12015-12-17  Peter Collingbourne  <pcc@google.com>
2
3	PR gold/18780
4	* arm.cc (Target_arm::do_make_data_plt): Choose PLT generator based
5	on value of --long-plt flag.
6	(Output_data_plt_arm_standard::do_get_plt_entry_size): Moved to
7	Output_data_plt_arm_short.
8	(Output_data_plt_arm_standard::do_fill_plt_entry): Likewise.
9	(Output_data_plt_arm_standard::plt_entry): Likewise.
10	(Output_data_plt_arm_standard::do_fill_first_plt_entry): Fix
11	variable reference.
12	(Output_data_plt_arm_short): New class.
13	(Output_data_plt_arm_short::do_fill_plt_entry): Error out on too large
14	PLT offsets instead of asserting.
15	(Output_data_plt_arm_long): New class.
16	* options.h (General_options): Define --long-plt flag.
17
182015-12-16  Roland McGrath  <mcgrathr@google.com>
19
20	PR ld/17473
21	* binary.cc: Move #include "safe-ctype.h" to be last #include.
22
232015-12-13  Cary Coutant  <ccoutant@gmail.com>
24
25	* object.h (Object::get_output_view): remove const from return type.
26	(Object::do_get_output_view): Likewise.
27	(Sized_relobj_file::do_get_output_view): Likewise.
28	* reloc.cc (Sized_relobj_file::do_get_output_view): Likewise.
29
302015-12-11  Cary Coutant  <ccoutant@gmail.com>
31
32	* target.h (Target::calls_non_split): Add prelocs, reloc_count
33	parameters.
34	(Target::do_calls_non_split): Likewise.
35	* target.cc (Target::do_calls_non_split): Likewise.
36	* reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Adjust
37	call to Target::calls_non_split.
38	* i386.cc (Target_i386::do_calls_non_split): Add prelocs, reloc_count
39	parameters.
40	* powerpc.cc (Target_powerpc::do_calls_non_split): Likewise.
41	* x86_64.cc (Target_x86_64::do_calls_non_split): Likewise.
42
432015-12-11  Cary Coutant  <ccoutant@gmail.com>
44
45	* object.cc (Sized_relobj_file::Sized_relobj_file): Initialize
46	output_views_.
47	* object.h (Object::get_output_view): New function.
48	(Object::do_get_output_view): New function.
49	(Sized_relobj_file::do_get_output_view): New function.
50	(Sized_relobj_file::output_views_): New data member.
51	* reloc.cc: (Sized_relobj_file::do_relocate): Store pointer to
52	output views in class object.
53	(Sized_relobj_file::do_get_output_view): New function.
54
552015-12-10  H.J. Lu  <hongjiu.lu@intel.com>
56
57	PR ld/19317
58	* symtab.cc (Symbol_table::add_from_relobj): Don't complain
59	plugin needed to handle slim lto object for relocatable link.
60
612015-12-09  Alan Modra  <amodra@gmail.com>
62
63	* powerpc.cc (Target_powerpc::Relocate::relocate): New constant
64	d_offset.  Use throughout.
65	(Target_powerpc::relocate_relocs): Likewise.
66
672015-12-09  Alan Modra  <amodra@gmail.com>
68
69	* powerpc.cc (Target_powerpc::Relocate::relocate): Edit ELFv2
70	entry code.
71	(Target_powerpc::relocate_relocs): Edit relocs to suit.
72
732015-12-09  Alan Modra  <amodra@gmail.com>
74
75	* object.h (struct Relocate_info): Add "rr".
76	* reloc.h (Relocatable_relocs::set_strategy): New accessor.
77	* reloc.cc (Sized_relobj_file::do_relocate_sections): Init
78	relinfo.rr for relocate_section and relocate_relocs.
79	* powerpc.cc (relocate): Add rel_type and preloc parameters.
80	Delete rela and r_type params, instead recalculate these from
81	preloc.
82	(relocate_relocs): Delete Relocatable_relocs* param, instead
83	use relinfo->rr.
84	* aarch64.cc: Likewise.
85	* arm.cc: Likewise.
86	* i386.cc: Likewise.
87	* mips.cc: Likewise.
88	* s390.cc: Likewise.
89	* sparc.cc: Likewise.
90	* target.h: Likewise.
91	* tilegx.cc: Likewise.
92	* x86_64.cc: Likewise.
93	* testsuite/testfile.cc: Likewise.
94	* target-reloc.h (relocate_section): Adjust to suit.
95	(apply_relocation, relocate_relocs): Likewise.
96
972015-12-07  Alan Modra  <amodra@gmail.com>
98
99	* powerpc.cc (add_2_2_12, ld_2_12, lis_2): Define.
100	(Target_powerpc::Scan::local, global): Handle R_PPC64_ENTRY.
101	(Target_powerpc::Relocate::relocate): Edit code at R_PPC64_ENTRY.
102
1032015-12-03  Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
104
105	* object.cc (Sized_relobj::do_for_all_local_got_entries): Use
106	Local_got_entry_key for searching in local_got_offsets_.
107	* object.h (class Local_got_entry_key): New class.
108	(Relobj::local_has_got_offset): New overloaded method.
109	(Relobj::local_got_offset): Likewise.
110	(Relobj::set_local_got_offset): Likewise.
111	(Relobj::do_local_has_got_offset): Add addend argument.
112	(Relobj::do_local_got_offset): Likewise.
113	(Relobj::do_set_local_got_offset): Likewise.
114	(Sized_relobj::do_local_has_got_offset): Add addend argument, and use
115	Local_got_entry_key for searching through local_got_offsets_.
116	(Sized_relobj::do_local_got_offset): Likewise.
117	(Sized_relobj::do_set_local_got_offset): Likewise.
118	(Sized_relobj::Local_got_offsets): Change type of the key from
119	unsigned int to Local_got_entry_key, and add hash and equal_to.
120	* output.cc (Got_entry::write): Take addend into account for
121	calculating value of the local symbol for GOT.
122	(Output_data_got::add_local): New definition of overloaded method.
123	(Output_data_got::add_local_with_rel): Likewise.
124	(Output_data_got::add_local_pair_with_rel): Likewise.
125	* output.h (Output_data_got::add_local): New declaration of overloaded
126	method.
127
1282015-11-25  Cary Coutant  <ccoutant@gmail.com>
129
130	PR gold/19291
131	* object.cc (Sized_relobj_file::write_local_symbols): If relocatable,
132	subtract section address from symbol value.
133
1342015-11-25  Alan Modra  <amodra@gmail.com>
135
136	* powerpc.cc (Output_data_got_powerpc::Output_data_got_powerpc): Align
137	to 256 byte boundary.
138
1392015-11-19  Alan Modra  <amodra@gmail.com>
140
141	* powerpc.cc (Target_powerpc::Scan::get_reference_flags): Correct
142	GOT16 and TOC16 relocs to RELATIVE_REF.
143
1442015-11-14  Cary Coutant  <ccoutant@gmail.com>
145
146	PR gold/19244
147	PR gold/18548
148	* symtab.cc (Symbol_table::do_define_in_output_data): Check for forced
149	local symbols only for predefined symbols.
150
1512015-11-11  Alan Modra  <amodra@gmail.com>
152	    Peter Bergner <bergner@vnet.ibm.com>
153
154	* powerpc.cc (Powerpc_relocate_functions::addr16_dq): New function.
155	(Powerpc_relocate_functions::addr16dx_ha): Likewise.
156	(Target_powerpc::Scan::local): Handle R_POWERPC_REL16DX_HA.
157	(Target_powerpc::Scan::global): Likewise.
158	(Target_powerpc::Relocate::relocate): Likewise.
159
1602015-11-09  Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
161
162	* layout.h (Layout::is_debug_info_section): Recognize .pdr debug
163	sections.
164
1652015-11-09  Cary Coutant  <ccoutant@gmail.com>
166	    Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
167
168	* copy-relocs.h (Copy_relocs::copy_reloc): Replace reloc parameter
169	with type, offset, addend.
170	(Copy_relocs::save): Likewise.
171	* copy-relocs.cc (Copy_relocs::copy_reloc): Likewise.
172	(Copy_relocs::save): Likewise.
173	* aarch64.cc (Target_aarch64::copy_reloc): Pass r_type, r_offset,
174	and r_addend to Copy_relocs::copy_reloc.
175	* arm.cc (Target_arm::copy_reloc): Likewise.
176	* i386.cc (Target_i386::copy_reloc): Likewise.
177	* mips.cc (Target_mips::copy_reloc): Likewise.
178	* powerpc.cc (Target_powerpc::copy_reloc): Likewise.
179	* s390.cc (Target_s390::copy_reloc): Likewise.
180	* sparc.cc (Target_sparc::copy_reloc): Likewise.
181	* tilegx.cc (Target_tilegx::copy_reloc): Likewise.
182	* x86_64.cc (Target_x86_64::copy_reloc): Likewise.
183
1842015-11-05  Cary Coutant  <ccoutant@gmail.com>
185
186	PR gold/19119
187	PR gold/19172
188	PR gold/19197
189	Revert commit 6457197210144f50a696097c0d308d81d46d5510:
190	2015-10-16  H.J. Lu  <hongjiu.lu@intel.com>
191		* options.h (General_options): Remove "obsolete" from -m.
192		* parameters.cc (set_parameters_target): Check if input target
193		is compatible with output emulation set by "-m emulation".
194
1952015-11-05  Cary Coutant  <ccoutant@gmail.com>
196
197	PR gold/19163
198	* aarch64.cc (Target_aarch64::Relocate::relocate): Don't apply
199	certain relocations if --no-apply-dynamic-relocs is set.
200	* options.h (--apply-dynamic-relocs): New aarch64-specific option.
201
2022015-11-03  Alan Modra  <amodra@gmail.com>
203
204	* po/POTFILES.in: Regenerate.
205
2062015-10-30  Nick Clifton  <nickc@redhat.com>
207
208	* po/zh_CN.po: New (simplified) Chinese translation.
209
2102015-10-29  H.J. Lu  <hongjiu.lu@intel.com>
211
212	PR gold/19184
213	* incremental.cc (Got_plt_view_info): Add got_entry_size.
214	(Local_got_offset_visitor::visit): Replace got_entry_size_
215	with info_.got_entry_size.
216	(Local_got_offset_visitor::got_entry_size_): Removed.
217	(Global_got_offset_visitor::visit): Replace got_entry_size_
218	with info_.got_entry_size.
219	(Global_got_offset_visitor::got_entry_size_): Removed.
220	(Output_section_incremental_inputs::write_got_plt): Initialize
221	view_info.got_entry_size.
222	* target.h (Sized_target::got_entry_size): New virtual function.
223	* x86_64.cc (Target_x86_64::got_entry_size): New function.
224
2252015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
226
227	* testsuite/binary_test.cc: Add __attribute__((aligned(1))).
228	* testsuite/script_test_12a.c: Likewise.
229	* testsuite/script_test_1a.cc: Likewise.
230	* testsuite/script_test_2.cc: Likewise.
231
2322015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
233
234	* testsuite/debug_msg.sh: Accept more fuzz in line numbers.
235
2362015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
237
238	PR gold/18959
239	* stringpool.cc (Stringpool_template::new_key_offset): Align all
240	strings, even zero-length.
241	(Stringpool_template::set_string_offsets): Likewise.
242
2432015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
244
245	* s390.cc: New file.
246	* Makefile.am (TARGETSOURCES): Add s390.cc.
247	(ALL_TARGETOBJS): Add s390.o.
248	* Makefile.in: Regenerate.
249	* configure.ac: Add s390 support.
250	* configure: Regenerate.
251	* configure.tgt: Add s390-*-* and s390x-*-*.
252	* testsuite/icf_safe_test.sh (arch_specific_safe_fold): Add s390
253	support.
254
2552015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
256
257	* archive.cc (Archive::sym64name): New const.
258	(Archive::setup): Add support for SYM64 armap.
259	(Archive::read_armap): Likewise.
260	(Archive::interpret_header): Likewise.
261	(Archive::const_iterator::read_next_header): Likewise.
262	* archive.h (Archive::sym64name): New const.
263	(Archive::read_armap): Add mapsize template parameter.
264
2652015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
266
267	* dynobj.cc (Dynobj::create_elf_hash_table): Create hash table with
268	target-specific entry size.
269	(Dynobj::sized_create_elf_hash_table): Add size template parameter.
270	* dynobj.h (Dynobj::sized_create_elf_hash_table): Likewise.
271	* layout.cc (Layout::create_dynamic_symtab): Set entsize to
272	hash_entry_size.
273	* target.h (Target::hash_entry_size): New method.
274	(Target::Target_info::hash_entry_size): New data member.
275
276	* aarch64.cc (Target_aarch64::aarch64_info): Add hash_entry_size.
277	* arm.cc (Target_arm::arm_info): Likewise.
278	(Target_arm_nacl::arm_nacl_info): Likewise.
279	* i386.cc (Target_i386::i386_info): Likewise.
280	(Target_i386_nacl::i386_nacl_info): Likewise.
281	(Target_iamcu::iamcu_info): Likewise.
282	* mips.cc (Target_mips::mips_info): Likewise.
283	(Target_mips_nacl::mips_nacl_info): Likewise.
284	* powerpc.cc (Target_powerpc::powerpc_info): Likewise.
285	* sparc.cc (Target_sparc::sparc_info): Likewise.
286	* tilegx.cc (Target_tilegx::tilegx_info): Likewise.
287	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
288	(Target_x86_64_nacl::x86_64_nacl_info): Likewise.
289	* testsuite/testfile.cc (Target_test::test_target_info): Likewise.
290
2912015-10-28  H.J. Lu  <hongjiu.lu@intel.com>
292
293	PR gold/19177
294	* i386.cc (Target_i386::Relocate::relocate): Check R_386_GOT32
295	and R_386_GOT32X relocations without base register.
296
2972015-10.27  Han Shen  <shenhan@google.com>
298
299	PR gold/19042 - unsupported reloc 311/312.
300
301	* aarch64.cc (Target_aarch64::Scan::local): Add support for
302	reloc 311/312.
303
3042015-10-22  H.J. Lu  <hongjiu.lu@intel.com>
305
306	* x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags):
307	Treat R_X86_64_GOTPCRELX and R_X86_64_REX_GOTPCRELX the same
308	as R_X86_64_GOTPCREL.
309	(Target_x86_64<size>::Scan::local): Likewise.
310	(Target_x86_64<size>::Scan::possible_function_pointer_reloc):
311	Likewise.
312	(Target_x86_64<size>::Scan::global): Likewise.
313	(Target_x86_64<size>::Relocate::relocate): Likewise.
314	(Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc):
315	Likewise.
316
3172015-10-22  H.J. Lu  <hongjiu.lu@intel.com>
318
319	* i386.cc (Target_i386::Scan::get_reference_flags(): Treat
320	R_386_GOT32X the same as R_386_GOT32.
321	(Target_i386::Scan::local): Likewise.
322	(Target_i386::Scan::possible_function_pointer_reloc): Likewise.
323	(Target_i386::Scan::global): Likewise.
324	(Target_i386::Relocate::relocate): Likewise.
325	(Target_i386::Relocatable_size_for_reloc::get_size_for_reloc):
326	Likewise.
327
3282015-10-20  H.J. Lu  <hongjiu.lu@intel.com>
329
330	* testsuite/Makefile.am (x86_64_mov_to_lea11): Replace
331	x86_64_mov_to_lea1.o with x86_64_mov_to_lea2.o.
332	(x86_64_mov_to_lea12): Replace x86_64_mov_to_lea2.o with
333	x86_64_mov_to_lea1.o.
334	* testsuite/Makefile.in: Regenerated.
335
3362015-10-16  H.J. Lu  <hongjiu.lu@intel.com>
337
338	PR gold/19119
339	* options.h (General_options): Remove "obsolete" from -m.
340	* parameters.cc (set_parameters_target): Check if input target
341	is compatible with output emulation set by "-m emulation".
342
3432015-10-13  H.J. Lu  <hongjiu.lu@intel.com>
344
345	PR gold/19118
346	* i386.cc (Target_iamcu): New class.
347	(Target_selector_iamcu): Likewise.
348	(Target_iamcu::iamcu_info): New variable.
349	(target_selector_iamcu): Likewise.
350
3512015-10-07  Andreas Schwab  <schwab@suse.de>
352
353	* aarch64.cc (aarch64_info): Set abi_pagesize to 64K.
354
3552015-10-06  Cary Coutant  <ccoutant@gmail.com>
356
357	PR gold/18855
358	* sparc.cc (Sparc_relocate_functions::gdop_hix22): Remove addend
359	parameter.
360	(Sparc_relocate_functions::gdop_lox10): Likewise.
361	(Target_sparc::Relocate::relocate): Use addend when computing
362	symbol value for R_SPARC_GOTDATA_OP*.
363
3642015-09-07  Cary Coutant  <ccoutant@gmail.com>
365
366	PR gold/18930
367	PR gold/18886
368	* resolve.cc (Symbol::override_base): Don't convert IFUNC symbols here.
369	* symtab.cc (Symbol_table::add_from_dynobj): Convert them here instead.
370
3712015-09-02  H.J. Lu  <hongjiu.lu@intel.com>
372
373	PR gold/18886
374	* resolve.cc (Symbol::override_base): Turn IFUNC symbols from
375	shared libraries into normal FUNC symbols.
376	* symtab.cc (Symbol_table::sized_write_symbol): Assert IFUNC
377	symbols aren't from shared libraries.
378
3792015-09-02  Alan Modra  <amodra@gmail.com>
380
381	PR 18878
382	* powerpc.cc (Target_powerpc): Add savres_section_ and accessor.
383	(Target_powerpc::Branch_info::make_stub): Determine whether long
384	branch stub is for save/restore function.
385	(Branch_stub_ent): Add save_res_, and extra parm to constructor.
386	(Stub_table): Add need_save_res_.
387	(Stub_table:clear_stubs): Clear need_save_res_.
388	(Stub_table:set_address_and_size): Add save/restore section size.
389	(Stub_table::add_long_branch_entry): Add save_res param.  Set
390	need_save_res_, but don't add space for save/restore stubs.
391	(Stub_table::find_long_branch_entry): Return offset to local copy
392	of save/restore func.
393	(Stub_table::do_write): Don't output save/restore stubs.  Instead
394	copy the save/restore functions.
395	(Output_data_save_res:contents): New accessor.
396	(Target_powerpc::define_save_restore_funcs): Set savres_section_.
397
3982015-08-25  Cary Coutant  <ccoutant@gmail.com>
399
400	PR gold/18847
401	* script-sections.cc (Memory_region::set_address): New method.
402	(Script_sections::find_memory_region): Add explicit_only parameter.
403	(Output_section_definition::set_section_addresses): Handle case where
404	script specifies both address and vma region.
405	* script-sections.h (Script_sections::find_memory_region): Add
406	explicit_only parameter.
407
4082015-08-25  Cary Coutant  <ccoutant@gmail.com>
409
410	PR gold/18859
411	* object.cc (Input_objects::add_object): Store objects in a map,
412	indexed by soname; update as-needed flag when necessary.
413	* object.h (Object::clear_as_needed): New method.
414	(Input_objects::so_names_): Change from set to map.
415
4162015-08-25  Cary Coutant  <ccoutant@gmail.com>
417
418	PR gold/14746
419	* expression.cc (Expression::Expression_eval_info): Add
420	is_valid_pointer field.
421	(Expression::eval_maybe_dot): Add is_valid_pointer parameter.
422	Adjust all callers.
423	(Addr_expression::value_from_output_section): Check whether address
424	is valid.
425	* script.cc (Symbol_assignment::set_if_absolute): Defer assignment
426	if evaluation failed due to address that is not yet valid.
427	* script.h: (Expression::eval_maybe_dot): Add is_valid_pointer
428	parameter.
429
4302015-08-25  Cary Coutant  <ccoutant@gmail.com>
431
432	PR gold/18866
433	PR gold/18703
434	* symtab.cc (Symbol_table): Reorder conditions to avoid internal error.
435
4362015-08-20  Alan Modra  <amodra@gmail.com>
437
438	PR gold/18846
439	* target-reloc.h (relocate_relocs <RELOC_ADJUST_FOR_SECTION_RELA>):
440	Subtract os->address() from addend.
441	* powerpc.cc (relocate_relocs): Likewise.
442
4432015-08-12  Simon Dardis  <simon.dardis@imgtec.com>
444
445	* mips.cc (plt0_entry_o32, plt0_entry_n32, plt0_entry_n64,
446	lazy_stub_normal_1, lazy_stub_normal_1_n64,
447	lazy_stub_normal_2, lazy_stub_normal_2_n64, lazy_stub_big,
448	lazy_stub_big_n64, lazy_stub_micromips32_normal_1_n64,
449	lazy_stub_micromips32_normal_2_n64, lazy_stub_micromips32_big,
450	lazy_stub_micromips32_big_n64): Update to use 'or' for move instead
451	of 'addu/daddu'.
452
4532015-07-27  H.J. Lu  <hongjiu.lu@intel.com>
454
455	* configure: Regenerated.
456
4572015-07-26  Doug Kwan  <dougkwan@google.com>
458
459	* testsuite/arm_unaligned_reloc.{s,sh}: Make test less sensitive to
460	disassembler output format.
461
4622015-07-23  Ian Coolidge  <icoolidge@google.com>
463	Plumb --pic-veneer option for gold.
464
465	* arm.cc (Reloc_stub::stub_type_for_reloc): Plumb to stub
466	generation.
467	* options.h (General_options): Add --pic-veneer option.
468
4692015-07-22  H.J. Lu  <hongjiu.lu@intel.com>
470
471	PR gold/18663
472	* testsuite/Makefile.am (script_test_1_SOURCES): Set to
473	script_test_1a.cc script_test_1b.cc.
474	(script_test_11_r.o): Replace script_test_11.o with
475	script_test_11a.o script_test_11b.o.
476	(script_test_11.o): Removed.
477	(script_test_11a.o): New.
478	(script_test_11b.o): Likewise.
479	* testsuite/Makefile.in: Regenerated.
480	* testsuite/script_test_1.h: New file.
481	* testsuite/script_test_1b.cc: Likewise.
482	* testsuite/script_test_11.h: Likewise.
483	* testsuite/script_test_11b.c: Likewise.
484	* testsuite/script_test_1.cc: Renamed to ...
485	* testsuite/script_test_1a.cc: This.
486	Include "script_test_1.h".
487	(main): Call check_int and check_ptr.
488	* testsuite/script_test_11.c: Renamed to ...
489	* testsuite/script_test_11a.c: This.
490	Include "script_test_11.h".
491	(main): Call ptr_equal.
492
4932015-07-22  H.J. Lu  <hongjiu.lu@intel.com>
494
495	PR gold/18628
496	* testsuite/ifuncdep2.c (global): Change protected to hidden.
497	* testsuite/ifuncmod1.c (global): Likewise.
498	* testsuite/ifuncmod5.c (global): Likewise.
499
5002015-07-22  Alan Modra  <amodra@gmail.com>
501
502	* aarch64.cc (try_fix_erratum_843419_optimized): Warning fix.
503
5042015-07-21  Cary Coutant  <ccoutant@gmail.com>
505
506	PR gold/18548
507	* symtab.cc (Symbol_table::do_define_in_output_data): Check for
508	forced local symbol even when oldsym != NULL.
509	(Symbol_table::do_define_in_output_segment): Likewise.
510	(Symbol_table::do_define_as_constant): Likewise.
511
5122015-07-21  Cary Coutant  <ccoutant@gmail.com>
513
514	PR gold/18698
515	* archive.cc (Library_base::should_include_member): Don't use entry
516	point for relocatable links, or if target is not yet valid.
517	* parameters.cc (Parameters::entry): Check target_valid().
518
5192015-07-20  Han Shen  <shenhan@google.com>
520
521	Optimize erratum 843419 fix.
522
523	* aarch64.cc (AArch64_insn_utilities::is_adr): New method.
524	(AArch64_insn_utilities::aarch64_adr_encode_imm): New method.
525	(AArch64_insn_utilities::aarch64_adrp_decode_imm): New method.
526	(E843419_stub): New sub-class of Erratum_stub.
527	(AArch64_relobj::try_fix_erratum_843419_optimized): New method.
528	(AArch64_relobj::section_needs_reloc_stub_scanning): Try optimized fix.
529	(AArch64_relobj::create_erratum_stub): Add 1 argument.
530	(Target_aarch64::scan_erratum_843419_span): Pass in adrp insn offset.
531
5322015-07-20  Han Shen  <shenhan@google.com>
533
534	Fix arm elf header flags wrt hardfp bit.
535
536	* arm.cc (Target_arm::do_adjust_elf_header): Set flags into view.
537
5382015-07-20  H.J. Lu  <hongjiu.lu@intel.com>
539
540	PR gold/18689
541	* layout.cc (Layout::layout): Clear the SHF_COMPRESSED flag bit
542	from input group section for relocatable link.
543	* testsuite/Makefile.am (check_SCRIPTS): Add pr18689.sh.
544	(check_DATA): Add pr18689.stdout.
545	(MOSTLYCLEANFILES): Add pr18689a.o pr18689b.o.
546	(pr18689.stdout): New rule.
547	(pr18689a.o): Likewise.
548	(pr18689b.o): Likewise.
549	(pr18689.o): Likewise.
550	* testsuite/pr18689.c: New file.
551	* testsuite/pr18689.sh: Likewise.
552	* testsuite/Makefile.in: Regenerated.
553
5542015-07-20  Yiran Wang  <yiran@google.com>
555	Cary Coutant  <ccoutant@gmail.com>
556
557	PR gold/15574
558	* resolve.cc (Symbol_table): Remove warning about references
559	from shared objects to hidden symbols.
560	* testsuite/Makefile.am (hidden_test): Add hidden_test.syms.
561	* testsuite/Makefile.in: Regenerate.
562	* testsuite/hidden_test.sh: Check dynamic symbol table; update
563	expected error messages.
564
5652015-07-14  H.J. Lu  <hongjiu.lu@intel.com>
566
567	* compressed_output.cc (Output_compressed_section::set_final_data_size):
568	Make --compress-debug-sections=zlib the same as
569	--compress-debug-sections=zlib-gabi.
570	* testsuite/Makefile.am (flagstest_compress_debug_sections.check):
571	Expect ".debug_.*" with the SHF_COMPRESSED bit, instead of
572	".zdebug_".
573	* testsuite/Makefile.in: Regenerated.
574
5752015-07-12  H.J. Lu  <hongjiu.lu@intel.com>
576
577	PR gold/18322
578	* compressed_output.cc (zlib_compress): Add argument for
579	compression header size.  Set header size to compression header
580	size if it isn't 0.  Don't write out the zlib header here.
581	(Output_compressed_section::set_final_data_size): Support
582	zlib-gnu and zlib-gabi compressions.  Pass compression header
583	size to zlib_compress and write out compression header.  Set
584	the SHF_COMPRESSED bit for zlib-gabi compression.  Otherwise
585	clear the SHF_COMPRESSED bit
586	* options.h (compress_debug_sections): Add zlib-gnu and
587	zlib-gabi.
588	* output.h (Output_section::set_flags): New.
589	* testsuite/Makefile.am (check_PROGRAMS): Add
590	flagstest_compress_debug_sections_none,
591	flagstest_compress_debug_sections_gnu and
592	flagstest_compress_debug_sections_gabi.
593	(check_DATA): Add flagstest_compress_debug_sections_none.stdout.
594	flagstest_compress_debug_sections.stdout,
595	flagstest_compress_debug_sections.cmp,
596	flagstest_compress_debug_sections.check,
597	flagstest_compress_debug_sections_gnu.stdout,
598	flagstest_compress_debug_sections_gnu.cmp,
599	flagstest_compress_debug_sections_gnu.check,
600	flagstest_compress_debug_sections_gabi.stdout,
601	flagstest_compress_debug_sections_gabi.cmp and
602	flagstest_compress_debug_sections_gabi.check.
603	(flagstest_compress_debug_sections_none): New.
604	(flagstest_compress_debug_sections_none.stdout): Likewise.
605	(flagstest_compress_debug_sections.stdout): Likewise.
606	(flagstest_compress_debug_sections.check): Likewise.
607	(flagstest_compress_debug_sections.cmp): Likewise.
608	(flagstest_compress_debug_sections_gnu): Likewise.
609	(flagstest_compress_debug_sections_gnu.stdout): Likewise.
610	(flagstest_compress_debug_sections_gnu.check): Likewise.
611	(flagstest_compress_debug_sections_gnu.cmp): Likewise.
612	(flagstest_compress_debug_sections_gabi): Likewise.
613	(flagstest_compress_debug_sections_gabi.stdout): Likewise.
614	(flagstest_compress_debug_sections_gnu.check): Likewise.
615	(flagstest_compress_debug_sections_gnu.cmp): Likewise.
616	* testsuite/Makefile.in: Regenerated.
617
6182015-07-12  H.J. Lu  <hongjiu.lu@intel.com>
619
620	PR gold/18321
621	* compressed_output.h (decompress_input_section): Add arguments
622	for ELF class, big endian and sh_flags.
623	* compressed_output.cc (decompress_input_section): Likewise.
624	Support the SHF_COMPRESSED section.
625	* dynobj.h (Dynobj): Add elfsize and is_big_endian member
626	functions.
627	* plugin.h (Pluginobj): Likewise.
628	* layout.cc (Layout::get_output_section_flags): Also clear the
629	SHF_COMPRESSED bit.
630	* object.h (Compressed_section_info): Add flag to store sh_flags.
631	(Object): Add pure virtual elfsize and is_big_endian member
632	functions.
633	* object.cc (need_decompressed_section): Don't skip the ".zdebug"
634	prefix here.
635	(build_compressed_section_map): Check SHF_COMPRESSED for
636	uncompressed size.  Store sh_flags in Compressed_section_info.
637	Pass size, big_endian and sh_flags to decompress_input_section.
638	Skip the ".debug"/".zdebug" prefix when passing section name to
639	need_decompressed_section.
640	(Sized_relobj_file<size, big_endian>::do_find_special_section):
641	Don't check ".zdebug_*" sections.
642	(Object::decompressed_section_contents): Pass ELF class, big
643	endian and sh_flags to decompress_input_section.
644	* reloc.cc (Sized_relobj_file<size, big_endian>::write_sections):
645	Likewise.
646	* testsuite/Makefile.am (check_DATA): Add
647	debug_msg_cdebug_gabi.err and gdb_index_test_2_gabi.stdout.
648	(MOSTLYCLEANFILES): Add debug_msg_cdebug_gabi.err and
649	gdb_index_test_2_gabi.stdout.
650	(debug_msg_cdebug_gabi.o): New.
651	(odr_violation1_cdebug_gabi.o): Likewise.
652	(odr_violation2_cdebug_gabi.o): Likewise.
653	(debug_msg_cdebug_gabi.err): Likewise.
654	(check_SCRIPTS): Add gdb_index_test_2_gabi.sh.
655	(gdb_index_test_cdebug_gabi.o): Likewise.
656	(gdb_index_test_2_gabi): Likewise.
657	(gdb_index_test_2_gabi.stdout): Likewise.
658	* testsuite/gdb_index_test_2_gabi.sh: New file.
659	* testsuite/Makefile.in: Regenerated.
660
6612015-07-09  Han Shen  <shenhan@google.com>
662
663	Use "gold_info" instead of "gold_warning" for erratum fix.
664
665	* aarch64.cc (Target_aarch64::scan_erratum_843419_span): Use
666	'gold_info'.
667	(Target_aarch64::scan_erratum_835769_span): USe 'gold_info'.
668
6692015-07-09  Han Shen  <shenhan@google.com>
670
671	Drop missing symbol warning for arm/aarch64.
672
673	* aarch64.cc (AArch64_relobj::scan_errata): Drop missing symbol warning.
674	* arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Drop missing
675	symbol warning.
676
6772015-07-07  Han Shen  <shenhan@google.com>
678
679	Make gold aarch64 accept long form of mapping symbols.
680
681	* aarch64.cc (AArch64_relobj::do_count_local_symbols): Make legal
682	of mapping symbols.
683
6842015-06-29  Doug Kwan  <dougkwan@google.com>
685
686	* testsuite/arm_bl_out_of_range.s: Align stub table so that it appears
687	at address expected by test.
688	* testsuite/arm_cortex_a8_b.s: Ditto.
689	* testsuite/arm_cortex_a8_b_cond.s: Ditto.
690	* testsuite/arm_cortex_a8_bl.s: Ditto.
691	* testsuite/arm_cortex_a8_blx.s: Ditto.
692	* testsuite/arm_cortex_a8_local.s: Ditto.
693	* testsuite/arm_fix_v4bx.s: Ditto.
694	* testsuite/arm_unaligned_reloc.s: Ditto.
695	* testsuite/thumb_bl_out_of_range.s: Ditto.
696	* testsuite/thumb_bl_out_of_range_local.s: Ditto.
697	* testsuite/thumb_blx_out_of_range.s: Ditto.
698
6992015-06-29  Han Shen  <shenhan@google.com>
700
701	Patch for erratum 843419 internal error.
702
703	* aarch64.cc (Erratum_stub::Insn_utilities): New typedef.
704	(Erratum_stub::update_erratum_insn): New method.
705	(Stub_table::relocate_stubs): Modified to place relocated insn.
706	(AArch64_relobj::fix_errata): Modified gold_assert.
707
7082015-06-12  Han Shen  <shenhan@google.com>
709
710	Fix erratum 835769.
711
712	* aarch64.cc (AArch64_insn_utilities::BYTES_PER_INSN): Move
713	defintion outside class definition.
714	(AArch64_insn_utilities::AARCH64_ZR): New static constant.
715	(AArch64_insn_utilities::aarch64_op31): New member.
716	(AArch64_insn_utilities::aarch64_ra): New member.
717	(AArch64_insn_utilities::aarch64_mac): New member.
718	(AArch64_insn_utilities::aarch64_mlxl): New member.
719	(ST_E_835769): New global enum member.
720	(Stub_table::relocate_stubs): Add 835769 handler.
721	(Stub_template_repertoire::Stub_template_repertoire): Install new
722	stub type.
723	(AArch64_relobj::scan_errata): This func is renamed from
724	scan_erratum_843419.
725	(AArch64_relobj::do_count_local_symbols): Add 835769 handler.
726	(AArch64_relobj::do_relocate_sections): Add 835769 handler.
727	(AArch64_relobj::scan_sections_for_stubs): Add 835769 handler.
728	(Target_aarch64::scan_erratum_835769_span): New method.
729	(Target_aarch64::create_erratum_stub): New method.
730	(Target_aarch64::is_erratum_835769_sequence): New method.
731	(Target_aarch64::scan_erratum_843419_sequence): Move part of the
732	code into create_erratum_stub.
733	* options.h (fix_cortex_a53_835769): New option.
734
7352015-06-11  Cary Coutant  <ccoutant@gmail.com>
736
737	* aarch64.cc (Erratum_stub::STUB_ADDR_ALIGN): Move initialization
738	outside class body.
739	(Reloc_stub::STUB_ADDR_ALIGN): Likewise.
740
7412015-06-11  Cary Coutant  <ccoutant@gmail.com>
742
743	PR gold/17731
744	* layout.cc (corresponding_uncompressed_section_name): New function.
745	(Layout::choose_output_section): Call it.
746	* layout.h (corresponding_uncompressed_section_name): New function.
747	* script-sections.cc (Input_section_info::set_section_name): Check
748	for compressed debug section (.zdebug style).
749
7502015-06-11  Jing Yu  <jingyu@google.com>
751
752	* testsuite/Makefile.am: Add -O0 for script_test_12 test.
753	* testsuite/Makefile.in: Regenerate.
754
7552015-06-11  Davide Italiano  <dccitaliano@gmail.com>
756
757	* gold.h (is_cident): Correct typo.
758
7592015-06-10  Han Shen  <shenhan@google.com>
760	Patch for erratum-843419 (2 of 2 - fix erratum occurrences).
761
762	Now fixing for 843419 is fully functional.
763
764	The first part of the erratum fix CL is here -
765	https://sourceware.org/ml/binutils/2015-04/msg00229.html
766
767	* aarch64.cc(global enum): New constants representing stub types.
768	(Stub_template): New POD struct.
769	(Stub_template_repertoire): New class.
770	(Stub_base): New class.
771	(Erratum_stub): New class.
772	(Reloc_stub): Refactored to be a subclass of Stub_base.
773	(Reloc_stub::Stub_type): Removed.
774	(Reloc_stub::offset): Moved to Stub_base.
775	(Reloc_stub::set_offset): Moved to Stub_base.
776	(Reloc_stub::destination_address): Moved to Stub_base.
777	(Reloc_stub::set_destination_address): Moved to Stub_base.
778	(Reloc_stub::reset_destination_address): Moved to Stub_base.
779	(Reloc_stub::stub_type): Renamed and moved to Stub_base.
780	(Reloc_stub::stub_size): Renamed and moved to Stub_base.
781	(Reloc_stub::stub_insns): Renamed and moved to Stub_base.
782	(Reloc_stub::write): Moved to Stub_base.
783	(Reloc_stub::invalid_offset): Moved to Stub_base.
784	(Reloc_stub::invalid_address): Moved to Stub_base.
785	(Reloc_stub::stub_type_): Renamed and moved to Stub_base.
786	(Reloc_stub::stub_insns_): Moved to Stub_base.
787	(Reloc_stub::offset_): Moved to Stub_base.
788	(Reloc_stub::destination_address_): Moved to Stub_base.
789	(Stub_table::The_aarch64_relobj): New typedef.
790	(Stub_table::The_erratum_stub): New typedef.
791	(Stub_table::The_erratum_stub_less): New typedef.
792	(Stub_table::The_erratum_stub_set): New typedef.
793	(Stub_table::The_erratum_stub_set_iter): New typedef.
794	(Stub_table::empty): Added emptiness testing for erratum stubs.
795	(Stub_table::add_erratum_stub): New method to add an erratum stub.
796	(Stub_table::find_erratum_stub): New method.
797	(Stub_table::find_erratum_stubs_for_input_section): New method.
798	(Stub_table::erratum_stub_address): New method.
799	(Stub_table::update_date_size_changed_p): Modified to handle erratum stubs.
800	(Stub_table::do_addralign): Modified to handle erratum stubs.
801	(Stub_table::erratum_stubs_): New member.
802	(Stub_table::erratum_stub_size_): New member.
803	(Stub_table::relocate_stubs): Modified to handle erratum stubs.
804	(Stub_table::do_write): Modified to handle erratum stubs.
805	(AArch64_relobj::The_erratum_stub): New typedef.
806	(AArch64_relobj::Erratum_stub_set_iter): New typedef.
807	(AArch64_relobj::fix_errata): New method.
808	(Target_aarch64::The_reloc_stub_type): Removed.
809	(Target_aarch64::The_erratum_stub): New typede.
810	(AArch64_relocate_functions::construct_b): New method.
811
8122015-06-08  Nick Clifton  <nickc@redhat.com>
813
814	* po/fr.po: New French Translation.
815
8162015-06-07  Cary Coutant  <ccoutant@gmail.com>
817
818	PR gold/18288
819	* resolve.cc (symbol_to_bits): Remove type parameter; adjust all
820	callers. Don't use STT_COMMON to check for common symbols.
821	(Symbol_table::resolve): Warn if relocatable object has STT_COMMON
822	symbol that's not in a common section.
823	* symtab.h (Symbol::is_common): Don't use STT_COMMON to check for
824	common symbols.
825
8262015-06-04  Cary Coutant  <ccoutant@gmail.com>
827
828	PR gold/18200
829	* Makefile.am (diststuff): Add target.
830	* Makefile.in: Regenerate.
831
8322015-06-04  Cary Coutant  <ccoutant@gmail.com>
833
834	PR gold/17498
835	* object.cc (Sized_relobj_file::do_count_local_symbols): Discard
836	temporary locals in merge sections.
837	* options.cc (General_options::parse_discard_all): New method.
838	(General_options::parse_discard_locals): New method.
839	(General_options::parse_discard_none): New method.
840	(General_options::General_options): Initialize discard_locals_.
841	* options.h (--discard-all): Convert to special option.
842	(--discard-locals): Likewise.
843	(--discard-none): New option.
844	(General_options::discard_all): New method.
845	(General_options::discard_locals): New method.
846	(General_options::discard_sec_merge): New method.
847	(General_options::Discard_locals): New enum.
848	(General_options::discard_locals_): New data member.
849
8502015-06-03  Cary Coutant  <cary@google.com>
851
852	* script-sections.cc (Script_sections::Script_sections): Initialize
853	segments_created_.
854	(Script_sections::create_note_and_tls_segments): Set flag when
855	segments are created.
856	(Script_sections::expected_segment_count): Count PT_INTERP.
857	(Script_sections::attach_sections_using_phdrs_clause): Set flag when
858	segments are created.
859	* script-sections.h (Script_sections::segments_created_): New data
860	member.
861
8622015-06-03  Cary Coutant  <ccoutant@gmail.com>
863
864	PR gold/15370
865	* script-sections.cc
866	(Output_section_element_input::set_section_addresses): When there
867	are several patterns with no sort spec, put all sections in the same
868	bin.
869	* testsuite/Makefile.am (script_test_12): New testcase.
870	(script_test_12i): New testcase.
871	* testsuite/Makefile.in: Regenerate.
872	* testsuite/script_test_12.t: New test linker script.
873	* testsuite/script_test_12i.t: New test linker script.
874	* testsuite/script_test_12a.c: New test source file.
875	* testsuite/script_test_12b.c: New test source file.
876
8772015-06-02  Cary Coutant  <ccoutant@gmail.com>
878
879	* nacl.h (Sniff_file): Switch parameters to get_view to get an
880	aligned view.
881
8822015-06-03  Cary Coutant  <ccoutant@gmail.com>
883
884	PR gold/17819
885	* gold.cc (queue_final_tasks): When --build-id=tree, queue a
886	separate task to schedule the build id computation.
887	* layout.cc (Hash_task::Hash_task): Remove build_id_blocker,
888	add Output_file and offset.
889	(Hash_task::run): Get and release the input views.
890	(Hash_task::is_runnable): Always return NULL (always runnable).
891	(Layout::queue_build_id_tasks): Remove.
892	(Layout::write_build_id): Add array_of_hashes and size_of_hashes
893	parameters; use them instead of class members.
894	(Build_id_task_runner::run): New function.
895	(Close_task_runner::run): Pass array_of_hashes and size_of_hashes
896	to write_build_id.
897	* layout.h (Layout::queue_build_id_tasks): Remove.
898	(Layout::write_build_id): Add array_of_hashes and size_of_hashes
899	parameters.
900	(Layout::array_of_hashes_): Remove.
901	(Layout::size_of_array_of_hashes_): Remove.
902	(Layout::input_view_): Remove.
903	(Build_id_task_runner): New class.
904	(Close_task_runner::Close_task_runner): Add array_of_hashes and
905	size_of_hashes parameters.
906	(Close_task_runner::array_of_hashes_): New data member.
907	(Close_task_runner::size_of_hashes_): New data member.
908	* testsuite/Makefile.am
909	(flagstest_compress_debug_sections_and_build_id_tree): New test.
910	* testsuite/Makefile.in: Regenerate.
911
9122015-06-01  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
913
914	* merge.cc (get_input_merge_map): Update for data structure change.
915	(get_or_make_input_merge_map): Update for data structure change.
916	* merge.h (Object_merge_map): Use a std::vector<std::pair>> instead of
917	a std::map. Remove first_shnum_, first_map_, second_shnum_, second_map_.
918
9192015-05-16  Alan Modra  <amodra@gmail.com>
920
921	* reloc.cc (Sized_relobj_file::find_functions): Use function_location.
922	* powerpc.cc (Target_powerpc::do_calls_non_split): New function.
923	(addi_12_1, addis_2_12, addis_12_1, cmpld_7_12_0): New constants.
924	(lis_0): Rename from lis_0_0.
925
9262015-04-29  Cary Coutant  <cary@google.com>
927	    Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
928
929	* gc.h (Garbage_collection::is_section_garbage): Change Object*
930	to Relobj*.
931	(Garbage_collection::add_reference): Likewise.
932	(Garbage_collection::gc_process_relocs): Likewise. Don't push
933	object/shndx pair onto *secvec for dynamic objects. Don't follow
934	relocations pointing to dynamic objects for GC.
935	* icf.cc (Icf::find_identical_sections): Change Object* to Relobj*.
936	(Icf::unfold_section): Likewise.
937	(Icf::is_section_folded): Likewise.
938	(Icf::get_folded_section): Likewise.
939	* icf.h: (Icf::get_folded_section): Likewise.
940	(Icf::unfold_section): Likewise.
941	(Icf::is_section_folded): Likewise.
942	(Icf::section_has_function_pointers): Likewise.
943	(Icf::set_section_has_function_pointers): Likewise.
944	* object.h (Section_id): Likewise.
945	(Const_section_id): Likewise.
946	* output.cc (Output_section::update_section_layout): Likewise.
947	* output.h: (Output_section_lookup_maps::find_relaxed_input_section):
948	Likewise.
949	* plugin.cc (update_section_order): Likewise.
950	(unique_segment_for_sections): Likewise.
951	* powerpc.cc (Powerpc_relobj::add_reference): Likewise.
952	(Target_powerpc::do_gc_add_reference): Likewise.
953	(Target_powerpc::gc_process_relocs): Likewise.
954	(Target_powerpc::do_gc_add_reference): Likewise.
955	* symtab.cc (Symbol_table::is_section_folded): Likewise.
956	(Symbol_table::gc_mark_symbol): Likewise.
957	* symtab.h: (Symbol_table::is_section_folded): Likewise.
958	* target.h: (Sized_target::gc_add_reference): Likewise.
959	(Sized_target::do_gc_add_reference): Likewise.
960
9612015-04-29  Nick Clifton  <nickc@redhat.com>
962
963	* po/fi.po: Updated Finnish translation.
964
9652015-04-28  Alan Modra  <amodra@gmail.com>
966
967	* powerpc.cc (Target_powerpc::do_dynsym_value): Use Address rather
968	than unsigned int for find_global_entry result temp.  Compare
969	against invalid_address.
970	(Target_powerpc::do_plt_address_for_global): Likewise.
971	(Target_powerpc::Relocate::relocate): Likewise.  Don't assert
972	on plt call stub existence for debug info.  Do assert for plt
973	and global entry stub existence if an alloc section.
974
9752015-04-28  Alan Modra  <amodra@gmail.com>
976
977	* powerpc.cc (Target_powerpc::Relocate::relocate): Don't assert
978	on missing global entry stub due to bogus debug info.
979
9802015-04-27  Han Shen  <shenhan@google.com>
981
982	* options.h (--fix-cortex-a53-843419): Rename option.
983	* aarch64.cc (AArch64_relobj::do_count_local_symbols): Use renamed
984	option.
985	(AArch64_relobj::scan_sections_for_stubs): Use renamed option.
986
9872015-04-27  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
988
989	PR gold/18327
990	* output.cc (Output_section::is_input_address_mapped): Assume a missing
991	entry is mapped.
992	* testsuite/Makefile.am: Add the eh_test test.
993	* testsuite/Makefile.in: Regenerate.
994	* testsuite/eh_test_a.cc: New test.
995	* testsuite/eh_test_b.cc: New test.
996
9972015-04-23  Sriraman Tallam  <tmsriram@google.com>
998
999	* options.h (--weak-unresolved-symbols): New option.
1000	* symtab.cc (Symbol_table::sized_write_globals): Change symbol
1001	binding to weak with new option.
1002	* symtab.h (is_weak_undefined): Check for new option.
1003	(is_strong_undefined): Check for new option.
1004	* testsuite/Makefile.am (weak_unresolved_symbols_test): New test.
1005	* testsuite/Makefile.in: Regenerate.
1006	* testsuite/weak_unresolved_symbols_test.cc: New file.
1007
10082015-04-20  Ian Coolidge  <icoolidge@google.com>
1009
1010	* symtab.cc (Symbol::should_add_dynsym_entry): Return true for
1011	GNU_UNIQUE.
1012
10132015-04-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1014
1015	* gc.cc (Garbage_collection::do_transitive_closure): Use back and
1016	push_back.
1017	* gc.h (Garbage_collection): Use a std::vector instead of a std::queue.
1018	* object.cc (Sized_relobj_file::do_layout): Use push_back.
1019	* powerpc.cc (process_gc_mark): Use push_back.
1020	(Target_powerpc::do_gc_mark_symbol): Use push_back.
1021	* symtab.cc (Symbol_table::gc_mark_symbol): Use push_back.
1022
10232015-04-16  Han Shen  <shenhan@google.com>
1024
1025	* aarch64.cc (AArch64_insn_utilities): New utility class.
1026	(AArch64_relobj::Mapping_symbol_position): New struct.
1027	(AArch64_relobj::Mapping_symbol_info): New typedef.
1028	(AArch64_relobj::do_count_local_symbols): New function overriding
1029	parent's implementation.
1030	(AArch64_relobj::mapping_symbol_info_): New member
1031	(AArch64_relobj::scan_erratum_843419): New method.
1032	(Target_aarch64::scan_erratum_843419_span): New method.
1033	(Target_aarch64::is_erratum_843419_sequence): New method.
1034	* options.h (fix_cortex_a53): New option.
1035
10362015-04-09  Cary Coutant  <ccoutant@google.com>
1037
1038	* symtab.cc (Symbol::final_value_is_known): Check for TLS symbol
1039	in a PIE link.
1040	* testsuite/Makefile.am (tls_pie_test.sh): New test.
1041	* testsuite/Makefile.in: Regenerate.
1042	* testsuite/tls_pie_test.sh: New.
1043
10442015-04-09  Cary Coutant  <ccoutant@google.com>
1045
1046	* debug.h (DEBUG_LOCATION): New.
1047	(DEBUG_ALL): Include DEBUG_LOCATION.
1048	(debug_string_to_enum): Add DEBUG_LOCATION.
1049	* dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Fix debug
1050	output to print correct context.
1051	(Sized_dwarf_line_info::do_addr2line): Add debug output. Return
1052	up to 4 more locations at the beginning of the function.
1053	* symtab.cc (Symbol_table::detect_odr_violations): Get canonical
1054	result before sorting list of line numbers.
1055	* testsuite/debug_msg.sh: Allow range of line numbers for
1056	canonical results on optimized code.
1057
10582015-04-07  HC Yen <hc.yen@mediatek.com>
1059
1060	Add AArch32 support for gold linker.
1061	* arm.cc: Add V8 arch combine table.
1062
10632015-04-06  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1064
1065	* aarch64.cc (do_reloc_addend): Fix signature to match the parent one.
1066
10672015-04-06  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1068
1069	* gc.cc (Garbage_collection::do_transitive_closure): Avoid a call
1070	to find by using the return value of insert.
1071
10722015-04-06  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1073
1074	* gc.cc (Garbage_collection::do_transitive_closure): Avoid a copy
1075	constructor call.
1076
10772015-04-06  Ilya Tocar  <ilya.tocar@intel.com>
1078
1079	PR gold/17641
1080	* x86_64.cc (Target_x86_64::can_convert_mov_to_lea): New.
1081	(Target_x86_64::Scan::local): Don't create GOT entry, when we
1082	can convert mov to lea.
1083	(Target_x86_64::Scan::global): Ditto.
1084	(Target_x86_64::Relocate::relocate): Convert mov foo@GOTPCREL(%rip),
1085	%reg to lea foo(%rip), %reg if possible.
1086	* testsuite/Makefile.am (x86_64_mov_to_lea): New test.
1087	* testsuite/x86_64_mov_to_lea1.s: New.
1088	* testsuite/x86_64_mov_to_lea2.s: Ditto.
1089	* testsuite/x86_64_mov_to_lea3.s: Ditto.
1090	* testsuite/x86_64_mov_to_lea4.s: Ditto.
1091	* testsuite/x86_64_mov_to_lea.sh: Ditto.
1092
10932015-04-02  H.J. Lu  <hongjiu.lu@intel.com>
1094
1095	* configure: Regenerated.
1096
10972015-04-01  Ilya Tocar  <ilya.tocar@intel.com>
1098
1099	PR gold/17640
1100	* i386.cc (Target_i386::can_convert_mov_to_lea): New.
1101	(Target_i386::Scan::local): Don't create GOT entry, when we
1102	can convert GOT to GOTOFF.
1103	(Target_i386::Scan::global): Ditto.
1104	(Target_i386::Relocate::relocate): Convert  mov foo@GOT(%reg), %reg to
1105	lea foo@GOTOFF(%reg), %reg if possible.
1106	* testsuite/Makefile.am (i386_mov_to_lea): New test.
1107	* testsuite/i386_mov_to_lea1.s: New.
1108	* testsuite/i386_mov_to_lea2.s: Ditto.
1109	* testsuite/i386_mov_to_lea3.s: Ditto.
1110	* testsuite/i386_mov_to_lea4.s: Ditto.
1111	* testsuite/i386_mov_to_lea5.s: Ditto.
1112	* testsuite/i386_mov_to_lea.sh: Ditto.
1113
11142015-04-01  H.J. Lu  <hongjiu.lu@intel.com>
1115
1116	* Makefile.am (ZLIB): New.
1117	(ZLIBINC): Likewise.
1118	(AM_CFLAGS): Add $(ZLIBINC).
1119	(AM_CXXFLAGS): Likewise.
1120	(ldadd_varldadd_var): Add $(ZLIB).
1121	(incremental_dump_LDADD): Likewise.
1122	(dwp_LDADD): Likewise.
1123	* compressed_output.cc: Don't check HAVE_ZLIB_H to include
1124	<zlib.h>.
1125	(zlib_compress): Don't check HAVE_ZLIB_H.
1126	(zlib_decompress): Likewise.
1127	* options.h (compress_debug_sections): Likewise.
1128	* configure.ac (AM_CONDITIONAL): Removed.
1129	* testsuite/Makefile.am (ZLIB): New.
1130	(LDADD): Add $(ZLIB).
1131	Don't check HAVE_ZLIB.
1132	* Makefile.in: Regenerated.
1133	* config.in: Likewise.
1134	* configure: Likewise.
1135	* testsuite/Makefile.in: Likewise.
1136
11372015-03-30  Jing Yu  <jingyu@google.com>
1138
1139	* aarch64-reloc.def: New TLSLD_ADD_DTPREL_HI12,
1140	TLSLD_ADD_DTPREL_LO12_NC.
1141	* aarch64.cc (Target_aarch64::define_tls_base_symbol): Always let
1142	_TLS_MODULE_BASE_ point to the start of tls segment.
1143	(Target_aarch64::optimize_tls_reloc): Add cases for
1144	R_AARCH64_TLSLD_ADD_DTPREL_HI12 and
1145	R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC.
1146	(Target_aarch64::Scan::local): Likewise.
1147	(Target_aarch64::Scan::global): Likewise.
1148	(Target_aarch64::Relocate::relocate): Likewise.
1149	(Target_aarch64::Relocate::relocate_tls): Likewise. And remove
1150	subtracting tls segment size from symbol value for TLSLD_*_DTPREL
1151	relocations.
1152
11532015-03-27  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1154
1155	* merge.cc (Object_merge_map::add_mapping): call
1156	Object_merge_map::Input_merge_map::add_mapping.
1157	(Object_merge_map::Input_merge_map::add_mapping): New.
1158	(Output_merge_data::do_add_input_section): Call
1159	get_or_make_input_merge_map before a loop.
1160	(Output_merge_string<Char_type>::finalize_merged_data): Call
1161	get_or_make_input_merge_map before a loop.
1162	* merge.h (Object_merge_map): Make Input_merge_map public.
1163	* object.cc (Relobj::add_merge_mapping): Use get_or_create_merge_map.
1164	(Relobj::get_or_create_merge_map): New.
1165	* object.h (Relobj::get_or_create_merge_map): New.
1166
11672015-03-24  Alan Modra  <amodra@gmail.com>
1168
1169	PR 18147
1170	* powerpc.cc (Target_powerpc::Relocate::relocate): Don't report
1171	relocation errors for branches to strong undefined symbols.
1172
11732015-03-23  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1174
1175	* merge.cc (Object_merge_map::get_input_merge_map): Make it const.
1176	(Object_merge_map::is_merge_section_for): Remove.
1177	(Object_merge_map::find_merge_section): New.
1178	* merge.h (Object_merge_map::is_merge_section_for): Remove.
1179	(Object_merge_map::find_merge_section): New.
1180	(Object_merge_map::get_input_merge_map): Add a const version.
1181	* object.cc (Relobj::is_merge_section_for): Remove.
1182	(Relobj::find_merge_section): New.
1183	* object.h (Relobj::is_merge_section_for): Remove.
1184	(Relobj::find_merge_section): New.
1185	* output.cc
1186	(Output_section::Input_section::is_merge_section_for): Remove.
1187	(Output_section::add_merge_input_section): Don't call
1188	add_merge_input_section.
1189	(Output_section::find_merge_section): Return const. Use
1190	object->find_merge_section.
1191	(Output_section::build_lookup_maps): Don't build a map for
1192	merge sections.
1193	(Output_section::is_input_address_mapped): Return false if
1194	section is not found.
1195	(Output_section::find_starting_output_address): Use
1196	find_merge_section instead of is_merge_section_for.
1197	(Output_section::add_script_input_section):  Don't build a map for
1198	merge sections.
1199	* output.h (Output_section_lookup_maps::merge_sections_by_id_): Remove.
1200	(Output_section_lookup_maps::find_merge_section): Remove.
1201	(Output_section_lookup_maps::add_merge_input_section) Remove.
1202	(Output_section::find_merge_section): Return const.
1203
12042015-03-22  Cary Coutant  <cary@google.com>
1205
1206	PR gold/18106
1207	* i386.cc (Target_i386::Relocate::tls_gd_to_ie): Fix support for
1208	non-SIB form of lea, with nop after the call.
1209
12102015-03-21  Cary Coutant  <cary@google.com>
1211
1212	PR gold/14217
1213	* output.cc (Output_segment::is_first_section_relro): Don't ignore
1214	.tdata section.
1215	(Output_segment::set_section_addresses): Don't align size of relro
1216	segment for .tbss.
1217
12182015-03-21  Cary Coutant  <cary@google.com>
1219
1220	PR gold/18010
1221	* stringpool.cc (Stringpool_template): Don't optimize if section
1222	alignment is greater than sizeof(char).
1223
12242015-03-21  Cary Coutant  <cary@google.com>
1225
1226	PR gold/18048
1227	* script-c.h (script_include_directive): Add first_token parameter.
1228	* script.cc (script_include_directive): Add first_token parameter, and
1229	pass it to read_script_file.
1230	* yyscript.y (PARSING_SECTIONS_BLOCK, PARSING_SECTION_CMDS)
1231	(PARSING_MEMORY_DEF): New tokens.
1232	(top): Add new productions for INCLUDE files.
1233	(file_cmd): Replace file_or_sections_cmd with copy of its productions.
1234	Pass PARSING_LINKER_SCRIPT to script_include_directive.
1235	(section_block_cmd): Likewise; pass PARSING_SECTIONS_BLOCK.
1236	(section_cmd): Pass PARSING_SECTION_CMDS.
1237	(file_or_sections_cmd): Remove.
1238	(memory_def): Pass PARSING_MEMORY_DEF.
1239	* testsuite/Makefile.am (memory_test_2): New test.
1240	* testsuite/Makefile.in: Regenerate.
1241	* testsuite/memory_test_inc.t: New script file.
1242	* testsuite/memory_test_inc_1.t.src: New script file.
1243	* testsuite/memory_test_inc_2.t.src: New script file.
1244	* testsuite/memory_test_inc_3.t.src: New script file.
1245
12462015-03-21  Cary Coutant  <cary@google.com>
1247
1248	* dwp.cc (Sized_relobj_dwo::do_section_contents): Delete.
1249	(Sized_relobj_dwo::setup): Build compressed section map.
1250	(Sized_relobj_dwo::do_decompressed_section_contents): Delete.
1251	* dynobj.cc (Sized_dynobj::base_read_symbols): Build compressed
1252	section map.
1253	* object.cc (Sized_relobj_file::Sized_relobj_file): Remove
1254	compressed_sections_ field.
1255	(build_compressed_section_map): Take Object instead of
1256	Sized_relobj_file parameter; add decompress_if_needed parameter.
1257	(Sized_relobj_file::do_find_special_sections): Store compressed
1258	section map in parent Object.
1259	(Sized_relobj_file::do_decompressed_section_contents): Move
1260	implementation to Object::decompressed_section_contents.
1261	(Sized_relobj_file::do_discard_decompressed_sections): Move
1262	implementation to Object::discard_decompressed_sections.
1263	* object.h (build_compressed_section_map): Declare.
1264	(Object::Object): Add compressed_sections_ field.
1265	(Object::section_is_compressed): Move implementation here.
1266	(Object::decompressed_section_contents): De-virtualize.
1267	(Object::discard_decompressed_sections): De-virtualize.
1268	(Object::do_section_is_compressed): Delete.
1269	(Object::do_decompressed_section_contents): Delete.
1270	(Object::set_compressed_sections): New method.
1271	(Object::compressed_sections): New method.
1272	(Object::compressed_sections_): New data member.
1273	(Compressed_section_info, Compressed_section_map): Move to top of file.
1274	(Sized_relobj_file::do_section_is_compressed): Delete.
1275	(Sized_relobj_file::do_decompressed_section_contents): Delete.
1276	(Sized_relobj_file::do_discard_decompressed_sections): Delete.
1277	(Sized_relobj_file::compressed_sections_): Move to Object class.
1278
12792015-03-21  Cary Coutant  <ccoutant@google.com>
1280
1281	PR gold/18152
1282	* gold.cc (queue_middle_tasks): Finalize .eh_frame after laying out
1283	deferred objects.
1284
12852015-03-11  Cary Coutant  <ccoutant@google.com>
1286
1287	* options.cc (General_options::finalize): Don't allow -z relro
1288	with incremental linking.
1289	* testsuite/Makefile.am (incremental_test): Add -z norelro.
1290	(incremental_test_2): Likewise.
1291	(incremental_test_3): Likewise.
1292	(incremental_test_4): Likewise.
1293	(incremental_test_5): Likewise.
1294	(incremental_test_6): Likewise.
1295	(incremental_copy_test): Likewise.
1296	(incremental_common_test_1): Likewise.
1297	(incremental_comdat_test_1): Likewise.
1298	* testsuite/Makefile.in: Regenerate.
1299
13002015-03-09  Cary Coutant  <ccoutant@google.com>
1301
1302	PR gold/14675
1303	* ehframe.cc (Eh_frame::add_ehframe_input_section): Change return type;
1304	return enum indicating whether .eh_frame section is empty, optimizable,
1305	unrecognized, or an end marker. Adjust explicit instantiations.
1306	* ehframe.h (Eh_frame::Eh_frame_section_disposition): New enum type.
1307	(Eh_frame::add_ehframe_input_section): Change return type.
1308	* gold.cc (queue_middle_tasks): Call Layout::finalize_eh_frame_section.
1309	* layout.cc (Layout::layout_eh_frame): Don't add optimized sections
1310	to the .eh_frame output section until we see the end marker.
1311	(Layout::finalize_eh_frame_section): New.
1312	* layout.h: (Layout::finalize_eh_frame_section): New.
1313
13142015-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1315
1316	* output.cc (Relobj::initialize_input_to_output_map<size>):
1317	Remove typename on elfcpp::Elf_types<size>::Elf_Addr.
1318
13192015-03-04  Cary Coutant  <ccoutant@google.com>
1320
1321	* parameters.cc (Parameters::set_target_once): Call
1322	Target::select_as_default_target just once from here...
1323	(set_parameters_target): ...instead of from here.
1324
13252015-03-04  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1326
1327	* ehframe.cc (Cie::set_output_offset): Pass in and use a
1328	Output_section_data instead of a Merge_map.
1329	(Eh_frame::Eh_frame): Don't initialize merge_map_.
1330	(Eh_frame::read_cie): Use add_merge_mapping instead of
1331	Merge_map::add_mapping.
1332	(Eh_frame::read_fde): Ditto.
1333	(Eh_frame::set_final_data_size): Use this instead of this->merge_map_.
1334	(Eh_frame::do_output_offset): Use merge_output_offset istead of
1335	merge_map_->get_output_offset.
1336	(Eh_frame::do_is_merge_section_for): Delete.
1337	* ehframe.h (Fde::add_mapping): Pass in and use a Output_section_data
1338	instead of a Merge_map.
1339	(Cie::set_output_offset): Pass in a Output_section_data instead of a
1340	Merge_map.
1341	(Eh_frame::do_is_merge_section_for): Delete.
1342	(Eh_frame::merge_map_): Delete.
1343	* merge.cc (Object_merge_map::get_or_make_input_merge_map): Pass in
1344	and use a Output_section_data instead of a Merge_map.
1345	(Object_merge_map::add_mapping): Ditto.
1346	(Object_merge_map::get_output_offset): Remove the merge_map argument.
1347	(Object_merge_map::is_merge_section_for): Pass in and use a
1348	Output_section_data instead of a Merge_map.
1349	(Merge_map): Delete.
1350	(Output_merge_base::do_output_offset): Use merge_output_offset instead
1351	of merge_map_.get_output_offset.
1352	(Output_merge_base::do_is_merge_section_for): Delete.
1353	(Output_merge_data::do_add_input_section): Use
1354	object->add_merge_mapping instead of add_mapping.
1355	(Output_merge_string<Char_type>::finalize_merged_data): Ditto.
1356	* merge.h (Merge_map): Delete forward declaration.
1357	(Object_merge_map::add_mapping): Pass in and use a Output_section_data
1358	instead of a Merge_map.
1359	(Object_merge_map::get_output_offset): Remove the merge_map argument.
1360	(Object_merge_map::is_merge_section_for): Pass in and use a
1361	Output_section_data instead of a Merge_map.
1362	(Input_merge_map::Object_merge_map::merge_map): Replace with
1363	output_data.
1364	(Object_merge_map::get_or_make_input_merge_map): Pass in and use a
1365	Output_section_data instead of a Merge_map.
1366	(Merge_map): Delete.
1367	(Output_merge_base::Output_merge_base): Don't initialize merge_map_.
1368	(Output_merge_base::do_is_merge_section_for): Delete.
1369	(Output_merge_base::add_mapping): Delete.
1370	(Output_merge_base::merge_map_): Delete.
1371	* object.cc (Relobj::initialize_input_to_output_map): New.
1372	(Relobj::initialize_input_to_output_map): New.
1373	(Relobj::merge_output_offset): New.
1374	(Relobj::is_merge_section_for): New.
1375	(Relobj::initialize_input_to_output_map): Instantiate for 32 and 64
1376	bits.
1377	* object.h (Relobj::merge_map): Delete.
1378	(initialize_input_to_output_map): New.
1379	(set_merge_map): Delete.
1380	(add_merge_mapping): New.
1381	(merge_output_offset): New.
1382	(is_merge_section_for): New.
1383	* output.cc (Output_section::Input_section::is_merge_section_for):
1384	Use object->is_merge_section_for.
1385	* output.h (Output_section_data::is_merge_section_for): Delete.
1386	(Output_section_data::do_is_merge_section_for): Delete.
1387	* reloc.cc (Merged_symbol_value<size>::initialize_input_to_output_map):
1388	Use object->initialize_input_to_output_map.
1389	(Merged_symbol_value<size>::value_from_output_section): Use
1390	object->merge_output_offset.
1391
13922015-03-02  Peter Collingbourne  <pcc@google.com>
1393	    Cary Coutant  <ccoutant@google.com>
1394
1395	* output.cc (Output_section::add_merge_input_section): Do not
1396	attempt to merge sections with an entsize of 0.
1397
13982015-03-02  Khem Raj  <raj.khem@gmail.com>
1399
1400	* attributes.h (class Output_attributes_section_data ): Add
1401	do_print_to_mapfile function.
1402
14032015-02-24  Alan Modra  <amodra@gmail.com>
1404
1405	PR 18010
1406	* powerpc.cc (Powerpc_relocate_functions::addr16_ds): Always
1407	complain if value is not a multiple of four.
1408	(Target_powerpc::Relocate::relocate): Correct handling of
1409	R_POWERPC_GOT_TPREL16 and R_POWERPC_GOT_TPREL16_LO for ppc64.
1410
14112015-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1412
1413	* configure.ac (default_size): Set to 32 for x32.
1414	* configure: Regenerated.
1415
14162015-02-18  Alan Modra  <amodra@gmail.com>
1417
1418	PR 17954
1419	* powerpc.cc (Global_symbol_visitor_opd::operator()): Set default
1420	visibility.
1421
14222015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1423
1424	* gc.h (Garbage_collection::add_reference): Don't use find.
1425
14262015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1427
1428	* object.cc (write_local_symbols): avoid std::vector copy.
1429
14302015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1431
1432	* merge.cc (get_output_offset): Use upper_bound instead of lower_bound.
1433
14342015-02-09  Mark Wielaard  <mjw@redhat.com>
1435
1436	* gdb-index.cc (Gdb_index_info_reader::visit_top_die): Recognize
1437	DW_LANG_Fortran03 and DW_LANG_Fortran08.
1438
14392015-02-16  Cary Coutant  <ccoutant@google.com>
1440
1441	PR gold/13577
1442	PR gold/16992
1443	* layout.cc (Layout::finish_dynamic_section): Don't set DT_SYMBOLIC or
1444	DF_SYMBOLIC if --dynamic-list option is used.
1445	* options.cc (General_options::finalize): --dynamic-list is not
1446	mutually exclusive with -Bsymbolic.
1447	* symtab.h (Symbol::is_preemptible): Don't exclude dynamic symbols not
1448	listed in --dynamic-list.
1449	* testsuite/Makefile.am (dynamic_list_lib2.so): Add
1450	-Bsymbolic-functions.
1451	* testsuite/Makefile.in: Regenerate.
1452
14532015-02-16  Cary Coutant  <ccoutant@google.com>
1454
1455	PR gold/17971
1456	* incremental.cc: Remove redundant include of "output.h".
1457
14582015-02-12  Jing Yu  <jingyu@google.com>
1459
1460	* aarch64-reloc.def (TLSLE_MOVW_TPREL_G2, TLSLE_MOVW_TPREL_G1,
1461	TLSLE_MOVW_TPREL_G1_NC, TLSLE_MOVW_TPREL_G0, TLSLE_MOVW_TPREL_G0_NC,):
1462	New relocation.
1463	* aarch64.cc (Target_aarch64::Scan::local): Add cases for new
1464	TLSLE_MOVW_* relocations.
1465	(Target_aarch64::Scan::global): Likewise.
1466	(Target_aarch64::Relocate::relocate): Likewise.
1467	(Target_aarch64::Relocate::relocate_tls): Add cases and handlings
1468	for new TLSLE_MOVW_* relocations.
1469
14702015-02-11  Will Newton  <will.newton@linaro.org>
1471
1472	PR gold/13321
1473	* arm.cc (Target_arm::make_plt_section): Create an ARM
1474	state mapping symbol at the start of the PLT.
1475
14762015-02-09  H.J. Lu  <hongjiu.lu@intel.com>
1477
1478	* testsuite/Makefile.am (two_file_shared_2_pic_1_test_DEPENDENCIES):
1479	Replace two_file_shared_2.so with two_file_shared_1.so.
1480	* testsuite/Makefile.in: Regenerated.
1481
14822015-02-09  Alan Modra  <amodra@gmail.com>
1483
1484	* testsuite/Makefile.am (MOSTLYCLEANFILES): Add libweak_undef_2.a,
1485	plugin_test_thin.a and defsym_test.
1486	* testsuite/Makefile.in: Regenerate.
1487
14882015-02-04  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1489
1490	* merge.cc (do_add_input_section): Combine loop epilogue into main loop
1491	body.
1492
14932015-02-04  Peter Collingbourne  <pcc@google.com>
1494
1495	* plugin.cc (Pluginobj::get_symbol_resolution_info): Resolve
1496	forwarding symbols when computing symbol resolution info for plugins.
1497	* plugin.h (Plugin_manager::symtab): New method.
1498	(Pluginobj::get_symbol_resolution_info): Add symtab parameter.
1499
15002015-02-03  Cary Coutant  <ccoutant@google.com>
1501	    Peter Collingbourne  <pcc@google.com>
1502
1503	PR gold/15660
1504	* archive.cc (Thin_archive_object_unlocker): New class.
1505	(Archive::include_member): Unlock external members of thin archives.
1506	* testsuite/Makefile.am (plugin_test_1): Rename .syms files.
1507	(plugin_test_2): Likewise.
1508	(plugin_test_3): Likewise.
1509	(plugin_test_4): Likewise.
1510	(plugin_test_5): Likewise.
1511	(plugin_test_6): Likewise.
1512	(plugin_test_7): Likewise.
1513	(plugin_test_8): Likewise.
1514	(plugin_test_9): Likewise.
1515	(plugin_test_10): Likewise.
1516	(plugin_test_11): New test case.
1517	* testsuite/Makefile.in: Regenerate.
1518	* testsuite/plugin_test.c (claim_file_hook): Check for parallel .syms
1519	file to decide whether to claim file.
1520	(all_symbols_read_hook): Likewise.
1521	* testsuite/plugin_test_1.sh: Adjust expected output.
1522	* testsuite/plugin_test_2.sh: Likewise.
1523	* testsuite/plugin_test_3.sh: Likewise.
1524	* testsuite/plugin_test_6.sh: Likewise.
1525	* testsuite/plugin_test_tls.sh: Likewise.
1526	* testsuite/plugin_test_11.sh: New testcase.
1527
15282015-02-03  Cary Coutant  <ccoutant@google.com>
1529
1530	* descriptors.cc (Descriptors::open): Set artificially-low limit for
1531	file descriptors when debugging enabled. Add debug output.
1532	(Descriptors::release): Add debug output.
1533	(Descriptors::close_some_descriptor): Likewise.
1534	(Descriptors::close_all): Likewise.
1535	* fileread.cc (File_read::lock): Likewise.
1536	(File_read::unlock): Likewise.
1537
15382015-02-02  Cary Coutant  <ccoutant@google.com>
1539
1540	* x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for
1541	executable output file.
1542
15432015-01-22  Han Shen  <shenhan@google.com>
1544
1545	* arm.cc (Target_arm::Target_arm): Add initialization for new members.
1546	(Target_arm::do_plt_address_for_global): New method.
1547	(Target_arm::do_plt_address_for_local): New method.
1548	(Target_arm::rel_irelative_section): New method.
1549	(Target_arm::make_data_plt): Add more parameters for plt ctor.
1550	(Target_arm::do_make_data_plt): Add more parameters for plt ctor.
1551	(Target_arm::Scan::symbol_needs_plt_entry): Add ifunc support.
1552	(Target_arm::Scan::reloc_needs_plt_for_ifunc): Add ifunc support.
1553	(Target_arm::Scan::check_non_pic): Add ifunc support.
1554	(Target_arm::Scan::local): Add ifunc support.
1555	(Target_arm::Scan::global): Add ifunc support.
1556	(Target_arm::make_plt_section): New method.
1557	(Target_arm::make_plt_entry): Change to call to make_plt_section.
1558	(Target_arm::make_local_ifunc_plt_entry): New method.
1559	(Target_arm::got_irelative_): New member.
1560	(Target_arm::rel_irelative_): New member.
1561	(Target_arm::got_section): Add creation for got_irelative_.
1562	(Target_arm::rel_dyn_section): Add creation for rel_irelative_.
1563	(Target_arm::Relocate::relocate): Properly set local ifunc address.
1564	(Target_arm::do_dynsym_value): Properly set global ifunc address.
1565	(Target_arm::scan_reloc_for_stub): Properly set global ifunc address.
1566	(Output_data_plt_arm::IRelative_data): New type.
1567	(Output_data_plt_arm::Output_data_plt_arm): Add more parameters.
1568	(Output_data_plt_arm::add_entry): Add more parameters.
1569	(Output_data_plt_arm::add_relocation): New method.
1570	(Output_data_plt_arm::add_local_ifunc_entry): New method.
1571	(Output_data_plt_arm::rel_irelative): New method.
1572	(Output_data_plt_arm::entry_count): Modified.
1573	(Output_data_plt_arm::address_for_global): New method.
1574	(Output_data_plt_arm::address_for_local): New method.
1575	(Output_data_plt_arm::set_final_data_size): Add irelative_count_.
1576	(Output_data_plt_arm::insert_irelative_data): New method.
1577	(Output_data_plt_arm::irelative_rel_): New member.
1578	(Output_data_plt_arm::got_): New member.
1579	(Output_data_plt_arm::got_irelative_): New member.
1580	(Output_data_plt_arm::irelative_count_): New member.
1581	(Output_data_plt_arm::IRelative_data_vec): New typedef.
1582	(Output_data_plt_arm::irelative_data_vec_): New member.
1583	(Output_data_plt_arm::do_write): Write out irelative entries.
1584	(Output_data_plt_arm_standard::Output_data_plt_arm_standard): Add
1585	more parameters to ctor.
1586	(Output_data_plt_arm_nacl::Output_data_plt_arm_nacl): Add
1587	more parameters to ctor.
1588	* output.h (Output_data_reloc::add_local_relative): New method.
1589	* aarch64.cc (Output_data_plt_aarch64): Fixed typo in comment.
1590
15912015-01-29  Alan Modra  <amodra@gmail.com>
1592
1593	* powerpc.cc (Target_powerpc::Relocate::relocate): Correct GOT_TLSLD
1594	and GOT_TLSGD to LE optimization.
1595
15962015-01-28  Cary Coutant  <ccoutant@google.com>
1597
1598	* x86_64.cc (Target_x86_64::Scan::global): Allow IE-to-LE optimization
1599	for undef TLS symbols.
1600	(Target_x86_64::Relocate::relocate_tls): Likewise.
1601	(Target_x86_64::Relocate::tls_ie_to_le): Likewise.
1602
16032015-01-25  Cary Coutant  <ccoutant@google.com>
1604
1605	* output.cc (Output_segment::set_section_addresses): Fix calculation
1606	of size of relro segment.
1607
16082015-01-22  Alan Modra  <amodra@gmail.com>
1609
1610	* powerpc.cc (Target_powerpc::Scan::local <got relocs>): Correct
1611	condition for need of ifunc plt entry.
1612	(Target_powerpc::Scan::global <got relocs>): Likewise.
1613
16142015-01-14  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1615
1616	* mips.cc (reloc_high): Add r_sym.
1617	(Mips_relocate_functions::relhi16): Add r_sym parameter. Pass r_sym to
1618	reloc_high constructor.
1619	(Mips_relocate_functions::relgot16_local): Likewise.
1620	(Mips_relocate_functions::rello16): Add r_sym parameter. Use r_sym and
1621	r_type to decide whether LO16 matches HI16.
1622	(Target_mips::Relocate::relocate): Pass r_sym to calls to relhi16,
1623	rello16 and relgot16_local.
1624
16252015-01-09  Cary Coutant  <ccoutant@google.com>
1626
1627	* layout.cc (Layout::set_segment_offsets): Don't align start of segment
1628	unless alignment is larger than page size.
1629
16302015-01-06  H.J. Lu  <hongjiu.lu@intel.com>
1631	    Cary Coutant  <ccoutant@google.com>
1632
1633	PR gold/17729
1634	* configure.ac (DEFAULT_TARGET_X86_64): Don't set for x32.
1635	(DEFAULT_TARGET_X32): Set for x32.
1636	* x86_64.cc (cmp_insn_32): New.
1637	(lea_r10_insn_32): Likewise.
1638	(lea_r11_insn_32): Likewise.
1639	(cmp_insn_64): Likewise.
1640	(lea_r10_insn_64): Likewise.
1641	(lea_r11_insn_64): Likewise.
1642	(Target_x86_64<size>::do_calls_non_split): Handle x32.
1643	* testsuite/Makefile.am (check_SCRIPTS): Add split_x32.sh.
1644	(check_DATA): Add split_x32 files.
1645	(split_x32_[1234n].o): New targets.
1646	(split_x32_[124]): New targets.
1647	(split_x32_[1234r].stdout): New targets.
1648	* testsuite/split_x32.sh: New file.
1649	* testsuite/split_x32_1.s: Likewise.
1650	* testsuite/split_x32_2.s: Likewise.
1651	* testsuite/split_x32_3.s: Likewise.
1652	* testsuite/split_x32_4.s: Likewise.
1653	* testsuite/split_x32_n.s: Likewise.
1654	* configure: Regenerated.
1655	* testsuite/Makefile.in: Likewise.
1656
16572015-01-06  H.J. Lu  <hongjiu.lu@intel.com>
1658
1659	PR gold/17809
1660	* x86_64.cc (Target_x86_64<size>::Relocate::tls_ie_to_le): Handle
1661	x32.
1662
16632015-01-02  Alan Modra  <amodra@gmail.com>
1664
1665	* version.cc (print_version): Just print current year.
1666	* dwp.cc (print_version): Likewise.
1667
16682015-01-01  Alan Modra  <amodra@gmail.com>
1669
1670	Update year range in copyright notice of all files.
1671
16722014-12-25  Alan Modra  <amodra@gmail.com>
1673
1674	* arm.cc (Target_arm::do_adjust_elf_header): Provide namespace on
1675	new enums.
1676	(Target_arm::merge_object_attributes, ): Likewise.
1677
16782014-12-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1679
1680	* arm.cc (Target_arm::do_adjust_elf_header): Set e_flags in ELF header
1681	as hard float only when Tag_ABI_VFP_args is 1, using new enum value
1682	AEABI_VFP_args_vfp to check that.
1683	(Target_arm::merge_object_attributes): Handle new Tag_ABI_VFP_args
1684	value and replace hardcoded values by enum values.
1685
16862014-12-22  Cary Coutant  <ccoutant@google.com>
1687
1688	* powerpc.cc (Target_powerpc::relocate): Fix overflow check.
1689
16902014-12-20  H.J. Lu  <hongjiu.lu@intel.com>
1691
1692	PR gold/14608
1693	* testsuite/debug_msg.cc (SometimesInlineFunction): Changed
1694	to "return i * i * 3;".
1695
16962014-12-16  Cary Coutant  <ccoutant@google.com>
1697
1698	* mapfile.cc (Mapfile::print_input_section): Print uncompressed sizes.
1699	(Mapfile::print_output_data): Use current_data_size() to avoid
1700	assert for sections requiring postprocessing; if address is not valid,
1701	print 0.
1702	(Mapfile::print_output_section): Use current_data_size(); print note
1703	that addresses and sizes are before compression.
1704
17052014-12-14  H.J. Lu  <hongjiu.lu@intel.com>
1706
1707	* aarch64.cc (AArch64_relocate_functions::maybe_apply_stub):
1708	Cast current_group_size to unsigned long when reporting error.
1709
17102014-12-10  Jing Yu  <jingyu@google.com>
1711
1712	* aarch64.cc (Target_aarch64): Add new variable stub_group_size_.
1713	(AArch64_relocate_functions::maybe_apply_stub): Add new parameter.
1714	Update error message.
1715	(Target_aarch64::do_relax): Use absolute value of option
1716	stub_group_size. Replace local variable with class member
1717	stub_group_size_.
1718
17192014-12-04  Alan Modra  <amodra@gmail.com>
1720
1721	* powerpc.cc (Target_powerpc::Branch_info::make_stub): Ignore
1722	addend of PLTREL24 reloc when not generating a plt stub.  Make
1723	max_branch_offset an "Address".
1724	(Stub_table::can_reach_stub): Make max_branch_offset an "Address".
1725	(Target_powerpc::Relocate::relocate): Likewise.
1726
17272014-12-04  Alan Modra  <amodra@gmail.com>
1728
1729	PR 17670
1730	* symtab.cc (Symbol::set_undefined): Remove assertion.
1731	* powerpc.cc (Target_powerpc::symval_for_branch): Don't assert
1732	on symbols defined in discarded sections, instead return false.
1733	Rearrange params, update all callers.
1734	(Target_powerpc::Branch_info::make_stub): Don't make stubs for
1735	branches to syms in discarded sections.
1736	(Global_symbol_visitor_opd::operator()): Set discarded opd syms
1737	undefined and flag as discarded.
1738	(Target_powerpc::Relocate::relocate): Localize variable.
1739
17402014-12-03  H.J. Lu  <hongjiu.lu@intel.com>
1741
1742	PR gold/17675
1743	* testsuite/Makefile.am (pie_copyrelocs_test_CXXFLAGS): New.
1744	* testsuite/Makefile.in: Regenerated.
1745
17462014-12-03  Alan Modra  <amodra@gmail.com>
1747
1748	PR 17566
1749	* powerpc.cc (Target_powerpc::Scan::local): Use add_local_section
1750	when adding dynamic relocations against section symbols.
1751
17522014-12-01  Dimitry Ivanov <dimitry@google.com>
1753
1754	* layout.cc (Layout::finish_dynamic_section): When '-z global'
1755	is specified set DF_1_GLOBAL in DT_FLAGS_1 flags.
1756	* options.h (General_options): New -z option (global).
1757
17582014-12-01  Cary Coutant  <ccoutant@google.com>
1759
1760	PR gold/17578
1761	* layout.cc (Layout::layout_gnu_stack): Don't warn when -z execstack
1762	is given.
1763	(Layout::create_executable_stack_info): Warn when -z noexecstack is
1764	given but some inputs require executable stack.
1765
17662014-11-26  Cary Coutant  <ccoutant@google.com>
1767
1768	* layout.cc (gdb_sections): Keep .debug_gdb_scripts and
1769	.debug_str_offsets; strip .debug_gnu_pubnames and
1770	.debug_gnu_pubtypes.
1771	(lines_only_debug_sections): Strip all four new sections.
1772
17732014-11-26  Jing Yu  <jingyu@google.com>
1774
1775	* aarch64.cc (Relocate::tls_desc_gd_to_ie): Set ldr target
1776	register to be x0 when to relax TLSDESC_LD64_LO12.
1777
17782014-11-26  Alan Modra  <amodra@gmail.com>
1779
1780	* powerpc.cc (struct Stub_table_owner): New.
1781	(Powerpc_relobj): Rename stub_table_ to stub_table_index_, an
1782	unsigned int vector.  Update all references.
1783	(powerpc_relobj::set_stub_table): Take an unsigned int param
1784	rather than a Stub_table.  Update callers.
1785	(Powerpc_relobj::clear_stub_table): New function.
1786	(Target_powerpc): Add relax_failed_, relax_fail_count_ and
1787	stub_group_size_ vars.
1788	(Target_powerpc::new_stub_table): Delete.
1789	(max_branch_delta): New function, extracted from..
1790	(Target_powerpc::Relocate::relocate): ..here..
1791	(Target_powerpc::Branch_info::make_stub): ..and here.  Return
1792	status on whether stub created successfully.
1793	(Stub_control::Stub_control): Add "no_size_errors" param.  Move
1794	default sizing to..
1795	(Target_powerpc::do_relax): ..here.  Init stub_group_size_ and
1796	reduce on relax failure.
1797	(Target_powerpc::group_sections): Add "no_size_errors" param.
1798	Use stub_group_size_.  Set up group info in a temp vector,
1799	before building Stub_table vector.  Account for input sections
1800	possibly already converted to relaxed sections.
1801	(Stub_table::init): Delete.  Merge into..
1802	(Stub_table::Stub_table): ..here.
1803	(Stub_table::can_reach_stub): New function.
1804	(Stub_table::add_plt_call_entry): Add "from" parameter and
1805	return true iff stub could be reached.
1806	(Stub_table::add_long_branch_entry): Similarly.  Add "r_type"
1807	param too.
1808	(Stub_table::clear_stubs): Add "all" param.
1809
18102014-11-26  Alan Modra  <amodra@gmail.com>
1811
1812	* powerpc.cc (Stub_control::set_output_and_owner): New function.
1813	(Target_powerpc::group_sections): Use it.
1814
18152014-11-25  Cary Coutant  <ccoutant@google.com>
1816
1817	* binary.cc (Binary_to_elf::sized_convert): Add size to _start symbol.
1818	(Binary_to_elf::write_symbol): Add st_size parameter.
1819	* binary.h (Binary_to_elf::write_symbol): Add st_size parameter.
1820
18212014-11-25  Cary Coutant  <ccoutant@google.com>
1822
1823	PR gold/17639
1824	* object.cc (Sized_relobj_file): Initialize is_deferred_layout_.
1825	(Sized_relobj_file::do_layout): Handle deferred sections properly
1826	during GC pass 1. Don't add reloc sections to deferred list twice.
1827	* object.h (Sized_relobj_file::is_deferred_layout): New function.
1828	(Sized_relobj_file::is_deferred_layout_): New data member.
1829
18302014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
1831
1832	PR gold/17619
1833	* x86_64.cc (Output_data_plt_x86_64_standard<size>::do_fill_plt_entry):
1834	Check PC-relative offset overflow in PLT entry.
1835
18362014-11-21  Alan Modra  <amodra@gmail.com>
1837
1838	* powerpc.cc (Target_powerpc::Relocate::relocate): Correct test
1839	for undefined weaks.
1840
18412014-11-20  Alan Modra  <amodra@gmail.com>
1842
1843	* powerpc.cc (Stub_control::Stub_control): Init stub14_group_size_
1844	from --stub-group-size parameter divided by 1024.
1845	(Powerpc_relocate_functions::rela, rela_ua): Add fieldsize
1846	template parameter.  Update all uses.
1847	(Target_powerpc::Relocate::relocate): Rename has_plt_value to
1848	has_stub_value.  Set for long branches.  Don't report overflow for
1849	branch to undefined weak symbols.  Print info message on
1850	overflowing branch to stub.
1851
18522014-11-20  Alan Modra  <amodra@gmail.com>
1853
1854	* powerpc.cc (Target_powerpc::do_relax): Add __go_go to thread_starters.
1855
18562014-11-13  H.J. Lu  <hongjiu.lu@intel.com>
1857
1858	* x86_64.cc (Target_x86_64<size>::Scan::global): Don't make PLT
1859	entry for R_X86_64_GOTPLT64.
1860	(Target_x86_64<size>::Relocate::relocate): Update comments for
1861	R_X86_64_GOTPLT64.
1862
18632014-11-06  Evgeniy Dushistov  <dushistov@mail.ru>
1864
1865	* plugin.cc: use lock to searialize calls of Plugin_manager::claim_file
1866	* plugin.h: add lock definition
1867
18682014-10-29  Han Shen  <shenhan@google.com>
1869	    Jing Yu   <jingyu@google.com>
1870
1871	* aarch64-reloc.def: Add LD_PREL_LO12, ADR_PREL_LO21,
1872	TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
1873	TLSLD_MOVW_DTPREL_G0_NC. Change property of TLS relocations to
1874	Symbol::TLS_REF.
1875	* aarch64.cc (Target_aarch64::do_can_check_for_function_pointers): New
1876	method.
1877	(Target_aarch64::reloc_needs_plt_for_ifunc): New method.
1878	(Target_aarch64::tls_ld_to_le): New method.
1879	(Target_aarch64::aarch64_info): Enable can_icf_inline_merge_sections
1880	for 64bit targets.
1881	(Output_data_plt_aarch64::irelative_rel_): New data member.
1882	(Output_data_plt_aarch64::add_entry): Add irelative entries to plt.
1883	(Output_data_plt_aarch64::add_local_ifunc_entry): New method.
1884	(Output_data_plt_aarch64::add_relocation): New method.
1885	(Output_data_plt_aarch64::do_write): Add gold_assert on got_irelative
1886	offset. Add got_irelative size to got size.
1887	(AArch64_relocate_functions): Typedef AArch64_valtype. Replace long
1888	type string with the new typename.
1889	(AArch64_relocate_functions::update_adr): Replace parameter x with
1890	immed.
1891	(AArch64_relocate_functions::update_movnz): Correct wrong val mask.
1892	(AArch64_relocate_functions::reloc_common): New method.
1893	(AArch64_relocate_funcsions::rela_general): Extract common part out
1894	into reloc_common method.
1895	(AArch64_relocate_functions::rela_general): Likewise.
1896	(AArch64_relocate_functions::pcrela_general): Likewise.
1897	(AArch64_relocate_functions::adr): New method.
1898	(AArch64_relocate_functions::adrp): Calculate immed before calling
1899	update_adr.
1900	(AArch64_relocate_functions::adrp): Likewise.
1901	(AArch64_relocate_functions::movnz): Cast x to SignedW type when
1902	comparing x to 0. Calculate immed from ~x when x < 0.
1903	(Target_aarch64::optimize_tls_reloc): Add new cases for
1904	TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
1905	TLSLD_MOVW_DTPREL_G0_NC.
1906	(Target_aarch64::possible_function_pointer_reloc): Implement this
1907	method.
1908	(Target_aarch64::Scan::local_reloc_may_be_function_pointer): Update
1909	comment.
1910	(Target_aarch64::Scan::local): Add codes to handle STT_GNU_IFUNC
1911	symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
1912	TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
1913	(Target_aarch64::Scan::global): Add codes to handle STT_GNU_IFUNC
1914	symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
1915	TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
1916	(Target_aarch64::make_plt_entry): Call add_entry with two more
1917	parameters.
1918	(Target_aarch64::make_local_ifunc_plt_entry): New method.
1919	(Target_aarch64::Relocate::relocate): Add cases for LD_PREL_LO19,
1920	ADR_PREL_LO21, TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
1921	TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
1922	(Target_aarch64::Relocate::relocate_tls): Add cases for
1923	TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
1924	TLSLD_MOVW_DTPREL_G0_NC.
1925	* testsuite/icf_safe_so_test.cc: Correct test comment.
1926	* testsuite/icf_safe_test.sh: Add AArch64 arch.
1927
19282014-10-22  Alan Modra  <amodra@gmail.com>
1929
1930	* powerpc.cc (do_relax): Add gcc-4.9 libgomp functions to
1931	thread_starter.
1932
19332014-10-18  Andreas Schwab  <schwab@linux-m68k.org>
1934
1935	* configure.tgt (targ_extra_obj) [aarch64*-*]: Define.
1936
19372014-10-17  Cary Coutant  <ccoutant@google.com>
1938
1939	* aarch64.cc (AArch64_relocate_functions::maybe_apply_stub):
1940	Add "typename" keyword.
1941
19422014-10-15  Han Shen  <shenhan@google.com>
1943	    Jing Yu   <jingyu@google.com>
1944
1945	Patch for gold aarch64 backend to support relaxation.
1946	* aarch64-reloc.def: Change format.
1947	* aarch64.cc (class Reloc_stub): New class.
1948	(class Stub_table): New class.
1949	(class AArch64_relobj): New class.
1950	(class AArch64_input_section): New class.
1951	(class AArch64_output_section): New class.
1952	(Target_aarch64::new_stub_table): New method.
1953	(Target_aarch64::new_aarch64_input_section): New method.
1954	(Target_aarch64::find_aarch64_input_section): New method.
1955	(Target_aarch64::scan_section_for_stubs): New method.
1956	(Target_aarch64::scan_reloc_section_for_stubs): New method.
1957	(Target_aarch64::relocate_stub): New method.
1958	(Target_aarch64::current_target): New method.
1959	(Target_aarch64::do_make_elf_object): New method.
1960	(Target_aarch64::do_may_relax): New method.
1961	(Target_aarch64::do_relax): New method.
1962	(Target_aarch64::group_sections): New method.
1963	(Target_aarch64::scan_reloc_for_stub): New method.
1964	(Target_aarch64::do_make_output_section): New method.
1965	(Target_aarch64::stub_tables_): New data member.
1966	(Target_aarch64::aarch64_input_section_map_): New data member.
1967	(AArch64_relocate_functions::maybe_apply_stub): New method.
1968
19692014-09-30  Cary Coutant  <ccoutant@google.com>
1970
1971	PR gold/17432
1972	* resolve.cc (Symbol_table::resolve): Fix local shadowing error.
1973
19742014-09-30  Kito Cheng  <kito@0xlab.org>
1975
1976	PR gold/13597
1977	* layout.cc (Layout::create_dynamic_symtab): Build gnu-style
1978	hash table before sysv-style hash table.
1979
19802014-09-29  Sriraman Tallam  <tmsriram@google.com>
1981
1982	* options.h (--pic-executable): Add negative to alias to -no-pie.
1983
19842014-09-26  Cary Coutant  <ccoutant@google.com>
1985
1986	PR gold/16773
1987	* object.cc (Sized_relobj_file): Compute value of section symbols
1988	for TLS sections the same as TLS symbols.
1989
19902014-09-25  Cary Coutant  <ccoutant@google.com>
1991
1992	PR gold/17432
1993	* resolve.cc (Symbol_table::resolve): Override common placeholder
1994	symbols, but adjust sizes.
1995	* symtab.cc (Symbol_table::add_from_object): Don't add placeholder
1996	symbols to common lists.
1997
19982014-09-24  Alan Modra  <amodra@gmail.com>
1999
2000	* po/POTFILES.in: Regenerate.
2001
20022014-09-23  Taiju Tsuiki  <tzik@google.com>
2003	    Cary Coutant  <ccoutant@google.com>
2004
2005	PR gold/14860
2006	* gold.cc (queue_final_tasks): Add Write_sections_task as a blocker
2007	on input_sections_blocker.
2008	* layout.cc (Write_sections_task::locks): Unblock
2009	input_sections_blocker_.
2010	* layout.h (Write_sections_task::Write_sections_task): Add
2011	input_sections_blocker.
2012	* testsuite/Makefile.am (exception_x86_64_bnd_test): Add gcctestdir/ld
2013	to DEPENDENCIES.
2014	* testsuite/Makefile.in: Regenerate.
2015
20162014-09-18  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2017
2018	* testsuite/Makefile.am (plugin_test_10): New test.
2019	* testsuite/Makefile.in: Regenerate
2020	* testsuite/plugin_common_test_2.c (c1): Align to 8.
2021	* testsuite/plugin_test_10.sh: New file.
2022
20232014-09-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2024
2025	* plugin.cc (Sized_pluginobj::do_add_symbols): Ignore isym->size.
2026	* resolve.cc (Symbol_table::resolve): Don't override common symbols
2027	during the replacement phase.
2028
20292014-09-17  Han Shen  <shenhan@google.com>
2030	    Jing Yu  <jingyu@google.com>
2031
2032	* aarch64-reloc.def: Add TLSGD_ADR_PAGE21, TLSGD_ADD_LO12_NC,
2033	TLSDESC_ADR_PAGE21, TLSDESC_LD64_LO12, TLSDESC_ADD_LO12, TLSDESC_CALL.
2034	* aarch64.cc (Target_aarch64): Add data members
2035	got_irelative_, got_tlsdesc_, rela_irelative_, got_mod_index_offset_,
2036	tlsdesc_reloc_info_, tls_base_symbol_defined_. Initialize them in
2037	constructor.
2038	(Target_aarch64::do_reloc_symbol_index): New method.
2039	(Target_aarch64::do_reloc_addend): New method.
2040	(Target_aarch64::add_tlsdesc_info): New method.
2041	(Target_aarch64::do_dynsym_value): New method.
2042	(Target_aarch64::do_make_data_plt): Add new parameters: got,
2043	got_irelative. Pass them to Output_data_plt_aarch64_standard.
2044	(Target_aarch64::make_data_plt): Add new parameters: got,
2045	got_irelative. Pass them to do_make_data_plt.
2046	(Target_aarch64::Relocate): Add skip_call_tls_get_addr_ variable.
2047	(Target_aarch64::Relocate:tls_gd_to_le): New method.
2048	(Target_aarch64::Relocate:tls_ie_to_le): New method.
2049	(Target_aarch64::Relocate:tls_desc_gd_to_le): New method.
2050	(Target_aarch64::Relocate:tls_desc_gd_to_ie): New method.
2051	(Target_aarch64::got_tlsdesc_section): New method.
2052	(Target_aarch64::make_local_ifunc_plt_entry): New method.
2053	(Target_aarch64::define_tls_base_symbol): New method.
2054	(Target_aarch64::reserve_tlsdesc_entries): New method.
2055	(Target_aarch64::got_mod_index_entry): New method.
2056	(Target_aarch64::rela_tlsdesc_section): New method.
2057	(Target_aarch64::rela_irelative_section): New method.
2058	(Target_aarch64::Tlsdesc_info): New struct.
2059	(Target_aarch64::got_section): Create .got.plt space for IRELATIVE
2060	relocations and tlsdesc relocations.
2061	(Target_aarch64::optimize_tls_reloc): Implement method.
2062	(Output_data_plt_aarch64): Add member variables: tlsdesc_rel_, got_,
2063	got_irelative_, irelative_count_, tlsdesc_got_offset_. Initialize them
2064	in constructor.
2065	(Output_data_plt_aarch64::reserve_tlsdesc_entry): New method.
2066	(Output_data_plt_aarch64::has_tlsdesc_entry): New method.
2067	(Output_data_plt_aarch64::get_tlsdesc_got_offset): New method.
2068	(Output_data_plt_aarch64::get_tlsdesc_plt_offset): New method.
2069	(Output_data_plt_aarch64::rela_tlsdesc): New method.
2070	(Output_data_plt_aarch64::rela_irelative): New method.
2071	(Output_data_plt_aarch64::entry_count): Count IRELATIVE relocations.
2072	(Output_data_plt_aarch64::first_plt_entry_offset): Add const attribute.
2073	(Output_data_plt_aarch64::get_plt_tlsdesc_entry_size): New method.
2074	(Output_data_plt_aarch64::fill_tlsdesc_entry): New method.
2075	(Output_data_plt_aarch64::do_get_plt_tlsdesc_entry_size): New method.
2076	(Output_data_plt_aarch64::do_fill_tlsdesc_entry): New method.
2077	(Output_data_plt_aarch64_standard): New member variables:
2078	plt_tlsdesc_entry_size, tlsdesc_plt_entry.
2079	(Output_data_plt_aarch64_standard::Output_data_plt_aarch64_standard):
2080	New parameter: got, got_irelative.
2081	(Output_data_plt_aarch64_standard::do_get_plt_entry_size): New method.
2082	(Output_data_plt_aarch64_standard::do_fill_tlsdesc_entry): New method.
2083	(Output_data_plt_aarch64::do_write): Replace got_address with
2084	gotplt_address. Add irelative_count_ to count. Write tlsdesc entry.
2085	(AArch64_relocate_functions::update_movnz): New method.
2086	(AArch64_relocate_functions): Correct format.
2087	(AArch64_relocate_functions::movnz): New method.
2088	(Target_aarch64::Scan::local): Correct format. Move r_sym, got to
2089	before the switch. Add new cases to switch.
2090	Check ie_to_le relaxation on tlsie relocations. Add code handling
2091	tlsgd tlsdesc cases.
2092	(Target_aarch64::Scan::global): Move arp to front. Do copy_reloc when
2093	needed. Add new cases to switch. Insert dynamic RELATIVE relocation
2094	when needed. Add code handling tlsgd, tlsie, tlsdesc cases.
2095	Call reloc_name_in_error_message to print unsupported reloc.
2096	(Target_aarch64::make_plt_section): Pass got_ and got_irelative_ to
2097	make_data_plt.
2098	(Target_aarch64::do_finalize_sections): Emit relocs to save COPY
2099	relocs. Fill in some more dynamic tags.
2100	(Target_aarch64::Relocate::relocate): Handle tlsgd, tlsdesc relocs.
2101	Skip call tls_get_addr when tlsgd is relaxed.
2102	(Target_aarch64::Relocate::relocate_tls): Correct format. Add code
2103	handling tlsgd, tlsdesc relocs, and tls gd->le, ie->le, tlsdesc->le,
2104	tlsdesc->ie relaxation.
2105
21062014-09-03  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2107
2108	* mips.cc (Target_mips_nacl): New class.
2109	(Target_selector_mips_nacl): New class.
2110	(target_selector_mips32): Rename from target_selector_mips32be and use
2111	Target_selector_mips_nacl instead of Target_selector_mips.
2112	(target_selector_mips32el): Rename from target_selector_mips32 and use
2113	Target_selector_mips_nacl instead of Target_selector_mips.
2114	(target_selector_mips64): Rename from target_selector_mips64be and use
2115	Target_selector_mips_nacl instead of Target_selector_mips.
2116	(target_selector_mips64el): Rename from target_selector_mips64 and use
2117	Target_selector_mips_nacl instead of Target_selector_mips.
2118	(Target_mips::mips_info): Add const attribute.
2119
21202014-09-02  Cary Coutant  <ccoutant@google.com>
2121
2122	* dwp.cc (Sized_relobj_dwo::do_section_name): Add const attribute.
2123	* dynobj.h (Sized_dynobj::do_section_name): Likewise.
2124	* incremental.cc (Sized_relobj_incr::do_section_name): Likewise.
2125	(Sized_incr_dynobj::do_section_name): Likewise.
2126	* incremental.h (Sized_relobj_incr::do_section_name): Likewise.
2127	(Sized_incr_dynobj::do_section_name): Likewise.
2128	* object.h (Object::section_name): Likewise.
2129	(Object::do_section_name): Likewise.
2130	(Sized_relobj_file::do_section_name): Likewise.
2131	* plugin.cc (Sized_pluginobj::do_section_name): Likewise.
2132	* plugin.h (Sized_pluginobj::do_section_name): Likewise.
2133
21342014-09-02  Cary Coutant  <ccoutant@google.com>
2135
2136	PR gold/17005
2137	* ehframe.cc (Fde::write): Add output_offset parameter.
2138	(Cie::write): Likewise.
2139	(Eh_frame::set_final_data_size): Account for offset within output
2140	section.
2141	(Eh_frame::do_sized_write): Likewise.
2142	* ehframe.h (Fde::write): Add output_offset parameter.
2143	(Cie::write): Likewise.
2144	* output.cc (Output_section::Input_section_sort_entry): Remove
2145	section_has_name_; add output_section_name parameter. Use
2146	output section name for non-input sections.
2147	(Output_section::Input_section_sort_entry::section_has_name): Remove.
2148	(Output_section::Input_section_sort_entry::section_has_name_): Remove.
2149	(Output_section::Input_section_sort_compare): Remove logic for
2150	sections without names.
2151	(Output_section::Input_section_sort_init_fini_compare): Likewise.
2152	(Output_section::Input_section_sort_section_prefix_special_ordering_compare):
2153	Likewise.
2154	(Output_section::Input_section_sort_section_name_compare): Likewise.
2155
21562014-08-29 Han Shen <shenhan@google.com>
2157	   Jing Yu <jingyu@google.com>
2158
2159	* aarch64-reloc-property.cc
2160	(AArch64_reloc_property_table::reloc_name_in_error_message): Fix bug in
2161	reference reloc property in the table.
2162	* aarch64-reloc.def: Add TLSLE reloc types and fix some errors in
2163	3 other entries.
2164	* aarch64.cc: (Output_data_got_aarch64::add_static_reloc):
2165	2 new overloaded methods.
2166	(Output_data_got_aarch64::do_write): Add code to write out
2167	static relocs.
2168	(class Output_data_got_aarch64::Static_reloc): New class to wrap
2169	static relocs.
2170	(Output_data_got_aarch64::static_relocs): New vector to
2171	hold static relocs.
2172	(Target_aarch64::TCB_SIZE): New const static memeber.
2173	(Target_aarch64::tcb_size): New method.
2174	(Target_aarch64::Relocate::relocate): Add code handling new reloc types.
2175	(Target_aarch64::Relocate::relocate_tls): New method.
2176	(Target_aarch64::Scan::local): Add code handling new reloc types.
2177	(Target_aarch64::Scan::global): Add code handling new reloc types.
2178
21792014-08-13  Sriraman Tallam  <tmsriram@google.com>
2180
2181	* options.h (-no-pie): Add option.
2182
21832014-08-08  Jing Yu  <jingyu@google.com>
2184	    Han Shen  <shenhan@google.com>
2185
2186	* Makefile.am (HFILES): Add aarch64-reloc-property.h.
2187	(DEFFILES): add aarch64-reloc.def.
2188	(TARGETSOURCES): Add aarch64-reloc-property.cc.
2189	(ALL_TARGETOBJS): Add aarch64-reloc-property.$(OBJEXT).
2190	* Makefile.in: Regenerate.
2191	* aarch64-reloc-property.cc: New file.
2192	* aarch64-reloc-property.h: New file.
2193	* aarch64-reloc.def: New file.
2194	* aarch64.cc: Include aarch64-reloc-property.h. Replace spaces
2195	with tab to make the format consistent.
2196	(Output_data_got_aarch64::symbol_table_): New method.
2197	(Target_aarch64::do_plt_address_for_global): New method.
2198	(Target_aarch64::do_plt_address_for_local): New method.
2199	(Target_aarch64::do_select_as_default_target): New method.
2200	(Target_aarch64::do_make_data_plt): New method.
2201	(Target_aarch64::make_data_plt): New method.
2202	(Output_data_plt_aarch64::has_irelative_section): New method.
2203	(Output_data_plt_aarch64::address_for_global): New method.
2204	(Output_data_plt_aarch64::address_for_local): New method.
2205	(Output_data_plt_aarch64::irelative_rel_): New parameter.
2206	(Output_data_plt_aarch64::add_entry): Implement contents.
2207	(Output_data_plt_aarch64::set_final_data_size): Fix typo.
2208	(Output_data_plt_aarch64::do_write): Remove useless got_base. Set
2209	the got_pov entry to plt0.
2210	(Output_data_plt_aarch64_standard::do_fill_first_plt_entry):
2211	Implement contents.
2212	(Output_data_plt_aarch64_standard::do_fill_plt_entry): Implement.
2213	(AArch64_howto): New struct.
2214	(aarch64_howto[]): New static const array.
2215	(AArch64_relocate_functions): New class.
2216	(Target_aarch64::Scan::get_reference_flags): Remove method.
2217	(Target_aarch64::Scan::local): Implement to support a few relocations.
2218	(Target_aarch64::Scan::global): Implement to support a few relocations.
2219	(Target_aarch64::make_plt_section): Implement contents.
2220	(Target_aarch64::make_plt_entry): Implement contents.
2221	(Target_aarch64::do_finalize_sections): Implement contents.
2222	(Target_aarch64::Relocate::relocate): Implement a few relocations.
2223	(Target_aarch64::relocate_section): Implement contents.
2224
22252014-08-06  Alan Modra  <amodra@gmail.com>
2226
2227	* testsuite/defsym_test.sh: Allow ppc64le localentry annotation.
2228
22292014-08-06  Alan Modra  <amodra@gmail.com>
2230
2231	PR 13227
2232	* symtab.cc (Symbol_table::add_from_relobj): Warn on __gnu_lto_slim.
2233
22342014-07-21  Sriraman Tallam  <tmsriram@google.com>
2235
2236	* object.cc (Relobj::is_section_name_included): Add
2237	".rodata.nptl_version" to not garbage collect this section.
2238
22392014-07-08  Cary Coutant  <ccoutant@google.com>
2240
2241	* expression.cc (struct Expression::Expression_eval_info): Add
2242	new fields type_pointer, vis_pointer, and nonvis_pointer.
2243	(Expression::eval_maybe_dot): Add type_pointer, vis_pointer, and
2244	nonvis_pointer parameters. Adjust all calls.
2245	(Symbol_expression::value): Update type, visibility, and nonvis bits
2246	in caller.
2247	* script.cc (Symbol_assignment::sized_finalize): Update type,
2248	visibility, and remaining st_other bits for new symbol.
2249	* script.h: (Expression::eval_maybe_dot): Add type_pointer,
2250	vis_pointer, and nonvis_pointer parameters.
2251	* symtab.h (Symbol::set_type): New method.
2252
2253	* testsuite/Makefile.am (defsym_test): New test.
2254	* testsuite/Makefile.in: Regenerate.
2255	* testsuite/defsym_test.c: New file.
2256	* testsuite/defsym_test.sh: New file.
2257
22582014-07-08  Cary Coutant  <ccoutant@google.com>
2259
2260	PR gold/15639
2261	* dynobj.h (Sized_dynobj::base_read_symbols): New method.
2262	* dynobj.cc (Sized_dynobj::do_read_symbols): Move body to...
2263	(Sized_dynobj::base_read_symbols): ...new method.
2264	* object.h (Sized_relobj_file::base_read_symbols): New method.
2265	* object.cc (Sized_relobj_file::do_read_symbols): Move body to...
2266	(Sized_relobj_file::base_read_symbols): ...new method.
2267	* arm.cc (Arm_relobj::do_read_symbols): Call base_read_symbols.
2268	* mips.cc: (Mips_relobj::do_read_symbols): Likewise.
2269	* powerpc.cc (Powerpc_dynobj::do_read_symbols): Likewise.
2270
22712014-07-04  Alan Modra  <amodra@gmail.com>
2272
2273	* po/POTFILES.in: Regenerate.
2274
22752014-07-02  Jing Yu  <jingyu@google.com>
2276
2277	* aarch64.cc: New file
2278	* Makefile.am (TARGETSOURCES): Add aarch64.cc
2279	(ALL_TARGETOBJS): Add aarch64.$(OBJEXT)
2280	* Makefile.in: Regenerate.
2281	* configure.tgt: Add entries for aarch64*.
2282	* configure.ac:  Likewise.
2283	* configure: Likewise.
2284
22852014-06-27  Alan Modra  <amodra@gmail.com>
2286
2287	* symtab.cc (Symbol::should_add_dynsym_entry): Don't make inline.
2288
22892014-06-24  Cary Coutant  <ccoutant@google.com>
2290
2291	* dwp.cc (Dwo_file::read): Allow files with no .debug_types
2292	sections.
2293	(Dwo_file::sized_read_unit_index): Likewise.
2294
22952014-06-23  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2296
2297	* mips.cc: New file.
2298	* Makefile.am (TARGETSOURCES): Add mips.cc
2299	(ALL_TARGETOBJS): Add mips.$(OBJEXT)
2300	* configure.tgt: Add entries for mips*.
2301	* configure.ac: Likewise.
2302	* Makefile.in: Regenerate.
2303	* configure: Likewise.
2304
23052014-06-09  Cary Coutant  <ccoutant@google.com>
2306
2307	* dwarf_reader.cc (Dwarf_pubnames_table::read_header): Check that
2308	unit_length is within section bounds.
2309
23102014-06-09  Cary Coutant  <ccoutant@google.com>
2311
2312	PR gold/16980
2313	* layout.cc (Layout::print_to_mapfile): Print unattached sections in
2314	map.
2315
23162014-06-07  Alan Modra  <amodra@gmail.com>
2317
2318	* powerpc.cc (relocate): Treat field of cmpli insn as a bitfield.
2319
23202014-06-06  Cary Coutant  <ccoutant@google.com>
2321
2322	* dwarf_reader.h (Dwarf_pubnames_table): Remove output_section_offset_.
2323	* dwarf_reader.cc (Dwarf_pubnames_table::read_section): Likewise.
2324	(Dwarf_pubnames_table::read_header): Likewise.
2325	* layout.cc (gdb_fast_lookup_sections): Add .debug_gnu_pubnames and
2326	.debug_gnu_pubtypes.
2327
23282014-06-05  Joel Brobecker  <brobecker@adacore.com>
2329
2330	* Makefile.am (CONFIG_STATUS_DEPENDENCIES): New.
2331	* Makefile.in, configure: Regenerate.
2332
23332014-06-03  Alan Modra  <amodra@gmail.com>
2334
2335	* powerpc.cc (addis_12_2): Define.
2336	(Stub_table::do_write): Support fusion on ELFv2 stubs.
2337
23382014-06-03  Alan Modra  <amodra@gmail.com>
2339
2340	* testsuite/plugin_test.c (parse_readelf_line): Skip non-visibility
2341	st_other output.
2342
23432014-06-02  Alan Modra  <amodra@gmail.com>
2344
2345	* powerpc.cc (Target_powerpc::local_reloc_may_be_function_pointer):
2346	Only ignore relocs on ELFv1.
2347	(Target_powerpc::global_reloc_may_be_function_pointer): Likewise.
2348
23492014-05-30  Cary Coutant  <ccoutant@google.com>
2350
2351	* testsuite/Makefile.am (ehdr_start_test_4): Fix typo in -B option.
2352	* testsuite/Makefile.in: Regenerate.
2353	* testsuite/ehdr_start_test_4.sh: Look for "U" instead of "w".
2354
23552014-05-27  H.J. Lu  <hongjiu.lu@intel.com>
2356
2357	PR gold/16945
2358	* x86_64.cc (Target_x86_64::Relocate::relocate): Use signed int
2359	for got_offset.  Properly get GOT address for R_X86_64_PLTOFF64.
2360
23612014-05-15  Alan Modra  <amodra@gmail.com>
2362
2363	* powerpc.cc (do_plt_fde_location): Handle zero length .glink.
2364	Compare FDE contents with DW_CFA_nop rather than 0.
2365
23662014-05-13  Sriraman Tallam  <tmsriram@google.com>
2367
2368	* symtab.h (may_need_copy_reloc): Remove check for position independent
2369	code.
2370	* x86_64.cc (Target_x86_64<size>::Scan::global): Add check for no
2371	position independence before pc absolute may_need_copy_reloc call.
2372	Add check for executable output befor pc relative may_need_copy_reloc
2373	call.
2374	* i386.cc: Ditto.
2375	* arm.cc: Ditto.
2376	* sparc.cc: Ditto.
2377	* tilegx.cc: Ditto.
2378	* powerpc.cc: Add check for no position independence before
2379	may_need_copy_reloc calls.
2380	* testsuite/pie_copyrelocs_test.cc: New file.
2381	* testsuite/pie_copyrelocs_shared_test.cc: New file.
2382	* Makefile.am (pie_copyrelocs_test): New test.
2383	* Makefile.in: Regenerate.
2384
23852014-05-08  Martin Liška  <mliska@suse.cz>
2386
2387	* output.cc (Sized_relobj_file::do_layout): Fix typo in info message.
2388
23892014-05-06  Cary Coutant  <ccoutant@google.com>
2390
2391	PR gold/16900
2392	* i386.cc (Output_data_got_plt_i386): New class.
2393	(Output_data_plt_i386::Output_data_plt_i386): Change type of got_plt
2394	parameter. Change all callers.
2395	(Output_data_plt_i386::layout_): Remove.
2396	(Output_data_plt_i386::got_plt_): Change type.
2397	(Target_i386::got_plt_): Change type. Change all references.
2398	(Target_i386::got_section): Create instance of new class.
2399	(Output_data_got_plt_i386::do_write): New function.
2400	* x86_64.cc (Output_data_got_plt_x86_64): New class.
2401	(Output_data_plt_x86_64::Output_data_plt_x86_64): Change type of got_plt
2402	parameter. Change all callers.
2403	(Output_data_plt_x86_64::layout_): Remove.
2404	(Output_data_plt_x86_64::got_plt_): Change type.
2405	(Target_x86_64::got_plt_): Change type. Change all references.
2406	(Target_x86_64::got_section): Create instance of new class.
2407	(Output_data_got_plt_x86_64::do_write): New function.
2408	(Output_data_plt_x86_64::do_write): Don't write reserved words in GOT.
2409	(Target_x86_64<size>::init_got_plt_for_update): Create instance of new
2410	class.
2411
24122014-05-05  Cary Coutant  <ccoutant@google.com>
2413
2414	* gdb-index.cc (Gdb_index_info_reader): Don't complain about language
2415	if we have pubnames/pubtypes.
2416
24172014-05-02  Cary Coutant  <ccoutant@google.com>
2418
2419	* defstd.cc (in_segment): Define __ehdr_start here...
2420	* layout.cc (Layout::finalize): ...Instead of here.  Set the
2421	output segment when known.
2422	* resolve.cc (Symbol::override_base_with_special): Remember
2423	the original binding.
2424	* symtab.cc (Symbol::set_output_segment): New function.
2425	(Symbol::set_undefined): New function.
2426	* symtab.h (Symbol::is_weak_undefined): Check original undef
2427	binding.
2428	(Symbol::is_strong_undefined): New function.
2429	(Symbol::set_output_segment): New function.
2430	(Symbol::set_undefined): New function.
2431	* target-reloc.h (is_strong_undefined): Remove.
2432	(issue_undefined_symbol_error): Call Symbol::is_weak_undefined.
2433	Check for hidden undefs.
2434	(relocate_section): Call Symbol::is_strong_undefined.
2435
2436	* testsuite/Makefile.am (ehdr_start_test_1)
2437	(ehdr_start_test_2, ehdr_start_test_3)
2438	(ehdr_start_test_4, ehdr_start_test_5): New test cases.
2439	* testsuite/Makefile.in: Regenerate.
2440	* testsuite/ehdr_start_def.cc: New source file.
2441	* testsuite/ehdr_start_test.cc: New source file.
2442	* testsuite/ehdr_start_test.t: New linker script.
2443	* testsuite/ehdr_start_test_4.sh: New shell script.
2444
24452014-04-23  Cary Coutant  <ccoutant@google.com>
2446
2447	PR gold/16870
2448	* x86_64.cc (Target_x86_64::Relocate::relocate): Add missing break.
2449
24502014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2451
2452	* layout.cc (Layout::include_section): Allow a target to decide
2453	whether to include a section.
2454	* target.h (Target::should_include_section): New function.
2455	(Target::do_should_include_section): New function.
2456
24572014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2458
2459	* copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Remove and
2460	inline into ...
2461	(Copy_relocs::emit): ... here.
2462	* copy-relocs.h (Copy_reloc_entry): Change from class to struct.
2463	(Copy_reloc_entry::make_copy_reloc): Change from private to protected.
2464	(Copy_reloc_entry::entries_): Change from private to protected.
2465
24662014-04-02  Sriraman Tallam  <tmsriram@google.com>
2467
2468	* icf.cc (get_section_contents): Replace copies of reloc
2469	vectors with const references.
2470
24712014-04-02  Cary Coutant  <ccoutant@google.com>
2472
2473	* configure.ac (HAVE_PUBNAMES): Use C instead of C++.
2474	(HAVE_NO_USE_LINKER_PLUGIN): Check for -fno-use-linker-plugin.
2475	* configure: Regenerate.
2476	* testsuite/Makefile.am (OPT_NO_PLUGINS): New macro for
2477	-fno-use-linker-plugin.
2478	(LINK1, CXXLINK1): Add it to the link command.
2479	* testsuite/Makefile.in: Regenerate.
2480
24812014-03-12  Alan Modra  <amodra@gmail.com>
2482
2483	* Makefile.in: Regenerate.
2484
24852014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2486
2487	* symtab.h (Symbol::set_nonvis): New function.
2488
24892014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2490
2491	* symtab.cc (Sized_symbol<32>::init_output_data):
2492	Instantiate the template.
2493	(Sized_symbol<64>::init_output_data): Likewise.
2494
24952014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2496
2497	* symtab.cc (Symbol_table::sized_write_globals): Allow a target to
2498	adjust dynamic symbol value.
2499	* target.h (Target::adjust_dyn_symbol): New function.
2500	(Target::do_adjust_dyn_symbol): New function.
2501
25022014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2503
2504	* output.cc (Output_data_dynamic::Dynamic_entry::write):
2505	Get the value of DYNAMIC_CUSTOM dynamic entry.
2506	* output.h (Output_data_dynamic::add_custom): New function.
2507	(Dynamic_entry::Dynamic_entry): New constructor for DYNAMIC_CUSTOM
2508	dynamic entry.
2509	(enum Dynamic_entry::Classification): Add DYNAMIC_CUSTOM.
2510	* target.h (Target::dynamic_tag_custom_value): New function.
2511	(Target::do_dynamic_tag_custom_value): New function.
2512
25132014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2514
2515	* symtab.cc (Symbol_table::set_dynsym_indexes): Allow a target to set
2516	dynsym indexes.
2517	* target.h (Target::has_custom_set_dynsym_indexes): New function.
2518	(Target::do_has_custom_set_dynsym_indexes): New function.
2519	(Target::set_dynsym_indexes): New function.
2520	(Target::do_set_dynsym_indexes): New function.
2521
25222014-03-07  Alan Modra  <amodra@gmail.com>
2523
2524	* powerpc.cc (Powerpc_relocate_functions::Overflow_check): Add
2525	CHECK_UNSIGNED, CHECK_LOW_INSN, CHECK_HIGH_INSN.
2526	(Powerpc_relocate_functions::has_overflow_unsigned): New function.
2527	(Powerpc_relocate_functions::has_overflow_bitfield,
2528	overflowed): Use the above.
2529	(Target_powerpc::Relocate::relocate): Correct overflow checking
2530	for a number of relocations.  Modify overflow test for 16-bit
2531	fields in instructions to signed/unsigned according to whether
2532	the field takes a signed or unsigned value.
2533
25342014-03-05  Alan Modra  <amodra@gmail.com>
2535
2536	Update copyright years.
2537
25382014-03-05  Alan Modra  <amodra@gmail.com>
2539
2540	* powerpc.cc (Target_powerpc::Scan::local, global): Support
2541	R_PPC64_ADDR64_LOCAL.
2542	(Target_powerpc::Relocate::relocate): Likewise.
2543
25442014-03-03  Alan Modra  <amodra@gmail.com>
2545
2546	* dwp.cc (print_version): Update copyright year to current.
2547
25482014-02-10  Alan Modra  <amodra@gmail.com>
2549
2550	* po/gold.pot: Regenerate.
2551
25522014-02-06  Cary Coutant  <ccoutant@google.com>
2553
2554	Fix problem where -u is ignored when a weak undef is seen.
2555
2556	* archive.cc (Library_base::should_include_member): Reorder
2557	code to check for -u option if a weak undef has already been seen.
2558	* testsuite/Makefile.am (weak_undef_test_2): New test case.
2559	* testsuite/Makefile.in: Regenerate.
2560	* testsuite/weak_undef_file3.cc: New file.
2561	* testsuite/weak_undef_file4.cc: New file.
2562	* testsuite/weak_undef_test_2.cc: New file.
2563
25642014-02-05  Cary Coutant  <ccoutant@google.com>
2565
2566	Fix issues with gold undefined symbol diagnostics.
2567
2568	PR binutils/15435
2569	* errors.cc (Errors::undefined_symbol): Move undef vtable symbol
2570	check to here.
2571	* target-reloc.h (is_strong_undefined): New function.
2572	(relocate_section): Move undef vtable symbol check from here.
2573	Check for is_strong_undefined.
2574
25752014-02-05  Cary Coutant  <ccoutant@google.com>
2576
2577	Fix problems with the --dynamic-list option.
2578
2579	PR gold/13577
2580	* options.cc (General_options::parse_dynamic_list):
2581	Set have_dynamic_list_.
2582	(General_options::General_options): Initialize have_dynamic_list_.
2583	(General_options::finalize): Turn off -Bsymbolic and
2584	-Bsymbolic-functions if --dynamic-list provided.
2585	* options.h (General_options::have_dynamic_list): New function.
2586	(General_options::have_dynamic_list_): New data member.
2587	* symtab.h (Symbol::is_preemptible): Handle --dynamic-list
2588	correctly.
2589
2590	PR gold/16530
2591	* symtab.cc (Symbol_table::add_from_relobj): If symbol is named
2592	in --dynamic-list, mark it.
2593
2594	* testsuite/Makefile.am (gc_dynamic_list_test.sh): New test case.
2595	(dynamic_list_2): New test case.
2596	* testsuite/Makefile.in: Regenerate.
2597	* testsuite/dynamic_list_2.cc: New file.
2598	* testsuite/dynamic_list_2.t: New file.
2599	* testsuite/dynamic_list_lib1.cc: New file.
2600	* testsuite/dynamic_list_lib2.cc: New file.
2601	* testsuite/gc_dynamic_list_test.c: New file.
2602	* testsuite/gc_dynamic_list_test.sh: New file.
2603	* testsuite/gc_dynamic_list_test.t: New file.
2604
26052014-01-28  Cary Coutant  <ccoutant@google.com>
2606
2607	Add .gdb_index version 7 support.
2608
2609	* dwarf_reader.cc: include <utility> (for make_pair).
2610	(Dwarf_abbrev_table::do_read_abbrevs): Check for compressed
2611	debug sections.
2612	(Dwarf_ranges_table::read_ranges_table): Likewise.
2613	(Dwarf_pubnames_table::read_section): Check for GNU-style
2614	sections, and for compressed debug sections.
2615	(Dwarf_pubnames_table::read_header): Compute end address of table.
2616	(Dwarf_pubnames_table::next_name): Return flag_byte.  Check
2617	for end of list by offset, not by offset == 0.
2618	(Dwarf_info_reader::do_read_string_table): Check for compressed
2619	debug sections.
2620	* dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
2621	Initialize new data members.
2622	(Dwarf_pubnames_table::next_name): return flag_byte.
2623	(Dwarf_pubnames_table::end_of_table_): New data member.
2624	(Dwarf_pubnames_table::is_gnu_style_): New data member.
2625	* gdb-index.cc (gdb_index_version): Update to version 7.
2626	(Gdb_index_info_reader::read_pubtable): Read flag_byte.
2627	(Gdb_index_info_reader::read_pubnames_and_pubtypes): Don't
2628	read skeleton type unit DIEs.
2629	(Gdb_index::add_symbol): Add flag_byte; adjust all callers.
2630	(Gdb_index::do_write): Write flag_byte.
2631	* gdb-index.h (Gdb_index::add_symbol): Add flags parameter.
2632	(Gdb_index::Cu_vector): Store flags along with cu indexes.
2633	* testsuite/gdb_index_test_3.sh: Allow versions 4-7.
2634	* testsuite/gdb_index_test_comm.sh: Likewise.
2635
26362014-01-08  H.J. Lu  <hongjiu.lu@intel.com>
2637
2638	* version.cc (print_version): Update copyright year to 2014.
2639
26402013-12-19  Dimitry Andric  <dimitry@andric.com>
2641
2642	* stringpool.cc (Stringpool_template::reserve): Add
2643	HAVE_UNORDERED_MAP case.
2644	* stringpool.cc (Stringpool_template::print_stats): Likewise.
2645
26462013-12-18  Cary Coutant  <ccoutant@google.com>
2647
2648	* configure.ac: Check for <unordered_set> and <unordered_map>.
2649	* config.in: Regenerate.
2650	* configure: Regenerate.
2651	* system.h: Use <unordered_set> and <unordered_map> if available.
2652
26532013-12-10  Roland McGrath  <mcgrathr@google.com>
2654
2655	* Makefile.am (install-exec-local): Prefix $(INSTALL_PROGRAM) uses
2656	with $(INSTALL_PROGRAM_ENV).
2657	* Makefile.in: Regenerate.
2658
26592013-11-22  Cary Coutant  <ccoutant@google.com>
2660
2661	* configure.ac: Add check for which library is needed for
2662	dlopen.
2663	* configure: Regenerate.
2664
26652013-11-22  Cary Coutant  <ccoutant@google.com>
2666
2667	* testsuite/Makefile.am (exception_x86_64_bnd_test): Use in-tree
2668	assembler.
2669	* testsuite/Makefile.in: Regenerate.
2670
26712013-11-17  H.J. Lu  <hongjiu.lu@intel.com>
2672
2673	* x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags):
2674	Handle R_X86_64_PC32_BND and R_X86_64_PLT32_BND just like
2675	R_X86_64_PC32 and R_X86_64_PLT32, respectively.
2676	(Target_x86_64<size>::Scan::local): Likewise.
2677	(Target_x86_64<size>::Scan::global): Likewise.
2678	(Target_x86_64<size>::Relocate::relocate): Likewise.
2679	(Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc):
2680	Likewise.
2681	(Target_x86_64<size>::Scan::check_non_pic(): Handle
2682	R_X86_64_PC32_BND.
2683
2684	* testsuite/Makefile.am (check_PROGRAMS): Add
2685	exception_x86_64_bnd_test.
2686	(exception_x86_64_bnd_test_SOURCES): New macro.
2687	(exception_x86_64_bnd_test_DEPENDENCIES): Likewise.
2688	(exception_x86_64_bnd_test_LDFLAGS): Likewise.
2689	(exception_x86_64_bnd_test_LDADD): Likewise.
2690	(exception_x86_64_bnd_1.o): New rule.
2691	(exception_x86_64_bnd_2.o): Likewise.
2692	* testsuite/Makefile.in: Regenerated.
2693
26942013-11-15  Alan Modra  <amodra@gmail.com>
2695
2696	* powerpc.cc (Target_powerpc::glink_section): Provide non-const
2697	accessor.
2698	(Target_powerpc::Branch_info::make_stub): Make global entry stubs.
2699	Only call ppc64_local_entry_offset for 64-bit.  Restrict
2700	symval_for_branch lookup to ELFv1.
2701	(Stub_table::add_plt_call_entry): Use unsigned int off.
2702	(Output_data_glink::Address, invalid_address): New.
2703	(Output_data_glink::add_eh_frame): Move out of line.  Add
2704	support for ELFv2.
2705	(Output_data_glink::add_global_entry, find_global_entry,
2706	global_entry_address): New functions.
2707	(Output_data_glink::global_entry_stubs_, end_branch_table_,
2708	ge_size): New variables.
2709	(Output_data_glink::set_final_data_size): Add global entry
2710	stub sizing.
2711	(Output_data_glink::do_write): Write global entry stubs.
2712	(Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Add target
2713	parameter.  Return true for ELFv2.  Adjust callers.
2714	(Target_powerpc::Scan::local, global): Restrict opd lookup to
2715	ELFv1.  Similarly for ifunc and dynamic relocation processing
2716	specific to ELFv1.  Recognize that symbols are defined on
2717	their plt entries for ELFv2.
2718	(Target_powerpc::symval_for_branch): Assert if called for
2719	ELFv2 or ppc32.
2720	(Target_powerpc::Relocate::relocate): Use global entry plt
2721	stub for symbol value if such exists on ELFv2.
2722	(Target_powerpc::Relocate::relocate): Don't call
2723	symval_for_branch when ELFv2.  Do adjust for local entry
2724	offset when ELFv2.
2725	(Target_powerpc::do_dynsym_value): Set symbols to global entry
2726	plt stub for ELFv2.
2727	(Target_powerpc::do_plt_address_for_global): Similarly.
2728
27292013-11-14  Cary Coutant  <ccoutant@google.com>
2730
2731	Revert patch -- this did not fix the problem, and there is
2732	no race there.
2733
2734	2013-11-14  Cary Coutant  <ccoutant@google.com>
2735
2736	    PR gold/14860
2737	    * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
2738	    (Ehframe_hdr::set_final_data_size): Allocate a Lock.
2739	    * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
2740	    updating fde_offsets_.
2741	    (Eh_frame_hdr::lock_): New data member.
2742
27432013-11-14  Cary Coutant  <ccoutant@google.com>
2744
2745	* dwp.cc (Dwo_file_entry): New type.
2746	(File_list): Use Dwo_file_entry.
2747	(Dwo_file::verify): New function.
2748	(Dwo_file::verify_dwo_list): New function.
2749	(Dwo_file::sized_verify_dwo_list): New function.
2750	(Dwo_name_info_reader::visit_compilation_unit): Add dwo_id to file
2751	list.
2752	(Dwp_options): New enum type.
2753	(dwp_options): Add --verify-only.
2754	(usage): Likewise.
2755	(main): Likewise.
2756	* dwp.h (gold_info): Add declaration.
2757
27582013-11-14  Cary Coutant  <ccoutant@google.com>
2759
2760	PR gold/14860
2761	* ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
2762	(Ehframe_hdr::set_final_data_size): Allocate a Lock.
2763	* ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
2764	updating fde_offsets_.
2765	(Eh_frame_hdr::lock_): New data member.
2766
27672013-11-06  Cary Coutant  <ccoutant@google.com>
2768
2769	PR gold/15758
2770	* object.cc (Sized_relobj_file::do_layout): Handle .eh_frame sections
2771	before reloc sections.
2772
27732013-11-04  Alan Modra  <amodra@gmail.com>
2774
2775	* symtab.h (Symbol::Reference_flags): Add FUNC_DESC_ABI.
2776	(Symbol::needs_dynamic_reloc): Test new flag.
2777	* powerpc.cc (needs_dynamic_reloc, use_plt_offset): Delete.
2778	(Target_powerpc::Scan::get_reference_flags): Add target param.
2779	Return FUNC_DESC_ABI for 64-bit ELFv1.
2780	(Target_powerpc::Branch_info::make_stub): Adjust get_reference_flags
2781	call.
2782	(Target_powerpc::Scan::global): Use Symbol::needs_dynamic_reloc.
2783	(Target_powerpc::Relocate::relocate): Use Symbol::use_plt_offset.
2784
27852013-10-31  Cary Coutant  <ccoutant@google.com>
2786
2787	Restore support for dwp v2 DWARF package file format.
2788
2789	* dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
2790	tu_length parameter.  Adjust all callers.
2791	* dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
2792	* dwp.cc: Include dwarf.h.
2793	(Section_bounds): New struct type.
2794	(Unit_set): New struct type.
2795	(Dwo_file::Dwo_file): Initialize new data member.
2796	(Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
2797	Combine and rename to...
2798	(Dwo_file::read_unit_index): ...this.
2799	(Dwo_file::sized_read_compunit_index)
2800	(Dwo_file::sized_read_typeunit_index): Combine and rename to...
2801	(Dwo_file::sized_read_unit_index): ...this.
2802	(Dwo_file::copy_section): Remove section_name, is_str_offsets
2803	parameters; add section_id parameter.
2804	(Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
2805	(Dwo_file::add_unit_set): ...this.
2806	(Dwo_file::shndx_map_): Remove.
2807	(Dwo_file::sect_offsets_): New data member.
2808	(Dwp_output_file::Dwp_output_file): Initialize new data members.
2809	(Dwp_output_file::add_section): Rename to...
2810	(Dwp_output_file::add_contribution): ...this.
2811	(Dwp_output_file::add_cu_set): Combine parameters into a struct.
2812	(Dwp_output_file::add_tu_set): Likewise.
2813	(Dwp_output_file::Contribution): New type.
2814	(Dwp_output_file::Section::contributions): New data member.
2815	(Dwp_output_file::Cu_or_tu_set): Remove.
2816	(Dwp_output_file::Section::Section): New ctor.
2817	(Dwp_output_file::Dwp_index::Shndx_pool): Remove.
2818	(Dwp_output_file::Dwp_index::Section_table): New type.
2819	(Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
2820	(Dwp_output_file::Dwp_index::enter_set): Change type of "set"
2821	parameter.
2822	(Dwp_output_file::Dwp_index::shndx_pool): Remove.
2823	(Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
2824	(Dwp_output_file::Dwp_index::section_table): New member function.
2825	(Dwp_output_file::Dwp_index::section_table_end): New member function.
2826	(Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
2827	(Dwp_output_file::Dwp_index::section_table_rows): New member function.
2828	(Dwp_output_file::Dwp_index::section_table_cols): New member function.
2829	(Dwp_output_file::Dwp_index::shndx_pool_): Remove.
2830	(Dwp_output_file::Dwp_index::section_table_): New data member.
2831	(Dwp_output_file::Dwp_index::section_mask_): New data member.
2832	(Dwp_output_file::add_output_section): New member function.
2833	(Dwp_output_file::write_new_section): New member function.
2834	(Dwp_output_file::write_contributions): New member function.
2835	(Dwp_output_file::section_id_map_): New data member.
2836	(class Dwo_id_info_reader): Remove.
2837	(class Unit_reader): New class.
2838	(get_dwarf_section_name): New function.
2839	(Dwo_file::read_executable): Adjust initializations of class data.
2840	(Dwo_file::read): Add support for v2 package file format.
2841	(Dwo_file::read_unit_index): Likewise.
2842	(Dwo_file::sized_read_unit_index): Likewise.
2843	(Dwo_file::copy_section): Likewise.
2844	(Dwo_file::add_unit_set): Likewise.
2845	(Dwp_output_file::add_output_section): Likewise.
2846	(Dwp_output_file::add_contribution): Likewise.
2847	(Dwp_output_file::Dwp_index::find_or_add): Use row index to check
2848	for empty slot.
2849	(Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
2850	file format.
2851	(Dwp_output_file::Dwp_index::grow): Use row index to check for empty
2852	slot.
2853	(Dwp_output_file::initialize): Remove unused function.
2854	(Dwp_output_file::finalize): Add support for v2 package file format.
2855	(Dwp_output_file::write_index): Likewise.
2856	* gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
2857	function prototype.
2858
28592013-10-31  Cary Coutant  <ccoutant@google.com>
2860
2861	* configure.ac: Fix check for -fmerge-constants.
2862	* configure.ac: Regenerate.
2863
28642013-10-30  Roland McGrath  <mcgrathr@google.com>
2865
2866	* x86_64.cc (Output_data_plt_x86_64_nacl::first_plt_entry):
2867	Correct 9-byte nop sequence to match what the assembler generates.
2868
28692013-10-30  Alan Modra  <amodra@gmail.com>
2870
2871	* powerpc.cc (Powerpc_relobj::abiversion, set_abiversion,
2872	ppc64_local_entry_offset, ppc64_local_entry_offset,
2873	do_read_symbols): New functions.
2874	(Powerpc_relobj::e_flags_, st_other_): New vars.
2875	(Powerpc_relobj::Powerpc_relobj): Call set_abiversion.
2876	(Powerpc_dynobj::abiversion, set_abiversion): New functions.
2877	(Powerpc_relobj::e_flags_): New var.
2878	(Target_powerpc::first_plt_entry_offset, plt_entry_size): Inline
2879	and adjust for ELFv2.
2880	(Target_powerpc::abiversion, set_abiversion, stk_toc): New functions.
2881	(Powerpc_relobj::do_find_special_sections): Check no .opd in ELFv2.
2882	(Powerpc_dynobj::do_find_special_sections): Likewise.
2883	(Target_powerpc::do_define_standard_symbols): Define ".TOC.".
2884	(Target_powerpc::Branch_info::make_stub): Adjust stub destination
2885	to ELFv2 local entry.
2886	(Target_powerpc::do_relax): No thread safe barriers needed for
2887	ELFv2.
2888	(Output_data_plt_powerpc::initial_plt_entry_size_,
2889	plt_entry_size): Delete.  Replace all uses with
2890	first_plt_entry_offset() and plt_entry_size().
2891	(Output_data_plt_powerpc::Output_data_plt_powerpc): Remove
2892	reserved_size parm.  Update callers.
2893	(Output_data_plt_powerpc::entry_count): Update.
2894	(Output_data_plt_powerpc::first_plt_entry_offset): Make private
2895	and use Target_powerpc::first_plt_entry_offset().
2896	(Output_data_plt_powerpc::get_plt_entry_size): Similarly and
2897	rename to plt_entry_size.
2898	(Output_data_plt_powerpc::add_ifunc_entry,
2899	add_local_ifunc_entry): Adjust reloc for ELFv2.
2900	(glink_eh_frame_fde_64): Rename to glink_eh_frame_fde_64v1.
2901	(glink_eh_frame_fde_64v2): New.
2902	(Stub_table::plt_call_size): Support ELFv2 sizing.
2903	(Output_data_glink::add_eh_frame): Use the new FDE.
2904	(Output_data_glink::set_final_data_size): Adjust for ELFv2 glink.
2905	(Stub_table::do_write): Write ELFv2 stubs and glink.
2906	(Target_powerpc::Relocate::relocate): Replaces nop after call
2907	with ld 2,24(1) and adjust local offset destination for ELFv2.
2908
29092013-10-30  Alan Modra  <amodra@gmail.com>
2910
2911	* powerpc.cc (Target_powerpc::Scan::check_non_pic): Handle new relocs.
2912	(Target_powerpc::Scan::global, local): Likewise.
2913	(Target_powerpc::Relocate::relocate): Likewise.  Check for overflow
2914	on all ppc64 @h and @ha relocs.
2915
29162013-10-14  Alan Modra  <amodra@gmail.com>
2917
2918	* output.h (Output_data_got::add_constant): Tidy.
2919	(Output_data_got::add_constant_pair): New function.
2920	* powerpc.cc (Output_data_got_powerpc): Override all Output_data_got
2921	methods used so as to first call reserve_ent().
2922
29232013-10-11  Roland McGrath  <mcgrathr@google.com>
2924
2925	* powerpc.cc (Output_data_got_powerpc): Remove unused methods
2926	add_got_entry and add_got_entry_pair.
2927
2928	* configure.ac (TLS_GNU2_DIALECT): Use -Werror in test.
2929	(HAVE_PUBNAMES): Likewise.
2930	* configure: Regenerate.
2931
2932	* testsuite/Makefile.am: Replace '-T foo' with '-Wl,-T,foo' throughout.
2933	* testsuite/Makefile.in: Regenerate.
2934
2935	* target.h (Target::adjust_elf_header, Target::do_adjust_elf_header):
2936	Remove const from declaration.
2937	* target.cc (Sized_target::do_adjust_elf_header): Update definition.
2938	* sparc.cc (Target_sparc::do_adjust_elf_header): Likewise.
2939	* output.h (Output_file_header): Remove const from member target_
2940	and corresponding constructor argument.
2941	* output.cc (Output_file_header::Output_file_header): Update prototype.
2942	(Output_file_header::do_sized_write): Use this->target_ in place
2943	of parameters()->target().
2944
2945	* testsuite/undef_symbol.cc (Foo::get_a): New method.
2946
2947	* configure.ac (MERGE_CONSTANTS_FLAG): New check.
2948	* configure: Regenerate.
2949	* Makefile.in: Regenerate.
2950	* testsuite/merge_string_literals_1.c: Renamed to have .cc suffix.
2951	* testsuite/merge_string_literals_2.c: Likewise.
2952	* testsuite/Makefile.am
2953	(merge_string_literals_1.o, merge_string_literals_2.o): Update deps.
2954	(AM_CFLAGS, AM_CXXFLAGS): Use $(MERGE_CONSTANTS_FLAG) in place of
2955	literal -fmerge-constants.
2956	* testsuite/Makefile.in: Regenerate.
2957
2958	* i386.cc (Target_i386): Remove unused member dynbss_.
2959	* arm.cc (Target_arm): Likewise.
2960	* powerpc.cc (Target_powerpc): Likewise.
2961	* sparc.cc (Target_sparc): Likewise.
2962	* tilegx.cc (Target_tilegx): Likewise.
2963	* x86_64.cc (Target_x86_64): Likewise.
2964	* dwarf_reader.h (Dwarf_info_reader): Remove unused members
2965	type_signature_, type_offset_.
2966	* plugin.h (Plugin_hook): Remove unused member layout_.
2967	* readsyms.h (Add_symbols): Remove unused members dirpath_, dirindex_,
2968	mapfile_.
2969	(Read_member): Remove unused members input_objects_, symtab_,
2970	mapfile_, layout_.
2971	(Check_library): Remove unused member symtab_.
2972	* archive.h (Lib_group): Remove unused member lib_.
2973	* archive.cc (Lib_group::Lib_group): Update initializer.
2974	* incremental.h	(Incremental_binary): Remove unused member target_.
2975	(Incremental_script_entry): Removed unused member script_.
2976	* layout.h (Write_symbols_task): Remove unused member input_objects_.
2977	* icf.h (Icf): Remove unused member num_tracked_relocs.
2978
2979	* gold-threads.h (Once): Conditionalize member was_run_lock_ on
2980	[ENABLE_THREADS && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4], matching
2981	its only use.
2982	* gold-threads.cc (Once::Once): Likewise conditionalize initializer.
2983
2984	* archive.h: Use struct rather than class for forward declaration
2985	of Read_symbols_data.
2986
29872013-10-07  Cary Coutant  <ccoutant@google.com>
2988
2989	PR gold/16010
2990	* testsuite/Makefile.am (icf_test): Fix dependencies.
2991	(icf_safe_test): Likewise.
2992	(icf_safe_so_test): Likewise.
2993	(large_symbol_alignment): Add empty _LDADD rule.
2994	* testsuite/Makefile.in: Regenerate.
2995
29962013-09-03  Pavel Chupin  <pavel.v.chupin@intel.com>
2997
2998	PR gold/15927
2999	* x86_64.cc (Target_x86_64<size>::Scan::global): Use relative
3000	relocation for R_X86_64_32 on x32.
3001
30022013-08-27  Roland McGrath  <mcgrathr@google.com>
3003
3004	* output.cc (Output_segment::set_section_addresses): Take new
3005	Target* argument.  If target->isolate_execinstr() and the segment
3006	is executable and starts at a target->abi_pagesize() boundary,
3007	pad its end out to a target->abi_pagesize() boundary with code fill.
3008	* output.h (Output_segment::set_section_addresses): Update decl.
3009	* layout.h (Layout::check_output_data_for_reset_values): Take new
3010	argument RELAX_OUTPUTS.
3011	(Layout): New member relax_output_list_.
3012	(Layout::add_relax_output): New method.
3013	* layout.cc (Layout::Layout): Update constructor.
3014	(Layout::reset_relax_output): New method.
3015	(Layout::clean_up_after_relaxation): Call it.
3016	(Layout::prepare_for_relaxation): Update caller.
3017	(Layout::set_segment_offsets): Update callers of set_section_addresses.
3018	Call reset_relax_output before re-processing segments for
3019	isolate_execinstr case.
3020	(Layout::write_data): Handle relax_output_list_.
3021	(Layout::Relaxation_debug_check::check_output_data_for_reset_values):
3022	Take new argument RELAX_OUTPUTS.  Assert it's an empty collection.
3023
30242013-08-23  Yuri Chornoivan  <yurchor@ukr.net>
3025
3026	PR binutils/15834
3027	* object.h: Fix typos.
3028
30292013-08-16  Roland McGrath  <mcgrathr@google.com>
3030
3031	* i386.cc (Target_i386_nacl::do_code_fill): New virtual function.
3032	* x86_64.cc (Target_x86_64_nacl::do_code_fill): New virtual function.
3033
30342013-08-07  Cary Coutant  <ccoutant@google.com>
3035
3036	Revert support for v2 DWP files:
3037
3038	2013-03-01  Cary Coutant  <ccoutant@google.com>
3039
3040	    Add dwp support for v2 DWARF package file format.
3041	    * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
3042	    tu_length parameter.  Adjust all callers.
3043	    * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
3044	    * dwp.cc: Include dwarf.h.
3045	    (Section_bounds): New struct type.
3046	    (Unit_set): New struct type.
3047	    (Dwo_file::Dwo_file): Initialize new data member.
3048	    (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
3049	    Combine and rename to...
3050	    (Dwo_file::read_unit_index): ...this.
3051	    (Dwo_file::sized_read_compunit_index)
3052	    (Dwo_file::sized_read_typeunit_index): Combine and rename to...
3053	    (Dwo_file::sized_read_unit_index): ...this.
3054	    (Dwo_file::copy_section): Remove section_name, is_str_offsets
3055	    parameters; add section_id parameter.
3056	    (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
3057	    (Dwo_file::add_unit_set): ...this.
3058	    (Dwo_file::shndx_map_): Remove.
3059	    (Dwo_file::sect_offsets_): New data member.
3060	    (Dwp_output_file::Dwp_output_file): Initialize new data members.
3061	    (Dwp_output_file::add_section): Rename to...
3062	    (Dwp_output_file::add_contribution): ...this.
3063	    (Dwp_output_file::add_cu_set): Combine parameters into a struct.
3064	    (Dwp_output_file::add_tu_set): Likewise.
3065	    (Dwp_output_file::Contribution): New type.
3066	    (Dwp_output_file::Section::contributions): New data member.
3067	    (Dwp_output_file::Cu_or_tu_set): Remove.
3068	    (Dwp_output_file::Section::Section): New ctor.
3069	    (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
3070	    (Dwp_output_file::Dwp_index::Section_table): New type.
3071	    (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
3072	    (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
3073	    parameter.
3074	    (Dwp_output_file::Dwp_index::shndx_pool): Remove.
3075	    (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
3076	    (Dwp_output_file::Dwp_index::section_table): New member function.
3077	    (Dwp_output_file::Dwp_index::section_table_end): New member function.
3078	    (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
3079	    (Dwp_output_file::Dwp_index::section_table_rows): New member function.
3080	    (Dwp_output_file::Dwp_index::section_table_cols): New member function.
3081	    (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
3082	    (Dwp_output_file::Dwp_index::section_table_): New data member.
3083	    (Dwp_output_file::Dwp_index::section_mask_): New data member.
3084	    (Dwp_output_file::add_output_section): New member function.
3085	    (Dwp_output_file::write_new_section): New member function.
3086	    (Dwp_output_file::write_contributions): New member function.
3087	    (Dwp_output_file::section_id_map_): New data member.
3088	    (class Dwo_id_info_reader): Remove.
3089	    (class Unit_reader): New class.
3090	    (get_dwarf_section_name): New function.
3091	    (Dwo_file::read_executable): Adjust initializations of class data.
3092	    (Dwo_file::read): Add support for v2 package file format.
3093	    (Dwo_file::read_unit_index): Likewise.
3094	    (Dwo_file::sized_read_unit_index): Likewise.
3095	    (Dwo_file::copy_section): Likewise.
3096	    (Dwo_file::add_unit_set): Likewise.
3097	    (Dwp_output_file::add_output_section): Likewise.
3098	    (Dwp_output_file::add_contribution): Likewise.
3099	    (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
3100	    for empty slot.
3101	    (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
3102	    file format.
3103	    (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
3104	    slot.
3105	    (Dwp_output_file::initialize): Remove unused function.
3106	    (Dwp_output_file::finalize): Add support for v2 package file format.
3107	    (Dwp_output_file::write_index): Likewise.
3108	    * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
3109	    function prototype.
3110
31112013-07-31  Cary Coutant  <ccoutant@google.com>
3112
3113	* object.cc (Sized_relobj::do_output_section_address): New function.
3114	(Sized_relobj): Instantiate explicitly.
3115	* object.h (Object::output_section_address): New function.
3116	(Object::do_output_section_address): New function.
3117	(Sized_relobj::do_output_section_address): New function.
3118	* powerpc.cc (Target_powerpc::symval_for_branch): Use it.
3119
31202013-07-30  Cary Coutant  <ccoutant@google.com>
3121	    Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
3122
3123	* parameters.cc (Parameters::entry): Return target-specific entry
3124	symbol name.
3125	* target.h (Target::entry_symbol_name): New function.
3126	(Target_info::entry_symbol_name): New data member.
3127
3128	* arm.cc (Target_arm::arm_info): Add entry_symbol_name.
3129	* i386.cc (Target_i386::i386_info): Likewise.
3130	(Target_i386_nacl::i386_nacl_info): Likewise.
3131	* sparc.cc (Target_sparc::sparc_info): Likewise.
3132	* tilegx.cc (Target_tilegx::tilegx_info): Likewise.
3133	* x86_64.cc: (Target_x86_64::x86_64_info) Likewise.
3134	(Target_x86_64_nacl::x86_64_nacl_info) Likewise.
3135	* testsuite/testfile.cc (Target_test::test_target_info): Likewise.
3136
31372013-07-22  Sterling Augustine  <saugustine@google.com>
3138
3139	* dwarf_reader.cc (Dwarf_pubnames_table::read_section):
3140	Convert parameter shndx to local variable. Add parameters symtab
3141	and symtab_size.  Scan over section names.  Find relocation
3142	section corresponding to current section.  Create and initialize
3143	reloc_mapper_ and reloc_type_.
3144	(Dwarf_pubnames_table::read_header):  Add assertion.  Change
3145	unit_length to off_t.  Initialize member unit_length_.  Fill in field
3146	cu_offset_.
3147	* dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
3148	Initialize new fields unit_length_ and cu_offset_.
3149	(Dwarf_pubnames_table::read_section): Update prototype.
3150	(Dwarf_pubnames_table::cu_offset): New member function.
3151	(Dwarf_pubnames_table::subsection_size): Likewise.
3152	(Dwarf_pubnames_table::cu_offset_, Dwarf_pubnames_table::unit_length):
3153	New fields.
3154	(Dwarf_info_reader::symtab, Dwarf_info_reader::symtab_size): Make
3155	member functions public.
3156	* gdb_index.cc (Gdb_index_info_reader::read_pubnames_and_pubtypes):
3157	Update comment.  Rework logic.  Move repeated parts to...
3158	(Gdb_index_info_reader::read_pubtable): ...here. New function.
3159	(Gdb_index::Gdb_index): Initialize new fields, pubnames_table_,
3160	pubtypes_table_, and stmt_list_offset.
3161	(Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
3162	Gdb_index::find_pubtype_offset,
3163	Gdb_index::map_pubnames_and_types_to_dies): Define new functions.
3164	(Gdb_index::pubnames_read): Update prototype and rework logic.
3165	* gdb_index.h (Gdb_index_info_reader, Dwarf_pubnames_table):
3166	Forward declare.
3167	(Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
3168	Gdb_index::find_pubtype_offset, Gdb_index::pubnames_table)
3169	Gdb_index::pubtypes_table, Gdb_index::map_pubnames_and_types_to_dies,
3170	Gdb_index::map_pubtable_to_dies):
3171	Declare functions.
3172	(Gdb_index::pubnames_read): Update declaration.
3173	(Gdb_index::Pubname_offset_map): New type.
3174	(Gdb_index::cu_pubname_map_, Gdb_index::cu_pubtype_map_,
3175	Gdb_index::pubnames_table_, Gdb_index::pubtypes_table_,
3176	Gdb_index::stmt_list_offset): Declare.
3177	(Gdb_index::pubnames_shndx_, Gdb_index::pubnames_offet_,
3178	Gdb_index::pubtypes_object_, Gdb_index::pubtypes_shndx_)
3179	Gdb_index::pubtypes_offset_): Remove.
3180
31812013-07-19  Roland McGrath  <mcgrathr@google.com>
3182
3183	* options.h (General_options): Add -Trodata-segment option.
3184	* parameters.cc (Parameters::check_rodata_segment): New function.
3185	(Parameters::set_target_once): Call it.
3186	* parameters.h (Parameters): Declare it (private member function).
3187	* layout.cc (load_seg_unusable_for_headers): New function, broken
3188	out of Layout::relaxation_loop_body.  If TARGET->isolate_execinstr()
3189	then validate rodata segment rather than text segment.
3190	(relaxation_loop_body): Call that.
3191	(is_text_segment): New function.  Don't admit a non-executable
3192	segment if TARGET->isolate_execinstr().
3193	(set_segment_offsets): Call it.  Honor -Trodata-segment option.
3194
31952013-07-15  Shawn Landden  <shawnlandden@gmail.com>
3196
3197	PR gold/15070
3198	* fileread.h (File_read::get_view): Clarify comment about ALIGNED.
3199	* nacl.h (Sniff_file::View::View): Request aligned view.
3200
32012013-07-11  Cary Coutant  <ccoutant@google.com>
3202
3203	* powerpc.cc (Target_powerpc::write_branch_lookup_table): Use
3204	correct BRLT entry size.
3205
32062013-07-03  Alan Modra  <amodra@gmail.com>
3207
3208	* powerpc.cc (Target_powerpc::Relocate::relocate): Update self-call
3209	comment.
3210
32112013-07-01  Cary Coutant  <ccoutant@google.com>
3212
3213	* dwarf_reader.cc (Dwarf_ranges_table::read_ranges_table): Save
3214	reloc_type_.
3215	(Dwarf_ranges_table::read_range_list): Call lookup_reloc.
3216	(Dwarf_ranges_table::lookup_reloc): New function.
3217	* dwarf_reader.h (Dwarf_ranges_table::Dwarf_ranges_table): Initialize
3218	reloc_type_.
3219	(Dwarf_ranges_table::lookup_reloc): New function.
3220	(Dwarf_ranges_table::reloc_type_): New data member.
3221
32222013-06-27  Jing Yu  <jingyu@google.com>
3223
3224	PR gold/15662
3225	* powerpc.cc (Output_data_brlt_powerpc::reset_brlt_sizes): New
3226	function.
3227	(Output_data_brlt_powerpc::finalize_brlt_sizes): New function.
3228	(Target_powerpc::do_relax): Call the above.
3229
32302013-06-27  Cary Coutant  <ccoutant@google.com>
3231
3232	* powerpc.cc (Target_powerpc::symval_for_branch): Don't assert
3233	on garbage collected .opd section.
3234
32352013-06-27  Alan Modra  <amodra@gmail.com>
3236
3237	* powerpc.cc (Target_powerpc::do_gc_add_reference): Test dst_shndx
3238	is non-zero.
3239	(Target_powerpc::do_gc_mark_symbols): Likewise for sym->shndx().
3240	(Target_powerpc::do_function_location): Likewise for loc->shndx.
3241
32422013-06-14  Cary Coutant  <ccoutant@google.com>
3243
3244	* resolve.cc (Symbol::override_base): Don't override st_type
3245	from plugin placeholder symbols.
3246	(Symbol_table::resolve): Likewise.
3247	(Symbol_table::should_override): Don't complain about TLS mismatch
3248	if the TO symbol is a plugin placeholder.
3249	* testsuite/Makefile.am (plugin_test_tls): New test.
3250	* testsuite/Makefile.in: Regenerate.
3251	* testsuite/plugin_test_tls.sh: New test script.
3252	* testsuite/two_file_test_2_tls.cc: New test source.
3253	* testsuite/two_file_test_tls.cc: New test source.
3254
32552013-06-05  Alexander Ivchenko  <alexander.ivchenko@intel.com>
3256
3257	* layout.cc (Layout::set_segment_offsets): Taking care of the case when
3258	the maximum segment alignment is larger than the page size.
3259	* testsuite/Makefile.am (large_symbol_alignment): Test that Gold
3260	correctly aligns the symbols with large alignemnt.
3261	* testsuite/Makefile.in: Regenerate.
3262	* testsuite/large_symbol_alignment.cc: New file.
3263
32642013-05-30  Alexander Ivchenko  <alexander.ivchenko@intel.com>
3265	    Sriraman Tallam  <tmsriram@google.com>
3266
3267	* options.h (sort_section): New option.
3268	* output.h (Input_section_sort_section_prefix_special_ordering_compare):
3269	Rename from Input_section_sort_section_name_special_ordering_compare.
3270	(Input_section_sort_section_name_compare): New struct.
3271	* output.cc (Output_section::Input_section_sort_section_name_compare::
3272	operator()): New function.
3273	(Output_section::sort_attached_input_sections): Use new sort function
3274	for .text if --sort-section=name is specified.
3275	* layout.cc (Layout::make_output_section):
3276	Add sorting by name when --sort-section=name is specified.
3277	* testsuite/Makefile.am (text_section_grouping): Test option
3278	--sort-section=name.
3279	* testsuite/Makefile.in: Regenerate.
3280	* testsuite/section_sorting_name.cc: New file.
3281	* testsuite/section_sorting_name.sh: New file.
3282
32832013-05-21  Cary Coutant  <ccoutant@google.com>
3284
3285	* symtab.h (Symbol::is_cxx_vtable): New function.
3286	* target-reloc.h (relocate_section): Check for vtable symbol.
3287	* testsuite/Makefile.am (missing_key_func.sh): New test case.
3288	* testsuite/Makefile.in: Regenerate.
3289	* testsuite/missing_key_func.cc: New test source.
3290	* testsuite/missing_key_func.sh: New test script.
3291
32922013-05-21  Cary Coutant  <ccoutant@google.com>
3293
3294	* object.cc (Sized_relobj_file::get_symbol_location_info): Set
3295	type of enclosing symbol.
3296	(Relocate_info::location): Check symbol type when describing symbol.
3297	* object.h (Symbol_location_info): Remove unused line_number;
3298	add enclosing_symbol_type.
3299	* testsuite/debug_msg.sh: Adjust expected output.
3300
33012013-05-13  Cary Coutant  <ccoutant@google.com>
3302
3303	* configure.ac: Export DEFAULT_TARGET.
3304	* configure: Regenerate.
3305	* Makefile.in: Regenerate.
3306	* testsuite/Makefile.am: Add .EXPORT_ALL_VARIABLES.
3307	* testsuite/Makefile.in: Regenerate.
3308	* testsuite/debug_msg.sh: Delete duplicate tests.
3309	Don't check undef_int error message match for powerpc where the
3310	source file and line number aren't available.
3311
33122013-05-10  Roland McGrath  <mcgrathr@google.com>
3313
3314	* options.h (General_options): Add --rosegment-gap option.
3315	* options.cc (finalize): --rosegment-gap implies --rosegment.
3316	* layout.cc (set_segment_offsets): Let user option override
3317	target->rosegment_gap().
3318
33192013-05-10  Roland McGrath  <mcgrathr@google.com>
3320
3321	* options.h (General_options): Remove leading space from help
3322	messages for -nostdlib and --rosegment.
3323
33242013-05-03  Maciej W. Rozycki  <macro@codesourcery.com>
3325
3326	PR ld/15365
3327	* layout.cc (Layout::finalize): Make __ehdr_start STV_HIDDEN.
3328
33292013-05-03  Alan Modra  <amodra@gmail.com>
3330
3331	* merge.cc (Output_merge_string::do_add_input_section): Correct
3332	scan for number of strings.  Rename vars to avoid shadowing.
3333	Include missing terminator in input_size_.
3334
33352013-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3336
3337	* merge.cc (Output_merge_string<Char_type>::do_add_input_section):
3338	Restore empty string handling.
3339
33402013-05-01  Cary Coutant  <ccoutant@google.com>
3341
3342	* stringpool.cc (Stringpool_template::new_key_offset): Fix
3343	uninitialized warning.
3344
33452013-04-29  Alexander Ivchenko  <alexander.ivchenko@intel.com>
3346
3347	* output.cc (Output_section::add_merge_input_section): Allow
3348	to merge sections if the alignment is more than character size.
3349	* merge.h (Output_merge_string::Output_merge_string): Remove
3350	assert.
3351	* merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count
3352	only not-null strings. Check the alignment of strings.
3353	* stringpool.h
3354	(Stringpool_template<Stringpool_char>::Stringpool_template): Add
3355	alignment as the argument.
3356	(Stringpool_template<Stringpool_char>::addralign_): New class member.
3357	* stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset):
3358	Align non-zero length strings according to the addralign_.
3359	(Stringpool_template<Stringpool_char>::set_string_offsets):
3360	Updating offsets according to the given alignment.
3361	* testsuite/Makefile.am (text_section_grouping): Test if string
3362	literals are getting merged.
3363	* testsuite/Makefile.in: Regenerate.
3364	* testsuite/merge_string_literals_1.c: New file.
3365	* testsuite/merge_string_literals_2.c: Ditto.
3366	* testsuite/merge_string_literals.sh: Ditto.
3367
33682013-04-26  Ian Lance Taylor  <iant@google.com>
3369
3370	* target-reloc.h (relocate_section): If the reloc offset is out of
3371	range, pass VIEW as NULL to relocate.relocate.
3372	* arm.cc (Target_arm:Relocate::relocate): Check for a NULL view.
3373	* i386.cc (Target_i386::Relocate::relocate): Likewise.
3374	* powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3375	* sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3376	* tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
3377	* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3378
33792013-04-26  Geoff Pike  <gpike@chromium.org>
3380
3381	* gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks().
3382	* layout.cc (Hash_task): New class.
3383	(Layout::queue_build_id_tasks): New function.
3384	(Layout::write_build_id): Handle single-thread portion of build ID
3385	computation.  (In some cases, all of it is single-threaded.)  Replace
3386	{sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same
3387	functionality in fewer lines of code.
3388	* layout.h (Layout::queue_build_id_tasks): New function declaration.
3389	* options.h (General_options): make "--build-id" default to tree
3390	rather than sha1.  Add two new options related to --build-id=tree:
3391	--build-id-chunk-size-for-treehash and
3392	--build-id-min-file-size-for-treehash.
3393	* Makefile.am: add testing of --build-id=tree and related new options
3394	(these tests will be invoked by "make check").
3395	* Makefile.in: Regenerate.
3396
33972013-04-25  Alan Modra  <amodra@gmail.com>
3398
3399	* configure.tgt: Add powerpcle and powerpc64le.
3400
34012013-04-22  Alan Modra  <amodra@gmail.com>
3402
3403	PR gold/15355
3404	* layout.cc (Layout::segment_precedes): Allow more than one
3405	segment with the same type and flags.
3406
34072013-04-15  Cary Coutant  <ccoutant@google.com>
3408
3409	* layout.cc (Layout::set_relocatable_section_offsets): Don't
3410	allocate space in file for BSS sections.
3411
34122013-04-15  Cary Coutant  <ccoutant@google.com>
3413
3414	* script-sections.cc (Orphan_output_section): Reset address
3415	to zero after each orphaned section for relocatable links.
3416
34172013-04-15  Cary Coutant  <ccoutant@google.com>
3418
3419	* symtab.cc (Symbol_table::sized_write_globals): Subtract
3420	section starting address for relocatable link.
3421	* testsuite/Makefile.am (script_test_11): New test.
3422	* testsuite/Makefile.in: Regenerate.
3423	* testsuite/script_test_11.c: New source file.
3424	* testsuite/script_test_11.t: New linker script.
3425
34262013-04-13  Alan Modra  <amodra@gmail.com>
3427
3428	* powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
3429	owner when sections are not adjacent and exceed group size.
3430	(Target_powerpc::group_sections): Handle corner case.
3431	(Target_powerpc::Branch_info::make_stub): Handle case where
3432	stub table doesn't exist due to branches in non-exec sections.
3433	(Target_powerpc::Relocate::relocate): Likewise.
3434
34352013-04-11  Alan Modra  <amodra@gmail.com>
3436
3437	PR gold/15354
3438	* powerpc.cc (Target_powerpc::make_brlt_section): Name section
3439	.branch_lt to match bfd ld.  Adjust comments throughout file.
3440
34412013-04-04  Ian Lance Taylor  <iant@google.com>
3442
3443	GCC PR c++/56840
3444	* object.cc (do_layout_deferred_sections): Handle .eh_frame
3445	sections before checking whether they are included in the link.
3446
34472013-03-29  Sriraman Tallam  <tmsriram@google.com>
3448
3449	* archive.cc (Archive::get_elf_object_for_member):  Create the elf
3450	object before calling the plugin claim_file handler.  Pass the elf
3451	object of the archive to the plugin. Delete the elf object if the
3452	plugin claims the file.
3453
34542013-03-21  Alan Modra  <amodra@gmail.com>
3455
3456	* layout.cc (Layout::set_segment_offsets): Accept writable .text
3457	segment when omagic.
3458
34592013-03-21  Alan Modra  <amodra@gmail.com>
3460
3461	* dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
3462	comparison warning.
3463	* layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
3464	uninitialized" warning.
3465
34662013-03-20  Alan Modra  <amodra@gmail.com>
3467
3468	* symtab.h (Symbol::clear_version): New function.
3469	* symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
3470	is_needed by weak references.  Clear version for symbols defined
3471	in as-needed objects that are not needed.
3472
34732013-03-15  Alan Modra  <amodra@gmail.com>
3474
3475	* powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
3476	static and public.  Add report_err param.  Return false for data refs.
3477	(Target_powerpc::rela_dyn_section): New overloaded function.
3478	(Target_powerpc::plt_, iplt_): Elucidate.
3479	(Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
3480	(Output_data_plt_powerpc::do_write): Don't write .iplt.
3481	(Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
3482	(Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
3483	calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
3484	push_branch and make_plt_entry for ifunc syms when
3485	reloc_needs_plt_for_ifunc.
3486	(Target_powerpc::Relocate::relocate): Don't use plt entry value
3487	for ifunc unless reloc_needs_plt_for_ifunc.
3488
34892013-03-15  Alan Modra  <amodra@gmail.com>
3490
3491	* gc.h (gc_process_relocs): Don't look through function descriptors.
3492	* icf.cc (get_section_contents): Do so here instead.
3493
34942013-03-13  Alan Modra  <amodra@gmail.com>
3495
3496	* powerpc.cc (is_branch_reloc): Forward declare.
3497	(Target_powerpc::do_can_check_for_function_pointers): New predicate.
3498	(Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
3499	false for 64-bit, true for 32-bit non-branch relocs.
3500	(Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
3501	* testsuite/Makefile.am (icf_test): Use linker map file instead of
3502	nm output.
3503	(icf_safe_test): Generate linker map file as well as nm output.
3504	(icf_safe_so_test): Likewise.
3505	* testsuite/Makefile.in: Regenerate.
3506	* testsuite/icf_test.sh: Parse linker map file to determine
3507	section folding.
3508	* testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
3509	* testsuite/icf_safe_so_test.sh: Likewise.
3510	(X86_32_or_ARM_specific_safe_fold): Merge into..
3511	(arch_specific_safe_fold): ..this.
3512	(X86_64_specific_safe_fold): Delete unused function.
3513
35142013-03-12  Alan Modra  <amodra@gmail.com>
3515
3516	* gc.h (gc_process_relocs): Look through function descriptors
3517	to determine shndx, symvalue and addend used by ICF.  Tidy
3518	variable duplication.
3519
35202013-03-11  Alan Modra  <amodra@gmail.com>
3521
3522	* gold.cc (queue_middle_tasks): Move detect_odr_violations..
3523	* layout.cc (Layout_task_runner::run): ..to here.
3524	* symtab.h (struct Symbol_location): Extract from..
3525	(class Symbol_table): ..here.
3526	* symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
3527	* target.h (class Target): Add function_location and
3528	do_function_location functions.
3529	(class Sized_target): Add do_function_location.
3530	* object.h (class Sized_relobj_file): Move find_shdr..
3531	(class Object): ..to here.
3532	* object.cc: Likewise.  Update to suit.  Instantiate.
3533	(Sized_relobj_file::find_eh_frame): Update find_shdr call.
3534	* powerpc.cc (class Powerpc_dynobj): New.
3535	(Target_powerpc::do_function_location): New function.
3536	(Powerpc_relobj::do_find_special_sections): Update find_shdr call.
3537	(Powerpc_dynobj::do_read_symbols): New function.
3538	(Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
3539
35402013-03-08  Ian Lance Taylor  <iant@google.com>
3541
3542	* options.cc (General_options::string_to_object_format): Accept
3543	"default".
3544
35452013-03-08  Alan Modra  <amodra@gmail.com>
3546
3547	* ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
3548	pointer to Post_fde.
3549	(struct Post_fde): Move definition to here..
3550	* ehframe.cc (struct Post_fde): ..from here.
3551	(Cie::write): Don't alloc Post_fde.
3552	(Eh_frame::do_sized_write): Update.  Don't free Post_fde.
3553
35542013-03-07  Alan Modra  <amodra@gmail.com>
3555
3556	* testsuite/discard_locals_relocatable_test.c: Add a powerpc
3557	relocation referencing .LC0.
3558	* testsuite/discard_locals_test.sh: Remove FIXMEs.
3559
35602013-03-07  Alan Modra  <amodra@gmail.com>
3561
3562	* testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
3563	always_inline.  Add assembly for powerpc to avoid GOT.
3564
35652013-03-07  Alan Modra  <amodra@gmail.com>
3566
3567	* testsuite/script_test_10.sh: Don't test .bss section
3568	header number.
3569
35702013-03-06  Alan Modra  <amodra@gmail.com>
3571
3572	* powerpc.cc (class Powerpc_relobj): Move some member functions.
3573	(Target_powerpc::symval_for_branch):  Add symtab param.  Update
3574	all callers.  Handle folded sections.
3575	(Target_powerpc::do_gc_add_reference): Don't cast dynamic object
3576	to Powerpc_relobj.
3577	(Global_symbol_visitor_opd::operator()): Likewise.
3578
35792013-03-04  Alan Modra  <amodra@gmail.com>
3580
3581	* testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
3582	* testsuite/Makefile.in: Regenerate.
3583
35842013-03-01  Cary Coutant  <ccoutant@google.com>
3585
3586	Add dwp support for v2 DWARF package file format.
3587	* dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
3588	tu_length parameter.  Adjust all callers.
3589	* dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
3590	* dwp.cc: Include dwarf.h.
3591	(Section_bounds): New struct type.
3592	(Unit_set): New struct type.
3593	(Dwo_file::Dwo_file): Initialize new data member.
3594	(Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
3595	Combine and rename to...
3596	(Dwo_file::read_unit_index): ...this.
3597	(Dwo_file::sized_read_compunit_index)
3598	(Dwo_file::sized_read_typeunit_index): Combine and rename to...
3599	(Dwo_file::sized_read_unit_index): ...this.
3600	(Dwo_file::copy_section): Remove section_name, is_str_offsets
3601	parameters; add section_id parameter.
3602	(Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
3603	(Dwo_file::add_unit_set): ...this.
3604	(Dwo_file::shndx_map_): Remove.
3605	(Dwo_file::sect_offsets_): New data member.
3606	(Dwp_output_file::Dwp_output_file): Initialize new data members.
3607	(Dwp_output_file::add_section): Rename to...
3608	(Dwp_output_file::add_contribution): ...this.
3609	(Dwp_output_file::add_cu_set): Combine parameters into a struct.
3610	(Dwp_output_file::add_tu_set): Likewise.
3611	(Dwp_output_file::Contribution): New type.
3612	(Dwp_output_file::Section::contributions): New data member.
3613	(Dwp_output_file::Cu_or_tu_set): Remove.
3614	(Dwp_output_file::Section::Section): New ctor.
3615	(Dwp_output_file::Dwp_index::Shndx_pool): Remove.
3616	(Dwp_output_file::Dwp_index::Section_table): New type.
3617	(Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
3618	(Dwp_output_file::Dwp_index::enter_set): Change type of "set"
3619	parameter.
3620	(Dwp_output_file::Dwp_index::shndx_pool): Remove.
3621	(Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
3622	(Dwp_output_file::Dwp_index::section_table): New member function.
3623	(Dwp_output_file::Dwp_index::section_table_end): New member function.
3624	(Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
3625	(Dwp_output_file::Dwp_index::section_table_rows): New member function.
3626	(Dwp_output_file::Dwp_index::section_table_cols): New member function.
3627	(Dwp_output_file::Dwp_index::shndx_pool_): Remove.
3628	(Dwp_output_file::Dwp_index::section_table_): New data member.
3629	(Dwp_output_file::Dwp_index::section_mask_): New data member.
3630	(Dwp_output_file::add_output_section): New member function.
3631	(Dwp_output_file::write_new_section): New member function.
3632	(Dwp_output_file::write_contributions): New member function.
3633	(Dwp_output_file::section_id_map_): New data member.
3634	(class Dwo_id_info_reader): Remove.
3635	(class Unit_reader): New class.
3636	(get_dwarf_section_name): New function.
3637	(Dwo_file::read_executable): Adjust initializations of class data.
3638	(Dwo_file::read): Add support for v2 package file format.
3639	(Dwo_file::read_unit_index): Likewise.
3640	(Dwo_file::sized_read_unit_index): Likewise.
3641	(Dwo_file::copy_section): Likewise.
3642	(Dwo_file::add_unit_set): Likewise.
3643	(Dwp_output_file::add_output_section): Likewise.
3644	(Dwp_output_file::add_contribution): Likewise.
3645	(Dwp_output_file::Dwp_index::find_or_add): Use row index to check
3646	for empty slot.
3647	(Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
3648	file format.
3649	(Dwp_output_file::Dwp_index::grow): Use row index to check for empty
3650	slot.
3651	(Dwp_output_file::initialize): Remove unused function.
3652	(Dwp_output_file::finalize): Add support for v2 package file format.
3653	(Dwp_output_file::write_index): Likewise.
3654	* gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
3655	function prototype.
3656
36572013-03-01  Cary Coutant  <ccoutant@google.com>
3658
3659	* dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
3660	function into class definition in header file.
3661	(Dwarf_info_reader::warn_corrupt_debug_section): New function.
3662	* dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
3663	New function.
3664	(Dwarf_info_reader::check_buffer): Move here from .cc file.
3665
36662013-02-28  Alan Modra  <amodra@gmail.com>
3667
3668	* target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
3669	* target.cc (Target::do_plt_fde_location): New function.
3670	* ehframe.h (class FDE): Add post_map field to u_.from_linker,
3671	accessor function, and constructor param.
3672	(struct Post_fde, Post_fdes): Declare.
3673	(Cie::write): Add post_fdes param.
3674	* ehframe.cc (Fde::write): Use plt_fde_location.
3675	(struct Post_fde): Define.
3676	(Cie::write): Stash FDEs added post merge mapping.
3677	(Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
3678	Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
3679	(Eh_frame::do_sized_write): Arrange to write post map FDES after
3680	other FDEs.
3681	* powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
3682	(Target_powerpc::has_glink): New function.
3683	(Target_powerpc::do_relax): Add eh_frame info for stubs.
3684	(struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
3685	glink_eh_frame_fde_32, default_fde): New data.
3686	(Stub_table::eh_frame_added_): New var.
3687	(Stub_table::find_long_branch_entry, stub_address, stub_offset):
3688	Make const.
3689	(Stub_table::add_eh_frame): New function.
3690	(Output_data_glink::add_eh_frame): New function.
3691	(Target_powerpc::make_glink_section): Call add_eh_frame.
3692
36932013-02-15  Ian Lance Taylor  <iant@google.com>
3694
3695	* options.h (DEFINE_uint64_alias): Define.
3696	(class General_options): Add -Ttext-segment as an alias for
3697	-Ttext.
3698
36992013-02-15  Alan Modra  <amodra@gmail.com>
3700
3701	* powerpc.cc (Stub_table::plt_off): New function, extracted from..
3702	(Stub_table::do_write): ..here, two places.
3703	(Stub_table::plt_call_size): Use it here too.
3704
37052013-02-11  Ian Lance Taylor  <iant@google.com>
3706
3707	* descriptors.cc (Descriptors::close_all): New function.
3708	* descriptors.h (class Descriptors): Declare close_all.
3709	(close_all_descriptors): New inline function.
3710	* plugin.cc: Include "descriptors.h".
3711	(Plugin_manager::cleanup): Call close_all_descriptors.
3712
37132013-02-06  Alan Modra  <amodra@gmail.com>
3714
3715	* README: Update coding style link.
3716
37172013-01-28  Cary Coutant  <ccoutant@google.com>
3718
3719	* dwp.cc (File_list): New typedef.
3720	(Dwo_name_info_reader): New class.
3721	(Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
3722	(Dwo_id_info_reader::visit_top_die): Remove unused member function.
3723	(Dwo_file::~Dwo_file): Delete input_file_ after obj_.
3724	(Dwo_file::read_executable): New function.
3725	(Dwo_file::read): Move common setup code to ...
3726	(Dwo_file::make_object): ... here.
3727	(dwp_options): Add --exec/-e.
3728	(usage): Likewise.
3729	(main): Likewise.
3730
37312013-01-24  Sriraman Tallam  <tmsriram@google.com>
3732
3733	* layout.cc (Layout::layout): Check for option text_reorder.
3734	(Layout::make_output_section): Ditto.
3735	* options.h (text_reorder): New option.
3736	* output.cc (Input_section_sort_compare): Remove special ordering
3737	of section names.
3738	(Output_section::
3739	 Input_section_sort_section_name_special_ordering_compare::
3740	 operator()): New function.
3741	(Output_section::sort_attached_input_sections): Use new sort function
3742	for .text.
3743	* output.h (Input_section_sort_section_name_special_ordering_compare):
3744	New struct.
3745	* testsuite/Makefile.am (text_section_grouping): Test option
3746	--no-text-reorder
3747	* testsuite/Makefile.in: Regenerate.
3748	* testsuite/text_section_grouping.sh: Check order of functions without
3749	default text reordering.
3750
37512013-01-18  Mike Frysinger  <vapier@gentoo.org>
3752
3753	* options.h (General_options): Change default to true for new_dtags.
3754
37552013-01-18  Mike Frysinger  <vapier@gentoo.org>
3756
3757	* layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
3758	when enable_new_dtags is false.  Only add DT_RUNPATH when
3759	enable_new_dtags is true.
3760
37612013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
3762
3763	* powerpc.cc (Stub_table::find_plt_call_entry): Make types
3764	used in declaration and definition consistent.
3765	(Target_powerpc::symval_for_branch): Ditto.
3766
37672013-01-16  Sriraman Tallam  <tmsriram@google.com>
3768
3769	* testsuite/plugin_final_layout.cc: Fix comment.
3770
37712013-01-16  Sriraman Tallam  <tmsriram@google.com>
3772
3773	* layout.cc (Layout::layout): Do not do default sorting for
3774	text sections when section ordering is specified.
3775	(make_output_section): Ditto.
3776	* testsuite/plugin_final_layout.cc: Name the function sections
3777	to catch reordering issues.
3778
37792013-01-15  Alan Modra  <amodra@gmail.com>
3780
3781	* powerpc.cc (Target_powerpc::do_relax): Default shared libs to
3782	plt-thread-safe.
3783
37842013-01-15  Alan Modra  <amodra@gmail.com>
3785
3786	* testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
3787	* testsuite/Makefile.in: Regenerate.
3788
37892013-01-14  Alan Modra  <amodra@gmail.com>
3790
3791	* testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
3792	* testsuite/Makefile.in: Regenerate.
3793
37942013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
3795
3796	PR bfd/14430
3797	Fix mingw gold build with plugins enabled
3798	* Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
3799	* configure.ac: Export DLOPEN_LIBS and add headers check.
3800	* plugin.cc: Handle non-dlfcn case.
3801	* Makefile.in: Regenerate.
3802	* config.in: Regenerate.
3803	* configure: Regenerate.
3804	* testsuite/Makefile.in: Regenerate.
3805
38062013-01-09  Sriraman Tallam  <tmsriram@google.com>
3807
3808	* output.h (sort_attached_input_sections): Change to be public.
3809	* script-sections.cc
3810	(Output_section_definition::set_section_addresses): Sort
3811	attached input sections according to section order before linker
3812	script assigns section addresses.
3813	(Orphan_output_section::set_section_addresses): Sort
3814	attached input sections according to section order before linker
3815	script assigns section addresses.
3816	* Makefile.am (final_layout.sh): Use a simple linker script to
3817	check if section ordering still works.
3818	* Makefile.in: Regenerate.
3819
38202013-01-09  Ben Cheng  <bccheng@google.com>
3821
3822	* arm.cc (Target_arm::attributes_accept_div): New function.
3823	(Target_arm::attributes_forbid_div): New function.
3824	(Target_arm::merge_object_attributes): Merge the Tag_DIV_use
3825	attribute using the same new functions as what bfd/elf32_arm.c
3826	does.
3827
38282013-01-07  Cary Coutant  <ccoutant@google.com>
3829
3830	PR gold/14993
3831	* output.cc (Output_section::add_input_section): For incremental
3832	updates, don't track input sections that are allocated from patch
3833	space.
3834
38352013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3836	    Ian Lance Taylor  <iant@google.com>
3837
3838	PR gold/14897
3839	* configure.ac (--enable-ld): Removed.
3840	(install_as_default): Set to yes only for --enable-gold=default
3841	or --disable-ld.
3842	* configure: Regenerated.
3843
38442013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3845
3846	* options.h (General_options): Add -fuse-ld= for GCC linker
3847	option compatibility.
3848
38492013-01-04  Cary Coutant  <ccoutant@google.com>
3850
3851	* configure.ac: Fix typo restoring CXXFLAGS.
3852	* configure: Regenerate.
3853
38542013-01-04  Cary Coutant  <ccoutant@google.com>
3855
3856	* testsuite/Makefile.am (CXXLINK_S): New macro.
3857	(debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
3858	* testsuite/Makefile.in: Regenerate.
3859
38602013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
3861
3862	* version.cc (print_version): Update copyright year to 2013.
3863
38642012-12-20  Ian Lance Taylor  <iant@google.com>
3865
3866	* layout.cc (Layout::special_ordering_of_input_section): New
3867	function.
3868	(Layout::layout): If input section requires special ordering, must
3869	sort input sections.
3870	(Layout::make_output_section): May sort .text input sections.
3871	(Layout::is_section_name_prefix_grouped): Remove.
3872	* layout.h (class Layout): Declare
3873	special_ordering_of_input_section.  Don't declare
3874	is_section_name_prefix_grouped.
3875	* output.cc (Output_section::add_input_section): Revert last
3876	change.
3877	(Output_section::Input_section_sort::match_file_name): Don't crash
3878	if called on output section data.
3879	(Output_section::Input_section_sort_compare): Sort based on
3880	special ordering.
3881	(Output_section::Input_section_sort_section_order_index_compare):
3882	Revert last patch.
3883	(Output_section::sort_attached_input_sections): Likewise.
3884
38852012-12-18  Sriraman Tallam  <tmsriram@google.com>
3886
3887	* layout.cc (Layout::is_section_name_prefix_grouped): New function.
3888	* layout.h (Layout::is_section_name_prefix_grouped): New function.
3889	* output.cc (Output_section::add_input_section): Check if section
3890	name contains special prefix.  Keep input sections to sort such
3891	sections.
3892	(Output_section::Input_section_sort_section_order_index_compare
3893	 ::operator()): Group sections according to prefixes.
3894	(Output_section::sort_attached_input_sections): Add condition to
3895	Input_section_entry constructor call.
3896	* testsuite/Makefile.am (text_section_grouping): New test.
3897	* testsuite/Makefile.in: Regenerate.
3898	* testsuite/text_section_grouping.cc: New file.
3899	* testsuite/text_section_grouping.sh: New file.
3900
39012012-12-17  Nick Clifton  <nickc@redhat.com>
3902
3903	* Makefile.am: Add copyright notice.
3904	* NEWS: Likewise.
3905	* README: Likewise.
3906	* configure.ac: Likewise.
3907	* ftruncate.c: Likewise.
3908	* Makefile.in: Regenerate.
3909
39102012-12-14  Cary Coutant  <ccoutant@google.com>
3911
3912	* testsuite/Makefile.am (exception_separate_shared_12_test): Add
3913	--no-as-needed flag.
3914	(exception_separate_shared_12_test): Likewise.
3915	(incremental_copy_test): Likewise.
3916	* testsuite/Makefile.in: Regenerate.
3917
39182012-12-14  Cary Coutant  <ccoutant@google.com>
3919
3920	* dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
3921	(Dwp_output_file::Dwp_index::enter_set): Add assert.
3922
39232012-12-12  Alan Modra  <amodra@gmail.com>
3924
3925	* powerpc.cc (class Track_tls): New.
3926	(class Relocate, class Scan): Inherit Track_tls.
3927	(Target_powerpc::Scan::local, global): Track tls optimization
3928	and avoid creating plt entry for __tls_get_addr if all uses
3929	are optimized away.
3930	(Target_powerpc::Relocate::relocate): Update to use Track_tls.
3931
39322012-12-12  Alan Modra  <amodra@gmail.com>
3933
3934	* options.h (General_options): Add --toc-sort/--no-toc-sort.
3935	Replace no_toc_optimize with toc_optimize.
3936	* output.h (Output_section::input_sections): Provide non-const variant.
3937	* powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
3938	set_has_small_toc_reloc, has_small_toc_reloc): New variable and
3939	accessors.
3940	(Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
3941	(class Sort_toc_sections): New.
3942	(Target_powerpc::do_finalize_sections): Sort toc sections.
3943	(Target_powerpc::Relocate::relocate): Update toc_optimize test.
3944
39452012-12-10  Roland McGrath  <mcgrathr@google.com>
3946
3947	* testsuite/binary_unittest.cc (read_all): New function.
3948	(Sized_binary_test): Use it instead of ::read.
3949	* fileread.cc (do_read): Don't assume pread always reads the whole
3950	amount in a single call.
3951
39522012-12-10  Alan Modra  <amodra@gmail.com>
3953
3954	* powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
3955	Set EM_PPC64 or EM_PPC here.
3956	(Target_selector_powerpc::do_recognize): Delete.
3957
39582012-12-10  Alan Modra  <amodra@gmail.com>
3959
3960	* powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
3961	stub_table_.
3962	(Target_powerpc::Branch_info::make_stub): Don't omit addend.
3963
39642012-12-07  Roland McGrath  <mcgrathr@google.com>
3965
3966	* testsuite/binary_unittest.cc (Sized_binary_test):
3967	Use open_descriptor rather than ::open.
3968
39692012-12-07  Alan Modra  <amodra@gmail.com>
3970
3971	* powerpc.cc (Stub_table::do_write): Delete redundant Address
3972	typedef and invalid_address constant.
3973	(Output_data_glink, Stub_table, Target_powerpc): Explicitly
3974	instantiate constants.
3975
39762012-12-06  Roland McGrath  <mcgrathr@google.com>
3977
3978	* configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
3979	Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
3980	* aclocal.m4: Regenerate.
3981	* configure: Regenerate.
3982	* Makefile.in: Regenerate.
3983	* testsuite/Makefile.in: Regenerate.
3984
39852012-12-07  Alan Modra  <amodra@gmail.com>
3986
3987	* options.h (General_options): Add no_toc_optimize.
3988	* powerpc.cc (ok_lo_toc_insn): New function.
3989	(Target_powerpc::Relocate::relocate): Optimize toc access sequences.
3990
39912012-12-06  Alan Modra  <amodra@gmail.com>
3992
3993	* options.h (General_options): Add plt_align, plt_static_chain,
3994	plt_thread_safe.  Update stub_group_size help text.
3995	* powerpc.cc (Target_powerpc::plt_thread_safe): New access function
3996	for new plt_thread_safe_ var.
3997	(use_plt_offset): Correct comments.
3998	(Target_powerpc::do_relax): Look for thread creation symbols to
3999	determine default plt_thread_safe value.  Clear plt call stubs
4000	as well as branch stubs each iteration.
4001	(add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
4002	insn constants.
4003	(l, hi, ha, write_insn): Move earlier.
4004	(Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
4005	(Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
4006	plt stubs too.
4007	(Stub_table::update_size): Adjust.
4008	(Stub_table::prev_size, set_prev_size): Delete.
4009	(Stub_table::stub_align): Let --plt-align affect result.
4010	(Stub_table::plt_call_size): Calculate sizes for various stubs.
4011	(Stub_table::branch_stub_size): Use last_plt_size in address calc.
4012	(Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
4013	(Stub_table::do_write): Support more stub variants.
4014
40152012-12-04  Alan Modra  <amodra@gmail.com>
4016
4017	* powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
4018	(Target_powerpc::do_define_standard_symbols): New function.
4019
40202012-12-03  Alan Modra  <amodra@gmail.com>
4021
4022	* output.h: Formatting, whitespace.
4023
40242012-12-03  Alan Modra  <amodra@gmail.com>
4025
4026	* layout.h (Layout::get_executable_sections): Declare.
4027	* layout.cc (Layout::get_executable_sections): New function.
4028	* arm.cc (Target_arm::group_sections): Use it.
4029	(Arm_output_section::group_sections): Delete now redundant test.
4030	* output.cc (Output_reloc::Output_reloc): Add is_relative.
4031	param to handle relative relocs.
4032	* output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
4033	(Output_data_reloc::add_absolute): Adjust.
4034	(Output_data_reloc::add_relative): New function.
4035	(Output_data::reset_data_size): New function.
4036	(Output_relaxed_input_section::set_relobj, set_shndx): New functions.
4037	(Output_section::set_addralign): New function.
4038	(Output_section::checkpoint_set_addralign): New function.
4039	(Output_section::clear_section_offsets_need_adjustment): New function.
4040	(Output_section::input_sections): Make public.
4041	* powerpc.cc (class Output_data_brlt_powerpc): New.
4042	(class Stub_table, class Stub_control): New.
4043	(Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
4044	stub_table_, set_stub_table, stub_table): New vectors and accessor
4045	functions.
4046	(Target_powerpc::do_may_relax, do_relax, push_branch,
4047	new_stub_table, stub_tables, brlt_section, group_sections,
4048	add_branch_lookup_table, find_branch_lookup_table,
4049	write_branch_lookup_table, make_brlt_section): New functions.
4050	(Target_powerpc::struct Sort_sections, class Branch_info): New.
4051	(Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
4052	branch_info_): New vars.
4053	(Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
4054	make call stubs here.
4055	(Output_data_glink): Remove all call stub handling from this class.
4056	(Target_powerpc::Scan::local, global): Save interesting branch
4057	relocs and relocs for ifunc.  Adjust calls to plt entry functions.
4058	(Target_powerpc::do_finalize_sections): Only make reg save/restore
4059	functions on final link.
4060	(Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
4061	Handle long branch destinations too.
4062	(Target_powerpc::do_dynsym_value, do_plt_address_for_global,
4063	do_plt_address_for_local): Adjust lookup of plt call stubs.
4064
40652012-11-30  Alan Modra  <amodra@gmail.com>
4066
4067	* powerpc.c (Target_powerpc::Scan::global): Don't emit relative
4068	relocs against protected symbols when building 32-bit shared libs.
4069
40702012-11-30  Alan Modra  <amodra@gmail.com>
4071
4072	* powerpc.cc (Target_powerpc::make_plt_section): Add symtab
4073	param.  Call got_section() to make .got.  Update all callers
4074	and their callers and so on.
4075
40762012-11-30  Alan Modra  <amodra@gmail.com>
4077
4078	* powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
4079	_GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
4080	(Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
4081	value if it already exists.
4082
40832012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
4084
4085	PR gold/14858
4086	* x86_64.cc (Relocate::tls_ld_to_le): Support x32.
4087
40882012-11-14  Roland McGrath  <mcgrathr@google.com>
4089
4090	* arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
4091	than bfc instruction for data sandboxing.
4092
40932012-11-08  Alan Modra  <amodra@gmail.com>
4094
4095	* po/POTFILES.in: Regenerate.
4096
40972012-11-05  Alan Modra  <amodra@gmail.com>
4098
4099	* configure.ac: Apply 2012-09-10 change to config.in here.
4100	* configure: Regenerate.
4101
41022012-11-05  Alan Modra  <amodra@gmail.com>
4103
4104	* powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
4105	(struct Opd_ent): Use "Address" rather than "Offset".
4106	(Output_data_got_powerpc::got_base_offset): Return Valtype.
4107	(Target_powerpc::got_section): Make public.
4108	(Target_powerpc::scan_relocs): Move code setting symbols..
4109	(Powerpc_relobj::do_scan_relocs): ..to here, new function.
4110	Create _SDA_BASE_ only when referenced.
4111
41122012-11-02  Roland McGrath  <mcgrathr@google.com>
4113
4114	* i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
4115	from last change.
4116
41172012-11-01  Roland McGrath  <mcgrathr@google.com>
4118
4119	* target.h (Sized_target::relocate_relocs): Use Elf_Off
4120	for offset_in_output_section parameter.
4121	(Sized_target::relocate_special_relocatable): Likewise.
4122	* arm.cc (Target_arm::relocate_relocs): Likewise.
4123	(Target_arm::relocate_special_relocatable): Likewise.
4124	* i386.cc (Target_i386::relocate_relocs): Likewise.
4125	* powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
4126	* sparc.cc (Target_sparc::relocate_relocs): Likewise.
4127	* target-reloc.h (relocate_relocs): Likewise.
4128	* testsuite/testfile.cc (Target_test): Likewise.
4129	* tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
4130	* x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
4131
4132	* system.h: Move inclusion of <clocale> to after <libintl.h> in
4133	[ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
4134
4135	* descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
4136	parameter, which is unused in the [!F_SETFD] case.
4137
4138	* dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
4139	SYMNDX to off_t before comparing it to this->data_size().
4140	* output.cc (Output_symtab_xindex::endian_do_write): Likewise.
4141	* incremental.cc (Output_section_incremental_inputs::do_write):
4142	Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
4143
4144	* nacl.cc: Include "libiberty.h" for vasprintf declaration.
4145
41462012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
4147
4148	* gold.cc (Target_arm::do_adjust_elf_header): Add the
4149	hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
4150	in EABI_VER5.
4151
41522012-10-29  Cary Coutant  <ccoutant@google.com>
4153
4154	* dwp.cc (usage): Add file and exit status parameters;
4155	add --help and --version options.
4156	(print_version): New function.
4157	(main): Add --help and --version options.
4158
41592012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
4160
4161	* testsuite/Makefile.am (MOSTLYCLEANFILES): Add
4162	final_layout_sequence.txt.
4163	* testsuite/Makefile.in: Regenerated.
4164
41652012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
4166
4167	* testsuite/Makefile.am (COMPILE1): New variable. Renamed from
4168	COMPILE generated by automake.
4169	(LINK1): Likewise.
4170	(CXXCOMPILE1): Likewise.
4171	(CXXLINK1): Likewise.
4172	(COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
4173	(LINK): Likewise.
4174	(CXXCOMPILE): Likewise.
4175	(CXXLINK): Likewise.
4176	* testsuite/Makefile.in: Regenerated.
4177
41782012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
4179
4180	* dwp.cc (Dwo_file::record_target_info): Issue a fatal error
4181	on bad fwrite return.
4182
41832012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
4184
4185	* dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
4186	on val.
4187
41882012-10-23  Cary Coutant  <ccoutant@google.com>
4189
4190	* testsuite/Makefile.am (TEST_OBJCOPY): New macro.
4191	* testsuite/Makefile.in: Regenerate.
4192	* testsuite/dwp_test.h: New source file.
4193	* testsuite/dwp_test_1.cc: New source file.
4194	* testsuite/dwp_test_1.s: New source file.
4195	* testsuite/dwp_test_1.sh: New source file.
4196	* testsuite/dwp_test_1b.cc: New source file.
4197	* testsuite/dwp_test_1b.s: New source file.
4198	* testsuite/dwp_test_2.cc: New source file.
4199	* testsuite/dwp_test_2.s: New source file.
4200	* testsuite/dwp_test_2.sh: New source file.
4201	* testsuite/dwp_test_main.cc: New source file.
4202	* testsuite/dwp_test_main.s: New source file.
4203
42042012-10-23  Cary Coutant  <ccoutant@google.com>
4205
4206	* dwp.h: New header file.
4207	* dwp.cc: New source file.
4208	* gold.h: Move shared declarations to system.h.
4209	* system.h: New header file.
4210	* Makefile.am: Add dwp.
4211	* Makefile.in: Regenerate.
4212
42132012-10-23  Cary Coutant  <ccoutant@google.com>
4214
4215	* dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
4216	Dwarf_info_reader::read_from_pointer.
4217	(Dwarf_pubnames_table::read_header): Likewise.
4218	(Dwarf_pubnames_table::next_name): Likewise.
4219	(Dwarf_die::read_attributes): Likewise.
4220	(Dwarf_die::skip_attributes): Likewise.
4221	(Dwarf_info_reader::read_from_pointer): New function template.
4222	* dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
4223	(Dwarf_pubnames_table): Likewise.
4224	(Dwarf_info_reader::read_from_pointer): New function template.
4225	* gdb-index.cc (Gdb_index_info_reader): Adjust call to
4226	Dwarf_pubnames_table ctor.
4227
42282012-10-23  Cary Coutant  <ccoutant@google.com>
4229
4230	* dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
4231	abbrev_shndx.
4232	* dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
4233	abbrev_shndx_.
4234	(Dwarf_info_reader::set_abbrev_shndx): New method.
4235	(Dwarf_info_reader::abbrev_shndx_): New data member.
4236
42372012-10-23  Cary Coutant  <ccoutant@google.com>
4238
4239	* dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
4240	from object, not parameters.
4241	(Dwarf_info_reader::parse): Likewise.
4242	* object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
4243	(Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
4244	(Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
4245	methods.
4246
42472012-10-23  Cary Coutant  <ccoutant@google.com>
4248
4249	* fileread.cc (Input_file::Input_file): New constructor.
4250	* fileread.h (class Input_file): Add new constructor.
4251
42522012-10-18  Alan Modra  <amodra@gmail.com>
4253
4254	PR gold/14727
4255	* object.cc (Relobj::is_section_name_included): Also match
4256	.sdata personality section.
4257
42582012-10-18  Alan Modra  <amodra@gmail.com>
4259
4260	* target-reloc.h (class Default_comdat_behavior): New, package up..
4261	(get_comdat_behaviour): ..this.
4262	(relocate_section): Add Relocate_comdat_behavior template arg,
4263	adjust code to suit.
4264	* arm.cc (Target_arm::relocate_section): Adjust to suit.
4265	(Target_arm::scan_reloc_section): Likewise.
4266	* i386.cc (Target_i386::relocate_section): Likewise.
4267	* sparc.cc (Target_sparc::relocate_section): Likewise.
4268	* tilegx.cc (Target_tilegx::relocate_section): Likewise.
4269	* x86_64.cc (Target_x86_64::relocate_section): Likewise.
4270	* powerpc.cc (class Relocate_comdat_behavior): New.
4271	(Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
4272	gold::relocate_section with new template arg.
4273
42742012-10-18  Alan Modra  <amodra@gmail.com>
4275
4276	* powerpc.cc (Target_powerpc::Scan::local, global): Always emit
4277	dynamic relocs for GOT_TPREL got entries, without symbol if
4278	resolving locally.
4279	(Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
4280	(Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
4281	(Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
4282
42832012-10-17  Alan Modra  <amodra@gmail.com>
4284
4285	PR gold/14726
4286	* gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
4287
42882012-10-16  Sriraman Tallam  <tmsriram@google.com>
4289
4290	* layout.cc (Layout::include_section): Keep sections marked
4291	SHF_EXCLUDE when doing relocatable links.
4292
42932012-10-16  Alan Modra  <amodra@gmail.com>
4294
4295	* powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
4296	(Target_powerpc::do_finalize_sections): Call it.
4297	(Output_data_save_res): New class and supporting functions.
4298	(Target_powerpc::symval_for_branch): Only look up .opd entry for
4299	normal symbols defined in object files.
4300
43012012-10-12  Alan Modra  <amodra@gmail.com>
4302
4303	* powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
4304	(struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
4305	(Target_powerpc::do_gc_mark_symbol): Delay marking function code
4306	section if scan_opd_relocs not yet called.
4307	(Target_powerpc::gc_process_relocs): Call process_gc_mark.
4308
43092012-10-12  Alan Modra  <amodra@gmail.com>
4310
4311	* powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
4312	add_local_ifunc_entry): Revert last change.
4313	(Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
4314
43152012-10-05  Alan Modra  <amodra@gmail.com>
4316
4317	* powerpc.cc (Target_powerpc::do_plt_address_for_local,
4318	do_plt_address_for_global): New functions.
4319	(Output_data_got_powerpc::do_write): Don't segfault when linking
4320	statically.
4321	(Output_data_plt_powerpc::add_entry, add_ifunc_entry,
4322	add_local_ifunc_entry): Return true on adding entry..
4323	(Target_powerpc::make_plt_entry): ..use to avoid unnecessary
4324	glink->add_entry call.  Remove unused symtab param.  Adjust calls.
4325	(Target_powerpc::make_local_ifunc_plt_entry): Likewise.
4326	(Target_powerpc::make_iplt_section): Remove symtab param.  Don't
4327	set up symbols here.
4328	(Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
4329	syms here.  Do so even when no .iplt.  Don't segfault when linking
4330	statically.
4331	(Output_data_glink::add_entry, find_entry): Rearrange params.  Add
4332	new variants without reloc param.
4333	(Glink_sym_ent::Glink_sym_ent): Likewise.
4334	(Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
4335	reloc when refs will resolve to plt call stub.
4336	(Target_powerpc::Scan::local): Correct ifunc handling.  Allow
4337	R_PPC_PLTREL24 to resolve locally.
4338	(Target_powerpc::Scan::global): Correct ifunc handling.
4339	(Target_powerpc::Relocate::relocate): Correct local sym glink
4340	lookup.  Don't destroy "value" when we have a plt call stub,
4341	and when checking plt call validity.
4342	(Target_powerpc::do_dynsym_value): Simplify.
4343
43442012-10-05  Alan Modra  <amodra@gmail.com>
4345
4346	* i386.cc (Output_data_plt_i386::address_for_global,
4347	address_for_local): Add plt offset to returned value.  Adjust uses.
4348	* sparc.cc (Output_data_plt_sparc::address_for_global,
4349	address_for_local): Likewise.
4350	* tilegx.cc (Output_data_plt_tilegx::address_for_global,
4351	address_for_local): Likewise.
4352	* x86_64.cc (Output_data_plt_x86_64::address_for_global,
4353	address_for_local): Likewise.
4354	* target.h (Target::plt_address_for_global, plt_address_for_local):
4355	Update comment.
4356	* output.cc (Output_reloc::symbol_value): Don't add plt offset here.
4357	(Output_data_got::Got_entry::write): Nor here.
4358	* output.h: Comment fix.
4359
43602012-10-02  Jiong Wang  <jiwang@tilera.com>
4361
4362	* tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
4363	global_offset_table_ value for larget got.
4364	(Target_tilegx::Relocate::relocate): Handle adjusted got value.
4365
43662012-09-29  Alan Modra  <amodra@gmail.com>
4367
4368	* powerpc.cc (Target_powerpc::iplt_): New output section.
4369	(Target_powerpc::iplt_section, make_iplt_section,
4370	reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
4371	(Target_powerpc::make_plt_entry): Handle ifunc syms.
4372	Target_powerpc::plt_entry_count): Count iplt entries too.
4373	(Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
4374	reloc section in constructor.  New params.
4375	(Target_powerpc::make_plt_section): Create reloc section here instead.
4376	(Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
4377	functions.
4378	(Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
4379	(Output_data_glink::add_entry, find_entry): New functions to
4380	deal with local syms.
4381	(Glink_sym_ent): Add support for local syms.
4382	(Output_data_glink::do_write): Handle ifunc plt entries.
4383	(Target_powerpc::Scan::get_reference_flags): Handle more relocs.
4384	(Target_powerpc::Scan::local, global): Handle ifunc syms.
4385	(Target_powerpc::Relocate::relocate): Likewise.
4386	(Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
4387
43882012-09-25  Alan Modra  <amodra@gmail.com>
4389
4390	* object.h (Sized_relobj_file::adjust_local_symbol,
4391	do_adjust_local_symbol): New functions.
4392	* object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
4393	* powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
4394	(Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
4395	and irregular opd entry spacing.
4396	(Powerpc_relobj::do_read_relocs): Add opd size checks.
4397	(Global_symbol_visitor_opd): New functor.
4398	(Target_powerpc::do_finalize_sections): Omit global symbols defined
4399	on deleted opd entries.
4400
44012012-09-15  Jiong Wang  <jiwang@tilera.com>
4402
4403	* tilegx.cc: New file.
4404	* Makefile.am (TARGETSOURCES): Add tilegx.cc
4405	(ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
4406	* configure.tgt: Add entries for tilegx*.
4407	* configure.ac: Likewise.
4408	* Makefile.in: Rebuild.
4409	* configure: Likewise.
4410	* testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
4411	tilegx.
4412
44132012-09-13  Alan Modra  <amodra@gmail.com>
4414
4415	* target-reloc.h (scan_relocs): Call scan.local for relocs
4416	against symbols in discarded sections.  Pass is_discarded
4417	param.
4418	* arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
4419	Add is_discarded param.
4420	* powerpc (Target_powerpc::Scan::local): Likewise.  Use
4421	is_discarded to flag opd entry as discarded.  Don't emit dyn
4422	relocs on such entries.
4423	(Target_powerpc::Scan::global): Similarly detect and handle
4424	such opd entries.
4425	(Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
4426	opd_ent_.  Update all uses.
4427	(Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
4428	(Target_powerpc::relocate_section): Zero out discarded opd
4429	entry relocs.
4430
44312012-09-12  Ian Lance Taylor  <iant@google.com>
4432
4433	PR gold/14570
4434	* output.cc: Rename Output_data_got template parameter from size
4435	to got_size for all functions.  Compile all variants of
4436	Output_data_got.
4437	(Output_data_got::Got_entry::write): Correct use of size for
4438	symbol value.  Use local_is_tls rather than casting to
4439	Sized_relobj_file.
4440	* object.h (class Object): Add local_is_tls and do_local_is_tls.
4441	(class Sized_relobj_file): Add do_local_is_tls.
4442	* incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
4443
44442012-09-11  Alan Modra  <amodra@gmail.com>
4445
4446	PR gold/14566
4447	* layout.cc (Layout::set_segment_offsets): When using
4448	common-page-size alignment, ensure we are on a new max-page-size
4449	page.
4450	* output.cc (Output_segment::set_section_addresses): Use
4451	abi_pagesize, not common_pagesize for relro boundary.
4452	(Output_segment::set_offset): Likewise.
4453
44542012-09-11  Alan Modra  <amodra@gmail.com>
4455
4456	* output.h (Output_data_got::add_global_tls, add_local_tls,
4457	add_local_tls_pair): New functions.
4458	(Output_data_got::add_local_pair_with_rel): Remove second
4459	reloc param.  Expand comment.
4460	(Output_data_got::Got_entry): Rename use_plt_offset_ to
4461	use_plt_or_tls_offset_, similarly for constructor param.
4462	(Output_data_got::Got_entry::write): Add got_index param.
4463	* output.cc (Output_data_got::add_global_tls, add_local_tls,
4464	add_local_tls_pair): New functions.
4465	(Output_data_got::Got_entry::write): Handle tls symbols
4466	with use_plt_or_tls_offset_ set specially.
4467	(Output_data_got::add_local_pair_with_rel): Only one reloc.
4468	(Output_data_got::do_write): Replace iterator with index, pass
4469	index to entry write function.
4470	* target.h (Target::tls_offset_for_local, tls_offset_for_global,
4471	do_tls_offset_for_local, do_tls_offset_for_global): New functions.
4472	* arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
4473	call.
4474	* i386.cc (Target_i386::Scan::local): Likewise.
4475	* sparc.cc (Target_sparc::Scan::local): Likewise.
4476	* x86_64.cc (Target_x86_64::Scan::local): Likewise.
4477	* powerpc.cc (Target_powerpc::do_tls_offset_for_local,
4478	do_tls_offset_for_global): New functions.
4479	(Target_powerpc::Scan::local): Correct TLS relocations and got
4480	entry values.
4481	(Target_powerpc::Scan::global): Don't emit unnecessary
4482	dynamic relocations on TLS GOT entries.
4483
44842012-09-10  Matthias Klose  <doko@ubuntu.com>
4485
4486	* config.in: Disable sanity check for kfreebsd.
4487
44882012-09-10  Sterling Augustine  <saugustine@google.com>
4489
4490	* gdb-index.cc (Gdb_index::pubnames_read): New parameter.
4491	(Gdb_index::pubtypes_read): New parameter.
4492	(Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
4493	to calls.
4494	* gdb-index.h (Gdb_index): New fields pubnames_object_ and
4495	pubtypes_object_.
4496
44972012-09-09  Alan Modra  <amodra@gmail.com>
4498
4499	* target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
4500	(Sized_target::gc_add_reference, do_gc_add_reference): New functions.
4501	* gc.h (gc_process_relocs): Call target gc_add_reference.
4502	* gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
4503	* symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
4504	(Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
4505	unnecessary cast.
4506	* powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
4507	to cater for when we don't need code offset.  Update use.
4508	(Powerpc_relobj::access_from_map_, opd_valid_): New vars.
4509	(Powerpc_relobj::access_from_map, add_reference, opd_valid,
4510	set_opd_valid): New functions.
4511	(Target_powerpc::do_gc_add_reference): New function.
4512	(Target_powerpc::gc_process_relocs): Call gc()->add_reference on
4513	stashed refs.
4514	(Target_powerpc::do_gc_mark_symbol): New function.
4515
45162012-09-06  Cary Coutant  <ccoutant@google.com>
4517
4518	* dwarf_reader.cc (Dwarf_die::read_attributes): Add
4519	DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
4520	(Dwarf_die::skip_attributes): Likewise.
4521	* object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
4522	* testsuite/gdb_index_test.cc (inline_func_1): New function.
4523	(main): Call it.
4524	* testsuite/gdb_index_test_comm.sh: Check index for inline function.
4525
45262012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
4527
4528	* testsuite/script_test_3.t: Add .got.plt output section
4529	statement.
4530	* testsuite/script_test_4.t: Likewise.
4531
45322012-09-05  Alan Modra  <amodra@gmail.com>
4533
4534	* powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
4535	update all uses and lose "enum" when using type.
4536
45372012-09-05  Alan Modra  <amodra@gmail.com>
4538
4539	* configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
4540	* configure: Regenerate.
4541	* testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
4542	(plugin_final_layout.stdout): Likewise.
4543	(memory_test): Set page sizes to 0x1000.
4544	* testsuite/Makefile.in: Regenerate.
4545	* testsuite/discard_locals_test.sh: Add FIXME comment.
4546	* testsuite/justsyms_exec.c: Disable function test for powerpc64.
4547	* testsuite/pr14265.t: Add .got output section statement.
4548	* testsuite/script_test_2.t: Likewise.
4549	* testsuite/script_test_3.t: Likewise.
4550	* testsuite/script_test_4.t: Likewise.
4551	* testsuite/script_test_5.t: Likewise.
4552	* testsuite/script_test_6.t: Likewise.
4553	* testsuite/script_test_7.t: Likewise.
4554	* testsuite/script_test_9.t: Likewise.
4555
45562012-09-05  Alan Modra  <amodra@gmail.com>
4557
4558	* powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
4559	(Powerpc_relocate_functions::Status): New typedef.
4560	(Target_powerpc::Scan::get_reference_flags): Handle more relocs.
4561	(Target_powerpc::Scan::local): Handle REL64.
4562	(Target_powerpc::Scan::global): Likewise, and dynamic relocs
4563	for REL32 and REL64.
4564	(Target_powerpc::symval_for_branch): New function, extracted from..
4565	(Target_powerpc::Relocate::relocate): ..here.  Correct plt call
4566	checks.  Report overflow errors.
4567
45682012-09-05  Alan Modra  <amodra@gmail.com>
4569
4570	* object.h (Sized_relobj_file::emit_relocs): Delete.
4571	(Sized_relobj_file::emit_relocs_reltype): Delete.
4572	* reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
4573	relocate_relocs for --emit-relocs.
4574	(Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
4575	* output.h: Update comment.
4576	(Output_segment::first_section): New function.
4577	(Output_segment::first_section_load_address): Use first_section.
4578	* output.cc (Output_segment::first_section): New function extracted..
4579	(Output_segment::first_section_load_address): ..from here.  Delete.
4580	* target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
4581	* target.h (Sized_target::relocate_for_relocatable): Likewise.
4582	* arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
4583	adjust call to target.h function.
4584	* i386.cc (Target_i386): Likewise.
4585	* sparc.cc (Target_sparc): Likewise.
4586	* x86_64.cc (Target_x86_64): Likewise.
4587	* powerpc.cc (Target_powerpc): Likewise.
4588	(Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
4589	first tls section has section symbol for optimised local dynamic
4590	output relocs.
4591	(Target_powerpc::Relocate::relocate): Correct local dynamic value.
4592	(Target_powerpc::relocate_relocs): Adjust relocs emitted for
4593	optimised tls code.
4594	* testsuite/testfile.cc (Target_test::relocate_for_relocatable):
4595	Rename to relocate_relocs.  Update error message.
4596
45972012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
4598
4599	* powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
4600	--just-symbols.
4601
46022012-08-31  Alan Modra  <amodra@gmail.com>
4603
4604	* powerpc.cc (Powerpc_relobj): Add and use Address typedef.
4605	(Powerpc_relobj::toc_base_offset): New stub function.
4606	(Target_powerpc): Add tp_offset, dtp_offset.  Rename
4607	got_mod_index_offset to tlsld_got_offset.  Update all refs.
4608	(Target_powerpc::Relocate::enum skip_tls): New.
4609	(Target_powerpc::call_tls_get_addr_): New var.
4610	(Target_powerpc::is_branch_reloc): Move to file scope.
4611	(Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
4612	(Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
4613	New functions.
4614	(Target_powerpc::enum Got_type): Delete old values, add new ones.
4615	(powerpc_info): Correct common_pagesize for ppc64.
4616	(at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
4617	(Powerpc_relocate_functions): Add overflow check enums and functions.
4618	Add non-shift version of rela, rela_ua.  Delete all rel public
4619	functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
4620	addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
4621	addr16_ha3, addr14 functions.
4622	(Output_data_got_powerpc::add_constant_pair): New function.
4623	(Output_data_got_powerpc::got_base_offset): Likewise.
4624	(Output_data_got_powerpc::do_write): Correct 64-bit got header.
4625	(instruction constants): Sort, add some more.
4626	(Output_data_glink::do_write): Add and use Address typedef.  Use
4627	object->toc_base_offset() stub for 64-bit.
4628	(Target_powerpc::tlsld_got_offset): Use add_constant_pair.
4629	(Target_powerpc::Scan::get_reference_flags): Handle more relocs.
4630	(Target_powerpc::Scan::local, global): Emit relative dynamic reloc
4631	for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
4632	Always treat .opd relocs as against locally defined symbol.
4633	Correct condition for RELATIVE relocs.
4634	(Target_powerpc::do_finalize_sections): Test for NULL sections.
4635	(Target_powerpc::Relocate::relocate): Use plt call stub as value
4636	for 32-bit syms with a plt entry.  Correct ppc64 toc base
4637	calculations.  Handle TLS relocs, and more.  Add overflow
4638	checking and adjust for Powerpc_relocate_functions changes.
4639	(Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
4640	Reinstate --emit-relocs code with FIXME.
4641
46422012-08-30  Alan Modra  <amodra@gmail.com>
4643
4644	* layout.cc (Layout::set_segment_offsets): Set p_align to
4645	abi_pagesize, not common_pagesize.
4646	(Layout::relaxation_loop_body): Similarly use abi_pagesize
4647	to determine whether file header can go in segment.
4648
46492012-08-30  Alan Modra  <amodra@gmail.com>
4650
4651	* output.h (Output_reloc::Output_reloc <output section>): Add
4652	is_relative param.  Adjust calls.
4653	(Output_reloc::add_output_section_relative): New functions.
4654	* output.cc (Output_reloc::Output_reloc <output section>): Handle
4655	is_relative.
4656	(Output_reloc::symbol_value): Handle SECTION_CODE.
4657
46582012-08-24  Sriraman Tallam  <tmsriram@google.com>
4659
4660	* gold.cc (queue_middle_tasks): Call layout again when unique
4661	segments for sections is desired.
4662	* layout.cc (Layout::Layout): Initialize new members.
4663	(Layout::get_output_section_flags): New function.
4664	(Layout::choose_output_section): Call get_output_section_flags.
4665	(Layout::layout): Make output section for mapping to a unique segment.
4666	(Layout::insert_section_segment_map): New function.
4667	(Layout::attach_allocated_section_to_segment): Make unique segment for
4668	output sections marked so.
4669	(Layout::segment_precedes): Check for unique segments when sorting.
4670	* layout.h (Layout::Unique_segment_info): New struct.
4671	(Layout::Section_segment_map): New typedef.
4672	(Layout::insert_section_segment_map): New function.
4673	(Layout::get_output_section_flags): New function.
4674	(Layout::is_unique_segment_for_sections_specified): New function.
4675	(Layout::set_unique_segment_for_sections_specified): New function.
4676	(Layout::unique_segment_for_sections_specified_): New member.
4677	(Layout::section_segment_map_): New member.
4678	* object.cc (Sized_relobj_file<size, big_endian>::do_layout):
4679	Rename is_gc_pass_one to is_pass_one.
4680	Rename is_gc_pass_two to is_pass_two.
4681	Rename is_gc_or_icf to is_two_pass.
4682	Check for which pass based on whether symbols data is present.
4683	Make it two pass when unique segments for sections is desired.
4684	* output.cc (Output_section::Output_section): Initialize new
4685	members.
4686	* output.h (Output_section::is_unique_segment): New function.
4687	(Output_section::set_is_unique_segment): New function.
4688	(Output_section::is_unique_segment_): New member.
4689	(Output_section::extra_segment_flags): New function.
4690	(Output_section::set_extra_segment_flags): New function.
4691	(Output_section::extra_segment_flags_): New member.
4692	(Output_section::segment_alignment): New function.
4693	(Output_section::set_segment_alignment): New function.
4694	(Output_section::segment_alignment_): New member.
4695	(Output_segment::Output_segment): Initialize is_unique_segment_.
4696	(Output_segment::is_unique_segment): New function.
4697	(Output_segment::set_is_unique_segment): New function.
4698	(Output_segment::is_unique_segment_): New member.
4699	* plugin.cc (allow_unique_segment_for_sections): New function.
4700	(unique_segment_for_sections): New function.
4701	(Plugin::load): Add new functions to transfer vector.
4702	* Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
4703	* Makefile.in: Regenerate.
4704	* testsuite/plugin_final_layout.sh: Check if unique segment
4705	functionality works.
4706	* testsuite/plugin_section_order.c (onload): Check if new interfaces
4707	are available.
4708	(allow_unique_segment_for_sections): New global.
4709	(unique_segment_for_sections): New global.
4710	(claim_file_hook): Call allow_unique_segment_for_sections.
4711	(all_symbols_read_hook): Call unique_segment_for_sections.
4712
47132012-08-22  Cary Coutant  <ccoutant@google.com>
4714
4715	* layout.cc (Layout::include_section): Don't assert on GROUP
4716	sections with --emit-relocs.
4717
47182012-08-21  Cary Coutant  <ccoutant@google.com>
4719
4720	* symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
4721	if --export-dynamic-symbol names an undef symbol.
4722
47232012-08-18  Alan Modra  <amodra@gmail.com>
4724
4725	* powerpc.cc: Formatting and white space.
4726	(Powerpc_relobj): Rename got2_section_ to special_.
4727	Add opd_ent_shndx_ and opd_ent_off_ vectors.
4728	(Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
4729	scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
4730	(Target_powerpc): Add Address typedef and invalid_address.  Use
4731	throughout.
4732	(Target_powerpc::is_branch_reloc): New function.
4733	(Powerpc_relocate_functions): Add Address typedef, use throughout.
4734	(Powerpc_relocate_functions:rela, rela_ua): Correct type used
4735	for dst_mask, value and addend.
4736	(Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
4737	(ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
4738	(Output_data_glink::do_write): Correct toc base.  Don't try to use
4739	uint16_t for 24-bit offset.  Use get_output_section_offset and
4740	check return.
4741	(Target_powerpc::Scan::local): Handle more relocs.
4742	(Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
4743	(Target_powerpc::Relocate::relocate): Correct toc base calculation.
4744	Plug in toc restoring insn after plt calls.  Translate branches
4745	to function descriptor symbols to corresponding entry point.
4746	(Target_powerpc::relocate_for_relocatable): Check return from
4747	get_output_section_offset.
4748	* symtab.h: Comment typo.
4749
47502012-08-14  Ian Lance Taylor  <iant@google.com>
4751
4752	* x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
4753	unsupported_relocal_local to call unsupported_reloc_global.
4754
47552012-08-14  Nick Clifton  <nickc@redhat.com>
4756
4757	PR ld/14265
4758	* script-sections.cc (Sections_element::output_section_name): Add
4759	keep return parameter.
4760	(Output_section_element::match_name): Add keep return parameter.
4761	Return the value of the keep_ member.
4762	* script-sections.h (class Output_section): Update
4763	output_section_name prototype.
4764	* layout.cc (Layout::keep_input_section): New public member
4765	function.
4766	(Layout::choose_output_section): Pass keep parameter to
4767	output_section_name.
4768	* layout.h (class Layout): Add keep_input_section.
4769	* object.cc (Sized_relobj_file::do_layout): Check for kept input
4770	sections.
4771	* testsuite/Makefile.am: Add a test.
4772	* testsuite/Makefile.in: Regenerate.
4773	* testsuite/pr14265.c: Source file for the test.
4774	* testsuite/pr14265.t: Linker script for the test.
4775	* testsuite/pr14265.sh: Shell script for the test.
4776
47772012-08-14  Alan Modra  <amodra@gmail.com>
4778
4779	* target.h (Target::output_section_name): New function.
4780	(Target::do_output_section_name): New function.
4781	* layout.cc (Layout::choose_output_section): Call the above.
4782	* powerpc.cc (Target_powerpc::do_output_section_name): New function.
4783
47842012-08-14  Alan Modra  <amodra@gmail.com>
4785
4786	* powerpc.cc: Update for renamed R_PPC_REL16 relocs.
4787	(Output_data_got_powerpc::do_write): Don't rely on base class lookup
4788	for replace_constant call.
4789	(Output_data_plt_powerpc::do_print_to_mapfile): New function.
4790	(Output_data_glink::do_print_to_mapfile): New function.
4791	(Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
4792	(Target_powerpc::Relocate::relocate): Likewise.
4793
47942012-08-14  Alan Modra  <amodra@gmail.com>
4795
4796	* powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
4797	(Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
4798	(Output_data_glink::add_entry,find_entry): Remove shndx param.
4799	(class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
4800	all references to shndx_.  Handle special case for R_PPC_PLTREL24
4801	here.
4802	(class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
4803	(Output_data_glink::do_write): Retrieve got2_shdnx from object.
4804	(Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
4805	here.
4806	(Target_powerpc::Scan::global): Nor on make_plt_entry call.
4807	(Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
4808
48092012-08-12  Alan Modra  <amodra@gmail.com>
4810
4811	* powerpc.cc: Whitespace fixes.  Wrap overly long lines.
4812	(glink insn constants): Use uint32_t.
4813	(Output_data_glink::add_entry): Use insert, not [] operator.
4814
48152012-08-11  Alan Modra  <amodra@gmail.com>
4816
4817	* object.h (Sized_relobj_file::find_shdr): New function.
4818	(Sized_relobj_file::find_special_sections): New function.
4819	* object.cc (Sized_relobj_file::find_shdr): New function.
4820	(Sized_relobj_file::find_eh_frame): Use find_shdr.
4821	(Sized_relobj_file::find_special_sections): New function, split out..
4822	(Sized_relobj_file::do_read_symbols): ..from here.
4823	* output.h (Output_data_got::replace_constant): New function.
4824	(Output_data_got::num_entries): New function.
4825	(Output_data_got::last_got_offset,set_got_size): Use num_entries.
4826	(Output_data_got::got_offset): Protected rather than private.
4827	(Output_data_got::replace_got_entry): New function.
4828	* output.cc (Output_data_got::replace_got_entry): New function.
4829	* powerpc.cc (class Powerpc_relobj): New.
4830	(class Powerpc_relocate_functions): Delete all psymval variants or
4831	convert to value,addend type.  Delete pcrela, pcrela_unaligned.
4832	Implement _ha functions using corresponding _hi function.
4833	(Powerpc_relobj::find_special_sections): New function.
4834	(Target_powerpc::do_make_elf_object): New function.
4835	(class Output_data_got_powerpc): New.
4836	(class Output_data_glink): New.
4837	(class Powerpc_scan_relocatable_reloc): New.
4838	Many more changes througout file.
4839
48402012-08-09  Nick Clifton  <nickc@redhat.com>
4841
4842	* po/vi.po: Updated Vietnamese translation.
4843
48442012-08-07  Ian Lance Taylor  <iant@google.com>
4845
4846	* layout.cc (Layout::add_target_dynamic_tags): If
4847	dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
4848	plt_rel.
4849
48502012-07-30  Nick Clifton  <nickc@redhat.com>
4851
4852	* po/gold.pot: Updated template.
4853	* po/es.po: Updated Spanish translation.
4854
48552012-07-18  Cary Coutant  <ccoutant@google.com>
4856
4857	PR gold/14344
4858	* configure.ac: Add check for -gpubnames support.
4859	* configure: Regenerate.
4860	* testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
4861	support; force -gno-pubnames.
4862	(gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
4863	support.
4864	(gdb_index_test_4): New test.
4865	* testsuite/Makefile.in: Regenerate.
4866	* testsuite/gdb_index_test_1.sh: Refactor code into common file.
4867	* testsuite/gdb_index_test_2.sh: Likewise.
4868	* testsuite/gdb_index_test_3.sh: Don't look for space after colon.
4869	* testsuite/gdb_index_test_4.sh: New script.
4870	* testsuite/gdb_index_test_comm.sh: New script with common code;
4871	don't look for space after colon.
4872
48732012-07-16  Sriraman Tallam  <tmsriram@google.com>
4874
4875	* gold.cc (queue_middle_tasks): Update function order only after
4876	deferred objects due to plugins are processed.
4877
48782012-07-11  Ian Lance Taylor  <iant@google.com>
4879
4880	* arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
4881	(Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
4882	(Target_arm::scan_reloc_for_stub): Likewise.
4883	* common.cc (Symbol_table::do_allocate_commons_list): Likewise.
4884	* dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
4885	* ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
4886	* incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
4887	* powerpc.cc (Target_powerpc::relocate_tls): Likewise.
4888
48892012-07-10  Dodji Seketeli  <dodji@redhat.com>
4890	    Ian Lance Taylor  <iant@google.com>
4891
4892	PR gold/14309
4893	* configure.ac: Test whether std::tr1::hash<off_t> works.
4894	* gold.h: Add a specialization for std::tr1::hash<off_t> if
4895	needed.
4896	* output.h (class Output_fill): Add virtual destructor.
4897	* configure, config.in: Rebuild.
4898
48992012-06-22  Roland McGrath  <mcgrathr@google.com>
4900
4901	* layout.cc (finalize): Define __ehdr_start symbol if applicable.
4902
49032012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
4904
4905	* plugin.cc (Plugin::load): Handle position independent executables.
4906
49072012-06-06  Cary Coutant  <ccoutant@google.com>
4908
4909	* layout.cc (gdb_sections): Remove ".debug_" prefixes,
4910	add .debug_macro.
4911	(lines_only_debug_sections): Likewise.
4912	(gdb_fast_lookup_sections): New static array.
4913	(is_gdb_debug_section): Rename formal parameter.
4914	(is_lines_only_debug_section): Likewise.
4915	(is_gdb_fast_lookup_section): New function.
4916	(Layout::include_section): Check for ".zdebug_" prefix; pass
4917	section name suffix to is_gdb_debug_section, et al.; check for
4918	fast-lookup sections when building .gdb_index.
4919	* options.h (--strip-debug-gdb): Update GDB version number.
4920
49212012-06-06  Cary Coutant  <ccoutant@google.com>
4922
4923	* configure.ac: Add check for fallocate.
4924	* configure: Regenerate.
4925	* config.in: Regenerate.
4926
4927	* options.h (class General_options): Add --mmap-output-file and
4928	--posix-fallocate options.
4929	* output.cc: (posix_fallocate): Remove; replace with...
4930	(gold_fallocate): New function.
4931	(Output_file::map_no_anonymous): Call gold_fallocate.
4932	(Output_file::map): Check --mmap-output-file option.
4933
49342012-06-05  Jing Yu  <jingyu@google.com>
4935
4936	* gold.h (textdomain): Add do {} to empty while(0).
4937	(bindtextdomain): Likewise.
4938
49392012-06-04  Cary Coutant  <ccoutant@google.com>
4940
4941	* dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
4942	has_dynsym_index.
4943
49442012-05-25  Sriraman Tallam  <tmsriram@google.com>
4945
4946	* symtab.cc (Symbol_table::define_special_symbol):
4947	Initialize *poldsym to prevent uninitialized variable errors.
4948
49492012-05-23  Cary Coutant  <ccoutant@google.com>
4950
4951	* layout.cc (Layout::section_name_mapping): Add rules to handle
4952	exact match on .data.rel.ro.local or .data.rel.ro.
4953	(Layout::output_section_name): Check for exact matches.
4954
49552012-05-23  Cary Coutant  <ccoutant@google.com>
4956
4957	* layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
4958	more carefully.
4959
49602012-05-22  Cary Coutant  <ccoutant@google.com>
4961
4962	* symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
4963	object before exporting symbol.
4964
49652012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
4966
4967	* testsuite/tls_test.cc: Include "config.h" first.
4968	* testsuite/tls_test_c.c: Likewise.
4969
49702012-05-17  Daniel Richard G.  <skunk@iskunk.org>
4971	    Nick Clifton  <nickc@redhat.com>
4972
4973	PR 14072
4974	* configure.in: Add check that sysdep.h has been included before
4975	any system header files.
4976	* configure: Regenerate.
4977	* config.in: Regenerate.
4978
49792012-05-14  Cary Coutant  <ccoutant@google.com>
4980
4981	* layout.cc (Layout::make_output_section): Mark .tdata section
4982	as RELRO.
4983	* testsuite/relro_test.cc: Add a TLS variable.
4984
49852012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
4986
4987	PR gold/14091
4988	* x86_64.cc (Target_x86_64::Scan::local): For x32, generate
4989	R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
4990	R_X86_64_64.
4991
49922012-05-08  Cary Coutant  <ccoutant@google.com>
4993
4994	* layout.cc (gdb_sections): Update GDB version, add .debug_addr.
4995	(lines_only_debug_sections): Likewise.
4996
49972012-05-02  Roland McGrath  <mcgrathr@google.com>
4998
4999	* nacl.cc: New file.
5000	* nacl.h: New file.
5001	* Makefile.am (CCFILES, HFILES): Add them.
5002	* Makefile.in: Regenerate.
5003	* i386.cc (Output_data_plt_i386_nacl): New class.
5004	(Output_data_plt_i386_nacl_exec): New class.
5005	(Output_data_plt_i386_nacl_dyn): New class.
5006	(Target_i386_nacl): New class.
5007	(Target_selector_i386_nacl): New class.
5008	(target_selector_i386): Use it instead of Target_selector_i386.
5009	* x86_64.cc (Output_data_plt_x86_64_nacl): New class.
5010	(Target_x86_64_nacl): New class.
5011	(Target_selector_x86_64_nacl): New class.
5012	(target_selector_x86_64, target_selector_x32): Use it instead of
5013	Target_selector_x86_64.
5014	* arm.cc (Output_data_plt_arm_nacl): New class.
5015	(Target_arm_nacl): New class.
5016	(Target_selector_arm_nacl): New class.
5017	(target_selector_arm, target_selector_armbe): Use it instead of
5018	Target_selector_arm.
5019
5020	* target-select.cc (select_target): Take new Input_file* and off_t
5021	arguments, pass them on to recognize method of selector.
5022	* object.cc (make_elf_sized_object): Update caller.
5023	* parameters.cc (parameters_force_valid_target): Likewise.
5024	* incremental.cc (make_sized_incremental_binary): Likewise.
5025	* target-select.h: Update decl.
5026	(Target_selector::recognize): Take new Input_file* argument,
5027	pass it on to do_recognize.
5028	(Target_selector::do_recognize): Take new Input_file* argument.
5029	* freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
5030	* powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
5031	* sparc.cc (Target_selector_sparc::do_recognize): Likewise.
5032	* testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
5033
5034	* target.h (Target::Target_info): New members isolate_execinstr
5035	and rosegment_gap.
5036	(Target::isolate_execinstr, Target::rosegment_gap): New methods.
5037	* arm.cc (Target_arm::arm_info): Update initializer.
5038	* i386.cc (Target_i386::i386_info): Likewise.
5039	* powerpc.cc (Target_powerpc::powerpc_info): Likewise.
5040	* sparc.cc (Target_sparc::sparc_info): Likewise.
5041	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5042	* testsuite/testfile.cc (Target_test::test_target_info): Likewise.
5043	* layout.cc (Layout::attach_allocated_section_to_segment):
5044	Take new const Target* argument.  If target->isolate_execinstr(), act
5045	like --rosegment.
5046	(Layout::find_first_load_seg): Take new const Target* argument;
5047	if target->isolate_execinstr(), reject PF_X segments.
5048	(Layout::relaxation_loop_body): Update caller.
5049	(Layout::set_segment_offsets): If target->isolate_execinstr(),
5050	reset file offset to zero when we hit LOAD_SEG, and then do a second
5051	loop over the segments before LOAD_SEG to reassign offsets after
5052	addresses have been determined.  Handle target->rosegment_gap().
5053	(Layout::attach_section_to_segment): Take new const Target* argument;
5054	pass it to attach_allocated_section_to_segment.
5055	(Layout::make_output_section): Update caller.
5056	(Layout::attach_sections_to_segments): Take new const Target* argument;
5057	pass it to attach_section_to_segment.
5058	* gold.cc (queue_middle_tasks): Update caller.
5059	* layout.h (Layout): Update method decls with new arguments.
5060
5061	* arm.cc (Target_arm::Target_arm): Take optional argument for the
5062	Target_info pointer to use.
5063	(Target_arm::do_make_data_plt): New virtual method.
5064	(Target_arm::make_data_plt): New method that calls it.
5065	(Target_arm::make_plt_entry): Use it.
5066	(Output_data_plt_arm::Output_data_plt_arm): Take additional argument
5067	for the section alignment.
5068	(Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
5069	method.
5070	(Output_data_plt_arm::first_plt_entry_offset): Call it.
5071	(Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
5072	method.
5073	(Output_data_plt_arm::get_plt_entry_size): Call it.
5074	(Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
5075	(Output_data_plt_arm::fill_plt_entry): New method that calls it.
5076	(Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
5077	method.
5078	(Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
5079	(Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
5080	method instead of sizeof(plt_entry).
5081	(Output_data_plt_arm::add_entry): Likewise.
5082	Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
5083	(Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
5084	than static method.
5085	(Target_arm::plt_entry_size): Likewise.
5086	(Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
5087	Move to ...
5088	(Output_data_plt_arm_standard): ... here, new class.
5089	(Output_data_plt_arm::do_write): Move guts of PLT filling to...
5090	(Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
5091	(Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
5092
5093	* x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
5094	Take additional argument for the PLT entry size.
5095	(Output_data_plt_x86_64::get_tlsdesc_plt_offset):
5096	Use get_plt_entry_size method rather than plt_entry_size variable.
5097	(Output_data_plt_x86_64::reserve_slot): Likewise.
5098	(Output_data_plt_x86_64::do_adjust_output_section): Likewise.
5099	(Output_data_plt_x86_64::add_entry): Likewise.
5100	(Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
5101	(Output_data_plt_x86_64::address_for_global): Likewise.
5102	(Output_data_plt_x86_64::address_for_local): Likewise.
5103	(Output_data_plt_x86_64::set_final_data_size): Likewise.
5104	(Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
5105	Make method non-static.
5106	(Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
5107	method.
5108	(Output_data_plt_x86_64::get_plt_entry_size): Just call that.
5109	(Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
5110	(Output_data_plt_x86_64::add_eh_frame): New method to call it.
5111	(Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
5112	virtual method.
5113	(Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
5114	(Output_data_plt_x86_64::do_fill_plt_entry): New abstract
5115	virtual method.
5116	(Output_data_plt_x86_64::fill_plt_entry): New method to call it.
5117	(Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
5118	virtual method.
5119	(Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
5120	(Output_data_plt_x86_64::plt_entry_size)
5121	(Output_data_plt_x86_64::first_plt_entry)
5122	(Output_data_plt_x86_64::plt_entry)
5123	(Output_data_plt_x86_64::tlsdesc_plt_entry)
5124	(Output_data_plt_x86_64::plt_eh_frame_fde_size)
5125	(Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
5126	(Output_data_plt_x86_64_standard): ... here, new class.
5127	(Target_x86_64::Target_x86_64): Take optional argument for the
5128	Target_info pointer to use.
5129	(Target_x86_64::do_make_data_plt): New virtual method.
5130	(Target_x86_64::make_data_plt): New method to call it.
5131	(Target_x86_64::init_got_plt_for_update): Use that.
5132	Call this->plt_->add_eh_frame method here.
5133	(Output_data_plt_x86_64::init):	Don't do add_eh_frame_for_plt here.
5134	(Target_x86_64::first_plt_entry_offset): Call method on this->plt_
5135	rather than static method.
5136	(Target_x86_64::plt_entry_size): Likewise.
5137	(Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
5138	rather than plt_entry_size variable.  Move guts of PLT filling to...
5139	(Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
5140	(Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
5141	(Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
5142
5143	* i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
5144	additional argument for the section alignment.
5145	Don't do add_eh_frame_for_plt here.
5146	(Output_data_plt_i386::first_plt_entry_offset): Make the method
5147	non-static.  Use get_plt_entry_size method rather than plt_entry_size
5148	variable.
5149	(Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
5150	method.
5151	(Output_data_plt_i386::get_plt_entry_size): Call it.
5152	(Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
5153	(Output_data_plt_i386::add_eh_frame): New method to call it.
5154	(Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
5155	method.
5156	(Output_data_plt_i386::fill_first_plt_entry): New method to call it.
5157	(Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
5158	method.
5159	(Output_data_plt_i386::fill_plt_entry): New method to call it.
5160	(Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
5161	method instead of plt_entry_size.
5162	(Output_data_plt_i386::plt_entry_size)
5163	(Output_data_plt_i386::plt_eh_frame_fde_size)
5164	(Output_data_plt_i386::plt_eh_frame_fde): Move to ...
5165	(Output_data_plt_i386_standard): ... here, new class.
5166	(Output_data_plt_i386_exec): New class.
5167	(Output_data_plt_i386::exec_first_plt_entry): Move to ...
5168	(Output_data_plt_i386_exec::first_plt_entry): ... here.
5169	(Output_data_plt_i386::exec_plt_entry): Move to ...
5170	(Output_data_plt_i386_exec::plt_entry): ... here.
5171	(Output_data_plt_i386_dyn): New class.
5172	(Output_data_plt_i386::first_plt_entry): Move to ...
5173	(Output_data_plt_i386_dyn::first_plt_entry): ... here.
5174	(Output_data_plt_i386::dyn_plt_entry): Move to ...
5175	(Output_data_plt_i386_dyn::plt_entry): ... here.
5176	(Target_i386::Target_i386): Take optional argument for the Target_info
5177	pointer to use.
5178	(Target_i386::do_make_data_plt): New virtual method.
5179	(Target_i386::make_data_plt): New method to call it.
5180	(Target_i386::make_plt_section): Use that.
5181	Call this->plt_->add_eh_frame method here.
5182	(Output_data_plt_i386::add_entry): Use get_plt_entry_size method
5183	rather than plt_entry_size variable.
5184	(Output_data_plt_i386::add_local_ifunc_entry): Likewise.
5185	(Output_data_plt_i386::address_for_local): Likewise.
5186	(Output_data_plt_i386::do_write): Likewise.
5187	Move guts of PLT filling to...
5188	(Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
5189	(Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
5190	(Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
5191	(Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
5192
51932012-05-01  Cary Coutant  <ccoutant@google.com>
5194
5195	* dwarf_reader.cc (Dwarf_die::read_attributes)
5196	(Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
5197	(Dwarf_die::uint_attribute): Remove DW_FORM_null.
5198	* reduced_debug_output.cc
5199	(Output_reduced_debug_info_section::get_die_end): Remove
5200	DW_FORM_GNU_ref_index.  Add default case.
5201
52022012-04-26  Mark Wielaard  <mjw@redhat.com>
5203
5204	* dwarf_reader.cc (Dwarf_die::address_attribute): New function.
5205	* dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
5206	* gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
5207	DW_AT_high_pc as offset from DW_AT_low_pc.
5208
5209	* testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
5210	* testsuite/Makefile.in: Regenerate.
5211	* testsuite/gdb_index_test_3.c: New test source file.
5212	* testsuite/gdb_index_test_3.sh: New test source file.
5213
52142012-04-25  Ian Lance Taylor  <iant@google.com>
5215
5216	* arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
5217	pointer.
5218	(Stub_addend_reader::operator()): Declare Arm_relocate_functions
5219	as a class, not a struct.
5220	(Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
5221	(Target_arm::apply_cortex_a8_workaround): Likewise.
5222	* gc.h: Declare Reloc_types as a struct, not a class.
5223	* object.h: Declare Symbols_data as a struct.
5224	* reloc.h: Declare Read_relocs_data as a struct.
5225	* target.h: Declare Relocate_info as a struct.
5226
52272012-04-24  David S. Miller  <davem@davemloft.net>
5228
5229	* sparc.cc (Target_sparc::Relocate::relax_call): New function.
5230	(Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
5231	and R_SPARC_WPLT30.
5232
52332012-04-24  Cary Coutant  <ccoutant@google.com>
5234
5235	* incremental-dump.cc (find_input_containing_global): Replace
5236	magic number with symbolic constant.
5237	(dump_incremental_inputs): Update version number.
5238	* incremental.cc (Output_section_incremental_inputs): Update version
5239	number; import symbolic constants from Incremental_inputs_reader.
5240	(Incremental_inputs::create_data_sections): Align relocations
5241	section correctly for 64-bit targets.
5242	(Output_section_incremental_inputs::set_final_data_size): Use symbolic
5243	constants; add padding.
5244	(Output_section_incremental_inputs::write_header): Add assert for
5245	header_size.
5246	(Output_section_incremental_inputs::write_input_files): Add assert
5247	for input_entry_size.
5248	(Output_section_incremental_inputs::write_info_blocks): Add padding;
5249	add assert for object_info_size, input_section_entry_size,
5250	global_sym_entry_size.
5251	* incremental.h (Incremental_inputs_reader): Add symbolic constants
5252	for data structure sizes; use them.
5253	(Incremental_input_entry_reader): Import symbolic constants from
5254	Incremental_inputs_reader; use them.
5255
52562012-04-23  David S. Miller  <davem@davemloft.net>
5257
5258	* sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
5259	and elf_flags_set_.
5260	(Target_sparc::Target_sparc): Initialize new fields.
5261	(Target_sparc::do_make_elf_object): New function.
5262	(Target_sparc::do_adjust_elf_header): New function.
5263
52642012-04-23  Cary Coutant  <ccoutant@google.com>
5265
5266	* gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
5267	CU range table of gdb index.
5268
52692012-04-20  David S. Miller  <davem@davemloft.net>
5270
5271	* target.cc (Sized_target::do_adjust_elf_header): Use big_endian
5272	instead of false.
5273
52742012-04-16  David S. Miller  <davem@davemloft.net>
5275
5276	* sparc.cc (Target_sparc::got_address): New function.
5277	(Sparc_relocate_functions::gdop_hix22): New function.
5278	(Sparc_relocate_functions::gdop_lox10): New function.
5279	(Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
5280	relocs.
5281	(Target_sparc::Scan::local): Likewise if the global symbol is not
5282	preemptible and is not IFUNC.
5283	(Target_sparc::Relocate::relocate): Perform GOTDATA code
5284	transformations for local and non-preemptible non-IFUNC global
5285	symbols.
5286
5287	* gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
5288	writing out 64-bit part of ranges.
5289
5290	* Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
5291	-fpic and -fpie respectively.
5292	* Makefile.in: Regenerate.
5293
5294	* sparc.cc (class Target_sparc): Add rela_ifunc_.
5295	(Target_sparc::Target_sparc): Initialize new field.
5296	(Target_sparc::do_plt_section_for_global): New function.
5297	(Target_sparc::do_plt_section_for_local): New function.
5298	(Target_sparc::reloc_needs_plt_for_ifunc): New function.
5299	(Target_sparc::make_plt_section): New function, broken out of
5300	make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
5301	(Target_sparc::make_plt_entry): Call make_plt_section.
5302	(Target_sparc::make_local_ifunc_plt_entry): New function.
5303	(Target_sparc::rela_ifunc_section): New function.
5304	(Target_sparc::plt_section): Remove const.
5305	(Output_data_plt_sparc): Update declarations.  Define Global_ifunc
5306	and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
5307	and ifunc_count_ fields.
5308	(Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
5309	(Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
5310	(Output_data_plt_sparc::add_local_ifunc_entry): New function.
5311	(Output_data_plt_sparc::rela_ifunc): New function.
5312	(Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
5313	(Output_data_plt_sparc::has_ifunc_section): New function.
5314	(Output_data_plt_sparc::entry_count): Include ifunc_count_.
5315	(Output_data_plt_sparc::address_for_global): New function.
5316	(Output_data_plt_sparc::address_for_local): New function.
5317	(Output_data_plt_sparc::plt_index_to_offset): New function.
5318	(Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
5319	and entry_count.
5320	(Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
5321	entry_count.
5322	(Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
5323	R_SPARC_JMP_IREL to switch.
5324	(Target_sparc::Scan::check_non_pic): Likewise.
5325	(Target_sparc::Scan::local): Handle IFUNC symbols.
5326	(Target_sparc::Scan::local): Likewise.
5327	(Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
5328	and plt_address_for_local.
5329	(Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
5330	Define __rel_iplt_start and __rel_iplt_end if doing a static link.
5331
5332	* output.h (Output_reloc): Allow use_plt_offset for global relocs too.
5333	(class Output_data_reloc): Adjust calls to Output_reloc_type.
5334	(Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
5335	* output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
5336	global relocs too.
5337	(Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
5338	* powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
5339	calls.
5340	* sparc.cc (Target_sparc::Scan::global): Likewise.
5341	* x86_64.cc (Target_x86_64::Scan::global): Likewise.
5342
53432012-04-16  Cary Coutant  <ccoutant@google.com>
5344
5345	* archive.cc (Library_base::should_include_member): Check for
5346	--export-dynamic-symbol.
5347	* options.h (class General_options): Add --export-dynamic-symbol.
5348	* symtab.cc (Symbol::should_add_dynsym_entry): Check for
5349	--export-dynamic-symbol.
5350	(Symbol_table::gc_mark_undef_symbols): Likewise.
5351	(Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
5352
53532012-04-12  David S. Miller  <davem@davemloft.net>
5354
5355	* sparc.cc (Reloc::wdisp10): New relocation method.
5356	(Reloc::h34): Likewise.
5357	(Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
5358	(Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
5359	R_SPARC_WDISP10.
5360	(Target_sparc::Scan::local): Likewise.
5361	(Target_sparc::Scan::global): Likewise.
5362	(Target_sparc::Relocate::relocate): Likewise.
5363
53642012-04-09  Cary Coutant  <ccoutant@google.com>
5365
5366	* gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
5367	low_pc == 0.
5368
53692012-04-06  Ian Lance Taylor  <iant@google.com>
5370
5371	* timer.cc: #include <unistd.h>.
5372
53732012-04-06  Roland McGrath  <mcgrathr@google.com>
5374
5375	* configure.in (AC_CHECK_HEADERS): Add locale.h.
5376	* config.in: Regenerate.
5377	* configure: Regenerate.
5378
53792012-04-05  Nick Clifton  <nickc@redhat.com>
5380
5381	* configure.ac (AC_CHECK_FUNCS): Add setlocale.
5382	(AM_LC_MESSAGES): Add.
5383	* aclocal.m4: Regenerate.
5384	* config.in: Regenerate.
5385	* configure: Regenerate.
5386
53872012-03-21  Cary Coutant  <ccoutant@google.com>
5388
5389	* Makefile.am: Add gdb-index.cc, gdb-index.h.
5390	* Makefile.in: Regenerate.
5391	* dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
5392	(Sized_elf_reloc_mapper::symbol_section): New function.
5393	(Sized_elf_reloc_mapper::do_get_reloc_target): New function.
5394	(make_elf_reloc_mapper): New function.
5395	(Dwarf_abbrev_table::clear_abbrev_codes): New function.
5396	(Dwarf_abbrev_table::do_read_abbrevs): New function.
5397	(Dwarf_abbrev_table::do_get_abbrev): New function.
5398	(Dwarf_ranges_table::read_ranges_table): New function.
5399	(Dwarf_ranges_table::read_range_list): New function.
5400	(Dwarf_pubnames_table::read_section): New function.
5401	(Dwarf_pubnames_table::read_header): New function.
5402	(Dwarf_pubnames_table::next_name): New function.
5403	(Dwarf_die::Dwarf_die): New function.
5404	(Dwarf_die::read_attributes): New function.
5405	(Dwarf_die::skip_attributes): New function.
5406	(Dwarf_die::set_name): New function.
5407	(Dwarf_die::set_linkage_name): New function.
5408	(Dwarf_die::attribute): New function.
5409	(Dwarf_die::string_attribute): New function.
5410	(Dwarf_die::int_attribute): New function.
5411	(Dwarf_die::uint_attribute): New function.
5412	(Dwarf_die::ref_attribute): New function.
5413	(Dwarf_die::child_offset): New function.
5414	(Dwarf_die::sibling_offset): New function.
5415	(Dwarf_info_reader::check_buffer): New function.
5416	(Dwarf_info_reader::parse): New function.
5417	(Dwarf_info_reader::do_parse): New function.
5418	(Dwarf_info_reader::do_read_string_table): New function.
5419	(Dwarf_info_reader::lookup_reloc): New function.
5420	(Dwarf_info_reader::get_string): New function.
5421	(Dwarf_info_reader::visit_compilation_unit): New function.
5422	(Dwarf_info_reader::visit_type_unit): New function.
5423	(Sized_dwarf_line_info::Sized_dwarf_line_info): Use
5424	Sized_elf_reloc_mapper.
5425	(Sized_dwarf_line_info::symbol_section): Remove function.
5426	(Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
5427	(Sized_dwarf_line_info::read_line_mappings): Remove object
5428	parameter, adjust callers.
5429	(Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
5430	* dwarf_reader.h: Include <sys/types.h>.
5431	(class Track_relocs): Remove forward declaration.
5432	(class Elf_reloc_mapper): New class.
5433	(class Sized_elf_reloc_mapper): New class.
5434	(class Dwarf_abbrev_table): New class.
5435	(class Dwarf_range_list): New class.
5436	(class Dwarf_ranges_table): New class.
5437	(class Dwarf_pubnames_table): New class.
5438	(class Dwarf_die): New class.
5439	(class Dwarf_info_reader): New class.
5440	(Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
5441	(Sized_dwarf_line_info::symbol_section): Remove member function.
5442	* dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
5443	base class.
5444	* gdb-index.cc: New source file.
5445	* gdb-index.h: New source file.
5446	* incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
5447	and .debug_types sections, call Layout::add_to_gdb_index.
5448	(Sized_relobj_incr::do_section_name): Implement.
5449	(Sized_relobj_incr::do_section_contents): Adjust parameter list and
5450	return type; Implement.
5451	(Sized_incr_dynobj::do_section_contents): Adjust parameter list and
5452	return type.
5453	* incremental.h (Sized_relobj_incr::do_section_contents): Adjust
5454	parameter list and return type.
5455	(Sized_incr_dynobj::do_section_contents): Likewise.
5456	* layout.cc: Include gdb-index.h.
5457	(Layout::Layout): Initialize gdb_index_data_.
5458	(Layout::init_fixed_output_section): Check for .gdb_index section.
5459	(Layout::add_to_gdb_index): New function. Instantiate.
5460	* layout.h: Add forward declaration for class Gdb_index.
5461	(Layout::add_to_gdb_index): New member function.
5462	(Layout::gdb_index_data_): New data member.
5463	* main.cc: Include gdb-index.h.
5464	(main): Print statistics for gdb index.
5465	* object.cc (Object::section_contents): Move code into
5466	do_section_contents.
5467	(need_decompressed_section): Check for sections needed when building
5468	gdb index.
5469	(build_compressed_section_map): Likewise.
5470	(Sized_relobj_file::do_read_symbols): Need local symbols when building
5471	gdb index.
5472	(Sized_relobj_file::do_layout): Track .debug_info and .debug_types
5473	sections; call Layout::add_to_gdb_index.
5474	(Sized_relobj_file::do_decompressed_section_contents): Call
5475	do_section_contents directly.
5476	* object.h (Object::do_section_contents): Adjust parameter list and
5477	return type.
5478	(Object::do_decompressed_section_contents): Call do_section_contents
5479	directly.
5480	(Sized_relobj_file::do_section_contents): Adjust parameter list and
5481	return type.
5482	* options.h (class General_options): Add --gdb-index option.
5483	* plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
5484	list and return type.
5485	* plugin.h (Sized_pluginobj::do_section_contents): Likewise.
5486	* reloc.h (Track_relocs::checkpoint): New function.
5487	(Track_relocs::reset): New function.
5488
5489	* testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
5490	New test cases.
5491	* testsuite/Makefile.in: Regenerate.
5492	* testsuite/gdb_index_test.cc: New test source file.
5493	* testsuite/gdb_index_test_1.sh: New test source file.
5494	* testsuite/gdb_index_test_2.sh: New test source file.
5495
54962012-03-19  Doug Kwan  <dougkwan@google.com>
5497
5498	* arm.cc (Target_arm::do_define_standard_symbols): New method.
5499	(Target_arm::do_finalize_sections): Remove code which defines
5500	__exidx_start and __exidx_end.  Make symbol table parameter
5501	anonymous as it is not used.
5502	* gold.cc (queue_middle_tasks): Call target hook to define any
5503	target-specific symbols.
5504	* target.h (Target::define_standard_symbols): New method.
5505	(Target::do_define_standard_symbols): Same.
5506	* testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
5507	* testsuite/Makefile.in: Regenerate.
5508	* testsuite/arm_exidx.s: Generate data relocations for __exidx_start
5509	and __exidx_end.
5510	* testsuite/arm_exidx_test.sh: Check that no unused dynamic
5511	relocations are generated for __exidx_start and __exidx_end.
5512
55132012-03-16  Doug Kwan  <dougkwan@google.com>
5514
5515	* testsuite/Makefile.am: Disable test initpri3b.
5516	* testsuite/Makefile.in: Regenerate.
5517
55182012-03-15  Doug Kwan  <dougkwan@google.com>
5519
5520	* arm.cc (Target_arm::got_section): Make .got section read-only
5521	if -z now is given.
5522
55232012-03-15  Ian Lance Taylor  <iant@google.com>
5524
5525	PR gold/13850
5526	* layout.cc (Layout::make_output_section): Correctly mark
5527	SHT_INIT_ARRAY, et. al., as relro.
5528
55292012-03-14  Doug Kwan  <dougkwan@google.com>
5530
5531	* gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
5532	dynamic relocations for protected symbols in shared objects.
5533
55342012-03-13  Ian Lance Taylor  <iant@google.com>
5535
5536	* resolve.cc (Symbol_table::resolve): When merging common symbols,
5537	keep the larger alignment.
5538
55392012-03-12  Cary Coutant  <ccoutant@google.com>
5540
5541	* dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
5542	handling of DW_LNE_define_file.
5543
55442012-03-12  Cary Coutant  <ccoutant@google.com>
5545
5546	* reduced_debug_output.cc
5547	(Output_reduced_debug_info_section::get_die_end): Add new FORM
5548	codes to switch.
5549
55502012-02-29  Cary Coutant  <ccoutant@google.com>
5551
5552	* object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
5553
55542012-02-29  Cary Coutant  <ccoutant@google.com>
5555
5556	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5557	Call Object::decompressed_section_contents.
5558	* dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
5559	New dtor.
5560	(Sized_dwarf_line_info::buffer_start_): New data member.
5561	* merge.cc (Output_merge_data::do_add_input_section): Call
5562	Object::decompressed_section_contents.
5563	(Output_merge_string::do_add_input_section): Likewise.
5564	* object.cc (need_decompressed_section): New function.
5565	(build_compressed_section_map): Decompress sections needed later.
5566	(Sized_relobj_file::do_decompressed_section_contents): New function.
5567	(Sized_relobj_file::do_discard_decompressed_sections): New function.
5568	* object.h (Object::decompressed_section_contents): New function.
5569	(Object::discard_decompressed_sections): New function.
5570	(Object::do_decompressed_section_contents): New function.
5571	(Object::do_discard_decompressed_sections): New function.
5572	(Compressed_section_info): New type.
5573	(Compressed_section_map): Include decompressed section contents.
5574	(Sized_relobj_file::do_decompressed_section_contents): New function.
5575	(Sized_relobj_file::do_discard_decompressed_sections): New function.
5576
55772012-02-16  Cary Coutant  <ccoutant@google.com>
5578
5579	* testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
5580	* testsuite/Makefile.in: Regenerate.
5581
55822012-02-14  Cary Coutant  <ccoutant@google.com>
5583
5584	* options.cc (General_options::finalize): Disallow -pie and -static.
5585
55862012-02-03  Doug Kwan  <dougkwan@google.com>
5587
5588	* arm.cc (Arm_relocate_functions::abs8,
5589	Arm_relocate_functions::abs16): Use
5590	Bits::has_signed_unsigned_overflow32.
5591	(Arm_relocate_functions::thm_abs8): Correct range of
5592	overflow check.
5593	* reloc.h (Bits class): Change minimum number of bits from 0 to 1
5594	in assertions.
5595
55962012-02-02  Doug Kwan  <dougkwan@google.com>
5597
5598	* arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
5599	position independent outputs, not just shared objects.
5600
56012012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
5602
5603	* configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
5604	* configure: Regenerated.
5605
56062012-01-27  Ian Lance Taylor  <iant@google.com>
5607
5608	* reloc.h (Bits): New class with static functions, copied from
5609	namespace utils in arm.cc.
5610	* arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
5611	instead.
5612
56132012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5614
5615	* incremental.cc (write_info_blocks): Correct relocation offset.
5616
56172012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5618
5619	* x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
5620	(Relocate::tls_gd_to_le): Likewise.
5621
56222012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5623
5624	* x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
5625
56262012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5627
5628	* configure.ac: Check if -mcmodel=medium works.
5629	* configure: Regenerated.
5630
56312012-01-24  Cary Coutant  <ccoutant@google.com>
5632
5633	* int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
5634	definition and ...
5635	(read_unsigned_LEB_128_x): ... this new function.
5636	(read_signed_LEB_128): Replaced with inline definition and ...
5637	(read_signed_LEB_128_x): ... this new function.
5638	* int_encoding.h  (read_unsigned_LEB_128_x): New function.
5639	(read_unsigned_LEB_128): Add inline definition.
5640	(read_signed_LEB_128_x): New function.
5641	(read_signed_LEB_128): Add inline definition.
5642	* testsuite/Makefile.am (leb128_unittest): New unit test.
5643	* testsuite/Makefile.in: Regenerate.
5644	* testsuite/leb128_unittest.cc: New unit test.
5645
56462012-01-23  Ian Lance Taylor  <iant@google.com>
5647
5648	PR gold/13617
5649	* i386.cc (Target_i386::do_code_fill): When using a jmp
5650	instruction, pad with nop instructions.
5651	* x86_64.cc (Target_x86_64::do_code_fill): Likewise.
5652
56532012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
5654
5655	* x86_64.cc (gc_process_relocs): Add typename on types used in
5656	template.
5657	(scan_relocs): Likewise.
5658	(relocate_section): Likewise.
5659	(apply_relocation): Likewise.
5660
56612012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
5662
5663	* x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
5664	(Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
5665	under x32.
5666
56672012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
5668
5669	* x86_64.cc: Initial support for x32.
5670
56712012-01-03  Cary Coutant  <ccoutant@google.com>
5672
5673	* incremental.cc (Sized_incremental_binary::do_process_got_plt):
5674	Use abstract base class for GOT.
5675	* output.h (class Output_data_got_base): New abstract base class.
5676	(class Output_data_got): Derive from new base class, adjust ctors.
5677	(Output_data_got::reserve_slot): Make virtual; rename to
5678	do_reserve_slot; Adjust callers.
5679	* target.h (Sized_target::init_got_plt_for_update): Return
5680	pointer to abstract base class.
5681	* x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
5682
56832011-12-18  Ian Lance Taylor  <iant@google.com>
5684
5685	* object.h (Relobj::local_symbol_value): New function.
5686	(Relobj::local_plt_offset): New function.
5687	(Relobj::local_has_got_offset): New function.
5688	(Relobj::local_got_offset): New function.
5689	(Relobj::set_local_got_offset): New function.
5690	(Relobj::do_local_symbol_value): New pure virtual function.
5691	(Relobj::do_local_plt_offset): Likewise.
5692	(Relobj::do_local_has_got_offset): Likewise.
5693	(Relobj::do_local_got_offset): Likewise.
5694	(Relobj::do_set_local_got_offset): Likewise.
5695	(Sized_relobj::do_local_has_got_offset): Rename from
5696	local_has_got_offset.
5697	(Sized_relobj::do_local_got_offset): Rename from local_got_offset.
5698	(Sized_relobj::do_set_local_got_offset): Rename from
5699	set_local_got_offset.
5700	(Sized_relobj_file::do_local_plt_offset): Rename from
5701	local_plt_offset.
5702	(Sized_relobj_file::do_local_symbol_value): New function.
5703	* object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
5704	local_plt_offset.
5705	* output.cc (Output_data_got::Got_entry::write): Change object to
5706	Relobj.  Use local_symbol_value.
5707	(Output_data_got::add_global_with_rel): Change rel_dyn to
5708	Output_data_reloc_generic*.  Use add_global_generic.
5709	(Output_data_got::add_global_with_rela): Remove.  Change all
5710	callers to use add_global_with_rel.
5711	(Output_data_got::add_global_pair_with_rel): Change rel_dyn to
5712	Output_data_reloc_generic*.  Use add_global_generic.
5713	(Output_data_got::add_global_pair_with_rela): Remove.  Change all
5714	callers to use add_global_pair_with_rel.
5715	(Output_data_got::add_local): Change object to Relobj*.
5716	(Output_data_got::add_local_plt): Likewise.
5717	(Output_data_got::add_local_with_rel): Change object to Relobj*,
5718	change rel_dyn to Output_data_reloc_generic*.  Use
5719	add_local_generic.
5720	(Output_data_got::add_local_with_rela): Remove.  Change all
5721	callers to use all_local_with_rel.
5722	(Output_data_got::add_local_pair_with_rel): Change object to
5723	Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
5724	add_output_section_generic.
5725	(Output_data_got::add_local_pair_with_rela): Remove.  Change all
5726	callers to use add_local_pair_with_rel.
5727	(Output_data_got::reserve_local): Change object to Relobj*.
5728	* output.h: (class Output_data_reloc_generic): Add pure virtual
5729	declarations for add_global_generic, add_local_generic,
5730	add_output_section_generic.
5731	(class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
5732	functions for Output_data_reloc_generic.  Update declarations for
5733	changes listed in output.cc.
5734	(class Output_data_got): Change template parameter to got_size.
5735	Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
5736	* incremental.h (Sized_relobj_incr::do_local_symbol_value): New
5737	function.
5738	(Sized_relobj_incr::do_local_plt_offset): New function.
5739	* copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
5740	add_global_generic.
5741
57422011-12-17  Cary Coutant  <ccoutant@google.com>
5743
5744	* dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
5745	* resolve.cc (Symbol_table::resolve): Likewise.
5746	* i386.cc (Target_i386::do_code_fill): Use char constants for nop
5747	arrays.
5748	* x86_64.cc (Target_x86_64::do_code_fill): Likewise.
5749
57502011-12-16  Ian Lance Taylor  <iant@google.com>
5751
5752	* output.h (Output_data_reloc_generic::add): Only call
5753	add_dynamic_reloc if this is a dynamic reloc section.
5754
57552011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
5756
5757	PR gold/13505
5758	* target-reloc.h (apply_relocation): Replace <64, false> with
5759	<size, big_endian>.
5760
57612011-11-25  Nick Clifton  <nickc@redhat.com>
5762
5763	* po/it.po: New Italian translation.
5764
57652011-11-17  Sterling Augustine  <saugustine@google.com>
5766
5767	* script.cc (script_include_directive): Implement.
5768	(read_script_file): New local variables name and search_path. Update
5769	comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
5770	* dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
5771	* dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
5772
57732011-11-11  Sterling Augustine  <saugustine@google.com>
5774
5775	* yyscript.y (section_cmd): Add support for INCLUDE directive.
5776	(file_or_sections_cmd): Likewise.
5777
57782011-11-11  Doug Kwan  <dougkwan@google.com>
5779
5780	* arm.cc (Target_arm::do_make_elf_object): Allow executable also
5781	if --just-symbols is given.
5782
57832011-11-10  Doug Kwan  <dougkwan@google.com>
5784
5785	PR gold/13362
5786	* arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
5787	when processing data relocs.
5788	* reloc.h (Relocate_functions::rel_unaligned): New method.
5789	(Relocate_functions::pcrel_unaligned): Ditto.
5790	(Relocate_functions::rel32_unaligned): Ditto.
5791	(Relocate_functions::pcrel32_unaligned): Ditto.
5792
57932011-11-09  Doug Kwan  <dougkwan@google.com>
5794
5795	PR gold/13362
5796	* arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
5797	Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
5798	* reloc.h (Relocatable_relocs::Reloc_strategy): New enum
5799	RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
5800	(Relocate_functions::rel_unaligned): New.
5801	(Relocate_functions::rel32_unaligned): New.
5802	* target-reloc.h (relocate_for_relocatable): Add code to handle
5803	RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
5804	* testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
5805	arm_unaligned_reloc_r): New targets.
5806	* testsuite/Makefile.in: Regenerate.
5807	* arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
5808	linking.
5809
58102011-11-02  Ian Lance Taylor  <iant@google.com>
5811
5812	* configure.ac: Add --with-lib-path option.  Define LIB_PATH and
5813	NATIVE_LINKER.
5814	* Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
5815	* options.cc (General_options::finalize): Use library search path
5816	from configure script if specified.  If not native and no sysroot,
5817	only search TOOLLIBDIR.
5818	* options.h (Search_directory::Search_directory): Change name to
5819	const std::string&.
5820	(General_options::add_to_library_path_with_sysroot): Change arg to
5821	const std::string&.
5822	* configure, Makefile.in, config.in: Rebuild.
5823
58242011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5825
5826	* arm.cc (Target_arm::may_use_v5t_interworking): Check whether
5827	we are working around the ARM1176 Erratum.
5828	* options.h (General_options::fix_arm1176): Add option.
5829	* testsuite/Makefile.am: Add testcases, and keep current ones
5830	working.
5831	* testsuite/Makefile.in: Regenerate.
5832	* testsuite/arm_fix_1176.s: New file.
5833	* testsuite/arm_fix_1176.sh: Likewise.
5834
58352011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5836
5837	* arm.cc (Target_arm::Target_arm): Remove initialisation of
5838	may_use_blx_.
5839	(Target_arm::may_use_blx): Remove method.
5840	(Target_arm::set_may_use_blx): Likewise.
5841	(Target_arm::may_use_v4t_interworking): New method.
5842	(Target_arm::may_use_v5t_interworking): Likewise.
5843	(Target_arm::may_use_blx_): Remove member variable.
5844	(Arm_relocate_functions::arm_branch_common): Check for v5T
5845	interworking.
5846	(Arm_relocate_functions::thumb_branch_common): Likewise.
5847	(Reloc_stub::stub_type_for_reloc): Likewise.
5848	(Target_arm::do_finalize_sections): Correct interworking checks.
5849	* testsuite/Makefile.am: Add new tests.
5850	* testsuite/Makefile.in: Regenerate.
5851	* testsuite/arm_farcall_arm_arm.s: New test.
5852	* testsuite/arm_farcall_arm_arm.sh: Likewise.
5853	* testsuite/arm_farcall_arm_thumb.s: Likewise.
5854	* testsuite/arm_farcall_arm_thumb.sh: Likewise.
5855	* testsuite/arm_farcall_thumb_arm.s: Likewise.
5856	* testsuite/arm_farcall_thumb_arm.sh: Likewise.
5857	* testsuite/arm_farcall_thumb_thumb.s: Likewise.
5858	* testsuite/arm_farcall_thumb_thumb.sh: Likewise.
5859
58602011-10-31  Cary Coutant  <ccoutant@google.com>
5861
5862	PR gold/13023
5863	* expression.cc (Expression::eval_with_dot): Add
5864	is_section_dot_assignment parameter.
5865	(Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
5866	absolute and assigning to dot within a section.
5867	* script-sections.cc
5868	(Output_section_element_assignment::set_section_addresses): Pass
5869	dot_section to set_if_absolute.
5870	(Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
5871	as is_section_dot_assignment flag to eval_with_dot.
5872	(Output_section_element_dot_assignment::set_section_addresses):
5873	Likewise.
5874	* script.cc (Symbol_assignment::set_if_absolute): Add dot_section
5875	parameter.  Also set value if relative to dot_section; set the
5876	symbol's output_section.
5877	* script.h (Expression::eval_with_dot): Add is_section_dot_assignment
5878	parameter.  Adjust all callers.
5879	(Expression::eval_maybe_dot): Likewise.
5880	(Symbol_assignment::set_if_absolute): Add dot_section parameter.
5881	Adjust all callers.
5882	* testsuite/script_test_2.t: Test assignment of an absolute value
5883	to dot within an output section element.
5884
58852011-10-31  Cary Coutant  <ccoutant@google.com>
5886
5887	* options.h (class General_options): Add --[no-]gnu-unique options.
5888	* symtab.cc (Symbol_table::sized_write_globals): Convert
5889	STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
5890
58912011-10-31  Cary Coutant  <ccoutant@google.com>
5892
5893	PR gold/13359
5894	* i386.cc (Target_i386::Relocate::relocate_tls): Remove
5895	unnecessary assertion.
5896	* x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
5897
58982011-10-31 Sriraman Tallam  <tmsriram@google.com>
5899
5900	* symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
5901	gc_mark_symbol.
5902	* symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
5903	gc_mark_symbol.
5904	Change to just keep the section associated with symbol.
5905	(Symbol_table::add_from_relobj): Mark symbols as not garbage when
5906	they are externally visible and --export-dynamic is turned on.
5907	(Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
5908
59092011-10-19  Ian Lance Taylor  <iant@google.com>
5910
5911	PR gold/13163
5912	* script-sections.cc
5913	(Output_section_element_dot_assignment::needs_output_section): New
5914	function.
5915
59162011-10-19  Ian Lance Taylor  <iant@google.com>
5917
5918	PR gold/13204
5919	* layout.cc (Layout::segment_precedes): Don't assert failure if a
5920	--section-start option was seen.
5921	* options.h (General_options::any_section_start): New function.
5922
59232011-10-18  David S. Miller  <davem@davemloft.net>
5924
5925	PR binutils/13301
5926	* sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
5927	member to track relocation locations that have moved during TLS
5928	reloc optimizations.
5929	(Target_sparc::Relocate::Relocate): Initialize to NULL.
5930	(Target_sparc::Relocate::relocate): Adjust view down by 4
5931	bytes if it matches reloc_adjust_addr_.
5932	(Target_sparc::Relocate::relocate_tls): Always move the
5933	__tls_get_addr call delay slot instruction forward 4 bytes when
5934	performing relaxation.
5935
59362011-10-18  Cary Coutant  <ccoutant@google.com>
5937
5938	* output.cc (posix_fallocate): Return 0 on success, errno on failure.
5939	(Output_file::map_no_anonymous): Check for non-zero
5940	return code from posix_fallocate.
5941
59422011-10-17  Cary Coutant  <ccoutant@google.com>
5943
5944	PR gold/13245
5945	* plugin.cc (is_visible_from_outside): Check for symbols
5946	referenced from dynamic objects.
5947	* resolve.cc (Symbol_table::resolve): Don't count references
5948	from dynamic objects as references from real ELF files.
5949	* testsuite/plugin_test_2.sh: Adjust expected result.
5950
59512011-10-17  Cary Coutant  <ccoutant@google.com>
5952
5953	* gold.cc: Include timer.h.
5954	(queue_middle_tasks): Stamp time.
5955	(queue_final_tasks): Likewise.
5956	* main.cc (main): Store timer in parameters.  Print timers
5957	for each pass.
5958	* parameters.cc (Parameters::Parameters): Initialize timer_.
5959	(Parameters::set_timer): New function.
5960	(set_parameters_timer): New function.
5961	* parameters.h (Parameters::set_timer): New function.
5962	(Parameters::timer): New function.
5963	(Parameters::timer_): New data member.
5964	(set_parameters_timer): New function.
5965	* timer.cc (Timer::stamp): New function.
5966	(Timer::get_pass_time): New function.
5967	* timer.h (Timer::stamp): New function.
5968	(Timer::get_pass_time): New function.
5969	(Timer::pass_times_): New data member.
5970
59712011-10-17  Cary Coutant  <ccoutant@google.com>
5972
5973	* readsyms.cc (Read_symbols::run): Don't queue an unblocker
5974	task for members of lib groups.
5975
59762011-10-17  Cary Coutant  <ccoutant@google.com>
5977
5978	PR gold/13288
5979	* fileread.cc (File_read::find_view): Add assert.
5980	(File_read::make_view): Move bounds check (replace with assert)...
5981	(File_read::find_or_make_view): ... to here.
5982
59832011-10-12  Cary Coutant  <ccoutant@google.com>
5984
5985	* output.cc (Output_file::open_base_file): Handle case where
5986	::read returns less than requested size.
5987
59882011-10-10  Cary Coutant  <ccoutant@google.com>
5989
5990	* incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
5991	Initialize defined_count_.
5992	(Sized_relobj_incr::do_add_symbols): Count defined symbols.
5993	(Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
5994	(Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
5995	(Sized_incr_dynobj::do_add_symbols): Count defined symbols.
5996	(Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
5997	* incremental.h (Sized_relobj_incr::defined_count_): New data
5998	member.
5999	(Sized_incr_dynobj::defined_count_): New data member.
6000	* plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
6001	Return zeroes instead of internal error.
6002
60032011-10-10  Cary Coutant  <ccoutant@google.com>
6004
6005	PR gold/13249
6006	* output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
6007	(Output_reloc::symbol_value): Return PLT offset if flag is set.
6008	* output.h (class Output_reloc): Add use_plt_offset flag.
6009	(Output_reloc::type_): Adjust size of bit field.
6010	(Output_reloc::use_plt_offset_): New bit field.
6011	(class Output_data_reloc): Adjust all calls to Output_reloc_type.
6012	(Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
6013	flag.  Adjust all callers.
6014	* x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
6015	creating RELATIVE relocations.
6016
60172011-10-10  Nick Clifton  <nickc@redhat.com>
6018
6019	* po/es.po: Updated Spanish translation.
6020	* po/fi.po: Updated Finnish translation.
6021
60222011-10-03   Diego Novillo  <dnovillo@google.com>
6023
6024	* options.cc (parse_uint): Fix dereference of RETVAL.
6025
60262011-09-29  Sriraman Tallam  <tmsriram@google.com>
6027
6028	* layout.h (section_order_map_): New member.
6029	(get_section_order_map): New member function.
6030	* output.cc (Output_section::add_input_section): Check for patterns
6031	only when --section-ordering-file is specified.
6032	* gold.cc (queue_middle_tasks): Delay updating order of sections till
6033	output_sections have been formed.
6034	* layout.cc (Layout_Layout): Initialize section_order_map_.
6035	* plugin.cc (update_section_order): Store order in order_map. Do not
6036	update the order.
6037	* testsuite/Makefile.am: Add test case for plugin_final_layout.
6038	* testsuite/Makefile.in: Regenerate.
6039	* testsuite/plugin_section_order.c: New file.
6040	* testsuite/plugin_final_layout.cc: New file.
6041	* testsuite/plugin_final_layout.sh: New file.
6042
60432011-09-29  Cary Coutant  <ccoutant@google.com>
6044
6045	* incremental.cc (Sized_incremental_binary::do_process_got_plt):
6046	Check for NULL.
6047	* symtab.cc (Symbol_table::add_from_relobj): Ignore version
6048	symbols during incremental update.
6049	(Symbol_table::add_from_dynobj): Likewise.
6050
60512011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6052	    Ian Lance Taylor  <iant@google.com>
6053
6054	* symtab.cc (Symbol_table::define_special_symbol): Always
6055	canonicalize version string.
6056
60572011-09-26  Cary Coutant  <ccoutant@google.com>
6058
6059	* gold.cc (queue_initial_tasks): Move option checks ...
6060	* options.cc (General_options::finalize): ... to here. Disable
6061	some options; make others fatal.
6062
60632011-09-26  Cary Coutant  <ccoutant@google.com>
6064
6065	gcc PR lto/47247
6066	* plugin.cc (get_symbols_v2): New function.
6067	(Plugin::load): Add LDPT_GET_SYMBOLS_V2.
6068	(is_referenced_from_outside): New function.
6069	(Pluginobj::get_symbol_resolution_info): Add version parameter, return
6070	LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
6071	(get_symbols): Pass version parameter.
6072	(get_symbols_v2): New function.
6073	* plugin.h (Pluginobj::get_symbol_resolution_info): Add version
6074	parameter.
6075	* testsuite/plugin_test.c (get_symbols_v2): New static variable.
6076	(onload): Add LDPT_GET_SYMBOLS_V2.
6077	(all_symbols_read_hook): Use get_symbols_v2; check for
6078	LDPR_PREVAILING_DEF_IRONLY_EXP.
6079	* testsuite/plugin_test_3.sh: Update expected results.
6080
60812011-09-23  Simon Baldwin  <simonb@google.com>
6082
6083	* configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
6084	configuration options.
6085	* configure: Regenerate.
6086	* Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
6087	* Makefile.in: Regenerate.
6088	* testsuite/Makefile.in: Regenerate.
6089
60902011-09-19  Sriraman Tallam  <tmsriram@google.com>
6091
6092	* plugin.h (should_defer_layout): Modify to check for any_claimed_.
6093
60942011-09-19  Cary Coutant  <ccoutant@google.com>
6095
6096	* incremental.cc (can_incremental_update): Fix typo in comment.
6097	* incremental.h (can_incremental_update): Likewise.
6098
60992011-09-18  Cary Coutant  <ccoutant@google.com>
6100
6101	* incremental.cc (can_incremental_update): New function.
6102	* incremental.h (can_incremental_update): New function.
6103	* layout.cc (Layout::init_fixed_output_section): Call it.
6104	(Layout::make_output_section): Don't allow patch space in .eh_frame.
6105	* object.cc (Sized_relobj_file::do_layout): Call
6106	can_incremental_update.
6107
61082011-09-13  Cary Coutant  <ccoutant@google.com>
6109
6110	* configure.ac: Check for glibc support for gnu_indirect_function
6111	support with static linking, setting automake conditional
6112	IFUNC_STATIC.
6113	* Makefile.in: Regenerate.
6114	* configure: Regenerate.
6115
6116	* testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
6117	(ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
6118	for IFUNC_STATIC.
6119	* testsuite/Makefile.in: Regenerate.
6120
61212011-09-13  Cary Coutant  <ccoutant@google.com>
6122
6123	* incremental.cc (Sized_relobj_incr::do_layout): Call
6124	report_comdat_group for kept comdat sections.
6125	* testsuite/Makefile.am (incremental_comdat_test_1): New test.
6126	* testsuite/Makefile.in: Regenerate.
6127	* testsuite/incr_comdat_test_1.cc: New source file.
6128	* testsuite/incr_comdat_test_2_v1.cc: New source file.
6129	* testsuite/incr_comdat_test_2_v2.cc: New source file.
6130	* testsuite/incr_comdat_test_2_v3.cc: New source file.
6131
61322011-09-13  Ian Lance Taylor  <iant@google.com>
6133
6134	* object.cc (Sized_relobj_file::do_layout): Remove unused local
6135	variable external_symbols_offset.
6136
61372011-09-12  Ian Lance Taylor  <iant@google.com>
6138
6139	* object.cc (Sized_relobj_file::do_layout): Remove assertion which
6140	triggered if object has no symbols.
6141
61422011-09-09  David S. Miller  <davem@davemloft.net>
6143
6144	* output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
6145	(Output_fill_debug_line::do_write): Likewise.
6146
61472011-08-29  Cary Coutant  <ccoutant@google.com>
6148
6149	* output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
6150	casts to match formatting specs.
6151	(Output_fill_debug_line::do_minimum_hole_size): Likewise.
6152
61532011-08-26  Cary Coutant  <ccoutant@google.com>
6154
6155	* layout.cc (Free_list::allocate): Provide guarantee of minimum
6156	remaining hole size when allocating.
6157	(Layout::make_output_section): Set fill methods for debug sections.
6158	* layout.h (Free_list::Free_list_node): Move from private to
6159	public.
6160	(Free_list::set_min_hole_size): New function.
6161	(Free_list::begin, Free_list::end): New functions.
6162	(Free_list::min_hole_): New data member.
6163	* output.cc: Include dwarf.h.
6164	(Output_fill_debug_info::do_minimum_hole_size): New function.
6165	(Output_fill_debug_info::do_write): New function.
6166	(Output_fill_debug_line::do_minimum_hole_size): New function.
6167	(Output_fill_debug_line::do_write): New function.
6168	(Output_section::Output_section): Initialize new data member.
6169	(Output_section::set_final_data_size): Ensure patch space is larger
6170	than minimum hole size.
6171	(Output_section::do_write): Fill holes in debug sections.
6172	* output.h (Output_fill): New class.
6173	(Output_fill_debug_info): New class.
6174	(Output_fill_debug_line): New class.
6175	(Output_section::set_free_space_fill): New function.
6176	(Output_section::free_space_fill_): New data member.
6177	* testsuite/Makefile.am (incremental_test_3): Add
6178	--incremental-patch option.
6179	(incremental_test_4): Likewise.
6180	(incremental_test_5): Likewise.
6181	(incremental_test_6): Likewise.
6182	(incremental_copy_test): Likewise.
6183	(incremental_common_test_1): Likewise.
6184	* testsuite/Makefile.in: Regenerate.
6185
61862011-08-26  Nick Clifton  <nickc@redhat.com>
6187
6188	* po/es.po: Updated Spanish translation.
6189
61902011-08-01  Cary Coutant  <ccoutant@google.com>
6191
6192	* testsuite/Makefile.am (justsyms_exec): New testcase.
6193	* testsuite/Makefile.in: Regenerate.
6194	* testsuite/justsyms_exec.c: New source file.
6195	* testsuite/justsyms_lib.c: New source file.
6196
61972011-08-01  Cary Coutant  <ccoutant@google.com>
6198
6199	* layout.cc (Layout::set_segment_offsets): Don't realign text
6200	segment if -Ttext was specified.
6201	* object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
6202	file type.
6203	* object.h (Sized_relobj_file::e_type): New function.
6204	(Sized_relobj_file::e_type_): New data member.
6205	* symtab.cc (Symbol_table::add_from_relobj): Don't add section
6206	base address for ET_EXEC files.
6207	* target.cc (Target::do_make_elf_object_implementation): Allow
6208	ET_EXEC files with --just-symbols option.
6209
62102011-07-28  Cary Coutant  <ccoutant@google.com>
6211
6212	* workqueue-internal.h (Workqueue_threader::should_cancel_thread):
6213	Add thread_number parameter.
6214	(Workqueue_threader_threadpool::should_cancel_thread): Likewise.
6215	* workqueue-threads.cc
6216	(Workqueue_threader_threadpool::should_cancel_thread): Cancel
6217	current thread if its thread number is greater than desired thread
6218	count.
6219	* workqueue.cc (Workqueue_threader_single::should_cancel_thread):
6220	Add thread_number parameter.
6221	(Workqueue::should_cancel_thread): Likewise.
6222	(Workqueue::find_runnable_or_wait): Pass thread_number to
6223	should_cancel_thread.
6224	* workqueue.h (Workqueue::should_cancel_thread): Add thread_number
6225	parameter.
6226
62272011-07-22  Sriraman Tallam  <tmsriram@google.com>
6228
6229	* symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
6230	only after checking if it cannot be forced local.
6231	* symtab.h (is_externally_visible): Check if the symbol is not forced
6232	local.
6233
62342011-07-15  Ian Lance Taylor  <iant@google.com>
6235
6236	* options.h (class General_options): Add --print-output-format.
6237	Move -EL next to -EB, for  better --help output.
6238	* target-select.cc: Include <cstdio>, "options.h", and
6239	"parameters.h".
6240	(Target_selector::do_target_bfd_name): New function.
6241	(print_output_format): New function.
6242	* target-select.h (class Target_selector): Update declarations.
6243	(Target_selector::target_bfd_name): New function.
6244	(print_output_format): Declare.
6245	* main.cc: Include "target-select.h".
6246	(main): Handle --print-output-format.
6247	* gold.cc: Include "target-select.h".
6248	(queue_initial_tasks): Handle --print-output-format when there are
6249	no input files.
6250	* parameters.cc (parameters_force_valid_target): Give a better
6251	error message if -EB/-EL does not match target.
6252	* freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
6253	function.
6254
62552011-07-15  Ian Lance Taylor  <iant@google.com>
6256
6257	* i386.cc (class Output_data_plt_i386): Add layout_ field.
6258	(Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
6259	(Output_data_plt_i386::do_write): Write address of .dynamic
6260	section to first entry in .got.plt section.
6261	* x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
6262	(Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
6263	Initialize layout_.
6264	(Output_data_plt_x86_64::do_write): Write address of .dynamic
6265	section to first entry in .got.plt section.
6266	* layout.h (Layout::dynamic_section): New function.
6267
62682011-07-13  Sriraman Tallam  <tmsriram@google.com>
6269
6270	* archive.cc (Archive::get_elf_object_for_member): Add extra parameter
6271	to claim_file call.
6272	* layout.cc (Layout::Layout): Initialize section_ordering_specified_,
6273	input_section_position_, and input_section_glob_.
6274	(read_layout_from_file): Call function section_ordering_specified.
6275	* layout.h (is_section_ordering_specified): New function.
6276	(section_ordering_specified): New function.
6277	(section_ordering_specified_): New boolean member.
6278	* main.cc(main): Call load_plugins after layout object is defined.
6279	* output.cc (Output_section::add_input_section): Use
6280	function section_ordering_specified to check if section ordering is
6281	needed.
6282	* output.cc (Output_section::add_relaxed_input_section): Use
6283	function section_ordering_specified to check if section ordering is
6284	needed.
6285	(Output_section::update_section_layout): New function.
6286	(Output_section::sort_attached_input_sections): Check if input section
6287	must be reordered.
6288	* output.h (Output_section::update_section_layout): New function.
6289	* plugin.cc (get_section_count): New function.
6290	(get_section_type): New function.
6291	(get_section_name): New function.
6292	(get_section_contents): New function.
6293	(update_section_order): New function.
6294	(allow_section_ordering): New function.
6295	(Plugin::load): Add the new interfaces to the transfer vector.
6296	(Plugin_manager::load_plugins): New parameter.
6297	(Plugin_manager::all_symbols_read): New parameter.
6298	(Plugin_manager::claim_file): New parameter. Save the elf object for
6299	unclaimed objects.
6300	(Plugin_manager::get_elf_object): New function.
6301	(Plugin_manager::get_view): Change to directly use the bool to check
6302	if get_view is called from claim_file_hook.
6303	* plugin.h (input_objects): New function
6304	(Plugin__manager::load_plugins): New parameter.
6305	(Plugin_manager::claim_file): New parameter.
6306	(Plugin_manager::get_elf_object): New function.
6307	(Plugin_manager::in_claim_file_handler): New function.
6308	(Plugin_manager::in_claim_file_handler_): New member.
6309	(layout): New function.
6310	* readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
6311	handler with an extra parameter. Make the elf object before calling
6312	claim_file handler.
6313	* testsuite/plugin_test.c (get_section_count): New function pointer.
6314	(get_section_type): New function pointer.
6315	(get_section_name): New function pointer.
6316	(get_section_contents): New function pointer.
6317	(update_section_order): New function pointer.
6318	(allow_section_ordering): New function pointer.
6319	(onload): Check if the new interfaces exist.
6320
63212011-07-13  Ian Lance Taylor  <iant@google.com>
6322
6323	* i386.cc (Target_i386::got_section): If -z now, make .got.plt a
6324	relro section.
6325	* x86_64.cc (Target_x86_64::got_section): Likewise.
6326	* testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
6327	(relro_now_test_SOURCES): New variable.
6328	(relro_now_test_DEPENDENCIES): New variable.
6329	(relro_now_test_LDFLAGS): New variable.
6330	(relro_now_test_LDADD): New variable.
6331	(relro_now_test.so): New target.
6332	* testsuite/Makefile.in: Rebuild.
6333
63342011-07-12  Ian Lance Taylor  <iant@google.com>
6335
6336	PR gold/12980
6337	* i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
6338	GLOB_DAT relocation rather than a RELATIVE relocation for a
6339	protected symbol when creating a shared library.
6340	* x86_64.cc (Target_x86_64::Scan::global): Likewise.
6341	* testsuite/protected_1.cc (f2, get_f2_addr): New functions.
6342	* testsuite/protected_main_1.cc (main): Test that protected
6343	function has same address.
6344
63452011-07-11  Ian Lance Taylor  <iant@google.com>
6346
6347	PR gold/12979
6348	* options.h (class General_options): Add -Bgroup.
6349	* options.cc (General_options::finalize): If -Bgroup is set,
6350	default to --unresolved-symbols=report-all.
6351	* layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
6352	* target-reloc.h (issue_undefined_symbol_error): Handle
6353	--unresolved-symbols=report-all.
6354
63552011-07-08  Ian Lance Taylor  <iant@google.com>
6356
6357	PR gold/11985
6358	* layout.cc (Layout::create_initial_dynamic_sections): Don't crash
6359	if linker script discards key sections.
6360	(Layout::create_dynamic_symtab): Likewise.
6361	(Layout::assign_local_dynsym_offsets): Likewise.
6362	(Layout::sized_create_version_sections): Likewise.
6363	(Layout::create_interp): Likewise.
6364	(Layout::finish_dynamic_section): Likewise.
6365	(Layout::set_dynamic_symbol_size): Likewise.
6366
63672011-07-08  Ian Lance Taylor  <iant@google.com>
6368
6369	PR gold/12386
6370	* options.h (class General_options): Add --unresolved-symbols.
6371	* target-reloc.h (issue_undefined_symbol_error): Check
6372	--unresolved-symbols.  Add comments.
6373
63742011-07-08  Ian Lance Taylor  <iant@google.com>
6375
6376	* testsuite/odr_violation2.cc (Ordering::operator()): Make
6377	expression more complex.
6378
63792011-07-08  Ian Lance Taylor  <iant@google.com>
6380
6381	PR gold/11317
6382	* target-reloc.h (issue_undefined_symbol_error): New inline
6383	function, broken out of relocate_section.
6384	(relocate_section): Call issue_undefined_symbol_error.
6385	* i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
6386	there is no TLS segment if we are about to issue an undefined
6387	symbol error.
6388	* x86_64.cc (Target_x86_64::relocate_tls): Likewise.
6389
63902011-07-08  Ian Lance Taylor  <iant@google.com>
6391
6392	PR gold/12279
6393	* resolve.cc (Symbol_table::should_override): Add fromtype
6394	parameter.  Change all callers.  Give error when linking together
6395	TLS and non-TLS symbol.
6396	(Symbol_table::should_override_with_special): Add fromtype
6397	parameter.  Change all callers.
6398	* i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
6399	there is no TLS segment if we have reported some errors.
6400	* x86_64.cc (Target_x86_64::relocate_tls): Likewise.
6401
64022011-07-08  Ian Lance Taylor  <iant@google.com>
6403
6404	PR gold/12372
6405	* target.h (Target::plt_address_for_global): New function.
6406	(Target::plt_address_for_local): New function.
6407	(Target::plt_section_for_global): Remove.
6408	(Target::plt_section_for_local): Remove.
6409	(Target::do_plt_address_for_global): New virtual function.
6410	(Target::do_plt_address_for_local): New virtual function.
6411	(Target::do_plt_section_for_global): Remove.
6412	(Target::do_plt_section_for_local): Remove.
6413	(Target::register_global_plt_entry): Add Symbol_table and Layout
6414	parameters.
6415	* output.cc (Output_data_got::Got_entry::write): Use
6416	plt_address_for_global and plt_address_for_local.
6417	* layout.cc (Layout::add_target_dynamic_tags): Use size and
6418	address of output section.
6419	* i386.cc (class Output_data_plt_i386): Add irelative_rel_,
6420	got_irelative_, and irelative_count_ fields.  Update
6421	declarations.
6422	(Output_data_plt_i386::has_irelative_section): New function.
6423	(Output_data_plt_i386::entry_count): Add irelative_count_.
6424	(Output_data_plt_i386::set_final_data_size): Likewise.
6425	(class Target_i386): Add got_irelative_ and rel_irelative_
6426	fields.  Update declarations.
6427	(Target_i386::Target_i386): Initialize new fields.
6428	(Target_i386::do_plt_address_for_global): New function replacing
6429	do_plt_section_for_global.
6430	(Target_i386::do_plt_address_for_local): New function replacing
6431	do_plt_section_for_local.
6432	(Target_i386::got_section): Create got_irelative_.
6433	(Target_i386::rel_irelative_section): New function.
6434	(Output_data_plt_i386::Output_data_plt_i386): Initialize new
6435	fields.  Don't define __rel_iplt_{start,end}.
6436	(Output_data_plt_i386::add_entry): Add symtab and layout
6437	parameters.  Change all callers.  Use different PLT and GOT for
6438	IFUNC symbols.
6439	(Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
6440	layout parameters.  Change all callers.  Use different PLT and
6441	GOT.
6442	(Output_data_plt_i386::rel_tls_desc): Fix formatting.
6443	(Output_data_plt_i386::rel_irelative): New function.
6444	(Output_data_plt_i386::address_for_global): New function.
6445	(Output_data_plt_i386::address_for_local): New function.
6446	(Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
6447	IRELATIVE GOT when changing IFUNC GOT entries.
6448	(Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
6449	reloc.
6450	(Target_i386::do_finalize_sections): Create the __rel_iplt symbols
6451	if we didn't create an IRELATIVE GOT.
6452	(Target_i386::Relocate::relocate): Use plt_address_for_global and
6453	plt_address_for_local.
6454	(Target_i386::do_dynsym_value): Use plt_address_for_global.
6455	* x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
6456	got_irelative_, and irelative_count_ fields.  Update
6457	declarations.
6458	(Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
6459	Initialize new fields.  Remove symtab parameter.  Change all
6460	callers.
6461	(Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
6462	irelative_count_.
6463	(Output_data_plt_x86_64::has_irelative_section): New function.
6464	(Output_data_plt_x86_64::entry_count): Add irelative_count_.
6465	(class Target_x86_64): Add got_irelative_ and rel_irelative_
6466	fields.  Update declarations.
6467	(Target_x86_64::Target_x86_64): Initialize new fields.
6468	(Target_x86_64::do_plt_address_for_global): New function replacing
6469	do_plt_section_for_global.
6470	(Target_x86_64::do_plt_address_for_local): New function replacing
6471	do_plt_section_for_local.
6472	(Target_x86_64::got_section): Create got_irelative_.
6473	(Target_x86_64::rela_irelative_section): New function.
6474	(Output_data_plt_x86_64::init): Remove symtab parameter.  Change
6475	all callers.  Don't create __rel_iplt_{start,end}.
6476	(Output_data_plt_x86_64::add_entry): Add symtab and layout
6477	parameters.  Change all callers.  Use different PLT and GOT for
6478	IFUNC symbols.
6479	(Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
6480	layout parameters.  Change all callers.  Use different PLT and
6481	GOT.
6482	(Output_data_plt_x86_64::add_relocation): Add symtab and layout
6483	parameters.  Change all callers.  Use different PLT and GOT for
6484	IFUNC symbols.
6485	(Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
6486	(Output_data_plt_x86_64::rela_irelative): New function.
6487	(Output_data_plt_x86_64::address_for_global): New function.
6488	(Output_data_plt_x86_64::address_for_local): New function.
6489	(Output_data_plt_x86_64::set_final_data_size): Likewise.
6490	(Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
6491	(Target_x86_64::init_got_plt_for_update): Create got_irelative_.
6492	(Target_x86_64::register_global_plt_entry): Add symtab and layout
6493	parameters.
6494	(Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
6495	reloc.
6496	(Target_x86_64::do_finalize_sections): Create the __rela_iplt
6497	symbols if we didn't create an IRELATIVE GOT.
6498	(Target_x86_64::Relocate::relocate): Use plt_address_for_global and
6499	plt_address_for_local.
6500	(Target_x86_64::do_dynsym_value): Use plt_address_for_global.
6501	* testsuite/ifuncvar1.c: New test file.
6502	* testsuite/ifuncvar2.c: New test file.
6503	* testsuite/ifuncvar3.c: New test file.
6504	* testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
6505	(ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
6506	(ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
6507	(ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
6508	* testsuite/Makefile.in: Rebuild.
6509
65102011-07-07  Cary Coutant  <ccoutant@google.com>
6511
6512	* testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
6513	(two_file_test_1_ndebug.o): Likewise.
6514	(two_file_test_1b_ndebug.o): Likewise.
6515	(two_file_test_2_ndebug.o): Likewise.
6516	(two_file_test_main_ndebug.o): Likewise.
6517	(incremental_test_2): Link with no-debug versions.
6518
65192011-07-06  Cary Coutant  <ccoutant@google.com>
6520
6521	* incremental.cc
6522	(Output_section_incremental_inputs::write_info_blocks): Check for
6523	hidden and internal symbols.
6524
65252011-07-06  Cary Coutant  <ccoutant@google.com>
6526
6527	* incremental.cc (Sized_incremental_binary::do_file_has_changed):
6528	Check disposition for startup file.
6529	(Incremental_inputs::report_command_line): Ignore
6530	--incremental-startup-unchanged option.
6531	* options.cc (General_options::parse_incremental_startup_unchanged):
6532	New function.
6533	(General_options::General_options): Initialize new data member.
6534	* options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
6535	(General_options): Add --incremental-startup-unchanged option.
6536	(General_options::incremental_startup_disposition): New function.
6537	(General_options::incremental_startup_disposition_): New data member.
6538
65392011-07-06  Cary Coutant  <ccoutant@google.com>
6540
6541	* incremental.cc (Sized_incremental_binary::setup_readers): Pass
6542	input file index to Script_info ctor.
6543	(Sized_incremental_binary::do_file_has_changed): Find the
6544	command-line argument for files named in scripts.
6545	* incremental.h (Script_info::Script_info): New ctor
6546	with input file index.
6547	(Script_info::input_file_index): New function.
6548	(Script_info::input_file_index_): New data member.
6549	(Incremental_binary::get_library): Add const.
6550	(Incremental_binary::get_script_info): Add const.
6551	* readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
6552	* testsuite/Makefile.am (incremental_test_5): New test case.
6553	(incremental_test_6): New test case.
6554	* testsuite/Makefile.in: Regenerate.
6555
65562011-07-06  Cary Coutant  <ccoutant@google.com>
6557
6558	* incremental.cc (Sized_incremental_binary::do_check_inputs): Add
6559	debug output when command lines differ.
6560
65612011-07-06  Cary Coutant  <ccoutant@google.com>
6562
6563	* incremental.cc (Incremental_inputs::report_command_line): Ignore
6564	--incremental-patch option.
6565	* layout.cc (Free_list::allocate): Extend allocation beyond original
6566	end if enabled.
6567	(Layout::make_output_section): Mark sections that should get
6568	patch space.
6569	* options.cc (parse_percent): New function.
6570	* options.h (parse_percent): New function.
6571	(DEFINE_percent): New macro.
6572	(General_options): Add --incremental-patch option.
6573	* output.cc (Output_section::Output_section): Initialize new data
6574	members.
6575	(Output_section::add_input_section): Print section name when out
6576	of patch space.
6577	(Output_section::add_output_section_data): Likewise.
6578	(Output_section::set_final_data_size): Add patch space when
6579	doing --incremental-full.
6580	(Output_section::do_reset_address_and_file_offset): Remove patch
6581	space.
6582	(Output_segment::set_section_list_addresses): Print debug output
6583	only if --incremental-update.
6584	* output.h (Output_section::set_is_patch_space_allowed): New function.
6585	(Output_section::is_patch_space_allowed_): New data member.
6586	(Output_section::patch_space_): New data member.
6587	* parameters.cc (Parameters::incremental_full): New function.
6588	* parameters.h (Parameters::incremental_full): New function
6589	* testsuite/Makefile.am (incremental_test_2): Add test for
6590	--incremental-patch option.
6591	* testsuite/Makefile.in: Regenerate.
6592	* testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
6593	(t18): Remove function body.
6594
65952011-07-05  Doug Kwan  <dougkwan@google.com>
6596
6597	PR gold/12771
6598	* arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
6599	Arm_Address type for relocation result.
6600	(Arm_relocate_functions::abs16): Use unaligned access.  Also fix
6601	overflow check.
6602	(Arm_relocate_functions::abs32): Use unaligned access.
6603	(Arm_relocate_functions::rel32): Ditto.
6604	(Arm_relocate_functions::prel31): Ditto.
6605	(Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
6606	* testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
6607	static data relocations.
6608	* testsuite/Makefile.in: Regnerate.
6609	* testsuite/arm_unaligned_reloc.{s,sh}: New files.
6610
66112011-07-05  Ian Lance Taylor  <iant@google.com>
6612
6613	PR gold/12392
6614	* i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
6615	symbols if necessary.
6616	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6617
66182011-07-05  Ian Lance Taylor  <iant@google.com>
6619
6620	PR gold/12952
6621	* resolve.cc (Symbol::override_base_with_special): Simply override
6622	version with special symbol version, ignoring previous version.
6623
66242011-07-05  Ian Lance Taylor  <iant@google.com>
6625
6626	* object.cc (Sized_relobj_file::include_section_group): Add
6627	information to comment about signature location.
6628
66292011-07-02  Ian Lance Taylor  <iant@google.com>
6630
6631	PR gold/12957
6632	* options.h (class General_options): Add -f and -F.
6633	* options.cc (General_options::finalize): Fatal error if -f/-F
6634	are used without -shared.
6635	* layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
6636
66372011-07-02  Ian Lance Taylor  <iant@google.com>
6638
6639	* dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
6640
66412011-07-01  Ian Lance Taylor  <iant@google.com>
6642
6643	PR gold/12525
6644	PR gold/12952
6645	* resolve.cc (Symbol::override_base_with_special): Don't override
6646	the version if the overriding symbol has a different name.
6647	* dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
6648	all callers.  If we give an error about an undefined version,
6649	define the base version if necessary.
6650	* dynobj.h (class Versions): Update declaration.
6651	* testsuite/weak_alias_test_5.cc: New file.
6652	* testsuite/weak_alias_test.script: New file.
6653	* testsuite/weak_alias_test_main.cc: Check that versioned_symbol
6654	and versioned_alias have the right value, and call t2.
6655	* testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
6656	weak_alias_test_5.so.
6657	(weak_alias_test_LDADD): Likewise.
6658	(weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
6659	* testsuite/Makefile.in: Rebuild.
6660
66612011-07-01  Ian Lance Taylor  <iant@google.com>
6662
6663	PR gold/12525
6664	* options.h (class General_options): Support -z notext.
6665	* testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
6666	-Wl,-z,notext.
6667	(two_file_shared_nonpic.so): Likewise.
6668	(two_file_shared_mixed.so): Likewise.
6669	(two_file_shared_mixed_1.so): Likewise.
6670	(weak_undef_lib_nonpic.so): Likewise.
6671	(alt/weak_undef_lib_nonpic.so): Likewise.
6672	(tls_test_shared_nonpic.so): Likewise.
6673	* testsuite/Makefile.in: Rebuild.
6674
66752011-07-01  Ian Lance Taylor  <iant@google.com>
6676
6677	PR gold/12525
6678	* configure.ac: Test whether static linking works, setting
6679	the automake conditional HAVE_STATIC.
6680	* testsuite/Makefile.am: Disable tests using -static if
6681	HAVE_STATIC is not true.
6682	* configure, testsuite/Makefile.in: Rebuild.
6683
66842011-07-01  Ian Lance Taylor  <iant@google.com>
6685
6686	PR gold/12525
6687	* ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
6688	Assert if we see DW_EH_PE_indirect.
6689	* target.h (Target::ehframe_datarel_base): New function.
6690	(Target::do_ehframe_datarel_base): New target function.
6691	* i386.cc (Target_i386::do_ehframe_datarel_base): New function.
6692	* x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
6693	function.
6694
66952011-07-01  Ian Lance Taylor  <iant@google.com>
6696
6697	PR gold/12571
6698	* options.h (class General_options): Add
6699	--ld-generated-unwind-info.
6700	* ehframe.cc (Fde::write): Add address parameter.  Change all
6701	callers.  If associated with PLT, fill in address and size.
6702	(Cie::set_output_offset): Only add merge mapping if there is an
6703	object.
6704	(Cie::write): Add address parameter.  Change all callers.
6705	(Eh_frame::add_ehframe_for_plt): New function.
6706	* ehframe.h (class Fde): Update declarations.  Move shndx_ and
6707	input_offset_ fields into union u_, with new plt field.
6708	(Fde::Fde): Adjust for new union field.
6709	(Fde::Fde) [Output_data version]: New constructor.
6710	(Fde::add_mapping): Only add merge mapping if there is an object.
6711	(class Cie): Update declarations.
6712	(class Eh_frame): Declare add_ehframe_for_plt.
6713	* layout.cc (Layout::layout_eh_frame): Break out code into
6714	make_eh_frame_section, and call it.
6715	(Layout::make_eh_frame_section): New function.
6716	(Layout::add_eh_frame_for_plt): New function.
6717	* layout.h (class Layout): Update declarations.
6718	* merge.cc (Merge_map::add_mapping): Add assertion.
6719	* i386.cc: Include "dwarf.h".
6720	(class Output_data_plt_i386): Make first_plt_entry,
6721	dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
6722	plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
6723	and plt_eh_frame_fde.
6724	(Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
6725	boundary.  Call add_eh_frame_for_plt if appropriate.
6726	* x86_64.cc: Include "dwarf.h".
6727	(class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
6728	first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
6729	plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
6730	and plt_eh_frame_fde.
6731	(Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
6732	appropriate.
6733
67342011-06-29  Ian Lance Taylor  <iant@google.com>
6735
6736	PR gold/12629
6737	* object.cc (Sized_relobj_file::layout_section): Change shdr
6738	parameter to be const.
6739	(Sized_relobj_file::layout_eh_frame_section): New function, broken
6740	out of do_layout.
6741	(Sized_relobj_file::do_layout): Defer .eh_frame sections if
6742	appropriate.  Call layout_eh_frame_section.
6743	(Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
6744	sections.
6745	* object.h (class Sized_relobj_file): Update declarations.
6746
67472011-06-29  Ian Lance Taylor  <iant@google.com>
6748
6749	PR gold/12652
6750	* script.cc (Token::integer_value): Accept trailing M/m/K/k
6751	modifier.
6752	(Lex::gather_token): Accept trailing M/m/K/k for integers.
6753
67542011-06-29  Ian Lance Taylor  <iant@google.com>
6755
6756	PR gold/12675
6757	* object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
6758	SHT_X86_64_UNWIND.
6759	* layout.cc (Layout::layout_eh_frame): Likewise.
6760
67612011-06-29  Ian Lance Taylor  <iant@google.com>
6762
6763	PR gold/12695
6764	* layout.cc (Layout::symtab_section_shndx): New function.
6765	* layout.h (class Layout): Declare symtab_section_shndx.
6766	* output.cc (Output_section::write_header): Call it.
6767
67682011-06-29  Ian Lance Taylor  <iant@google.com>
6769
6770	PR gold/12818
6771	* symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
6772	symbols which are not used in a relocation.
6773
67742011-06-28  Ian Lance Taylor  <iant@google.com>
6775
6776	PR gold/12898
6777	* layout.cc (Layout::segment_precedes): Don't crash if a linker
6778	script create indistinguishable segments.
6779	(Layout::set_segment_offsets): Use stable_sort when sorting
6780	segments.  Pass this to Compare_segments constructor.
6781	* layout.h (class Layout): Make segment_precedes non-static.
6782	(class Compare_segments): Change from struct to class.  Add
6783	layout_ field.  Add constructor.
6784	* script-sections.cc
6785	(Script_sections::attach_sections_using_phdrs_clause): Rename
6786	local orphan to is_orphan.  Don't report failure to put empty
6787	section in segment.  On attachment failure, report name of
6788	section, and attach to first PT_LOAD segment.
6789
67902011-06-28  Ian Lance Taylor  <iant@google.com>
6791
6792	PR gold/12934
6793	* target-select.cc (Target_selector::Target_selector): Add
6794	emulation parameter.  Change all callers.
6795	(select_target_by_bfd_name): Rename from select_target_by_name.
6796	Change all callers.
6797	(select_target_by_emulation): New function.
6798	(supported_emulation_names): New function.
6799	* target-select.h (class Target_selector): Add emulation_ field.
6800	Update declarations.
6801	(Target_selector::recognize_by_bfd_name): Rename from
6802	recognize_by_name.  Change all callers.
6803	(Target_selector::supported_bfd_names): Rename from
6804	supported_names.  Change all callers.
6805	(Target_selector::recognize_by_emulation): New function.
6806	(Target_selector::supported_emulations): New function.
6807	(Target_selector::emulation): New function.
6808	(Target_selector::do_recognize_by_bfd_name): Rename from
6809	do_recognize_by_name.  Change all callers.
6810	(Target_selector::do_supported_bfd_names): Rename from
6811	do_supported_names.  Change all callers.
6812	(Target_selector::do_recognize_by_emulation): New function.
6813	(Target_selector::do_supported_emulations): New function.
6814	(select_target_by_bfd_name): Change name in declaration.
6815	(select_target_by_emulation): Declare.
6816	(supported_emulation_names): Declare.
6817	* parameters.cc (parameters_force_valid_target): Try to find
6818	target based on emulation from -m option.
6819	* options.h (class General_options): Change doc string for -m.
6820	* options.cc (help): Print emulations.
6821	(General_options::parse_V): Likewise.
6822	* freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
6823	Add emulation parameter.  Change all callers.
6824
68252011-06-28  Ian Lance Taylor  <iant@google.com>
6826
6827	* target.h (class Target): Add osabi_ field.
6828	(Target::osabi): New function.
6829	(Target::set_osabi): New function.
6830	(Target::Target): Initialize osabi_.
6831	(Target::do_adjust_elf_header): Make pure virtual.
6832	(Sized_target::do_adjust_elf_header): Declare.
6833	* target.cc (Sized_target::do_adjust_elf_header): New function.
6834	(class Sized_target): Instantiate all versions.
6835	* freebsd.h (class Target_freebsd): Remove.
6836	(Target_selector_freebsd::do_recognize): Call set_osabi on
6837	Target.
6838	(Target_selector_freebsd::do_recognize_by_name): Likewise.
6839	(Target_selector_freebsd::set_osabi): Remove.
6840	* i386.cc (class Target_i386): Inherit from Sized_target rather
6841	than Target_freebsd.
6842	* x86_64.cc (class Target_x86_64): Likewise.
6843
68442011-06-28  Ian Lance Taylor  <iant@google.com>
6845
6846	* target.h (Target::can_check_for_function_pointers): Rewrite.
6847	Make non-virtual.
6848	(Target::can_icf_inline_merge_sections): Likewise.
6849	(Target::section_may_have_icf_unsafe_poineters): Likewise.
6850	(Target::Target_info): Add can_icf_inline_merge_sections field.
6851	(Target::do_can_check_for_function_pointers): New virtual
6852	function.
6853	(Target::do_section_may_have_icf_unsafe_pointers): Likewise.
6854	* arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
6855	from can_check_for_function_pointers, move in file.
6856	(Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
6857	section_may_have_icf_unsafe_poineters, move in file.
6858	(Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
6859	* i386.cc (Target_i386::do_can_check_for_function_pointers):
6860	Rename from can_check_for_function_pointers, move in file.
6861	(Target_i386::can_icf_inline_merge_sections): Remove.
6862	(Target_i386::i386_info): Initialize
6863	can_icf_inline_merge_sections.
6864	* powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6865	Initialize can_icf_inline_merge_sections.
6866	* sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
6867	* x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
6868	Rename from can_check_for_function_pointers, move in file.
6869	(Target_x86_64::can_icf_inline_merge_sections): Remove.
6870	(Target_x86_64::x86_64_info): Initialize
6871	can_icf_inline_merge_sections.
6872	* testsuite/testfile.cc (Target_test::test_target_info):
6873	Likewise.
6874	* icf.cc (get_section_contents): Correct formatting.
6875
68762011-06-27  Ian Lance Taylor  <iant@google.com>
6877
6878	* symtab.cc (Symbol::versioned_name): New function.
6879	(Symbol_table::add_to_final_symtab): Use versioned_name when
6880	appropriate.
6881	(Symbol_table::sized_write_symbol): Likewise.
6882	* symtab.h (class Symbol): Declare versioned_name.
6883	* stringpool.h (class Stringpool_template): Add variant of add
6884	which takes a std::basic_string.
6885	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
6886	(ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
6887	(ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
6888	(ver_test_12.o): New target.
6889	* testsuite/Makefile.in: Rebuild.
6890
68912011-06-27  Doug Kwan  <dougkwan@google.com>
6892
6893	* arm.cc (Arm_relocate_functions::thm_jump8,
6894	Arm_relocate_functions::thm_jump11): Use a wider signed
6895	type to compute offset.
6896	* testsuite/Makefile.am: Add new tests arm_thm_jump11 and
6897	arm_thm_jump8.
6898	* testsuite/Makefile.in: Regenerate.
6899	* testsuite/arm_branch_in_range.sh: Check test results of
6900	arm_thm_jump11 and arm_thm_jump8.
6901	* testsuite/arm_thm_jump11.s: New test source file.
6902	* testsuite/arm_thm_jump11.t: New linker script.
6903	* testsuite/arm_thm_jump8.s: New test source file.
6904	* testsuite/arm_thm_jump8.t: New linker script.
6905
69062011-06-24  Ian Lance Taylor  <iant@google.com>
6907
6908	* layout.cc: Include "object.h".
6909	(ctors_sections_in_init_array): New static variable.
6910	(Layout::is_ctors_in_init_array): New function.
6911	(Layout::layout): Add entry to ctors_sections_in_init_array if
6912	appropriate.
6913	* layout.h (class Layout): Declare is_ctors_in_init_array.
6914	* reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
6915	is_ctors_reverse_view is set.
6916	(Sized_relobj_file::write_sections): Add layout parameter.  Change
6917	all callers.  Set is_ctors_reverse_view field of View_size.
6918	(Sized_relobj_file::reverse_words): New function.
6919	* object.h (Sized_relobj_file::View_size): Add
6920	is_ctors_reverse_view field.
6921	(class Sized_relobj_file): Update declarations.
6922	* testsuite/initpri3.c: New test.
6923	* testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
6924	initpri3b.
6925	(initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
6926	(initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
6927	(initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
6928	(initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
6929	* testsuite/Makefile.in: Rebuild.
6930
69312011-06-24  Cary Coutant  <ccoutant@google.com>
6932
6933	* testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
6934	(debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
6935	(debug_msg_cdebug.err): New targets.
6936	* testsuite/Makefile.in: Regenerate.
6937	* testsuite/debug_msg.sh: Check output of link with compressed debug.
6938	Fix checks for link with shared library.
6939
69402011-06-24  Doug Kwan  <dougkwan@google.com>
6941
6942	* arm.cc (Arm_output_section::append_text_sections_to_list): Do not
6943	skip empty text sections.
6944	* testsuite/arm_exidx_test.s: Test handling of an empty text section.
6945
69462011-06-22  Ian Lance Taylor  <iant@google.com>
6947
6948	PR gold/12910
6949	* options.h (class General_options): Add --ctors-in-init-array.
6950	* layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
6951	friends as SHT_PROGBITS for merging sections.
6952	(Layout::layout): Remove special handling of .init_array and
6953	friends.  Don't sort if doing relocatable link.  Sort for .ctors
6954	and .dtors if ctors_in_init_array.
6955	(Layout::make_output_section): Force correct section types for
6956	.init_array and friends.  Don't sort if doing relocatable link,
6957	Don't sort .ctors and .dtors if ctors_in_init_array.
6958	(Layout::section_name_mapping): Remove .ctors. and .dtorso.
6959	(Layout::output_section_name): Add relobj parameter.  Change all
6960	callers.  Handle .ctors. and .dtors. in code rather than table.
6961	Handle .ctors and .dtors if ctors_in_init_array.
6962	(Layout::match_file_name): New function, moved from output.cc.
6963	* layout.h (class Layout): Update declarations.
6964	* output.cc: Include "layout.h".
6965	(Input_section_sort_entry::get_priority): New function.
6966	(Input_section_sort_entry::match_file_name): Just call
6967	Layout::match_file_name.
6968	(Output_section::Input_section_sort_init_fini_compare::operator()):
6969	Handle .ctors and .dtors.  Sort by explicit priority rather than
6970	by name.
6971	* configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
6972	* testsuite/initpri2.c: New test.
6973	* testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
6974	(check_PROGRAMS): Add initpri2.
6975	(initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
6976	(initpri2_LDFLAGS, initpri2_LDADD): New variables.
6977	* configure, testsuite/Makefile.in: Rebuild.
6978
69792011-06-19  Ian Lance Taylor  <iant@google.com>
6980
6981	PR gold/12880
6982	* layout.cc (Layout::attach_allocated_section_to_segment): Add a
6983	.interp section to a PT_INTERP segment even if we have seen a
6984	--dynamic-linker option.  Don't do it if we have seen a PHDRS
6985	clause in a linker script.
6986	(Layout::finalize): Don't create a .interp section if we've
6987	already create a PT_INTERP segment.
6988	(Layout::create_interp): Always call choose_output_section (revert
6989	patch of 2011-06-17).  Don't create PT_INTERP segment.
6990	* script-sections.cc
6991	(Script_sections::create_note_and_tls_segments): Add a .interp
6992	section to a PT_INTERP segment even if we have seen a
6993	--dynamic-linker option.
6994
69952011-06-18  Ian Lance Taylor  <iant@google.com>
6996
6997	* layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
6998	merely because a non-PT_LOAD segment has a dynamic reloc.
6999
70002011-06-18  Ian Lance Taylor  <iant@google.com>
7001
7002	* layout.cc (Layout::finish_dynamic_section): Don't create
7003	DT_FLAGS entry if not needed.
7004
70052011-06-18  Ian Lance Taylor  <iant@google.com>
7006
7007	PR gold/12745
7008	* layout.cc (Layout::layout_eh_frame): Correct handling of
7009	writable .eh_frame section.
7010
70112011-06-17  Ian Lance Taylor  <iant@google.com>
7012
7013	PR gold/12893
7014	* resolve.cc (Symbol_table::resolve): Don't give an error if a
7015	symbol is redefined with the exact same object and value.
7016
70172011-06-17  Ian Lance Taylor  <iant@google.com>
7018
7019	PR gold/12880
7020	* layout.h (class Layout): Add interp_segment_ field.
7021	* layout.cc (Layout::Layout): Initialize interp_segment_ field.
7022	(Layout::attach_allocated_section_to_segment): If making shared
7023	library, put .interp section in PT_INTERP segment.
7024	(Layout::finalize): Also call create_interp if -dynamic-linker
7025	option was used.
7026	(Layout::create_interp): Assert that there is no PT_INTERP
7027	segment.  If not using a SECTIONS clause, use make_output_section.
7028	(Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
7029	* script-sections.cc
7030	(Script_sections::create_note_and_tls_segments): If making shared
7031	library, put .interp section in PT_INTERP segment.
7032
70332011-06-17  Ian Lance Taylor  <iant@google.com>
7034
7035	* object.cc (Sized_relobj_file::do_layout): Keep warning sections
7036	when making a shared library.
7037
70382011-06-17  Ian Lance Taylor  <iant@google.com>
7039
7040	* x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
7041	parameter.  Change all callers.  Don't issue warning about PC32
7042	against locally defined symbol.
7043
70442011-06-16  Ian Lance Taylor  <iant@google.com>
7045
7046	* symtab.cc (Warnings::issue_warning): Don't warn if relocation
7047	occurs in same object.
7048
70492011-06-14  Alan Modra  <amodra@gmail.com>
7050
7051	* po/POTFILES.in: Regenerate.
7052
70532011-06-09  Ian Lance Taylor  <iant@google.com>
7054
7055	* script-sections.cc
7056	(Orphan_output_section::set_section_addresses): For a relocatable
7057	link set address to 0.
7058
70592011-06-09  Cary Coutant  <ccoutant@google.com>
7060
7061	PR gold/12804
7062	* gold.cc (queue_initial_tasks): Warn if --incremental is
7063	used with --compress-debug-sections.
7064	* object.cc (Sized_relobj_file::do_layout): Report
7065	uncompressed size of compressed input sections.
7066
70672011-06-08  Cary Coutant  <ccoutant@google.com>
7068
7069	PR gold/12804
7070	* testsuite/two_file_test_2_v1.cc: Change initialization of
7071	v2 to keep it in .data.
7072
70732011-06-07  Cary Coutant  <ccoutant@google.com>
7074
7075	* common.cc (Symbol_table::do_allocate_commons_list): Call
7076	gold_fallback.
7077	* errors.cc (Errors::fatal): Adjust call to gold_exit.
7078	(Errors::fallback): New function.
7079	(gold_fallback): New function.
7080	* errors.h (Errors::fallback): New function.
7081	* gold.cc (gold_exit): Change status parameter to enum; adjust
7082	all callers.
7083	(queue_initial_tasks): Call gold_fallback.
7084	* gold.h: Include cstdlib.
7085	(Exit_status): New enum type.
7086	(gold_exit): Change status parameter to enum.
7087	(gold_fallback): New function.
7088	* layout.cc (Layout::set_section_offsets): Call gold_fallback.
7089	(Layout::create_symtab_sections): Likewise.
7090	(Layout::create_shdrs): Likewise.
7091	* main.cc (main): Adjust call to gold_exit.
7092	* output.cc (Output_data_got::add_got_entry): Call gold_fallback.
7093	(Output_data_got::add_got_entry_pair): Likewise.
7094	(Output_section::add_input_section): Likewise.
7095	(Output_section::add_output_section_data): Likewise.
7096	(Output_segment::set_section_list_addresses): Likewise.
7097	* x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
7098
70992011-06-07  Cary Coutant  <ccoutant@google.com>
7100
7101	* layout.cc (Layout::set_segment_offsets): Don't adjust layout
7102	for incremental links.
7103	* output.cc (Output_segment::set_section_list_addresses): Remove
7104	FIXME and test for TLS or BSS.
7105
71062011-06-07  Cary Coutant  <ccoutant@google.com>
7107
7108	* testsuite/Makefile.am: Add incremental_copy_test,
7109	incremental_common_test_1.
7110	* testsuite/Makefile.in: Regenerate.
7111	* testsuite/common_test_1_v1.c: New source file.
7112	* testsuite/common_test_1_v2.c: New source file.
7113	* testsuite/copy_test_v1.cc: New source file.
7114
71152011-06-07  Cary Coutant  <ccoutant@google.com>
7116
7117	* common.cc (Symbol_table::do_allocate_commons_list): For incremental
7118	update, allocate common from bss section's free list.
7119	* incremental-dump.cc (dump_incremental_inputs): Print flag for
7120	linker-defined symbols.
7121	* incremental.cc (Sized_incremental_binary::do_process_got_plt):
7122	Skip GOT and PLT entries that are no longer referenced.
7123	(Output_section_incremental_inputs::write_info_blocks): Mark
7124	linker-defined symbols.
7125	(Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
7126	* output.cc (Output_section::allocate): New function.
7127	* output.h (Output_section::allocate): New function.
7128	* resolve.cc (Symbol_table::report_resolve_problem): Add case for
7129	linker-defined symbols.
7130	(Symbol::override_base_with_special): Copy is_predefined_ flag.
7131	* symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
7132	(Symbol::init_base_output_data): Likewise.
7133	(Symbol::init_base_output_segment): Likewise.
7134	(Symbol::init_base_constant): Likewise.
7135	(Sized_symbol::init_output_data): Likewise.
7136	(Sized_symbol::init_output_segment): Likewise.
7137	(Sized_symbol::init_constant): Likewise.
7138	(Symbol_table::do_define_in_output_data): Likewise.
7139	(Symbol_table::do_define_in_output_segment): Likewise.
7140	(Symbol_table::do_define_as_constant): Likewise.
7141	* symtab.h (Symbol::is_predefined): New function.
7142	(Symbol::init_base_output_data): Add is_predefined parameter.
7143	(Symbol::init_base_output_segment): Likewise.
7144	(Symbol::init_base_constant): Likewise.
7145	(Symbol::is_predefined_): New data member.
7146	(Sized_symbol::init_output_data): Add is_predefined parameter.
7147	(Sized_symbol::init_output_segment): Likewise.
7148	(Sized_symbol::init_constant): Likewise.
7149	(enum Symbol_table::Defined): Add INCREMENTAL_BASE.
7150
71512011-06-07  Cary Coutant  <ccoutant@google.com>
7152
7153	* copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
7154	instead of emit_copy_reloc.
7155	(Copy_relocs::emit_copy_reloc): Refactor.
7156	(Copy_relocs::make_copy_reloc): New function.
7157	(Copy_relocs::add_copy_reloc): Remove.
7158	* copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
7159	section.
7160	(Copy_relocs::make_copy_reloc): New function.
7161	(Copy_relocs::add_copy_reloc): Remove.
7162	* gold.cc (queue_middle_tasks): Emit old COPY relocations from
7163	unchanged input files.
7164	* incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
7165	* incremental.cc (Sized_incremental_binary::do_reserve_layout):
7166	Reserve BSS space for COPY relocations.
7167	(Sized_incremental_binary::do_emit_copy_relocs): New function.
7168	(Output_section_incremental_inputs::write_info_blocks): Record
7169	whether a symbol is copied from a shared object.
7170	(Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
7171	* incremental.h (enum Incremental_shlib_symbol_flags): New type.
7172	(INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
7173	(Incremental_input_entry_reader::get_output_symbol_index): Add
7174	is_copy parameter.
7175	(Incremental_binary::emit_copy_relocs): New function.
7176	(Incremental_binary::do_emit_copy_relocs): New function.
7177	(Sized_incremental_binary::Sized_incremental_binary): Initialize
7178	new data member.
7179	(Sized_incremental_binary::add_copy_reloc): New function.
7180	(Sized_incremental_binary::do_emit_copy_relocs): New function.
7181	(Sized_incremental_binary::Copy_reloc): New struct.
7182	(Sized_incremental_binary::Copy_relocs): New typedef.
7183	(Sized_incremental_binary::copy_relocs_): New data member.
7184	* symtab.cc (Symbol_table::add_from_incrobj): Change return type.
7185	* symtab.h (Symbol_table::add_from_incrobj): Change return type.
7186	* target.h (Sized_target::emit_copy_reloc): New function.
7187	* x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
7188
71892011-06-02  Cary Coutant  <ccoutant@google.com>
7190
7191	PR gold/12163
7192	* archive.cc (Archive::Archive): Initialize new data member.
7193	(Archive::include_all_members): Return if archive has already been
7194	included.
7195	* archive.h (Archive::include_all_members_): New data member.
7196
71972011-06-02  Nick Clifton  <nickc@redhat.com>
7198
7199	* dynobj.h: Fix spelling mistake in comment.
7200	* output.cc: Likewise.
7201
72022011-05-31  Doug Kwan  <dougkwan@google.com>
7203	    Asier Llano
7204
7205	PR gold/12826
7206	* arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
7207	arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
7208	* testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
7209	redundant arm_exidx_test.so.
7210	* testsuite/Makefile.in: Regenerate.
7211	(check_SCRIPTS): Add pr12826.sh
7212	(check_DATA): Add pr12826.stdout
7213	(pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
7214	* testsuite/pr12826.sh: New file.
7215	* testsuite/pr12826_1.s: Ditto.
7216	* testsuite/pr12826_1.s: Ditto.
7217
72182011-05-30  Ian Lance Taylor  <iant@google.com>
7219
7220	* reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
7221	sections.
7222
72232011-05-29  Ian Lance Taylor  <iant@google.com>
7224
7225	PR gold/12804
7226	* testsuite/Makefile.am: Use different file name for two_file_test
7227	temporary file for each incremental test.
7228	* testsuite/Makefile.in: Rebuild.
7229
72302011-05-29  Ian Lance Taylor  <iant@google.com>
7231
7232	* binary.cc (Binary_to_elf::sized_convert): Don't crash if the
7233	binary input file is empty.
7234
72352011-05-27  Ian Lance Taylor  <iant@google.com>
7236
7237	* testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
7238	(ver_test_9.so): Likewise.
7239	* testsuite/Makefile.in: Rebuild.
7240
72412011-05-26 Cary Coutant  <ccoutant@google.com>
7242
7243	* incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
7244	* incremental.cc (Incremental_inputs::report_input_section): Fix
7245	comment, indentation.
7246	(Incremental_inputs::report_comdat_group): New function.
7247	(Output_section_incremental_inputs::set_final_data_size): Adjust size
7248	of data for incremental input file entry.
7249	(Output_section_incremental_inputs::write_info_blocks): Write COMDAT
7250	group count, COMDAT group signatures.
7251	(Sized_incr_relobj::do_layout): Record kept COMDAT group info from
7252	an unchanged input file.
7253	* incremental.h (Incremental_object_entry::Incremental_object_entry):
7254	Initialize new data member.
7255	(Incremental_object_entry::add_comdat_group): New function.
7256	(Incremental_object_entry::get_comdat_group_count): New function.
7257	(Incremental_object_entry::get_comdat_signature_key): New function.
7258	(Incremental_object_entry::groups_): New data member.
7259	(Incremental_inputs::report_comdat_group): New function.
7260	(Incremental_input_entry_reader::get_symbol_offset): Adjust size of
7261	data for incremental input file entry.
7262	(Incremental_input_entry_reader::get_comdat_group_count): New function.
7263	(Incremental_input_entry_reader::get_input_section): Adjust size of
7264	data for incremental input file entry.
7265	(Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
7266	(Incremental_input_entry_reader::get_comdat_group_signature): New
7267	function.
7268	* object.cc (Sized_relobj::include_section_group): Report kept
7269	COMDAT groups for incremental links.
7270
72712011-05-24  David Meyer  <pdox@google.com>
7272
7273	* dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
7274	with name parameter.  Add found_name parameter.
7275	* fileread.cc (Input_file::find_file): Adjust code accordingly.
7276	* dirsearch.h (class Dirsearch): Update declaration.
7277
72782011-05-24  Ian Lance Taylor  <iant@google.com>
7279
7280	* archive.cc (Library_base::should_include_member): Pull in object
7281	from archive if it defines the entry symbol.
7282	* parameters.cc (Parameters::entry): New function.
7283	* parameters.h (class Parameters): Declare entry.
7284	* output.h (class Output_file_header): Remove entry_ field.
7285	* output.cc (Output_file_header::Output_file_header): Remove entry
7286	parameter.  Change all callers.
7287	(Output_file_header::entry): Use parameters->entry.
7288	* gold.cc (queue_middle_tasks): Likewise.
7289	* plugin.cc (Plugin_hook::run): Likewise.
7290
72912011-05-24 Cary Coutant  <ccoutant@google.com>
7292
7293	* gold.cc (queue_initial_tasks): Pass incremental base filename
7294	to Output_file::open_base_file; don't print error message.
7295	* incremental-dump.cc (main): Adjust call to
7296	Output_file::open_for_modification.
7297	* incremental-dump.cc (main): Likewise.
7298	* incremental.cc (Incremental_inputs::report_command_line):
7299	Ignore --incremental-base option when comparing command lines.
7300	Ignore parameter when given as separate argument.
7301	* options.h (class General_options): Add --incremental-base.
7302	* output.cc (Output_file::Output_file):
7303	(Output_file::open_base_file): Add base_name and writable parameters;
7304	read base file into new file; print error message here.
7305	(Output_file::map_no_anonymous): Add writable parameter; adjust all
7306	callers.
7307	* output.h (Output_file::open_for_modification): Rename to...
7308	(Output_file::open_base_file): ...this; add base_name and
7309	writable parameters; adjust all callers.
7310	(Output_file::map_no_anonymous): Add writable parameter; adjust all
7311	callers.
7312	* testsuite/Makefile.am (incremental_test_4): Test
7313	--incremental-base.
7314	* testsuite/Makefile.in: Regenerate.
7315
73162011-05-24 Cary Coutant  <ccoutant@google.com>
7317
7318	* testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
7319	incremental_test_4.
7320	* testsuite/Makefile.in: Regenerate.
7321	* testsuite/two_file_test_1_v1.cc: New test source file.
7322	* testsuite/two_file_test_1b_v1.cc: New test source file.
7323	* testsuite/two_file_test_2_v1.cc: New test source file.
7324
73252011-05-24 Cary Coutant  <ccoutant@google.com>
7326
7327	* dynobj.h (Dynobj::do_dynobj): New function.
7328	* incremental-dump.cc (dump_incremental_inputs): Print as_needed
7329	flag and soname for shared objects.
7330	* incremental.cc (Incremental_inputs::report_object): Make
7331	either Incremental_object_entry or Incremental_dynobj_entry; add
7332	soname to string table.
7333	(Incremental_inputs::report_input_section): Add assertion.
7334	(Output_section_incremental_inputs::set_final_data_size): Adjust
7335	type of input file entry for shared libraries; adjust size of
7336	shared library info entry.
7337	(Output_section_incremental_inputs::write_input_files): Write
7338	as_needed flag for shared libraries.
7339	(Output_section_incremental_inputs::write_info_blocks): Adjust type
7340	of input file entry for shared libraries; write soname.
7341	(Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
7342	soname from incremental info.
7343	* incremental.h (enum Incremental_input_flags): Add
7344	INCREMENTAL_INPUT_AS_NEEDED.
7345	(Incremental_input_entry::Incremental_input_entry): Initialize new
7346	data member.
7347	(Incremental_input_entry::set_as_needed): New function.
7348	(Incremental_input_entry::as_needed): New function.
7349	(Incremental_input_entry::do_dynobj_entry): New function.
7350	(Incremental_input_entry::as_needed_): New data member.
7351	(Incremental_object_entry::Incremental_object_entry): Don't check
7352	for shared library.
7353	(Incremental_object_entry::do_type): Likewise.
7354	(class Incremental_dynobj_entry): New class.
7355	(Incremental_input_entry_reader::as_needed): New function.
7356	(Incremental_input_entry_reader::get_soname): New function.
7357	(Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
7358	(Incremental_input_entry_reader::get_output_symbol_index): Adjust
7359	size of shared library info entry.
7360	* layout.cc (Layout::finish_dynamic_section): Don't test for
7361	incremental link when adding DT_NEEDED entries.
7362	* object.h (Object::Object): Initialize new data member.
7363	(Object::dynobj): New function.
7364	(Object::set_as_needed): New function.
7365	(Object::as_needed): New function.
7366	(Object::do_dynobj): New function.
7367	(Object::as_needed_): New data member.
7368
73692011-05-24 Cary Coutant  <ccoutant@google.com>
7370
7371	* incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
7372	info; adjust display of GOT entries.
7373	* incremental.cc (Sized_incremental_binary::setup_readers): Allocate
7374	vector of input objects; remove file_status_.
7375	(Sized_incremental_binary::do_reserve_layout): Remove file_status_.
7376	(Sized_incremental_binary::do_process_got_plt): Adjust calls to
7377	got_plt reader; call target hooks to reserve GOT entries.
7378	(Output_section_incremental_inputs::set_final_data_size): Adjust size
7379	of input file info header and GOT info entry.
7380	(Output_section_incremental_inputs::write_info_blocks): Write dynamic
7381	relocation info.
7382	(Got_plt_view_info::got_descriptor): Remove.
7383	(Got_plt_view_info::sym_index): New data member.
7384	(Got_plt_view_info::input_index): New data member.
7385	(Local_got_offset_visitor::visit): Write input file index.
7386	(Global_got_offset_visitor::visit): Write 0 for input file index.
7387	(Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
7388	with sym_index and input_index.
7389	(Output_section_incremental_inputs::write_got_plt): Adjust size of
7390	incremental info GOT entry; replace got_descriptor with input_index.
7391	(Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
7392	map from input file index to object.
7393	(Sized_relobj_incr::do_layout): Replace direct data member reference
7394	with accessor function.
7395	(Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
7396	* incremental.h (Incremental_input_entry_reader::get_symbol_offset):
7397	Adjust size of input file info header.
7398	(Incremental_input_entry_reader::get_first_dyn_reloc): New function.
7399	(Incremental_input_entry_reader::get_dyn_reloc_count): New function.
7400	(Incremental_input_entry_reader::get_input_section): Adjust size of
7401	input file info header.
7402	(Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
7403	of incremental info GOT entry.
7404	(Incremental_got_plt_reader::get_got_desc): Remove.
7405	(Incremental_got_plt_reader::get_got_symndx): New function.
7406	(Incremental_got_plt_reader::get_got_input_index): New function.
7407	(Sized_incremental_binary::Sized_incremental_binary): Remove
7408	file_status_; add input_objects_.
7409	(Sized_incremental_binary::~Sized_incremental_binary): Remove.
7410	(Sized_incremental_binary::set_file_is_unchanged): Remove.
7411	(Sized_incremental_binary::file_is_unchanged): Remove.
7412	(Sized_incremental_binary::set_input_object): New function.
7413	(Sized_incremental_binary::input_object): New function.
7414	(Sized_incremental_binary::file_status_): Remove.
7415	(Sized_incremental_binary::input_objects_): New data member.
7416	(Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
7417	references.
7418	(Sized_relobj_incr::invalid_address): Move to base class.
7419	(Sized_relobj_incr::is_output_section_offset_invalid): Move to base
7420	class.
7421	(Sized_relobj_incr::do_output_section_offset): Likewise.
7422	(Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
7423	(Sized_relobj_incr::section_offsets_): Likewise.
7424	* object.cc (Sized_relobj::do_for_all_local_got_entries): New
7425	function.
7426	(Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
7427	(Sized_relobj_file::layout_section): Replace refs to section_offsets_
7428	with accessor function.
7429	(Sized_relobj_file::do_layout): Likewise.
7430	(Sized_relobj_file::do_layout_deferred_sections): Likewise.
7431	(Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
7432	(Sized_relobj_file::compute_final_local_value): Replace refs to
7433	section_offsets_ with accessor function.
7434	(Sized_relobj_file::do_finalize_local_symbols): Likewise.
7435	* object.h (Relobj::Relobj): Initialize new data members.
7436	(Relobj::add_dyn_reloc): New function.
7437	(Relobj::first_dyn_reloc): New function.
7438	(Relobj::dyn_reloc_count): New function.
7439	(Relobj::first_dyn_reloc_): New data member.
7440	(Relobj::dyn_reloc_count_): New data member.
7441	(Sized_relobj): Rename Sized_relobj_base to this; adjust all
7442	references.
7443	(Sized_relobj::Address): New typedef.
7444	(Sized_relobj::invalid_address): Move here from child class.
7445	(Sized_relobj::Sized_relobj): Initialize new data members.
7446	(Sized_relobj::sized_relobj): New function.
7447	(Sized_relobj::is_output_section_offset_invalid): Move here from
7448	child class.
7449	(Sized_relobj::get_output_section_offset): Likewise.
7450	(Sized_relobj::local_has_got_offset): Likewise.
7451	(Sized_relobj::local_got_offset): Likewise.
7452	(Sized_relobj::set_local_got_offset): Likewise.
7453	(Sized_relobj::do_for_all_local_got_entries): Likewise.
7454	(Sized_relobj::clear_got_offsets): New function.
7455	(Sized_relobj::section_offsets): Move here from child class.
7456	(Sized_relobj::do_output_section_offset): Likewise.
7457	(Sized_relobj::do_set_section_offset): Likewise.
7458	(Sized_relobj::Local_got_offsets): Likewise.
7459	(Sized_relobj::local_got_offsets_): Likewise.
7460	(Sized_relobj::section_offsets_): Likewise.
7461	(Sized_relobj_file): Rename Sized_relobj to this; adjust all
7462	references.
7463	(Sized_relobj_file::is_output_section_offset_invalid): Move to base
7464	class.
7465	(Sized_relobj_file::sized_relobj): New function
7466	(Sized_relobj_file::local_has_got_offset): Move to base class.
7467	(Sized_relobj_file::local_got_offset): Likewise.
7468	(Sized_relobj_file::set_local_got_offset): Likewise.
7469	(Sized_relobj_file::get_output_section_offset): Likewise.
7470	(Sized_relobj_file::do_for_all_local_got_entries): Likewise.
7471	(Sized_relobj_file::do_output_section_offset): Likewise.
7472	(Sized_relobj_file::do_set_section_offset): Likewise.
7473	(Sized_relobj_file::Local_got_offsets): Likewise.
7474	(Sized_relobj_file::local_got_offsets_): Likewise.
7475	(Sized_relobj_file::section_offsets_): Likewise.
7476	* output.cc (Output_reloc::Output_reloc): Adjust type of relobj
7477	(all constructors).
7478	(set_needs_dynsym_index): Convert relobj to derived class pointer.
7479	(Output_reloc::get_symbol_index): Likewise.
7480	(Output_reloc::local_section_offset): Likewise.
7481	(Output_reloc::get_address): Likewise.
7482	(Output_reloc::symbol_value): Likewise.
7483	(Output_data_got::reserve_slot): Move to class definition.
7484	(Output_data_got::reserve_local): New function.
7485	(Output_data_got::reserve_slot_for_global): Remove.
7486	(Output_data_got::reserve_global): New function.
7487	* output.h (Output_reloc::Output_reloc): Adjust type of relobj
7488	(all constructors, two instantiations).
7489	(Output_reloc::get_relobj): New function (two instantiations).
7490	(Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
7491	(Output_data_reloc_base::add): Convert relobj to derived class pointer.
7492	(Output_data_reloc::add_global): Adjust type of relobj.
7493	(Output_data_reloc::add_global_relative): Likewise.
7494	(Output_data_reloc::add_symbolless_global_addend): Likewise.
7495	(Output_data_reloc::add_local): Likewise.
7496	(Output_data_reloc::add_local_relative): Likewise.
7497	(Output_data_reloc::add_symbolless_local_addend): Likewise.
7498	(Output_data_reloc::add_local_section): Likewise.
7499	(Output_data_reloc::add_output_section): Likewise.
7500	(Output_data_reloc::add_absolute): Likewise.
7501	(Output_data_reloc::add_target_specific): Likewise.
7502	(Output_data_got::reserve_slot): Move definition here.
7503	(Output_data_got::reserve_local): New function.
7504	(Output_data_got::reserve_global): New function.
7505	* reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
7506	section_offsets_ with accessor function.
7507	(Sized_relobj_file::write_sections): Likewise.
7508	(Sized_relobj_file::do_relocate_sections): Likewise.
7509	* target.h (Sized_target::reserve_local_got_entry): New function.
7510	(Sized_target::reserve_global_got_entry): New function.
7511	* x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
7512	(Target_x86_64::reserve_global_got_entry): New function.
7513	(Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
7514
75152011-05-23 Cary Coutant  <ccoutant@google.com>
7516
7517	* gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
7518	* incremental-dump.cc (dump_incremental_inputs): Mask high-order
7519	bit when checking got_type.
7520	* incremental.cc (Sized_incremental_binary::setup_readers):
7521	Store symbol table and string table locations; initialize bit vector
7522	of file status flags.
7523	(Sized_incremental_binary::do_reserve_layout): Set bit flag for
7524	unchanged files.
7525	(Sized_incremental_binary::do_process_got_plt): New function.
7526	(Sized_incremental_binary::get_symtab_view): Use stored locations.
7527	(Output_section_incremental_inputs::set_final_data_size): Record
7528	file index for each input file.
7529	(Output_section_incremental_inputs::write_got_plt): Store file index
7530	instead of input entry offset for each GOT entry.
7531	* incremental.h
7532	(Incremental_input_entry::Incremental_input_entry): Initialize new
7533	data member.
7534	(Incremental_input_entry::set_offset): Store file index.
7535	(Incremental_input_entry::get_file_index): New function.
7536	(Incremental_input_entry::file_index_): New data member.
7537	(Incremental_binary::process_got_plt): New function.
7538	(Incremental_binary::do_process_got_plt): New function.
7539	(Sized_incremental_binary::Sized_incremental_binary): Initialize new
7540	data members.
7541	(Sized_incremental_binary::~Sized_incremental_binary): New destructor.
7542	(Sized_incremental_binary::set_file_is_unchanged): New function.
7543	(Sized_incremental_binary::file_is_unchanged): New function.
7544	(Sized_incremental_binary::do_process_got_plt): New function.
7545	(Sized_incremental_binary::file_status_): New data member.
7546	(Sized_incremental_binary::main_symtab_loc_): New data member.
7547	(Sized_incremental_binary::main_strtab_loc_): New data member.
7548	* output.cc (Output_data_got::Got_entry::write): Add case
7549	RESERVED_CODE.
7550	(Output_data_got::add_global): Call add_got_entry.
7551	(Output_data_got::add_global_plt): Likewise.
7552	(Output_data_got::add_global_with_rel): Likewise.
7553	(Output_data_got::add_global_with_rela): Likewise.
7554	(Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
7555	(Output_data_got::add_global_pair_with_rela): Likewise.
7556	(Output_data_got::add_local): Call add_got_entry.
7557	(Output_data_got::add_local_plt): Likewise.
7558	(Output_data_got::add_local_with_rel): Likewise.
7559	(Output_data_got::add_local_with_rela): Likewise.
7560	(Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
7561	(Output_data_got::add_local_pair_with_rela): Likewise.
7562	(Output_data_got::reserve_slot): New function.
7563	(Output_data_got::reserve_slot_for_global): New function.
7564	(Output_data_got::add_got_entry): New function.
7565	(Output_data_got::add_got_entry_pair): New function.
7566	(Output_section::add_output_section_data): Edit FIXME.
7567	* output.h
7568	(Output_section_data_build::Output_section_data_build): New
7569	constructor with size parameter.
7570	(Output_data_space::Output_data_space): Likewise.
7571	(Output_data_got::Output_data_got): Initialize new data member; new
7572	constructor with size parameter.
7573	(Output_data_got::add_constant): Call add_got_entry.
7574	(Output_data_got::reserve_slot): New function.
7575	(Output_data_got::reserve_slot_for_global): New function.
7576	(class Output_data_got::Got_entry): Add RESERVED_CODE.
7577	(Output_data_got::add_got_entry): New function.
7578	(Output_data_got::add_got_entry_pair): New function.
7579	(Output_data_got::free_list_): New data member.
7580	* target.h (Sized_target::init_got_plt_for_update): New function.
7581	(Sized_target::register_global_plt_entry): New function.
7582	* x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
7583	Initialize new data member; call init; add constructor with PLT count.
7584	(Output_data_plt_x86_64::init): New function.
7585	(Output_data_plt_x86_64::add_relocation): New function.
7586	(Output_data_plt_x86_64::reserve_slot): New function.
7587	(Output_data_plt_x86_64::free_list_): New data member.
7588	(Target_x86_64::init_got_plt_for_update): New function.
7589	(Target_x86_64::register_global_plt_entry): New function.
7590	(Output_data_plt_x86_64::add_entry): Allocate from free list for
7591	incremental updates.
7592	(Output_data_plt_x86_64::add_relocation): New function.
7593	* testsuite/object_unittest.cc (Object_test): Set default options.
7594
75952011-05-16  Ian Lance Taylor  <iant@google.com>
7596
7597	* options.h (class General_options): Make -i a synonym for -r.
7598
75992011-05-16  Ian Lance Taylor  <iant@google.com>
7600
7601	* testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
7602
76032011-05-10 Cary Coutant  <ccoutant@google.com>
7604
7605	* object.cc (Sized_relobj::do_count_local_symbols): Check for
7606	strip_all (-s).
7607
76082011-05-06  Ian Lance Taylor  <iant@google.com>
7609
7610	* layout.cc (Layout::layout): If the output section flags change,
7611	update the ordering.
7612
76132011-04-25 Cary Coutant  <ccoutant@google.com>
7614
7615	* incremental-dump.cc (dump_incremental_inputs): Print local
7616	symbol info for each input file.
7617	* incremental.cc
7618	(Output_section_incremental_inputs::set_final_data_size): Add local
7619	symbol info to input file entries in incremental info.
7620	(Output_section_incremental_inputs::write_info_blocks): Likewise.
7621	(Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
7622	(Sized_incr_relobj::do_add_symbols): Cosmetic change.
7623	(Sized_incr_relobj::do_count_local_symbols): Replace stub with
7624	implementation.
7625	(Sized_incr_relobj::do_finalize_local_symbols): Likewise.
7626	(Sized_incr_relobj::do_relocate): Write the local symbols.
7627	(Sized_incr_dynobj::do_add_symbols): Cosmetic change.
7628	* incremental.h (Incremental_inputs_reader::get_symbol_offset):
7629	Adjust size of input file header.
7630	(Incremental_inputs_reader::get_local_symbol_offset): New function.
7631	(Incremental_inputs_reader::get_local_symbol_count): New function.
7632	(Incremental_inputs_reader::get_input_section): Adjust size of input
7633	file header.
7634	(Incremental_inputs_reader::get_global_symbol_reader): Likewise.
7635	(Sized_incr_relobj::This): New typedef.
7636	(Sized_incr_relobj::sym_size): New const data member.
7637	(Sized_incr_relobj::Local_symbol): New struct.
7638	(Sized_incr_relobj::do_output_local_symbol_count): New function.
7639	(Sized_incr_relobj::do_local_symbol_offset): New function.
7640	(Sized_incr_relobj::local_symbol_count_): New data member.
7641	(Sized_incr_relobj::output_local_dynsym_count_): New data member.
7642	(Sized_incr_relobj::local_symbol_index_): New data member.
7643	(Sized_incr_relobj::local_symbol_offset_): New data member.
7644	(Sized_incr_relobj::local_dynsym_offset_): New data member.
7645	(Sized_incr_relobj::local_symbols_): New data member.
7646	* object.h (Relobj::output_local_symbol_count): New function.
7647	(Relobj::local_symbol_offset): New function.
7648	(Relobj::do_output_local_symbol_count): New function.
7649	(Relobj::do_local_symbol_offset): New function.
7650	(Sized_relobj::do_output_local_symbol_count): New function.
7651	(Sized_relobj::do_local_symbol_offset): New function.
7652
76532011-04-22  Vladimir Simonov  <sv@sw.ru>
7654
7655	* descriptors.cc (set_close_on_exec): New function.
7656	(Descriptors::open): Use set_close_on_exec.
7657	* output.cc (S_ISLNK): Define if not defined.
7658
76592011-04-22 Cary Coutant  <ccoutant@google.com>
7660
7661	* incremental.cc (Sized_incremental_binary::setup_readers): Allocate
7662	global symbol map.
7663	(Sized_incremental_binary::do_apply_incremental_relocs): New function.
7664	(Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
7665	(Sized_incr_relobj::do_relocate): Remap section indices in incremental
7666	relocations.
7667	(Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
7668	(Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
7669	(Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
7670	* incremental.h
7671	(Incremental_inputs_reader::global_symbol_reader_at_offset): New
7672	function.
7673	(Incremental_binary::apply_incremental_relocs): New function.
7674	(Incremental_binary::do_apply_incremental_relocs): New function.
7675	(Sized_incremental_binary::Sized_incremental_binary): Initialize new
7676	data member.
7677	(Sized_incremental_binary::add_global_symbol): New function.
7678	(Sized_incremental_binary::global_symbol): New function.
7679	(Sized_incremental_binary::do_apply_incremental_relocs): New function.
7680	(Sized_incremental_binary::symbol_map_): New data member.
7681	* layout.cc (Layout_task_runner::run): Apply incremental relocations.
7682	* target.h (Sized_target::apply_relocation): New function.
7683	* target-reloc.h (apply_relocation): New function.
7684	* x86_64.cc (Target_x86_64::apply_relocation): New function.
7685
76862011-04-22  Doug Kwan  <dougkwan@google.com>
7687
7688	* arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
7689	flag of a SHT_ARM_EXIDX section.
7690	* testsuite/Makefile.am (arm_exidx_test): New test rules.
7691	* testsuite/Makefile.in: Regenerate.
7692	* testsuite/arm_exidx_test.s: New file.
7693	* testsuite/arm_exidx_test.sh: Same.
7694
76952011-04-20 Cary Coutant  <ccoutant@google.com>
7696
7697	PR gold/12689
7698	* archive.h (Incremental_archive_entry::Archive_member):
7699	Initialize arg_serial_ (second constructor).
7700
77012011-04-17  Ian Lance Taylor  <iant@google.com>
7702
7703	* object.cc (Relocate_info::location): Simplify location string.
7704	* errors.cc (Errors::error_at_location): Don't print program
7705	name.
7706	(Errors::warning_at_location): Likewise.
7707	(Errors::undefined_symbol): Likewise.
7708	* testsuite/debug_msg.sh: Update accordingly.
7709
77102011-04-14 Cary Coutant  <ccoutant@google.com>
7711
7712	* layout.cc (Layout::symtab_section_offset): New function.
7713	* layout.h (Layout::symtab_section_offset): New function.
7714	* reloc.cc (Sized_relobj::do_relocate): Call it.
7715
77162011-04-12  Ian Lance Taylor  <iant@google.com>
7717
7718	* configure.ac: Check for sys/mman.h and mmap.  Check for mremap
7719	with MREMAP_MAYMOVE.
7720	* output.h (class Output_file): Add map_is_allocated_ field.
7721	* output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
7722	not available, provide stubs.  If mremap is not available, #define
7723	it to gold_mremap.
7724	(MREMAP_MAYMOVE): Define if not defined.
7725	(Output_file::Output_file): Initialize map_is_allocated_.
7726	(Output_file::resize): Check map_is_allocated_.
7727	(Output_file::map_anonymous): If mmap fails, use malloc.
7728	(Output_file::unmap): Don't do anything for an anonymous map.
7729	* fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
7730	is not available, provide stubs.
7731	(File_read::View::~View): Use free rather than delete[].
7732	(File_read::make_view): Use malloc rather than new[].  If mmap
7733	fails, use malloc.
7734	(File_read::find_or_make_view): Use malloc rather than new[].
7735	* gold.h: Remove HAVE_REMAP code.
7736	* mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
7737	exists.  Rename mremap to gold_mremap.  If mmap is not available
7738	don't do anything.
7739	* configure, config.in: Rebuild.
7740
77412011-04-11  Ian Lance Taylor  <iant@google.com>
7742
7743	* incremental.cc (Sized_incr_relobj::do_add_symbols): Always
7744	initialize local variable v.
7745
77462011-04-11  Cary Coutant  <ccoutant@google.com>
7747
7748	* archive.cc (Archive::include_member): Adjust call to
7749	report_object.
7750	(Add_archive_symbols::run): Track argument serial numbers.
7751	(Lib_group::include_member): Likewise.
7752	(Add_lib_group_symbols::run): Adjust call to report_archive_begin.
7753	* archive.h (Incremental_archive_entry::Archive_member):
7754	Initialize arg_serial_.
7755	(Archive_member::arg_serial_): New data member.
7756	* dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
7757	(Sized_dynobj::do_add_symbols): Track symbols when doing an
7758	incremental link.
7759	(Sized_dynobj::do_for_all_local_got_entries): New function.
7760	* dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
7761	function.
7762	* fileread.cc (get_mtime): New function.
7763	* fileread.h (get_mtime): New function.
7764	* gold.cc (queue_initial_tasks): Check for incremental update.
7765	(process_incremental_input): New function.
7766	(queue_middle_tasks): Don't force valid target for incremental
7767	update.
7768	* incremental-dump.cc (find_input_containing_global): Adjust
7769	size of symbol info entry.
7770	(dump_incremental_inputs): Dump argument serial number and
7771	in_system_directory flag; bias shndx by 1; print symbol names
7772	when dumping per-file symbol lists; use new symbol info readers.
7773	* incremental.cc
7774	(Output_section_incremental_inputs:update_data_size): New function.
7775	(Sized_incremental_binary::setup_readers): Setup input readers
7776	for each input file; build maps for files added from libraries
7777	and scripts.
7778	(Sized_incremental_binary::check_input_args): New function.
7779	(Sized_incremental_binary::do_check_inputs): Build map of argument
7780	serial numbers to input arguments.
7781	(Sized_incremental_binary::do_file_has_changed): Rename
7782	do_file_is_unchanged to this; compare file modification times.
7783	(Sized_incremental_binary::do_init_layout): New function.
7784	(Sized_incremental_binary::do_reserve_layout): New function.
7785	(Sized_incremental_binary::do_get_input_reader): Remove.
7786	(Sized_incremental_binary::get_symtab_view): New function.
7787	(Incremental_checker::can_incrementally_link_output_file): Remove.
7788	(Incremental_inputs::report_command_line): Exclude --debug options.
7789	(Incremental_inputs::report_archive_begin): Add parameter; track
7790	argument serial numbers; don't put input file entry for archive
7791	before archive members.
7792	(Incremental_inputs::report_archive_end): Put input file entry
7793	for archive after archive members.
7794	(Incremental_inputs::report_object): Add parameter; track argument
7795	serial numbers and in_system_directory flag.
7796	(Incremental_inputs::report_script): Add parameter; track argument
7797	serial numbers.
7798	(Output_section_incremental_inputs::set_final_data_size): Adjust
7799	size of symbol info entry; check for forwarding symbols.
7800	(Output_section_incremental_inputs::write_input_files): Write
7801	in_system_directory flag and argument serial number.
7802	(Output_section_incremental_inputs::write_info_blocks): Map section
7803	indices between incremental info and original input file; store
7804	input section index for each symbol.
7805	(class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
7806	change operator() to visit().
7807	(class Global_got_offset_visitor): Likewise.
7808	(class Global_symbol_visitor_got_plt):
7809	(Output_section_incremental_inputs::write_got_plt): Use new visitor
7810	classes.
7811	(Sized_incr_relobj::Sized_incr_relobj): New constructor.
7812	(Sized_incr_relobj::do_read_symbols): New function.
7813	(Sized_incr_relobj::do_layout): New function.
7814	(Sized_incr_relobj::do_layout_deferred_sections): New function.
7815	(Sized_incr_relobj::do_add_symbols): New function.
7816	(Sized_incr_relobj::do_should_include_member): New function.
7817	(Sized_incr_relobj::do_for_all_global_symbols): New function.
7818	(Sized_incr_relobj::do_for_all_local_got_entries): New function.
7819	(Sized_incr_relobj::do_section_size): New function.
7820	(Sized_incr_relobj::do_section_name): New function.
7821	(Sized_incr_relobj::do_section_contents): New function.
7822	(Sized_incr_relobj::do_section_flags): New function.
7823	(Sized_incr_relobj::do_section_entsize): New function.
7824	(Sized_incr_relobj::do_section_address): New function.
7825	(Sized_incr_relobj::do_section_type): New function.
7826	(Sized_incr_relobj::do_section_link): New function.
7827	(Sized_incr_relobj::do_section_info): New function.
7828	(Sized_incr_relobj::do_section_addralign): New function.
7829	(Sized_incr_relobj::do_initialize_xindex): New function.
7830	(Sized_incr_relobj::do_get_global_symbol_counts): New function.
7831	(Sized_incr_relobj::do_read_relocs): New function.
7832	(Sized_incr_relobj::do_gc_process_relocs): New function.
7833	(Sized_incr_relobj::do_scan_relocs): New function.
7834	(Sized_incr_relobj::do_count_local_symbols): New function.
7835	(Sized_incr_relobj::do_finalize_local_symbols): New function.
7836	(Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
7837	(Sized_incr_relobj::do_set_local_dynsym_offset): New function.
7838	(Sized_incr_relobj::do_relocate): New function.
7839	(Sized_incr_relobj::do_set_section_offset): New function.
7840	(Sized_incr_dynobj::Sized_incr_dynobj): New function.
7841	(Sized_incr_dynobj::do_read_symbols): New function.
7842	(Sized_incr_dynobj::do_layout): New function.
7843	(Sized_incr_dynobj::do_add_symbols): New function.
7844	(Sized_incr_dynobj::do_should_include_member): New function.
7845	(Sized_incr_dynobj::do_for_all_global_symbols): New function.
7846	(Sized_incr_dynobj::do_for_all_local_got_entries): New function.
7847	(Sized_incr_dynobj::do_section_size): New function.
7848	(Sized_incr_dynobj::do_section_name): New function.
7849	(Sized_incr_dynobj::do_section_contents): New function.
7850	(Sized_incr_dynobj::do_section_flags): New function.
7851	(Sized_incr_dynobj::do_section_entsize): New function.
7852	(Sized_incr_dynobj::do_section_address): New function.
7853	(Sized_incr_dynobj::do_section_type): New function.
7854	(Sized_incr_dynobj::do_section_link): New function.
7855	(Sized_incr_dynobj::do_section_info): New function.
7856	(Sized_incr_dynobj::do_section_addralign): New function.
7857	(Sized_incr_dynobj::do_initialize_xindex): New function.
7858	(Sized_incr_dynobj::do_get_global_symbol_counts): New function.
7859	(make_sized_incremental_object): New function.
7860	(Incremental_library::copy_unused_symbols): New function.
7861	(Incremental_library::do_for_all_unused_symbols): New function.
7862	* incremental.h (enum Incremental_input_flags): New type.
7863	(class Incremental_checker): Remove.
7864	(Incremental_input_entry::Incremental_input_entry): Add argument
7865	serial number.
7866	(Incremental_input_entry::arg_serial): New function.
7867	(Incremental_input_entry::set_is_in_system_directory): New function.
7868	(Incremental_input_entry::is_in_system_directory): New function.
7869	(Incremental_input_entry::arg_serial_): New data member.
7870	(Incremental_input_entry::is_in_system_directory_): New data member.
7871	(class Script_info): Move here from script.h.
7872	(Script_info::Script_info): Add filename parameter.
7873	(Script_info::filename): New function.
7874	(Script_info::filename_): New data member.
7875	(Incremental_script_entry::Incremental_script_entry): Add argument
7876	serial number.
7877	(Incremental_object_entry::Incremental_object_entry): Likewise.
7878	(Incremental_object_entry::add_input_section): Build list of input
7879	sections with map to original shndx.
7880	(Incremental_object_entry::get_input_section_index): New function.
7881	(Incremental_object_entry::shndx_): New data member.
7882	(Incremental_object_entry::name_key_): Rename; adjust all refs.
7883	(Incremental_object_entry::sh_size_): Rename; adjust all refs.
7884	(Incremental_archive_entry::Incremental_archive_entry): Add argument
7885	serial number.
7886	(Incremental_inputs::report_archive_begin): Likewise.
7887	(Incremental_inputs::report_object): Likewise.
7888	(Incremental_inputs::report_script): Likewise.
7889	(class Incremental_global_symbol_reader): New class.
7890	(Incremental_input_entry_reader::Incremental_input_entry_reader): Read
7891	and store flags and input file type.
7892	(Incremental_input_entry_reader::arg_serial): New function.
7893	(Incremental_input_entry_reader::type): Extract type from flags.
7894	(Incremental_input_entry_reader::is_in_system_directory): New function.
7895	(Incremental_input_entry_reader::get_input_section_count): Call
7896	accessor function for type.
7897	(Incremental_input_entry_reader::get_symbol_offset): Call accessor
7898	function for type; adjust size of global symbol entry.
7899	(Incremental_input_entry_reader::get_global_symbol_count): Call
7900	accessor function for type.
7901	(Incremental_input_entry_reader::get_object_count): Likewise.
7902	(Incremental_input_entry_reader::get_object_offset): Likewise.
7903	(Incremental_input_entry_reader::get_member_count): Likewise.
7904	(Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
7905	(Incremental_input_entry_reader::get_member_offset): Likewise.
7906	(Incremental_input_entry_reader::get_unused_symbol): Likewise.
7907	(Incremental_input_entry_reader::Global_symbol_info): Remove.
7908	(Incremental_input_entry_reader::get_global_symbol_info): Remove.
7909	(Incremental_input_entry_reader::get_global_symbol_reader): New
7910	function.
7911	(Incremental_input_entry_reader::get_output_symbol_index): New
7912	function.
7913	(Incremental_input_entry_reader::type_): Remove.
7914	(Incremental_input_entry_reader::flags_): New data member.
7915	(Incremental_inputs_reader::input_file_offset): New function.
7916	(Incremental_inputs_reader::input_file_index): New function.
7917	(Incremental_inputs_reader::input_file): Call input_file_offset.
7918	(Incremental_inputs_reader::input_file_at_offset): New function.
7919	(Incremental_relocs_reader::get_r_type): Reformat.
7920	(Incremental_relocs_reader::get_r_shndx): Reformat.
7921	(Incremental_relocs_reader::get_r_offset): Reformat.
7922	(Incremental_relocs_reader::data): New function.
7923	(Incremental_binary::Incremental_binary): Initialize new data members.
7924	(Incremental_binary::check_inputs): Add cmdline parameter.
7925	(Incremental_binary::file_is_unchanged): Remove.
7926	(Input_reader::arg_serial): New function.
7927	(Input_reader::get_unused_symbol_count): New function.
7928	(Input_reader::get_unused_symbol): New function.
7929	(Input_reader::do_arg_serial): New function.
7930	(Input_reader::do_get_unused_symbol_count): New function.
7931	(Input_reader::do_get_unused_symbol): New function.
7932	(Incremental_binary::input_file_count): New function.
7933	(Incremental_binary::get_input_reader): Change signature to use
7934	index instead of filename.
7935	(Incremental_binary::file_has_changed): New function.
7936	(Incremental_binary::get_input_argument): New function.
7937	(Incremental_binary::get_library): New function.
7938	(Incremental_binary::get_script_info): New function.
7939	(Incremental_binary::init_layout): New function.
7940	(Incremental_binary::reserve_layout): New function.
7941	(Incremental_binary::output_file): New function.
7942	(Incremental_binary::do_check_inputs): New function.
7943	(Incremental_binary::do_file_is_unchanged): Remove.
7944	(Incremental_binary::do_file_has_changed): New function.
7945	(Incremental_binary::do_init_layout): New function.
7946	(Incremental_binary::do_reserve_layout): New function.
7947	(Incremental_binary::do_input_file_count): New function.
7948	(Incremental_binary::do_get_input_reader): Change signature.
7949	(Incremental_binary::input_args_map_): New data member.
7950	(Incremental_binary::library_map_): New data member.
7951	(Incremental_binary::script_map_): New data member.
7952	(Sized_incremental_binary::Sized_incremental_binary): Initialize
7953	new data members.
7954	(Sized_incremental_binary::output_section): New function.
7955	(Sized_incremental_binary::inputs_reader): Add const.
7956	(Sized_incremental_binary::symtab_reader): Add const.
7957	(Sized_incremental_binary::relocs_reader): Add const.
7958	(Sized_incremental_binary::got_plt_reader): Add const.
7959	(Sized_incremental_binary::get_symtab_view): New function.
7960	(Sized_incremental_binary::Inputs_reader): New typedef.
7961	(Sized_incremental_binary::Input_entry_reader): New typedef.
7962	(Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
7963	(Sized_incremental_binary::do_file_is_unchanged): Remove.
7964	(Sized_incremental_binary::do_file_has_changed): New function.
7965	(Sized_incremental_binary::do_init_layout): New function.
7966	(Sized_incremental_binary::do_reserve_layout): New function.
7967	(Sized_input_reader::Inputs_reader): Remove.
7968	(Sized_input_reader::Input_entry_reader): Remove.
7969	(Sized_input_reader::do_arg_serial): New function.
7970	(Sized_input_reader::do_get_unused_symbol_count): New function.
7971	(Sized_input_reader::do_get_unused_symbol): New function.
7972	(Sized_incremental_binary::do_input_file_count): New function.
7973	(Sized_incremental_binary::do_get_input_reader): Change signature;
7974	use index instead of filename.
7975	(Sized_incremental_binary::section_map_): New data member.
7976	(Sized_incremental_binary::input_entry_readers_): New data member.
7977	(class Sized_incr_relobj): New class.
7978	(class Sized_incr_dynobj): New class.
7979	(make_sized_incremental_object): New function.
7980	(class Incremental_library): New class.
7981	* layout.cc (Free_list::num_lists): New static data member.
7982	(Free_list::num_nodes): New static data member.
7983	(Free_list::num_removes): New static data member.
7984	(Free_list::num_remove_visits): New static data member.
7985	(Free_list::num_allocates): New static data member.
7986	(Free_list::num_allocate_visits): New static data member.
7987	(Free_list::init): New function.
7988	(Free_list::remove): New function.
7989	(Free_list::allocate): New function.
7990	(Free_list::dump): New function.
7991	(Free_list::print_stats): New function.
7992	(Layout_task_runner::run): Resize output file for incremental updates.
7993	(Layout::Layout): Initialize new data members.
7994	(Layout::set_incremental_base): New function.
7995	(Layout::init_fixed_output_section): New function.
7996	(Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
7997	incremental updates.
7998	(Layout::create_gold_note): Do not create gold note section for
7999	incremental updates.
8000	(Layout::set_segment_offsets): Do not recalculate RELRO alignment
8001	for incremental updates.
8002	(Layout::set_section_offsets): For incremental updates, allocate space
8003	from free list.
8004	(Layout::create_symtab_sections): Layout with offsets relative to
8005	start of section; for incremental updates, allocate space from free
8006	list.
8007	(Layout::create_shdrs): For incremental updates, allocate space from
8008	free list.
8009	(Layout::finish_dynamic_section): For incremental updates, do not
8010	check --as-needed (fixed in subsequent patch).
8011	* layout.h (class Free_list): New class.
8012	(Layout::set_incremental_base): New function.
8013	(Layout::incremental_base): New function.
8014	(Layout::init_fixed_output_section): New function.
8015	(Layout::allocate): New function.
8016	(Layout::incremental_base_): New data member.
8017	(Layout::free_list_): New data member.
8018	* main.cc (main): Print Free_list statistics.
8019	* object.cc (Relobj::finalize_incremental_relocs): Add
8020	clear_counts parameter; clear counts only when clear_counts is set.
8021	(Sized_relobj::Sized_relobj): Initialize new base class.
8022	(Sized_relobj::do_layout): Don't report special sections.
8023	(Sized_relobj::do_for_all_local_got_entries): New function.
8024	(Sized_relobj::write_local_symbols): Add symtab_off parameter; add
8025	symtab_off to all symbol table offsets.
8026	(Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
8027	* object.h (class Got_offset_list): Move to top of file.
8028	(Object::Object): Allow case where input_file == NULL.
8029	(Object::~Object): Likewise.
8030	(Object::input_file): Assert that input_file != NULL.
8031	(Object::lock): Allow case where input_file == NULL.
8032	(Object::unlock): Likewise.
8033	(Object::is_locked): Likewise.
8034	(Object::token): Likewise.
8035	(Object::release): Likewise.
8036	(Object::is_incremental): New function.
8037	(Object::get_mtime): New function.
8038	(Object::for_all_local_got_entries): New function.
8039	(Object::clear_view_cache_marks): Allow case where input_file == NULL.
8040	(Object::set_is_in_system_directory): New function.
8041	(Object::is_in_system_directory): New function.
8042	(Object::do_is_incremental): New function.
8043	(Object::do_get_mtime): New function.
8044	(Object::do_for_all_local_got_entries): New function.
8045	(Object::is_in_system_directory_): New data member.
8046	(Relobj::finalize_incremental_relocs): Add clear_counts parameter.
8047	(class Sized_relobj_base): New class.
8048	(class Sized_relobj): Derive from Sized_relobj_base.
8049	(class Sized_relobj::Symbols): Redeclare from base class.
8050	(class Sized_relobj::local_got_offset_list): Remove.
8051	(class Sized_relobj::Output_sections): Redeclare from base class.
8052	(class Sized_relobj::do_for_all_local_got_entries): New function.
8053	(class Sized_relobj::write_local_symbols): Add offset parameter.
8054	(class Sized_relobj::local_symbol_offset_): Update comment.
8055	(class Sized_relobj::local_dynsym_offset_): Update comment.
8056	* options.cc (Input_arguments::add_file): Remove const.
8057	* options.h (Input_file_argument::Input_file_argument):
8058	Initialize arg_serial_ (all constructors).
8059	(Input_file_argument::set_arg_serial): New function.
8060	(Input_file_argument::arg_serial): New function.
8061	(Input_file_argument::arg_serial_): New data member.
8062	(Input_arguments::Input_arguments): Initialize file_count_.
8063	(Input_arguments::add_file): Remove const.
8064	(Input_arguments::number_of_input_files): New function.
8065	(Input_arguments::file_count_): New data member.
8066	(Command_line::number_of_input_files): Call
8067	Input_arguments::number_of_input_files.
8068	* output.cc (Output_segment_headers::Output_segment_headers):
8069	Set current size.
8070	(Output_section::Input_section::current_data_size): New function.
8071	(Output_section::Output_section): Initialize new data members.
8072	(Output_section::add_input_section): Don't do merge sections for
8073	an incremental link; allocate space from free list for an
8074	incremental update.
8075	(Output_section::add_output_section_data): Allocate space from
8076	free list for an incremental update.
8077	(Output_section::update_data_size): New function.
8078	(Output_section::set_fixed_layout): New function.
8079	(Output_section::reserve): New function.
8080	(Output_segment::set_section_addresses): Remove const.
8081	(Output_segment::set_section_list_addresses): Remove const; allocate
8082	space from free list for an incremental update.
8083	(Output_segment::set_offset): Adjust size of RELRO segment for an
8084	incremental update.
8085	* output.h (Output_data::current_data_size): Move here from
8086	child classes.
8087	(Output_data::pre_finalize_data_size): New function.
8088	(Output_data::update_data_size): New function.
8089	(Output_section_headers::update_data_size): new function.
8090	(Output_section_data_build::current_data_size): Move to Output_data.
8091	(Output_data_strtab::update_data_size): New function.
8092	(Output_section::current_data_size): Move to Output_data.
8093	(Output_section::set_fixed_layout): New function.
8094	(Output_section::has_fixed_layout): New function.
8095	(Output_section::reserve): New function.
8096	(Output_section::update_data_size): New function.
8097	(Output_section::has_fixed_layout_): New data member.
8098	(Output_section::free_list_): New data member.
8099	(Output_segment::set_section_addresses): Remove const.
8100	(Output_segment::set_section_list_addresses): Remove const.
8101	* plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
8102	New function.
8103	* plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
8104	New function.
8105	* readsyms.cc (Read_symbols::do_read_symbols): Add library
8106	parameter when calling Add_symbols constructor; store argument
8107	serial number for members of a lib group.
8108	(Add_symbols::locks): Allow case where token == NULL.
8109	(Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
8110	(Read_member::~Read_member): New function.
8111	(Read_member::is_runnable): New function.
8112	(Read_member::locks): New function.
8113	(Read_member::run): New function.
8114	(Check_script::~Check_script): New function.
8115	(Check_script::is_runnable): New function.
8116	(Check_script::locks): New function.
8117	(Check_script::run): New function.
8118	(Check_library::~Check_library): New function.
8119	(Check_library::is_runnable): New function.
8120	(Check_library::locks): New function.
8121	(Check_library::run): New function.
8122	* readsyms.h (Add_symbols::Add_symbols): Add library parameter.
8123	(Add_symbols::library_): New data member.
8124	(class Read_member): New class.
8125	(class Check_script): New class.
8126	(class Check_library): New class.
8127	* reloc.cc (Read_relocs::is_runnable): Allow case where
8128	token == NULL.
8129	(Read_relocs::locks): Likewise.
8130	(Scan_relocs::locks): Likewise.
8131	(Relocate_task::locks): Likewise.
8132	(Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
8133	to clear counters.
8134	(Sized_relobj::incremental_relocs_scan): Fix comment.
8135	(Sized_relobj::do_relocate): Pass output file offset to
8136	write_local_symbols.
8137	(Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
8138	from class declaration.
8139	* script.cc (read_input_script): Allocate Script_info; pass
8140	argument serial number to report_script.
8141	* script.h (class Script_info): Move to incremental.h.
8142	* symtab.cc (Symbol_table::add_from_incrobj): New function.
8143	* symtab.h (Symbol_table::add_from_incrobj): New function.
8144	(Symbol_table::set_file_offset): New function.
8145
81462011-04-05  Cary Coutant  <ccoutant@google.com>
8147
8148	* incremental-dump.cc (dump_incremental_inputs): Change signature
8149	to take a Sized_incremental_binary; change caller.  Use readers
8150	in Sized_incremental_binary.
8151	* incremental.cc
8152	(Sized_incremental_binary::find_incremental_inputs_sections):
8153	Rename do_find_incremental_inputs_sections to this.
8154	(Sized_incremental_binary::setup_readers): New function.
8155	(Sized_incremental_binary::do_check_inputs): Check
8156	has_incremental_info_ flag; move setup code to setup_readers;
8157	use input readers.
8158	(Sized_incremental_binary::do_file_is_unchanged): New function.
8159	(Sized_incremental_binary::do_get_input_reader): New function.
8160	* incremental.h (class Incremental_binary): Move to end of file.
8161	(Incremental_binary::file_is_unchanged): New function.
8162	(Incremental_binary::do_file_is_unchanged): New function.
8163	(Incremental_binary::Input_reader): New class.
8164	(Incremental_binary::get_input_reader): New function.
8165	(class Sized_incremental_binary): Move to end of file.
8166	(Sized_incremental_binary::Sized_incremental_binary): Setup the
8167	input section reader classes.
8168	(Sized_incremental_binary::has_incremental_info): New function.
8169	(Sized_incremental_binary::inputs_reader): New function.
8170	(Sized_incremental_binary::symtab_reader): New function.
8171	(Sized_incremental_binary::relocs_reader): New function.
8172	(Sized_incremental_binary::got_plt_reader): New function.
8173	(Sized_incremental_binary::do_file_is_unchanged): New function.
8174	(Sized_incremental_binary::Sized_input_reader): New class.
8175	(Sized_incremental_binary::get_input_reader): New function.
8176	(Sized_incremental_binary::find_incremental_inputs_sections):
8177	Rename do_find_incremental_inputs_sections to this.
8178	(Sized_incremental_binary::setup_readers): New function.
8179	(Sized_incremental_binary::has_incremental_info_): New data member.
8180	(Sized_incremental_binary::inputs_reader_): New data member.
8181	(Sized_incremental_binary::symtab_reader_): New data member.
8182	(Sized_incremental_binary::relocs_reader_): New data member.
8183	(Sized_incremental_binary::got_plt_reader_): New data member.
8184	(Sized_incremental_binary::current_input_file_): New data member.
8185
81862011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
8187
8188	PR gold/12640
8189	* dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
8190	violation.
8191
81922011-03-30  Cary Coutant  <ccoutant@google.com>
8193
8194	* archive.cc (Archive::include_member): Adjust call to report_object.
8195	(Add_archive_symbols::run): Add script_info to call to
8196	report_archive_begin.
8197	(Lib_group::include_member): Adjust call to report_object.
8198	(Add_lib_group_symbols::run): Adjust call to report_object.
8199	* incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
8200	blocks.  Add object count for script input files.
8201	* incremental.cc (Incremental_inputs::report_archive_begin): Add
8202	script_info parameter; change all callers.
8203	(Incremental_inputs::report_object): Add script_info parameter;
8204	change all callers.
8205	(Incremental_inputs::report_script): Store backpointer to
8206	incremental info entry.
8207	(Output_section_incremental_inputs::set_final_data_size): Record
8208	additional information for scripts.
8209	(Output_section_incremental_inputs::write_info_blocks): Likewise.
8210	* incremental.h (Incremental_script_entry::add_object): New function.
8211	(Incremental_script_entry::get_object_count): New function.
8212	(Incremental_script_entry::get_object): New function.
8213	(Incremental_script_entry::objects_): New data member; adjust
8214	constructor.
8215	(Incremental_inputs::report_archive_begin): Add script_info parameter.
8216	(Incremental_inputs::report_object): Add script_info parameter.
8217	(Incremental_inputs_reader::get_object_count): New function.
8218	(Incremental_inputs_reader::get_object_offset): New function.
8219	* options.cc (Input_arguments::add_file): Return reference to
8220	new input argument.
8221	* options.h (Input_argument::set_script_info): New function.
8222	(Input_argument::script_info): New function.
8223	(Input_argument::script_info_): New data member; adjust all
8224	constructors.
8225	(Input_file_group::add_file): Return reference to new input argument.
8226	(Input_file_lib::add_file): Likewise.
8227	(Input_arguments::add_file): Likewise.
8228	* readsyms.cc (Add_symbols::run): Adjust call to report_object.
8229	* script.cc (Parser_closure::Parser_closure): Add script_info
8230	parameter; adjust all callers.
8231	(Parser_closure::script_info): New function.
8232	(Parser_closure::script_info_): New data member.
8233	(read_input_script): Report scripts earlier to incremental info.
8234	(script_add_file): Set script_info in Input_argument.
8235	(script_add_library): Likewise.
8236	* script.h (Script_options::Script_info): Rewrite class.
8237
82382011-03-29  Cary Coutant  <ccoutant@google.com>
8239
8240	* archive.cc (Library_base::should_include_member): Move
8241	method here from class Archive.
8242	(Archive::Archive): Initialize base class.
8243	(Archive::should_include_member): Move to base class.
8244	(Archive::do_for_all_unused_symbols): New function.
8245	(Add_archive_symbols::run): Remove redundant access to
8246	incremental_inputs.
8247	(Lib_group::Lib_group): Initialize base class.
8248	(Lib_group::do_filename): New function.
8249	(Lib_group::include_member): Pass pointer to Lib_group to
8250	report_object.
8251	(Lib_group::do_for_all_unused_symbols): New function.
8252	(Add_lib_group_symbols::run): Report archive information for
8253	incremental links.
8254	* archive.h (class Library_base): New base class.
8255	(class Archive): Derive from Library_base.
8256	(Archive::filename): Move to base class.
8257	(Archive::set_incremental_info): Likewise.
8258	(Archive::incremental_info): Likewise.
8259	(Archive::Should_include): Likewise.
8260	(Archive::should_include_member): Likewise.
8261	(Archive::Armap_entry): Remove.
8262	(Archive::Unused_symbol_iterator): Remove.
8263	(Archive::unused_symbols_begin): Remove.
8264	(Archive::unused_symbols_end): Remove.
8265	(Archive::do_filename): New function.
8266	(Archive::do_get_mtime): New function.
8267	(Archive::do_for_all_unused_symbols): New function.
8268	(Archive::task_): Move to base class.
8269	(Archive::incremental_info_): Likewise.
8270	(class Lib_group): Derive from Library_base.
8271	(Lib_group::do_filename): New function.
8272	(Lib_group::do_get_mtime): New function.
8273	(Lib_group::do_for_all_unused_symbols): New function.
8274	(Lib_group::task_): Move to base class.
8275	* dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
8276	function.
8277	* dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
8278	function.
8279	* incremental.cc (Incremental_inputs::report_archive_begin):
8280	Use Library_base; call library's get_mtime; add incremental inputs
8281	entry before members.
8282	(class Unused_symbol_visitor): New class.
8283	(Incremental_inputs::report_archive_end): Use Library_base; use
8284	visitor class to record unused symbols; don't add incremental inputs
8285	entry after members.
8286	(Incremental_inputs::report_object): Use Library_base.
8287	* incremental.h
8288	(Incremental_archive_entry::Incremental_archive_entry): Remove
8289	unused Archive parameter.
8290	(Incremental_inputs::report_archive_begin): Use Library_base.
8291	(Incremental_inputs::report_archive_end): Likewise.
8292	(Incremental_inputs::report_object): Likewise.
8293	* object.cc (Sized_relobj::do_for_all_global_symbols): New
8294	function.
8295	* object.h (Object::for_all_global_symbols): New function.
8296	(Object::do_for_all_global_symbols): New function.
8297	(Sized_relobj::do_for_all_global_symbols): New function.
8298	* plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
8299	function.
8300	* plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
8301	function.
8302
83032011-03-27  Ian Lance Taylor  <iant@google.com>
8304
8305	* archive.cc (Archive::interpret_header): Return -1 if something
8306	goes wrong.  Change callers accordingly.
8307
83082011-03-25  Cary Coutant  <ccoutant@google.com>
8309
8310	* testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
8311	* testsuite/Makefile.in: Regenerate.
8312
83132011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
8314
8315	* plugin.cc (get_view): New.
8316	(Plugin::load): Pass get_view to the plugin.
8317	(Plugin_manager::get_view): New.
8318
83192011-03-21  Ian Lance Taylor  <iant@google.com>
8320
8321	* testsuite/final_layout.sh: Rewrite to not use dc.
8322	* testsuite/relro_test.sh: Fail if dc is not present.
8323
83242011-03-21  Sriraman Tallam  <tmsriram@google.com>
8325
8326	* testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
8327	Change == to -eq.
8328	* testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
8329	* testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
8330	Change == to -eq.
8331	* testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
8332	* testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
8333
83342011-03-14  Ian Lance Taylor  <iant@google.com>
8335
8336	* script-sections.cc (Sort_output_sections::script_compare):
8337	Rename from is_before, change return type.
8338	(Sort_output_sections::operator()): Adjust accordingly.
8339
83402011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
8341
8342	PR gold/12572
8343	* testsuite/odr_violation2.cc: Add comment to make all error line
8344	numbers double digits.
8345	* testsuite/debug_msg.sh: Adjust expected errors.
8346
83472011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
8348
8349	* dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
8350	but mark earlier ones as non-canonical
8351	(offset_to_iterator): Update search target and example
8352	(do_addr2line): Return extra lines in a vector*
8353	(format_file_lineno): Extract from do_addr2line
8354	(one_addr2line): Add vector* out-param
8355	* dwarf_reader.h (Offset_to_lineno_entry): New field recording
8356	when a lineno entry appeared last for its instruction
8357	(Dwarf_line_info): Add vector* out-param
8358	* object.cc (Relocate_info): Pass NULL for the vector* out-param
8359	* symtab.cc (Odr_violation_compare): Include the lineno in the
8360	comparison again.
8361	(linenos_from_loc): New. Combine the canonical line for an
8362	address with its other lines.
8363	(True_if_intersect): New. Helper functor to make
8364	std::set_intersection a query.
8365	(detect_odr_violations): Compare sets of lines instead of just
8366	one line for each function. This became less deterministic, but
8367	has fewer false positives.
8368	* symtab.h: Declarations.
8369	* testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
8370	mix an optimized and non-optimized object in the same binary
8371	(odr_violation2.so): Same.
8372	* testsuite/Makefile.in: Regenerate from Makefile.am.
8373	* testsuite/debug_msg.cc (main): Make OdrDerived classes.
8374	* testsuite/debug_msg.sh: Update line numbers and add
8375	assertions.
8376	* testsuite/odr_violation1.cc: Use OdrDerived, in a
8377	non-optimized context.
8378	* testsuite/odr_violation2.cc: Make sure Ordering::operator()
8379	isn't inlined, and use OdrDerived in an optimized context.
8380	* testsuite/odr_header1.h: Defines OdrDerived, where
8381	optimization will change the
8382	first-instruction-in-the-destructor's file and line number.
8383	* testsuite/odr_header2.h: Defines OdrBase.
8384
83852011-03-09  Ian Lance Taylor  <iant@google.com>
8386
8387	* fileread.cc (File_read::clear_views): Don't delete the whole
8388	file view.
8389
83902011-03-08  Ian Lance Taylor  <iant@google.com>
8391
8392	PR gold/12525
8393	* fileread.cc: #include <climits>.
8394	(GOLD_IOV_MAX): Define.
8395	(File_read::read_multiple): Limit number of entries by iov_max.
8396	* fileread.h (class File_read): Always set max_readv_entries to
8397	128.
8398
83992011-03-07  Ian Lance Taylor  <iant@google.com>
8400
8401	PR gold/12525
8402	* options.h (class General_options): Add -dy and -dn.
8403
84042011-03-02  Cary Coutant  <ccoutant@google.com>
8405
8406	* testsuite/script_test_9.t: Add TLS segment.
8407
84082011-03-02  Simon Baldwin  <simonb@google.com>
8409
8410	* configure.ac: Add check for gnu_indirect_function support in
8411	the toolchain building binutils.
8412	* configure: Rebuild.
8413
84142011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
8415
8416	* symtab.cc (Symbol::should_add_dynsym_entry) Return false for
8417	plugin only symbols.
8418	(Symbol_table::sized_finalize_symbol) Mark symbol only present
8419	in plugin files as not needed in the symbol table.
8420
84212011-02-11  Sriraman Tallam  <tmsriram@google.com>
8422
8423	* output.cc (Output_section::add_input_section): Delay fill
8424	generation for section ordering.
8425
84262011-02-09  Ian Lance Taylor  <iant@google.com>
8427
8428	PR gold/12316
8429	* object.h (class Sized_relobj): Remove clear_local_symbols.
8430	* reloc.cc (Sized_relobj::do_relocate): Don't call
8431	clear_local_symbols.
8432
84332011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
8434
8435	* plugin.cc (is_visible_from_outside): Return true for symbols
8436	in the -u option.
8437
84382011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
8439
8440	* symtab.cc (Odr_violation_compare::operator()): Sort by just the
8441	filename.
8442
84432011-02-02  Sriraman Tallam  <tmsriram@google.com>
8444
8445	* icf.h (is_section_foldable_candidate): Change type of parameter
8446	to std::string.
8447	* icf.cc (Icf::find_identical_sections): Change type of local variable
8448	section_name to be std::string.
8449	(is_function_ctor_or_dtor): Change type of parameter to std::string.
8450
84512011-01-25  Ian Lance Taylor  <iant@google.com>
8452
8453	* script.cc (script_add_extern): Rewrite to use
8454	add_symbol_reference.
8455
84562011-01-25  Doug Kwan  <dougkwan@google.com>
8457
8458	* icf.cc (get_section_contents): Always lock section's object.
8459
84602011-01-24  Ian Lance Taylor  <iant@google.com>
8461
8462	* options.h (class General_options): Accept
8463	--no-detect-odr-violations.
8464
84652011-01-24  Ian Lance Taylor  <iant@google.com>
8466
8467	* version.cc (version_string): Bump to 1.11.
8468
84692011-01-24  Ian Lance Taylor  <iant@google.com>
8470
8471	* plugin.cc (class Plugin_rescan): Define new class.
8472	(Plugin_manager::claim_file): Set any_claimed_.
8473	(Plugin_manager::save_archive): New function.
8474	(Plugin_manager::save_input_group): New function.
8475	(Plugin_manager::all_symbols_read): Create Plugin_rescan task if
8476	necessary.
8477	(Plugin_manager::new_undefined_symbol): New function.
8478	(Plugin_manager::rescan): New function.
8479	(Plugin_manager::rescannable_defines): New function.
8480	(Plugin_manager::add_input_file): Set any_added_.
8481	* plugin.h (class Plugin_manager): define new fields rescannable_,
8482	undefined_symbols_, any_claimed_, and any_added_.  Declare
8483	Plugin_rescan as friend.  Declare new functions.
8484	(Plugin_manager::Rescannable): Define type.
8485	(Plugin_manager::Rescannable_list): Define type.
8486	(Plugin_manager::Undefined_symbol_list): Define type.
8487	(Plugin_manager::Plugin_manager): Initialize new fields.
8488	* archive.cc (Archive::defines_symbol): New function.
8489	(Add_archive_symbols::run): Pass archive to plugins if any.
8490	* archive.h (class Archive): Declare defines_symbol.
8491	* readsyms.cc (Input_group::~Input_group): New function.
8492	(Finish_group::run): Pass input_group to plugins if any.
8493	* readsyms.h (class Input_group): Declare destructor.
8494	* symtab.cc (add_from_object): Pass undefined symbol to plugins if
8495	any.
8496
84972011-01-10  Ian Lance Taylor  <iant@google.com>
8498
8499	* layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
8500	section as relro.
8501	(Layout::set_segment_offsets): Reset increase_relro before calling
8502	set_section_addresses a second time.
8503
85042011-01-04  Cary Coutant  <ccoutant@google.com>
8505
8506	* script-sections.cc (Sort_output_sections::operator()): Sort TLS
8507	sections before NOBITS sections.
8508
85092011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
8510
8511	* version.cc (print_version): Update copyright to 2011.
8512
85132010-12-23  Cary Coutant  <ccoutant@google.com>
8514
8515	* output.h (Output_data_reloc::add_output_section): Pass OD instead
8516	of OS to this->add.  Add OD parameter to second form of the function.
8517
85182010-12-20  Ian Lance Taylor  <iant@google.com>
8519
8520	* dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
8521	second of two consecutive entries with same offset.
8522
85232010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8524
8525	* testsuite/Makefile.am (ifuncmain2static_LDADD)
8526	(ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
8527	(ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
8528	to avoid unneeded links against $(LDADD).
8529	* testsuite/Makefile.in: Regenerate.
8530
85312010-12-15  Ian Lance Taylor  <iant@google.com>
8532
8533	PR gold/12324
8534	* x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
8535	for R_X86_64_32 and R_X86_64_PC32.
8536	* testsuite/Makefile.am (ver_matching_def.so): Depend on and use
8537	ver_matching_def_pic.o.
8538	(ver_matching_def_pic.o): New target.
8539
85402010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8541
8542	* fileread.cc (file_counts_lock, file_counts_initialize_lock)
8543	(total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
8544	Move definition before File_read::View member definitions.
8545	(File_read::View::~View): Initialize and hold lock before
8546	updating current_mapped_bytes.
8547
85482010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8549
8550	* dwarf_reader.cc: Remove outdated comment.
8551	* gold-threads.cc: Fix typo in error message.
8552	* archive.cc: Fix typos in comments.
8553	* archive.h: Likewise.
8554	* arm-reloc-property.cc: Likewise.
8555	* arm-reloc-property.h: Likewise.
8556	* arm-reloc.def: Likewise.
8557	* arm.cc: Likewise.
8558	* attributes.h: Likewise.
8559	* cref.cc: Likewise.
8560	* ehframe.cc: Likewise.
8561	* fileread.h: Likewise.
8562	* gold.h: Likewise.
8563	* i386.cc: Likewise.
8564	* icf.cc: Likewise.
8565	* incremental.h: Likewise.
8566	* int_encoding.cc: Likewise.
8567	* layout.h: Likewise.
8568	* main.cc: Likewise.
8569	* merge.h: Likewise.
8570	* object.cc: Likewise.
8571	* object.h: Likewise.
8572	* options.cc: Likewise.
8573	* readsyms.cc: Likewise.
8574	* reduced_debug_output.cc: Likewise.
8575	* reloc.cc: Likewise.
8576	* script-sections.cc: Likewise.
8577	* sparc.cc: Likewise.
8578	* symtab.h: Likewise.
8579	* target-reloc.h: Likewise.
8580	* target.cc: Likewise.
8581	* target.h: Likewise.
8582	* timer.cc: Likewise.
8583	* timer.h: Likewise.
8584	* x86_64.cc: Likewise.
8585
85862010-12-09  Cary Coutant  <ccoutant@google.com>
8587
8588	* layout.cc (Layout::layout_gnu_stack): Add warnings for executable
8589	stack.
8590	* layout.h (Layout::layout_gnu_stack): Add pointer to Object
8591	parameter; change all callers.
8592	* object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
8593	* options.h (warn_execstack): New option.
8594
85952010-12-07  Doug Kwan  <dougkwan@google.com>
8596
8597	* arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
8598	like function call relocations.
8599
86002010-12-07  Ian Lance Taylor  <iant@google.com>
8601
8602	* archive.cc (Archive::get_elf_object_for_member): Permit
8603	punconfigured to be NULL.
8604	(Archive::read_symbols): Pass NULL to get_elf_object_for_member.
8605	(Archive::include_member): Pass NULL to get_elf_object_for_member
8606	if we searched for the archive and this is the first included
8607	object.
8608
86092010-12-01  Ian Lance Taylor  <iant@google.com>
8610
8611	* dwarf_reader.h (class Sized_dwarf_line_info): Add
8612	track_relocs_type_ field.
8613	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8614	Set track_relocs_type_.
8615	(Sized_dwarf_line_info::process_one_opcode): Ignore the section
8616	contents when using RELA relocs.
8617	(Sized_dwarf_line_info::read_relocs): Add the reloc addend to
8618	reloc_map_.
8619	* reloc.cc (Track_relocs::next_addend): New function.
8620	* reloc.h (class Track_relocs): Declare next_addend.
8621
86222010-12-01  Ian Lance Taylor  <iant@google.com>
8623
8624	* testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
8625	virtual destructor.
8626
86272010-12-01  Ian Lance Taylor  <iant@google.com>
8628
8629	* README: Update compilers known to work and fail.
8630
86312010-11-23  Matthias Klose  <doko@ubuntu.com>
8632
8633	* configure.in: For --enable-gold, handle value `default' instead of
8634	`both*'.  Always install ld as ld.bfd, install as ld if gold is
8635	not the default.
8636	* configure: Regenerate.
8637
86382010-11-18  Doug Kwan  <dougkwan@google.com>
8639
8640	* expression.cc (BINARY_EXPRESSION): Initialize left_alignment
8641	and right_alignment to be zero.  Store result alignment only if it is
8642	greater than existing alignment.
8643
86442010-11-16  Cary Coutant  <ccoutant@google.com>
8645
8646	PR gold/12220
8647	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8648	Check for ".zdebug_line".
8649
86502010-11-16  Doug Kwan  <dougkwan@google.com>
8651	    Cary Coutant  <ccoutant@google.com>
8652
8653	* output.h (Output_segment::set_section_addresses): Pass increase_relro
8654	by reference; adjust all callers.
8655	* output.cc (Output_segment::set_section_addresses): Adjust references
8656	to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
8657	list is empty.
8658	(Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
8659	end at page boundary.
8660
86612010-11-16  Cary Coutant  <ccoutant@google.com>
8662
8663	PR gold/12220
8664	* layout.cc (Layout::choose_output_section): Transform names of
8665	compressed sections even when using a script with a SECTIONS clause.
8666	(Layout::output_section_name): Remove code to transform
8667	compressed debug section names.
8668	* output.cc (Output_section::add_input_section): Use uncompressed
8669	section size when tracking input sections.
8670
86712010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
8672
8673	* symtab.h (Symbol::NON_PIC_REF): Remove.
8674	(Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
8675	(Symbol::FUNCTION_CALL): Renumber.  Reword comment.
8676	(Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
8677	(Symbol::use_plt_offset): Take a flags argument and pass it
8678	directly to needs_dynamic_reloc.  Restrict check for undefined
8679	weak symbols to function calls.
8680	* arm.cc (Target_arm::Scan::get_reference_flags): New function.
8681	(Target_arm::Scan::global): Use it.
8682	(Target_arm::Scan::scan_reloc_for_stub): Likewise.
8683	(Target_arm::Relocate::relocate): Likewise.
8684	(Target_arm::Relocate::should_apply_static_reloc): Replace flags
8685	parameter with an r_type parameter.  Use get_reference_flags
8686	to get the flags.
8687	(Target_arm::Relocate::relocate): Update accordingly.
8688	* i386.cc (Target_i386::Scan::get_reference_flags): New function.
8689	(Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
8690	(Target_i386::Scan::global): Likewise.
8691	(Target_i386::Relocate::relocate): Likewise.
8692	(Target_i386::Relocate::should_apply_static_reloc): Replace flags
8693	parameter with an r_type parameter.  Use get_reference_flags
8694	to get the flags.
8695	(Target_i386::Relocate::relocate): Update accordingly.
8696	* powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
8697	(Target_powerpc::Scan::global): Use it.
8698	(Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
8699	(Target_powerpc::Relocate::relocate): Likewise.
8700	* sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
8701	(Target_sparc::Scan::global): Use it.
8702	(Target_sparc::Scan::scan_reloc_for_stub): Likewise.
8703	(Target_sparc::Relocate::relocate): Likewise.
8704	* x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
8705	(Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
8706	(Target_x86_64::Scan::global): Likewise.
8707	(Target_x86_64::Relocate::relocate): Likewise.
8708
87092010-11-08  Doug Kwan  <dougkwan@google.com>
8710	    Cary Coutant  <ccoutant@google.com>
8711
8712	* arm.cc (Arm_exidx_merge_section::build_contents): New method.
8713	(Arm_exidx_merge_section::section_contents_): New data member.
8714	(Arm_input_section::Arm_input_section): Initialize original_contents_.
8715	(Arm_input_section::~Arm_input_section): De-allocate memory.
8716	(Arm_input_section::original_contents_): New data member.
8717	(Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
8718	in parameters instead of calling Object::section_contents without
8719	locking.
8720	(Arm_output_section::group_section): New parameter TASK.  Pass it
8721	to callees that need locking objects.
8722	(Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
8723	to lock EXIDX input sections.  Fix a formatting issue.  Call
8724	Arm_exidx_merged_section::build_contents to create merged section
8725	contents.
8726	(Arm_output_section::create_stub_group): New parameter TASK.  Use it
8727	to lock object of stub table owner.
8728	(Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
8729	TEXT_SIZE to initialize data member TEXT_SIZE_.
8730	(Arm_exidx_input_section::addralign): Fix typo in comment.
8731	(Arm_exidx_input_section::text_size): New method.
8732	(Target_arm::do_relax): New parameter TASK.  Pass it to callees
8733	that require locking objects.  Lock objects before scanning for stubs
8734	and updating local symbols.
8735	(Arm_input_section<big_endian>::init): Copy contents of original
8736	input section.
8737	(Arm_input_section<big_endian>::do_write): Use saved contents of
8738	original input section instead of calling Object::section_contents
8739	without locking.
8740	(Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
8741	size without calling Object::section_size().
8742	(Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
8743	for size.  Allocate a buffer for merged EXIDX entries.
8744	(Arm_exidx_merged_section::build_contents): New method.
8745	(Arm_exidx_merged_section::do_write): Move merge section contents
8746	building code to Arm_exidx_merged_section::build_contetns.  Write
8747	out contetns in buffer instead of building it on the fly.
8748	(Arm_relobj::make_exidx_input_section): Also pass text section size
8749	to Arm_exidx_input_section constructor.
8750	(Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
8751	(Arm_dynobj::do_read_symbols): Fix memory leak.
8752	* layout.cc (Layout::finalize): Pass TASK to Target::relax().
8753	* target.h: (class Task): Add forward declaration.
8754	(Target::relax): Add new parameter TASK and pass it to
8755	Target::do_relax().
8756	(Target::do_relax):: New parameter TASK.  Fix a formatting issue.
8757
87582010-11-05  Cary Coutant  <ccoutant@google.com>
8759
8760	PR gold/10708
8761	* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
8762	object when reading from the file.
8763	* gold.cc (queue_middle_tasks): Hold a lock on the object when doing
8764	second layout pass.
8765	* icf.cc (preprocess_for_unique_sections): Hold a lock on the object
8766	when reading section contents.
8767	(get_section_contents): Likewise.
8768	(icf::find_identical_sections): Likewise.
8769	* mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
8770	object when reading from the file.
8771	* plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
8772	the object when doing deferred section layout.
8773
87742010-11-03  Nick Clifton  <nickc@redhat.com>
8775
8776	PR gold/12001
8777	* script.h (class Symbol_assignment: name): New member.  Returns
8778	the name of the symbol.
8779	* scrfipt.cc (Script_options::is_pending_assignment): New member.
8780	Returns true if the given symbol name is on the list of
8781	assignments wating to be processed.
8782	* archive.cc (should_incldue_member): If the symbol is undefined,
8783	check to see if it is on the list of symbols pending assignment.
8784
87852010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
8786
8787	* script-sections.cc (Script_sections::find_memory_region): Check
8788	for a NULL output section pointer.
8789
87902010-10-29  Doug Kwan  <dougkwan@google.com>
8791
8792	* arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
8793	Output_section::add_relaxed_input_section.
8794	* output.cc (Output_section::add_relaxed_input_section): Add new
8795	arguments LAYOUT and NAME.  Set section order index.
8796	(Output_section::convert_input_sections_in_list_to_relaxed_sections):
8797	Copy section order index.
8798	* output.h (Output_section::add_relaxed_input_section): Add new
8799	arguments LAYOUT and NAME.
8800
88012010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8802
8803	* testsuite/Makefile.am: Move gcctestdir/ld rule to
8804	NATIVE_OR_CROSS_LINKER.
8805	* testsuite/Makefile.in: Regenerate.
8806
88072010-10-20  Doug Kwan  <dougkwan@google.com>
8808
8809	* arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
8810	without SHF_LINK_ORDER flags.
8811	* layout.cc (Layout::choose_output_section): Do not filter
8812	SHF_LINK_ORDER flag in a relocatable link.
8813
88142010-10-17  Cary Coutant  <ccoutant@google.com>
8815
8816	* output.h (Output_segment::set_section_addresses): Change function
8817	signature.  Update all callers.
8818	* output.cc (Output_segment::is_first_section_relro): Ignore TLS
8819	sections.
8820	(Output_segment::set_section_addresses): Align after last TLS
8821	section.  Add padding before last relro section instead of after.
8822
88232010-10-17  Doug Kwan  <dougkwan@google.com>
8824
8825	* arm.cc (Target_arm::got_section): Use correct order and set
8826	GOT output section to be writable.
8827
88282010-10-14  Cary Coutant  <ccoutant@google.com>
8829
8830	* debug.h (DEBUG_INCREMENTAL): New flag.
8831	(debug_string_to_enum): Add DEBUG_INCREMENTAL).
8832	* gold.cc (queue_initial_tasks): Check parameters for incremental link
8833	mode.
8834	* incremental.cc (report_command_line): Ignore all forms of
8835	--incremental.
8836	* layout.cc (Layout::Layout): Check parameters for incremental link
8837	mode.
8838	* options.cc (General_options::parse_incremental): New function.
8839	(General_options::parse_no_incremental): New function.
8840	(General_options::parse_incremental_full): New function.
8841	(General_options::parse_incremental_update): New function.
8842	(General_options::incremental_mode_): New data member.
8843	(General_options::finalize): Check incremental_mode_.
8844	* options.h (General_options): Update help text for --incremental.
8845	Add --no-incremental, --incremental-full, --incremental-update.
8846	(General_options::Incremental_mode): New enum type.
8847	(General_options::incremental_mode): New function.
8848	(General_options::incremental_mode_): New data member.
8849	* parameters.cc (Parameters::incremental_mode_): New data member.
8850	(Parameters::set_options): Set incremental_mode_.
8851	(Parameters::set_incremental_full): New function.
8852	(Parameters::incremental): New function.
8853	(Parameters::incremental_update): New function.
8854	(set_parameters_incremental_full): New function.
8855	* parameters.h (Parameters::set_incremental_full): New function.
8856	(Parameters::incremental): New function.
8857	(Parameters::incremental_update): New function.
8858	(Parameters::incremental_mode_): New data member.
8859	(set_parameters_incremental_full): New function.
8860	* plugin.cc (Plugin_manager::add_input_file): Check parameters for
8861	incremental link mode.
8862	* reloc.cc (Sized_relobj::do_read_relocs): Likewise.
8863	(Sized_relobj::do_relocate_sections): Likewise.
8864	* testsuite/Makefile.am (incremental_test): Use --incremental-full
8865	option.
8866	* testsuite/Makefile.in: Regenerate.
8867	* testsuite/incremental_test.sh: Filter all forms of --incremental.
8868
88692010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8870
8871	* script-sections.h (class Script_sections): Make
8872	Sections_elements typedef public.
8873	* script-sections.cc (class Sort_output_sections): Add elements_
8874	field.  Add constructor which sets it; change all callers.
8875	(Sort_output_sections::is_before): New function.
8876	(Sort_output_sections::operator()): Call is_before.
8877	* configure.ac (NATIVE_OR_CROSS_LINKER): New automake
8878	conditional.
8879	* testsuite/script_test_10.sh: New test. Test script section
8880	order.
8881	* testsuite/script_test_10.t: Likewise.
8882	* testsuite/script_test_10.s: Likewise.
8883	* testsuite/Makefile.am: Wrap the cross linker tests and the
8884	common tests into NATIVE_OR_CROSS_LINKER.
8885	(check_SCRIPTS): Add script_test_10.sh.
8886	(check_DATA): Add script_test_10.stdout.
8887	(script_test_10.o, script_test_10): New targets.
8888	(script_test_10.stdout): New target.
8889	* configure, testsuite/Makefile.in: Regenerate.
8890
88912010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8892
8893	* arm.cc (Target_arm::Scan::local): Report the unsupported reloc
8894	error for the deprecated relocations.
8895	(Target_arm::Scan::global): Likewise.
8896	(Target_arm::Relocate::relocate): Likewise.
8897
88982010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
8899
8900	* fileread.cc (Input_file::find_file): Initialize *found_name
8901	and *namep when using the fallback search for case 4.
8902
89032010-10-11  Cary Coutant  <ccoutant@google.com>
8904
8905	* options.h (class General_options): Redefine -z lazy as an alias for
8906	the negation of -z now.
8907
89082010-10-11  Ian Lance Taylor  <iant@google.com>
8909
8910	* resolve.cc (symbol_to_bits): Report the value of the unsupported
8911	binding.
8912
89132010-10-06  Nick Clifton  <nickc@redhat.com>
8914
8915	* script-sections.cc(class Memory_region): Remove
8916	current_lma_offset_ field.  Rename current_vma_offset_ to
8917	current_offset_.  Add last_section_ field.
8918	(Memory_region::get_current_vma_address): Rename to
8919	get_current_address.
8920	(Memory_region::get_current_lma_address): Delete.
8921	(Memory_region::increment_vma_offset): Rename to
8922	increment_offset.
8923	(Memory_region::increment_lma_offset): Delete.
8924	(Memory_region::attributes_compatible): New method.  Returns
8925	true if the provided section is compatible with the region.
8926	(Memory_region::get_last_section): New method.  Returns the last
8927	section to use the region.
8928	(Memory_region::set_last_section): New method.  Stores the last
8929	section to use the region.
8930	(Script_sections::block_in_region): New method.  Returns true if
8931	a block of memory is contained within a region.
8932	(Script_sections::find_memory_region): New method.  Locates a
8933	memory region to be used to set a VMA or LMA address.
8934	(Output_section_definition::set_section_addresses): Add code to
8935	check for addresses set by memory regions.
8936	(Output_segment::set_section_addresses): Remove memory region
8937	walking code.
8938	(Script_sections::create_segment): Add a warning if a header
8939	segment is created outside of any region.
8940	* script-sections.h (class Script_sections): Add prototypes for
8941	find_memory_region and block_in_region methods.
8942	* testsuite/memory_test.s: Use .long instead of .word.
8943	* testsuite/memory_test.t: Add some more output sections.
8944	* testsuite/memory_test.sh: Update expected output.
8945
89462010-10-02  Doug Kwan  <dougkwan@google.com>
8947
8948	* symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
8949	defintion to symtab.h
8950	* symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
8951	declaration to defintion.
8952
89532010-10-01  Nick Clifton  <nickc@redhat.com>
8954
8955	* expression.cc (eval): Replace dummy argument with NULL.
8956	(eval_maybe_dot): Check for a NULL result section pointer.
8957	(Symbol_expression::value): Likewise.
8958	(Dot_expression::value): Likewise.
8959	(BINARY_EXPRESSION): Likewise.
8960	(Max_expression::value): Likewise.
8961	(Min_expression::value): Likewise.
8962	(Absolute_expression::value): Likewise.
8963	(Addr_expression::value_from_output_section): Likewise.
8964	(Loaddddr_expression::value_from_output_section): Likewise.
8965	(Segment_start_expression::value): Likewise.
8966	* script-sections.cc
8967	(Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
8968	argument with NULL.
8969	(Sections_elememt_dot_assignment::set_section_addresses):
8970	Likewise.
8971	(Output_data_expression::do_write_to_buffer): Likewise.
8972	(Output_section_definition::finalize_symbols): Likewise.
8973	(Output_section_definition::set_section_addresses): Likewise.
8974
89752010-09-30  Doug Kwan  <dougkwan@google.com>
8976
8977	* testsuite/arm_branch_out_of_range.sh: Fix broken tests.
8978
89792010-09-28  Sriraman Tallam  <tmsriram@google.com>
8980
8981	* target.h (Target::can_icf_inline_merge_sections): New virtual
8982	function.
8983	* x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
8984	virtual function.
8985	* i386.cc (Target_i386::can_icf_inline_merge_sections): New
8986	virtual function.
8987	* icf.cc (get_section_contents): Inline merge sections only when
8988	target allows it.
8989
89902010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8991
8992	* configure: Regenerate.
8993
89942010-09-17  Ian Lance Taylor  <iant@google.com>
8995
8996	* testsuite/memory_test.sh: Adjust for change of 2010-09-10.
8997	* testsuite/Makefile.am (memory_test.o): New target.
8998	(memory_test): Depend on memory_test.o, gcctestdir/ld, and
8999	memory_test.t.
9000	* testsuite/Makefile.in: Rebuild.
9001
90022010-09-17  Doug Kwan  <dougkwan@google.com>
9003
9004	* arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
9005	defintion if relocation uses GOT entries of the symbol.
9006	* testsuite/icf_safe_test.sh: Fix test.
9007	* testsuite/icf_safe_so_test.sh: Fix test.
9008
90092010-09-16  Cary Coutant  <ccoutant@google.com>
9010
9011	* script_sections.cc (class Memory_region): Remove "NULL" from
9012	vector initializations.
9013
90142010-09-15  Cary Coutant  <ccoutant@google.com>
9015
9016	* incremental.cc (Output_section_incremental_inputs::write_info_blocks):
9017	Resolve forwarding symbols.
9018
90192010-09-15  Doug Kwan  <dougkwan@google.com>
9020
9021	* testsuite/script_test_3.t: Add ARM special sections.
9022	* testsuite/script_test_4.t: Same.
9023	* testsuite/script_test_5.t: Same.
9024	* testsuite/script_test_6.t: Same.
9025	* testsuite/script_test_7.t: Same.
9026	* testsuite/script_test_7.t: Same.
9027	* testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
9028
90292010-09-14  Cary Coutant  <ccoutant@google.com>
9030
9031	* x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
9032	(Target_x86_64::Relocate::relocate_tls): Replace check for
9033	saw_tls_block_reloc_ with test for executable section.
9034
90352010-09-12  Cary Coutant  <ccoutant@google.com>
9036
9037	* symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
9038	position-independent executables to shared libraries need dynamic
9039	relocations.
9040	(Symbol::may_need_copy_reloc): Do not generate COPY relocs in
9041	position-independent executables.
9042	* testsuite/Makefile.am (two_file_mixed_pie_test): New test.
9043	* testsuite/Makefile.in: Regenerate.
9044
90452010-09-10  Nick Clifton  <nickc@redhat.com>
9046
9047	PR gold/11997
9048	* testsuite/memory_test.t: Discard any sections that are not
9049	needed.
9050
90512010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
9052
9053	PR gold/11996
9054	* object.cc (Sized_relobj::do_finalize_local_symbols): Remove
9055	"This::" to work around a bug in gcc 4.2.
9056
9057	* testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
9058
90592010-09-09  Rafael Espindola  <espindola@google.com>
9060
9061	* layout.cc (Layout::attach_allocated_section_to_segment): Don't put
9062	sections with different PF_X flags in the same segment.
9063	(Layout::find_first_load_seg): Search all segments to find the first
9064	one.
9065	* options.h (rosegment): New.
9066
90672010-09-08  Rafael Espindola  <espindola@google.com>
9068
9069	* layout.cc (Layout::set_segment_offsets): Always advance to a new page.
9070
90712010-09-08  Doug Kwan  <dougkwan@google.com>
9072
9073	* arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
9074	(Arm_relobj::do_relocate_sections): Add new parameter for output
9075	file to match the parent.
9076	(Target_arm::scan_reloc_section_for_stubs): Use would-be final values
9077	of local symbols instead of input values.  Update code to track
9078	changes in gold::relocate_section.
9079	* object.cc (Sized_relobj::compute_final_local_value): New methods.
9080	(Sized_relobj::compute_final_local_value_internal): New methods.
9081	(Sized_relobj::do_finalize_local_symbols): Move code from loop
9082	body into private version of Sized_relobj::compute_final_local_value.
9083	Call the inline method.
9084	* object.h (Symbol_value::Symbol_value): Define destructor.  Free
9085	merged symbol value if there is one.
9086	(Symbol_value::has_output_value): New method defintiion.
9087	(Sized_relobj::Compute_final_local_value_status): New enum type.
9088	(Sized_relobj::compute_final_local_value): New methods.
9089	(Sized_relobj::compute_final_local_value_internal): New methods.
9090	* Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
9091	and arm_cortex_a8.sh.
9092	(thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
9093	arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
9094	New tests.
9095	* Makefile.in: Regenerate.
9096	* testsuite/arm_bl_out_of_range.s: Update test.
9097	* testsuite/thumb_bl_out_of_range.s: Ditto.
9098	* testsuite/thumb_blx_out_of_range.s: Ditto.
9099	* testsuite/arm_branch_out_of_range.sh: New file.
9100	* testsuite/arm_cortex_a8.sh: Ditto.
9101	* testsuite/arm_cortex_a8_b.s: Ditto.
9102	* testsuite/arm_cortex_a8_b_cond.s: Ditto.
9103	* testsuite/arm_cortex_a8_b_local.s: Ditto.
9104	* testsuite/arm_cortex_a8_bl.s: Ditto.
9105	* testsuite/arm_cortex_a8_blx.s: Ditto.
9106	* testsuite/arm_cortex_a8_local.s: Ditto.
9107	* testsuite/arm_cortex_a8_local_reloc.s: Ditto.
9108	* testsuite/thumb_bl_out_of_range_local.s: Ditto.
9109
91102010-09-08  Rafael Espindola  <espindola@google.com>
9111
9112	* Makefile.am (memory_test.stdout): Run readelf with -W.
9113	* Makefile.in: Regenerate.
9114	* testsuite/memory_test.sh: Make the regexps accept both 32 and
9115	64 bit output.
9116
91172010-09-08  Rafael Espindola  <espindola@google.com>
9118
9119	* script-sections.cc (Script_sections::add_memory_region): Convert
9120	field precision to int.
9121	* script.cc (script_set_section_region, script_set_section_region):
9122	Convert field precision to int.
9123
91242010-09-08  Rafael Espindola  <espindola@google.com>
9125
9126	* arm.cc (do_finalize_sections): Create the __exidx_start and
9127	__exdix_end symbols even when the section is missing.
9128
91292010-09-08  Nick Clifton  <nickc@redhat.com>
9130
9131	* README: Remove claim that MEMORY is not supported.
9132	* expression.cc (script_exp_function_origin)
9133	(script_exp_function_length): Move from here to ...
9134	* script.cc: ... here.
9135	(script_set_section_region, script_add_memory)
9136	(script_parse_memory_attr, script_include_directive): New
9137	functions.
9138	* script-sections.cc
9139	(class Memory_region): New class.
9140	(class Output_section_definition): Add set_memory_region,
9141	set_section_vma, set_section_lma and get_section_name methods.
9142	(class Script_Sections): Add add_memory_region,
9143	find_memory_region, find_memory_region_origin,
9144	find_memory_region_length and set_memory_region methods.
9145	Have set_section_addresses method walk the list of set memory
9146	regions.
9147	Extend the print methos to display memory regions.
9148	* script-sections.h: Add prototypes for new methods.
9149	Add enum for MEMORY region attributes.
9150	* yyscript.y: Add support for parsing MEMORY regions.
9151	* script-c.h: Add prototypes for new functions.
9152	* testsuite/Makefile.am: Add test of MEMORY region functionality.
9153	* testsuite/Makefile.in: Regenerate.
9154	* testsuite/memory_test.sh: New script.
9155	* testsuite/memory_test.s: New assembler source file.
9156	* testsuite/memory_test.t: New linker script.
9157
91582010-08-27  Doug Kwan  <dougkwan@google.com>
9159
9160	* resolve.cc (Symbol_table::should_override): Let a weak
9161	reference override an existing dynamic weak reference.
9162	* testsuite/Makefile.am: Add new test dyn_weak_ref.
9163	* testsuite/Makefile.in: Regenerate.
9164	* testsuite/dyn_weak_ref.sh: New file.
9165	* testsuite/dyn_weak_ref_1.c: Ditto.
9166	* testsuite/dyn_weak_ref_2.c: Ditto.
9167
91682010-08-27  Ian Lance Taylor  <iant@google.com>
9169
9170	* incremental.h (class Incremental_input_entry): Add virtual
9171	destructor.
9172
91732010-08-27  Ian Lance Taylor  <iant@google.com>
9174
9175	* testsuite/start_lib_test_3.c: Mark t3 as used.
9176
91772010-08-27  Nick Clifton  <nickc@redhat.com>
9178
9179	* options.cc (version_script): Fix small typo in previous
9180	whitespace tidyup.
9181
91822010-08-25  Nick Clifton  <nickc@redhat.com>
9183
9184	* archive.cc: Formatting fixes: Remove whitespace between
9185	typename and following asterisk.  Remove whitespace between
9186	function name and opening parenthesis.
9187	* archive.h: Likewise.
9188	* arm.cc: Likewise.
9189	* attributes.cc: Likewise.
9190	* attributes.h: Likewise.
9191	* common.cc: Likewise.
9192	* copy-relocs.cc: Likewise.
9193	* dirsearch.h: Likewise.
9194	* dynobj.cc: Likewise.
9195	* ehframe.cc: Likewise.
9196	* ehframe.h: Likewise.
9197	* expression.cc: Likewise.
9198	* fileread.cc: Likewise.
9199	* fileread.h: Likewise.
9200	* gc.h: Likewise.
9201	* gold-threads.cc: Likewise.
9202	* gold.cc: Likewise.
9203	* i386.cc: Likewise.
9204	* icf.h: Likewise.
9205	* incremental-dump.cc: Likewise.
9206	* incremental.cc: Likewise.
9207	* layout.cc: Likewise.
9208	* layout.h: Likewise.
9209	* main.cc: Likewise.
9210	* merge.cc: Likewise.
9211	* merge.h: Likewise.
9212	* object.cc: Likewise.
9213	* object.h: Likewise.
9214	* options.cc: Likewise.
9215	* options.h: Likewise.
9216	* output.cc: Likewise.
9217	* output.h: Likewise.
9218	* plugin.cc: Likewise.
9219	* plugin.h: Likewise.
9220	* powerpc.cc: Likewise.
9221	* reloc.cc: Likewise.
9222	* script-c.h: Likewise.
9223	* script-sections.cc: Likewise.
9224	* script.cc: Likewise.
9225	* stringpool.cc: Likewise.
9226	* symtab.cc: Likewise.
9227	* symtab.h: Likewise.
9228	* target.cc: Likewise.
9229	* timer.cc: Likewise.
9230	* timer.h: Likewise.
9231	* version.cc: Likewise.
9232	* x86_64.cc: Likewise.
9233
92342010-08-24  Nick Clifton  <nickc@redhat.com>
9235
9236	PR 11899
9237	* layout.cc (segment_precedes): Sort segments by their physical
9238	addresses, if they have been set.
9239
92402010-08-23  Cary Coutant  <ccoutant@google.com>
9241
9242	* archive.cc (Lib_group::add_symbols): Lock object before deleting its
9243	symbols data.
9244	(Lib_group::include_member): Unlock object after deleting its
9245	symbols data.
9246	* testsuite/start_lib_test_3.c: Remove all global symbols to trigger
9247	the bug fixed here.
9248
92492010-08-19  Neil Vachharajani  <nvachhar@google.com>
9250	    Cary Coutant  <ccoutant@google.com>
9251
9252	* archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
9253	constructor, and set_blocker.
9254	* archive.cc (Add_lib_group_symbols::is_runnable): Also check
9255	readsyms_blocker_.
9256	* readsyms.cc (Read_symbols::do_lib_group): Also pass
9257	this->this_blocker_ to Add_lib_group_symbols::set_blocker.
9258	* testsuite/Makefile.am (start_lib_test): New test case.
9259	* testsuite/Makefile.in: Regenerate.
9260	* testsuite/start_lib_test_main.c: New file.
9261	* testsuite/start_lib_test_1.c: New file.
9262	* testsuite/start_lib_test_2.c: New file.
9263	* testsuite/start_lib_test_3.c: New file.
9264
92652010-08-19  Ian Lance Taylor  <iant@google.com>
9266
9267	* Makefile.in: Rebuild with automake 1.11.1.
9268	* aclocal.m4: Likewise.
9269	* testsuite/Makefile.in: Likewise.
9270
92712010-08-19  Ian Lance Taylor  <iant@google.com>
9272
9273	PR 10893
9274	* i386.cc (class Output_data_plt_i386): Update declarations.
9275	Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
9276	local_ifuncs_ fields.
9277	(Target_i386::do_plt_section_for_global): New function.
9278	(Target_i386::do_plt_section_for_local): New function.
9279	(Output_data_plt_i386::Output_data_plt_i386): Add symtab
9280	parameter; change all callers.  Initialize global_ifuncs_ and
9281	local_ifuncs_.  If doing a static link define __rel_iplt_start and
9282	__rel_iplt_end.
9283	(Output_data_plt_i386::add_entry): Handle IFUNC symbols.
9284	(Output_data_plt_i386::add_local_ifunc_entry): New function.
9285	(Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
9286	symbols.
9287	(Target_i386::make_plt_section): New function, broken out of
9288	make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
9289	(Target_i386::make_plt_entry): Call make_plt_section.
9290	(Target_i386::make_local_ifunc_plt_entry): New function.
9291	(Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
9292	(Target_i386::Scan::local): Handle IFUNC symbols.  Add
9293	R_386_IRELATIVE to switch.
9294	(Target_i386::Scan::global): Likewise.
9295	(Target_i386::Relocate::relocate): Likewise.
9296	(Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
9297	switch.
9298	* x86_64.cc (class Output_data_plt_x86_64): Update declarations.
9299	(Target_x86_64::do_plt_section_for_global): New function.
9300	(Target_x86_64::do_plt_section_for_local): New function.
9301	(Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
9302	parameter; change all callers.  If doing a static link define
9303	__rela_iplt_start and __rela_iplt_end.
9304	(Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
9305	(Output_data_plt_x86_64::add_local_ifunc_entry): New function.
9306	(Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
9307	to point to .plt.
9308	(Target_x86_64::make_local_ifunc_plt_entry): New function.
9309	(Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
9310	switch.
9311	(Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
9312	(Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
9313	R_X86_64_IRELATIVE to switch.
9314	(Target_x86_64::Scan::global): Likewise.
9315	(Target_x86_64::Relocate::relocate): Likewise.
9316	(Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
9317	switch.
9318	* target.h (class Target): Add plt_section_for_global and
9319	plt_section_for_local functions.  Add do_plt_section_for_global
9320	and do_plt_section_for_local virtual functions.
9321	* symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
9322	clarifying comments.
9323	(Symbol::use_plt_offset): Handle IFUNC symbol.
9324	* object.cc (Sized_relobj::Sized_relobj): Initialize
9325	local_plt_offsets_.
9326	(Sized_relobj::local_has_plt_offset): New function.
9327	(Sized_relobj::local_plt_offset): New function.
9328	(Sized_relobj::set_local_plt_offset): New function.
9329	(Sized_relobj::do_count): Handle IFUNC symbol.
9330	* object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
9331	a bit away from input_shndx_ field.  Add set_is_func_symbol and
9332	is_ifunc_symbol functions.
9333	(class Sized_relobj): Update declarations.  Remove Tls_got_entry
9334	and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
9335	local_plt_offsets_ field.
9336	(Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
9337	* output.h (class Output_section_data): Add non-const
9338	output_section function.
9339	(class Output_data_got): Update declarations.
9340	(class Output_data_got::Got_entry): Add use_plt_offset_ field.
9341	Add use_plt_offset parameter to global and local constructors.
9342	Change all callers.  Change local_sym_index_ field to 31 bits.
9343	Change GSYM_CODE and CONSTANT_CODE accordingly.
9344	* output.cc (Output_data_reloc_base::do_adjust_output_section): If
9345	doing a static link don't set sh_link field.
9346	(Output_data_got::Got_entry::write): Use PLT offset if
9347	appropriate.
9348	(Output_data_got::add_global_plt): New function.
9349	(Output_data_got::add_local_plt): New function.
9350	* target-reloc.h (relocate_section): Handle IFUNC symbol.
9351	* defstd.cc (in_section): Remove entries for __rel_iplt_start,
9352	__rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
9353	* configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
9354	* testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
9355	IFUNC conditional.
9356	* testsuite/ifunc-sel.h: New file.
9357	* testsuite/ifuncmain1.c: New file.
9358	* testsuite/ifuncmain1vis.c: New file.
9359	* testsuite/ifuncmod1.c: New file.
9360	* testsuite/ifuncdep2.c: New file.
9361	* testsuite/ifuncmain2.c: New file.
9362	* testsuite/ifuncmain3.c: New file.
9363	* testsuite/ifuncmod3.c: New file.
9364	* testsuite/ifuncmain4.c: New file.
9365	* testsuite/ifuncmain5.c: New file.
9366	* testsuite/ifuncmod5.c: New file.
9367	* testsuite/ifuncmain6pie.c: New file.
9368	* testsuite/ifuncmod6.c: New file.
9369	* testsuite/ifuncmain7.c: New file.
9370	* configure, testsuite/Makefile.in: Rebuild.
9371
93722010-08-18  Ian Lance Taylor  <iant@google.com>
9373
9374	* incremental.cc
9375	(Output_section_incremental_inputs::write_input_files): Add cast
9376	to avoid signed/unsigned comparison warning.
9377	(Output_section_incremental_inputs::write_info_blocks): Likewise.
9378
93792010-08-12  Cary Coutant  <ccoutant@google.com>
9380
9381	* common.cc (Sort_commons::operator()): Remove unnecessary code.
9382
93832010-08-13  Ian Lance Taylor  <iant@google.com>
9384
9385	* testsuite/incremental_test_1.c: Add prototype to avoid warning.
9386
93872010-08-12  Cary Coutant  <ccoutant@google.com>
9388	    Doug Kwan  <dougkwan@google.com>
9389
9390	* resolve.cc (Symbol_table::should_override): When a weak dynamic
9391	defintion overrides non-weak undef, remember that the original undef
9392	is not weak.
9393	* symtab.cc (Symbol_table::sized_write_global): For undef without
9394	an original weak binding, set binding to global in output.
9395	* testsuite/Makefile.am: Add new test strong_ref_weak_def.
9396	* testsuite/Makefile.in: Regenerate.
9397	* testsuite/strong_ref_weak_def.sh: New file.
9398	* testsuite/strong_ref_weak_def_1.c: Ditto.
9399	* testsuite/strong_ref_weak_def_2.c: Ditto.
9400
94012010-08-12  Cary Coutant  <ccoutant@google.com>
9402
9403	* testsuite/incremental_test.sh: Rewrite.
9404	* testsuite/incremental_test_1.c: Rewrite.
9405	* testsuite/incremental_test_2.c: Rewrite.
9406
94072010-08-12  Cary Coutant  <ccoutant@google.com>
9408
9409	* arm.cc (Target_arm::got_size): Add const.
9410	(Target_arm::got_entry_count): New function.
9411	(Target_arm::plt_entry_count): New function.
9412	(Target_arm::first_plt_entry_offset): New function.
9413	(Target_arm::plt_entry_size): New function.
9414	(Output_data_plt_arm::entry_count): New function.
9415	(Output_data_plt_arm::first_plt_entry_offset): New function.
9416	(Output_data_plt_arm::get_plt_entry_size): New function.
9417	* i386.cc (Target_i386::got_size): Add const.
9418	(Target_i386::got_entry_count): New function.
9419	(Target_i386::plt_entry_count): New function.
9420	(Target_i386::first_plt_entry_offset): New function.
9421	(Target_i386::plt_entry_size): New function.
9422	(Output_data_plt_i386::entry_count): New function.
9423	(Output_data_plt_i386::first_plt_entry_offset): New function.
9424	(Output_data_plt_i386::get_plt_entry_size): New function.
9425	* incremental-dump.cc (dump_incremental_inputs): Adjust call to
9426	find_incremental_inputs_sections.  Dump incremental_got_plt section.
9427	* incremental.cc: Include target.h.
9428	(Sized_incremental_binary::do_find_incremental_inputs_sections): Add
9429	parameter.  Adjust all callers.  Find incremental_got_plt section.
9430	(Incremental_inputs::create_data_sections): Create incremental_got_plt
9431	section.
9432	(Output_section_incremental_inputs::set_final_data_size): Calculate
9433	size of incremental_got_plt section.
9434	(Output_section_incremental_inputs::do_write): Write the
9435	incremental_got_plt section.
9436	(Got_plt_view_info): New struct.
9437	(Local_got_offset_visitor): New class.
9438	(Global_got_offset_visitor): New class.
9439	(Global_symbol_visitor_got_plt): New class.
9440	(Output_section_incremental_inputs::write_got_plt): New function.
9441	* incremental.h (Incremental_binary::find_incremental_inputs_sections):
9442	Add parameter.  Adjust all callers.
9443	(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
9444	(Incremental_inputs::got_plt_section): New function.
9445	(Incremental_inputs::got_plt_section_): New data member.
9446	(Incremental_got_plt_reader): New class.
9447	* layout.cc (Layout::create_incremental_info_sections): Add the
9448	incremental_got_plt section.
9449	* object.h (Got_offset_list::get_list): New function.
9450	(Got offset_list::for_all_got_offsets): New function.
9451	(Sized_relobj::local_got_offset_list): New function.
9452	* powerpc.cc (Target_powerpc::got_size): Add const.
9453	(Target_powerpc::got_entry_count): New function.
9454	(Target_powerpc::plt_entry_count): New function.
9455	(Target_powerpc::first_plt_entry_offset): New function.
9456	(Target_powerpc::plt_entry_size): New function.
9457	(Output_data_plt_powerpc::entry_count): New function.
9458	(Output_data_plt_powerpc::first_plt_entry_offset): New function.
9459	(Output_data_plt_powerpc::get_plt_entry_size): New function.
9460	* sparc.cc (Target_sparc::got_size): Add const.
9461	(Target_sparc::got_entry_count): New function.
9462	(Target_sparc::plt_entry_count): New function.
9463	(Target_sparc::first_plt_entry_offset): New function.
9464	(Target_sparc::plt_entry_size): New function.
9465	(Output_data_plt_sparc::entry_count): New function.
9466	(Output_data_plt_sparc::first_plt_entry_offset): New function.
9467	(Output_data_plt_sparc::get_plt_entry_size): New function.
9468	* symtab.h (Symbol::got_offset_list): New function.
9469	(Symbol_table::for_all_symbols): New function.
9470	* target.h (Sized_target::got_entry_count): New function.
9471	(Sized_target::plt_entry_count): New function.
9472	(Sized_target::plt_entry_size): New function.
9473	* x86_64.cc (Target_x86_64::got_size): Add const.
9474	(Target_x86_64::got_entry_count): New function.
9475	(Target_x86_64::plt_entry_count): New function.
9476	(Target_x86_64::first_plt_entry_offset): New function.
9477	(Target_x86_64::plt_entry_size): New function.
9478	(Output_data_plt_x86_64::entry_count): New function.
9479	(Output_data_plt_x86_64::first_plt_entry_offset): New function.
9480	(Output_data_plt_x86_64::get_plt_entry_size): New function.
9481
94822010-08-12  Cary Coutant  <ccoutant@google.com>
9483
9484	* archive.cc: Include incremental.h.
9485	(Archive::Archive): Initialize incremental_info_.
9486	(Archive::include_member): Record archive members in incremental info.
9487	(Add_archive_symbols::run): Record begin and end of an archive in
9488	incremental info.
9489	(Lib_group::include_member): Record objects in incremental info.
9490	* archive.h (Incremental_archive_entry): Forward declaration.
9491	(Archive::set_incremental_info): New member function.
9492	(Archive::incremental_info): New member function.
9493	(Archive::Unused_symbol_iterator): New class.
9494	(Archive::unused_symbols_begin): New member function.
9495	(Archive::unused_symbols_end): New member function.
9496	(Archive::incremental_info_): New data member.
9497	* incremental-dump.cc (find_input_containing_global): New function.
9498	(dump_incremental_inputs): Dump new incremental info sections.
9499	* incremental.cc: Include symtab.h.
9500	(Output_section_incremental_inputs): New class.
9501	(Sized_incremental_binary::do_find_incremental_inputs_sections): Support
9502	new incremental info sections.
9503	(Sized_incremental_binary::do_check_inputs): Likewise.
9504	(Incremental_inputs::report_archive): Remove.
9505	(Incremental_inputs::report_archive_begin): New function.
9506	(Incremental_inputs::report_archive_end): New function.
9507	(Incremental_inputs::report_object): New function.
9508	(Incremental_inputs::finalize_inputs): Remove.
9509	(Incremental_inputs::report_input_section): New function.
9510	(Incremental_inputs::report_script): Rewrite.
9511	(Incremental_inputs::finalize): Do nothing but finalize string table.
9512	(Incremental_inputs::create_incremental_inputs_section_data): Remove.
9513	(Incremental_inputs::sized_create_inputs_section_data): Remove.
9514	(Incremental_inputs::create_data_sections): New function.
9515	(Incremental_inputs::relocs_entsize): New function.
9516	(Output_section_incremental_inputs::set_final_data_size): New function.
9517	(Output_section_incremental_inputs::do_write): New function.
9518	(Output_section_incremental_inputs::write_header): New function.
9519	(Output_section_incremental_inputs::write_input_files): New function.
9520	(Output_section_incremental_inputs::write_info_blocks): New function.
9521	(Output_section_incremental_inputs::write_symtab): New function.
9522	* incremental.h (Incremental_script_entry): Forward declaration.
9523	(Incremental_object_entry): Forward declaration.
9524	(Incremental_archive_entry): Forward declaration.
9525	(Incremental_inputs): Forward declaration.
9526	(Incremental_inputs_header_data): Remove.
9527	(Incremental_inputs_header): Remove.
9528	(Incremental_inputs_header_write): Remove.
9529	(Incremental_inputs_entry_data): Remove.
9530	(Incremental_inputs_entry): Remove.
9531	(Incremental_inputs_entry_write): Remove.
9532	(enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
9533	(Incremental_binary::find_incremental_inputs_sections): Add parameters.
9534	(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
9535	(Sized_ncremental_binary::do_find_incremental_inputs_sections):
9536	Likewise.
9537	(Incremental_input_entry): New class.
9538	(Incremental_script_entry): New class.
9539	(Incremental_object_entry): New class.
9540	(Incremental_archive_entry): New class.
9541	(Incremental_inputs::Incremental_inputs): Initialize new data members.
9542	(Incremental_inputs::report_inputs): Remove.
9543	(Incremental_inputs::report_archive): Remove.
9544	(Incremental_inputs::report_archive_begin): New function.
9545	(Incremental_inputs::report_archive_end): New function.
9546	(Incremental_inputs::report_object): Change prototype.
9547	(Incremental_inputs::report_input_section): New function.
9548	(Incremental_inputs::report_script): Change prototype.
9549	(Incremental_inputs::get_reloc_count): New function.
9550	(Incremental_inputs::set_reloc_count): New function.
9551	(Incremental_inputs::create_data_sections): New function.
9552	(Incremental_inputs::create_incremental_inputs_section_data): Remove.
9553	(Incremental_inputs::inputs_section): New function.
9554	(Incremental_inputs::symtab_section): New function.
9555	(Incremental_inputs::relocs_section): New function.
9556	(Incremental_inputs::get_stringpool): Add const.
9557	(Incremental_inputs::command_line): Add const.
9558	(Incremental_inputs::inputs): Remove.
9559	(Incremental_inputs::command_line_key): New function.
9560	(Incremental_inputs::input_file_count): New function.
9561	(Incremental_inputs::input_files): New function.
9562	(Incremental_inputs::relocs_entsize): New function.
9563	(Incremental_inputs::sized_create_inputs_section_data): Remove.
9564	(Incremental_inputs::finalize_inputs): Remove.
9565	(Incremental_inputs::Input_info): Remove.
9566	(Incremental_inputs::lock_): Remove.
9567	(Incremental_inputs::inputs_): Change type.
9568	(Incremental_inputs::inputs_map_): Remove.
9569	(Incremental_inputs::current_object_entry_): New data member.
9570	(Incremental_inputs::inputs_section_): New data member.
9571	(Incremental_inputs::symtab_section_): New data member.
9572	(Incremental_inputs::relocs_section_): New data member.
9573	(Incremental_inputs::reloc_count_): New data member.
9574	(Incremental_inputs_reader): New class.
9575	(Incremental_symtab_reader): New class.
9576	(Incremental_relocs_reader): New class.
9577	* layout.cc (Layout::finalize): Move finalization of incremental info
9578	and creation of incremental info sections to follow finalization of
9579	symbol table.  Set offsets for postprocessing sections.
9580	(Layout::create_incremental_info_sections): Call
9581	Incremental_inputs::create_data_sections.  Add incremental symtab
9582	and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
9583	sections to layout after input sections.
9584	* layout.h (struct Timespec): Forward declaration.
9585	(Layout::incremental_inputs): Add const.
9586	(Layout::create_incremental_info_sections): Add parameter.
9587	* main.cc (main): Remove call to Incremental_inputs::report_inputs.
9588	* object.cc: Include incremental.h.
9589	(Relobj::finalize_incremental_relocs): New function.
9590	(Sized_relobj::do_layout): Record input sections in incremental info.
9591	* object.h (Object::output_section): New function.
9592	(Object::output_section_offset): Moved from Relobj.
9593	(Object::get_incremental_reloc_base): New function.
9594	(Object::get_incremental_reloc_count): New function.
9595	(Object::do_output_section): New function.
9596	(Object::do_output_section_offset): Moved from Relobj.
9597	(Object::do_get_incremental_reloc_base): New function.
9598	(Object::do_get_incremental_reloc_count): New function.
9599	(Object::Object): Initialize new data members.
9600	(Relobj::output_section): Renamed do_output_section and moved to
9601	protected.
9602	(Relobj::output_section_offset): Moved to Object.
9603	(Relobj::do_get_incremental_reloc_base): New function.
9604	(Relobj::do_get_incremental_reloc_count): New function.
9605	(Relobj::allocate_incremental_reloc_counts): New function.
9606	(Relobj::count_incremental_reloc): New function.
9607	(Relobj::finalize_incremental_relocs): New function.
9608	(Relobj::next_incremental_reloc_index): New function.
9609	(Relobj::reloc_counts_): New data member.
9610	(Relobj::reloc_bases_): New data member.
9611	(Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
9612	(Sized_relobj::relocate_sections): Add parameter.  Change all callers.
9613	(Sized_relobj::incremental_relocs_scan): New function.
9614	(Sized_relobj::incremental_relocs_scan_reltype): New function.
9615	(Sized_relobj::incremental_relocs_write): New function.
9616	(Sized_relobj::incremental_relocs_write_reltype): New function.
9617	* plugin.cc (Plugin_manager::add_input_file): Rewrite test for
9618	incremental link.
9619	* readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
9620	archives and object files elsewhere.
9621	(Add_symbols::run): Report object files here.
9622	(Finish_group::run): Report end of archive at end of group.
9623	* reloc.cc: Include layout.h, incremental.h.
9624	(Sized_relobj::do_read_relocs): Need relocations for incremental link.
9625	(Sized_relobj::do_scan_relocs): Record relocations for incremental link.
9626	(Sized_relobj::incremental_relocs_scan): New function.
9627	(Sized_relobj::incremental_relocs_scan_reltype): New function.
9628	(Sized_relobj::do_relocate_sections): Write incremental relocations.
9629	(Sized_relobj::incremental_relocs_write): New function.
9630	(Sized_relobj::incremental_relocs_write_reltype): New function.
9631	* script.cc (read_input_script): Rewrite test for incremental link.
9632	Change call to Incremental_inputs::report_script.
9633	* symtab.h (Symbol_table::first_global_index): New function.
9634	(Symbol_table::output_count): New function.
9635
96362010-08-12  Doug Kwan  <dougkwan@google.com>
9637
9638	* arm.cc (Target_arm::merge_object_attributes): Check command line
9639	options --no-wchar-size-warning and --no-enum-size-warning.
9640	* options.h (General_options): Add ld-compatible options
9641	--no-enum-size-warning and --no-wchar-size-warning.
9642
96432010-08-04  Ian Lance Taylor  <iant@google.com>
9644
9645	* x86_64.cc (Target_x86_64::Scan::local): Use
9646	R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
9647	R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
9648	(Target_x86_64::Scan::global): Likewise.
9649	(Target_x86_64::Relocate::relocate): Likewise.
9650	(Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
9651	Likewise.
9652
96532010-08-03  Cary Coutant  <ccoutant@google.com>
9654
9655	* merge.cc (Output_merge_string::do_add_input_section): Count strings
9656	to reserve space in merged_strings vector. Keep total input size
9657	for stats.
9658	(Output_merge_string::do_print_merge_stats): Print total input size.
9659	* merge.h (Output_merge_string): Add input_size_ field.
9660	* stringpool.cc (Stringpool_template::string_length): Move
9661	implementations out of Stringpool_template class and place in
9662	stringpool.h.
9663	* stringpool.h (string_length): Move out of Stringpool_template.
9664
96652010-08-03  Ian Lance Taylor  <iant@google.com>
9666
9667	PR 11712
9668	* layout.cc (relaxation_loop_body): If address of load segment is
9669	set, adjust address to include headers if possible.
9670
96712010-08-03  Ian Lance Taylor  <iant@google.com>
9672
9673	* version.cc (version_string): Bump to 1.10.
9674
96752010-08-03  Ian Lance Taylor  <iant@google.com>
9676
9677	PR 11805
9678	* layout.h (enum Output_section_order): Define.
9679	(class Layout): Update declarations.
9680	* layout.cc (Layout::get_output_section): Add order parameter.
9681	Remove is_interp, is_dynamic_linker_section, is_last_relro, and
9682	is_first_non_relro parameters.  Change all callers.
9683	(Layout::choose_output_section): Likewise.
9684	(Layout::add_output_section_data): Likewise.
9685	(Layout::make_output_section): Likewise.  Set order.
9686	(Layout::default_section_order): New function.
9687	(Layout::layout_eh_frame): Call add_output_section_to_nonload.
9688	* output.cc (Output_section::Output_section): Initialize order_.
9689	Don't initialize deleted fields.
9690	(Output_segment::Output_segment): Don't initialize deleted
9691	fields.
9692	(Output_segment::add_output_section_to_load): New function
9693	replacing add_output_section.  Change all callers to call this or
9694	add_output_section_to_nonload.
9695	(Output_segment::add_output_section_to_nonload): New function.
9696	(Output_segment::remove_output_section): Rewrite.
9697	(Output_segment::add_initial_output_data): Likewise.
9698	(Output_segment::has_any_data_sections): Likewise.
9699	(Output_segment::is_first_section_relro): Likewise.
9700	(Output_segment::maximum_alignment): Likewise.
9701	(Output_segment::has_dynamic_reloc): New function replacing
9702	dynamic_reloc_count.  Change all callers.
9703	(Output_segment::has_dynamic_reloc_list): New function replacing
9704	dynamic_reloc_count_list.  Change all callers.
9705	(Output_segment::set_section_addresses): Rewrite.
9706	(Output_segment::set_offset): Rewrite.
9707	(Output_segment::find_first_and_last_list): Remove.
9708	(Output_segment::set_tls_offsets): Rewrite.
9709	(Output_segment::first_section_load_address): Likewise.
9710	(Output_segment::output_section_count): Likewise.
9711	(Output_segment::section_with_lowest_load_address): Likewise.
9712	(Output_segment::write_section_headers): Likewise.
9713	(Output_segment::print_sections_to_map): Likewise.
9714	* output.h (class Output_data): Remove dynamic_reloc_count_
9715	field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
9716	(Output_data::add_dynamic_reloc): Rewrite.
9717	(Output_data::has_dynamic_reloc): New function.
9718	(Output_data::dynamic_reloc_count): Remove.
9719	(class Output_section): Add order_ field.  Remvoe is_relro_local_,
9720	is_last_relro_, is_first_non_relro_, is_interp_,
9721	is_dynamic_linker_section_ fields.  Add order and set_order
9722	functions.  Remove is_relro_local, set_is_relro_local,
9723	is_last_relro, set_is_last_relro, is_first_non_relro,
9724	set_is_first_non_relro functions, is_interp, set_is_interp,
9725	is_dynamic_linker_section, and set_is_dynamic_linker_section
9726	functions.
9727	(class Output_segment): Change Output_data_list from std::list to
9728	std:;vector.  Add output_lists_ field.  Remove output_data_ and
9729	output_bss_ fields.  Update declarations.
9730
97312010-08-02  Ian Lance Taylor  <iant@google.com>
9732
9733	* arm.cc (Target_arm::gc_process_relocs): Use typename.
9734	* powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
9735	* sparc.cc (Target_sparc::gc_process_relocs): Likewise.
9736
97372010-08-02  Ian Lance Taylor  <iant@google.com>
9738
9739	PR 11855
9740	* script.cc (Script_options::Script_options): Initialize
9741	symbol_definitions_ and symbol_references_.
9742	(Script_options::add_symbol_assignment): Update
9743	symbol_definitions_ and symbol_references_.
9744	(Script_options::add_symbol_reference): New function.
9745	(script_symbol): New function.
9746	* script.h (class Script_options): Add symbol_definitions_ and
9747	symbol_references_ fields.
9748	(Script_options::referenced_const_iterator): New type.
9749	(Script_options::referenced_begin): New function.
9750	(Script_options::referenced_end): New function.
9751	(Script_options::is_referenced): New function.
9752	(Script_options::any_unreferenced): New function.
9753	* script-c.h (script_symbol): Declare.
9754	* yyscript.y (exp): Call script_symbol.
9755	* symtab.cc: Include "script.h".
9756	(Symbol_table::gc_mark_undef_symbols): Add layout parameter.
9757	Change all callers.  Check symbols referenced by scripts.
9758	(Symbol_table::add_undefined_symbols_from_command_line): Add
9759	layout parameter.  Change all callers.
9760	(Symbol_table::do_add_undefined_symbols_from_command_line):
9761	Likewise.  Break out loop body.  Check symbols referenced by
9762	scripts.
9763	(Symbol_table::add_undefined_symbol_from_command_line): New
9764	function broken out of
9765	do_add_undefined_symbols_from_command_line.
9766	* symtab.h (class Symbol_table): Update declarations.
9767	* archive.cc: Include "layout.h".
9768	(Archive::should_include_member): Add layout parameter.  Change
9769	all callers.  Check for symbol mentioned in expression.
9770	* archive.h (class Archive): Update declaration.
9771	* object.cc (Sized_relobj::do_should_include_member): Add layout
9772	parameter.
9773	* object.h (Object::should_include_member): Add layout parameter.
9774	Change all callers.
9775	(Object::do_should_include_member): Add layout parameter.
9776	(class Sized_relobj): Update declaration.
9777	* dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
9778	parameter.
9779	* dynobj.h (class Sized_dynobj): Update declaration.
9780	* plugin.cc (Sized_pluginobj::do_should_include_member): Add
9781	layout parameter.
9782	* plugin.h (class Sized_pluginobj): Update declaration.
9783
97842010-08-02  Ian Lance Taylor  <iant@google.com>
9785
9786	PR 11866
9787	* output.cc (Output_segment::set_offset): Search for the first and
9788	last sections rather than assuming that the list is in order.
9789	(Output_segment::find_first_and_last_list): New function.
9790	* output.h (class Output_segment): Update declarations.
9791	* testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
9792	(relro_strip_test_SOURCES): New variable.
9793	(relro_strip_test_DEPENDENCIES): New variable.
9794	(relro_strip_test_LDFLAGS): New variable.
9795	(relro_strip_test_LDADD): New variable.
9796	(relro_strip_test.so): New target.
9797
97982010-08-02  Ian Lance Taylor  <iant@google.com>
9799
9800	* i386.cc (class Target_i386): Add got_tlsdesc_ field.
9801	(Target_i386::Target_i386):: Initialize got_tlsdesc_.
9802	(Target_i386::got_tlsdesc_section): New function.
9803	(Target_i386::got_section): Create space for GOT entries for
9804	TLSDESC relocations.
9805	(Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
9806	R_386_TLS_GOTDESC.
9807	(Target_i386::Scan::global): Likewise.
9808	(Target_i386::Relocate::relocate_tls): Adjust GOT offset when
9809	using TLSDESC GOT.
9810	* x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
9811	(Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
9812	(Target_x86_64::got_tlsdesc_section): New function.
9813	(Target_x86_64::got_section): Create space for GOT entries for
9814	TLSDESC relocations.
9815	(Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
9816	R_386_TLS_GOTDESC.
9817	(Target_x86_64::Scan::global): Likewise.
9818	(Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
9819	using TLSDESC GOT.
9820
98212010-08-02  Ian Lance Taylor  <iant@google.com>
9822
9823	* testsuite/final_layout.sh: Use dc to convert from hex to
9824	decimal.
9825
98262010-07-29  Sriraman Tallam  <tmsriram@google.com>
9827
9828	* arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
9829	paramter to the call to gold::gc_process_relocs.
9830	* i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
9831	paramter to the call to gold::gc_process_relocs.
9832	* x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
9833	parameter to the call to gold::gc_process_relocs.
9834	* powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
9835	template parameter to the call to gold::gc_process_relocs.
9836	* sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
9837	paramter to the call to gold::gc_process_relocs.
9838	* gc.h (get_embedded_addend_size): New function.
9839	(gc_process_relocs): Save the size of the reloc for use by ICF.
9840	* icf.cc (get_section_contents): Get the addend from the text section
9841	for SHT_REL relocation sections.
9842	* icf.h (Icf::Reloc_addend_size_info): New typedef.
9843	(Icf::Reloc_info): Add new member reloc_addend_size_info.
9844	* int_encoding.h (read_from_pointer): New overloaded function.
9845	* testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
9846	* testsuite/icf_sht_rel_addend_test.sh: New file.
9847	* testsuite/icf_sht_rel_addend_test_1.cc: New file.
9848	* testsuite/icf_sht_rel_addend_test_2.cc: New file.
9849
98502010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9851
9852	* configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
9853	* Makefile.in: Regenerate.
9854	* testsuite/Makefile.in: Regenerate.
9855
98562010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
9857
9858	* testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
9859	* testsuite/debug_msg.cc: Likewise.
9860	* testsuite/odr_violation1.cc
9861	* testsuite/odr_violation2.cc
9862
98632010-07-21  Cary Coutant  <ccoutant@google.com>
9864
9865	* merge.h (Output_merge_string::Merged_string): Remove object, shndx,
9866	string, and length fields.
9867	(Output_merge_string::Merged_strings_list): New type.
9868	(Output_merge_string::Merged_strings_lists): New typedef.
9869	(Output_merge_string): Replace merged_strings_ with
9870	merged_strings_lists_.
9871	* merge.cc (Output_merge_string::do_add_input_section): Allocate new
9872	Merged_strings_list per input object and section.  Don't store pointer
9873	to the string.  Don't store length with each merged string entry.
9874	(Output_merge_string::finalize_merged_data): Loop over list of merged
9875	strings lists.  Recompute length of each merged string.
9876
98772010-07-15  Cary Coutant  <ccoutant@google.com>
9878
9879	* plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
9880	here.
9881
98822010-07-14  Ian Lance Taylor  <iant@google.com>
9883
9884	* descriptors.cc (Descriptors::open): Report correct name in error
9885	message.
9886
98872010-07-13  Doug Kwan  <dougkwan@google.com>
9888
9889	* arm.cc (Arm_input_section::Arm_input_section): For a
9890	SHT_ARM_EXIDX section, always keeps the input sections.
9891	(Arm_input_section::set_exidx_section_link): New method.
9892	(Arm_exidx_input_section::Arm_exidx_input_section): Initialize
9893	has_errors_ to false.
9894	(Arm_exidx_input_section::has_errors,
9895	Arm_exidx_input_section::set_has_errors): New methods.
9896	(Arm_exidx_input_section::has_errors_): New data member.
9897	(Arm_relobj::get_exidx_shndx_list): New method.
9898	(Arm_output_section::append_text_sections_to_list): Do not skip
9899	section without SHF_EXECINSTR.
9900	(Arm_output_section::fix_exidx_coverage): Skip input sections with
9901	errors.
9902	(Arm_relobj::make_exidx_input_section): Add new parameter for text
9903	section header.  Make error messages more verbose.  Check for
9904	a non-executable section linked to an EXIDX section.
9905	(Arm_relobj::do_read_symbols): Remove error checking, which has been
9906	moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
9907	check that there is no deferred EXIDX section if we exit early.
9908	Instead of not making an EXIDX section in case of an error, make one
9909	and set the has_errors flag of it.
9910	(Target_arm::do_finalize_sections): Fix up links of EXIDX sections
9911	in a relocatable link.
9912	(Target_arm::do_relax): Look for the EXIDX output section instead of
9913	assuming that it is called .ARM.exidx.
9914	(Target_arm::fix_exidx_coverage): Add a new parameter for input
9915	section list.  Do not check for SHF_EXECINSTR section flags but
9916	skip any input section with errors.
9917	* output.cc (Output_section::Output_section): Initialize
9918	always_keeps_input_sections_ to false.
9919	(Output_section::add_input_section): Check for
9920	always_keeps_input_sections_.
9921	*  output.h (Output_section::always_keeps_input_sections,
9922	Output_section::set_always_keeps_input_sections): New methods.
9923	(Output_section::always_keeps_input_sections): New data member.
9924
99252010-07-13  Rafael Espindola  <espindola@google.com>
9926
9927	* fileread.cc (try_extra_search_path, find_file): Move to Input_file.
9928	* fileread.h (Input_file): Add try_extra_search_path and find_file.
9929
99302010-07-13  Philip Herron  <herron.philip@googlemail.com>
9931	    Ian Lance Taylor  <iant@google.com>
9932
9933	* output.h (Output_section_lookup_maps::add_merge_section):
9934	Correct check of whether value was inserted.
9935	(Output_section_lookup_maps::add_merge_input_section): Likewise.
9936	(Output_section_lookup_maps::add_relaxed_input_section):
9937	Likewise.
9938	* arm.cc (Target_arm::got_section): Remove used local os.
9939	* i386.cc (Target_i386::got_section): Likewise.
9940	* x86_64.cc (Target_x86_64::got_section): Likewise.
9941	* sparc.cc (Target_sparc::got_section): Likewise.
9942	(Target_sparc::relocate): Remove unused local have_got_offset.
9943	* powerpc.cc (Target_powerpc::relocate): Likewise.
9944
99452010-07-13  Ian Lance Taylor  <iant@google.com>
9946
9947	* compressed_output.cc (zlib_decompress): Fix signature in
9948	!HAVE_ZLIB_H case.
9949
9950	* archive.cc (Archive::include_member): Unlock an external member
9951	of a thin archive.  Don't bother to delete an object we know is
9952	NULL.
9953
99542010-07-12  Cary Coutant  <ccoutant@google.com>
9955
9956	* compressed_output.cc (zlib_decompress): New function.
9957	(get_uncompressed_size): New function.
9958	(decompress_input_section): New function.
9959	* compressed_output.h (get_uncompressed_size): New function.
9960	(decompress_input_section): New function.
9961	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
9962	Handle compressed debug sections.
9963	* layout.cc (is_compressed_debug_section): New function.
9964	(Layout::output_section_name): Map compressed section names to
9965	canonical names.
9966	* layout.h (is_compressed_debug_section): New function.
9967	(is_debug_info_section): Recognize compressed debug sections.
9968	* merge.cc: Include compressed_output.h.
9969	(Output_merge_data::do_add_input_section): Handle compressed
9970	debug sections.
9971	(Output_merge_string::do_add_input_section): Handle compressed
9972	debug sections.
9973	* object.cc: Include compressed_output.h.
9974	(Sized_relobj::Sized_relobj): Initialize new data members.
9975	(build_compressed_section_map): New function.
9976	(Sized_relobj::do_read_symbols): Handle compressed debug sections.
9977	* object.h (Object::section_is_compressed): New method.
9978	(Object::do_section_is_compressed): New method.
9979	(Sized_relobj::Compressed_section_map): New type.
9980	(Sized_relobj::do_section_is_compressed): New method.
9981	(Sized_relobj::compressed_sections_): New data member.
9982	* output.cc (Output_section::add_input_section): Handle compressed
9983	debug sections.
9984	* reloc.cc: Include compressed_output.h.
9985	(Sized_relobj::write_sections): Handle compressed debug sections.
9986
99872010-07-08  Cary Coutant  <ccoutant@google.com>
9988
9989	* resolve.cc (Symbol_table::resolve): Remember whether undef was
9990	weak when resolving to a dynamic def.
9991	(Symbol_table::should_override): Add adjust_dyndef flag; set it
9992	for weak undef/dynamic def cases. Adjust callers.
9993	* symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
9994	undef_binding_weak_.
9995	(Symbol_table::sized_write_globals): Adjust symbol binding.
9996	(Symbol_table::sized_write_symbol): Add binding parameter.
9997	* symtab.h (Symbol::set_undef_binding): New method.
9998	(Symbol::is_undef_binding_weak): New method.
9999	(Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
10000	(Symbol_table::should_override): Add new parameter.
10001	(Symbol_table::sized_write_symbol): Add new parameter.
10002
10003	* testsuite/weak_undef_file1.cc: Add new test case.
10004	* testsuite/weak_undef_file2.cc: Fix header comment.
10005	* testsuite/weak_undef_test.cc: Add new test case.
10006
100072010-06-29  Doug Kwan  <dougkwan@google.com>
10008
10009	* arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
10010	Initialize USE_SYMBOL_.
10011	* arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
10012	definition.
10013	(Arm_reloc_property::uses_symbol_): New data member declaration.
10014	* arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
10015	uses symbol value and symbol is undefined but not weakly undefined.
10016
100172010-06-28  Rafael Espindola  <espindola@google.com>
10018
10019	* plugin.cc (Plugin::load): Use dlerror.
10020
100212010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
10022
10023	* symtab.cc (detect_odr_violations): When reporting an ODR
10024	violation, report an object where the symbol is defined.
10025
100262010-06-25  Doug Kwan  <dougkwan@google.com>
10027
10028	* arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
10029	(Target_arm::section_may_have_icf_unsafe_pointers): New method
10030	definition.
10031	(Target_arm::Scan::local_reloc_may_be_function_pointer,
10032	Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
10033	target hook to detect function points.
10034	(Target_arm::Scan::possible_function_pointer_reloc): New method.
10035	* icf.h (Icf::check_section_for_function_pointers): Change type of
10036	parameter SECTION_NAME to const reference to std::string.  Use
10037	target hook to determine if section may have unsafe pointers.
10038	* target.h (Target::section_may_have_icf_unsafe_pointers): New
10039	method definition.
10040
100412010-06-21  Rafael Espindola  <espindola@google.com>
10042
10043	* fileread.cc (Input_file::find_fie): New
10044	(Input_file::open): Use Input_file::find_fie.
10045	* fileread.h (Input_file::find_fie): New
10046	* plugin.cc (set_extra_library_path): New.
10047	(Plugin::load): Add set_extra_library_path to the transfer vector.
10048	(Plugin_manager::set_extra_library_path): New.
10049	(Plugin_manager::add_input_file): Use the extra search path if set.
10050	(set_extra_library_path(): New.
10051	* plugin.h (Plugin_manager): Add set_extra_library_path and
10052	extra_search_path_.
10053
100542010-06-19  Cary Coutant  <ccoutant@google.com>
10055
10056	* layout.cc (gdb_sections): Add .debug_types.
10057	(lines_only_debug_sections): Likewise.
10058
100592010-06-18  Rafael Espindola  <espindola@google.com>
10060
10061	* plugin.cc (add_input_file,add_input_library)
10062	(Plugin_manager::add_input_file): Make filename arguments const.
10063	* plugin.h (Plugin_manager::add_input_file): Make filename arguments
10064	const.
10065
100662010-06-16  Doug Kwan  <dougkwan@google.com>
10067
10068	* arm.cc (Target_arm::do_finalize_sections): Do not emit an
10069	.ARM.attributes section if we have not merged any input
10070	attributes sections.
10071
100722010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10073
10074	* arm.cc: Allow combining objects with no EABI version
10075	information.
10076
100772010-06-15  Rafael Espindola  <espindola@google.com>
10078
10079	* plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
10080
100812010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10082
10083	* fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
10084	(struct iovec): Correct !HAVE_READV definition.
10085
100862010-06-10  Cary Coutant  <ccoutant@google.com>
10087
10088	* object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
10089	(Sized_relobj::do_layout_deferred_sections): Do layout for deferred
10090	reloc sections.
10091	* object.h (Sized_relobj::deferred_layout_relocs_): New data member.
10092
10093	PR 11683
10094	* symtab.h (Symbol::is_placeholder): New member function.
10095	* target-reloc.h (relocate_section): Check for placeholder symbols.
10096
10097	* testsuite/Makefile.am (plugin_test_8): New test.
10098	(plugin_test_9): New test.
10099	* testsuite/Makefile.in: Regenerate.
10100
101012010-06-09  Nick Clifton  <nickc@redhat.com>
10102
10103	* yyscript.y (input_list_element): Allow strings prefixed with
10104	the '-' character.  Treat these as libraries.
10105	* script.cc (script_add_library): New function.  Adds a library
10106	specified by "-l<name>" found in an input script.
10107	* script-c.h: Add prototype for script_add_library.
10108
101092010-06-07  Doug Kwan  <dougkwan@google.com>
10110
10111	* arm.cc (Target_arm::do_relax): Reserve more space for stubs.
10112	Restrict stub-group size to be within long conditional branch
10113	range when working around cortex-A8 erratum.
10114
101152010-06-07  Damien Diederen  <dd@crosstwine.com>
10116
10117	* gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
10118	#ifdef typo.
10119
101202010-06-03  Sriraman Tallam  <tmsriram@google.com>
10121
10122	PR gold/11658
10123	* output.cc
10124	(Output_section::Input_section_sort_entry::compare_section_ordering):
10125	Change to return non-zero correctly.
10126	(Output_section::Input_section_sort_section_order_index_compare
10127	::operator()): Change to fix ambiguity in comparisons.
10128
101292010-06-01  Sriraman Tallam  <tmsriram@google.com>
10130
10131	* gold.h (is_wildcard_string): New function.
10132	* layout.cc (Layout::layout): Pass this pointer to add_input_section.
10133	(Layout::layout_eh_frame): Ditto.
10134	(Layout::find_section_order_index): New method.
10135	(Layout::read_layout_from_file): New method.
10136	* layout.h (Layout::find_section_order_index): New method.
10137	(Layout::read_layout_from_file): New method.
10138	(Layout::input_section_position_): New private member.
10139	(Layout::input_section_glob_): New private member.
10140	* main.cc (main): Call read_layout_from_file here.
10141	* options.h (--section-ordering-file): New option.
10142	* output.cc (Output_section::input_section_order_specified_): New
10143	member.
10144	(Output_section::Output_section): Initialize new member.
10145	(Output_section::add_input_section): Add new parameter.
10146	Keep input sections when --section-ordering-file is used.
10147	(Output_section::set_final_data_size): Sort input sections when
10148	section ordering file is specified.
10149	(Output_section::Input_section_sort_entry): Add new parameter.
10150	Check sorting type.
10151	(Output_section::Input_section_sort_entry::compare_section_ordering):
10152	New method.
10153	(Output_section::Input_section_sort_compare::operator()): Change to
10154	consider section_order_index.
10155	(Output_section::Input_section_sort_init_fini_compare::operator()):
10156	Change to consider section_order_index.
10157	(Output_section::Input_section_sort_section_order_index_compare
10158	::operator()): New method.
10159	(Output_section::sort_attached_input_sections): Change to sort
10160	according to section order when specified.
10161	(Output_section::add_input_section<32, true>): Add new parameter.
10162	(Output_section::add_input_section<64, true>): Add new parameter.
10163	(Output_section::add_input_section<32, false>): Add new parameter.
10164	(Output_section::add_input_section<64, false>): Add new parameter.
10165	* output.h (Output_section::add_input_section): Add new parameter.
10166	(Output_section::input_section_order_specified): New
10167	method.
10168	(Output_section::set_input_section_order_specified): New method.
10169	(Input_section::Input_section): Initialize section_order_index_.
10170	(Input_section::section_order_index): New method.
10171	(Input_section::set_section_order_index): New method.
10172	(Input_section::section_order_index_): New member.
10173	(Input_section::Input_section_sort_section_order_index_compare): New
10174	struct.
10175	(Output_section::input_section_order_specified_): New member.
10176	* script-sections.cc (is_wildcard_string): Delete and move modified
10177	method to gold.h.
10178	(Output_section_element_input::Output_section_element_input): Modify
10179	call to is_wildcard_string.
10180	(Output_section_element_input::Input_section_pattern
10181	::Input_section_pattern): Ditto.
10182	(Output_section_element_input::Output_section_element_input): Ditto.
10183	* testsuite/Makefile.am (final_layout): New test case.
10184	* testsuite/Makefile.in: Regenerate.
10185	* testsuite/final_layout.cc: New file.
10186	* testsuite/final_layout.sh: New file.
10187
101882010-06-01  Rafael Espindola  <espindola@google.com>
10189
10190	* plugin.cc (Plugin::load): Pass the output name to the plugin.
10191
101922010-06-01  Rafael Espindola  <espindola@google.com>
10193
10194	* plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
10195	visibility of symbols.
10196
101972010-05-27  Doug Kwan  <dougkwan@google.com>
10198
10199	* object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
10200	from start of output section instead of address for a local symbol
10201	in a merged or relaxed section when doing a relocatable link.
10202
102032010-05-26  Rafael Espindola  <espindola@google.com>
10204
10205	PR 11604
10206	* object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
10207	adding sections the garbage collector removed.
10208	* testsuite/Makefile.am: Add test.
10209	* testsuite/Makefile.in: Regenerate.
10210	* testsuite/plugin_test_7.sh: New.
10211	* testsuite/plugin_test_7_1.c: New.
10212	* testsuite/plugin_test_7_2.c: New.
10213
102142010-05-26  Rafael Espindola  <espindola@google.com>
10215
10216	* script-sections.cc (Output_section_definition::set_section_addresses):
10217	Check for --section-start.
10218
102192010-05-26  Doug Kwan  <dougkwan@google.com>
10220
10221	* arm.cc (Arm_scan_relocatable_relocs): New class.
10222	(Target_arm::relocate_special_relocatable): New method.
10223	(Arm_relocate_functions::arm_branch_common): Handle relocatable link.
10224	(Arm_relocate_functions::thumb_branch_common): Same.
10225	(Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
10226	instead of Default_scan_relocatable_relocs.
10227	* target-reloc.h (relocate_for_relocatable): Let target handle
10228	relocation strategy Relocatable_relocs::RELOC_SPECIAL.
10229	* target.h (Sized_target::relocate_special_relocatable): New method.
10230
102312010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10232
10233	* timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
10234
102352010-05-23  Doug Kwan  <dougkwan@google.com>
10236
10237	* arm.cc (Arm_input_section::do_output_offset): Use convert_types
10238	instead of a cast.
10239	(Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
10240	with a direct branch, not a conditional branch, to a stub.
10241	* merge.cc (Output_merge_base::record_input_section): New method
10242	defintion.
10243	(Output_merge_data::do_add_input_section): Record input section if
10244	keeps-input-sections flag is set.
10245	(Output_merge_string::do_add_input_section): Ditto.
10246	* merge.h (Output_merge_base::Output_merge_base): Initialize new data
10247	members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
10248	INPUT_SECTIONS_.
10249	(Output_merge_base::keeps_input_sections,
10250	Output_merge_base::set_keeps_input_sections,
10251	Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
10252	method definitions.
10253	(Output_merge_base::Input_sections): New type declaration.
10254	(Output_merge_base::input_sections_begin,
10255	Output_merge_base::input_sections_end,
10256	Output_merge_base::do_set_keeps_input_sections): New method definitions.
10257	(Output_merge_base::bool keeps_input_sections_,
10258	Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
10259	Output_merge_base::input_sections_): New data members.
10260	(Output_merge_data::do_set_keeps_input_sections): New method
10261	defintion.
10262	(Output_merge_string::do_set_keeps_input_sections): Ditto.
10263	* output.cc (Output_section::Input_section::relobj): Move method
10264	defintion from class declaration to here and handle merge sections.
10265	(Output_section::Input_section::shndx): Ditto.
10266	(Output_section::Output_section): Remove initializations of removed
10267	data members and initialize new data member LOOKUP_MAPS_.
10268	(Output_section::add_input_section): Set keeps-input-sections flag
10269	for a newly created merge output section as appropriate.  Adjust code
10270	to use Output_section_lookup_maps class.
10271	(Output_section::add_relaxed_input_section): Adjst code for lookup
10272	maps code refactoring.
10273	(Output_section::add_merge_input_section): Add a new parameter
10274	KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
10275	class.  If adding input section to a newly created merge output
10276	section fails, remove the new merge section.
10277	(Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
10278	Adjust code for use of the Output_section_lookup_maps class.
10279	(Output_section::find_merge_section): Ditto.
10280	(Output_section::build_lookup_maps): New method defintion.
10281	(Output_section::find_relaxed_input_section): Adjust code to use
10282	Output_section_lookup_maps class.
10283	(Output_section::get_input_sections): Export merge sections.  Adjust
10284	code to use Output_section_lookup_maps class.
10285	(Output_section:::add_script_input_section): Adjust code to use
10286	Output_section_lookup_maps class.  Update lookup maps for merge
10287	sections also.
10288	(Output_section::discard_states): Use Output_section_lookup_maps.
10289	(Output_section::restore_states): Same.
10290	* output.h (Merge_section_properties): Move class defintion out of
10291	Output_section.
10292	(Output_section_lookup_maps): New class.
10293	(Output_section::Input_section::is_merge_section): New method
10294	defintion.
10295	(Output_section::Input_section::relobj): Move defintion out of class
10296	defintion.  Declare method only.
10297	(Output_section::Input_section::shndx): Ditto.
10298	(Output_section::Input_section::output_merge_base): New method defintion.
10299	(Output_section::Input_section::u2_.pomb): New union field.
10300	(Output_section::Merge_section_by_properties_map,
10301	Output_section::Output_section_data_by_input_section_map,
10302	Output_section::Ouptut_relaxed_input_section_by_input_section_map):
10303	Remove types.
10304	(Output_section::add_merge_input_section): Add new parameter
10305	KEEPS_INPUT_SECTIONS.
10306	(Output_section::build_lookup_maps): New method declaration.
10307	(Output_section::merge_section_map_,
10308	Output_section::merge_section_by_properties_map_,
10309	Output_section::relaxed_input_section_map_,
10310	Output_section::is_relaxed_input_section_map_valid_): Remove data
10311	members.
10312	(Output_section::lookup_maps_): New data member.
10313
103142010-05-21  Doug Kwan  <dougkwan@google.com>
10315
10316	PR gold/11619
10317	* arm.cc (Arm_input_section::do_output_offset): Add a cast to
10318	avoid a compilation error.
10319
103202010-05-19  Rafael Espindola  <espindola@google.com>
10321
10322	* script-sections.cc (Output_section_definition::allocate_to_segment):
10323	Update the phdrs_list even when the output section is NULL.
10324	* testsuite/Makefile.am: Add test.
10325	* testsuite/Makefile.in: Regenerate.
10326	* testsuite/script_test_9.cc: New.
10327	* testsuite/script_test_9.sh: New.
10328	* testsuite/script_test_9.t: New.
10329
103302010-05-19  Doug Kwan  <dougkwan@google.com>
10331
10332	* arm.cc (Arm_input_section::original_size): New method.
10333	(Arm_input_section::do_addralign): Add a cast.
10334	(Arm_input_section::do_output_offset): Remove static cast.
10335	(Arm_input_section::original_addralign,
10336	 Arm_input_section::original_size_): Change type to uint32_t.
10337	(Arm_input_section::init): Add safe casts for section alignment
10338	and size.
10339	(Arm_input_section::set_final_data_size): Do not set address and
10340	offset of stub table.
10341	(Arm_output_section::fix_exidx_coverage): Change use of of
10342	Output_section::Simple_input_section to that of
10343	Output_section::Input_section.
10344	(Target_arm::do_relax): Set addresses and file offsets of Stub_tables
10345	except for the first pass.
10346	* output.cc (Output_section::get_input_sections): Change type of
10347	input_sections to std::list<Input_section>.
10348	(Output_section::add_script_input_section): Rename from
10349	Output_section::add_simple_input_section.  Change type of SIS
10350	parameter from Simple_input_section to Input_section.
10351	* output.h (Output_section::Simple_input_section): Remove class.
10352	(Output_section::Input_section): Change class visibility to public.
10353	(Output_section::Input_section::addralign): Use stored alignments
10354	for special input sections if set.
10355	(Output_section::Input_section::set_addralign): New method.
10356	(Output_section::get_input_sections): Change parameter type from
10357	list of Simple_input_section to list of Input_section.
10358	(Output_section::add_script_input_section): Rename from
10359	Output_section::add_simple_input_section. Change first parameter's
10360	type from Simple_input_section to Input_section and remove the
10361	second and third parameters.
10362	* script-sections.cc (Input_section::Input_section_list): Change
10363	type to list of Output_section::Input_section/
10364	(Input_section_info::Input_section_info): Change parameter type of
10365	INPUT_SECTION to Output_section::Input_section.
10366	(Input_section_info::input_section): Change return type.
10367	(Input_section_info::input_section_): Change type to
10368	Output_section::Input_section.
10369	(Output_section_element_input::set_section_addresses): Adjust code
10370	to use Output_section::Input_section instead of
10371	Output_section::Simple_input_section.  Adjust code for renaming
10372	of Output_section::add_simple_input_section.
10373	(Orphan_output_section::set_section_addresses): Ditto.
10374
103752010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10376
10377	* gold.h (Unordered_multimap, Unordered_map): Fix defines for
10378	when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
10379
103802010-05-18  Rafael Espindola  <espindola@google.com>
10381
10382	* options.cc (General_options::finalize): Handle -nostdlib.
10383	* options.h (nostdlib): New option.
10384	* script.cc (script_add_search_dir): Handle -nostdlib.
10385
103862010-05-12  Doug Kwan  <dougkwan@google.com>
10387
10388	* arm.cc (Target_arm::do_finalize_sections): Create an empty
10389	attributes section only if there no attributes section after merging.
10390	(Target_arm::merge_object_attributes): Move value of
10391	Tag_MPextension_use_legacy to that of Tag_MPextension_use.
10392	Handle Tag_DIV_use and Tag_MPextension_use_legacy.
10393	* testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
10394	(check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
10395	and arm_attr_merge_7.stdout.
10396	(arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
10397	arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
10398	arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
10399	arm_attr_merge_7b.o): New rules.
10400	(MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
10401	arm_attr_merge_7
10402	* testsuite/Makefile.in: Regenerate.
10403	* testsuite/arm_attr_merge.sh: New file.
10404	* testsuite/arm_attr_merge_[67][ab].s: Same.
10405
104062010-05-05  Nick Clifton  <nickc@redhat.com>
10407
10408	* po/es.po: Updated Spanish translation.
10409
104102010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
10411
10412	* Makefile.am (install-exec-local): Properly install gold as
10413	default cross linker.
10414	* Makefile.in: Regenerated.
10415
104162010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
10417	    Nick Clifton  <nickc@redhat.com>
10418
10419	* configure.ac (install_as_default): Define and set to false
10420	unless --enable-gold or --enable-gold=both/gold has been
10421	specified.
10422	* configure: Regenerate.
10423
10424	* Makefile.am (install-exec-local): Install the executable as
10425	'ld.gold'.  If install_as_default is true then also install it as
10426	'ld'.
10427	* Makefile.in: Regenerated.
10428
104292010-04-24  Ian Lance Taylor  <iant@google.com>
10430
10431	* layout.cc (Layout::layout_reloc): In relocatable link don't
10432	combine reloc sections for grouped sections.
10433
104342010-04-23  Sriraman Tallam  <tmsriram@google.com>
10435
10436	* gc.h (gc_process_relocs): Pass information on relocs pointing to
10437	sections that are not ordinary to icf.
10438	* icf.cc (get_section_contents): Handle relocation pointing to section
10439	with no object or shndx information.
10440	* testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
10441	* testsuite/Makefile.in: Regenerate.
10442	* testsuite/icf_virtual_function_folding_test.cc: Remove printf.
10443	* testsuite/icf_virtual_function_folding_test.sh: Delete file.
10444
104452010-04-22  Ian Lance Taylor  <iant@google.com>
10446
10447	* expression.cc (Expression::Expression_eval_info): Add
10448	result_alignment_pointer field.
10449	(Expression::eval_with_dot): Add result_alignment_pointer
10450	parameter.  Change all callers.
10451	(Expression::eval_maybe_dot): Likewise.
10452	(class Binary_expression): Add alignment_pointer parameter to
10453	left_value and right_value.  Change all callers.
10454	(BINARY_EXPRESSION): Set result alignment.
10455	(class Trinary_expression): Add alignment_pointer parameter to
10456	arg2_value and arg3_value.  Change all callers.
10457	(Trinary_cond::value): Set result alignment.
10458	(Max_expression::value, Min_expression::value): Likewise.
10459	(Align_expression::value): Likewise.
10460	* script-sections.cc (class Sections_element): Add dot_alignment
10461	parameter to set_section_addresses virtual function.  Update
10462	instantiations.
10463	(class Output_section_element): Likewise.
10464	(Script_sections::create_segments): Add dot_alignment parameter.
10465	Change all callers.
10466	(Script_sections::create_segments_from_phdrs_clause): Likewise.
10467	(Script_sections::set_phdrs_clause_addresses): Likewise.
10468	* script-sections.h: Update declarations.
10469	* script.h: Update declarations.
10470	* output.h (Output_segment::set_minimum_p_align): Don't decrease
10471	min_p_align.
10472	* testsuite/script_test_3.t: Set large alignment.
10473	* testsuite/script_test_3.sh: Make sure that at least one LOAD
10474	segment has expected alignment.
10475
104762010-04-22  Nick Clifton  <nickc@redhat.com>
10477
10478	* po/gold.pot: Updated by the Translation project.
10479	* po/vi.po: Updated Vietnamese translation.
10480
104812010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
10482
10483	* testsuite/Makefile.am (check_PROGRAMS): Add
10484	icf_virtual_function_folding_test.
10485	* testsuite/Makefile.in: Regenerated.
10486
104872010-04-15  Andrew Haley  <aph@redhat.com>
10488
10489	* options.h (merge_exidx_entries): New option.
10490	* arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
10491	(class Arm_exidx_fixup::merge_exidx_entries_): New member.
10492	(Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
10493	(Target_arm::merge_exidx_entries): New function.
10494	(process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
10495	(Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
10496	to Arm_exidx_fixup constructor.
10497	Add new arg, merge_exidx_entries.
10498	(Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
10499	Arm_output_section::fix_exidx_coverage.
10500
105012010-04-18  Sriraman Tallam  <tmsriram@google.com>
10502
10503	* icf.cc (get_section_contents): Check for preemptible functions.
10504	Ignore addend when appropriate.
10505	* symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
10506	section folded.
10507	(add_from_relobj): Check for section folded.
10508	(set_dynsym_indexes): Fix call to should_add_dynsym_entry.
10509	* symtab.h (should_add_dynsym_entry): Add new parameter.
10510	* target-reloc.h (scan_relocs): Check for section folded.
10511	* x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
10512	Check reloc types for function pointers in shared objects.
10513	* testsuite/Makefile.am (icf_virtual_function_folding_test): New test
10514	case.
10515	(icf_preemptible_functions_test): New test case.
10516	(icf_string_merge_test): New test case.
10517	* testsuite.Makefile.in: Regenerate.
10518	* testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
10519	bar_glob.  Refactor code.
10520	* testsuite/icf_preemptible_functions_test.cc: New file.
10521	* testsuite/icf_preemptible_functions_test.sh: New file.
10522	* testsuite/icf_string_merge_test.cc: New file.
10523	* testsuite/icf_string_merge_test.sh: New file.
10524	* testsuite/icf_virtual_function_folding_test.cc: New file.
10525	* testsuite/icf_virtual_function_folding_test.sh: New file.
10526
105272010-04-14  Doug Kwan  <dougkwan@google.com>
10528
10529	* arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
10530	for local symbol recounting if we remove a section due to ICF.
10531	* gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
10532	there are no regular objects in input.
10533
105342010-04-13  Doug Kwan  <dougkwan@google.com>
10535
10536	* arm.cc (Arm_input_section::set_final_data_size): Compute
10537	accurate final data size instead of using current data size.
10538
105392010-04-09  Doug Kwan  <dougkwan@google.com>
10540
10541	* layout.cc (Layout::choose_output_section): Handle script section
10542	types.
10543	(Layout::make_output_section_for_script): Add section type parameter.
10544	Handle script section types.
10545	* layout.h (Layout::make_output_section_for_script): Add section
10546	type parameter.
10547	* output.cc (Output_section::Output_section): Initialize data member
10548	is_noload_.
10549	(Output_section::do_reset_address_and_file_offset): Do not set address
10550	to 0 if section is a NOLOAD section.
10551	* output.h (Output_section::is_noload): New method.
10552	(Output_section::set_is_noload): Ditto.
10553	(Output_section::is_noload_): New data member.
10554	* script-c.h (Script_section_type): New enum type.
10555	(struct Parser_output_section_header): Add new file section_type.
10556	* script-sections.cc (Sections_element::output_section_name): Add
10557	parameter for returning script section type.
10558	(Output_section_definition::output_section_name): Ditto.
10559	(Output_section_definition::section_type)P; New method.
10560	(Output_section_definiton::script_section_type_name): Ditto.
10561	(Output_section_definition::script_section_type_): New data member.
10562	(Output_section_definition::Output_section_definition): Initialize
10563	data member Output_section_definition::script_section_type_.
10564	(Output_section_definition::create_sections): Pass script section type
10565	to Layout::make_output_section_for_script.
10566	(Output_section_definition::output_section_name): Return script
10567	section type to caller.
10568	(Output_section_definition::set_section_address): Do not advance
10569	dot value and load address if section type is NOLOAD.  Set address
10570	of NOLOAD sections regardless of section flags.
10571	(Output_section_definition::print): Print section type if it is
10572	not SCRIPT_SECTION_TYPE_NONE.
10573	(Output_section_definition::section_type): New method.
10574	(Output_section_definition::script_section_type_name): Ditto.
10575	(Script_sections::output_section_name): Add new parameter
10576	PSECTION_TYPE for returning script section type.  Pass it to
10577	section elements.  Handle discard sections.
10578	(Sort_output_sections::operator()): Handle NOLOAD sections.
10579	* script-sections.h (Script_sections::Section_type): New enum type.
10580	(Script_sections::output_section_name): Add a new parameter for
10581	returning script section type.
10582	* script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
10583	INFO and NOLOAD.
10584	* yyscript.y (union): Add new field SECTION_TYPE.
10585	(COPY, DSECT, INFO, NOLOAD): New tokens.
10586	(opt_address_and_section_type): Change type to output_section_header.
10587	(section_type): New non-terminal
10588	(section_header): Handle section type.
10589	(opt_address_and_section_type): Return section type value.
10590
105912010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
10592
10593	* testsuite/plugin_common_test_1.c (foo): Add prototype.
10594	* testsuite/plugin_common_test_2.c (foo): Likewise.
10595
105962010-04-08  Doug Kwan  <dougkwan@google.com>
10597
10598	* merge.cc (Output_merge_data::set_final_data_size): Handle empty
10599	Output_merge_data.
10600	* output.cc (Output_section::add_merge_input_section): Simplify
10601	code and return status of Output_merge_base::add_input_section.
10602	Update merge section map only if Output_merge_base::add_input_section
10603	returns true.
10604
106052010-04-07  Doug Kwan  <dougkwan@google.com>
10606
10607	* arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
10608	if section is marked as containing instructions but has no mapping
10609	symbols.
10610	(Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
10611	correct section index.
10612	(Arm_relobj::find_linked_text_section): Ditto.
10613
106142010-04-07  Cary Coutant  <ccoutant@google.com>
10615
10616	* archive.cc (include_member): Destroy Read_symbols_data object before
10617	releasing file.
10618	* object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
10619	* object.h (Read_symbols_data::Read_symbols_data) New constructor.
10620	(Read_symbols_data::~Read_symbols_data) New destructor.
10621	(Section_relocs::Section_relocs) New constructor.
10622	(Section_relocs::~Section_relocs) New destructor.
10623	(Read_relocs_data::Read_relocs_data) New constructor.
10624	(Read_relocs_data::~Read_relocs_data) New destructor.
10625	* testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
10626	pointers to NULL after deleting.
10627
106282010-04-07  Doug Kwan  <dougkwan@google.com>
10629
10630	* arm.cc: Replace "endianity" with "endianness" in comments.
10631	(Arm_exidx_cantunwind): Ditto.
10632	(Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
10633	(Arm_relobj::merge_flags_and_attributes): New method.
10634	(Arm_relobj::merge_flags_and_attributes_): New data member.
10635	(Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
10636	(Arm_relobj::scan_sections_for_stubs): Ditto.
10637	(Arm_relobj::do_read_symbols): Check to see if we really want to
10638	merge processor-specific flags and attributes.  Exit early if
10639	an object is empty except for section names and the undefined symbol.
10640	(Target_arm::do_finalize_sections): Move check for ELF format to
10641	Arm_relobj::do_read_symbols.  Merge processor specific flags and
10642	attributes from a regular object only when we have determined that
10643	it is aapropriate.  Do not create an .ARM.attributes section in
10644	output if there is no regular input object.
10645	(Target_arm::merge_processor_specific_flags): Check
10646	--warn-mismatch before printing any error.
10647	(Target_arm::merge_object_attributes): Ditto.
10648	* gold.cc (queue_middle_tasks): Handle the case in which there is
10649	no regular object in input.
10650	* options.cc (General_options::parse_EB): New method.
10651	(General_options::parse_EL): Same.
10652	(General_options::General_options): Initialize endianness_.
10653	* options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
10654	New options.
10655	(General_options::Endianness): New enum.
10656	(General_options::endianness): New method.
10657	(General_options::endianness_): New data member.
10658	* parameters.cc (Parameters::set_options): Check target endianness.
10659	(Parameters::set_target_once): Ditto.
10660	(Parameters::check_target_endianness): New method.
10661	(parameters_force_valid_target): If either -EL or -EB is specified,
10662	use it to define endianness of default target.
10663	* parameters.h (Parameters::check_target_endianness): New method
10664	declaration.
10665	* target.h (class Target): Change "endianity" to "endianness"
10666	in comments.
10667
106682010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10669
10670	* configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
10671	* configure: Regenerate.
10672	* Makefile.in: Regenerate.
10673	* testsuite/Makefile.in: Regenerate.
10674
106752010-04-06  Cary Coutant  <ccoutant@google.com>
10676
10677	gcc PR lto/42757
10678	* plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
10679	prevailing definitions of common symbols.
10680	* testsuite/plugin_test_6.sh: New test case.
10681	* testsuite/plugin_common_test_1.c: New test case.
10682	* testsuite/plugin_common_test_2.c: New test case.
10683	* testsuite/Makefile.am (plugin_test_6): New test case.
10684	* testsuite/Makefile.in: Regenerate.
10685
106862010-04-06  Nick Clifton  <nickc@redhat.com>
10687
10688	* po/vi.po: New Vietnamese translation.
10689
106902010-03-30  Doug Kwan  <dougkwan@google.com>
10691
10692	* arm.cc (Target_arm::using_thumb_only): Handle v6-M
10693
106942010-03-25  Doug Kwan  <dougkwan@google.com>
10695
10696	* arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
10697	to avoid a conversion warning on a 32-bit host.
10698
106992010-03-24  Ian Lance Taylor  <iant@google.com>
10700
10701	* testsuite/script_test_3.t: Add a TLS segment.
10702	* testsuite/Makefile.am (check_PROGRAMS): Add
10703	tls_phdrs_script_test.
10704	(tls_phdrs_script_test_SOURCES): Define.
10705	(tls_phdrs_script_test_DEPENDENCIES): Define.
10706	(tls_phdrs_script_test_LDFLAGS): Define.
10707	(tls_phdrs_script_test_LDADD): Define.
10708	* testsuite/Makefile.in: Rebuild.
10709
107102010-03-23  Cary Coutant  <ccoutant@google.com>
10711
10712	* fileread.cc (find_or_make_view): Fix comment.
10713
107142010-03-23  Ian Lance Taylor  <iant@google.com>
10715
10716	* script-sections.cc (class Orphan_section_placement): Define
10717	PLACE_TLS and PLACE_TLS_BSS.
10718	(Orphan_section_placement::Orphan_section_placement): Initialize
10719	new places.
10720	(Orphan_section_placement::find_place): Handle SHF_TLS sections.
10721	* testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
10722	(tls_script_test_SOURCES): Define.
10723	(tls_script_test_DEPENDENCIES): Define.
10724	(tls_script_test_LDFLAGS): Define.
10725	(tls_script_test_LDADD): Define.
10726	* testsuite/Makefile.in: Rebuild.
10727
107282010-03-22  Doug Kwan  <dougkwan@google.com>
10729
10730	* arm.cc (Arm_relocate_functions::abs8,
10731	Arm_relocate_functions::abs16): Use correct check for overflow
10732	specified in the ARM ELF specs.
10733	(Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
10734	target of a BLX instruction specially.
10735	(Reloc_stub::stub_type_for_reloc): Ditto.
10736	(Relocate::relocate): Use symbolic names instead of numeric relocation
10737	codes to report error.
10738	(Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
10739	workaround.
10740	* testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
10741	thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
10742	thumb2_blx_out_of_range.stdout
10743	(thumb_bl_out_of_range, thumb_bl_out_of_range.o,
10744	thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
10745	(thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
10746	thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
10747	thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
10748	thumb2_blx_in_range, thumb2_blx_in_range.o,
10749	thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
10750	thumb2_blx_out_of_range.o): New rules.
10751	(MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
10752	thumb2_blx_in_range and	thumb2_blx_out_of_range.
10753	* testsuite/Makefile.in: Regenerate.
10754	* arm_branch_in_range.sh: Add tests for THUMB BLX.
10755	* testsuite/thumb_blx_in_range.s: New file.
10756	* testsuite/thumb_blx_out_of_range.s: New file.
10757
107582010-03-22  Rafael Espindola  <espindola@google.com>
10759
10760	* archive.cc (Should_include): Move to archive.h.
10761	(should_include_member): Make it a member of Archive.
10762	(Lib_group): New.
10763	(Add_lib_group_symbols): New.
10764	* archive.h: Include options.h.
10765	(Archive_member): Moved from Archive.
10766	(Should_include): Moved from archive.cc.
10767	(Lib_group): New.
10768	(Add_lib_group_symbols): New.
10769	* dynobj.cc (do_should_include_member): New.
10770	* dynobj.h (do_should_include_member): New.
10771	* gold.cc (queue_initial_tasks): Update call to queue.
10772	* main.cc (main): Print lib group stats.
10773	* object.cc (do_should_include_member): New.
10774	* object.h: Include archive.h.
10775	(Object::should_include_member): New.
10776	(Object::do_should_include_member): New.
10777	(Sized_relobj::do_should_include_member): New.
10778	* options.cc (General_options::parse_start_lib): New.
10779	(General_options::parse_end_lib): New.
10780	(Input_arguments::add_file): Handle lib groups.
10781	(Input_arguments::start_group): Check we are not in a lib.
10782	(Input_arguments::start_lib): New.
10783	(Input_arguments::end_lib): New.
10784	* options.h (General_options): Add start_lib and end_lib.
10785	(Input_argument::lib_): New.
10786	(Input_argument::lib): New.
10787	(Input_argument::is_lib): New.
10788	(Input_file_lib): New.
10789	(Input_arguments::in_lib_): New.
10790	(Input_arguments::in_lib): New.
10791	(Input_arguments::start_lib): New.
10792	(Input_arguments::end_lib_): New.
10793	* plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
10794	in unused members as preempted.
10795	(Sized_pluginobj::do_should_include_member): New.
10796	* plugin.h (Sized_pluginobj::do_should_include_member): New.
10797	* readsyms.cc (Read_symbols::locks): If we are just reading a member,
10798	return the blocker.
10799	(Read_symbols::do_whole_lib_group): New.
10800	(Read_symbols::do_lib_group): New.
10801	(Read_symbols::do_read_symbols): Handle lib groups.
10802	(Read_symbols::get_name): Handle lib groups.
10803	* readsyms.h (Read_symbols): Add an archive member pointer.
10804	(Read_symbols::do_whole_lib_group): New.
10805	(Read_symbols::do_lib_group): New.
10806	(Read_symbols::member_): New.
10807	* script.cc (read_input_script): Update call to queue_soon.
10808
108092010-03-19  Doug Kwan  <dougkwan@google.com>
10810
10811	* arm.cc (Stub_table::Stub_table): Initialize new data members
10812	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
10813	(Stub_table::add_reloc_stub): Assign stub offset and update
10814	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
10815	(Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
10816	New data members.
10817	(Stub_table::update_data_size_and_addralign): Use
10818	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
10819	instead of going over all reloc stubs.
10820	(Stub_table::finalize_stubs): Do not assign reloc stub offsets.
10821	* stringpool.cc (Stringpool_template::Stringpool_template): Initialize
10822	Stringpool_template::offset_ to size of Stringpool_char.
10823	(Stringpool_template::new_key_offset): Remove code to initialize
10824	Stringpool_template::offset_.
10825	* stringpool.h (Stringpool_template::set_no_zero_null): Set
10826	Stringpool_template::offset_ to zero.
10827
108282010-03-15  Doug Kwan  <dougkwan@google.com>
10829
10830	* stringpool.cc (Stringpool_template::Stringpool_template): Initialize
10831	offset_.
10832	(Stringpool_template::new_key_offset): New method.
10833	(Stringpool_template::add_string): Assign offsets when adding new
10834	strings.
10835	(Stringpool_template::set_string_offsets): Do not set string offsets
10836	when not optimizing.
10837	* stringpool.h (Chunked_vector::Chunked_vector): Initialize data
10838	member size_.
10839	(Chunked_vector::clear): Clear size_.
10840	(Chunked_vector::reserve): Call reserve method of all Element_vectors.
10841	(Chunked_vector::size): Return size_.
10842	(Chunked_vector::push_back): Use size_ to find insert position.
10843	(Chunked_vector::size_): New data member.
10844	(Stringpool_template::set_no_zero_null): Assert string set is empty.
10845	(Stringpool_template::new_key_offset): New method declaration.
10846	(Stringpool_template::offset_): New data member.
10847
108482010-03-15   Rafael Espindola  <espindola@google.com>
10849
10850	* readsyms.cc (Read_symbols::do_read_symbols): Update calls to
10851	Add_symbols' constructor.
10852	* readsyms.h (Add_symbols): Remove the input_group member.
10853
108542010-03-10  Ian Lance Taylor  <iant@google.com>
10855
10856	* reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
10857	target to ask whether a reference to a symbol requires a stack
10858	split.
10859	* target.h (Target::is_call_to_non_split): New function.
10860	(Target::do_is_call_to_non_split): Declare virtual function.
10861	* target.cc: Include "symtab.h".
10862	(Target::do_is_call_to_non_split): New function.
10863	* i386.cc (Target_i386::do_is_call_to_non_split): New function.
10864
108652010-03-10  Cary Coutant  <ccoutant@google.com>
10866
10867	* fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
10868	(File_read::open[1]): Remove initial mapping of whole_file_view_.
10869	(File_read::open[2]): Add whole_file_view_ to list of views.
10870	(File_read::make_view): Remove test of whole_file_view_.
10871	(File_read::find_or_make_view): Create whole_file_view_ if
10872	necessary.
10873	(File_read::clear_views): Replace bool parameter with enum;
10874	adjust all callers.  Don't delete views with permanent data;
10875	do delete cached views and views from archives if
10876	--no-keep-files-mapped is set.  Set whole_file_view_ to NULL
10877	if clearing the corresponding view.
10878	* fileread.h (File_read::Clear_views_mode): New enum.
10879	(File_read::View::is_permanent_view): New method.
10880	(File_read::clear_views): Replace bool parameter
10881	with enum; adjust all callers.
10882	* options.h (General_options): Change keep_files_mapped option;
10883	add map_whole_files.
10884	* readsyms.cc (Add_symbols::run): Delete sd_ object before
10885	releasing the file.
10886	* reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
10887	the file.
10888
108892010-03-10  David S. Miller  <davem@davemloft.net>
10890
10891	* sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
10892
108932010-03-09  Sriraman Tallam  <tmsriram@google.com>
10894
10895	* icf.cc (get_section_contents): Add '@' marker after processing the
10896	merge reloc.
10897
108982010-03-08  Doug Kwan  <dougkwan@google.com>
10899
10900	* arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
10901	due to a conversion warning.
10902	(Arm_relobj::update_output_local_symbol_count): Check for local
10903	symbol with unset output index.
10904
109052010-03-05  Ian Lance Taylor  <iant@google.com>
10906
10907	* options.h (class General_options): Add --spare-dynamic-tags.
10908	* output.cc (Output_data_dynamic::set_final_data_size): Implement
10909	--spare-dynamic-tags.
10910
109112010-03-05  Ian Lance Taylor  <iant@google.com>
10912
10913	* incremental.cc: Include "libiberty.h".
10914
109152010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10916
10917	* dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
10918	function, is_info_ member.
10919	* dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
10920	(Versions::Versions): Update caller.
10921	(Versions::define_base_version): Likewise.
10922	(Versions::add_def): Likewise.
10923
109242010-03-03  Sriraman Tallam  <tmsriram@google.com>
10925
10926	* i386.cc (Target_i386::can_check_for_function_pointers): New function.
10927	(Scan::possible_function_pointer_reloc): New function.
10928	(Scan::local_reloc_may_be_function_pointer): Change to call
10929	possible_function_pointer_reloc.
10930	(Scan::global_reloc_may_be_function_pointer): Ditto.
10931	* icf.h (Icf::check_section_for_function_pointers): Change to reject
10932	relocations in ".data.rel.ro._ZTV" section.
10933	* testsuite/icf_safe_so_test.sh: Change to pass i386.
10934	* testsuite/icf_safe_so_test.cc: Ditto.
10935	* testsuite/icf_safe_test.cc: Ditto.
10936	* testsuite/icf_safe_test.sh: Ditto.
10937
109382010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10939	    Ian Lance Taylor  <iant@google.com>
10940
10941	* target-reloc.h (relocate_section): Check the symbol table index
10942	for -1U before setting the local symbol index.
10943	(scan_relocatable_relocs): If copying the relocation, record that
10944	the local symbol is required.
10945	* object.h (Symbol_value::is_output_symtab_index_set): New
10946	function.
10947	(Symbol_value::may_be_discarded_from_output_symtab): New
10948	function.
10949	(Symbol_value::has_output_symtab_entry): New function.
10950	(Symbol_value::needs_output_symtab_entry): Remove.
10951	(Symbol_value::output_symtab_index): Make sure the symbol index is
10952	set.
10953	(Symbol_value::set_output_symtab_index): Make sure the symbol
10954	index is not set.  Make sure the new index is valid.
10955	(Symbol_value::set_must_have_output_symtab_entry): New function.
10956	(Symbol_value::has_output_dynsym_entry): New function.
10957	(Symbol_value::set_output_dynsym_index): Make sure the new index
10958	is valid.
10959	(Sized_relobj::set_must_have_output_symtab_entry): New function.
10960	* object.cc (Sized_relobj::do_count_local_symbols): Only discard a
10961	local symbol if permitted.
10962	(Sized_relobj::do_finalize_local_symbols): Call
10963	is_output_symtab_index_set rather than needs_output_symtab_entry.
10964	(Sized_relobj::write_local_symbols): Call has_output_symtab_entry
10965	rather than needs_output_symtab_entry.  Call
10966	has_output_dynsym_entry rather than needs_output_dynsym_entry.
10967	* arm.cc (Arm_relobj::update_output_local_symbol_count): Call
10968	is_output_symtab_index_set rather than needs_output_symtab_entry.
10969	* testsuite/discard_locals_relocatable_test.c: New file.
10970	* testsuite/discard_locals_test.sh: Test -r.
10971	* testsuite/Makefile.am (check_DATA): Add
10972	discard_locals_relocatable_test1.syms,
10973	discard_local_relocatable_test2.syms.
10974	(MOSTLYCLEANFILES): Likewise.  Also add
10975	discard_locals_relocatable_test1.lout and
10976	discard_locals_relocatable_test2.out.
10977	(discard_locals_relocatable_test1.syms): New target.
10978	(discard_locals_relocatable_test.o): New target.
10979	(discard_locals_relocatable_test1.out): New target.
10980	(discard_locals_relocatable_test2.syms): New target.
10981	(discard_locals_relocatable_test2.out): New target.
10982	(various): Add missing ../ld-new dependencies.
10983	* testsuite/Makefile.in: Rebuild.
10984
109852010-03-03  Nick Clifton  <nickc@redhat.com>
10986
10987	* po/fi.po: New Finnish translation.
10988
109892010-03-01  Doug Kwan  <dougkwan@google.com>
10990
10991	* layout.cc (Layout::Layout): Force section types of .init_array*,
10992	.preinit_array* and .fini_array* sections.
10993	* output.cc (Output_section::Input_section_sort_entry::has_priority):
10994	Fix check of return value of std::string::find.().
10995	(Output_section::Input_section_sort_compare::operator()): Remove
10996	comment about .init_array.
10997	(Output_section::Input_section_sort_init_fini_compare::operator()):
10998	New method.
10999	(Output_section::sort_attached_input_sections): Handle .init_array
11000	and .fini_array specially.
11001	* output.h (Output_section::Inut_section_sort_compare): Update
11002	comment.
11003	(Output_section::Input_section_sort_init_fini_compare): New struct.
11004
110052010-02-26  Doug Kwan  <dougkwan@google.com>
11006
11007	* arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
11008	R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
11009	* testsuite/debug_msg.sh: Avoid matching source line number for
11010	use of global variable undef_int.
11011
110122010-02-26  Doug Kwan  <dougkwan@google.com>
11013
11014	* arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
11015	R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
11016	(Target_arm::scan_reloc_section_for_stubs): Instead of calling
11017	scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
11018	* options.cc (General_options::General_options): Initialize member
11019	fix_v4bx_.
11020	* testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
11021	(check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
11022	and rm_no_fix_v4bx.stdout
11023	(arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
11024	arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
11025	arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
11026	(MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
11027	and arm_no_fix_v4bx.
11028	* Makefile.in: Regenerate.
11029	* testsuite/arm_fix_v4bx.s: New file.
11030	* testsuite/arm_fix_v4bx.sh: Ditto.
11031
110322010-02-24  Doug Kwan  <dougkwan@google.com>
11033
11034	* arm.cc (Target_arm::got_section): Make the .got section the first
11035	non RELRO section in the data segment.
11036	* testsuite/script_test_5.sh: Fix match patterns to avoid matching
11037	suffixes of section names.
11038
110392010-02-24  Doug Kwan  <dougkwan@google.com>
11040
11041	* arm.cc (Target_arm::do_finalize_sections): Skip processor specific
11042	flags and attributes merging if an input file is a binary file.
11043	* fileread.cc (Input_file::open): Record format of original file.
11044	* fileread.h (Input_file::Format): New enum type.
11045	(Input_file::Input_file): Initialize data member format_.
11046	(Input_file::format): New method definition.
11047	(Input_file::format_):: New data member.
11048
110492010-02-24  Doug Kwan  <dougkwan@google.com>
11050
11051	* arm.cc (Arm_output_data_got): New class.
11052	(ARM_TCB_SIZE): New constant
11053	(Target_arm): Use Arm_output_data_got instead of Output_data_got.
11054	(Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
11055	If user uses a script with a SECTIONS clause, issue only a warning
11056	for a misplaced EXIDX input section.  Otherwise, issue an error.
11057	(Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
11058	garbage collection.
11059	(Target_arm::got_mode_index_entry): Handle static linking.
11060	(Target_arm::Scan::local): Ditto.
11061	(Target_arm::Scan::global): Ditto.
11062	(Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
11063	all incorrectly implemented relocations.
11064	(Target_arm::fix_exidx_coverage): Pass layout to
11065	Arm_output_section::fix_exidx_coverage.
11066	* layout.cc (Layout::section_name_mapping): Remove trailing dots
11067	from ".ARM.exidx." and ".ARM.extab.".
11068
110692010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11070
11071	* arm.cc (Target_arm::do_finalize_sections): Create attribute
11072	section if it does not already exist.
11073	* attributes.cc	(Attributes_section_data::Attributes_section_data):
11074	Don't crash if size is zero.
11075
110762010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11077	    Ian Lance Taylor  <iant@google.com>
11078
11079	* gold.cc (queue_middle_tasks): If no input files were opened,
11080	exit.
11081	* workqueue.h (Task_function::Task_function): Assert that there is
11082	a blocker.
11083
110842010-02-22  Doug Kwan  <dougkwan@google.com>
11085
11086	* gold-threads.h (Once::~Once): Explicitly define virtual destructor.
11087	* icf.cc (get_section_contents): Cast snprintf arguments to long long
11088	types to avoid warnings due to different uint64_t implementations
11089	on different hosts.
11090
110912010-02-21  Doug Kwan  <dougkwan@google.com>
11092
11093	* arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
11094	handling of the maximum backward branch offset.
11095	(Arm_relocate_functions::thumb_branch_common): Ditto.
11096	* testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
11097	(check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
11098	thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
11099	thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
11100	(arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
11101	arm_bl_out_of_range.stdout, arm_bl_out_of_range,
11102	arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
11103	thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
11104	thumb_bl_out_of_range thumb_bl_out_of_range.o,
11105	thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
11106	thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
11107	thumb2_bl_out_of_range.o): New rules.
11108	(MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
11109	thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
11110	thumb2_bl_out_of_range
11111	* testsuite/Makefile.in: Regenerate.
11112	* testsuite/arm_bl_in_range.s: New file.
11113	* testsuite/arm_bl_out_of_range.s: Ditto.
11114	* testsuite/arm_branch_in_range.sh: Ditto.
11115	* testsuite/arm_branch_range.t: Ditto.
11116	* testsuite/thumb2_branch_range.t: Ditto.
11117	* testsuite/thumb_bl_in_range.s: Ditto.
11118	* testsuite/thumb_bl_out_of_range.s: Ditto.
11119	* testsuite/thumb_branch_range.t: Ditto.
11120
111212010-02-20  Sriraman Tallam  <tmsriram@google.com>
11122
11123	* gc.h (gc_process_relocs): Change vectors to point to the new list.
11124	Add reloc offset information.
11125	* icf.cc (get_section_contents): Change iterators to point to the new
11126	vectors. Add reloc offset information to the contents.
11127	* icf.h (Icf::Sections_reachable_info): New typedef.
11128	(Icf::Sections_reachable_list): New typedef.
11129	(Icf::Offset_info): New typedef.
11130	(Icf::Reloc_info): New struct typedef.
11131	(Icf::Reloc_info_list): New typedef.
11132	(Icf::symbol_reloc_list): Delete method.
11133	(Icf::addend_reloc_list): Delete method.
11134	(Icf::section_reloc_list): Delete method.
11135	(Icf::reloc_info_list): New method.
11136	(Icf::reloc_info_list_): New member.
11137
111382010-02-19  Doug Kwan  <dougkwan@google.com>
11139
11140	* arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
11141	R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
11142	* arm.cc (Arm_relocation_functions): New forward declaration.
11143	(Target_arm::Target_arm): Initialize new data members
11144	got_mod_index_offset_ and tls_base_symbol_defined_.
11145	(Target_arm::Relocate::relocate_tls): New method.
11146	(Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
11147	 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
11148	New methods.
11149	(Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
11150	GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
11151	(Target_arm::got_mod_index_offset_,
11152	Target_arm::tls_base_symbol_defined_): New data members.
11153	(Target_arm::Scan::local, Target::Scan::global,
11154	Target_arm::Relocate::relocate): Handle 32-bit initial TLS
11155	relocations.
11156
111572010-02-18  Doug Kwan  <dougkwan@google.com>
11158
11159	* arm.cc (Arm_relobj::find_linked_text_section): New method.
11160	(Arm_relobj::make_exidx_input_section): Pass section index of linked
11161	text section as a parameter becuase some broken tools may not set
11162	the link in section header.
11163	(Target_arm::has_got_section): New method.
11164	(Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
11165	without any mapping symbol as data only.  Remove warning.
11166	(Arm_relobj::do_read_synbols): If an EXIDX input section has no
11167	link in its section header, try to discover the link by inspecting the
11168	REL31 relocation at the beginning of the section.
11169	(Target_arm::Scan::check_non_pic): Report name of offending relocation
11170	in error message.
11171	(Target_arm::Scan::global): Treat any reference to the symbol
11172	_GLOBAL_OFFSET_TABLE_ as a GOT access.
11173
111742010-02-12  Sriraman Tallam  <tmsriram@google.com>
11175
11176	* arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
11177	(Scan::global_reloc_may_be_function_pointer): New function.
11178	* sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
11179	(Scan::global_reloc_may_be_function_pointer): New function.
11180	* powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
11181	(Scan::global_reloc_may_be_function_pointer): New function.
11182	* i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
11183	(Scan::global_reloc_may_be_function_pointer): New function.
11184	* x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
11185	(Scan::global_reloc_may_be_function_pointer): New function.
11186	(Scan::possible_function_pointer_reloc): New function.
11187	(Target_x86_64::can_check_for_function_pointers): New function.
11188	* gc.h (gc_process_relocs): Scan relocation types to determine if
11189	function pointers were taken for targets that support it.
11190	* icf.cc (Icf::find_identical_sections): Include functions for
11191	folding in safe ICF whose pointer is not taken.
11192	* icf.h (Secn_fptr_taken_set): New typedef.
11193	(fptr_section_id_): New member.
11194	(section_has_function_pointers): New function.
11195	(set_section_has_function_pointers): New function.
11196	(check_section_for_function_pointers): New function.
11197	* options.h: Fix comment for safe ICF option.
11198	* target.h (can_check_for_function_pointers): New function.
11199	* testsuite/Makefile.am: Add icf_safe_so_test test case.
11200	Modify icf_safe_test for X86-64.
11201	* testsuite/Makefile.in: Regenerate.
11202	* testsuite/icf_safe_so_test.cc: New file.
11203	* testsuite/icf_safe_so_test.sh: New file.
11204	* testsuite/icf_safe_test.cc (kept_func_3): New function.
11205	(main): Change to take pointer to function kept_func_3.
11206	* testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
11207	folding is done correctly for X86-64.
11208
112092010-02-12  David S. Miller  <davem@davemloft.net>
11210
11211	* output.h (Output_reloc<SHT_REL>::Output_reloc): Add
11212	is_symbolless parameter.
11213	(Output_reloc<SHT_REL>::is_symbolless): New.
11214	(Output_reloc<SHT_REL>::is_symbolless_): New.
11215	(Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
11216	(Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
11217	(Output_reloc<SHT_RELA>::is_symbolless): New.
11218	(Output_data_reloc::add_global): Handle is_symbolless.
11219	(Output_data_reloc::add_global_relative): Likewise.
11220	(Output_data_reloc::add_local): Likewise.
11221	(Output_data_reloc::add_local_relative): Likewise.
11222	(Output_data_reloc::add_symbolless_global_addend): New.
11223	(Output_data_reloc::add_symbolless_local_addend): New.
11224	* output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
11225	is_symbolless.
11226	(Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
11227	instead of ->is_relative_
11228	(Output_reloc::write): Likewise.
11229	(Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
11230	(Output_reloc::write_rel): Simplify.
11231
11232	* sparc.cc (Target_sparc::Scan::local): Use
11233	->add_symbolless_local_addend as needed.
11234	(Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
11235	needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
11236	based upon relocation offset.
11237
112382010-02-11  Doug Kwan  <dougkwan@google.com>
11239
11240	* arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
11241	(Target_arm::Scan::global): Ditto.  Also remove a comment before the
11242	beginning of function.
11243	(Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
11244	and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
11245	parameter is_32bit in calls to should_apply_static_reloc.
11246	* testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
11247	(check_DATA): Add arm_abs_global.stdout.
11248	(arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
11249	arm_abs_global.stdout): New rules.
11250	(MOSTLLYCLEANFILES): Add arm_abs_global
11251	* Makefile.in: Regenerate.
11252	* testsuite/arm_abs_global.s: New file.
11253	* testsuite/arm_abs_global.sh: Ditto.
11254	* testsuite/arm_abs_lib.s: Ditto.
11255
112562010-02-11  Ian Lance Taylor  <iant@google.com>
11257
11258	* gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
11259	Read_relocs task.
11260	(queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
11261	Allocate_commons_task first.
11262	* reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
11263	task, rather than symtab_lock_.
11264	(Gc_process_relocs::~Gc_process_relocs): New function.
11265	(Gc_process_relocs::is_runnable): Check this_blocker_.
11266	(Gc_process_relocs::locks): Use next_blocker_ rather than
11267	blocker_.
11268	(Scan_relocs::~Scan_relocs): New function.
11269	(Scan_relocs::is_runnable): Check this_blocker_ rather than
11270	symtab_lock_.
11271	(Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
11272	next_blocker_.
11273	* reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
11274	fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
11275	constructor accordingly.
11276	(class Gc_process_relocs): Likewise.
11277	(class Scan_relocs): Likewise.
11278	* common.h (class Allocate_commons_task): Remove symtab_lock_
11279	field, and corresponding constructor parameter.
11280	* common.cc (Allocate_commons_tasK::is_runnable): Remove use of
11281	symtab_lock_.
11282	(Allocate_commons_task::locks): Likewise.
11283
112842010-02-11  Ian Lance Taylor  <iant@google.com>
11285
11286	* gold-threads.h (class Once): Define.
11287	(class Initialize_lock): Rewrite as child of Once.
11288	* gold-threads.cc (class Once_initialize): Define.
11289	(once_pointer_control): New static variable.
11290	(once_pointer, once_arg): New static variables.
11291	(c_run_once): New static function.
11292	(Once::Once, Once::run_once, Once::internal_run): New functions.
11293	(class Initialize_lock_once): Remove.
11294	(initialize_lock_control): Remove.
11295	(initialize_lock_pointer): Remove.
11296	(initialize_lock_once): Remove.
11297	(Initialize_lock::Initialize_lock): Move to gold-threads.h.
11298	(Initialize_lock::initialize): Rewrite.
11299	(Initialize_lock::do_run_once): New function.
11300	* archive.cc (Archive::interpret_header): Only clear name if it is
11301	not already empty.
11302	* fileread.cc: Include "gold-threads.h"
11303	(file_counts_lock): New static variable.
11304	(file_counts_initialize_lock): Likewise.
11305	(File_read::release): Only increment counts when using --stats.
11306	Use a lock around the increment.
11307	* parameters.cc (class Set_parameters_target_once): Define.
11308	(set_parameters_target_once): New static variable.
11309	(Parameters::Parameters): Move here from parameters.h.
11310	(Parameters::set_target): Rewrite.
11311	(Parameters::set_target_once): New function.
11312	(Parameters::clear_target): Move here and rewrite.
11313	* parameters.h (class Parameters): Update declarations.  Add
11314	set_parameters_target_once_ field.
11315	(Parameters::Parameters): Move to parameters.cc.
11316	(Parameters::clear_target): Likewise.
11317	* readsyms.cc (Read_symbols::do_group): Create a Start_group
11318	task.
11319	(Start_group::~Start_group): New function.
11320	(Start_group::is_runnable): New function.
11321	(Start_group::locks, Start_group::run): New functions.
11322	(Finish_group::run): Change saw_undefined to size_t.
11323	* readsyms.h (class Start_group): Define.
11324	(class Finish_group): Change saw_undefined_ field to size_t.
11325	(Finish_group::Finish_group): Remove saw_undefined and
11326	this_blocker parameters.  Change all callers.
11327	(Finish_group::set_saw_undefined): New function.
11328	(Finish_group::set_blocker): New function.
11329	* symtab.h (class Symbol_table): Change saw_undefined to return
11330	size_t.  Change saw_undefined_ field to size_t.
11331	* target-select.cc (Set_target_once::do_run_once): New function.
11332	(Target_selector::Target_selector): Initialize set_target_once_
11333	field.  Don't initialize lock_ and initialize_lock_ fields.
11334	(Target_selector::instantiate_target): Rewrite.
11335	(Target_selector::set_target): New function.
11336	* target-select.h (class Set_target_once): Define.
11337	(class Target_selector): Update declarations.  Make
11338	Set_target_once a friend.  Remove lock_ and initialize_lock_
11339	fields.  Add set_target_once_ field.
11340
113412010-02-10  Ian Lance Taylor  <iant@google.com>
11342
11343	* dirsearch.cc (Dirsearch::initialize): Add all blockers before
11344	queueing any tasks.
11345	* gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
11346	(queue_middle_tasks): Add all blockers before queueing any tasks.
11347	(queue_final_tasks): Likewise.
11348	* token.h (Task_token::add_blockers): New function.
11349	* object.h (Input_objects::number_of_relobjs): New function.
11350
113512010-02-10  Ian Lance Taylor  <iant@google.com>
11352
11353	* i386.cc (Relocate::relocate_tls): A local symbol is final if not
11354	shared, not if not position independent.
11355	* x86_64.cc (Relocate::relocate_tls): Likewise.
11356	* testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
11357	(tls_pie_pic_test): New target.
11358	* testsuite/Makefile.in: Rebuild.
11359
11360	* testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
11361	(tls_test_main_pie.o, tls_test_pie.o): New targets.
11362	(tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
11363	* testsuite/Makefile.in: Rebuild.
11364
113652010-02-09  David S. Miller  <davem@davemloft.net>
11366
11367	* sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
11368	R_SPARC_RELATIVE using ->add_local_relative().
11369	(Target_sparc::Scan::global): Likewise for ->add_global_relative().
11370
11371	* output.h (Output_data_dynamic::add_section_size): New method
11372	that takes two Output_data objects.
11373	(Output_data_dynamic::Dynamic_entry): Create storage for secondary
11374	entry param.  Handle it in initializers.
11375	* output.cc (Output_data_dynamic::Dynamic_entry::write): For
11376	DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
11377	* layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
11378	arg.
11379	* layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
11380	and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
11381	* arm.cc (Target_arm::do_finalize_sections): Update to pass false
11382	for dynrel_includes_plt.
11383	* i386.cc (Target_i386::do_finalize_sections): Likewise.
11384	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
11385	* sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
11386	before .rela.plt
11387	(Target_sparc::do_finalize_sections): Update to pass true for
11388	dynrel_includes_plt.
11389	* powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
11390	output before .rela.plt
11391	(Target_powerpc::do_finalize_sections): Update to pass true for
11392	dynrel_includes_plt when 32-bit.
11393
113942010-02-08  Doug Kwan  <dougkwan@google.com>
11395
11396	* arm.cc (Arm_relobj::simple_input_section_output_address): New
11397	method.
11398	(Arm_relobj::section_needs_cortex_a8_stub_scanning,
11399	Arm_relobj::scan_section_for_cortex_a8_stubs,
11400	Arm_relobj::do_relocation_section): Instead of calling
11401	Output_section::output_address, use faster
11402	Arm_relobj::simple_input_section_output_address.
11403
114042010-02-08  David S. Miller  <davem@davemloft.net>
11405
11406	* sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
11407	unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
11408	relocation helper function.
11409
11410	* sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
11411	just like R_SPARC_GOT{10,13,22}.
11412	(Target_sparc::Scan::local): Likewise.
11413	(Target_sparc::Relocate:relocate): Likewise.
11414
114152010-02-06  Ian Lance Taylor  <iant@google.com>
11416
11417	* configure.ac: Rewrite targetobjs duplicate removal code to use
11418	only shell constructs.
11419	* configure: Rebuild.
11420
114212010-02-05  Doug Kwan  <dougkwan@google.com>
11422
11423	PR 11247
11424	* arm.cc (Arm_relobj::section_is_scannable): New method.
11425	(Arm_relobj::section_needs_reloc_stub_scanning): Use it.
11426	(Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
11427
114282010-02-04  Doug Kwan  <dougkwan@google.com>
11429
11430	PR 11247
11431	* arm-reloc-property.cc (cstdio): Include.
11432	* configure.ac (targetobjs): Remove duplicates.
11433	* configure: Regenerate.
11434	* resolve.cc (Symbol_table::resolve): Explicit instantiate both
11435	big and little endian version for a given address size.
11436
114372010-02-03  Doug Kwan  <dougkwan@google.com>
11438
11439	* arm-reloc-property.cc
11440	(Arm_reloc_property_table::reloc_name_in_error_message): New method
11441	definition.
11442	* arm-reloc-property.h
11443	(Arm_reloc_property_table::get_implemented_static_reloc_property):
11444	New method definition.
11445	(Arm_reloc_property_table::reloc_name_in_error_message): New method
11446	declaration.
11447	* arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
11448	overflow to N.
11449	(GOT_PREL): Change implemented to Y.
11450	* arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
11451	(Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
11452	(Arm_relocate_functions::movw_abs_nc): Remove method.
11453	(Arm_relocate_functions::movt_abs): Ditto.
11454	(Arm_relocate_functions::thm_movw_abs_nc): Ditto.
11455	(Arm_relocate_functions::thm_movt_abs): Ditto.
11456	(Arm_relocate_functions::movw_rel_nc): Ditto.
11457	(Arm_relocate_functions::movw_rel): Ditto.
11458	(Arm_relocate_functions::movt_rel): Ditto.
11459	(Arm_relocate_functions:thm_movw_rel_nc): Ditto.
11460	(Arm_relocate_functions:thm_movw_rel): Ditto.
11461	(Arm_relocate_functions:thm_movt_rel): Ditto.
11462	(Arm_relocate_functions::movw, Arm_relocate_functions::movt,
11463	(Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
11464	New method definitions.
11465	(Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
11466	(Arm_relocation_functions::arm_grp_ldr): Ditto.
11467	(Arm_relocation_functions::arm_grp_ldrs): Ditto.
11468	(Arm_relocation_functions::arm_grp_ldc): Ditto.
11469	(Target_arm::Relocate::relocate): Check for non-static or
11470	unimplemented relocation code and exit early.  Change calls to
11471	Target_arm::reloc_uses_thumb_bit and
11472	Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
11473	instead.  Refactor code to handle similar relocations to increase
11474	code sharing.  Remove check for unsupported relocation code in switch
11475	statement.
11476	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
11477	relocation property table to find out size.  Change error message to
11478	print out the name of a relocation code instead of the numeric value.
11479	(Target_arm::scan_reloc_for_stub): Use relocation property table
11480	instead of calling Target_arm::reloc_uses_thumb_bit().
11481
114822010-02-02  Doug Kwan  <dougkwan@google.com>
11483
11484	* arm.cc (Target_arm::relocate_section): Do view adjustment for all
11485	types of relaxed input section.
11486
114872010-02-02  Doug Kwan  <dougkwan@google.com>
11488
11489	* Makefile.am (HFILES): Add arm-reloc-property.h.
11490	(DEFFILES): New.
11491	(TARGETSOURCES): Add arm-reloc-property.cc
11492	(ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
11493	(libgold_a_SOURCES): $(DEFFILES)
11494	* Makefile.in: Regenerate.
11495	* arm-reloc-property.cc: New file.
11496	* arm-reloc-property.h: New file.
11497	* arm-reloc.def: New file.
11498	* arm.cc: Update comments.
11499	(arm-reloc-property.h): New included header.
11500	(arm_reloc_property_table): New global variable.
11501	(Target_arm::do_select_as_default_target): New method definition.
11502	* configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
11503	arm-reloc-property to targ_extra_obj.
11504	* parameters.cc (set_parameters_target): Call
11505	Target::select_as_default_target().
11506	* target.h (Target::select_as_default_target): New method definition.
11507	(Target::do_select_as_default_target): Same.
11508
115092010-02-01  Doug Kwan  <dougkwan@google.com>
11510
11511	* arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
11512	first_output_text_section_.
11513	(Arm_exidx_fixup::first_output_text_section): New method definition.
11514	(Arm_exidx_fixup::first_output_text_section_): New data member.
11515	(Arm_exidx_fixup::process_exidx_section): Record the first text
11516	output section seen.
11517	(Arm_output_section::fix_exidx_coverage): Set correct linked section
11518	and entsize in output section header.
11519
115202010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11521
11522	* arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
11523	R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
11524	(Arm_relocate_functions::thm_alu11): New Method.
11525	(Arm_relocate_functions::thm_pc8): New Method.
11526	(Arm_relocate_functions::thm_pc12): New Method.
11527	(Target_arm::Scan::local): Handle the relocations.
11528	(Target_arm::Scan::global): Likewise.
11529	(Target_arm::Relocate::relocate): Likewise.
11530	(Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
11531
115322010-01-29  Doug Kwan  <dougkwan@google.com>
11533
11534	* arm.cc (Target_arm::Scan::global): General PLTs for the same set
11535	of relocation types as ld.
11536
115372010-01-29  Doug Kwan  <dougkwan@google.com>
11538
11539	* arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
11540	to public.
11541	(Arm_relocate_functions::thumb_branch_common): Ditto.
11542	(Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
11543	Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
11544	Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
11545	Arm_relocate_functions::jump24): Remove.
11546	(Target_arm::Relocate::relocate): Adjust code to call
11547	Arm_relocation_functions::arm_branch_common and
11548	Arm_relocation_functions::thumb_branch_common instead of their removed
11549	wrappers.  Merge switch-cases together to reduce source code size.
11550
115512010-01-29  Doug Kwan  <dougkwan@google.com>
11552
11553	* arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
11554	output_local_symbol_count_needs_update_.
11555	(Arm_relobj::output_local_symbol_count_needs_update,
11556	 Arm_relobj::set_output_local_symbol_count_needs_update,
11557	 Arm_relobj::update_output_local_symbol_count): New methods.
11558	(Arm_relobj::output_local_symbol_count_needs_update_): New data
11559	member.
11560	(Arm_exidx_cantunwind::do_fixed_endian_write): Write address
11561	of pointed function as in a R_ARM_PREL31 relocation.
11562	(Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
11563	for output local symbol count updating.
11564	(Target_arm::do_relax): Update output local symbol counts in objects
11565	if necessary.
11566	* object.h (Sized_relobj::set_output_local_symbol_count): New method.
11567
115682010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11569
11570	* arm.cc: Added support for the ARM relocations:
11571	R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
11572	R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
11573	(Arm_relocate_functions::movw_rel_nc): Renamed (was
11574	movw_prel_nc).
11575	(Arm_relocate_functions::movw_rel): New method.
11576	(Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
11577	(Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
11578	thm_movw_prel_nc).
11579	(Arm_relocate_functions::thm_movw_rel): New method.
11580	(Arm_relocate_functions::thm_movt_rel): Renamed (was
11581	thm_movt_prel).
11582	(Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
11583	relocations.
11584	(Target_arm::Scan::global): Likewise.
11585	(Target_arm::Relocate::relocate): Likewise.
11586	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
11587	Likewise.
11588
115892010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11590
11591	* arm.cc: Added support for ARM group relocations.
11592	(Target_arm::reloc_needs_sym_origin): New method.
11593	(Arm_relocate_functions::calc_grp_kn): New method.
11594	(Arm_relocate_functions::calc_grp_residual): New method.
11595	(Arm_relocate_functions::calc_grp_gn): New method.
11596	(Arm_relocate_functions::arm_grp_alu): New Method.
11597	(Arm_relocate_functions::arm_grp_ldr): New Method.
11598	(Arm_relocate_functions::arm_grp_ldrs): New Method.
11599	(Arm_relocate_functions::arm_grp_ldc): New Method.
11600	(Target_arm::Scan::local): Handle the ARM group relocations.
11601	(Target_arm::Scan::global): Likewise.
11602	(Target_arm::Relocate::relocate): Likewise.
11603	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
11604	Likewise.
11605
116062010-01-26  Doug Kwan  <dougkwan@google.com>
11607
11608	* arm.cc (set): Include.
11609	(class Arm_exidx_fixup): Change type of last_input_section_ to const
11610	pointer type.
11611	(Arm_output_section::Text_section_list): New type.
11612	(Arm_output_section::append_text_sections_to_list): New method.
11613	(Arm_output_section::fix_exidx_coverage): Ditto.
11614	(Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
11615	(Arm_relobj::convert_input_section_to_relaxed_section): Use
11616	Relobj::set_section_offset() instead of
11617	Sized_relobj::invalidate_section_offset().
11618	(Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
11619	parameter for section headers. Ignore relocation sections for
11620	unallocated sections and EXIDX sections.
11621	(Target_arm::fix_exidx_coverage): New method.
11622	(Target_arm::output_section_address_less_than): New type.
11623	(Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
11624	linked text section instead of the EXIDX section.
11625	(Arm_output_section::create_stub_group): Add an assertion to check
11626	that this is not an EXIDX output section.
11627	(Arm_output_section::append_text_sections_to_list): New method.
11628	(Arm_output_section::fix_exidx_coverage): Ditto.
11629	(Arm_relobj::scan_sections_for_stubs): Adjust call to
11630	Arm_relobj::section_needs_reloc_stub_scanning.
11631	(Target_arm::do_relax): Fix EXIDX output section coverage in the
11632	first pass.
11633	(Target_arm::fix_exidx_coverage): New method.
11634	* object.h (Relobj::set_output_section): New method.
11635	(Sized_relobj::invalidate_section_offset): Remove method.
11636	(Sized_relobj::do_invalidate_section_offset): Remove method.
11637	(Sized_relobj::do_set_section_offset): Handle offset value -1.
11638
116392010-01-25  Doug Kwan  <dougkwan@google.com>
11640
11641	* arm.cc (Arm_exidx_merged_section::do_output_offset):
11642	Fix warning due to signed and unsigned comparison on a 32-bit host.
11643
116442010-01-22  Doug Kwan  <dougkwan@google.com>
11645
11646	* arm.cc (Target_arm::do_relax): Record an output section for section
11647	offset adjustment it contains any stub table that has changed.
11648	* layout.cc (Layout::clean_up_after_relaxation): Adjust section
11649	offsets in an output section if necessary.
11650	* output.cc (Output_section::Output_section): Initialize
11651	section_offsets_need_adjustments_.
11652	(Output_section::add_input_section_for_script): Renamed to
11653	Output_section::add_simple_input_section.
11654	(Output_section::save_states): Add a comment.
11655	(Output_section::discard_states): New method defintion.
11656	(Output_section::adjust_section_offsets): Same.
11657	* output.h (Output_section::add_input_section_for_script): Renamed to
11658	Output_section::add_simple_input_section.
11659	(Output_section::discard_states): New method declaration.
11660	(Output_section::adjust_section_offsets): Same.
11661	(Output_section::section_offsets_need_adjustment,
11662	Output_section::set_section_offsets_need_adjustment): New method
11663	definitions.
11664	(Output_section::section_offsets_need_adjustment_): New data member.
11665	* script-sections.cc
11666	(Output_section_element_input::set_section_address): Adjust code for
11667	renaming of Output_section::add_input_section_for_script.
11668	(Orphan_output_section::set_section_address): Same.
11669
116702010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11671
11672	* arm.cc (Target_arm): Updated fix_v4bx method and usage of
11673	Fix_v4bx enum values .
11674	* options.h (General_options): New option definitions.
11675	(General_options::fix_v4bx): New method.
11676	(General_options::Fix_v4bx): New enum.
11677	* options.cc (General_options::parse_fix_v4bx): New method.
11678	(General_options::parse_fix_v4bx_interworking): New method.
11679
116802010-01-22  Doug Kwan  <dougkwan@google.com>
11681
11682	* arm.cc (Arm_exidx_fixup): New class.
11683
116842010-01-21  Doug Kwan  <dougkwan@google.com>
11685
11686	* arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
11687	classes.
11688	(Arm_exidx_section_offset_map): New type.
11689
116902010-01-21  Doug Kwan  <dougkwan@google.com>
11691
11692	* arm.cc (Arm_exidx_input_section): New class.
11693	(Arm_relobj::exidx_input_section_by_link,
11694	Arm_relobj::exidx_input_section_by_shndx,
11695	Arm_relobj::make_exidx_input_section): New methods.
11696	(read_arm_attributes_section): Remove.
11697	(Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
11698	information about them.
11699	(Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
11700	to here.
11701
117022010-01-20  Doug Kwan  <dougkwan@google.com>
11703
11704	* arm.cc (Target_arm::Arm_input_section_map): Change key type from
11705	Input_section_specifier to Section_id.
11706	(Target_arm::new_arm_input_section: Adjust code for change of key
11707	type.
11708	(Target_arm::find_arm_input_section): Ditto.
11709	* gc.h (object.h): Include for Section_id nand Section_id_hash.
11710	(Section_id): Remove.
11711	(Garbage_collection::Section_id_hash): Remove.
11712	* icf.h (object.h): Include for Section_id nand Section_id_hash.
11713	(Section_id): Remove.
11714	(Icf::Section_id_hash): Remove.
11715	* object.h (Section_id, Const_section_id, Section_id_hash,
11716	Const_section_id_hash): New type definitions.
11717	* output.cc (Output_section::add_relaxed_input_section): Change to
11718	use Const_section_id instead of Input_section_specifier as key type.
11719	(Output_section::add_merge_input_section): Ditto.
11720	(Output_section::build_relaxation_map): Change to use Section_id
11721	instead of Input_section_specifier as key type.
11722	(Output_section::convert_input_sections_in_list_to_relaxed_sections):
11723	Ditto.
11724	(Output_section::convert_input_sections_to_relaxed_sections): Change
11725	to use Const_section_id instead of Input_section_specifier as key type.
11726	(Output_section::find_merge_section): Ditto.
11727	(Output_section::find_relaxed_input_section): Ditto.
11728	* output.h (Input_section_specifier): Remove class.
11729	(Output_section::Output_section_data_by_input_section_map): Change
11730	key type to Const_section_id.
11731	(Output_section::Output_relaxed_input_section_by_input_section_map):
11732	Ditto.
11733	(Output_section::Relaxation_map): Change key type to Section_id.
11734
117352010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11736
11737	* arm.cc: Added support for R_ARM_V4BX relocation
11738	(class Arm_v4bx_stub): New class.
11739	(DEF_STUBS): Updated definition to support v4_veneer_bx.
11740	(Stub_factory::make_arm_v4bx_stub): New method.
11741	(Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
11742	(Stub_table::empty): Handle v4bx stubs.
11743	(Stub_table::add_arm_v4bx_stub): New method.
11744	(Stub_table::find_arm_v4bx_stub): New method.
11745	(Arm_relocate_functions::v4bx): New method.
11746	(Target_arm::fix_v4bx): New method.
11747	(Target_arm::Target_arm): Handle R_ARM_V4BX.
11748	(Stub_table::relocate_stubs): Likewise.
11749	(Stub_table::do_write): Likewise.
11750	(Stub_table::update_data_size_and_addralign): Likewise.
11751	(Stub_table::finalize_stubs):  Likewise.
11752	(Target_arm::Scan::local): Likewise.
11753	(Target_arm::Scan::global): Likewise.
11754	(Target_arm::do_finalize_sections): Likewise.
11755	(Target_arm::Relocate::relocate): Likewise.
11756	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
11757	Likewise.
11758	(Target_arm::scan_reloc_for_stub): Likewise.
11759	(Target_arm::scan_reloc_section_for_stubs): Likewise.
11760
117612010-01-19  Ian Lance Taylor  <iant@google.com>
11762
11763	* output.cc (Output_section_headers::do_sized_write): Write large
11764	segment count to sh_info field.
11765	(Output_file_header::do_sized_write): For large segment count,
11766	write PN_XNUM to e_phnum field.
11767
117682010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11769
11770	* arm.cc (Arm_relocate_functions::thm_jump6): New function.
11771	(Arm_relocate_functions::thm_jump8): New function.
11772	(Arm_relocate_functions::thm_jump11): New function.
11773	(Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
11774	R_ARM_THM_JUMP11.
11775	(Target_arm::Scan::global): Likewise.
11776	(Target_arm::Relocate::relocate): Likewise.
11777	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
11778	Likewise.
11779
117802010-01-14  Doug Kwan  <dougkwan@google.com>
11781
11782	* arm.cc (map, utility): Include headers.
11783	(Target_arm::apply_cortex_a8_workaround): New method.
11784	(Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
11785	(Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
11786	(Target_arm::Scan::global): R_ARM_THM_JUMP19.
11787	(Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
11788	the --[no-]fix-cortex-a8 command line options.
11789	(Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
11790	(Target_arm::relocate_stub): Use addend in instruction template.
11791	* options.h (DEFINE_bool): Set the user-set flag.
11792	(General_options): Add --[no-]-fix-cortex options.
11793	* output.cc (Output_section::convert_input_sections_to_relaxed_sections)
11794	: Update fast look-up map after conversion.
11795
117962010-01-14  Sriraman Tallam  <tmsriram@google.com>
11797
11798	* object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
11799	in the first pass of do_layout.
11800
118012010-01-13  Doug Kwan  <dougkwan@google.com>
11802
11803	* arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
11804	Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
11805	apparent compiler problem of not folding static constant integral
11806	data members of elfcpp::Elf_sizes<32>.
11807
118082010-01-13  Doug Kwan  <dougkwan@google.com>
11809
11810	* arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
11811	Arm_relobj::section_needs_cortex_a8_stub_scanning,
11812	Arm_relobj::scan_section_for_cortex_a8_erratum,
11813	Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
11814	(Arm_relobj::scan_sections_for_stubs): Move code deciding what
11815	sections to scan for relocation stubs into a new method
11816	Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
11817	relocation and Cortex-A8 stub scanning.
11818	(Target_arm::do_relax): Force stubs to be after stubbed sections
11819	if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
11820	the beginning of a new relaxation pass.  Update a comment.
11821	(Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
11822
118232010-01-12  Ian Lance Taylor  <iant@google.com>
11824
11825	* target-reloc.h (visibility_error): New inline function.
11826	(relocate_section): Call visibility_error.
11827	* testsuite/Makefile.am (check_DATA): Add protected_3.err.
11828	(MOSTLYCLEANFILES): Likewise.
11829	(protected_4_pic.o, protected_3.err): New targets.
11830	* testsuite/protected_4.cc: New file.
11831
118322010-01-12  Doug Kwan  <dougkwan@google.com>
11833
11834	* arm.cc (Cortex_a8_reloc): New class.
11835	(Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
11836	and cortex_a8_relocs_info_.
11837	(Target_arm::fix_cortex_a8): New method definition.
11838	(Target_arm::Cortex_a8_relocs_info): New type.
11839	(Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
11840	New data member declarations.
11841	(Target_arm::scan_reloc_for_stub): Record information about
11842	relocations for THUMB branches that might be exempted from the
11843	Cortex-A8 workaround.
11844	(Target_arm::do_relax): Clear all Cortex-A8 relocation information
11845	at the beginning of a relaxation pass.
11846
118472010-01-12  Doug Kwan  <dougkwan@google.com>
11848
11849	* arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
11850	(Arm_relobj::Mapping_symbol_position,
11851	 Arm_reloj::Mapping_symbol_position_less,
11852	 Arm_relobj::Mapping_symbols_info): New types.
11853	(Target_arm::is_mapping_symbol_name): New method definition.
11854	(Arm_relobj::do_count_local_symbols): Save information about mapping
11855	symbols.
11856
118572010-01-11  Doug Kwan  <dougkwan@google.com>
11858
11859	* arm.cc (Arm_relocate_functions::thumb32_branch_offset,
11860	Arm_relocate_functions::thumb32_branch_upper,
11861	Arm_relocate_functions::thumb32_branch_lower,
11862	Arm_relocate_functions::thumb32_cond_branch_offset,
11863	Arm_relocate_functions::thumb32_cond_branch_upper,
11864	Arm_relocate_functions::thumb32_cond_branch_lower,
11865	Arm_relocate_functions::thm_jump19): New methods to handle THUMB
11866	branch offset encoding.
11867	(Arm_relocate_functions::thumb_branch_common): Use new branch
11868	offset encoding methods to avoid code duplication.
11869	(Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
11870	(Stub_addend_reader::operator()): Use new branch encoding method
11871	to avoid code duplication.
11872
118732010-01-11  Doug Kwan  <dougkwan@google.com>
11874
11875	* arm.cc (Arm_relobj::do_gc_process_relocs): New method.
11876	(Target_arm::do_finalize_sections): Define special EXIDX section
11877	symbols only if referenced.
11878	* gc.h (Garbage_collection::add_reference): New method.
11879	(gc_process_relocs): Use Garbage_collection::add_reference to avoid
11880	code duplication.
11881
118822010-01-11  Ian Lance Taylor  <iant@google.com>
11883
11884	* script.cc (Version_script_info::build_expression_list_lookup):
11885	Change complaing about duplicate wildcard match from error to
11886	warning.
11887
11888	* script.cc (class Lazy_demangler): Recreate--revert part of patch
11889	of 2009-12-30.
11890	(Version_script_info::Version_script_info): Initialize globs_,
11891	default_version_, default_is_global_, and exact_.  Don't
11892	initialize globals_ or locals_.
11893	(Version_script_info::build_lookup_tables): Build local symbols
11894	first.
11895	(Version_script_info::unquote): New function.
11896	(Version_script_info::add_exact_match): New function.
11897	(Version_script_info::build_expression_list_lookup): Remove lookup
11898	parameter.  Add is_global parameter.  Change all callers.  Handle
11899	wildcard pattern specially.  Unquote pattern.  Call
11900	add_exact_match.
11901	(Version_script_info::get_name_to_match): New function.
11902	(Version_script_info::get_symbol_version): New function.
11903	(Version_script_info::get_symbol_version_helper): Remove.
11904	(Version_script_info::check_unmatched_names): Call unquote.
11905	* script.h (class Version_script_info): Change get_symbol_version
11906	to be non-inline and add is_global parameter; change all callers.
11907	Rewrite symbol_is_local.  Update declarations.  Define struct
11908	Version_tree_match, Exact, Globs.  Don't define struct Lookup.
11909	Remove globals_ and locals_ members.  Add exact_, globs_,
11910	default_version_, is_global_.
11911	(Version_script_info::Glob): Remove pattern, add expression and
11912	is_global.  Update constructor.  Change all callers.
11913	* dynobj.cc (Versions::finalize): Mark the version symbol as the
11914	default version.
11915	(Versions::symbol_section_contents): If a symbol is undefined, or
11916	defined in a dynamic object, set the version index to
11917	VER_NDX_LOCAL.
11918	* symtab.cc (Symbol_table::add_from_relobj): Don't call
11919	symbol_is_local.
11920	(Symbol_table::add_from_pluginobj): Likewise.
11921	* testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
11922
119232010-01-11  Doug Kwan  <dougkwan@google.com>
11924
11925	* Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
11926	(incremental_dump_LDADD): Add linking option for libintl.
11927	* Makefile.in: Regenerate.
11928
119292010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
11930
11931	PR gold/11144
11932	* testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
11933	instead of -Ds.
11934	* testsuite/Makefile.in: Regenerated.
11935
119362010-01-10  Doug Kwan  <dougkwan@google.com>
11937
11938	* options.h (DEFINE_var): Use parentheses around argument varname__
11939	in macro body to avoid any unintended subsequent substitutions.
11940
119412010-01-10  Ian Lance Taylor  <iant@google.com>
11942
11943	* resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
11944	candidates before doing symbol resolution.
11945
11946	* resolve.cc (Symbol_table::resolve): Add symbols to the list of
11947	ODR candidates if only one is weak.
11948
119492010-01-08  Ian Lance Taylor  <iant@google.com>
11950
11951	* script.cc (Version_script_info::build_expression_list_lookup):
11952	Don't warn about ambiguous version, just record the ambiguity.
11953	(Version_script_info::get_symbol_version_helper): Give error if
11954	version is ambiguous.
11955
119562010-01-08  Doug Kwan  <dougkwan@google.com>
11957
11958	* arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
11959	prev_data_size_ and prev_addralign_.  Remove initializer for
11960	deleted data member has_been_changed_.
11961	(Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
11962	to determine if the table is empty.
11963	(Stub_table::has_been_changed, Stub_table_set_has_been_changed):
11964	Remove.
11965	(Stub_table::add_reloc_stub): Define method in class definition
11966	instead of just declaring it there.
11967	(Stub_table::add_cortex_a8_stub): New method definition.
11968	(Stub_table::update_data_size_and_addralign): Ditto.
11969	(Stub_table::finalize_stubs): Ditto.
11970	(Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
11971	(Stub_table::do_addralign_): Return address alignment in the
11972	(Stub_table::do_reset_address_and_file_offset): Define method in
11973	class definition instead of declaring it there.  Set current data
11974	size to be the data size of the previous pass.
11975	(Stub_table::set_final_data_size): Use current data size as the
11976	final data size.
11977	(Stub_table::relocate_stub): Change parameter type of stub from
11978	Reloc_stub pointer to Stub pointer.
11979	(Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
11980	(Stub_table::Cortex_a8_stub_list): New typedef.
11981	(Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
11982	 Stub_table::prev_addralign_): New data member.
11983	(Arm_relobj::Arm_relobj): Initialize data member
11984	section_has_cortex_a8_workaround_.
11985	(Arm_relobj::section_has_cortex_a8_workaround,
11986	 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
11987	 definitions.
11988	(Arm_relobj::section_has_cortex_a8_workaround_): New data member
11989	declarations.
11990	(Target_arm::relocate_stub): Change parameter type of stub from
11991	Reloc_stub pointer to Stub pointer.
11992	(Insn_template::size, Insn_template::alignment): Handle
11993	THUMB16_SPECIAL_TYPE.
11994	(Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
11995	 Stub_table::update_data_size_and_addralign,
11996	 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
11997	definitions.
11998	(Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
11999	(Stub_table::do_write): Ditto.
12000	(Target_arm::do_relax): Adjust code for changes in Stub_table.
12001
120022010-01-08  Ian Lance Taylor  <iant@google.com>
12003
12004	PR 11108
12005	* symtab.h (class Symbol): Remove fields is_target_special_ and
12006	has_plt_offset_.  Add field is_defined_in_discarded_section_.
12007	(Symbol::is_defined_in_discarded_section): New function.
12008	(Symbol::set_is_defined_in_discarded_section): New function.
12009	(Symbol::has_plt_offset): Rewrite.
12010	(Symbol::set_plt_offset): Verify that new offset is not -1U.
12011	* symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
12012	Don't initialize is_target_special_ or has_plt_offset_.
12013	Initialize is_defined_in_discarded_section_.
12014	(Symbol_table::add_from_relobj): If appropriate, set
12015	is_defined_in_discarded_section.
12016	* resolve.cc (Symbol::override_base_with_special): Don't test
12017	is_target_special_.  Change has_plt_offset_ to has_plt_offset().
12018	* target-reloc.h (relocate_section): Do special handling for
12019	symbols defined in discarded sections for global symbols as well
12020	as local symbols.
12021
120222010-01-08  Ian Lance Taylor  <iant@google.com>
12023
12024	* dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
12025	the SHT_SYMTAB case.
12026
120272010-01-08  Ian Lance Taylor  <iant@google.com>
12028
12029	* object.cc (Sized_relobj::do_layout): Don't get confused if
12030	layout_eh_frame returns NULL.
12031
120322010-01-08  Ian Lance Taylor  <iant@google.com>
12033
12034	PR 11084
12035	* dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
12036	dynamic symbol table, use the normal symbol table.
12037	(Sized_dynobj::do_read_symbols): Remove assertion about type of
12038	symbol table.
12039
120402010-01-08  Ian Lance Taylor  <iant@google.com>
12041
12042	PR 11072
12043	* layout.cc (Layout::include_section): Remove .gnu_debuglink
12044	sections.
12045
120462010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
12047
12048	* version.cc (print_version): Change to "Copyright 2010".
12049
120502010-01-08  Ian Lance Taylor  <iant@google.com>
12051
12052	PR 10287
12053	PR 11063
12054	* i386.cc (class Target_i386): Change return type of plt_section
12055	to be non-const.
12056	(class Output_data_plt_i386): Add tls_desc_rel_ field.
12057	(Output_data_plt_i386::Output_data_plt_i386): Initialize
12058	tls_desc_rel_ field.
12059	(Output_data_plt_i386::rel_tls_desc): New function.
12060	(Target_i386::rel_tls_desc_section): New function.
12061	(Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
12062	(Target_i386::Scan::global): For R_386_TLS_GOTDESC put
12063	R_386_TLS_DESC reloc in rel_tls_desc_section.
12064	* x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
12065	Define struct Tlsdesc_info.
12066	(Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
12067	(Target_x86_64::do_reloc_symbol_index): New function.
12068	(Target_x86_64::add_tlsdesc_info): New function.
12069	(class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
12070	(Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
12071	tlsdesc_rel_ field.
12072	(Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
12073	all callers.
12074	(Output_data_plt_x86_64::rela_tlsdesc): New function.
12075	(Target_x86_64::rela_tlsdesc_section): New function.
12076	(Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
12077	handling.
12078	(Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
12079	(Target_x86_64::do_reloc_addend): New function.
12080	R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
12081	* output.h (class Output_reloc) [SHT_REL]: Add new constructor
12082	declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
12083	(Output_reloc::type): New function.
12084	(Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
12085	(Output_reloc::is_target_specific): New function.
12086	(Output_reloc::target_arg): New function.
12087	(class Output_reloc) [SHT_RELA]: Add four new constructors for
12088	absolute relocs and target specific relocs.
12089	(class Output_data_reloc) [SHT_REL]: Add add_absolute and
12090	add_target_specific.
12091	(class Output_data_reloc) [SHT_RELA]: Likewise.
12092	* output.cc (Output_reloc::Output_reloc): Add four new versions
12093	for absolute relocs and target specific relocs.
12094	(Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
12095	(Output_reloc::get_symbol_index): Likewise.
12096	(Output_reloc::local_section_offset): Check that local_sym_index_
12097	is not TARGET_CODE or 0.
12098	(Output_reloc::symbol_value): Likewise.
12099	(Output_reloc::write) [SHT_RELA]: Call target for target specific
12100	reloc.
12101	* target.h (class Target): Add reloc_symbol_index and reloc_addend
12102	functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
12103	functions.
12104	* layout.cc (add_target_dynamic_tags): Use output section for
12105	DT_PLTRELSZ and DT_JMPREL.
12106
121072010-01-07  Ian Lance Taylor  <iant@google.com>
12108
12109	PR 11061
12110	* output.h (class Output_reloc) [SHT_RELA]: Add is_relative
12111	function.
12112	(class Output_data_reloc_generic): Define.
12113	(class Output_data_reloc_base): Change base class to
12114	Output_data_reloc_generic.  Change add() method to call
12115	bump_relative_reloc_count for a relative reloc.  Remove
12116	sort_relocs_ field.
12117	* output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
12118	to sort_relocs().
12119	* layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
12120	Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
12121	appropriate.
12122	* layout.h (class Layout): Update declaration.
12123
121242010-01-07  Ian Lance Taylor  <iant@google.com>
12125
12126	* output.h (class Output_data): Add const version of
12127	output_section and do_output_section.
12128	(class Output_section_data): Add const version of
12129	do_output_section.
12130	(class Output_section): Likewise.
12131	* layout.cc (Layout::add_target_dynamic_tags): New function.
12132	* layout.h (class Layout): Update declarations.
12133	* arm.cc (Target_arm::do_finalize_sections): Use
12134	add_target_dynamic_tags.
12135	* i386.cc (Target_i386::do_finalize_sections): Likewise.
12136	* powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
12137	* sparc.cc (Target_sparc::do_finalize_sections): Likewise.
12138	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
12139
121402010-01-07  Ian Lance Taylor  <iant@google.com>
12141
12142	PR 11042
12143	* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
12144	object as needed.
12145
121462010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
12147	    Ian Lance Taylor  <iant@google.com>
12148
12149	PR 11019
12150	* object.cc: Instantiate Xindex::initialize_symtab_xindex and
12151	Xindex::read_symtab_xindex.
12152
121532010-01-07  Doug Kwan  <dougkwan@google.com>
12154
12155	* arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
12156	(Insn_template::thumb16_bcond_insn): New method declaration.
12157	(Insn_template): Fix spelling.
12158	(Stub::thumb16_special): New method declaration.
12159	(Stub::do_write): Define virtual method which was previously pure
12160	virtual.
12161	(Stub::do_thumb16_special): New method declaration.
12162	(Stub::do_fixed_endian_write): New template member.
12163	(Reloc_stub::do_write): Remove.
12164	(Reloc_stub::do_fixed_endian_write): Remove.
12165	(Cortex_a8_stub): New class definition.
12166	(Stub_factory::make_cortex_a8_stub): New method definition.
12167	(Stub_factory::Stub_factory): Add missing static storage class
12168	qualifier for elf32_arm_stub_a8_veneer_blx.
12169
121702010-01-07  Ian Lance Taylor  <iant@google.com>
12171
12172	PR 10980
12173	* options.h (class General_options): Add --warn-unresolved-symbols
12174	and --error-unresolved-symbols.
12175	* errors.cc (Errors::undefined_symbol): Implement
12176	--warn-unresolved-symbols.
12177
12178	* options.h (class General_options): Add -z text and -z textoff.
12179	* layout.cc (Layout::finish_dynamic_section): Implement -z text.
12180
121812010-01-06  Sriraman Tallam  <tmsriram@google.com>
12182
12183	* gc.h (Garbage_collection::Cident_section_map): New typedef.
12184	(Garbage_collection::cident_sections): New function.
12185	(Garbage_collection::add_cident_section): New function.
12186	(Garbage_collection::cident_sections_): New member.
12187	(gc_process_relocs): Add references to sections whose names are C
12188	identifiers.
12189	* gold.h (cident_section_start_prefix): New constant.
12190	(cident_section_stop_prefix): New constant.
12191	(is_cident): New function.
12192	* layout.cc (Layout::define_section_symbols): Replace string constants
12193	with the newly defined constants.
12194	* object.cc (Sized_relobj::do_layout): Track sections whose names are
12195	C identifiers.
12196	* testsuite/Makefile.am: Add gc_orphan_section_test.
12197	* testsuite/Makefile.in: Regenerate.
12198	* testsuite/gc_orphan_section_test.cc: New file.
12199	* testsuite/gc_orphan_section_test.sh: New file.
12200
122012010-01-06  Ian Lance Taylor  <iant@google.com>
12202
12203	PR 10980
12204	* options.h (class General_options): Add --warn-shared-textrel.
12205	* layout.cc (Layout::finish_dynamic_section): Implement
12206	--warn-shared-textrel.
12207
12208	PR 10980
12209	* options.h (class General_options): Add --warn-multiple-gp.
12210
122112010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
12212
12213	* Makefile.am (incremental_dump_DEPENDENCIES): Remove
12214	$(THREADSLIB) and $(LIBDL).
12215	* Makefile.in: Rebuild.
12216
122172010-01-06  Ian Lance Taylor  <iant@google.com>
12218
12219	PR 10980
12220	* options.cc (General_options::parse_section_start): New function.
12221	(General_options::section_start): New function.
12222	(General_options::General_options): Initialize all members.
12223	* options.h: Include <map>
12224	(class General_options): Add --section-start.  Add section_starts_
12225	member.
12226	* layout.cc (Layout::attach_allocated_section_to_segment): If
12227	--section-start was used, set the address of the segment.  Remove
12228	local sort_sections.
12229	(Layout::relaxation_loop_body): If the address of the load segment
12230	has been set by --section-start, don't use it.
12231	* output.h (Output_segment::update_flags_for_output_section): New
12232	function.
12233	* output.cc (Output_segment::add_output_section): Call
12234	update_flags_for_output_section.
12235
122362010-01-05  Ian Lance Taylor  <iant@google.com>
12237
12238	PR 10980
12239	* options.h (class General_options): Add --undefined-version.
12240	* script.cc (struct Version_expression): Add was_matched_by_symbol
12241	field.
12242	(Version_script_info::matched_symbol): New function.
12243	(Version_script_info::get_symbol_version_helper): Call
12244	matched_symbol.
12245	(Version_script_info::check_unmatched_names): New function.
12246	* script.h (class Version_script_info): Update declarations.
12247	* gold.cc (queue_middle_tasks): Handle --no-undefined-version.
12248
12249	* options.h (class General_options): Use DEFINE_bool_alias for
12250	allow_multiple_definition.
12251	* resolve.cc (Symbol_table::should_override): Don't test
12252	allow_multiple_definition.
12253
12254	PR 10980
12255	* options.h (class General_options): Add --cref.
12256	* main.cc (main): Print cref table if --cref.  Don't close mapfile
12257	until after printing cref table.
12258	* cref.cc: Include "symtab.h".
12259	(class Cref_inputs): Define Cref_table_compare and Cref_table.
12260	(Cref_table_compare::operator()): New function.
12261	(Cref_inputs::gather_cref): New function.
12262	(filecol): New static const.
12263	(Cref_inputs::print_cref): New function.
12264	(Cref::print_cref): New function.
12265	* cref.h: Include <cstdio>.
12266	(class Cref): Update declarations.
12267	* mapfile.h (Mapfile::file): New function.
12268	* object.h (class Object): Define Symbols.  Declare virtual
12269	do_get_global_symbols.
12270	(Object::get_global_symbols): New function.
12271	* object.cc (Input_objects::add_object): Pass object to cref_ if
12272	--cref.
12273	(Input_objects::archive_start): Likewise.
12274	(Input_objects::archive_stop): Likewise.
12275	(Input_objects::print_cref): New function.
12276	* dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
12277	* dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
12278	--cref.
12279	* plugin.cc (Sized_pluginobj::do_get_global_symbols): New
12280	function.
12281	* plugin.h (class Sized_pluginobj): Update declarations.
12282
122832010-01-05  Ian Lance Taylor  <iant@google.com>
12284
12285	* symtab.cc (Symbol_table::add_from_object): Rename def parameter
12286	to is_default_version.  Rename insdef to insdefault.
12287	(Symbol_table::add_from_relobj): Rename def to is_default_version
12288	and local to is_forced_local.
12289	(Symbol_table::add_from_pluginobj): Likewise.
12290	(Symbol_table::add_from_dynobj): Likewise.
12291	(Symbol_table::define_special_symbol): Rename insdef to
12292	insdefault.
12293
122942010-01-04  Ian Lance Taylor  <iant@google.com>
12295
12296	PR 10980
12297	* options.h (class General_options): Add
12298	--allow-multiple-definition and -z muldefs.
12299	* resolve.cc (Symbol_table::should_override): Don't warn about a
12300	multiple symbol definition if --allow-multiple-definition or -z
12301	muldefs.
12302
12303	PR 10980
12304	* options.h (class General_options): Add --add-needed and
12305	--copy-dt-needed-entries.  Tweak --as-needed help entry.
12306	* object.cc (Input_objects::check_dynamic_dependencies): Give an
12307	error if --copy-dt-needed-entries aka --add-needed is used and
12308	would cause a change in behaviour.
12309
12310	PR 10980
12311	* options.h (class General_options): Add -G as a short version of
12312	--shared.  Add no-op options -assert, -g, and -i.
12313
123142010-01-04  Sriraman Tallam  <tmsriram@google.com>
12315
12316	* gc.h (gc_process_relocs): Call is_section_foldable_candidate to
12317	check for .text or .gnu.linkonce.t sections.
12318	* icf.cc (Icf::find_identical_sections): Ditto.
12319	Change the detection for mangled function name within the section
12320	name.
12321	* icf.h (is_section_foldable_candidate): New function.
12322
123232009-12-30  Ian Lance Taylor  <iant@google.com>
12324
12325	PR 10980
12326	* options.h (class General_options): Permit two dashes with
12327	--retain-symbols-file.
12328
123292009-12-30  Ian Lance Taylor  <iant@google.com>
12330
12331	PR 10979
12332	* layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
12333	don't put the file header and segment headers in the text
12334	segment.
12335
12336	PR 10979
12337	* common.cc (Sort_commons::operator()): Stabilize sort when both
12338	entries are NULL.
12339	(Symbol_table::do_allocate_commons_list): When allocating common
12340	symbols, skip a symbol which is no longer common.
12341	* symtab.h (Symbol::is_common): Test whether the symbol comes from
12342	an object before checking its type.
12343	* testsuite/common_test_2.c: New file.
12344	* testsuite/common_test_3.c: New file.
12345	* testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
12346	(common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
12347	(common_test_2_LDFLAGS, common_test_2_LDADD): Define.
12348	(common_test_2_pic.o, common_test_2.so): New targets.
12349	(common_test_3_pic.o, common_test_3.so): New targets.
12350	* testsuite/Makefile.in: Rebuild.
12351
12352	PR 10979
12353	* script.cc (read_input_script): If we see a new SECTIONS clause,
12354	and we have added an input section, give an error.
12355	* layout.h (class Layout): Add have_added_input_section function.
12356	Add have_added_input_section_ field.
12357	* layout.cc (Layout::Layout): Initialize
12358	have_added_input_section_.
12359	(Layout::layout): Set have_added_input_section_.
12360	(Layout::layout_eh_frame): Likewise.
12361
123622009-12-30  Ian Lance Taylor  <iant@google.com>
12363
12364	PR 10931
12365	* options.h (class General_options): Add --sort-common option.
12366	* symtab.h (class Symbol_table): Define Sort_commons_order enum.
12367	* common.cc (Sort_common): Add sort_order parameter to
12368	constructor.  Add sort_order_ field.
12369	(Sort_commons::operator): Check sort_order_.
12370	(Symbol_table::allocate_commons): Determine the sort order.
12371	(Symbol_table::do_allocate_commons): Add sort_order parameter.
12372	Change all callers.
12373	(Symbol_table::do_allocate_commons_list): Likewise.
12374
123752009-12-30  Ian Lance Taylor  <iant@google.com>
12376
12377	PR 10916
12378	* symtab.cc (Symbol_table::add_from_relobj): When not exporting
12379	symbols from this object, don't change the visibility of an
12380	undefined symbol.
12381	* testsuite/exclude_libs_test_1.c (lib1_ref): New function.
12382
123832009-12-30  Ian Lance Taylor  <iant@google.com>
12384
12385	PR 10861
12386	* script.h (class Version_script_info): Define Language enum.
12387	Update declarations.  Define Glob, Exact, and Lookup types.  Add
12388	new fields globals_, locals_, and is_finalized_.
12389	* script.cc: Various formatting fixes.
12390	(class Parser_closure): Change language_stack_ from a vector of
12391	std::string to one of Version_script_info::Language.  Adjust all
12392	uses accordingly.
12393	(class Lazy_demangler): Remove.
12394	(struct Version_expression): Change language from std::string to
12395	Version_script_info::Language.
12396	(Version_script_info::Version_script_info): New function.
12397	(Version_script_info::~Version_script_info): Don't call clear.
12398	(Version_script_info::finalize): New function.
12399	(Version_script_info::build_lookup_tables): New function.
12400	(Version_script_info::build_expression_list_lookup): New
12401	function.
12402	(Version_script_info::get_symbol_version_helper): Rewrite to use
12403	lookup tables.
12404	(Version_script_info::print_expression_list): Adjust to use
12405	Version_script_info::Language.
12406	(script_push_lex_into_version_mode): Check that the version script
12407	has not been finalized.
12408	(version_script_push_lang): Change language string to
12409	Version_script_info::Language.
12410	* options.cc (Command_line::version_script): New function.
12411	* options.h (class General_options): Add finalize_dynamic_list
12412	function.  Change version_script from declaration to definition.
12413	* testsuite/ver_test_4.script: Remove duplicate def of t2_2.
12414	* testsuite/version_script.map: Remove duplicate def of foo.
12415	* testsuite/Makefile.am (ver_matching_def.so): Depend upon
12416	version_script.map.
12417	* testsuite/Makefile.in: Rebuild.
12418
124192009-12-30  Ian Lance Taylor  <iant@google.com>
12420
12421	PR 10843
12422	* target-reloc.h (relocate_for_relocatable): When copying a reloc,
12423	if the input symbol index is 0, make the output symbol index 0.
12424
124252009-12-30  Ian Lance Taylor  <iant@google.com>
12426
12427	PR 10670
12428	* options.h (class General_options): Add -x/--discard-all.
12429	* object.cc (Sized_relobj::do_count_local_symbols): Handle
12430	--discard-all.  If the local symbol needs a dynamic entry, check
12431	that before handling --discard-locals.
12432
124332009-12-30  Ian Lance Taylor  <iant@google.com>
12434
12435	PR 10450
12436	* output.cc (Output_segment::Output_segment): If PT_TLS, set the
12437	flags to PF_R.
12438	(Output_segment::add_output_section): Don't change the flags if
12439	the type is PT_TLS.
12440
12441	PR 10450
12442	* dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
12443	GNU hash table if they need a dynamic value.  Otherwise, don't add
12444	them if they are defined in a dynamic object or are forced local.
12445
124462009-12-29  Ian Lance Taylor  <iant@google.com>
12447
12448	PR 10450
12449	* layout.cc (Layout::create_dynamic_symtab): Only set entsize of
12450	.gnu.hash table for a 32-bit target.
12451
12452	PR 10450
12453	* symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
12454	regular and a dynamic object only needs a dynamic symbol table
12455	entry if it is externally visible.
12456
12457	PR 10450
12458	* i386.cc (class Target_i386): Initialize global_offset_table_ in
12459	constructor.  Add global_offset_table_ field.
12460	(Target_i386::got_section): Set global_offset_table_.
12461	(Target_i386::do_finalize_sections): Set global_offset_table_
12462	size.
12463	* x86_64.cc (class Target_x86_64): Initialize global_offset_table_
12464	in constructor.  Add global_offset_table_ field.
12465	(Target_x86_64::got_section): Set global_offset_table_.
12466	(Target_x86_64::do_finalize_sections): Set global_offset_table_
12467	size.
12468
12469	* layout.cc (Layout::Layout): Initialize increase_relro_.
12470	(Layout::get_output_section): Add is_relro, is_last_relro, and
12471	is_first_non_relro parameters.  Change all callers.
12472	(Layout::choose_output_section): Likewise.
12473	(Layout::add_output_section_data): Likewise.
12474	(Layout::make_output_section): Likewise.
12475	(Layout::set_segment_offsets): Clear increase_relro when using a
12476	linker script.
12477	* layout.h (class Layout): Add increase_relro method.  Add
12478	increase_relro_ field.  Update declarations.
12479	* output.cc (Output_section::Output_section): Initialize
12480	is_last_relro_ and is_first_non_relro_.
12481	(Output_segment::add_output_section): Group relro sections is
12482	do_sort is true.  Handle is_last_relro and is_first_non_relro.
12483	(Output_segment::maximum_alignment): Remove relro handling.
12484	(Output_segment::set_section_addresses): Add increase_relro
12485	parameter.  Change all callers.  Add initial alignment to align
12486	relro sections on separate page.  Remove old relro handling.
12487	(Output_segment::set_section_list_addresses): Remove in_relro
12488	parameter.  Change all callers.
12489	(Output_segment::set_offset): Add increase parameter.  Change all
12490	callers.  Remove old relro handling.
12491	* output.h (class Output_section): Add new methods: is_last_relro,
12492	set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
12493	Add is_last_relro_ and is_first_non_relro_ fields.
12494	* i386.cc (Target_i386::got_section): Don't call set_is_relro.
12495	Create separate .got.plt section.  Call increase_relro.
12496	* x86_64.cc (Target_x86_64::got_section): Likewise.
12497	* testsuite/relro_script_test.t: Add .got.plt.
12498
12499	PR 10450
12500	* layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
12501	(Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
12502	(Layout::finalize): Call set_dynamic_symbol_size.
12503	(Layout::set_dynamic_symbol_size): New function.
12504	* layout.h (class Layout): Add dynamic_symbol_ field.  Declare
12505	set_dynamic_symbol_size.
12506
12507	PR 10450
12508	* output.h (class Output_section): Add is_entsize_zero_ field.
12509	* output.cc (Output_section::Output_section): Initialize
12510	is_entsize_zero_.
12511	(Output_section::set_entsize): If two different entsizes are
12512	requested, force it to zero.
12513	(Output_section::add_input_section): Set flags for .debug_str
12514	before updating section flags.  Set entsize.
12515	(Output_section::update_flags_for_input_section): Set SHF_MERGE
12516	and SHF_STRING if all input sections have those flags.
12517
125182009-12-29   Rafael Espindola  <espindola@google.com>
12519
12520	* main.cc (main): Fix the sys time reporting.
12521	* workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
12522	reporting.
12523
125242009-12-29  Sriraman Tallam  <tmsriram@google.com>
12525
12526	* options.cc (General_options::parse_version): Allow -v to exit
12527	without an error if there is nothing to link.
12528
125292009-12-29  Ian Lance Taylor  <iant@google.com>
12530
12531	* configure.ac: Set the MCMODEL_MEDIUM conditional to false if
12532	using a version of gcc before 4.1.
12533	* configure: Rebuild.
12534
125352009-12-28  Chris Demetriou  <cgd@google.com>
12536
12537	* attributes.cc (Output_attributes_section_data::do_write): Use
12538	std::vector::front rather than std::vector::data.
12539
125402009-12-28  Ian Lance Taylor  <iant@google.com>
12541
12542	* symtab.h (class Symbol_table): Add enum Defined.
12543	* resolve.cc (Symbol_table::should_override): Add defined
12544	parameter.  Change all callers.  Test whether object is NULL
12545	before calling a method on it.
12546	(Symbol_table::report_resolve_problem): Add defined parameter.
12547	Change all callers.
12548	(Symbol_table::should_override_with_special): Likewise.
12549	* symtab.cc (Symbol_table::define_in_output_data): Add defined
12550	parameter.  Change all callers.
12551	(Symbol_table::do_define_in_output_data): Likewise.
12552	(Symbol_table::define_in_output_segment): Likewise.
12553	(Symbol_table::do_define_in_output_segment): Likewise.
12554	(Symbol_table::define_as_constant): Likewise.
12555	(Symbol_table::do_define_as_constant): Likewise.
12556	* script.h (class Symbol_assignment): Add is_defsym parameter to
12557	constructor; change all callers.
12558	* script.cc (Script_options::add_symbol_assignment): Add is_defsym
12559	parameter.  Change all callers.  Add is_defsym_ field.
12560	(class Parser_closure): Add parsing_defsym parameter to
12561	constructor; change all callers.  Add parsing_defsym accessor
12562	function.  Add parsing_defsym_ field.
12563
125642009-12-28  Ian Lance Taylor  <iant@google.com>
12565
12566	* gold.cc (queue_middle_tasks): Fix formatting.
12567	* object.cc (Relobj::is_section_name_included): Likewise.
12568
125692009-12-23  Ian Lance Taylor  <iant@google.com>
12570
12571	* i386.cc (Target_i386::do_calls_non_split): Recognize
12572	-fsplit-stack prologue for a function with a static chain.
12573	* x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
12574	-fsplit-stack prologue when using %r11.
12575
125762009-12-21  Sriraman Tallam  <tmsriram@google.com>
12577
12578	* options.cc (General_options::parse_version): Make -v continue and do
12579	the link like GNU ld does.
12580
125812009-12-17  Rafael Avila de Espindola  <espindola@google.com>
12582
12583	* Makefile.am (CCFILES): Add timer.cc.
12584	(HFILES): Add timer.h.
12585	* configure.ac: Check for sysconf and times.
12586	* main.cc: include timer.h.
12587	(main): Use Timer instead of get_run_time.
12588	* timer.cc: New.
12589	* timer.h: New.
12590	* workqueue.cc: include timer.h.
12591	(Workqueue::find_and_run_task):
12592	Report user, sys and wall time.
12593	* Makefile.in: Regenerate.
12594	* config.in: Regenerate.
12595	* configure: Regenerate.
12596
125972009-12-16  Doug Kwan  <dougkwan@google.com>
12598
12599	* arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
12600	sections.
12601	* object.cc (Sized_relobj::do_finalize_local_symbols): Handle
12602	relaxed input sections.
12603	* output.cc (Output_section::find_relaxed_input_section): Change
12604	return type to Output_relaxed_input_section pointer.  Adjust code
12605	for new type of relaxed_input_section_map_.
12606	* output.h (Output_section::find_relaxed_input_section): Change
12607	return type to Output_relaxed_input_section pointer.
12608	(Output_section::Output_relaxed_input_section_by_input_section_map):
12609	New type.
12610	(Output_section::relaxed_input_section_map_): Change type to
12611	Output_section::Output_relaxed_input_section_by_input_section_map.
12612	* symtab.cc (Symbol_table::compute_final_value): Handle relaxed
12613	input section.
12614
126152009-12-15  Ian Lance Taylor  <iant@google.com>
12616
12617	* layout.cc (Layout::create_shstrtab): Only write out after input
12618	sections if we are compressing debug sections.
12619
126202009-12-15  Ian Lance Taylor  <iant@google.com>
12621
12622	* archive.cc (Archive::add_symbols): Only look up a symbol without
12623	a version if there is, in fact, a version.
12624
126252009-12-14  Ian Lance Taylor  <iant@google.com>
12626
12627	Revert -Wshadow changes, all changes from:
12628	2009-12-11  Doug Kwan  <dougkwan@google.com>
12629	2009-12-11  Nick Clifton  <nickc@redhat.com>
12630	* configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
12631
126322009-12-11  Doug Kwan  <dougkwan@google.com>
12633
12634	* arm.cc (Target_arm::do_finalize_sections): Fix build breakage
12635	due to -Wshadow.
12636	* attributes.cc (Object_attribute::size): Ditto.
12637	(Attributes_section_data::size): Ditto.
12638	(Attributes_section_data::Attributes_section_data): Ditto.
12639	(Output_attributes_section_data::do_write): Ditto.
12640	* attributes.h (Object_attribute::set_type): Ditto.
12641	* testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
12642
126432009-12-11  Nick Clifton  <nickc@redhat.com>
12644
12645	* archive.cc: Fix shadowed variable warnings.
12646	* arm.cc: Likewise.
12647	* compressed_output.cc: Likewise.
12648	* compressed_output.h: Likewise.
12649	* configure: Likewise.
12650	* dwarf_reader.cc: Likewise.
12651	* dynobj.cc: Likewise.
12652	* dynobj.h: Likewise.
12653	* ehframe.cc: Likewise.
12654	* ehframe.h: Likewise.
12655	* errors.cc: Likewise.
12656	* expression.cc: Likewise.
12657	* fileread.cc: Likewise.
12658	* fileread.h: Likewise.
12659	* freebsd.h: Likewise.
12660	* i386.cc: Likewise.
12661	* icf.cc: Likewise.
12662	* incremental.h: Likewise.
12663	* layout.cc: Likewise.
12664	* layout.h: Likewise.
12665	* mapfile.cc: Likewise.
12666	* merge.cc: Likewise.
12667	* merge.h: Likewise.
12668	* object.cc: Likewise.
12669	* object.h: Likewise.
12670	* options.h: Likewise.
12671	* output.cc: Likewise.
12672	* output.h: Likewise.
12673	* parameters.cc: Likewise.
12674	* plugin.cc: Likewise.
12675	* powerpc.cc: Likewise.
12676	* reduced_debug_output.cc: Likewise.
12677	* reduced_debug_output.h: Likewise.
12678	* reloc.cc: Likewise.
12679	* reloc.h: Likewise.
12680	* resolve.cc: Likewise.
12681	* script-sections.cc: Likewise.
12682	* script.cc: Likewise.
12683	* script.h: Likewise.
12684	* sparc.cc: Likewise.
12685	* symtab.cc: Likewise.
12686	* symtab.h: Likewise.
12687	* target-select.cc: Likewise.
12688	* target-select.h: Likewise.
12689	* token.h: Likewise.
12690	* workqueue.cc: Likewise.
12691	* workqueue.h: Likewise.
12692	* x86_64.cc: Likewise.
12693
126942009-12-10  Doug Kwan  <dougkwan@google.com>
12695
12696	* arm.cc (attributes.h): New include.
12697	(Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
12698	(Arm_relobj::~Arm_relobj): Delete object pointed by
12699	attributes_section_data_.
12700	(Arm_relobj::attributes_section_data): New method definition.
12701	(Arm_relobj::attributes_section_data_): New data member declaration.
12702	(Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
12703	(Arm_dynobj::~Arm_dynobj): Delete object pointed by
12704	attributes_section_data_.
12705	(Arm_dynobj::attributes_section_data): New method definition.
12706	(Arm_dynobj::attributes_section_data_): New data member declaration.
12707	(Target_arm::Target_arm): Initialize attributes_section_data_.  Change
12708	initialization value of may_use_blx_ to false.
12709	(Target_arm::using_thumb2, Target_arm::using_thumb_only,
12710	Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
12711	object attributes to compute results instead of hard-coding.
12712	(Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
12713	Target_arm::get_secondary_compatible_arch,
12714	Target_arm::set_secondary_compatible_arch
12715	Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
12716	Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
12717	New method declarations.
12718	(Target_arm::get_aeabi_object_attribute): New method definition.
12719	(Target_arm::attributes_section_data_): New data member declaration.
12720	(read_arm_attributes_section): New template definition.
12721	(Arm_relobj::do_read_symbols): Read attributes section if it exists.
12722	(Arm_dynobj::do_read_symbols): Ditto.
12723	(Target_arm::do_finalize_sections): Merge attributes sections from
12724	input.  Check for BLX use after attributes section merging.
12725	Fix __exidx_start and __exidx_end visibility.  Create an
12726	.ARM.attributes section if necessary.
12727	(Target_arm::get_secondary_compatible_arch,
12728	Target_arm::set_secondary_compatible_arch,
12729	Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
12730	Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
12731	Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
12732	New method definitions.
12733
127342009-12-09  Ian Lance Taylor  <iant@google.com>
12735
12736	* plugin.cc (Plugin::load): Don't cast from void* to a function
12737	pointer.
12738
127392009-12-09  Ian Lance Taylor  <iant@google.com>
12740
12741	* dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
12742	information fields.
12743
127442009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
12745
12746	* testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
12747	Replace two_file_shared_1.so with two_file_shared_2.so.
12748	* testsuite/Makefile.in: Regenerated.
12749
127502009-12-08  Doug Kwan  <dougkwan@google.com>
12751
12752	* Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
12753	(HFILES): Add attributes.h and int_encoding.h.
12754	* Makefile.in: Regenerate.
12755	* dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
12756	function definitions to int_encoding.cc
12757	* dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
12758	prototypes to int_encoding.h
12759	* reduced_debug_output.cc (int_encoding.h): New include.
12760	(write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
12761	function definitions to int_encoding.cc
12762	(insert_into_vector, read_from_pointer): Move template definitions to
12763	int_encoding.h
12764	* attributes.cc: New file.
12765	* attributes.h: New file.
12766	* int_encoding.cc: New file.
12767	* int_encoding.h: New file.
12768
127692009-12-07  Rafael Avila de Espindola  <espindola@google.com>
12770
12771	PR gold/11055
12772	* incremental-dump.cc (dump_incremental_inputs): New.
12773	(main): Use dump_incremental_inputs.
12774
127752009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
12776
12777	PR gold/10893
12778	* i386.cc (Target_i386::Scan::globa): Use is_func instead of
12779	checking elfcpp::STT_FUNC.
12780	(Target_i386::Relocate::relocate): Likewise.
12781	* x86_64.cc (Target_x86_64::Scan::global): Likewise.
12782
12783	* symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
12784	symbols from shared libraries into normal FUNC symbols.
12785
12786	* symtab.h (Symbol): Add is_func and use it.
12787
127882009-12-05  Doug Kwan  <dougkwan@google.com>
12789
12790	* arm.cc (Target_arm::arm_info): Initialize new fields
12791	attributes_section and attributes_vendor.
12792	* i386.cc (Target_i386::i386_info): Same.
12793	* object.cc (Sized_relobj::do_layout): Skip attribute section.
12794	* powerpc.cc (Target_powerpc::powerpc_info): Initialize new
12795	fields attributes_section and attributes_vendor.
12796	* sparc.cc (Target_sparc::sparc_info): Same.
12797	* target.h (Target::attributes_section, Target::attributes_vendor,
12798	Target::is_attributes_section, Target::attribute_arg_type,
12799	Target::attributes_order): New method definitions.
12800	(Target::Target_info::attributes_section,
12801	Target::Target_info::attributes_vendor): New fields.
12802	(Target::do_attribute_arg_type, Target::do_attributes_order): New
12803	virtual method definitions.
12804	* x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
12805	attributes_section and attributes_vendor.
12806	* testsuite/testfile.cc (Target_test::test_target_info): Same.
12807
128082009-12-05  Doug Kwan  <dougkwan@google.com>
12809
12810	* arm.cc: Update comments about interworking and stub generation.
12811	(Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
12812	considered as non-PIC.
12813	(Arm_relocate_functions::base_abs): Fix formatting.
12814	(Arm_relocate_functions::got_prel): Fix comment.  Change interface
12815	of function to use GOT entry address instead of offset.
12816	(Target_arm::Scan::global): Issue an error if a symbol would need a
12817	PLT does not get one because it is untyped.  Remove code to create
12818	dynamic symbols for relative branches.
12819	(Target_arm::Relocate::relocate: Use 0 instead of false since function
12820	takes unsigned integer instead of boolean.
12821
128222009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
12823
12824	* testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
12825	(two_file_test_LDADD): Likewise.
12826	(common_test_1_LDADD): Likewise.
12827	(exception_test_LDADD) Likewise.
12828	(weak_test_LDADD): Likewise.
12829	(many_sections_test_LDADD): Likewise.
12830	(initpri1_LDADD): Likewise.
12831	(script_test_1_LDADD): Likewise.
12832	(script_test_2_LDADD): Likewise.
12833	(justsyms_LDADD): Likewise.
12834	(binary_test_LDADD): Likewise.
12835	(large_LDADD): Likewise.
12836	* testsuite/Makefile.in: Regenerated.
12837
128382009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
12839
12840	* resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
12841	(Symbol_table::override_with_special): Likewise.
12842	(Symbol_table::add_from_object): Likewise.
12843
128442009-12-04  Rafael Avila de Espindola  <espindola@google.com>
12845
12846	* incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
12847	Don't set the data_offset twice.
12848
128492009-12-04  Rafael Avila de Espindola  <espindola@google.com>
12850
12851	* testsuite/Makefile.in: Regenerate.
12852
128532009-12-03  Doug Kwan  <dougkwan@google.com>
12854
12855	* arm.cc: Remove comment about missing .ARM.exidx section symbols.
12856	(Target_arm::do_finalize_sections): Add parameter for symbol table
12857	pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
12858	* i386.cc (Target_i386::do_finalize_sections): Add an additional
12859	parameter for symbol table pointer.
12860	* layout.cc (Layout::finalize): Call Target::finalize_sections with
12861	an additional parameter for a pointer to symbol table.
12862	* powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
12863	parameter for a symbol table pointer.
12864	* sparc.cc (Target_sparc::do_finalize_sections): Ditto.
12865	* target.h (Target::finalize_sections, Target::do_finalize_sections):
12866	Ditto.
12867	* x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
12868	parameter for a symbol table pointer.
12869
128702009-12-03  Rafael Avila de Espindola  <espindola@google.com>
12871
12872	* incremental.cc (Incremental_inputs_header)
12873	(Incremental_inputs_header_write, Incremental_inputs_entry)
12874	(Incremental_inputs_entry_write): Move ...
12875	* incremental.h (Incremental_inputs_header)
12876	(Incremental_inputs_header_write, Incremental_inputs_entry)
12877	(Incremental_inputs_entry_write): here.
12878
128792009-12-02  Rafael Avila de Espindola  <espindola@google.com>
12880
12881	* incremental.cc (make_sized_incremental_binary): Set the target.
12882	Error if it is incompatible.
12883	* output.h (Output_file): Add filename method.
12884
128852009-12-02  Rafael Avila de Espindola  <espindola@google.com>
12886
12887	* incremental.cc (Incremental_inputs_entry): Remove unused argument
12888	from the get_* methods.
12889
128902009-12-02  Rafael Avila de Espindola  <espindola@google.com>
12891
12892	* incremental-dump.cc (main): Check that the offeset of a script is 0.
12893	* incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
12894	Write 0 for the data_offset of scripts.
12895
128962009-12-02  Rafael Avila de Espindola  <espindola@google.com>
12897
12898	* testsuite/Makefile.am: Add the incremental_test.sh test.
12899	* testsuite/incremental_test.sh: New.
12900	* testsuite/incremental_test_1.c: New.
12901	* testsuite/incremental_test_2.c: New.
12902
129032009-12-01  Rafael Avila de Espindola  <espindola@google.com>
12904
12905	* incremental-dump.cc (main): Fix typos.
12906
129072009-11-27  Rafael Avila de Espindola  <espindola@google.com>
12908
12909	PR gold/11025
12910	* incremental-dump.cc (main): Use llu to print 64 bit values.
12911
129122009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
12913	    H.J. Lu  <hongjiu.lu@intel.com>
12914
12915	* Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
12916	$(LIBDL).
12917	(incremental_dump_LDADD): Likewise.
12918	* Makefile.in: Regenerated.
12919
129202009-11-25  Doug Kwan  <dougkwan@google.com>
12921
12922	Revert:
12923
12924	2009-11-25  Doug Kwan  <dougkwan@google.com>
12925
12926		* arm.cc (Target_arm::Target_arm): Move method definition
12927		outside of class definition.  Add code to handle
12928		--target1-rel, --target1-abs and --target2= options.
12929		(Target_arm::get_reloc_reloc_type): Change method to be
12930		non-static and const.
12931		(Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
12932		New data member declaration.
12933		(Target_arm::Scan::local, Target_arm::Scan::global,
12934		Target_arm::Relocate::relocate,
12935		Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
12936		Adjust call to Target_arm::get_real_reloc_type.
12937		(Target_arm::get_real_reloc_type): Use command line options
12938		to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
12939		* options.h (--target1-rel, --target1-abs, --target2): New
12940		ARM-only options.
12941
129422009-11-25  Doug Kwan  <dougkwan@google.com>
12943
12944	* arm.cc (Target_arm::Target_arm): Move method definition outside of
12945	class definition.  Add code to handle --target1-rel, --target1-abs
12946	and --target2= options.
12947	(Target_arm::get_reloc_reloc_type): Change method to be non-static
12948	and const.
12949	(Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
12950	member declaration.
12951	(Target_arm::Scan::local, Target_arm::Scan::global,
12952	Target_arm::Relocate::relocate,
12953	Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
12954	call to Target_arm::get_real_reloc_type.
12955	(Target_arm::get_real_reloc_type): Use command line options to
12956	determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
12957	* options.h (--target1-rel, --target1-abs, --target2): New ARM-only
12958	options.
12959
129602009-11-25  Doug Kwan  <dougkwan@google.com>
12961
12962	* arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
12963	(Arm_relocate_functions::thumb_branch_common): New metod declaration.
12964	(Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
12965	formatting.
12966	(Arm_relocate_functions::thm_call): Replace body with a call to
12967	Arm_relocate_functions::thumb_branch_common.
12968	(Arm_relocate_functions::thm_jump24,
12969	Arm_relocate_functions::thm_xpc22): New method definitions.
12970	(Arm_relocate_functions::thumb_branch_common): New method definition.
12971	(Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
12972	operator.
12973	(Target_arm::Relocate::relocate): Adjust call to thm_call.
12974	Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
12975
129762009-11-24  Rafael Avila de Espindola  <espindola@google.com>
12977
12978	* Makefile.am: Build incremental-dump
12979	* Makefile.in: Regenerate.
12980	* incremental-dump.cc: New.
12981	* incremental.cc (Incremental_inputs_header_data,
12982	Incremental_inputs_entry_data): Move to incremental.h
12983	* incremental.h: (Incremental_inputs_header_data,
12984	Incremental_inputs_entry_data): Move from incremental.cc
12985
129862009-11-24  Rafael Avila de Espindola  <espindola@google.com>
12987
12988	* incremental.cc (Incremental_inputs_header,
12989	Incremental_inputs_header_write, Incremental_inputs_entry,
12990	Incremental_inputs_entry_write): Add a typedef with the data type.
12991
129922009-11-24  Rafael Avila de Espindola  <espindola@google.com>
12993
12994	* incremental.cc (Incremental_inputs_header,
12995	Incremental_inputs_header_write, Incremental_inputs_entry,
12996	Incremental_inputs_entry_write): Update comment about which
12997	type has the filed descriptions.
12998
129992009-11-15  Doug Kwan  <dougkwan@google.com>
13000
13001	* arm.cc (Target_arm::may_use_arm_nop): New method definition.
13002	(Arm_relocate_functions::arm_branch_common): Change method defintion
13003	in class definition to a method declaration and update list of formal
13004	parameters.
13005	(Arm_relocate_functions::plt32, Arm_relocate_functions::call,
13006	Arm_relocation_functions::jump24): Adjust call to
13007	Arm_relocate_functions::arm_branch_common.  Update list of formal
13008	parameters.
13009	(Arm_relocate_functions::xpc25): New method definition.
13010	(Arm_relocate_functions::arm_branch_common): Move method defintion
13011	out from class definition.  Use stubs for mode-switching and extending
13012	branch ranges.
13013	(Target_arm::Relocate::relocate): Handle weakly-undefined symbols
13014	specially.  Change code to enable use of stubs in ARM branches.
13015
130162009-11-10  Doug Kwan  <dougkwan@google.com>
13017
13018	* arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
13019	in method declaration.
13020	(Target_arm::relocate_stub): New method declaration.
13021	(Target_arm::default_target): Change to return a pointer instead of
13022	a const reference.
13023	(Reloc_stub::stub_type_for_reloc): Adjust for the change in
13024	Target_arm::default_target.
13025	(Arm_Relobj::do_relocate_sections): Remove options paramater in
13026	method definition.
13027	(Target_arm::relocate_section): Adjust view.
13028	(Target_arm::relocate_stub): New method definition.
13029
130302009-11-10  Doug Kwan  <dougkwan@google.com>
13031
13032	* i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
13033	a format warning.
13034	* incremental.cc (open_incremental_binary): Initialized local
13035	variables to avoid warnings.
13036	* object.cc (make_elf_object): Ditto.
13037	* x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
13038	a format warning.
13039
13040009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
13041
13042	PR gold/10930
13043	* testsuite/plugin_test.c: Include "config.h".
13044
130452009-11-09  Doug Kwan  <dougkwan@google.com>
13046
13047	* arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
13048	(arm_symbol_value): Remove.
13049	(Arm_relocate_functions::arm_branch_common,
13050	Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
13051	Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
13052	Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
13053	Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
13054	Arm_relocate_functions::call, Arm_relocate_functions::jump24,
13055	Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
13056	Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
13057	Arm_relocate_functions::thm_mobw_abs_nc,
13058	Arm_relocate_functions::thm_mov_abs,
13059	Arm_relocate_functions::movw_prel_nc,
13060	Arm_relocate_functions::thm_movt_abs,
13061	Arm_relocate_functions::movt_prel,
13062	Arm_relocate_functions::thm_movw_prel_nc,
13063	Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
13064	(Target_arm::Relocate::relocate): Only decompose address into two
13065	parts if relocation type uses the thumb-bit and pass the actual
13066	bit instead of a flag indicating that the thumb-bit is used.  Adjust
13067	calls to methods in Arm_relocate_functions for this change.
13068
130692009-11-08  Ian Lance Taylor  <iant@google.com>
13070
13071	PR 10925
13072	* reloc.cc: Instantiate
13073	Sized_relobj::initialize_input_to_output_maps and
13074	Sized_relobj:free_input_to_output_maps.
13075
130762009-11-06  Ian Lance Taylor  <iant@google.com>
13077
13078	PR 10876
13079	* defstd.cc (in_segment): Set only_if_ref true for "end".
13080
130812009-11-06  Doug Kwan  <dougkwan@google.com>
13082
13083	* arm.cc (class Reloc_stub): Correct a comment.
13084	(Target_arm::Target_arm): Initialize arm_input_section_map_.
13085	(Target_arm::scan_section_for_stubs): New method declaration.
13086	(Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
13087	Change methods from private to protected.
13088	(Target_arm::do_may_relax): New method definition.
13089	(Target_arm::do_relax, Target_arm::group_sections,
13090	Target_arm::scan_reloc_for_stub,
13091	Target_arm::scan_reloc_section_for_stubs): New method declarations.
13092	(Target_arm::arm_input_section_map_): New data member declaration.
13093	(Target_arm::scan_reloc_for_stub,
13094	Target_arm::scan_reloc_section_for_stubs,
13095	Target_arm::scan_section_for_stubs, Target_arm::group_sections,
13096	Target_arm::do_relax): New method definitions.
13097
130982009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
13099
13100	* configure.ac: Check for (struct stat)::st_mtim
13101	* fileread.cc (File_read::get_mtime): Use st_mtim if available.
13102	* config.in: Regenerate.
13103	* configure: Regenerate.
13104
131052009-11-05  Ian Lance Taylor  <iant@google.com>
13106
13107	PR 10910
13108	* output.cc (Output_segment::add_output_section): Add missing
13109	return statement.
13110
131112009-11-04  Ian Lance Taylor  <iant@google.com>
13112
13113	PR 10880
13114	* object.h (class Object): Add is_needed and set_is_needed
13115	methods.  Add is_needed_ field.  Make bool fields into bitfields.
13116	* symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
13117	defined in a dynamic object and referenced by a regular object,
13118	set is_needed for the dynamic object.
13119	* layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
13120	if the file is marked with as_needed and it is not needed.
13121
131222009-11-04  Ian Lance Taylor  <iant@google.com>
13123
13124	PR 10887
13125	* arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
13126	tags if data is discarded by linker script.
13127	* i386.cc (Target_i386::do_finalize_sections): Likewise.
13128	* powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
13129	* sparc.cc (Target_sparc::do_finalize_sections): Likewise.
13130	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
13131
131322009-11-04  Ian Lance Taylor  <iant@google.com>
13133
13134	* layout.cc (Layout::get_output_section): Add is_interp and
13135	is_dynamic_linker_section parameters.  Change all callers.
13136	(Layout::choose_output_section): Likewise.
13137	(Layout::make_output_section): Likewise.
13138	(Layout::add_output_section_data): Add is_dynamic_linker_section
13139	parameter.  Change all callers.
13140	* layout.h (class Layout): Update declarations.
13141	* output.h (class Output_section): Add is_interp, set_is_interp,
13142	is_dynamic_linker_section, set_is_dynamic_linker_section methods.
13143	Add is_interp_, is_dynamic_linker_section_ fields.  Change
13144	generate_code_fills_at_write_ to a bitfield.
13145	* output.cc (Output_section::Output_sections): Initialize new
13146	fields.
13147	(Output_segment::add_output_section): Add do_sort parameter.
13148	Change all callers.
13149
131502009-11-03  Ian Lance Taylor  <iant@google.com>
13151
13152	PR 10860
13153	* options.h (class General_options): Add --warn-common.
13154	* resolve.cc (Symbol_table::resolve): Handle --warn-common when
13155	merging two common symbols.
13156	(Symbol_table::should_override): Handle --warn-common when merging
13157	a common symbol with a defined symbol.  Use report_resolve_problem
13158	for multiple definitions.
13159	(Symbol_table::report_resolve_problem): New function.
13160	* symtab.h (class Symbol_table): Declare report_resolve_problem.
13161
131622009-11-03  Doug Kwan  <dougkwan@google.com>
13163
13164	* arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
13165	stub_factory_.
13166	(Target_arm::stub_factory): New method definition.
13167	(Target_arm::new_arm_input_section,
13168	Target_arm::find_arm_input_section, Target_arm::new_stub_table,
13169	Target_arm::reloc_uses_thumb_bit): New method declarations.
13170	(Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
13171	New type definitions.
13172	(Target_arm::stub_tables_, Target_arm::stub_factory_): New data
13173	member declarations.
13174	(Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
13175	Target_arm::find_arm_input_section, Target_arm::new_stub_table):
13176	New method definitions.
13177
131782009-11-03  Ian Lance Taylor  <iant@google.com>
13179
13180	* options.h (class General_options): Add --warn_constructors.
13181
131822009-11-03  Ian Lance Taylor  <iant@google.com>
13183
13184	PR 10893
13185	* defstd.cc (in_section): Add entries for __rel_iplt_start,
13186	__rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
13187
131882009-11-03  Ian Lance Taylor  <iant@google.com>
13189
13190	PR 10895
13191	* po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
13192	--msgid-bugs-address.
13193	(install-pdf): New target.
13194	(install-data_yes): Look up one directory to find mkinstalldirs.
13195
131962009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
13197
13198	* po/Make-in (.po.gmo): Don't generate .gmo files in source
13199	tree.
13200
132012009-10-30  Doug Kwan  <dougkwan@google.com>
13202
13203	* arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
13204
132052009-10-30  Doug Kwan  <dougkwan@google.com>
13206
13207	* arm.cc (Stub_addend_reader): New struct template definition
13208	and partial specializations.
13209	(Stub_addend_reader::operator()): New method definition for a
13210	partially specialized template.
13211
132122009-10-30  Doug Kwan  <dougkwan@google.com>
13213
13214	* arm.cc (Arm_relobj::processor_specific_flags): New method
13215	definition.
13216	(Arm_relobj::do_read_symbols): New method declaration.
13217	(Arm_relobj::processor_specific_flags_): New data member declaration.
13218	(Arm_dynobj): New class definition.
13219	(Target_arm::do_finalize_sections): Add input_objects parameter.
13220	(Target_arm::do_adjust_elf_header): New method declaration.
13221	(Target_arm::are_eabi_versions_compatible,
13222	(Target_arm::merge_processor_specific_flags): New method declaration.
13223	(Target_arm::do_make_elf_object): New overloaded method definitions
13224	and declaration.
13225	(Arm_relobj::do_read_symbols): New method definition.
13226	(Arm_dynobj::do_read_symbols): Ditto.
13227	(Target_arm::do_finalize_sections): Add input_objects parameters.
13228	Merge processor-specific flags from all input objects.
13229	(Target_arm::are_eabi_versions_compatible,
13230	Target_arm::merge_processor_specific_flags,
13231	Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
13232	New method definitions.
13233	* i386.cc (Target_i386::do_finalize_sections): Add unnamed
13234	Input_objects pointer type parameter.
13235	* layout.cc (Layout::finalize): Pass input objects to target's.
13236	finalize_sections function.
13237	* output.cc (Output_file_header::do_sized_write): Set ELF file
13238	header's processor-specific flags.
13239	* powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
13240	Input_objects pointer type parameter.
13241	* sparc.cc (Target_sparc::do_finalize_sections): Same.
13242	* target.h (Input_objects): New forward class declaration.
13243	(Target::processor_specific_flags,
13244	Target::are_processor_specific_flags_sect): New method definitions.
13245	(Target::finalize_sections): Add input_objects parameter.
13246	(Target::Target): Initialize processor_specific_flags_ and
13247	are_processor_specific_flags_set_.
13248	(Target::do_finalize_sections): Add unnamed Input_objects pointer type
13249	parameter.
13250	(Target::set_processor_specific_flags): New method definition.
13251	(Target::processor_specific_flags_,
13252	Target::are_processor_specific_flags_set_): New data member
13253	declarations.
13254	* x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
13255	Input_objects pointer type parameter.
13256
132572009-10-30  Doug Kwan  <dougkwan@google.com>
13258
13259	* arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
13260
132612009-10-28  Ian Lance Taylor  <iant@google.com>
13262
13263	* object.h (class Relobj): Drop options parameter from
13264	gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
13265	do_scan_relocs, do_relocate.  Change all callers.
13266	(class Sized_relobj): Drop options parameters from
13267	do_gc_process_relocs, do_scan_relocs, do_relocate,
13268	do_relocate_sections, relocate_sections, emit_relocs_scan,
13269	emit_relocs_scan_reltype.  Change all callers.
13270	(struct Relocate_info): Remove options field and all references to
13271	it.
13272	* reloc.h (class Read_relocs): Remove options constructor
13273	parameter and options_ field.  Change all callers.
13274	(class Gc_process_relocs, class Scan_relocs): Likewise.
13275	(class Relocate_task): Likewise.
13276	* target-reloc.h (scan_relocs): Remove options parameter.  Change
13277	all callers.
13278	(scan_relocatable_relocs): Likewise.
13279	* target.h (class Sized_target): Remove options parameter from
13280	gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
13281	all callers.
13282	* gc.h (gc_process_relocs): Remove options parameter.  Change all
13283	callers.
13284	* arm.cc: Update functions to remove options parameters.
13285	* i386.cc: Likewise.
13286	* powerpc.cc: Likewise.
13287	* sparc.cc: Likewise.
13288	* x86_64.cc: Likewise.
13289	* testsuite/testfile.cc: Likewise.
13290
132912009-10-28  Doug Kwan  <dougkwan@google.com>
13292
13293	* arm.cc (Arm_relobj): New class definition.
13294	(Arm_relobj::scan_sections_for_stubs,
13295	Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
13296	New method definitions.
13297
132982009-10-28  Cary Coutant  <ccoutant@google.com>
13299
13300	* plugin.h (Plugin::Plugin): Initialize cleanup_done_.
13301	(Plugin::cleanup_done_): New member.
13302	(Plugin_manager::Plugin_manager): Remove cleanup_done_.
13303	(Plugin_manager::cleanup_done_): Remove.
13304	(Plugin_manager::add_input_file): Edit error message.
13305	* plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
13306	(Plugin_manager::cleanup): Remove use of cleanup_done_.
13307
133082009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
13309
13310	* fileread.cc: (File_read::View::~View): Use the new
13311	data_ownership_ filed.
13312	(File_read::~File_read): Dispose the new whole_file_view_.
13313	(File_read::open): Mmap the whole file if needed.
13314	(File_read::open): Use whole_file_view_ instead of contents_.
13315	(File_read::find_view): Use whole_file_view_ if applicable.
13316	(File_read::do_read): Use whole_file_view_ instead of contents_.
13317	(File_read::make_view): Use whole_file_view_ instead of contents_,
13318	update File_read::View::View call.
13319	(File_read::find_or_make_view): Update File_read::View::View
13320	call.
13321	* fileread.h: (File_read::File_read): Initialize whole_file_view_,
13322	remove contents_
13323	(File_read::View::Data_ownership): New enum.
13324	(File_read::View::View): Replace bool mapped_ with Data_ownership
13325	argument.
13326	(File_read::View::mapped_): Remove (replaced by data_ownership_).
13327	(File_read::View::data_ownership_): New field.
13328	(File_read::contents_): Remove (replaced by whole_file_view_).
13329	(File_read::whole_file_view_): New field.
13330	* options.h (class General_options): Add --keep-files-mapped.
13331
133322009-10-27  Cary Coutant  <ccoutant@google.com>
13333
13334	* symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
13335	* testsuite/Makefile.am (plugin_test_5): New test case.
13336	* testsuite/Makefile.in: Regenerate.
13337
133382009-10-25  Doug Kwan  <dougkwan@google.com>
13339
13340	* object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
13341	from private to protected to allow access by child class.
13342	(Sized_relobj::do_relocate_sections): New method declaration.
13343	(Sized_relobj::relocate_sections): Virtualize.
13344	* reloc.cc (Sized_relobj::do_relocate_sections): Rename from
13345	Sized_relobj::relocate_sections.  Instantiate template explicitly
13346	for different target sizes and endianity.
13347
133482009-10-24  Doug Kwan  <dougkwan@google.com>
13349
13350	* arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
13351	(Arm_input_section::as_arm_input_section): New method.
13352	(Arm_output_section): New class definition.
13353	(Arm_output_section::create_stub_group,
13354	Arm_output_section::group_sections): New method definitions.
13355
133562009-10-22  Doug Kwan  <dougkwan@google.com>
13357
13358	* arm.cc (Arm_input_section): New class definition.
13359	(Arm_input_section::init, Arm_input_section:do_write,
13360	Arm_input_section::set_final_data_size,
13361	Arm_input_section::do_reset_address_and_file_offset): New method
13362	definitions.
13363
133642009-10-21  Doug Kwan  <dougkwan@google.com>
13365
13366	* arm.cc (Stub_table, Arm_input_section): New forward class
13367	declarations.
13368	(Stub_table): New class defintion.
13369	(Stub_table::add_reloc_stub, Stub_table::relocate_stubs
13370	Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
13371	New method definition.
13372
133732009-10-21  Doug Kwan  <dougkwan@google.com>
13374
13375	* arm.cc: Update copyright comments.
13376	(Target_arm): New forward class template declaration.
13377	(Arm_address): New type.
13378	(ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
13379	THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
13380	THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
13381	constants.
13382	(Insn_template): Same.
13383	(DEF_STUBS): New macro.
13384	(Stub_type): New enum type.
13385	(Stub_template): New class definition.
13386	(Stub): Same.
13387	(Reloc_stub): Same.
13388	(Stub_factory): Same.
13389	(Target_arm::Target_arm): Initialize may_use_blx_ and
13390	should_force_pic_veneer_.
13391	(Target_arm::may_use_blx, Target_arm::set_may_use_blx,
13392	Target_arm::should_force_pic_veneer,
13393	Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
13394	Target_arm::using_thumb_only, Target_arm:;default_target): New
13395	method defintions.
13396	(Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
13397	New data member declarations.
13398	(Insn_template::size, Insn_template::alignment): New method defintions.
13399	(Stub_template::Stub_template): New method definition.
13400	(Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
13401	Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
13402	(Stub_factory::Stub_factory): New method definition.
13403	* gold.h (string_hash): New template.
13404	* output.h (Input_section_specifier::hash_value): Use
13405	gold::string_hash.
13406	(Input_section_specifier::string_hash): Remove.
13407	* stringpool.cc (Stringpool_template::string_hash): Use
13408	gold::string_hash.
13409
134102009-10-20  Doug Kwan  <dougkwan@google.com>
13411
13412	* object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
13413	symbols of relaxed input sections.
13414	* output.h (Output_section::find_relaxed_input_section): Make
13415	method public.
13416
134172009-10-16  Doug Kwan  <dougkwan@google.com>
13418
13419	* dynobj.cc (Versions::Versions): Initialize version_script_.
13420	Only insert base version symbol definition for a shared object
13421	if version script defines any version versions.
13422	(Versions::define_base_version): New method definition.
13423	(Versions::add_def): Check that base version is not needed.
13424	(Versions::add_need): Define base version lazily.
13425	* dynobj.h (Versions::define_base_version): New method declaration.
13426	(Versions::needs_base_version_): New data member declaration.
13427	* testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
13428	(check_DATA): Add no_version_test.stdout.
13429	(libno_version_test.so, no_version_test.o no_version_test.stdout):
13430	New make rules.
13431	* testsuite/Makefile.in: Regenerate.
13432	* testsuite/no_version_test.c: New file.
13433	* testsuite/no_version_test.sh: Ditto.
13434
134352009-10-16  Doug Kwan  <dougkwan@google.com>
13436
13437	* expression.cc (class Segment_start_expression): New class definition.
13438	(Segment_start_expression::value): New method definition.
13439	(script_exp_function_segment_start): Return a new
13440	Segment_start_expression.
13441	* script-c.h (script_saw_segment_start_expression): New function
13442	prototype.
13443	* script-sections.cc (Script_sections::Script_sections): Initialize
13444	SAW_SEGMENT_START_EXPRESSION_ to false.
13445	(Script_sections::set_section_addresses): Use -Ttext, -Tdata
13446	and -Tbbs options to specify section addresses if given in
13447	command line and no SEGMENT_START expression is seen in a script.
13448	* script-sections.h (Script_sections::saw_segment_start_expression,
13449	Script_sections::set_saw_segment_start_expression): New method
13450	definition.
13451	(Script_sections::saw_segment_start_expression_): New data member
13452	declaration.
13453	* script.cc (script_saw_segment_start_expression): New function.
13454	* yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
13455	* testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
13456	script_test_7.sh and script_test_8.sh.
13457	(check_DATA): Add script_test_6.stdout, script_test_7.stdout and
13458	script_test_8.stdout.
13459	(MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
13460	(script_test_6, script_test_6.stdout, script_test_7,
13461	script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
13462	* Makefile.in: Regenerate.
13463	* testsuite/script_test_6.sh: New file.
13464	* testsuite/script_test_6.t: Same.
13465	* testsuite/script_test_7.sh: Same.
13466	* testsuite/script_test_7.t: Same.
13467	* testsuite/script_test_8.sh: Same.
13468
134692009-10-16  Doug Kwan  <dougkwan@google.com>
13470
13471	* output.cc (Output_segment::set_section_list_address): Cast
13472	expressions to unsigned long long type to avoid format warnings.
13473
134742009-10-15  Ian Lance Taylor  <iant@google.com>
13475
13476	* script.cc (Script_options::add_symbol_assignment): Always add a
13477	dot assignment to script_sections_.
13478	* script-sections.cc (Script_sections::add_dot_assignment):
13479	Initialize if necessary.
13480
13481	* layout.cc (Layout::relaxation_loop_body): Don't crash if we see
13482	program headers with no load segment if there is a linker script.
13483
13484	* layout.cc (Layout::set_segment_offsets): Align the file offset
13485	to the segment aligment for -N or -n with no load segment.
13486	* output.cc (Output_segment::add_output_section): Don't crash if
13487	the first section is a TLS section.
13488	(Output_segment::set_section_list_addresses): Print an error
13489	message if the address moves backward in a linker script.
13490	* script-sections.cc
13491	(Output_section_element_input::set_section_addresses): Don't
13492	increase *dot_value for a SHF_TLS/SHT_NOBITS section.
13493	(Orphan_output_section::set_section_addresses): Likewise.
13494
134952009-10-15  Doug Kwan  <dougkwan@google.com>
13496
13497	* layout.cc (Layout::finish_dynamic_section): Generate tags
13498	DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
13499	DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
13500	used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
13501
135022009-10-14  Ian Lance Taylor  <iant@google.com>
13503
13504	* object.h (class Relocate_info): Add reloc_shdr and data_shdr
13505	fields.
13506	* object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
13507	data_shdr fields of relinfo.
13508	* i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
13509	(Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
13510	R_386_TLS_LDO_32, adjust based on section flags.
13511	(Target_i386::Relocate::fix_up_ldo): Remove.
13512
135132009-10-13  Ian Lance Taylor  <iant@google.com>
13514
13515	Add support for -pie.
13516	* options.h (class General_options): Add -pie and
13517	--pic-executable.
13518	(General_options::output_is_position_independent): Test -pie.
13519	(General_options::output_is_executable): Return true if not shared
13520	and not relocatable.
13521	(General_options::output_is_pie): Remove.
13522	* options.cc (General_options::finalize): Reject incompatible uses
13523	of -pie.
13524	* gold.cc (queue_middle_tasks): A -pie link is not static.
13525	* symtab.h (Symbol::needs_plt_entry): Return false if -pie.
13526	* symtab.cc (Symbol::final_value_is_known): Return false if
13527	output_is_position_independent.
13528	* layout.cc (Layout::set_segment_offsets): Start at address 0 if
13529	output_is_position_independent.
13530	* output.cc (Output_file_header::do_sized_write): Use ET_DYN if
13531	output_is_position_independent.
13532	* i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
13533	output_is_position_independent.
13534	* testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
13535	two_file_pie_test.
13536	(basic_pie_test.o, basic_pie_test): New targets.
13537	(two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
13538	(two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
13539	(two_file_pie_test): New target.
13540	* testsuite/Makefile.in: Rebuild.
13541	* README: Remove note saying that -pie is not supported.
13542
135432009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
13544
13545	* options.h (class General_options): Add -init and -fini.
13546	* layout.cc (Layout::finish_dynamic_section): Emit
13547	given init and fini functions.
13548
135492009-10-13  Sriraman Tallam  <tmsriram@google.com>
13550
13551	* gc.h (gc_process_relocs): Check if icf is enabled using new
13552	function.
13553	* gold.cc (queue_initial_tasks): Likewise.
13554	(queue_middle_tasks): Likewise.
13555	* object.cc (do_layout): Likewise.
13556	* symtab.cc (is_section_folded): Likewise.
13557	* main.cc (main): Likewise.
13558	* reloc.cc (Read_relocs::run): Likewise.
13559	(Sized_relobj::do_scan_relocs): Likewise.
13560	* icf.cc (is_function_ctor_or_dtor): New function.
13561	(Icf::find_identical_sections): Check if function is ctor or dtor when
13562	safe icf is chosen.
13563	* options.h (General_options::icf): Change option to be an enum.
13564	(Icf_status): New enum.
13565	(icf_enabled): New method.
13566	(icf_safe_folding): New method.
13567	(set_icf_status): New method.
13568	(icf_status_): New variable.
13569	* (options.cc) (General_options::finalize): Set icf_status_.
13570	* testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
13571	icf_test and icf_keep_unique_test to use the --icf enum flag.
13572	* testsuite/icf_safe_test.sh: New file.
13573	* testsuite/icf_safe_test.cc: New file.
13574
135752009-10-12  Sriraman Tallam  <tmsriram@google.com>
13576
13577	* symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
13578	includes to gc.h and icf.h.
13579	* arm.cc: Include gc.h.
13580	* gold.cc: Likewise.
13581	* i386.cc: Likewise.
13582	* powerpc.cc: Likewise.
13583	* sparc.cc: Likewise.
13584	* x86_64.cc: Likewise.
13585	* gc.h: Include icf.h.
13586
135872009-10-11  Ian Lance Taylor  <iant@google.com>
13588
13589	* plugin.cc: Include "gold.h" before other header files.
13590
135912009-10-10  Chris Demetriou  <cgd@google.com>
13592
13593	* options.h (Input_file_argument::Input_file_type): New enum.
13594	(Input_file_argument::is_lib_): Replace with...
13595	(Input_file_argument::type_): New member.
13596	(Input_file_argument::Input_file_argument): Take Input_file_type
13597	'type' rather than boolean 'is_lib' as second argument.
13598	(Input_file_argument::is_lib): Use type_.
13599	(Input_file_argument::is_searched_file): New function.
13600	(Input_file_argument::may_need_search): Handle is_searched_file.
13601	* options.cc (General_options::parse_library): Support -l:filename.
13602	(General_options::parse_just_symbols): Update for Input_file_argument
13603	changes.
13604	(Command_line::process): Likewise.
13605	* archive.cc (Archive::get_file_and_offset): Likewise.
13606	* plugin.cc (Plugin_manager::release_input_file): Likewise.
13607	* script.cc (read_script_file, script_add_file): Likewise.
13608	* fileread.cc (Input_file::Input_file): Likewise.
13609	(Input_file::will_search_for): Handle is_searched_file.
13610	(Input_file::open): Likewise.
13611	* readsyms.cc (Read_symbols::get_name): Likewise.
13612	* testsuite/Makefile.am (searched_file_test): New test.
13613	* testsuite/Makefile.in: Regenerate.
13614	* testsuite/searched_file_test.cc: New file.
13615	* testsuite/searched_file_test_lib.cc: New file.
13616
136172009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13618	    Ian Lance Taylor  <iant@google.com>
13619
13620	* descriptor.cc: Include <cstdio> and "binary-io.h".
13621	(Descriptors::open): Open the files in binary mode always.
13622	* script.cc (Lex::get_token): Treat \r as whitespace.
13623
136242009-10-09  Ian Lance Taylor  <iant@google.com>
13625
13626	* testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
13627
136282009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13629	    Ian Lance Taylor  <iant@google.com>
13630
13631	* configure.ac: Check for readv function also.
13632	* fileread.cc (readv): Define if not HAVE_READV.
13633	* fileread.h (File_read:: max_readv_entries): Set to 1 if readv
13634	does not exist.
13635	* config.in: Regenerate.
13636	* configure: Regenerate.
13637
136382009-10-09  Doug Kwan  <dougkwan@google.com>
13639
13640	* layout.cc (Layout::make_output_section): Call target hook to make
13641	ordinary output section.
13642	(Layout::finalize): Adjust parameter list of call the
13643	Target::may_relax().
13644	* layout.h (class Layout::section_list): New method.
13645	* merge.h (Output_merge_base::entsize): Change visibility to public.
13646	(Output_merge_base::is_string, Output_merge_base::do_is_string):
13647	New methods.
13648	(Output_merge_string::do_is_string): New method.
13649	* object.cc (Sized_relobj::do_setup): renamed from
13650	Sized_relobj::set_up.
13651	* object.h (Sized_relobj::adjust_shndx,
13652	Sized_relobj::initializ_input_to_output_maps,
13653	Sized_relobj::free_input_to_output_maps): Change visibilities to
13654	protected.
13655	(Sized_relobj::setup): Virtualize.
13656	(Sized_relobj::do_setup): New method declaration.
13657	(Sized_relobj::invalidate_section_offset,
13658	Sized_relobj::do_invalidate_section_offset): New method decfinitions.
13659	(Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
13660	* options.cc (parse_int): New function.
13661	* options.h (parse_int): New declaration.
13662	(DEFINE_int): New macro.
13663	(stub_group_size): New option.
13664	* output.cc (Output_section::Output_section): Initialize memebers
13665	merge_section_map_, merge_section_by_properties_map_,
13666	relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
13667	(Output_section::add_input_section): Handled deferred code-fill
13668	generation and remove an old comment.
13669	(Output_section::add_relaxed_input_section): New method definition.
13670	(Output_section::add_merge_input_section): Use merge section by
13671	properties map to speed to search.  Update merge section maps
13672	as appropriate.
13673	(Output_section::build_relaxation_map): New method definition.
13674	(Output_section::convert_input_sections_in_list_to_relaxed_sections):
13675	Same.
13676	(Output_section::relax_input_section): Renamed to
13677	Output_section::convert_input_sections_to_relaxed_sections and change
13678	interface to take a vector of pointers to relaxed sections.
13679	(Output_section::find_merge_section,
13680	Output_section::find_relaxed_input_section): New method definitions.
13681	(Output_section::is_input_address_mapped,
13682	Output_section::output_offset, Output_section::output_address):
13683	Use output section data maps to speed up searching.
13684	(Output_section::find_starting_output_address): Add comments.
13685	(Output_section::do_write,
13686	Output_section::write_to_postprocessing_buffer): Do code-fill
13687	generation as appropriate.
13688	(Output_section::get_input_sections): Invalidate relaxed input section
13689	map.
13690	(Output_section::restore_states): Adjust type of checkpoint .
13691	Invalidate relaxed input section map.
13692	* output.h (Output_merge_base): New class declaration.
13693	(Input_section_specifier): New class defintion.
13694	(class Output_relaxed_input_section) Change base class to
13695	Output_section_data_build.
13696	(Output_relaxed_input_section::Output_relaxed_input_section): Adjust
13697	base class initializer.
13698	(Output_section::add_relaxed_input_section): New method declaration.
13699	(Output_section::Input_section): Change visibility to protected.
13700	(Output_section::Input_section::relobj,
13701	Output_section::Input_section::shndx): Handle relaxed input sections.
13702	Output_section::input_sections) Change visibility to protected.  Also
13703	define overload to return a non-const pointer.
13704	(Output_section::Merge_section_properties): New class defintion.
13705	(Output_section::Merge_section_by_properties_map,
13706	Output_section::Output_section_data_by_input_section_map,
13707	Output_section::Relaxation_map): New types.
13708	(Output_section::relax_input_section): Rename method to
13709	Output_section::convert_input_sections_to_relaxed_sections and change
13710	interface to take a vector of relaxed section pointers.
13711	(Output_section::find_merge_section,
13712	Output_section::find_relaxed_input_section,
13713	Output_section::build_relaxation_map,
13714	Output_section::convert_input_sections_in_list_to_relaxed_sections):
13715	New method declarations.
13716	(Output_section::merge_section_map_
13717	Output_section::merge_section_by_properties_map_,
13718	Output_section::relaxed_input_section_map_,
13719	Output_section::is_relaxed_input_section_map_valid_,
13720	Output_section::generate_code_fills_at_write_): New data members.
13721	* script-sections.cc
13722	(Output_section_element_input::set_section_addresses): Call
13723	current_data_size and addralign methods of relaxed input sections.
13724	(Orphan_output_section::set_section_addresses): Call current_data_size
13725	and addralign methods of relaxed input sections.
13726	* symtab.cc (Symbol_table::compute_final_value): Extract template
13727	from the body of Symbol_table::sized_finalize_symbol.
13728	(Symbol_table::sized_finalized_symbol): Call
13729	Symbol_table::compute_final_value.
13730	* symtab.h (Symbol_table::Compute_final_value_status): New enum type.
13731	(Symbol_table::compute_final_value): New templated method declaration.
13732	* target.cc (Target::do_make_output_section): New method defintion.
13733	* target.h (Target::make_output_section): New method declaration.
13734	(Target::relax): Add more parameters for input objects, symbol table
13735	and layout.  Adjust call to do_relax.
13736	(Target::do_make_output_section): New method declaration.
13737	(Target::do_relax): Add parameters for input objects, symbol table
13738	and layout.
13739
137402009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13741
13742	* pread.c: Include stdio.h.
13743
137442009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13745
13746	* plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
13747	defined.
13748
137492009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13750
13751	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
13752	Change read_shndx type to unsigned int.
13753	(Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
13754	int.
13755	(Sized_dwarf_line_info::read_line_mappings): Likewise.
13756	* dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
13757	Change read_shndx type to unsigned int.
13758	(Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
13759	int.
13760	(Sized_dwarf_line_info::read_line_mappings): Likewise.
13761	* layout.cc (Layout::create_symtab_sections): Cast the result of
13762	local_symcount * symsize to off_t in the gold_assert.
13763
137642009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
13765
13766	* arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
13767	R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
13768	R_ARM_BASE_ABS.
13769	(Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
13770	(Arm_relocate_functions::thm_abs5): New function.
13771	(Arm_relocate_functions::abs12): New function.
13772	(Arm_relocate_functions::abs16): New function.
13773	(Arm_relocate_functions::base_abs): New function.
13774	(Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
13775	(Scan::local): Remove special handling of R_ARM_ABS8.  Handle
13776	R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
13777	R_ARM_BASE_ABS.
13778	(Scan::global): Likewise.
13779	(Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
13780	R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
13781	(Relocatable_size_for_reloc::get_size_for_reloc): Handle
13782	R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
13783	R_ARM_BASE_ABS.
13784
137852009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
13786
13787	* arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
13788	(Arm_relocate_functions::movt_prel): New function.
13789	(Arm_relocate_functions::thm_movw_prel_nc): New function.
13790	(Arm_relocate_functions::thm_movt_prel): New function.
13791	(Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
13792	R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
13793	(Scan::global, Relocate::relocate): Likewise.
13794	(Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
13795
137962009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
13797
13798	* gold.cc: (queue_initial_tasks): Pass incremental_inputs to
13799	Incremental_checker.
13800	* incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
13801	unsigned int.
13802	(class Incremental_inputs_header): New class.
13803	(Incremental_inputs_header_writer): Edit comment.
13804	(Incremental_inputs_entry): New class.
13805	(Incremental_inputs_entry_writer): Edit comment.
13806	(Sized_incremental_binary::do_find_incremental_inputs_section):
13807	Add *strtab_shndx parameter, fill it.
13808	(Sized_incremental_binary::do_check_inputs): New method.
13809	(Incremental_checker::can_incrementally_link_output_file): Use
13810	Sized_incremental_binary::check_inputs.
13811	(Incremental_inputs::report_command_line): Save command line in
13812	command_line_.
13813	* incremental.h:
13814	(Incremental_binary::find_incremental_inputs_section): New
13815	method.
13816	(Incremental_binary::do_find_incremental_inputs_section): Add
13817	strtab_shndx parameter.
13818	(Incremental_binary::do_check_inputs): New pure virtual method.
13819	(Sized_incremental_binary::do_check_inputs): Declare.
13820	(Incremental_checker::Incremental_checker): Add incremental_inputs
13821	parameter, use it to initialize incremental_inputs_.
13822	(Incremental_checker::incremental_inputs_): New field.
13823	(Incremental_checker::command_line): New method.
13824	(Incremental_checker::inputs): New method.
13825	(Incremental_checker::command_line_): New field.
13826
138272009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
13828
13829	* incremental.cc: Include <cstdarg> and "target-select.h".
13830	(vexplain_no_incremental): New function.
13831	(explain_no_incremental): New function.
13832	(Incremental_binary::error): New method.
13833	(Sized_incremental_binary::do_find_incremental_inputs_section): New
13834	method.
13835	(make_sized_incremental_binary): New function.
13836	(open_incremental_binary): New function.
13837	(can_incrementally_link_file): Add checks if output is ELF and has
13838	inputs section.
13839	* incremental.h: Include "elfcpp_file.h" and "output.h".
13840	(Incremental_binary): New class.
13841	(Sized_incremental_binary): New class.
13842	(open_incremental_binary): Declare.
13843	* object.cc (is_elf_object): Use
13844	elfcpp::Elf_recognizer::is_elf_file.
13845	(make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
13846	* output.h (Output_file::filesize): New method.
13847
138482009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
13849
13850	* arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
13851	New function.
13852	(Arm_relocate_functions::insert_val_arm_movw_movt): New function.
13853	(Arm_relocate_functions::extract_thumb_movw_movt_addend): New
13854	function.
13855	(Arm_relocate_functions::insert_val_thumb_movw_movt): New
13856	function.
13857	(Arm_relocate_functions::movw_abs_nc): New function.
13858	(Arm_relocate_functions::movt_abs): New function.
13859	(Arm_relocate_functions::thm_movw_abs_nc): New function.
13860	(Arm_relocate_functions::thm_movt_abs): New function.
13861	(Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
13862	R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
13863	(Scan::global): Likewise.
13864	(Relocate::relocate): Likewise.
13865	(Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
13866
138672009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
13868
13869	* arm.cc (Arm_relocate_functions::got_prel) New function.
13870	(Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
13871	(Relocate::relocate): Likewise.
13872	(Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
13873
138742009-10-06  Ian Lance Taylor  <iant@google.com>
13875
13876	* options.h (class General_options): Define
13877	split_stack_adjust_size parameter.
13878	* object.h (class Object): Add uses_split_stack_ and
13879	has_no_split_stack_ fields.  Add uses_split_stack and
13880	has_no_split_stack accessor functions.  Declare
13881	handle_split_stack_section.
13882	(class Reloc_symbol_changes): Define.
13883	(class Sized_relobj): Define Function_offsets.  Declare
13884	split_stack_adjust, split_stack_adjust_reltype, and
13885	find_functions.
13886	* object.cc (Object::handle_split_stack_section): New function.
13887	(Sized_relobj::do_layout): Call handle_split_stack_section.
13888	* dynobj.cc (Sized_dynobj::do_layout): Call
13889	handle_split_stack_section.
13890	* reloc.cc (Sized_relobj::relocate_sections): Call
13891	split_stack_adjust for executable sections in split_stack
13892	objects.  Pass reloc_map to relocate_section.
13893	(Sized_relobj::split_stack_adjust): New function.
13894	(Sized_relobj::split_stack_adjust_reltype): New function.
13895	(Sized_relobj::find_functions): New function.
13896	* target-reloc.h: Include "object.h".
13897	(relocate_section): Add reloc_symbol_changes parameter.  Change
13898	all callers.
13899	* target.h (class Target): Add calls_non_split method.  Declare
13900	do_calls_non_split virtual method.  Declare match_view and
13901	set_view_to_nop.
13902	* target.cc: Include "elfcpp.h".
13903	(Target::do_calls_non_split): New function.
13904	(Target::match_view): New function.
13905	(Target::set_view_to_nop): New function.
13906	* gold.cc (queue_middle_tasks): Give an error if mixing
13907	split-stack and non-split-stack objects with -r.
13908	* i386.cc (Target_i386::relocate_section): Add
13909	reloc_symbol_changes parameter.
13910	(Target_i386::do_calls_non_split): New function.
13911	* x86_64.cc (Target_x86_64::relocate_section): Add
13912	reloc_symbol_changes parameter.
13913	(Target_x86_64::do_calls_non_split): New function.
13914	* arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
13915	parameter.
13916	* powerpc.cc (Target_powerpc::relocate_section): Add
13917	reloc_symbol_changes parameter.
13918	* sparc.cc (Target_sparc::relocate_section): Add
13919	reloc_symbol_changes parameter.
13920	* configure.ac: Call AM_CONDITIONAL for the default target.
13921	* configure: Rebuild.
13922	* testsuite/Makefile.am (TEST_AS): New variable.
13923	(check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
13924	(check_DATA): Add split_i386 and split_x86_64 files.
13925	(SPLIT_DEFSYMS): Define.
13926	(split_i386_[1234n].o): New targets.
13927	(split_i386_[124]): New targets.
13928	(split_i386_[1234r].stdout): New targets.
13929	(split_x86_64_[1234n].o): New targets.
13930	(split_x86_64_[124]): New targets.
13931	(split_x86_64_[1234r].stdout): New targets.
13932	(MOSTLYCLEANFILES): Add new executables.
13933	* testsuite/split_i386.sh: New file.
13934	* testsuite/split_x86_64.sh: New file.
13935	* testsuite/split_i386_1.s: New file.
13936	* testsuite/split_i386_2.s: New file.
13937	* testsuite/split_i386_3.s: New file.
13938	* testsuite/split_i386_4.s: New file.
13939	* testsuite/split_i386_n.s: New file.
13940	* testsuite/split_x86_64_1.s: New file.
13941	* testsuite/split_x86_64_2.s: New file.
13942	* testsuite/split_x86_64_3.s: New file.
13943	* testsuite/split_x86_64_4.s: New file.
13944	* testsuite/split_x86_64_n.s: New file.
13945	* testsuite/testfile.cc (Target_test): Update relocation_section
13946	function.
13947	* testsuite/Makefile.in: Rebuild.
13948
139492009-10-06  Ian Lance Taylor  <iant@google.com>
13950
13951	* i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
13952	(Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
13953	changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
13954	handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
13955	the address on ldo_addrs_.
13956	(Target_i386::Relocate::fix_up_ldo): New function.
13957
139582009-10-06   Rafael Espindola  <espindola@google.com>
13959
13960	* plugin.cc (add_input_library): New.
13961	(Plugin::load): Add add_input_library to tv.
13962	(Plugin_manager::add_input_file): Add the is_lib argument.
13963	(add_input_file): Update call to Plugin_manager::add_input_file.
13964	(add_input_library): New.
13965	* plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
13966
139672009-09-30  Doug Kwan  <dougkwan@google.com>
13968
13969	* arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
13970	symbol and call Symbol::may_need_copy_reloc to determine if
13971	a copy reloc is needed.
13972	* copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
13973	nocopyreloc is given in command line.
13974	(Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
13975	given in command line.
13976	* i386.cc (Target_i386::may_need_copy_reloc): Remove.
13977	(Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
13978	of the removed Target_i386::may_need_copy_reloc.
13979	* options.h (copyreloc): New option with default value false.
13980	* powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
13981	(Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
13982	instead of the removed Target_powerpc::may_need_copy_reloc.
13983	* sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
13984	(Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
13985	instead of the removed Target_sparc::may_need_copy_reloc.
13986	* symtab.h (Symbol::may_need_copy_reloc): New method definition.
13987	* x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
13988	(Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
13989	instead of the removed Target_x86_64::may_need_copy_reloc.
13990
139912009-09-30  Ian Lance Taylor  <iant@google.com>
13992
13993	* object.h (class Object): Remove target_ field, and target,
13994	sized_target, and set_target methods.
13995	(Object::sized_target): Remove.
13996	(class Sized_relobj): Update declarations.  Remove sized_target.
13997	* object.cc (Sized_relobj::setup): Remove target parameter.
13998	Change all callers.
13999	(Input_objects::add_object): Don't do anything with the target.
14000	(make_elf_sized_object): Add punconfigured parameter.  Change all
14001	callers.  Set or test parameter target.
14002	* dynobj.cc (Sized_dynobj::target): Remove target parameter.
14003	Change all callers.
14004	* parameters.cc (Parameters::set_target): Change parameter type to
14005	be non-const.
14006	(Parameters::default_target): Remove.
14007	(set_parameters_target): Change parameter type to be non-const.
14008	(parameters_force_valid_target): New function.
14009	(parameters_clear_target): New function.
14010	* parameters.h (class Parameters): Update declarations.  Remove
14011	default_target method.  Add sized_target and clear_target
14012	methods.  Change target_ to be non-const.
14013	(set_parameters_target): Update declaration.
14014	(parameters_force_valid_target): Declare.
14015	(parameters_clear_target): Declare.
14016	* readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
14017	as NULL if we aren't searching.
14018	(Add_symbols::run): Don't check for compatible target.
14019	* fileread.cc (Input_file::open_binary): Call
14020	parameters_force_valid_target.
14021	* gold.cc (queue_middle_tasks): Likewise.
14022	* plugin.cc (make_sized_plugin_object): Likewise.  Don't call
14023	set_target on object.
14024	* dynobj.h (class Sized_dynobj): Update declarations.
14025	* archive.cc (Archive::get_elf_object_for_member): Return NULL if
14026	make_elf_object returns NULL.
14027	(Archive::include_member): Don't check whether object target is
14028	compatible.
14029	* output.cc (Output_section::add_input_section): Get target from
14030	parameters.
14031	(Output_section::relax_input_section): Likewise.
14032	* reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
14033	parameters.
14034	(Sized_relobj::do_scan_relocs): Likewise.
14035	(Sized_relobj::relocate_sections): Likewise.
14036	* resolve.cc (Symbol_table::resolve): Likewise.
14037	* symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
14038	parameter.  Change all callers.
14039	(Symbol_table::add_from_object): Get target from parameters.
14040	(Symbol_table::add_from_relobj): Don't check object target.
14041	(Symbol_table::add_from_dynobj): Likewise.
14042	(Symbol_table::define_special_symbol): Get target from
14043	parameters.
14044	* symtab.h (class Symbol_table): Update declaration.
14045	* testsuite/binary_unittest.cc (gold_testsuite): Remove target
14046	parameter.  Change all callers.  Clear parameter target.
14047	(Binary_test): Test target here.
14048	* testsuite/object_unittest.cc (gold_testsuite): Remove
14049	target_test_pointer parameter.  Change all callers.
14050	(Object_test): Test target here.
14051
140522009-09-26  Ian Lance Taylor  <iant@google.com>
14053
14054	* testsuite/initpri1.c: Don't try to use constructor priorities if
14055	compiling with gcc before 4.3.
14056
140572009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
14058
14059	* testsuite/retain_symbols_file_test.sh (check_present): Change
14060	output file name to retain_symbols_file_test.stdout.
14061	(check_absent): Likewise.
14062
140632009-09-18  Craig Silverstein  <csilvers@google.com>
14064
14065	* object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
14066	* options.cc: Include <cerrno> and <fstream>.
14067	(General_options::finalize): Parse -retain-symbols-file tag.
14068	* options.h: New flag.
14069	(General_options): New method should_retain_symbol, new
14070	variable symbols_to_retain.
14071	* symtab.cc (Symbol_table::sized_finalize_symbol): Test
14072	should_retain_symbol map.
14073	* testsuite/Makefile.am (retain_symbols_file_test): New test.
14074	* testsuite/Makefile.in: Regenerate.
14075	* testsuite/retain_symbols_file_test.sh: New file.
14076
140772009-09-18  Nick Clifton  <nickc@redhat.com>
14078
14079	* po/es.po: Updated Spanish translation.
14080
140812009-09-17  Doug Kwan  <dougkwan@google.com>
14082
14083	* debug.h (DEBUG_RELAXATION): New constant.
14084	(DEBUG_ALL): Add DEBUG_RELAXATION.
14085	(debug_string_to_enum): Add relaxation debug option.
14086	* layout.cc
14087	(Layout::Relaxation_debug_check::check_output_data_for_reset_values,
14088	Layout::Relaxation_debug_check::read_sections,
14089	Layout::Relaxation_debug_check::read_sections): New method definitions.
14090	(Layout::Layout): Initialize data members
14091	record_output_section_data_from_scrips_,
14092	script_output_section_data_list_ and relaxation_debug_check_.
14093	(Layout::save_segments, Layout::restore_segments,
14094	Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
14095	Layout::relaxation_loop_body): New method definitions.
14096	(Layout::finalize): Support relaxation.  Move section layout code to
14097	Layout::relaxation_loop_body.
14098	(Layout::set_asection_address_from_script): Move code for orphan
14099	section placement out.
14100	(Layout::place_orphan_sections_in_script): New method definition.
14101	* layout.h (Output_segment_headers, Output_file_header):
14102	New forward class declarations.
14103	(Layout::~Layout): Define.
14104	(Layout::new_output_section_data_from_script): New method definition.
14105	(Layout::place_orphan_sections_in_script): New method declaration.
14106	(Layout::Segment_states): New type declaration.
14107	(Layout::save_segments, Layout::restore_segments,
14108	Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
14109	Layout::relaxation_loop_body): New method declarations.
14110	(Layout::Output_section_data_list): New type declaration.
14111	(Layout::Relaxation_debug_check): New class definition.
14112	(Layout::record_output_section_data_from_script_,
14113	Layout::script_output_section_data_list_, Layout::segment_states_,
14114	Layout::relaxation_debug_check_): New data members.
14115	* output.cc: (Output_section_headers::do_size): New method definition.
14116	(Output_section_headers::Output_section_headers): Move size
14117	computation to Output_section_headers::do_size.
14118	(Output_segment_headers::do_size): New method definition.
14119	(Output_file_header::Output_file_header): Move size computation to
14120	Output_file_header::do_size and call it.
14121	(Output_file_header::do_size): New method definition.
14122	(Output_data_group::Output_data_group): Adjust call to
14123	Output_section_data.
14124	(Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
14125	(Output_symtab_xindex::do_write): Add array bound check.
14126	(Output_section::Input_section::print_to_mapfile): Handle
14127	RELAXED_INPUT_SECTION_CODE.
14128	(Output_section::Output_section): Initialize data member checkpoint_.
14129	(Output_section::~Output_section): Delete checkpoint object pointed
14130	by checkpoint_.
14131	(Output_section::add_input_section): Always add an Input_section if
14132	relaxing.
14133	(Output_section::add_merge_input_section): Add assert.
14134	(Output_section::relax_input_section): New method definition.
14135	(Output_section::set_final_data_size): Set load address to zero for
14136	an unallocated section.
14137	(Output_section::do_address_and_file_offset_have_reset_values):
14138	New method definition.
14139	(Output_section::Input_section_sort_enty::Input_section_sort_enty):
14140	Handle relaxed input section.
14141	(Output_section::sort_attached_input_sections): Checkpoint input
14142	section list lazily.
14143	(Output_section::get_input_sections): Change type of input_sections to
14144	list of Simple_input_section pointers.  Checkpoint input section list
14145	lazily.  Also handle relaxed input sections.
14146	(Output_section::add_input_section_for_script): Take a reference to
14147	a Simple_input_section object instead of Relobj pointer and section
14148	index as parameter.  Handle relaxed input sections.
14149	(Output_section::save_states, Output_section::restore_states): New
14150	method definitions.
14151	* output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
14152	(Output_data::is_data_size_fixed): New method definition.
14153	(Output_data::reset_addresss_and_file_offset): Do not reset data size
14154	if it is fixed.
14155	(Output_data::address_and_file_offset_have_reset_values): New method
14156	definition.
14157	(Output_data::do_address_and_file_offset_have_reset_values): New method
14158	definition.
14159	(Output_data::set_data_size): Check that data size is not fixed.
14160	(Output_data::fix_data_size): New method definition.
14161	(Output_data::is_data_size_fixed_): New data member.
14162	(Output_section_headers::set_final_data_size): New method definition.
14163	(Output_section_headers::do_size): New method declaration.
14164	(Output_segment_headers::set_final_data_size): New method definition.
14165	(Output_segment_headers::do_size): New method declaration.
14166	(Output_file_header::set_final_data_size)::New method definition.
14167	(Output_file_header::do_size)::New method declaration.
14168	(Output_section_data::Output_section_data): Add new parameter
14169	is_data_size_fixed and use it to fix data size.
14170	(Output_data_const::Output_data_const): Adjust call to base class
14171	constructor and fix data size.
14172	(Output_data_const_buffer::Output_data_const_buffer): Adjust call to
14173	base class constructor and fix data size.
14174	(Output_data_fixed_space::Output_data_fixed_space): Adjust call to
14175	base class constructor and fix data size.
14176	(Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
14177	class constructor and fix data size.
14178	(Output_data_group::set_final_data_size): New method definition.
14179	(Output_data_dynamic::Dynamic_entry::tag): New method definition.
14180	(Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
14181	class constructor and fix data size.
14182	(Output_relaxed_input_section): New class definition.
14183	(Output_section::Simple_input_section): New class definition.
14184	(Output_section::get_input_sections): Adjust parameter list.
14185	(Output_section::add_input_section_for_script): Same.
14186	(Output_section::save_states, Output_section::restore_states,
14187	Output_section::do_address_and_file_offset_have_reset_values,
14188	(Output_section::Input_section::Input_section): Handle
14189	RELAXED_INPUT_SECTION_CODE.  Add new overload for
14190	Output_relaxed_input_section.
14191	(Output_section::Input_section::is_input_section,
14192	Output_section::Input_section::set_output_section): Handle relaxed
14193	input section.
14194	(Output_section::Input_section::is_relaxed_input_section,
14195	Output_section::Input_section::output_section_data,
14196	Output_section::Input_section::relaxed_input_section): New method
14197	definitions.
14198	(Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
14199	value.
14200	(Output_section::Input_section::u1_): Update comments.
14201	(Output_section::Input_section::u2_): Add new union member poris.
14202	(Output_section::Checkpoint_output_section): New classs definition.
14203	(Output_section::relax_input_section): New method declaration.
14204	(Output_section::checkpoint_): New data member.
14205	(Output_segment): Update comments.
14206	(Output_segment::Output_segment): Un-privatize copy constructor.
14207	(Output_segment::operator=): Un-privatize.
14208	* script-sections.cc (Output_section_element::Input_section_list):
14209	Change element type to Output_section::Simple_input_section.
14210	(Output_section_element_dot_assignment::set_section_addresses):
14211	Register output section data for relaxation clean up.
14212	(Output_data_exression::Output_data_expression): Adjust call to base
14213	constructor to fix data size.
14214	(Output_section_element_data::set_section_addresses): Register
14215	Output_data_expression object for relaxation clean up.
14216	(struct Input_section_info): Replace Relobj pointer and section index
14217	pair with Output_section::Simple_input_section and Convert struct to a
14218	class.
14219	(Input_section_sorter::operator()): Adjust access to
14220	Input_section_info data member to use accessors.
14221	(Output_section_element_input::set_section_addresses): Use layout
14222	parameter.  Adjust code to use Output_section::Simple_input_section
14223	and Input_secction_info classes.  Register filler for relaxation
14224	clean up.
14225	(Orphan_output_section::set_section_addresses): Replace Relobj pointer
14226	and section index pair with Output_section::Simple_input_section
14227	class.  Adjust code accordingly.
14228	(Phdrs_element::release_segment): New method definition.
14229	(Script_sections::attach_sections_using_phdrs_clause): Do not modify
14230	segment list.
14231	(Script_sections::release_segments): New method definition.
14232	* script-sections.h (Script_sections::release_segments): New
14233	method declaration.
14234	* target.h (Target::may_relax, Target::relax,
14235	Target::do_may_relax, Target::do_relax): New method definitions.
14236
142372009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
14238
14239	* arm.cc (has_signed_unsigned_overflow): New function.
14240	(Arm_relocate_functions::abs8): New function.
14241	(Target_arm::Scan::local): Handle R_ARM_ABS8.
14242	(Target_arm::Scan::global): Likewise.
14243	(Target_arm::relocate::relocate): Likewise.
14244	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
14245	Likewise.
14246
142472009-09-16  Cary Coutant  <ccoutant@google.com>
14248
14249	* testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
14250	* testsuite/Makefile.in: Regenerate.
14251
142522009-09-11  Nick Clifton  <nickc@redhat.com>
14253
14254	* po/gold.pot: Updated by the Translation project.
14255
142562009-09-08  Cary Coutant  <ccoutant@google.com>
14257
14258	* output.cc (Output_file::open): Add execute permission to empty file.
14259	* testsuite/Makefile.am (permission_test): New test.
14260	* testsuite/Makefile.in: Regenerate.
14261
142622009-09-02  Ian Lance Taylor  <iant@google.com>
14263
14264	* output.cc (Output_file::resize): Call map_no_anonymous rather
14265	than map.
14266
142672009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
14268
14269	* gold.cc: Include "incremental.h".
14270	(queue_initial_tasks): Call Incremental_checker methods.
14271	* incremental.cc: Include "output.h".
14272	(Incremental_checker::can_incrementally_link_output_file): New
14273	method.
14274	* incremental.h (Incremental_checker): New class.
14275
14276	* output.cc (Output_file::open_for_modification): New method.
14277	(Output_file::map_anonymous): Changed return type to bool.  Record
14278	map in base_ field.
14279	(Output_file::map_no_anonymous): New method, broken out of map.
14280	(Output_file::map): Use map_no_anonymous and map_anonymous.
14281	* output.h (class Output_file): Update declarations.
14282
142832009-08-24  Cary Coutant  <ccoutant@google.com>
14284
14285	* options.h (Command_line::Pre_options): New class.
14286	(Command_line::pre_options): New member.
14287	* options.cc (gold::options::ready_to_register): New variable.
14288	(One_option::register_option): Do nothing if not registering options.
14289	Assert if same short option registered twice.
14290	(General_options::General_options): Turn off option registration when
14291	done constructing.
14292	(Command_line::Pre_options::Pre_options): New constructor.
14293
142942009-08-24  Cary Coutant  <ccoutant@google.com>
14295
14296	* options.h (General_options::no_keep_memory): Remove incorrect
14297	short option.
14298
142992009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14300
14301	* Makefile.am (am__skiplex, am__skipyacc): New.
14302	* Makefile.in: Regenerate.
14303
143042009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14305
14306	* Makefile.am (AM_CPPFLAGS): Renamed from ...
14307	(INCLUDES): ... this.
14308	* testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
14309	(AM_CPPFLAGS): Renamed from ...
14310	(INCLUDE): ... this.
14311	* Makefile.in, testsuite/Makefile.in: Regenerate.
14312
14313	* Makefile.in: Regenerate.
14314	* aclocal.m4: Likewise.
14315	* config.in: Likewise.
14316	* configure: Likewise.
14317	* testsuite/Makefile.in: Likewise.
14318
14319	* Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
14320	* testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
14321	* Makefile.in: Regenerate.
14322	* testsuite/Makefile.in: Regenerate.
14323
143242009-08-19  Cary Coutant  <ccoutant@google.com>
14325
14326	* resolve.cc (Symbol_table::resolve): Don't complain about defined
14327	symbols in shared libraries overridden by hidden or internal symbols
14328	in the main program.
14329
143302009-08-19  Chris Demetriou  <cgd@google.com>
14331
14332	* testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
14333	checking source file names in error messages.
14334
143352009-08-18  Doug Kwan  <dougkwan@google.com>
14336
14337	* dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
14338	an elcpp::Ehdr as parameter.  Adjust call to set_target.
14339	* dynobj.h (Sized_dynobj::setup): Take a Target object instead of
14340	an elfcpp::Ehdr as parameter.
14341	* object.cc (Object::set_target): Remove the version that looks up
14342	a target and sets it.
14343	(Sized_relobj::setup): Take a Target object instead of
14344	an elfcpp::Ehdr as parameter.  Adjust call to set_target.
14345	(make_elf_sized_object): Find target and ask target to
14346	make an ELF object.
14347	* object.h: (Object::set_target): Remove the version that looks up
14348	a target and sets it.
14349	(Sized_relobj::setup): Take a Target object instead of
14350	an elfcpp:Ehdr as parameter.
14351	* target.cc: Include dynobj.h.
14352	(Target::do_make_elf_object_implementation): New.
14353	(Target::do_make_elf_object): New.
14354	* target.h (Target::make_elf_object): New template declaration.
14355	(Target::do_make_elf_object): New method declarations.
14356	(Target::do_make_elf_object_implementation): New template declaration.
14357
143582009-08-14  Ian Lance Taylor  <iant@google.com>
14359
14360	* gold.h (FUNCTION_NAME): Define.
14361	(gold_unreachable): Use FUNCTION_NAME.
14362
143632009-08-12  Sriraman Tallam  <tmsriram@google.com>
14364
14365	* icf.cc (Icf::find_identical_sections): Issue a warning when a
14366	symbol in the --keep-unique list is not found.
14367
143682009-08-12  Sriraman Tallam  <tmsriram@google.com>
14369
14370	* icf.cc (Icf::find_identical_sections): Unfold symbols that have
14371	been maked as --keep-unique.
14372	(Icf::unfold_section): New function.
14373	* icf.h (Icf::unfold_section): New function.
14374	* options.h (General_options::keep_unique): New option.
14375	* testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
14376	* testsuite/Makefile.in: Regenerate.
14377	* testsuite/icf_keep_unique_test.sh: New file.
14378	* testsuite/icf_keep_unique_test.cc: New file.
14379
143802009-08-12  Cary Coutant  <ccoutant@google.com>
14381
14382	PR 10471
14383	* resolve.cc (Symbol_table::resolve): Check for references from
14384	dynamic objects to hidden and internal symbols.
14385	* testsuite/Makefile.am (hidden_test.sh): New test.
14386	* testsuite/Makefile.in: Regenerate.
14387	* testsuite/hidden_test.sh: New script.
14388	* testsuite/hidden_test_1.c: New test source.
14389	* testsuite/hidden_test_main.c: New test source.
14390
143912009-08-11  Doug Kwan  <dougkwan@google.com>
14392
14393	* arm.cc: Update comments.
14394	(Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
14395	segment to locate the .ARM.exidx section if present.
14396
143972009-08-09  Doug Kwan  <dougkwan@google.com>
14398
14399	* dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
14400	patch.
14401
144022009-08-07  Sriraman Tallam  <tmsriram@google.com>
14403	* dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
14404	compiler warnings.
14405
144062009-08-06  Sriraman Tallam  <tmsriram@google.com>
14407
14408	* x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
14409	valid tls_segment only for non-debug-section relocations.
14410	* testsuite/Makefile.am: Add gc_tls_test.
14411	* testsuite/Makefile.in: Regenerate.
14412	* testsuite/gc_tls_test.cc: New file.
14413	* testsuite/gc_tls_test.sh: New file.
14414
144152009-08-05  Sriraman Tallam  <tmsriram@google.com>
14416
14417	* icf.cc: New file.
14418	* icf.h: New file.
14419	* Makefile.am (CCFILES): Add icf.cc.
14420	(HFILES): Add icf.h
14421	* Makefile.in: Regenerate.
14422	* dynobj.h (Sized_dynobj::do_section_entsize): New function.
14423	* gc.h (gc_process_relocs): Populate lists used by icf to contain
14424	section, symbol and addend information for the relocs.
14425	* gold.cc (queue_middle_tasks): Call identical code folding.
14426	* gold.h: Add defines for multimap.
14427	* layout.cc (Layout::create_symtab_sections): Add symtab as parameter
14428	to the call of finalize_local_symbols.
14429	* main.cc (main): Create object of class Icf.
14430	* object.cc (Sized_relobj::do_layout): Allow this function to be
14431	called twice during icf.
14432	(Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
14433	to sections marked as identical by icf.
14434	(Sized_relobj::do_section_flags): Get section_flags from Symbols_data
14435	when available.
14436	(Sized_relobj::do_section_entsize): New function.
14437	* object.h (Object::section_entsize): New function.
14438	(Object::do_section_entsize): New pure virtual function.
14439	(Relobj::finalize_local_symbols): Add new parameter.
14440	(Relobj::do_section_entsize): New function.
14441	* options.h (General_options::icf): New option.
14442	(General_options::icf_iterations): New option.
14443	(General_options::print_icf_sections): New option.
14444	* plugin.cc (Sized_pluginobj::do_section_entsize): New function.
14445	* plugin.h (Sized_pluginobj::do_section_entsize): New function.
14446	* reloc.cc (Read_relocs::run): Delay scanning relocs when doing
14447	icf.
14448	* symtab.cc (Symbol_table::is_section_folded): New function.
14449	(Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
14450	to sections marked as identical by icf.
14451	* symtab.h (Symbol_table::set_icf): New function.
14452	(Symbol_table::icf): New function.
14453	(Symbol_table::is_section_folded): New function.
14454	(Symbol_table::icf_): New data member.
14455	* target-reloc.h (relocate_section): Ignore sections folded by icf.
14456	* testsuite/Makefile.am: Add commands to build icf_test.
14457	* testsuite/Makefile.in: Regenerate.
14458	* testsuite/icf_test.sh: New file.
14459	* testsuite/icf_test.cc: New file.
14460
144612009-07-24  Chris Demetriou  <cgd@google.com>
14462
14463	* layout.cc (is_compressible_debug_section): Fix incorrect
14464	comment about compressed section names.
14465
144662009-07-20  Ian Lance Taylor  <ian@airs.com>
14467
14468	PR 10419
14469	* x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
14470
144712009-07-16  Ian Lance Taylor  <iant@google.com>
14472
14473	PR 10400
14474	* layout.h: #include <map>.
14475	(class Kept_section): Change from struct to class.  Add accessors
14476	and setters.  Add section size to Comdat_group mapping.  Change
14477	Comdat_group to std::map.  Add is_comdat_ field.  Add
14478	linkonce_size field in union.
14479	(class Layout): Update declaration of find_or_add_kept_section.
14480	Don't declare find_kept_object.
14481	* layout.cc (Layout::find_or_add_kept_section): Remove candidate
14482	parameter.  Add object, shndx, is_comdat, and is_group_name
14483	parameters.  Change all callers.  Adjust for new Kept_section.
14484	(Layout::find_kept_object): Remove.
14485	* object.cc (Sized_relobj::include_section_group): Update use of
14486	Kept_section.  Rename secnum to shndx.  Only record
14487	Kept_comdat_section if sections are the same size.
14488	(Sized_relobj::include_linkonce_section): Update use of
14489	Kept_section.  Only record Kept_comdat_section if sections are the
14490	same size.  Set size of linkonce section.
14491	(Sized_relobj::map_to_kept_section): Update call to
14492	get_kept_comdat_section.
14493	* object.h (class Sized_relobj): Rename fields in
14494	Kept_comdat_section to drop trailing underscores; change object
14495	field to Relobj*.  Change Kept_comdat_section_table to store
14496	struct rather than pointer.
14497	(Sized_relobj::set_kept_comdat_section): Remove kept parameter.
14498	Add kept_object and kept_shndx parameters.  Change all callers.
14499	(Sized_relobj::get_kept_comdat_section): Change return type to
14500	bool.  Add kept_object and kept_shndx parameters.  Change all
14501	callers.
14502	* plugin.cc (Pluginobj::include_comdat_group): Update call to
14503	Layout::find_or_add_kept_section.
14504
145052009-07-09  Ian Lance Taylor  <iant@google.com>
14506
14507	* merge.cc (Object_merge_map::initialize_input_to_output_map):
14508	Reserve space in the hash table.
14509
145102009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
14511
14512	* fileread.cc (File_read::get_mtime): New method.
14513	* fileread.h (Timespec): New structure.
14514	(File_read::get_mtime): New method.
14515	* incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
14516	Renamed from timestamp_nsec.
14517	(Incremental_inputs_entry_write::timestamp_sec): Fix argument to
14518	Elf_Xword.
14519	(Incremental_inputs_entry_write::timestamp_usec): Renamed from
14520	timestamp_nsec.
14521	(Incremental_inputs::report_archive): Save mtime; style fix.
14522	(Incremental_inputs::report_obejct): Save mtime; style fix.
14523	(Incremental_inputs::report_script): Save mtime; style fix.
14524	(Incremental_inputs::finalize_inputs): Style fix.
14525	(Incremental_inputs::finalize): Style fix.
14526	(Incremental_inputs::create_input_section_data): Store inputs
14527	mtime.
14528	* incremental.h (Incremental_inputs::report_script): Add mtime
14529	argument.
14530	(Incremental_inputs::Input_info::Input_info): Intialize only one
14531	union member.
14532	(Incremental_inputs::Input_info::archive): Move to nameless
14533	union.
14534	(Incremental_inputs::Input_info::obejct): Move to nameless union.
14535	(Incremental_inputs::Input_info::script): Move to nameless union.
14536	(Incremental_inputs::mtime): New field.
14537	* script.cc (read_input_script): Pass file mtime to
14538	Incremental_input.
14539	* script.h (Script_info::inputs): Style fix.
14540
145412009-07-01  Ian Lance Taylor  <ian@airs.com>
14542
14543	* freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
14544	instead of 32.
14545
145462009-06-24  Ian Lance Taylor  <iant@google.com>
14547
14548	PR 10156
14549	* layout.cc (Layout::choose_output_section): If we find an
14550	existing section, update the flags.
14551	(Layout::create_notes): New function, broken out of
14552	Layout::finalize.
14553	(Layout::finalize): Don't create note sections.
14554	(Layout::create_note): Don't crash if linker script discards
14555	section.
14556	(Layout::create_gold_note): Likewise.
14557	(Layout::create_build_id): Likewise.  Don't set
14558	after_input_sections on the section.
14559	(Layout::create_executable_stack_info): Remove target parameter.
14560	Change caller.
14561	* layout.h (class Layout): Declare create_notes.  Update
14562	declaration of create_executable_stack_info.
14563	* gold.cc (queue_middle_tasks): Call create_notes.
14564	* output.cc (Output_section::update_flags_for_input_section): Move
14565	here from output.h.  If SHF_ALLOC flag is newly set, mark address
14566	invalid.
14567	* output.h (Output_data::mark_address_invalid): New function.
14568	(class Output_section): Only declare, not define,
14569	update_flags_for_input_section.  Remove set_flags.
14570
145712009-06-24  Ian Lance Taylor  <iant@google.com>
14572
14573	* script-sections.cc (Output_section_definition::
14574	set_section_addresses): Rename shadowing local load_address to
14575	laddr.
14576
145772009-06-24  Ian Lance Taylor  <iant@google.com>
14578
14579	PR 10244
14580	* reloc.cc (relocate_sections): Skip empty relocation sections.
14581
145822009-06-23  Ian Lance Taylor  <iant@google.com>
14583
14584	PR 10156
14585	* layout.cc (Layout::create_note): Use choose_output_section
14586	rather than make_output_section.
14587
145882009-06-23  Ian Lance Taylor  <iant@google.com>
14589
14590	PR 10237
14591	* options.cc (General_options::parse_V): Set printed_version_.
14592	(General_options::General_options): Initialize printed_version_.
14593	* options.h (class General_options): Add printed_version_ field.
14594	* gold.cc (queue_initial_tasks): If there are no input files,
14595	don't give a fatal error if we printed the version information.
14596	(queue_middle_tasks): If using -r with a shared object, give a
14597	fatal error rather than an ordinary error.
14598
145992009-06-23  Ian Lance Taylor  <iant@google.com>
14600
14601	PR 10219
14602	* layout.cc (Layout::Layout): Initialize have_stabstr_section_.
14603	(Layout::make_output_section): Set have_stabstr_section_ if we see
14604	a .stab*str section.
14605	(Layout::finalize): Call link_stabs_sections.
14606	(Layout::link_stabs_sections): New file.
14607	* layout.h (class Layout): Add have_stabstr_section_ field.
14608	Declare link_stabs_sections.
14609
146102009-06-23  Doug Kwan  <dougkwan@google.com>
14611
14612	* Makefile.am (libgold_a_LIBADD): New.
14613	(ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
14614	* Makefile.in: Regenerate.
14615	* config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
14616	* configure: Regenerate.
14617	* configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
14618	* fileread.cc: Include sys/state.h
14619	* gold.h: Declare memmem and strndup if found missing.
14620	* gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
14621
146222009-06-23  Ian Lance Taylor  <iant@google.com>
14623
14624	* configure.ac: Call AC_CHECK_DECLS using C, not C++.
14625	* configure: Rebuild.
14626
146272009-06-23  Ian Lance Taylor  <iant@google.com>
14628
14629	PR 10147
14630	* object.cc (Object::section_contents): Don't try to get a view if
14631	the section has length zero.
14632	(Object::handle_gnu_warning_section): If the section is empty, use
14633	the name of the section as the warning.
14634
146352009-06-23  Ian Lance Taylor  <iant@google.com>
14636
14637	PR 10133
14638	* stringpool.h (class Stringpool_template): Add optimize_ field.
14639	(Stringpool_template::set_optimize): New function.
14640	* stringpool.cc (Stringpool_template::Stringpool_template):
14641	Initialize optimize_ field.
14642	(Stringpool_template::set_string_offsets): Test local optimize
14643	fild rather than parameter.
14644	* layout.cc (Layout::Layout): Call set_optimize on the section
14645	name stringpool.
14646
146472009-06-22  Ian Lance Taylor  <iant@google.com>
14648
14649	PR 10030
14650	* yyscript.y: Parse TARGET.
14651	* script.cc (script_set_target): New function.
14652	* script-c.h (script_set_target): Declare.
14653	* options.cc (General_options::string_to_object_format): Rename
14654	from string_to_object_format in anonymous namespace.  Change
14655	callers.
14656	* options.h (class General_options): Declare
14657	string_to_object_format.
14658
146592009-06-22  Ian Lance Taylor  <iant@google.com>
14660
14661	* script-sections.cc (Script_sections::create_segments): Don't put
14662	program headers in a PT_LOAD segment if -n or -N.
14663
146642009-06-22  Ian Lance Taylor  <iant@google.com>
14665
14666	PR 10141
14667	* options.h (class General_options): Add -z lazy and -z now.  Sort
14668	-z options into alphabetical order.
14669	* layout.cc (Layout::finish_dynamic_section): Handle -z now.
14670
146712009-06-21  Ian Lance Taylor  <iant@google.com>
14672
14673	* layout.cc (Layout::make_output_section): Call
14674	Target::new_output_section.
14675	(Layout::attach_allocated_section_to_segment): Put large section
14676	sections in a separate load segment with the large segment flag
14677	set.
14678	(Layout::segment_precedes): Sort large data segments after other
14679	load segments.
14680	(align_file_offset): New static function.
14681	(Layout::set_segment_offsets): Use align_file_offset.
14682	* output.h (class Output_section): Add is_small_section_ and
14683	is_large_section_ fields.
14684	(Output_section::is_small_section): New function.
14685	(Output_section::set_is_small_section):  New function.
14686	(Output_section::is_large_section): New function.
14687	(Output_section::set_is_large_section): New function.
14688	(Output_section::is_large_data_section): New function.
14689	(class Output_segment): Add is_large_data_segment_ field.
14690	(Output_segment::is_large_data_segment): New function.
14691	(Output_segment::set_is_large_data_segment): New function.
14692	* output.cc (Output_section::Output_section): Initialize new
14693	fields.
14694	(Output_segment::Output_segment): Likewise.
14695	(Output_segment::add_output_section): Add assertion that large
14696	data sections always go in large data segments.  Force small data
14697	sections to the end of the list of data sections.  Force small BSS
14698	sections to the start of the list of BSS sections.  For large BSS
14699	sections to the end of the list of BSS sections.
14700	* symtab.h (class Symbol): Declare is_common_shndx.
14701	(Symbol::is_defined): Check Symbol::is_common_shndx.
14702	(Symbol::is_common): Likewise.
14703	(class Symbol_table): Define enum Commons_section_type.  Update
14704	declarations.  Add small_commons_ and large_commons_ fields.
14705	* symtab.cc (Symbol::is_common_shndx): New function.
14706	(Symbol_table::Symbol_table): Initialize new fields.
14707	(Symbol_table::add_from_object): Put small and large common
14708	symbols in the right list.
14709	(Symbol_table::sized_finalized_symbol): Check
14710	Symbol::is_common_shndx.
14711	(Symbol_table::sized_write_globals): Likewise.
14712	* common.cc (Symbol_table::do_allocate_commons): Allocate new
14713	common symbol lists.  Don't call do_allocate_commons_list if the
14714	list is empty.
14715	(Symbol_table::do_allocate_commons_list): Remove is_tls
14716	parameter.  Add comons_section_type parameter.  Change all
14717	callers.  Handle small and large common symbols.
14718	* object.cc (Sized_relobj::do_finalize_local_symbols): Check
14719	Symbol::is_common_shndx.
14720	* resolve.cc (symbol_to_bits): Likewise.
14721	* target.h (Target::small_common_shndx): New function.
14722	(Target::small_common_section_flags): New function.
14723	(Target::large_common_shndx): New function.
14724	(Target::large_common_section_flags): New function.
14725	(Target::new_output_section): New function.
14726	(Target::Target_info): Add small_common_shndx, large_common_shndx,
14727	small_common_section_flags, and large_common_section_flags
14728	fields.
14729	(Target::do_new_output_section): New virtual function.
14730	* arm.cc (Target_arm::arm_info): Initialize new fields.
14731	* i386.cc (Target_i386::i386_info): Likewise.
14732	* powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
14733	Likewise.
14734	* sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
14735	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
14736	(Target_x86_64::do_new_output_section): New function.
14737	* configure.ac: Define conditional MCMODEL_MEDIUM.
14738	* testsuite/Makefile.am (check_PROGRAMS): Add large.
14739	(large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
14740	(large_LDFLAGS): Define.
14741	* testsuite/large.c: New file.
14742	* testsuite/testfile.cc (Target_test::test_target_info):
14743	Initialize new fields.
14744	* configure, testsuite/Makefile.in: Rebuild.
14745
147462009-06-05  Doug Kwan  <dougkwan@google.com>
14747
14748	* Makefile.am (CCFILES): Add target.cc.
14749	* Makefile.in: Regenerate.
14750	* i386.cc (class Target_i386): Define new virtual method to
14751	override do_is_local_label_name in parent.
14752	* object.cc (Sized_relobj::do_count_local_symbols): Discard
14753	local symbols if --discard-locals or -X is given.
14754	* options.h (class General_options): Declare new options
14755	'--discard-locals' and '-X' for discarding locals.
14756	* target.h (class Target): Define new methods is_local_label_name.
14757	Declare new virtual method do_is_local_label_name.
14758	* target.cc: New file.
14759	* testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
14760	(check_SCRIPTS): Add discard_locals_test.sh.
14761	(check_DATA): Add discard_local_tests.syms.
14762	(discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
14763	(discard_local_tests.syms, discard_locals_test.o): New make rules.
14764	* testsuite/Makefile.in: Regenerate.
14765	* testsuite/discard_locals_test.c: New file.
14766	* testsuite/discard_locals_test.sh: Same.
14767
147682009-06-05  Doug Kwan  <dougkwan@google.com>
14769
14770	* object.cc (Sized_relobj::Sized_relobj): Initialize
14771	discarded_eh_frame_shndx_ to -1U.
14772	(Sized_relobj::do_layout): Record index of a discard .eh_frame
14773	section.
14774	(Sized_relobj::do_count_local_symbols): Skip local symbols in
14775	a discarded .eh_frame section.
14776	(Sized_relobj::do_finalize_local_symbols): Ditto.
14777	* object.h (class Sized_relobj): Declare new member
14778	discarded_eh_frame_shndx_.
14779	* testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
14780	(local_labels_test.o, local_labels_test): New rules.
14781	* testsuite/Makefile.in: Regenerate.
14782
147832009-06-04  Doug Kwan  <dougkwan@google.com>
14784
14785	* layout.cc (Layout::section_name_mapping): Add mapping for
14786	special ARM sections.
14787
147882009-06-03  Doug Kwan  <dougkwan@google.com>
14789
14790	* arm.cc (utils::sign_extend): Reverse test in gold_assert.
14791	(utils::has_overflow): Same.
14792
147932009-06-03  Ian Lance Taylor  <iant@google.com>
14794
14795	* layout.cc (Layout::section_name_mapping): New array, replacing
14796	Layout::linkonce_mapping.
14797	(Layout::section_name_mapping_count): New variable, replacing
14798	Layout::linkonce_mapping_count.
14799	(Layout::linkonce_output_name): Remove.
14800	(Layout::output_section_name): Rewrite.
14801	* layout.h (class Layout): Rename Linkonce_mapping to
14802	Section_name_mapping, linkonce_mapping to section_name_mapping,
14803	linkonce_mapping_count to section_name_mapping_count.  Don't
14804	declare linkonce_output_name.
14805
148062009-06-03  Doug Kwan  <dougkwan@google.com>
14807
14808	* arm.cc (namespace utils): New.
14809	(Target_arm::reloc_is_non_pic): Define new method.
14810	(class Arm_relocate_functions): New.
14811	(Target_arm::Relocate::relocate): Handle relocation types used by
14812	Android.
14813
148142009-06-03  Ian Lance Taylor  <iant@google.com>
14815
14816	* arm.cc (Target_arm::scan::global): Use || instead of |.
14817
148182009-06-02  Doug Kwan  <dougkwan@google.com>
14819
14820	* arm.cc (Target_arm::Scan::Scan):  Initialize
14821	issued_non_pic_error_.
14822	(class Target_arm::Scan): Declare new method check_non_pic.
14823	Define new method symbol_needs_plt_entry.
14824	Declare new data member issued_non_pic_error_.
14825	(class Target_arm::Relocate): Declare new method
14826	should_apply_static_reloc.
14827	(Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
14828	(Target_arm::Scan::check_non_pic): Define new method.
14829	(Target_arm::Scan::local): Handle a small subset of reloc types used
14830	by Android.
14831	(Target_arm::Scan::local): Same.
14832	(Target_arm::Relocate::should_apply_statci_reloc): Define new method.
14833
148342009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
14835
14836	* incremental.cc (Incremental_inputs::report_command_line): Filter
14837	out --incremental-* options.
14838
148392009-05-29  Doug Kwan  <dougkwan@google.com>
14840
14841	* arm.cc (Output_data_plt_arm): Forward declaration for new
14842	template class.
14843	(class Target_arm): Update comment.
14844	(Target_arm::Target_arm): Initialize new data members GOT_,
14845	PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
14846	Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
14847	and Target_arm::rel_dyn_section.
14848	Declare new_enum Target_arm::Got_type.
14849	Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
14850	and DYNBSS_.
14851	Update commments for member do_dynsym_value.
14852	(Target_arm::got_size, Target_arm::plt_section,
14853	Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
14854	new methods inside class defintion.
14855	(Target_arm::got_section): Define new method.
14856	(Target_arm::rel_dyn_section): Same.
14857	(Output_data_plt_arm): New template class.
14858	(Output_data_plt_arm::Output_data_plt_arm): Define constructor.
14859	(Output_data_plt_arm:do_adjust_output_section): Define new method.
14860	(Output_data_plt_arm::add_entry): Same.
14861	(Output_data_plt_arm::first_plt_entry): Define new
14862	static data member for PLT instruction template.
14863	(Output_data_plt_arm::plt_entry): Same.
14864	(Output_data_plt_arm::do_write): Define new method.
14865	(Target_arm::make_plt_entry): Same.
14866	(Target_arm::do_finalize_sections): Same.
14867	(Target_arm::do_dynsym_value): Same.
14868
148692009-05-28  Doug Kwan  <dougkwan@google.com>
14870
14871	* Makefile.am (TARGETSOURCES): Add arm.cc.
14872	(ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
14873	* Makefile.in: Regenerate.
14874	* arm.cc: New file.
14875	* configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
14876
148772009-05-26  Doug Kwan  <dougkwan@google.com>
14878
14879	* options.cc (General_options::parse_exclude_libs).  Fix a comment.
14880	(General_options::check_excluded_libs): Strip off directories in
14881	archive name before matching like GNU ld does.
14882	* testsuite/Makefile.am (MOSTLYCLEANFILES,
14883	exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
14884	(exclude_libs_test_LDFLAGS): Add linker option
14885	-Wl,--exclude-libs,libexclude_libs_test_3
14886	(exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
14887	an explicit archive without using -l.
14888	(alt/libexclude_libs_test_3.a): New make rule.
14889	* testsuite/Makefile.in: Regenerate.
14890	* testsuite/exclude_libs_test.c : Declare lib3_default().
14891	(main): Call it.
14892	* exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
14893	* exclude_libs_test_3.c: New file.
14894
148952009-05-26  Nick Clifton  <nickc@redhat.com>
14896
14897	* po/id.po: New Indonesian translation.
14898	* po/gold.pot: Updated template file.
14899
149002009-05-22  Sriraman Tallam  <tmsriram@google.com>
14901
14902	* testsuite/Makefile.am: Add -ffunction-sections to compile
14903	gc_comdat_test files.  Add -Wl,--gc-sections to build
14904	gc_comdat_test.
14905	* testsuite/Makefile.in: Regenerate.
14906	* testsuite/gc_comdat_test.sh: Fix the condition around grep.
14907
149082009-05-21  Sriraman Tallam  <tmsriram@google.com>
14909
14910	* object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
14911	kept comdat section was garbage collected.
14912	* testsuite/Makefile.am: Add test gc_comdat_test.sh.
14913	* testsuite/Makefile.in: Regenerate.
14914	* testsuite/gc_comdat_test.sh: New file.
14915	* testsuite/gc_comdat_test_1.cc: New file.
14916	* testsuite/gc_comdat_test_2.cc: New file.
14917
149182009-05-19  Doug Kwan  <dougkwan@google.com>
14919
14920	* archive.cc (Archive::Archive): Move constructor from archive.h
14921	to here.  Initialize no_export_.
14922	(Archive::get_elf_object_for_member): Set no_export flag of object.
14923	* archive.h (Archive::Archive): Move constructor body to
14924	archive.cc.
14925	(Archive::no_export): New method.
14926	(Archive::no_export_): New field.
14927	* object.h (Object::Object): Initialize no_export_ to false.
14928	(Object::no_export, Object::set_no_export): New methods.
14929	(Object::no_export_): New field.
14930	* options.cc (General_options::parse_exclude_libs): New method.
14931	(General_options::check_excluded_libs) Same.
14932	* options.h (exclude_libs): New option.
14933	(General_options::check_excluded_libs): New method declaration.
14934	(General_options::excluded_libs_): New field.
14935	* symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
14936	default or protected visibility if an object has no-export flag set.
14937	testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
14938	(check_SCRIPTS): Add exclude_libs_test.sh.
14939	(check_DATA): Add exclude_libs_test.syms.
14940	(MOSTLYCLEANFILES): Add exclude_libs_test.syms,
14941	libexclude_libs_test_1.a and libexclude_libs_test_2.a.
14942	(exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
14943	exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
14944	(exclude_libs_test.syms, libexclude_libs_test_1.a,
14945	libexclude_libs_test_2.a): New rules.
14946	* testsuite/Makefile.in: Regenerate.
14947	* testsuite/exclude_libs_test.c: New file.
14948	* testsuite/exclude_libs_test.sh: Ditto.
14949	* testsuite/exclude_libs_test_1.c: Ditto.
14950	* testsuite/exclude_libs_test_2.c: Ditto.
14951
149522009-05-15  Ian Lance Taylor  <iant@google.com>
14953
14954	* configure.ac: Check for declarations for cases where libiberty.h
14955	checks HAVE_DECL_xxx.
14956	* configure, config.in: Rebuild.
14957
149582009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
14959
14960	* gold.h (Incremental_argument_list): Remove (invalid) forward
14961	declaration.
14962	* incremental.cc (Incremental_inputs::report_achive): New method.
14963	(Incremental_inputs::report_object): New method.
14964	(Incremental_inputs::report_script): New method.
14965	(Incremental_inputs::finalize_inputs): New method.
14966	(Incremental_inputs::finalize): Call finalize_inputs().
14967	(Incremental_inputs::sized_create_incremental_inputs_section_data):
14968	Create inputs entries.
14969	* incremental.h (Incremental_input_type): New enum.
14970	(Incremental_inputs::Incremental_input): Initialize new fields.
14971	(Incremental_inputs::report_inputs): New method.
14972	(Incremental_inputs::report_achive): New method.
14973	(Incremental_inputs::report_object): New method.
14974	(Incremental_inputs::report_script): New method.
14975	(Incremental_inputs::finalize_inputs): New method.
14976	(Incremental_inputs::Input_info): New struct.
14977	(Incremental_inputs::Input_info_map): New typedef.
14978	(Incremental_inputs::lock_): New field.
14979	(Incremental_inputs::Inputs_): New field.
14980	(Incremental_inputs::Inputs_map): New field.
14981	* main.cc (main): Call Incremental_input::report_inputs.
14982	* options.h (Input_argument_list): Typedef moved from
14983	Input_arguments.
14984	(Input_file_group::Files): Remove, use ::Input_argument_list.
14985	(Input_file_group::Input_argument_list): Remove, use
14986	::Input_argument_list.
14987	* plugin.cc (Plugin_manager::add_input_file): Add error in
14988	incremental build.
14989	* read_syms.cc (do_read_syms): Call Incremental_input::report_*
14990	functions.
14991	* script.cc (read_input_script): Call
14992	Incremental_input::report_script.
14993	* script.h (Script_info): New class.
14994
149952009-04-27  Ian Lance Taylor  <iant@google.com>
14996
14997	* x86_64.cc (do_adjust_output_section): Set entsize to
14998	plt_entry_size.
14999
150002009-04-23  Elliott Hughes  <enh@google.com>
15001
15002	* output.cc (Output_file::close): After short writes, continue
15003	writing from the correct offset in the buffer being written.
15004
150052009-04-23  Chris Demetriou  <cgd@google.com>
15006
15007	* configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
15008	* configure: Regenerate.
15009	* config.in: Regenerate.
15010	* gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
15011	if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
15012
150132009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
15014
15015	* incremental.cc (Incremental_inputs_header_data): Renamed from
15016	Incremental_input_header_data.
15017	(Incremental_inputs_header_data::data_size): New field.
15018	(Incremental_inputs_header_data::put_input_file_count): Renamed
15019	from input_file_count.
15020	(Incremental_inputs_header_data::put_command_line_offset): Renamed
15021	from command_line_offset.
15022	(Incremental_inputs_header_data::put_reserved): Renamed from
15023	put_reserved.
15024	(Incremental_inputs_entry_data): Renamed from
15025	Incremental_input_entry_data.
15026	(Incremental_inputs_entry_data::data_size): New field.
15027	(Incremental_inputs::report_command_line): New method.
15028	(Incremental_inputs::finalize): New method.
15029	(Incremental_inputs::create_incremental_inputs_data): New method.
15030	(Incremental_inputs::sized_create_incremental_inputs_data): New method.
15031	* incremental.h: New file.
15032	* layout.cc (Layout::Layout): Handle new incremental_inputs_.
15033	(Layout::finalize): Create incremental inputs section in
15034	incremental builds.
15035	(Layout::create_incremental_info_sections): New method.
15036	* layout.h (Layout::incremental_inputs): New method.
15037	(Layout::create_incremental_info_sections): New method.
15038	(Layout::incremental_inputs_): New field.
15039	* main.cc (main): Notify Incremental_input of the command line.
15040
150412009-04-01  Ian Lance Taylor  <iant@google.com>
15042	    Mikolaj Zalewski  <mikolajz@google.com>
15043
15044	* gold.h (reserve_unordered_map): Define, three versions, one for
15045	each version of Unordered_map.
15046	* layout.cc (Layout::Layout): Remove options parameter.  Add
15047	number_of_input_files parameter.  Don't initialize options_.
15048	Initialize number_of_input_files_ and resized_signatures_.  Move
15049	sections_are_attached_.
15050	(Layout::layout_group): Reserve space for group_signatures_.
15051	(Layout::find_or_add_kept_section): Change name parameter to be a
15052	reference.  Resize signatures_ map when it gets large enough.
15053	(Layout::layout_eh_frame): Use parameters->options() instead of
15054	this->options_.
15055	(Layout::make_output_section): Likewise.
15056	(Layout::attach_allocated_section_to_segment): Likewise.
15057	(Layout::finalize, Layout::create_executable_stack): Likewise.
15058	(Layout::set_segment_offsets, Layout::create_interp): Likewise.
15059	(Layout::finish_dynamic_section, Layout::write_binary): Likewise.
15060	* layout.h (class Layout): Update declarations.  Remove options_
15061	field.  Add number_of_input_files_ and resized_signatures_
15062	fields.  Move sections_are_attached_ field.
15063	* main.cc (main): Pass number of input files to Layout
15064	constructor.  Don't pass options.
15065
150662009-03-30  Ian Lance Taylor  <iant@google.com>
15067
15068	* ffsll.c (ffsll): Correct implementation.
15069
150702009-03-27  Ian Lance Taylor  <iant@google.com>
15071
15072	* ffsll.c: New file.
15073	* configure.ac: Call AC_REPLACE_FUNCS on ffsll.
15074	* gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
15075	* ftruncate.c (ftruncate): Declare before definition.
15076	* mremap.c (mremap): Likewise.
15077	* pread.c (pread): Likewise.
15078	* configure, Makefile.in, config.in: Rebuild.
15079
15080	* mremap.c: New file.
15081	* configure.ac: Call AC_REPLACE_FUNCS on mremap.
15082	* gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
15083	(mremap): Declare if HAVE_MREMAP is not defined.
15084	* configure, Makefile.in, config.in: Rebuild.
15085
150862009-03-27  Cary Coutant  <ccoutant@google.com>
15087
15088	* powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
15089	position independent.
15090	* sparc.cc (Target_sparc::check_non_pic): Likewise.
15091	* x86_64.cc (Target_x86_64::check_non_pic): Likewise.
15092
150932009-03-24  Cary Coutant  <ccoutant@google.com>
15094
15095	* symtab.h (needs_plt_entry): Check for unsatisfied reference from
15096	an executable.
15097	(needs_dynamic_reloc): Likewise.
15098
150992009-03-24  Ian Lance Taylor  <iant@google.com>
15100
15101	* yyscript.y (file_cmd): Recognize EXTERN.
15102	(extern_name_list, extern_name_list_body): New nonterminals.
15103	* script.cc (script_add_extern): Define.
15104	* script-c.h (script_add_extern): Declare.
15105
151062009-03-24  Rafael Avila de Espindola  <espindola@google.com>
15107
15108	* object.cc (is_elf_object): Define.
15109	* object.h (is_elf_object): Declare.
15110	* archive.cc (Archive::get_elf_object_for_member): Call
15111	is_elf_object.
15112	* readsyms.cc (Read_symbols::do_read_symbols): Likewise.
15113
151142009-03-24  Elliott Hughes  <enh@google.com>
15115
15116	* output.cc (Output_file::map_anonymous): Define.
15117	(Output_file::map): Use map_anonymous.  If the regular mmap fails,
15118	try an anonymous one.  Report the size if the mmap fails.
15119	* output.h (class Output_file): Declare map_anonymous.
15120
151212009-03-24  Ian Lance Taylor  <iant@google.com>
15122
15123	* target-select.cc (instantiate_target): Don't acquire the lock if
15124	the instantiated_target_ field has already been set.
15125
151262009-03-23  Ian Lance Taylor  <iant@google.com>
15127
15128	* gold-threads.h (class Initialize_lock): Define.
15129	* gold-threads.cc (class Initialize_lock_once): Define.
15130	(initialize_lock_control): New static variable.
15131	(initialize_lock_pointer): New static variable.
15132	(initialize_lock_once): New static function.
15133	(Initialize_lock::Initialize_lock): Define.
15134	(Initialize_lock::initialize): Define.
15135	* target-select.h: Include "gold-threads.h".
15136	(class Target_selector): Add lock_ and initialize_lock_ fields.
15137	Don't define instantiate_target, just declare it.
15138	* target-select.cc (Target_selector::Target_selector): Initialize
15139	new fields.
15140	(Target_selector::instantiate_target): Define.
15141	* descriptors.h: Include "gold-threads.h".
15142	(class Descriptors): Add initialize_lock_ field.
15143	* descriptors.cc (Descriptors::Descriptors): Initialize new
15144	field.
15145	(Descriptors::open): Use initialize_lock_ field
15146	* errors.h (class Errors): Add initialize_lock_ field.
15147	* errors.cc (Errors::Errors): Initialize new field.
15148	(Errors::initialize_lock): Use initialize_lock_ field.
15149	* powerpc.cc (class Target_selector_powerpc): Remove
15150	instantiated_target_ field.  In do_recognize call
15151	instantiate_target rather than do_instantiate_target.  In
15152	do_instantiate_target just allocate a new target.
15153	* sparc.cc (class Target_selector_sparc): Likewise.
15154
15155	* freebsd.h: New file.
15156	* i386.cc: Include "freebsd.h".
15157	(Target_i386): Derive from Target_freebsd rather than
15158	Sized_target.
15159	(Target_selector_i386): Derive from Target_selector_freebsd rather
15160	than Target_selector.
15161	* x86_64.cc: Include "freebsd.h".
15162	(Target_x86_64): Derive from Target_freebsd rather than
15163	Sized_target.
15164	(Target_selector_x86_64): Derive from Target_selector_freebsd
15165	rather than Target_selector.
15166	* target.h (class Target): Add adjust_elf_header and
15167	do_adjust_elf_header.
15168	* output.cc (Output_file_header:: do_sized_write): Call target
15169	adjust_elf_header routine.
15170	* configure.tgt: Set targ_osabi.
15171	* configure.ac: Define GOLD_DEFAULT_OSABI.
15172	* parameters.cc (Parameters::default_target): Pass
15173	GOLD_DEFAULT_OSABI to select_target.
15174	* target-select.h (class Target_selector): Make instantiate_target
15175	protected rather than private.
15176	* Makefile.am (HFILES): Add freebsd.h.
15177	* configure, Makefile.in, config.in: Rebuild.
15178
15179	* merge.cc (do_add_input_section): Correct pend value.  Change
15180	message about last entry not being null terminated from error to
15181	warning.
15182
151832009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
15184
15185	* incremental.cc: New file.
15186	* Makefile.am (CCFILES): Add incremental.cc.
15187	* Makefile.in: Rebuild.
15188
151892009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
15190
15191	* layout.cc (Layout::output_section_name): Preserve names
15192	of '.note.' sections.
15193
151942009-03-19  Ian Lance Taylor  <iant@google.com>
15195
15196	* descriptors.cc (Descriptors::open): Check that the options are
15197	valid before using them.
15198
151992009-03-18  Ian Lance Taylor  <iant@google.com>
15200
15201	* script-sections.h: Include <list>.
15202	(class Script_sections): Change Sections_elements from std::vector
15203	to std::list.  Typedef public Elements_iterator.  Add
15204	orphan_section_placement_, data_segment_align_start_, and
15205	saw_data_segment_align_ fields.  Remove data_segment_align_index_
15206	field.
15207	* script-sections.cc (class Orphan_section_placement): New class.
15208	(class Sections_element): Add virtual functions is_relro and
15209	orphan_section_init.  Remove virtual function place_orphan_here.
15210	(class Output_section_definition): Add is_relro and
15211	orphan_section_init.  Remove place_orphan_here.
15212	(class Orphan_output_section): Likewise.
15213	(Script_sections::Script_sections): Update for field changes.
15214	(Script_sections::data_segment_align): Set saw_data_segment_align_
15215	and data_segment_align_start_, not data_segment_align_index.
15216	(Script_sections::data_segment_relro_end): Check
15217	saw_data_segment_align_.  Use data_segment_align_start_ rather
15218	than data_segment_align_index_.
15219	(Script_sections::place_orphan): Rewrite to use
15220	Orphan_section_placement.
15221
152222009-03-17  Ian Lance Taylor  <iant@google.com>
15223
15224	* archive.cc (Archive::add_symbols): Check for a version attached
15225	to the symbol name in the archive map.
15226	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
15227	(ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
15228	(ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
15229	(ver_test_11.a): New target.
15230	* testsuite/Makefile.in: Rebuild.
15231
15232	* configure.ac: Check for chsize and posix_fallocate.  Replace
15233	ftruncate.
15234	* ftruncate.c: New file, from gnulib.
15235	* output.cc (posix_fallocate): Define dummy version if not
15236	HAVE_POSIX_FALLOCATE.
15237	(Output_file::map): Call posix_fallocate rather than lseek and
15238	write.
15239	* gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
15240	* configure, Makefile.in, config.in: Rebuild.
15241
152422009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
15243
15244	* layout.h (Layout::create_note): Add section_name parameter.
15245	* layout.cc (Layout::create_note): Likewise.
15246	(Layout::create_build_id, Layout::create_gold_note): Fix callers.
15247
152482009-03-17  Ian Lance Taylor  <iant@google.com>
15249
15250	* descriptors.cc: Include "options.h".
15251	(FD_CLOEXEC, O_CLOEXEC): Define if not defined.
15252	(Descriptors::open): Always use O_CLOEXEC when opening a new
15253	descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
15254	then set FD_CLOEXEC.
15255
15256	* sparc.cc (class Target_sparc): Add has_got_section.
15257	(Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
15258	make sure we have a GOT section.
15259
15260	* sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
15261	(Target_sparc::Scan::local): Likewise.
15262	(Target_sparc::Scan::global): Likewise.
15263	(Target_sparc::Relocate::relocate): Likewise.
15264	(Target_sparc::Relocate::relocate_tls): Likewise.
15265
15266	* symtab.cc (Symbol_table::define_default_version): New function,
15267	broken out of add_from_object.
15268	(Symbol_table::add_from_object): Call define_default_version.
15269	(Symbol_table::define_special_symbol): Add resolve_oldsym
15270	parameter.  Change all callers.  If the version for a symbol comes
15271	from a version script, resolve it with the symbol with the same
15272	name with no version.  Also add the symbol without a version if
15273	appropriate.
15274	(do_define_in_output_data): If resolving with oldsym, don't delete
15275	sym.
15276	(do_define_in_output_segment): Likewise.
15277	(do_define_as_constant): Likewise.
15278	* symtab.h (class Symbol_table): Update declarations.
15279
152802009-03-13  Ian Lance Taylor  <iant@google.com>
15281
15282	* readsyms.cc (Read_symbols::incompatible_warning): New function.
15283	(Read_symbols::requeue): New function.
15284	(Read_symbols::do_read_symbols): If make_elf_object fails because
15285	the target type is not configured, and the file was searched for,
15286	issue a warning and retry with the next directory.
15287	(Add_symbols::run): If the file has an incompatible format, and
15288	it was searched for, requeue the Read_symbols task.  On error,
15289	release the object.
15290	* readsyms.h (class Read_symbols): Add dirindex_ field.  Add
15291	dirindex parameter to constructor.  Change all callers.  Declare
15292	incompatible_warning and requeue.
15293	(class Add_symbols): Add dirpath_, dirindex_, mapfile_,
15294	input_argument_ and input_group_ fields.  Add them to
15295	constructor.  Change all callers.
15296	(class Read_script): Add dirindex_ field.  Add it to constructor.
15297	Change all callers.
15298	* archive.cc (Archive::setup): Remove input_objects parameter.
15299	Change all callers.
15300	(Archive::get_file_and_offset): Likewise.
15301	(Archive::read_all_symbols): Likewise.
15302	(Archive::read_symbols): Likewise.
15303	(Archive::get_elf_object_for_member): Remove input_objects
15304	parameter.  Add punconfigured parameter.  Change all callers.
15305	(Archive::add_symbols): Change return type to bool.  Check return
15306	value of include_member.
15307	(Archive::include_all_members): Likewise.
15308	(Archive::include_member): Change return type to bool.  Return
15309	false if first included object has incompatible target.  Set
15310	included_member_ field.
15311	(Add_archive_symbols::run): If add_symbols returns false, requeue
15312	Read_symbols task.
15313	* archive.h (class Archive): Add included_member_ field.
15314	Initialize it in constructor.  Add input_file and searched_for
15315	methods.  Update declarations.
15316	(class Add_archive_symbols): Add dirpath_, dirindex_, and
15317	input_argument_ fields.  Add them to constructor.  Change all
15318	callers.
15319	* script.cc: Include "target-select.h".
15320	(class Parser_closure): Add skip_on_incompatible_target_ and
15321	found_incompatible_target_ fields.  Add
15322	skip_on_incompatible_target parameter to constructor.  Change all
15323	callers.  Add methods skip_on_incompatible_target,
15324	clear_skip_on_incompatible_target, found_incompatible_target, and
15325	set_found_incompatible_target.
15326	(read_input_script): Add dirindex parameter.  Change all callers.
15327	If parser finds an incompatible target, requeue Read_symbols
15328	task.
15329	(script_set_symbol): Clear skip_on_incompatible_target in
15330	closure.
15331	(script_add_assertion, script_parse_option): Likewise.
15332	(script_start_sections, script_add_phdr): Likewise.
15333	(script_check_output_format): New function.
15334	* script.h (read_input_script): Update declaration.
15335	* script-c.h (script_check_output_format): Declare.
15336	* yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
15337	(ignore_cmd): Remove OUTPUT_FORMAT.
15338	* fileread.cc (Input_file::Input_file): Add explicit this.
15339	(Input_file::will_search_for): New function.
15340	(Input_file::open): Add pindex parameter.  Change all callers.
15341	* fileread.h (class Input_file): Add input_file_argument method.
15342	Declare will_search_for.  Update declarations.
15343	* object.cc (make_elf_object): Add punconfigured parameter.
15344	Change all callers.
15345	* object.h (class Object): Make input_file public.  Add
15346	searched_for method.
15347	(make_elf_object): Update declaration.
15348	* dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
15349	restart search.
15350	* dirsearch.h (class Dirsearch): Update declaration.
15351	* options.h (class General_options): Add --warn-search-mismatch.
15352	* parameters.cc (Parameters::is_compatible_target): New function.
15353	* parameters.h (class Parameters): Declare is_compatible_target.
15354	* workqueue.cc (Workqueue::add_blocker): New function.
15355	* workqueue.h (class Workqueue): Declare add_blocker.
15356
15357	* fileread.cc (Input_file::open): Remove options parameter.
15358	Change all callers.
15359	(Input_file::open_binary): Likewise.
15360	* script.cc (read_input_script): Likewise.
15361	* readsyms.h (class Read_symbols): Remove options_ field.  Remove
15362	options parameter from constructor.  Change all callers.
15363	(class Read_script): Likewise.
15364	* fileread.h (class Input_file): Update declarations.
15365	* script.h (read_input_script): Update declaration.
15366
153672009-03-10  Nick Clifton  <nickc@redhat.com>
15368
15369	* po/es.po: New Spanish translation.
15370
153712009-03-06  Cary Coutant  <ccoutant@google.com>
15372
15373	* options.cc (parse_short_option): Keep dash_z from registering itself.
15374
153752009-03-03  Ian Lance Taylor  <iant@google.com>
15376
15377	PR 9918
15378	* target-reloc.h (relocate_section): Pass output_section to
15379	relocate.
15380	* i386.cc (Target_i386::should_apply_static_reloc): Add
15381	output_section parameter.  Change all callers.
15382	(Target_i386::Relocate::relocate): Add output_section parameter.
15383	* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
15384	* sparc.cc (Target_sparc::Relocate::relocate): Likewise.
15385	* powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
15386	* testsuite/two_file_shared.sh: New script.
15387	* testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
15388	(check_DATA): Add two_file_shared.dbg.
15389	(two_file_shared.dbg): New target.
15390	* testsuite/Makefile.in: Rebuild.
15391
153922009-03-01  Ian Lance Taylor  <iant@google.com>
15393
15394	* configure.ac: Check for byteswap.h.
15395	* configure: Rebuild.
15396	* config.in: Rebuild.
15397
153982009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
15399
15400	* layout.cc (Layout::find_or_add_kept_section): New function.
15401	(Layout::add_comdat): Removed.
15402	* layout.h (struct Kept_section): Move out of class Layout.
15403	Remove trailing underscores from field names.  Add group_sections
15404	field.  Rename group_ field to is_group.  Change all uses.
15405	(class Layout): Declare find_or_add_kept_section, not add_comdat.
15406	* object.cc (Sized_relobj::Sized_relobj): Don't initialize
15407	comdat_groups_ field.
15408	(Sized_relobj::include_section_group): Use
15409	find_or_add_kept_section and Kept_section::group_sections.
15410	(Sized_relobj::include_linkonce_section): Likewise.
15411	* object.cc (class Sized_relobj): Don't define Comdat_group or
15412	Comdat_group_table.  Remove find_comdat_group and
15413	add_comdat_group.  Remove comdat_groups_ field.
15414	* plugin.cc (include_comdat_group): Use
15415	Layout::find_or_add_kept_section.
15416
154172009-02-28  Ian Lance Taylor  <iant@google.com>
15418
15419	* README: --gc-sections and map files are now supported.  Document
15420	some build requirements.
15421
15422	PR 6992
15423	* symtab.cc (Symbol_table::sized_write_section_symbol): In a
15424	relocatable link set the value of the section symbol to zero.
15425	* object.cc (Sized_relobj::do_finalize_local_symbols): In a
15426	relocatable link don't include the section address in the local
15427	symbol value.
15428
154292009-02-27  Ian Lance Taylor  <iant@google.com>
15430
15431	PR 6811
15432	* options.h (class Search_directory): Add is_system_directory.
15433	(class General_options): Declare is_in_system_directory.
15434	* options.cc (get_relative_sysroot): Make static.
15435	(get_default_sysroot): Make static.
15436	(General_optoins::is_in_system_directory): New function.
15437	* fileread.cc (Input_file::is_in_system_directory): New function.
15438	* fileread.h (class Input_file): Declare is_in_system_directory.
15439	* object.h (class Object): Add is_in_system_directory.
15440	(class Input_objects): Remove system_library_directory_ field.
15441	* object.cc (Input_objects::add_object): Don't set
15442	system_library_directory_.
15443	(input_objects::found_in_system_library_directory): Remove.
15444	* symtab.cc (Symbol_table::write_globals): Remove input_objects
15445	parameter.  Change all callers.
15446	(Symbol_table::sized_write_globals): Likewise.
15447	(Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
15448	Call Object::is_in_system_directory.
15449	* symtab.h (class Symbol_table): Update declarations.
15450
15451	PR 5990
15452	* descriptors.h (Open_descriptor): Add is_on_stack field.
15453	* descriptors.cc (Descriptors::open): If the descriptor is on the
15454	top of the stack, remove it.  Initialize is_on_stack field.
15455	(Descriptors::release): Only add pod to stack if it is not on the
15456	stack already.
15457	(Descriptors::close_some_descriptor): Clear stack_next and
15458	is_on_stack fields.
15459
15460	PR 7091
15461	* output.cc (Output_section::find_starting_output_address): Rename
15462	from starting_output_address; add PADDR parameter; change return
15463	type.
15464	* output.h (class Output_section): Declare
15465	find_starting_output_address instead of starting_output_address.
15466	* object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
15467	section symbol for which we can't find a merge section.
15468
15469	PR 9836
15470	* symtab.cc (Symbol_table::add_from_object): If the visibility is
15471	hidden or internal, force the symbol to be local.
15472	* resolve.cc (Symbol::override_visibility): Define.
15473	(Symbol::override_base): Use override_visibility.
15474	(Symbol_table::resolve): Likewise.
15475	(Symbol::override_base_with_special): Likewise.
15476	(Symbol_table::override_with_special): If the visibility is hidden
15477	or internal, force the symbol to be local.
15478	* symtab.h (class Symbol): Add set_visibility and
15479	override_visibility.
15480	* testsuite/ver_test_1.sh: New file.
15481	* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
15482	(check_DATA): Add ver_test_1.syms.
15483	(ver_test_1.syms): New target.
15484	* testsuite/Makefile.in: Rebuild.
15485
154862009-02-25  Cary Coutant  <ccoutant@google.com>
15487
15488	* layout.cc (Layout::choose_output_section): Don't rename sections
15489	when using a linker script that has a SECTIONS clause.
15490	* Makefile.in: Regenerate.
15491
15492	* testsuite/Makefile.am (script_test_5.sh): New test case.
15493	* testsuite/Makefile.in: Regenerate.
15494	* testsuite/script_test_5.cc: New file.
15495	* testsuite/script_test_5.sh: New file.
15496	* testsuite/script_test_5.t: New file.
15497
154982009-02-13  Rafael Avila de Espindola  <espindola@google.com>
15499
15500	* archive.cc (Archive::include_member): Update calls to add_symbols.
15501	* dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
15502	the Layout argument.
15503	* dynobj.h (do_add_symbols): Add the Layout argument.
15504	* object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
15505	Layout argument.
15506	* object.h (Object::add_symbols): Add the Layout argument.
15507	(Object::do_add_symbols): Add the Layout argument.
15508	(Sized_relobj::do_add_symbols): Add the Layout argument.
15509	* plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
15510	Unify the two versions.
15511	(Add_plugin_symbols): Remove.
15512	* plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
15513	(Sized_pluginobj::do_add_symbols): Unify the two versions.
15514	(Add_plugin_symbols): Remove.
15515	* readsyms.cc (Read_symbols::do_read_symbols): Update call to
15516	Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
15517	(Add_symbols::run): Make it work with Pulginobj.
15518
155192009-02-06  Ian Lance Taylor  <iant@google.com>
15520
15521	* object.cc (Sized_relobj::do_layout): Make info message start
15522	with lower case letter.
15523
155242009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
15525
15526	* binary.cc: Fix file comment.
15527
15528	* options.h (enum Incremental_disposition): Define.
15529	(class General_options): Add new options: --incremental,
15530	--incremental_changed, --incremental_unchanged,
15531	--incremental_unknown.  Add incremental_disposition_ and
15532	implicit_incremental_ fields.
15533	(General_options::incremental_disposition): New function.
15534	(class Position_dependent_options): Add incremental_disposition
15535	option.
15536	(Position_dependent_options::copy_from_options): Set incremental
15537	dispositions.
15538	* options.cc (General_options::parse_incremental_changed): New
15539	function.
15540	(General_options::parse_incremental_unchanged): New function.
15541	(General_options::parse_incremental_unknown): New function.
15542	(General_options::General_options): Initialize new fields
15543	incremental_disposition_ and implicit_incremental_.
15544	(General_options::finalize): Check for uasge of --incremental-*
15545	without --incremental.
15546
155472009-02-06  Chris Demetriou  <cgd@google.com>
15548
15549	* gold.h (gold_undefined_symbol): Change to take only a Symbol
15550	pointer and to report location as the file name associated with
15551	the symbol.
15552	(gold_undefined_symbol_at_location): New function to replace the
15553	old gold_undefined_symbol functionality.
15554	* target-reloc.h (relocate_section): Update to use
15555	gold_undefined_symbol_at_location.
15556	* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
15557	Call gold_undefined_symbol function rather than gold_error.
15558	* errors.h (Errors::undefined_symbol): Take location as a
15559	string, rather than calculating it from a relocation.
15560	* errors.cc (Errors::fatal): Print "fatal error:" before the
15561	formatted message.
15562	(Errors::error, Errors::error_at_location): Print "error: "
15563	before the formatted message.
15564	(Errors::undefined_symbol): Take location as a string, rather
15565	than calculating it from a relocation.
15566	(gold_undefined_symbol_at_location): New function akin to
15567	old gold_undefined_symbol, calculates location from relocation.
15568	(gold_undefined_symbol): Change to take only a Symbol pointer
15569	and to report location as the file name associated with the symbol.
15570	* testsuite/debug_msg.sh: Update for changed error messages.
15571	* testsuite/undef_symbol.sh: Likewise.
15572
155732009-02-04  Duncan Sands  <baldrick@free.fr>
15574
15575	PR 9812
15576	* reduced_debug_output.h
15577	(Output_reduced_debug_abbrev_section::failed): Use format for
15578	gold_warning.
15579	(Output_reduced_debug_info_section::faild): Likewise.
15580
155812009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
15582
15583	* script.cc (Lazy_demangler): New class.
15584	(Version_script_info::get_symbol_version_helper): Demangle a
15585	symbol only once.
15586
155872009-01-29  Cary Coutant  <ccoutant@google.com>
15588
15589	* i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
15590	to __tls_get_addr.
15591	* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
15592
155932009-01-28  Ian Lance Taylor  <iant@google.com>
15594
15595	* version.cc (version_string): Bump to 1.9.
15596
15597	* gold.h: Include <cstring> and <stdint.h>.
15598	* version.cc: Include <cstdio>.
15599	* object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
15600	warning.
15601	* reduced_debug_output.cc (insert_into_vector): Rename from
15602	Insert_into_vector; change all callers.  Use Swap_unaligned to
15603	avoid aliasing issue; remove union since it is unnecessary.
15604
156052009-01-27  Sriraman Tallam  <tmsriram@google.com>
15606
15607	* Makefile.am (CCFILES): Add gc.cc.
15608	(HFILES): Add gc.h.
15609	* Makefile.in: Regenerate.
15610	* gold.cc (Gc_runner): New class.
15611	(queue_initial_tasks): Call garbage collection related tasks
15612	when corresponding options are invoked.
15613	(queue_middle_gc_tasks): New function.
15614	(queue_middle_tasks): Reorder tasks to allow relocs to be read and
15615	processed early before laying out sections during garbage collection.
15616	* gold.h (queue_middle_gc_tasks): New function.
15617	(is_prefix_of): Move from "layout.cc".
15618	* i386.cc (Target_i386::gc_process_relocs): New function.
15619	* layout.cc (is_prefix_of): Remove. Move to "gold.h"
15620	* main.cc (main): Create object of class "Garbage_collection".
15621	* object.cc (Relobj::copy_symbols_data): New function.
15622	(Relobj::is_section_name_included): New function.
15623	(Sized_relobj::do_layout): Allow this function to be called twice
15624	during garbage collection and defer layout of section during the
15625	first call.
15626	* object.h (Relobj::get_symbols_data): New function.
15627	(Relobj::is_section_name_included): New function.
15628	(Relobj::copy_symbols_data): New function.
15629	(Relobj::set_symbols_data): New function.
15630	(Relobj::get_relocs_data): New function.
15631	(Relobj::set_relocs_data): New function.
15632	(Relobj::is_output_section_offset_invalid): New pure virtual function.
15633	(Relobj::gc_process_relocs): New function.
15634	(Relobj::do_gc_process_relocs): New pure virtual function.
15635	(Relobj::sd_): New data member.
15636	(Sized_relobj::is_output_section_offset_invalid): New function.
15637	(Sized_relobj::do_gc_process_relocs): New function.
15638	* options.h (General_options::gc_sections): Modify to not be a no-op.
15639	(General_options::print_gc_sections): New option.
15640	* plugin.cc (Plugin_finish::run): Remove function call to
15641	Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
15642	* powerpc.cc (Target_powerpc::gc_process_relocs): New function.
15643	* reloc.cc (Read_relocs::run): Add task to process relocs and
15644	determine unreferenced sections when doing garbage collection.
15645	(Gc_process_relocs): New class.
15646	(Sized_relobj::do_gc_process_relocs): New function.
15647	(Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
15648	sections that are garbage collected.
15649	* reloc.h (Gc_process_relocs): New class.
15650	* sparc.cc (Target_sparc::gc_process_relocs): New function.
15651	* symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
15652	symbols whose corresponding sections are garbage collected.
15653	(Symbol_table::Symbol_table): Add new parameter for the garbage
15654	collection object.
15655	(Symbol_table::gc_mark_undef_symbols): New function.
15656	(Symbol_table::gc_mark_symbol_for_shlib): New function.
15657	(Symbol_table::gc_mark_dyn_syms): New function.
15658	(Symbol_table::resolve): Do not treat symbols seen in dynamic objects
15659	as garbage.
15660	(Symbol_table::add_from_object): Likewise.
15661	(Symbol_table::add_from_relobj): When building shared objects, do not
15662	treat externally visible symbols as garbage.
15663	(Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
15664	table information for static and relocatable links.
15665	* symtab.h (Symbol_table::set_gc): New function.
15666	(Symbol_table::gc): New function.
15667	(Symbol_table::gc_mark_undef_symbols): New function.
15668	(Symbol_table::gc_mark_symbol_for_shlib): New function.
15669	(Symbol_table::gc_mark_dyn_syms): New function.
15670	(Symbol_table::gc_): New data member.
15671	* target.h (Sized_target::gc_process_relocs): New pure virtual
15672	function.
15673	* x86_64.cc (Target_x86_64::gc_process_relocs): New function.
15674	* testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
15675
156762009-01-20  Chris Faylor <me.sourceware@sourceware.org>
15677
15678	* options.h (General_options::gc_sections): Define as a no-op for now.
15679	(General_options::no_keep_memory): Ditto.
15680	(General_options::Bshareable): Define.
15681	* options.cc (General_options::finalize): Honor -Bshareable.
15682
156832009-01-20  Andreas Schwab  <schwab@suse.de>
15684
15685	* powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
15686	read the value in the contents, since we don't use it.  Use the
15687	template endianness when writing.
15688	(Relocate::relocate): Use it for R_PPC_REL16_HA.
15689
156902009-01-19  Andreas Schwab  <schwab@suse.de>
15691
15692	* configure.tgt (powerpc64-*): Fix targ_obj.
15693
156942009-01-15  Ian Lance Taylor  <iant@google.com>
15695
15696	* object.cc (Sized_relobj::write_local_symbols): Don't write out
15697	local symbols when stripping all symbols.
15698
156992009-01-14  Cary Coutant  <ccoutant@google.com>
15700
15701	* output.cc (Output_reloc): Add explicit instantiations.
15702
157032009-01-14  Cary Coutant  <ccoutant@google.com>
15704
15705	* archive.cc (Archive::get_elf_object_for_member): Remove call
15706	to File_read::claim_for_plugin.
15707	* descriptors.cc (Descriptors::open): Remove reference to
15708	is_claimed.
15709	(Descriptors::claim_for_plugin): Remove.
15710	* descriptors.h (Descriptors::claim_for_plugin): Remove.
15711	(Descriptors::is_claimed): Remove.
15712	(claim_descriptor_for_plugin): Remove.
15713	* fileread.cc (File_read::claim_for_plugin): Remove.
15714	* fileread.h (File_read::claim_for_plugin): Remove.
15715	(File_read::descriptor): Reopen descriptor if necessary.
15716	* plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
15717	(Plugin_manager::all_symbols_read): Add task parameter. Change
15718	all callers.
15719	(Plugin_manager::get_input_file): New function.
15720	(Plugin_manager::release_input_file): New function.
15721	(Pluginobj::Pluginobj): Add filesize parameter and initialize
15722	corresponding data member.
15723	(Sized_pluginobj::Sized_pluginobj): Add filesize parameter
15724	and pass to base constructor. Change all callers.
15725	(get_input_file, release_input_file): New functions.
15726	(make_sized_plugin_object): Add filesize parameter. Change all callers.
15727	* plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
15728	(Plugin_manager::all_symbols_read): Add task parameter.
15729	(Plugin_manager::get_input_file): New function.
15730	(Plugin_manager::release_input_file): New function.
15731	(Plugin_manager::task_): New data member.
15732	(Pluginobj::Pluginobj): Add filesize parameter.
15733	(Pluginobj::filename): New function.
15734	(Pluginobj::descriptor): New function.
15735	(Pluginobj::filesize): New function.
15736	(Pluginobj::filesize_): New data member.
15737	(Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
15738	* readsyms.cc (Read_symbols::do_read_symbols): Remove call to
15739	File_read::claim_for_plugin; use Object::unlock to unlock the file.
15740
15741	* testsuite/Makefile.am (plugin_test_4): New test case for plugins
15742	with archive libraries.
15743	* testsuite/Makefile.in: Regenerate.
15744	* testsuite/plugin_test.c (struct sym_info): New type.
15745	(get_input_file, release_input_file): New static variables.
15746	(onload): Capture new transfer vector entries.
15747	(claim_file_hook): Stop reading at end of file according to filesize.
15748	Factor out parsing of readelf output into separate function.
15749	(all_symbols_read_hook): Exercise get_input_file and release_input_file
15750	APIs and get the source file name from the symbol table.  Convert
15751	source file name to corresponding object file name.  Print info
15752	message when adding new input files.
15753	(parse_readelf_line): New function.
15754	* testsuite/plugin_test_1.sh: Add checks for new info messages.
15755	* testsuite/plugin_test_2.sh: Likewise.
15756	* testsuite/plugin_test_3.sh: Likewise.
15757	* testsuite/plugin_test_4.sh: New test case.
15758
157592009-01-07  Ian Lance Taylor  <iant@google.com>
15760
15761	* version.cc (version_string): Bump to 1.8.
15762
157632008-12-23  Cary Coutant  <ccoutant@google.com>
15764
15765	* gold.cc (gold_exit): Call plugin cleanup handlers on exit.
15766	* plugin.cc (Plugin_manager::finish): Rename as
15767	layout_deferred_objects.  Move cleanup to separate function.
15768	(Plugin_manager::cleanup): New function.
15769	(Plugin_finish::run): Call layout_deferred_objects and cleanup
15770	separately.
15771	* plugin.h (Plugin_manager::finish): Rename as
15772	layout_deferred_objects.
15773	(Plugin_manager::cleanup): New function.
15774	(Plugin_manager::cleanup_done): New field.
15775
157762008-12-23  Cary Coutant  <ccoutant@google.com>
15777
15778	* plugin.cc (is_visible_from_outside): New function.
15779	(Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
15780	so we don't return "IR only" status for exported symbols or -r links.
15781
15782	* testsuite/Makefile.am (plugin_test_3): New test case.
15783	* testsuite/Makefile.in: Regenerate.
15784	* testsuite/plugin_test_3.sh: New file.
15785
157862008-12-22  Cary Coutant  <ccoutant@google.com>
15787
15788	* object.cc (Sized_relobj::layout_section): New function.
15789	(Sized_relobj::do_layout): Defer layout of input sections until after
15790	plugin has provided replacement files.
15791	(Sized_relobj::do_layout_deferred_sections): New function.
15792	* object.h (Relobj::set_section_offset): Remove virtual keyword.
15793	(Relobj::layout_deferred_sections): New function.
15794	(Relobj::do_layout_deferred_sections): New function.
15795	(Sized_relobj::do_layout_deferred_sections): New function.
15796	(Sized_relobj::layout_section): New function.
15797	(Sized_relobj::Deferred_layout): New structure.
15798	(Sized_relobj::deferred_layout_): New field.
15799	* plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
15800	Change all callers.  Layout deferred sections.
15801	(class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
15802	references.
15803	(Plugin_hook::run): Move code from do_plugin_hook inline.
15804	(Plugin_hook::do_plugin_hook): Remove.
15805	* plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
15806	(Plugin_manager::finish): Renamed, was cleanup.
15807	(Plugin_manager::should_defer_layout): New function.
15808	(Plugin_manager::add_deferred_layout_object): New function.
15809	(Plugin_manager::Deferred_layout_list): New type.
15810	(Plugin_manager::deferred_layout_objects_): New field.
15811	(Plugin_hook::do_plugin_hook): Remove.
15812
158132008-12-17  Ian Lance Taylor  <iant@google.com>
15814
15815	* options.h (class General_options): Add --no case for
15816	--export-dynamic.
15817
158182008-12-16  Cary Coutant  <ccoutant@google.com>
15819
15820	* plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
15821	vector.
15822	(Plugin_manager::claim_file): Create plugin object even if
15823	plugin did not call the add_symbols callback.
15824	(Plugin_obj::get_symbol_resolution_info): Guard against plugin
15825	asking for more symbols than were added.
15826	* testsuite/Makefile.am (plugin_test_1): Add test case with
15827	no global symbols.
15828	(empty.syms): New target.
15829	* testsuite/Makefile.in: Regenerate.
15830	* testsuite/plugin_test.c (claim_file_hook): Add new debug
15831	message. Don't call add_symbols if no globals.
15832	(all_symbols_read_hook): Don't provide replacement for empty
15833	claimed file.
15834
158352008-12-12  Ian Lance Taylor  <iant@google.com>
15836
15837	* target-reloc.h (Default_scan_relocatable_relocs): Only discard
15838	r_type == 0 for a local symbol with r_sym == 0.
15839	(scan_relocatable_relocs): Pass r_sym to
15840	local_non_section_strategy.
15841	* reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
15842	r_sym parameter.
15843
15844	* configure.ac: Update test for TLS descriptors: they are
15845	supported as of glibc 2.9.
15846	* configure: Rebuild.
15847
158482008-12-11  Ian Lance Taylor  <iant@google.com>
15849
15850	PR 7091
15851	* target-reloc.h (Default_scan_relocatable_relocs): For each
15852	function, map r_type == 0 to RELOC_DISCARD.
15853
158542008-12-10  Cary Coutant  <ccoutant@google.com>
15855
15856	* layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
15857	object to override a kept COMDAT group from a plugin object.
15858
158592008-12-09  Ian Lance Taylor  <iant@google.com>
15860
15861	PR 7088
15862	* yyscript.y (file_cmd): Handle INPUT.
15863
15864	* testsuite/initpri1.c: Change all declarations to be full
15865	prototypes by adding void, to avoid compiler warnings.
15866
158672008-12-05  Rafael Avila de Espindola  <espindola@google.com>
15868
15869	* options.cc (General_options::parse_plugin_opt): New.
15870	(General_options::add_plugin): The argument now is just the filename.
15871	(General_options::add_plugin_option): New.
15872	* options.h (plugin_opt): New.
15873	(add_plugin): Change argument name.
15874	(add_plugin_option): New.
15875	* plugin.cc (Plugin::load): Don't parse the plugin option.
15876	* plugin.h (Plugin::Plugin): Rename argument. Init filename_.
15877	(Plugin::add_option): New.
15878	(Plugin::args_): Change type.
15879	(Plugin::filename_): New.
15880	(Plugin_manager::add_plugin_option): New.
15881	* testsuite/Makefile.am (plugin_test_1): Use new syntax.
15882	* testsuite/Makefile.in: Regenerate.
15883
158842008-12-05  Cary Coutant  <ccoutant@google.com>
15885
15886	* layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
15887	Handle --strip-lto-sections option.
15888	* options.h (strip_lto_sections): New option.
15889
158902008-12-01  Cary Coutant  <ccoutant@google.com>
15891
15892	* plugin.cc (ld_plugin_message): Change format parameter to const.
15893	Fix mismatch between new[] and delete.
15894
158952008-11-14  Cary Coutant  <ccoutant@google.com>
15896
15897	* reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
15898	instead of -1U.
15899
159002008-11-05  Craig Silverstein  <csilvers@google.com>
15901
15902	* options.cc (General_options::parse_dynamic_list): New function.
15903	* options.h (General_options): New flags dynamic_list,
15904	dynamic_list_data, dynamic_list_cpp_new, and
15905	dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
15906	(General_options::in_dynamic_list): New function.
15907	* script.cc (Lex::Mode): New enum DYNAMIC_LIST.
15908	(Lex::can_start_name): Add support for DYNAMIC_LIST mode.
15909	(Lex::can_continue_name): Likewise.
15910	(yylex): Likewise.
15911	(read_script_file): New parameter script_options.
15912	(read_dynamic_list): New function.
15913	(Script_options::define_dynamic_list): New function.
15914	(dynamic_list_keyword_parsecodes): New variable.
15915	(dynamic_list_keywords): New variable.
15916	* script.h (Script_options::define_dynamic_list): New function
15917	prototype.
15918	(read_dynamic_list): New function prototype.
15919	* symtab.cc (strprefix): New macro.
15920	(Symbol::should_add_dynsym_entry): Support dynamic_list,
15921	dynamic_list_data, dynamic_list_cpp_new, and
15922	dynamic_list_cpp_typeinfo.
15923	* yyscript.y (PARSING_DYNAMIC_LIST): New token.
15924	(dynamic_list_expr): New rule.
15925	(dynamic_list_nodes): Likewise.
15926	(dynamic_list_node): Likewise.
15927	* testsuite/Makefile.am (dynamic_list): New test.
15928	* testsuite/Makefile.in: Regenerated.
15929	* testsuite/dynamic_list.t: New file.
15930	* testsuite/dynamic_list.sh: New file.
15931
159322008-11-05  Craig Silverstein  <csilvers@google.com>
15933
15934	* testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
15935	* testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
15936	(t11_last): Likewise.
15937	* testsuite/ver_test_6.c (main): Likewise.
15938
159392008-10-07  Cary Coutant  <ccoutant@google.com>
15940
15941	* options.c (General_options::finalize): Add check for -static and
15942	-shared.
15943	* gold.cc (queue_middle_tasks): Assert that list of dynamic objects
15944	is not empty.
15945
159462008-10-02  Cary Coutant  <ccoutant@google.com>
15947
15948	* plugin.cc (make_sized_plugin_object): Fix conditional
15949	compilation to work when not all targets are enabled.
15950
159512008-09-29  Cary Coutant  <ccoutant@google.com>
15952
15953	* archive.cc (Archive::get_file_and_offset): Use filename instead
15954	of name to get library path.
15955	(Archive::include_member): Unlock external member of a thin archive.
15956
15957	* testsuite/Makefile.am (TEST_AR): New variable.
15958	(thin_archive_test_1): New test.
15959	(thin_archive_test_2): New test.
15960	* testsuite/Makefile.in: Regenerate.
15961	* testsuite/thin_archive_main.cc: New file.
15962	* testsuite/thin_archive_test_1.cc: New file.
15963	* testsuite/thin_archive_test_2.cc: New file.
15964	* testsuite/thin_archive_test_3.cc: New file.
15965	* testsuite/thin_archive_test_4.cc: New file.
15966
159672008-09-29  Cary Coutant  <ccoutant@google.com>
15968
15969	* mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
15970	* object.cc (Sized_relobj::do_layout): Use constant invalid_address
15971	instead of -1U.
15972	(Sized_relobj::do_finalize_local_symbols): Likewise.
15973	(Sized_relobj::map_to_kept_section): Likewise.
15974	* object.h (Sized_relobj::invalid_address): New constant.
15975	(Sized_relobj::do_output_section_offset): Check for invalid_address
15976	and return -1ULL.
15977	* output.cc (Output_reloc::local_section_offset): Use constant
15978	invalid_address instead of -1U.
15979	(Output_reloc::get_address): Likewise.
15980	(Output_section::output_address): Change -1U to -1ULL.
15981	* output.h (Output_reloc::invalid_address): New constant.
15982	* reloc.cc (Sized_relobj::write_sections): Use constant
15983	invalid_address instead of -1U.
15984	(Sized_relobj::relocate_sections): Likewise.
15985	* symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
15986	values for merge sections.
15987	* target-reloc.h (relocate_for_relocatable): Use constant
15988	invalid_address instead of -1U.
15989
159902008-09-19  Cary Coutant  <ccoutant@google.com>
15991
15992	Add plugin functionality for link-time optimization (LTO).
15993	* configure.ac (plugins): Add --enable-plugins option.
15994	* configure: Regenerate.
15995	* config.in: Regenerate.
15996	* Makefile.am (LIBDL): New variable.
15997	(CCFILES): Add plugin.cc.
15998	(HFILES): Add plugin.h.
15999	(ldadd_var): Add LIBDL.
16000	* Makefile.in: Regenerate.
16001
16002	* archive.cc: Include "plugin.h".
16003	(Archive::setup): Don't preread archive symbols when using a plugin.
16004	(Archive::get_file_and_offset): Add memsize parameter.  Change callers.
16005	(Archive::get_elf_object_for_member): Call plugin hooks for claiming
16006	files.
16007	(Archive::include_member): Add symbols from plugin objects.
16008	* archive.h (Archive::get_file_and_offset): Add memsize parameter.
16009	* descriptors.cc (Descriptors::open): Check for file descriptors
16010	abandoned by plugins.
16011	(Descriptors::claim_for_plugin): New function.
16012	* descriptors.h (Descriptors::claim_for_plugin): New function.
16013	(Open_descriptor::is_claimed): New field.
16014	(claim_descriptor_for_plugin): New function.
16015	* fileread.cc (File_read::claim_for_plugin): New function.
16016	* fileread.h (File_read::claim_for_plugin): New function.
16017	(File_read::descriptor): New function.
16018	* gold.cc: Include "plugin.h".
16019	(queue_initial_tasks): Add task to call plugin hooks for generating
16020	new object files.
16021	* main.cc: Include "plugin.h".
16022	(main): Load plugin libraries.
16023	* object.h (Pluginobj): Declare.
16024	(Object::pluginobj): New function.
16025	(Object::do_pluginobj): New function.
16026	(Object::set_target): New function.
16027	* options.cc: Include "plugin.h".
16028	(General_options::parse_plugin): New function.
16029	(General_options::General_options): Initialize plugins_ field.
16030	(General_options::add_plugin): New function.
16031	* options.h (Plugin_manager): Declare.
16032	(General_options): Add --plugin option.
16033	(General_options::has_plugins): New function.
16034	(General_options::plugins): New function.
16035	(General_options::add_plugin): New function.
16036	(General_options::plugins_): New field.
16037	* plugin.cc: New file.
16038	* plugin.h: New file.
16039	* readsyms.cc: Include "plugin.h".
16040	(Read_symbols::do_read_symbols): Check for archive before checking
16041	for ELF file.  Call plugin hooks to claim files.
16042	* resolve.cc (Symbol_table::resolve): Record when symbol is referenced
16043	from a real object file; force override when processing replacement
16044	files.
16045	* symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
16046	(Symbol::init_base_object): Likewise.
16047	(Symbol::init_base_output_data): Likewise.
16048	(Symbol::init_base_output_segment): Likewise.
16049	(Symbol::init_base_constant): Likewise.
16050	(Symbol::init_base_undefined): Likewise.
16051	(Symbol::output_section): Assert that object is not a plugin.
16052	(Symbol_table::add_from_pluginobj): New function.
16053	(Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
16054	undefined.
16055	(Symbol_table::sized_write_globals): Likewise.
16056	(Symbol_table::add_from_pluginobj): Instantiate template.
16057	* symtab.h (Sized_pluginobj): Declare.
16058	(Symbol::in_real_elf): New function.
16059	(Symbol::set_in_real_elf): New function.
16060	(Symbol::in_real_elf_): New field.
16061	(Symbol_table::add_from_pluginobj): New function.
16062
16063	* testsuite/Makefile.am (AM_CFLAGS): New variable.
16064	(LIBDL): New variable.
16065	(LDADD): Add LIBDL.
16066	(check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
16067	(check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
16068	(check_DATA): Add plugin_test_1.err and plugin_test_2.err.
16069	(MOSTLYCLEANFILES): Likewise.
16070	* testsuite/Makefile.in: Regenerate.
16071	* testsuite/plugin_test.c: New file.
16072	* testsuite/plugin_test_1.sh: New file.
16073	* testsuite/plugin_test_2.sh: New file.
16074
160752008-09-16  Ian Lance Taylor  <iant@google.com>
16076
16077	* target-reloc.h (relocate_section): Check whether a symbol is
16078	defined by the ABI before reporting an undefined symbol error.
16079	* target.h (Target::is_defined_by_abi): Make parameter const.
16080	(Target::do_is_defined_by_abi): Likewise.
16081	* i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
16082	* powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
16083	* sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
16084	* x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
16085	* testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
16086	* testsuite/Makefile.in: Rebuild.
16087
16088	* fileread.cc (make_view): Add casts to avoid warning.
16089
160902008-09-16  Alexandre Oliva  <aoliva@redhat.com>
16091
16092	* i386.cc (Target_i386::define_tls_base_symbol): Update comments.
16093	* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
16094
160952008-09-16  Alexandre Oliva  <aoliva@redhat.com>
16096
16097	* options.h (General_options::output_is_executable): New.
16098	(General_options::output_is_pie): New.
16099	* i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
16100	for shared libraries.
16101	* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
16102
161032008-09-11  Chris Demetriou  <cgd@google.com>
16104
16105	* options.h (origin): New -z option.
16106	* layout.cc (Layout:finish_dynamic_section): If "-z origin"
16107	is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
16108	in DT_FLAGS_1.
16109
161102008-09-05  Cary Coutant  <ccoutant@google.com>
16111
16112	* fileread.cc (File_read::make_view): Add check for attempt to map
16113	beyond end of file.
16114
161152008-09-05  Cary Coutant  <ccoutant@google.com>
16116
16117	* symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
16118	explicit instantiations.
16119
161202008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
16121
16122	PR gold/6858
16123	* options.cc (General_options::finalize): Allow undefined symbols
16124	in shlibs if linking -shared.
16125
16126	PR gold/6859
16127	* symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
16128	symbols as not needing a dynsym entry.
16129
161302008-08-20  Craig Silverstein  <csilvers@google.com>
16131
16132	* fileread.cc (File_read::open): Do not lock the file unless it
16133	was successfully opened.
16134
161352008-08-14  Cary Coutant  <ccoutant@google.com>
16136
16137	* x86_64.cc (Target_x86_64::Relocate::relocat_tls):
16138	Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
16139	* testsuite/tls_test.cc (struct int128): 128-bit struct
16140	for testing TLS relocs with non-zero addend.
16141	(v12): New TLS variable.
16142	(t12): New test.
16143	(t_last): Add check for v12.
16144	* testsuite/tls_test.h (t12): New function.
16145	* testsuite/tls_test_main.cc (thread_routine): Call new test.
16146
161472008-08-13  Ian Lance Taylor  <iant@google.com>
16148
16149	* layout.cc (Layout::attach_allocated_section_to_segment): Don't
16150	set tls_segment_ or relro_segment_.
16151	(Layout::make_output_segment): Set tls_segment_ and relro_segment_
16152	when appropriate.
16153	* output.h (Output_section::clear_is_relro): New function.
16154	* output.cc (Output_segment::add_output_section): Handle SHF_TLS
16155	sections specially even when output_data_ is empty.
16156	(Output_segment::maximum_alignment): When first section is relro,
16157	only force alignment for PT_LOAD segments.
16158	* script.cc (script_data_segment_align): New function.
16159	(script_data_segment_relro_end): New function.
16160	* script-c.h (script_data_segment_align): Declare.
16161	(script_data_segment_relro_end): Declare.
16162	* script-sections.h (class Script_sections): Declare
16163	data_segment_align and data_segment_relro_end.  Add fields
16164	segment_align_index_ and saw_relro_end_.
16165	* script-sections.cc (class Sections_element): Add set_is_relro
16166	virtual function.  Add new bool* parameter to place_orphan_here.
16167	Add get_output_section virtual function.
16168	(class Output_section_definition): Add set_is_relro.  Add new
16169	bool* parameter to place_orphan_here.  Add get_output_section.
16170	Add is_relro_ field.
16171	(Output_section_definition::Output_section_definition): Initialize
16172	evaluated_address_, evaluated_load_address, evaluated_addralign_,
16173	and is_relro_ fields.
16174	(Output_section_definition::place_orphan_here): Add is_relro
16175	parameter.
16176	(Output_section_definition::set_section_addresses): Set relro for
16177	output section.
16178	(Output_section_definition::alternate_constraint): Likewise.
16179	(class Orphan_output_section): Add new bool* parameter to
16180	place_orphan_here.  Add get_output_section.
16181	(Orphan_output_section::place_orphan_here): Add is_relro
16182	parameter.
16183	(Script_sections::Script_sections): Initialize
16184	data_segment_align_index_ and saw_relro_end_.
16185	(Script_sections::data_segment_align): New function.
16186	(Script_sections::data_segment_relro_end): New function.
16187	(Script_sections::place_orphan): Set or clear is_relro.
16188	(Script_sections::set_section_addresses): Force alignment of first
16189	TLS section.
16190	* yyscript.y (exp): Call script_data_segment_align and
16191	script_data_segment_relro_end.
16192	* testsuite/relro_script_test.t: New file.
16193	* testsuite/relro_test.cc (using_script): Declare.
16194	(t1, t2): Test using_script.
16195	* testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
16196	(relro_script_test_SOURCES): Define.
16197	(relro_script_test_DEPENDENCIES): Define.
16198	(relro_script_test_LDFLAGS): Define.
16199	(relro_script_test_LDADD): Define.
16200	(relro_script_test.so): New target.
16201	* testsuite/Makefile.in: Rebuild.
16202
162032008-08-06  Cary Coutant <ccoutant@google.com>
16204
16205	* archive.cc (Archive::total_archives, Archive::total_members)
16206	(Archive::total_members_loaded): New variables.
16207	(Archive::setup): Add parameter.  Add option to preread
16208	archive symbols.
16209	(Archive::read_armap): Add counter.
16210	(Archive::get_file_and_offset): New function.
16211	(Archive::get_elf_object_for_member): New function.
16212	(Archive::read_all_symbols): New function.
16213	(Archive::read_symbols): New function.
16214	(Archive::add_symbols): Add counters.
16215	(Archive::include_all_members): Use armap to find members if it's
16216	already built.
16217	(Archive::include_member): Skip reading symbols if already read.
16218	Factored code into Archive::get_file_and_offset and
16219	Archive::get_elf_object_for_member.  Changed call to
16220	Mapfile::report_include_archive_member.
16221	(Archive::print_stats): New function.
16222	* archive.h: Declare Object and Read_symbols_data classes.
16223	(Archive::Archive): Add initializers for new members.
16224	(Archive::setup): Add parameter.
16225	(Archive::print_stats): New function.
16226	(Archive::total_archives, Archive::total_members)
16227	(Archive::total_members_loaded): New variables.
16228	(Archive::get_file_and_offset): New function.
16229	(Archive::get_elf_object_for_member): New function.
16230	(Archive::read_all_symbols): New function.
16231	(Archive::read_symbols): New function.
16232	(Archive::Archive_member): New class.
16233	(Archive::members_): New member.
16234	(Archive::num_members_): New member.
16235	* main.cc: Include archive.h.
16236	(main): Call Archive::print_stats.
16237	* mapfile.cc (Mapfile::report_include_archive_member): Delete
16238	archive parameter; member_name is now the fully-decorated name.
16239	* mapfile.h (Mapfile::report_include_archive_member): Likewise.
16240	* options.h: (General_options): Add --preread-archive-symbols option.
16241	* readsyms.cc (Read_symbols::do_read_symbols): Change call to
16242	Archive::setup.
16243
162442008-08-04  Ian Lance Taylor  <iant@google.com>
16245
16246	* symtab.h (Symbol::use_plt_offset): New function.
16247	* i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
16248	* powerpc.cc (Relocate::relocate): Likewise.
16249	* sparc.cc (Relocate::relocate): Likewise.
16250	* x86_64.cc (Relocate::relocate): Likewise.
16251	* testsuite/weak_plt.sh: New test.
16252	* testsuite/weak_plt_main.cc: New test.
16253	* testsuite/weak_plt_shared.cc: New test.
16254	* testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
16255	(check_PROGRAMS): Add weak_plt.
16256	(check_DATA): Add weak_plt_shared.so.
16257	(weak_plt_main_pic.o, weak_plt): New targets.
16258	(weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
16259	* testsuite/Makefile.in: Rebuild.
16260
16261	* testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
16262	gcctestdir/ld.
16263	(weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
16264	* testsuite/Makefile.in: Rebuild.
16265
162662008-08-04  Alan Modra  <amodra@bigpond.net.au>
16267
16268	* Makefile.am (POTFILES.in): Set LC_ALL=C.
16269	* Makefile.in: Regenerate.
16270	* po/POTFILES.in: Regenerate.
16271
162722008-07-29  Ian Lance Taylor  <iant@google.com>
16273
16274	* script.cc (Script_options::finalize_symbols): Finalize SECTIONS
16275	symbols before other symbols.
16276	* testsuite/script_test_2.cc (test_addr): Declare.
16277	(test_addr_alias): Declare.
16278	(main): Check that test_addr and test_addr_alias have the right
16279	values.
16280	* testsuite/script_test_2.t: Define test_addr_alias and
16281	test_addr.
16282
162832008-07-24  Ian Lance Taylor  <iant@google.com>
16284
16285	PR 5990
16286	* descriptors.cc: New file.
16287	* descriptors.h: New file.
16288	* gold-threads.h (class Hold_optional_lock): New class.
16289	* fileread.cc: Include "descriptors.h".
16290	(File_read::~File_read): Release descriptor rather than closing
16291	it.
16292	(File_read::open) [file]: Call open_descriptor rather than open.
16293	Set is_descriptor_opened_.
16294	(File_read::open) [memory]: Assert that descriptor is not open.
16295	(File_read::reopen_descriptor): New function.
16296	(File_read::release): Release descriptor.
16297	(File_read::do_read): Make non-const.  Reopen descriptor.
16298	(File_read::read): Make non-const.
16299	(File_read::make_view): Reopen descriptor.
16300	(File_read::do_readv): Likewise.
16301	* fileread.h (class File_read): Add is_descriptor_opened_ field.
16302	Update declarations.
16303	* layout.cc: Include "descriptors.h".
16304	(Layout::create_build_id): Use open_descriptor rather than open.
16305	* output.cc: Include "descriptors.h".
16306	(Output_file::open): Use open_descriptor rather than open.
16307	* archive.cc (Archive::const_iterator): Change Archive to be
16308	non-const.
16309	(Archive::begin, Archive::end): Make non-const.
16310	(Archive::count_members): Likewise.
16311	* archive.h (class Archive): Update declarations.
16312	* object.h (Object::read): Make non-const.
16313	* Makefile.am (CCFILES): Add descriptors.cc.
16314	(HFILES): Add descriptors.h.
16315	* Makefile.in: Rebuild.
16316
16317	PR 6716
16318	* gold.h: Always include <clocale>.  Add Solaris workarounds
16319	following code in binutils/sysdep.h.
16320
16321	PR 6048
16322	* ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
16323	this->eh_frame_hdr_ is NULL before using it.
16324
16325	* dynobj.cc (Versions::Versions): Update comment.
16326
16327	* dynobj.cc (Versions::Versions): If there is an soname, use it as
16328	the base version name.
16329
16330	* stringpool.cc (Stringpool_template::add_with_length): Set key to
16331	array size plus one.
16332	(Stringpool_template::set_string_offsets): Subtract one from key
16333	before using it as an array index.
16334	(Stringpool_template::get_offset_with_length): Likewise.
16335	(Stringpool_template::write_to_buffer): Likewise.
16336	* stringpool.h (Stringpool_template::get_offset_from_key):
16337	Likewise.
16338
163392008-07-23  Ian Lance Taylor  <iant@google.com>
16340
16341	PR 6658
16342	* object.h (Merged_symbol_value::value): Do our best to handle a
16343	negative addend.
16344
16345	PR 6647
16346	* script.cc (Version_script_info::get_versions): Don't add empty
16347	version tag to return value.
16348	(Version_script_info::get_symbol_version_helper): Change return
16349	type to bool.  Add pversion parameter.  Change all callers.
16350	(script_register_vers_node): Don't require a non-NULL tag.
16351	* script.h (class Version_script_info): Update declarations.
16352	(Version_script_info::get_symbol_version): Change return type to
16353	bool.  Add version parameter.  Change all callers.
16354	* symtab.cc (Sized_symbol::add_from_relobj): Rework version
16355	handling.  Handle an empty version from a version script.
16356	(Symbol_table::define_special_symbol): Likewise.
16357	* testsuite/ver_test_10.script: New file.
16358	* testsuite/ver_test_10.sh: New file.
16359	* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
16360	(check_DATA): Add ver_test_10.syms.
16361	(ver_test_10.syms, ver_test_10.so): New target.
16362	* testsuite/Makefile.in: Rebuild.
16363
163642008-07-23  Simon Baldwin  <simonb@google.com>
16365
16366	* symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
16367	to zero for undefined symbols from dynamic libraries.
16368
163692008-07-23  Ian Lance Taylor  <iant@google.com>
16370
16371	* symtab.cc (Symbol_table::resolve): Remove version parameter.
16372	Change all callers.
16373	* symtab.h (class Symbol_table): Update declaration.
16374	* testsuite/ver_test_9.cc: New file.
16375	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
16376	(ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
16377	(ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
16378	(ver_test_9.so, ver_test_9.o): New targets.
16379	* testsuite/Makefile.in: Rebuild.
16380
163812008-07-22  Ian Lance Taylor  <iant@google.com>
16382
16383	* options.h (class General_options): Define --check-sections.
16384	* layout.cc (Layout::set_segment_offsets): Handle
16385	--check-sections.
16386
16387	* options.h (class General_options): Define -n/--nmagic and
16388	-N/--omagic.
16389	* options.cc (General_options::finalize): For -n/--nmagic or
16390	-N/--omagic, set -static.
16391	* layout.cc (Layout::attach_allocated_section_to_segment): If
16392	-N/--omagic, don't put read-only and read-write sections in
16393	different segments.
16394	(Layout::find_first_load_seg): If -N/--omagic, don't insist on
16395	finding a read-only segment.
16396	(Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
16397	don't set the minimum segment alignment to the common page size,
16398	and don't set the file offset to the address modulo the page size.
16399	* script-sections.cc (Script_sections::create_segments): If
16400	-n/--omagic, don't put read-only and read-write sections in
16401	different segments.
16402
16403	* cref.cc: New file.
16404	* cref.h: New file.
16405	* options.h (class General_options): Add --print-symbol-counts.
16406	* main.cc (main): Issue defined symbol report if requested.
16407	* archive.cc (Archive::interpret_header): Make into a const member
16408	function.
16409	(Archive::add_symbols): Call Input_objects::archive_start and
16410	archive_stop.
16411	(Archive::const_iterator): Define new class.
16412	(Archive::begin, Archive::end): New functions.
16413	(Archive::include_all_members): Rewrite to use iterator.
16414	(Archive::count_members): New function.
16415	* archive.h (class Archive): Update declarations.
16416	(Archive::filename): New function.
16417	* object.cc: Include "cref.h".
16418	(Sized_relobj::Sized_relobj): Initialize defined_count_.
16419	(Sized_relobj::do_get_global_symbol_counts): New function.
16420	(Input_objects::add_object): Add object to cross-referencer.
16421	(Input_objects::archive_start): New function.
16422	(Input_objects::archive_stop): New function.
16423	(Input_objects::print_symbol_counts): New function.
16424	* object.h: Declare Cref and Archive.
16425	(Object::get_global_symbol_counts): New function.
16426	(Object::do_get_global_symbol_counts): New pure virtual function.
16427	(class Sized_relobj): Add defined_count_ field.  Update
16428	declarations.
16429	(class Input_objects): Add cref_ field.  Update constructor.
16430	Update declarations.
16431	* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
16432	defined_count_.
16433	(Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
16434	symbol counts.
16435	(Sized_dynobj::do_get_global_symbol_counts): New function.
16436	* dynobj.h (class Sized_dynobj): Add fields symbols_ and
16437	defined_count_.  Update declarations.  Define Symbols typedef.
16438	* symtab.cc (Symbol_table::add_from_relobj): Add defined
16439	parameter.  Change all callers.
16440	(Symbol_table::add_from_dynobj): Add sympointers and defined
16441	parameters.  Change all callers.
16442	* symtab.h (class Symbol_table): Update declarations.
16443	* Makefile.am (CCFILES): Add cref.cc.
16444	(HFILES): Add cref.h.
16445	* Makefile.in: Rebuild.
16446
164472008-07-22  Simon Baldwin  <simonb@google.com>
16448
16449	* symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
16450	to zero when writing undefined symbols.
16451
164522008-07-22  Ian Lance Taylor  <iant@google.com>
16453
16454	* output.cc (Output_section::add_input_section): Don't try to
16455	merge empty merge sections.
16456
164572008-07-21  Craig Silverstein  <csilvers@google.com>
16458
16459	* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
16460	Include symbol version in error message.
16461
164622008-07-20  Chris Demetriou  <cgd@google.com>
16463
16464	* configure.ac (gold_cv_c_random_seed): New configured variable.
16465	(RANDOM_SEED_CFLAGS): New substituted variable.
16466	* Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
16467	* configure: Rebuild.
16468	* Makefile.in: Likewise.
16469	* testsuite/Makefile.in: Likewise.
16470
164712008-07-18  Ian Lance Taylor  <iant@google.com>
16472
16473	* symtab.cc (Symbol_table::add_from_object): Rewrite the case
16474	where we see NAME/NULL and NAME/VERSION  as separate symbols.
16475	* testsuite/ver_test_main.cc (main): Call t4.
16476	(t4, t4_2a): Define.
16477	* testsuite/ver_test_2.cc (t4_2): Define.
16478	* testsuite/ver_test_2.script: Put t4_2a in VER2.
16479	* testsuite/ver_test_4.cc (t4_2a): Define.
16480	* testsuite/ver_test_4.script: Put t4_2a in VER2.
16481	* testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
16482
164832008-07-17  Ian Lance Taylor  <iant@google.com>
16484
16485	* dynobj.cc (Versions::add_def): If we give an error about a
16486	missing version, go ahead and create the version anyhow.
16487
164882008-07-10  Ian Lance Taylor  <iant@google.com>
16489
16490	Handle output sections with more than 0x7fffffff bytes.
16491	* object.h (class Relobj): Change map_to_output_ to
16492	output_sections_, and just keep a section pointer.  Change all
16493	uses.  Move comdat group support to Sized_relobj.
16494	(Relobj::is_section_specially_mapped): Remove.
16495	(Relobj::output_section): Remove poff parameter.  Change all
16496	callers.
16497	(Relobj::output_section_offset): New function.
16498	(Relobj::set_section_offset): Rewrite.
16499	(Relobj::map_to_output): Remove.
16500	(Relobj::output_sections): New function.
16501	(Relobj::do_output_section_offset): New pure virtual function.
16502	(Relobj::do_set_section_offset): Likewise.
16503	(class Sized_relobj): Add section_offsets_ field.  Add comdat
16504	group support from Relobj.  Update declarations.
16505	(Sized_relobj::get_output_section_offset): New function.
16506	(Sized_relobj::do_output_section_offset): New function.
16507	(Sized_relobj::do_set_section_offset): New function.
16508	* object.cc (Relobj::output_section_address): Remove.
16509	(Sized_relobj::Sized_relobj): Initialize new fields.
16510	(Sized_relobj::include_section_group): Cast find_kept_object to
16511	Sized_relobj.
16512	(Sized_relobj::include_linkonce_section): Likewise.
16513	(Sized_relobj::do_layout): Use separate arrays for output section
16514	and output offset.
16515	(Sized_relobj::do_count_local_symbols): Change map_to_output to
16516	output_sections.
16517	(Sized_relobj::do_finalize_local_symbols): Change map_to_output to
16518	output_sections and section_offsets.
16519	(Sized_relobj::write_local_symbols): Likewise.
16520	(map_to_kept_section): Compute output address directly.
16521	* reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
16522	output_sections and section_offsets.
16523	(Sized_relobj::write_sections): Likewise.
16524	(Sized_relobj::relocate_sections): Likewise.
16525	* symtab.cc (sized_finalize_symbol): Use output_section_offset.
16526	* output.h (class Output_reloc): Update declarations.  Change
16527	u2_.relobj to Sized_relobj*.
16528	(class Output_data_reloc): Change add functions to use
16529	Sized_relobj*.
16530	* output.cc (Output_reloc::Output_reloc): Change relobj to
16531	Sized_relobj*.
16532	(Output_reloc::local_section_offset): Change return type to
16533	Elf_Addr.  Use get_output_section_offset.
16534	(Output_reloc::get_address): Likewise.
16535	(Output_section::is_input_address_mapped): Don't call
16536	is_section_specially_mapped.
16537	(Output_section::output_offset): Likewise.
16538	(Output_section::output_address): Likewise.
16539	(Output_section::starting_output_address): Likewise.
16540	* copy-relocs.cc (Copy_relocs::copy_reloc): Change object
16541	parameter to Sized_relobj*.
16542	(Copy_relocs::need_copy_reloc): Likewise.
16543	(Copy_relocs::save): Likewise.
16544	* copy-relocs.h (class Copy_relocs): Update declarations.
16545	(class Copy_relocs::Copy_reloc_entry): Change constructor to use
16546	Sized_relobj*.  Change relobj_ field to Sized_relobj*.
16547	* target-reloc.h (relocate_for_relocatable): Change
16548	offset_in_output_section type to Elf_Addr.  Change code that uses
16549	it as well.
16550	* layout.cc (Layout::layout): Always set *off.
16551	* mapfile.cc (Mapfile::print_input_section): Use
16552	output_section_offset.
16553	* i386.cc (Target_i386::copy_reloc): Change object parameter to
16554	Sized_relobj*.
16555	* powerpc.cc (Target_powerpc::copy_reloc): Likewise.
16556	* sparc.cc (Target_sparc::copy_reloc): Likewise.
16557	* x86_64.cc (Target_x86_64::copy_reloc): Likewise.
16558
165592008-07-03  Ian Lance Taylor  <iant@google.com>
16560
16561	* layout.cc (Layout::include_section): Do not discard unrecognized
16562	SHT_STRTAB sections.
16563
165642008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
16565
16566	* script.cc (Lex::can_continue_name): Make '?' allowable in
16567	version-script names.
16568	* testsuite/version_script.map: Change glob pattern to use '?'
16569
165702008-06-30  Manish Singh  <yosh@gimp.org>
16571
16572	PR 6585
16573	* symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
16574	Correct typo.
16575
165762008-06-30  Ian Lance Taylor  <iant@google.com>
16577
16578	PR 6660
16579	PR 6682
16580	* powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
16581	versions]: Don't try to read the value in the contents, since we
16582	don't use it.  Use the template endianness when writing.
16583
165842008-06-25  Cary Coutant  <ccoutant@google.com>
16585
16586	* fileread.cc (File_read::make_view): Assert on zero-length view.
16587	* object.cc (Sized_relobj::do_read_symbols): Don't try to read
16588	symbol table when there are no symbols to read.
16589
165902008-06-23  Craig Silverstein  <csilvers@google.com>
16591
16592	* version.cc (version_string): Bump to 1.7
16593
165942008-06-18  Craig Silverstein  <csilvers@google.com>
16595
16596	* powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
16597	constant 0xFFFF to type Valtype.
16598	(Powerpc_relocate_functions::rel16_ha): Likewise.
16599
166002008-06-17  Ian Lance Taylor  <iant@google.com>
16601
16602	* output.h (Output_section::Input_section): Initialize p2align_ to
16603	zero for Output_section_data constructors.
16604	(Output_section::Input_section::addralign): If not an input
16605	section, return the alignment of the Output_section_data.
16606	* testsuite/copy_test.cc: New file.
16607	* testsuite/copy_test_1.cc: New file.
16608	* testsuite/copy_test_2.cc: New file.
16609	* testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
16610	(copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
16611	(copy_test_LDFLAGS, copy_test_LDADD): New variables.
16612	(copy_test_1_pic.o, copy_test_1.so): New targets.
16613	(copy_test_2_pic.o, copy_test_2.so): New targets.
16614	* testsuite/Makefile.in: Rebuild.
16615
16616	* script-sections.cc (Script_sections::place_orphan): Initialize
16617	local variable exact.
16618
166192008-06-13  David Edelsohn  <edelsohn@gnu.org>
16620
16621	* powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
16622
166232008-06-12  David Edelsohn  <edelsohn@gnu.org>
16624	    David S. Miller  <davem@davemloft.net>
16625
16626	* powerpc.cc: New file.
16627	* Makefile.am (TARGETSOURCES): Add powerpc.cc
16628	(ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
16629	* configure.tgt: Add entries for powerpc-* and powerpc64-*.
16630	* Makefile.in: Rebuild.
16631
166322008-06-09  Ian Lance Taylor  <iant@google.com>
16633
16634	* testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
16635	<exception>.
16636	(throwing, orig_terminate): New static variables.
16637	(terminate_handler): New static function.
16638	(t2): Set terminate handler.
16639
166402008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
16641
16642	PR 6584
16643	* binary.cc (Binary_to_elf::sized_convert): Fix .data
16644	alignment.
16645
166462008-05-30  Cary Coutant  <ccoutant@google.com>
16647
16648	* archive.cc (Archive::include_all_members) Correct to step
16649	over symbol table and extended name table in thin archives.
16650
166512008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
16652
16653	PR 6407
16654	* target-reloc.h (relocate_for_relocatable): Fix new_offset
16655	calculation.
16656
166572008-05-28  Caleb Howe  <cshowe@google.com>
16658
16659	* reduced_debug_output.cc: New file.
16660	* reduced_debug_output.h: New file.
16661	* options.h (class General_options): Add --strip-debug-non-line.
16662	* options.cc (General_options::finalize): Add strip_debug_non_line
16663	to the strip heirarchy.
16664	* layout.h (class Layout): Add debug_abbrev_ and debug_info_
16665	fields.
16666	* layout.cc: Include "reduced_debug_output.h".
16667	(Layout::Layout): Initialize new fields.
16668	(line_only_debug_sections): New static array.
16669	(is_lines_only_debug_sections): New static inline function.
16670	(Layout::include_section): Handle --strip-debug-non-line.
16671	(Layout::make_output_section): If --strip-debug-non-line, build
16672	new output sections for .debug_abbrev and .debug_info.
16673	* dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
16674	gold.  Warn about possible overflow.
16675	(read_signed_LEB_128): Likewise.
16676	* dwarf_reader.h: (read_unsigned_LEB_128): Declare.
16677	(read_signed_LEB_128): Declare.
16678	* Makefile.am (CCFILES): Add reduced_debug_output.cc.
16679	(HFILES): Add reduced_debug_output.h.
16680	* Makefile.in: Rebuild.
16681
166822008-05-21  Ian Lance Taylor  <iant@google.com>
16683
16684	* mapfile.cc: New file.
16685	* mapfile.h: New file.
16686	* options.h (class General_options): Add -M/--print-map and -Map.
16687	* options.cc (General_options::finalize): Make -M equivalent to
16688	-Map -.
16689	* main.cc: Include <cstdio> and "mapfile.h".
16690	(main): Open mapfile if requested.
16691	* gold.cc (class Middle_runner): Add mapfile_ field.  Update
16692	constructor.  Change caller.
16693	(queue_initial_tasks): Add mapfile parameter.  Change caller.
16694	(queue_middle_tasks): Likewise.
16695	* gold.h (queue_initial_tasks, queue_middle_tasks): Update
16696	declarations.
16697	* archive.cc: Include "mapfile.h".
16698	(Archive::add_symbols): Add mapfile parameter.  Change all
16699	callers.  Pass mapfile, symbol, and reason to include_member.
16700	(Archive::include_all_members): Add mapfile parameter.  Change all
16701	callers.
16702	(Archive::include_member): Add mapfile, sym, and why parameters.
16703	Change all callers.  Report inclusion to map file.
16704	* archive.h: Include "fileread.h".
16705	(class Archive): Update declarations.
16706	(Archive::file): New const method.
16707	(class Add_archive_symbols): Add mapfile_ field.  Update
16708	constructor.  Change all callers.
16709	* readsyms.h (class Read_symbols): Likewise.
16710	(class Finish_group): Likewise.
16711	(class Read_script): Likewise.
16712	* common.cc: Include "mapfile.h".
16713	(Symbol_table::allocate_commons): Add mapfile parameter.  Change
16714	all callers.
16715	(Symbol_table::do_allocate_commons): Likewise.
16716	(Symbol_table::do_allocate_commons_list): Likewise.  Report common
16717	symbol allocation to mapfile.
16718	* common.h (class Allocate_commons_task): Add mapfile_ field.
16719	Update constructor.  Change all callers.
16720	* symtab.h (class Symbol_table): Update declarations.
16721	* layout.cc: Include "mapfile.h".
16722	(Layout_task_runner::run): Print information to mapfile.
16723	(Layout::create_gold_note): Change Output_data_fixed_space to
16724	Output_data_zero_fill.
16725	(Layout::create_build_id): Likewise.
16726	(Layout::print_to_mapfile): New function.
16727	* layout.h (class Layout_task_runner): Add mapfile_ field.  Update
16728	constructor.  Change caller.
16729	(class Layout): Declare print_to_mapfile.
16730	* output.cc (Output_section::Input_section::print_to_mapfile): New
16731	function.
16732	(Output_section::add_input_section): If producing a map, always
16733	add to input_sections_ list.
16734	(Output_section::do_print_to_mapfile): New function.
16735	(Output_segment::print_sections_to_mapfile): New function.
16736	(Output_segment::print_section_list_to_mapfile): New function.
16737	* output.h: Include "mapfile.h".
16738	(Output_data::print_to_mapfile): New function.
16739	(Output_data::do_print_to_mapfile): New virtual function.
16740	(Output_segment_headers::do_print_to_mapfile): New function.
16741	(Output_file_header::do_print_to_mapfile): New function.
16742	(Output_data_const::do_print_to_mapfile): New function.
16743	(class Output_data_const_buffer): Add map_name_ field.  Update
16744	constructor.  Change all callers.  Add do_print_to_mapfile
16745	function.
16746	(class Output_data_fixed_space): Likewise.
16747	(class Output_data_space): Likewise.
16748	(class Output_data_zero_fill): New class.
16749	(Output_data_strtab::do_print_to_mapfile): New function.
16750	(Output_data_reloc_base::do_print_to_mapfile): New function.
16751	(Output_relocatable_relocs::do_print_to_mapfile): New function.
16752	(Output_data_group::do_print_to_mapfile): New function.
16753	(Output_data_got::do_print_to_mapfile): New function.
16754	(Output_data_dynamic::do_print_to_mapfile): New function.
16755	(Output_symtab_xindex::do_print_to_mapfile): New function.
16756	(class Output_section): Declare do_print_to_mapflie.  Declare
16757	print_to_mapfile in Input_section.
16758	(class Output_segment): Declare new functions.
16759	* object.h (Sized_relobj::symbol_count): New function.
16760	* script-sections.cc
16761	(Output_section_element_dot_assignment::set_section_addresses):
16762	Change Output_data_fixed_space to Output_data_zero_fill.
16763	(Output_data_expression::do_print_to_mapfile): New function.
16764	* script.cc (read_input_script): Add mapfile parameter.  Change
16765	all callers.
16766	* script.h (read_input_script): Update declaration.
16767	* ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
16768	(Eh_frame::do_print_to_mapfile): New function.
16769	* merge.h (Output_merge_data::do_print_to_mapfile): New function.
16770	(Output_merge_string::do_print_to_mapfile): New function.
16771	* i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
16772	function.
16773	* sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
16774	function.
16775	* x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
16776	function.
16777	* Makefile.am (CCFILES): Add mapfile.cc.
16778	(HFILES): Add mapfile.h.
16779	* Makefile.in: Rebuild.
16780
167812008-05-19  Ian Lance Taylor  <iant@google.com>
16782
16783	* options.h (class General_options): Add -z relro.
16784	* layout.cc (Layout::Layout): Initialize relro_segment_.
16785	(Layout::add_output_section_data): Return the output section.
16786	(Layout::make_output_section): Rcognize relro sections and mark
16787	them appropriately.
16788	(Layout::attach_allocated_section_to_segment): Put relro sections
16789	in a PT_GNU_RELRO segment.
16790	(Layout::create_initial_dynamic_sections): Mark the .dynamic
16791	section as relro.
16792	(Layout::segment_precedes): Sort PT_GNU_RELRO segments after
16793	PT_TLS segments.
16794	(Layout::linkonce_mapping): Map d.rel.ro.local to
16795	.data.rel.ro.local.
16796	(Layout::output_section_name): Us .data.rel.ro.local for any
16797	section which begins with that.
16798	* layout.h (class Layout): Update add_output_section_data
16799	declaration.  Add relro_segment_ field.
16800	* output.cc (Output_section::Output_section): Initialize is_relro_
16801	and is_relro_local_ fields.
16802	(Output_segment::add_output_section): Group relro sections.
16803	(Output_segment::is_first_section_relro): New function.
16804	(Output_segment::maximum_alignment): If there is a relro section,
16805	align the segment to the common page size.
16806	(Output_segment::set_section_addresses): Track whether we are
16807	looking at relro sections.  If the last section is a relro
16808	section, align to the common page size.
16809	(Output_segment::set_section_list_addresses): Add in_relro
16810	parameter.  Change all callers.  Align to the page size when
16811	moving from relro to non-relro section.
16812	(Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
16813	segment.
16814	* output.h (class Output_section): Add is_relro_ and
16815	is_relro_local_ fields.
16816	(Output_section::is_relro): New function.
16817	(Output_section::set_is_relro): New function.
16818	(Output_section::is_relro_local): New function.
16819	(Output_section::set_is_relro_local): New function.
16820	(class Output_segment): Update declarations.
16821	* i386.cc (Target_i386::got_section): Mark .got section as relro.
16822	* sparc.cc (Target_sparc::got_section): Likewise.
16823	* x86_64.cc (Target_x86_64::got_section): Likewise.
16824	* testsuite/relro_test_main.cc: New file.
16825	* testsuite/relro_test.cc: New file.
16826	* testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
16827	(relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
16828	(relro_test_LDFLAGS, relro_test_LDADD): New variables.
16829	(relro_test.so, relro_test_pic.o): New targets.
16830	* testsuite/Makefile.in: Rebuild.
16831
168322008-05-16  Ian Lance Taylor  <iant@google.com>
16833
16834	* output.cc (Output_segment::add_output_section): Remove front
16835	parameter.
16836	* output.h (class Output_segment): Remove
16837	add_initial_output_section and overloaded add_output_section.
16838	Update declaration of remaining add_output_section.
16839	* layout.cc (Layout::create_interp): Call add_output_section
16840	rather than add_initial_output_section.
16841	(Layout::finish_dynamic_section): Likewise.
16842
16843	* i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
16844	for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
16845	know the dynamic type.
16846	* x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
16847	field.  Initialize it in constructor.
16848	(Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
16849	block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
16850	Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
16851	reloc.
16852
16853	* output.cc (Output_reloc::get_address): Change return type to
16854	Elf_Addr.
16855	* output.h (class Output_reloc): Update get_address declaration.
16856	* x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
16857	for section addresses.
16858
168592008-05-09  Ian Lance Taylor  <iant@google.com>
16860
16861	PR 6493
16862	* gold.cc (gold_nomem): Use return value of write.
16863
168642008-05-08  Ian Lance Taylor  <iant@google.com>
16865
16866	* symtab.c (Symbol::init_base_output_data): Add version
16867	parameter.  Change all callers.
16868	(Symbol::init_base_output_segment): Likewise.
16869	(Symbol::init_base_constant): Likewise.
16870	(Symbol::init_base_undefined): Likewise.
16871	(Sized_symbol::init_output_data): Likewise.
16872	(Sized_symbol::init_output_segment): Likewise.
16873	(Sized_symbol::init_constant): Likewise.
16874	(Sized_symbol::init_undefined): Likewise.
16875	(Symbol_table::do_define_in_output_data): If the new symbol has a
16876	version, mark it as the default.
16877	(Symbol_table::do_define_in_output_segment): Likewise.
16878	(Symbol_table::do_define_as_constant): Likewise.
16879	* symtab.h (class Symbol): Update declarations.
16880	(class Sized_symbol): Likewise.
16881	* resolve.cc (Symbol::override_version): New function.
16882	(Symbol::override_base): Call override_version.
16883	(Symbol::override_base_with_special): Likewise.
16884	* testsuite/ver_script_8.script: New file.
16885	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
16886	(ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
16887	(ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
16888	(ver_test_8_1.so, ver_test_8_2.so): New targets.
16889
168902008-05-06  Ian Lance Taylor  <iant@google.com>
16891
16892	PR 6049
16893	* options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
16894	functions.
16895	(class General_options): Remove existing --undefined, and add
16896	--no-undefined instead.  Add new --undefined as synonym for -u.
16897	* archive.cc (Archive::add_symbols): Check whether symbol was
16898	named with -u.
16899	* gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
16900	* symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
16901	all uses.  Add IS_UNDEFINED.  Update declarations to split
16902	different versions of init_base.  Declare init_base_undefined.
16903	(Symbol::is_defined): Handle IS_UNDEFINED.
16904	(Symbol::is_undefined): Likewise.
16905	(Symbol::is_weak_undefined): Call is_undefined.
16906	(Symbol::is_absolute): Handle IS_CONSTANT.
16907	(class Sized_symbol): Update declarations to split different
16908	versions of init.  Declare init_undefined.
16909	(class Symbol_table): Declare new functions.
16910	* symtab.cc (Symbol::init_base_object): Rename from init_base.
16911	Change all callers.
16912	(Symbol::init_base_output_data): Likewise.
16913	(Symbol::init_base_output_segment): Likewise.
16914	(Symbol::init_base_constant): Likewise.
16915	(Symbol::init_base_undefined): New function.
16916	(Sized_symbol::init_object): Rename from init.  Change all
16917	callers.
16918	(Sized_symbol::init_output_data): Likewise.
16919	(Sized_symbol::init_output_segment): Likewise.
16920	(Sized_symbol::init_constant): Likewise.
16921	(Sized_symbol::init_undefined): New function.
16922	(Symbol_table::add_undefined_symbols_from_command_line): New
16923	function.
16924	(Symbol_table::do_add_undefined_symbols_from_command_line): New
16925	function.
16926	(Symbol::final_value_is_known): Handle IS_UNDEFINED.
16927	(Symbol::output_section): Likewise.
16928	(Symbol::set_output_section): Likewise.
16929	(Symbol_table::sized_finalize_symbol): Likewise.
16930	(Symbol_table::sized_write_globals): Likewise.
16931	* resolve.cc (Symbol_table::should_override): Likewise.
16932	(Symbol::override_base_with_special): Likewise.
16933
16934	* symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
16935	symbol, change it to have default visibility.
16936	* testsuite/protected_1.cc: New file.
16937	* testsuite/protected_2.cc: New file.
16938	* testsuite/protected_3.cc: New file.
16939	* testsuite/protected_main_1.cc: New file.
16940	* testsuite/protected_main_2.cc: New file.
16941	* testsuite/protected_main_3.cc: New file.
16942	* testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
16943	(protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
16944	(protected_1_LDFLAGS, protected_1_LDADD): Define.
16945	(protected_1.so): New target.
16946	(protected_1_pic.o, protected_2_pic.o): New targets.
16947	(protected_3_pic.o): New target.
16948	(check_PROGRAMS): Add protected_2.
16949	(protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
16950	(protected_2_LDFLAGS, protected_2_LDADD): Define.
16951	* testsuite/Makefile.in: Rebuild.
16952
16953	* options.h (DEFINE_var): Add set_user_set_##varname__.
16954	(DEFINE_bool_alias): New macro.
16955	(class General_options): Define -Bstatic using DEFINE_bool_alias
16956	rather than DEFINE_special.  Add --undefined as an alias for -z
16957	defs.
16958	* options.cc (General_options::parse_Bstatic): Remove.
16959
16960	* options.h (class General_options): Add --fatal-warnings.
16961	* main.cc (main): Implement --fatal-warnings.
16962	* errors.h (Errors::warning_count): New function.
16963
16964	* options.h (class General_options): Add -Bsymbolic-functions.
16965	* symtab.h (Symbol::is_preemptible): Check for
16966	-Bsymbolic-functions.
16967
169682008-05-05  Ian Lance Taylor  <iant@google.com>
16969
16970	* options.h (DEFINE_bool): For DASH_Z, create the negative option
16971	as noVARNAME rather than no-VARNAME.
16972	(class General_options): Add option -z combreloc.
16973	* output.h (class Output_reloc) [SHT_REL]: Declare compare and
16974	get_address.
16975	(Output_reloc::sort_before) [SHT_REL]: New function.
16976	(Output_reloc::sort_before) [SHT_RELA]: New function.
16977	(class Output_data_reloc_base): Add sort_relocs_ field.  Define
16978	Sort_relocs_comparison.
16979	(Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
16980	parameter.  Change all callers.
16981	(Output_data_reloc::Output_data_reloc) [both versions]: Add
16982	sort_relocs parameter.  Change all callers.
16983	* output.cc (Output_reloc::get_address): New function, broken out
16984	of write_rel.
16985	(Output_reloc::write_rel): Call it.
16986	(Output_reloc::compare): New function.
16987	(Output_data_reloc_base::do_write): Optionally sort relocs.
16988
16989	* configure.ac: If targ_extra_obj is set, link it in.
16990	* configure.tgt: Initialize all variables.
16991	(x86_64*): Set targ_extra_obj and targ_extra_size.
16992	* configure: Rebuild.
16993
16994	* object.cc (Sized_relobj::include_section_group): Adjust section
16995	indexes read from group data.  Build vector to pass to
16996	layout_group.
16997	* layout.cc (Layout::layout_group): Add flags and shndxes
16998	parameters.  Remove contents parameter.  Change caller.  Update
16999	explicit instantiations.
17000	* layout.h (class Layout): Update layout_group declaration.
17001	* output.cc (Output_data_group::Output_data_group): Add flags and
17002	input_shndxes parameters.  Remove contents parameter.  Change
17003	caller.
17004	(Output_data_group::do_write): Change input_sections_ to
17005	input_shndxes_.
17006	* output.h (class Output_data_group): Update constructor
17007	declaration.  Rename input_sections_ to input_shndxes_.
17008	* testsuite/many_sections_test.cc: Add template.
17009
170102008-04-30  Cary Coutant  <ccoutant@google.com>
17011
17012	* target-reloc.h (relocate_section): Fix dead-pointer bug.
17013
17014	* layout.cc (Layout::include_section): Refactored check for debug
17015	info section.
17016	(Layout::add_comdat): Add new parameters.  Change type
17017	of signature parameter.  Add object and shndx to signatures table.
17018	(Layout::find_kept_object): New function.
17019	* layout.h: Include <cstring>.
17020	(Layout::is_debug_info_section): New function.
17021	(Layout::add_comdat): Add new parameters.
17022	(Layout::find_kept_object): New function.
17023	(Layout::Kept_section): New struct.
17024	(Layout::Signatures): Change type of map range.
17025	* object.cc (Relobj::output_section_address): New function.
17026	(Sized_relobj::include_section_group): Add new parameters.  Change
17027	calls to Layout::add_comdat.  Change to build table of kept comdat
17028	groups and table mapping discarded sections to kept sections.
17029	(Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
17030	(Sized_relobj::do_layout): Change calls to include_section_group and
17031	include_linkonce_section.
17032	(Sized_relobj::do_finalize_local_symbols): Do not set local symbol
17033	value to zero when section is discarded.
17034	(Sized_relobj::map_to_kept_section): New function.
17035	* object.h (Relobj::output_section_address): New function.
17036	(Relobj::Comdat_group): New type.
17037	(Relobj::find_comdat_group): New function.
17038	(Relobj::Comdat_group_table): New type.
17039	(Relobj::Kept_comdat_section): New type.
17040	(Relobj::Kept_comdat_section_table): New type.
17041	(Relobj::add_comdat_group): New function.
17042	(Relobj::set_kept_comdat_section): New function.
17043	(Relobj::get_kept_comdat_section): New function.
17044	(Relobj::comdat_groups_): New field.
17045	(Relobj::kept_comdat_sections_): New field.
17046	(Symbol_value::input_value): Update comment.
17047	(Sized_relobj::map_to_kept_section) New function.
17048	(Sized_relobj::include_linkonce_section): Add new parameter.
17049	* target-reloc.h (Comdat_behavior): New type.
17050	(get_comdat_behavior): New function.
17051	(relocate_section): Add code to map a discarded section to the
17052	corresponding kept section when applying a relocation.
17053
170542008-04-30  Craig Silverstein  <csilvers@google.com>
17055
17056	* dwarf_reader.cc (next_generation_count): New static var.
17057	(Addr2line_cache_entry): New struct.
17058	(addr2line_cache): New static var.
17059	(Dwarf_line_info::one_addr2line): Added caching.
17060	(Dwarf_line_info::clear_addr2line_cache): New function.
17061	* dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
17062	cache-size parameter.
17063	(Dwarf_line_info::one_addr2line_cache): New function.
17064	* symtab.cc (Symbol_table::detect_odr_violations): Pass
17065	new cache-size argument to one_addr2line(), and clear cache.
17066
170672008-04-28  Cary Coutant  <ccoutant@google.com>
17068
17069	* i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
17070	R_386_PC8 relocations.
17071
170722008-04-23  Ian Lance Taylor  <iant@google.com>
17073
17074	* object.cc (Sized_relobj::include_section_group): Check for
17075	invalid section group.
17076
17077	* object.cc (make_elf_object): Correct test for 64-bit ELF file
17078	header size.
17079
17080	* readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
17081	than read for file header.
17082	* archive.cc (Archive::include_member): Likewise.
17083
170842008-04-23  Paolo Bonzini  <bonzini@gnu.org>
17085
17086	* aclocal.m4: Regenerate.
17087	* configure: Regenerate.
17088
170892008-04-19  Ian Lance Taylor  <iant@google.com>
17090
17091	* version.cc (version_string): Bump to 1.6.
17092
17093	* testsuite/Makefile.am (many_sections_r_test): New target.
17094	(many_sections_r_test_SOURCES): Remove.
17095	(many_sections_r_test_DEPENDENCIES): Remove.
17096	(many_sections_r_test_LDFLAGS): Remove.
17097	(many_sections_r_test_LDADD): Remove.
17098
17099	* object.cc (Sized_relobj::do_add_symbols): Always pass
17100	local_symbol_count_ to add_from_relobj.
17101
17102	* testsuite/Makefile.am (many_sections_check.h): Only check one in
17103	every thousand variables.
17104	* testsuite/Makefile.in: Rebuild.
17105
17106	* object.cc (Xindex::initialize_symtab_xindex): New function.
17107	(Xindex::read_symtab_xindex): New function.
17108	(Xindex::sym_xindex_to_shndx): New function.
17109	(Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
17110	available.
17111	(Sized_relobj::do_initialize_xindex): New function.
17112	(Sized_relobj::do_read_symbols): Adjust section links.
17113	(Sized_relobj::symbol_section_and_value): Add is_ordinary
17114	parameter.  Change all callers.
17115	(Sized_relobj::include_section_group): Adjust section links and
17116	symbol section indexes.
17117	(Sized_relobj::do_layout): Adjust section links.
17118	(Sized_relobj::do_count_local_symbols): Adjust section links and
17119	symbol section indexes.
17120	(Sized_relobj::do_finalize_local_symbols): Distinguish between
17121	ordinary and special symbols.
17122	(Sized_relobj::write_local_symbols): Add symtab_xindex and
17123	dynsym_xindex parameters.  Change all callers.  Adjust section
17124	links.  Use SHN_XINDEX when needed.
17125	(Sized_relobj::get_symbol_location_info): Adjust section links.
17126	Don't get fooled by special symbols.
17127	* object.h (class Xindex): Define.
17128	(class Object): Add xindex_ parameter.  Declare virtual functoin
17129	do_initialize_xindex.
17130	(Object::adjust_sym_shndx): New function.
17131	(Object::set_xindex): New protected function.
17132	(class Symbol_value): Add is_ordinary_shndx_ field.
17133	(Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
17134	(Symbol_value::value): Assert ordinary section.
17135	(Symbol_value::initialize_input_to_output_map): Likewise.
17136	(Symbol_value::set_input_shndx): Add is_ordinary parameter.
17137	Change all callers.
17138	(Symbol_value::input_shndx): Add is_ordinary parameter.  Change
17139	all callers.
17140	(class Sized_relobj): Update declarations.
17141	(Sized_relobj::local_symbol_input_shndx): Add is_ordinary
17142	parameter.  Change all callers.
17143	(Sized_relobj::adjust_shndx): New function.
17144	* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
17145	field.
17146	(Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
17147	parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
17148	for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
17149	(Sized_dynobj::read_dynsym_section): Adjust section links.
17150	(Sized_dynobj::read_dynamic): Likewise.
17151	(Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
17152	section links.
17153	(Sized_dynobj::do_initialize_xindex): New function.
17154	* dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
17155	do_initialize_xindex.
17156	(Sized_dynobj::adjust_shndx): New function.
17157	* layout.cc (Layout::Layout): Initialize symtab_xindex_ and
17158	dynsym_xindex_ fields.
17159	(Layout::finalize): Add a call to set_section_indexes before
17160	creating the symtab sections.
17161	(Layout::set_section_indexes): Don't do anything if the section
17162	already has a section index.
17163	(Layout::create_symtab_sections): Add shnum parameter.  Change
17164	caller.  Create .symtab_shndx section if needed.
17165	(Layout::create_shdrs): Add shstrtab_section parameter.  Change
17166	caller.
17167	(Layout::allocated_output_section_count): New function.
17168	(Layout::create_dynamic_symtab): Create .dynsym_shndx section if
17169	needed.
17170	* layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
17171	fields.  Update declarations.
17172	(Layout::symtab_xindex): New function.
17173	(Layout::dynsym_xindex): New function.
17174	(class Write_symbols_task): Add layout_ field.
17175	(Write_symbols_task::Write_symbols_task): Add layout parameter.
17176	Change caller.
17177	* output.cc (Output_section_headers::Output_section_headers): Add
17178	shstrtab_section parameter.  Change all callers.
17179	(Output_section_headers::do_sized_write): Store overflow values
17180	for section count and section string table section index in
17181	section header zero.
17182	(Output_file_header::do_sized_write): Check for overflow of
17183	section count and section string table section index.
17184	(Output_symtab_xindex::do_write): New function.
17185	(Output_symtab_xindex::endian_do_write): New function.
17186	* output.h (class Output_section_headers): Add shstrtab_section_.
17187	Update declarations.
17188	(class Output_symtab_xindex): Define.
17189	(Output_section::has_out_shndx): New function.
17190	* symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
17191	field.
17192	(Symbol::init_base): Add st_shndx and is_ordinary parameters.
17193	Change all callers.
17194	(Sized_symbol::init): Likewise.
17195	(Symbol::output_section): Check for ordinary symbol.
17196	(Symbol_table::add_from_object): Remove orig_sym parameter.  Add
17197	st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
17198	callers.
17199	(Symbol_table::add_from_relobj): Add symndx_offset parameter.
17200	Change all callers.  Simplify handling of symbols from sections
17201	not included in the link.
17202	(Symbol_table::add_from_dynobj): Handle ordinary symbol
17203	distinction.
17204	(Weak_alias_sorter::operator()): Assert that symbols are
17205	ordinary.
17206	(Symbol_table::sized_finalize_symbol): Handle ordinary symbol
17207	distinction.
17208	(Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
17209	parameters.  Change all callers.
17210	(Symbol_table::sized_write_globals): Likewise.  Handle ordinary
17211	symbol distinction.  Use SHN_XINDEX when needed.
17212	(Symbol_table::write_section_symbol): Add symtab_xindex
17213	parameter.  Change all callers.
17214	(Symbol_table::sized_write_section_symbol): Likewise.  Use
17215	SHN_XINDEX when needed.
17216	* symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
17217	declarations.
17218	(Symbol::shndx): Add is_ordinary parameter.  Change all callers.
17219	(Symbol::is_defined): Check is_ordinary.
17220	(Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
17221	(Symbol::is_absolute, Symbol::is_common): Likewise.
17222	(class Sized_symbol): Update declarations.
17223	(class Symbol_table): Update declarations.
17224	* resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
17225	parameters.  Change all callers.
17226	(Sized_symbol::override): Likewise.
17227	(Symbol_table::override): Likewise.
17228	(symbol_to_bits): Add is_ordinary parameter.  Change all callers.
17229	(Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
17230	is_ordinary, and orig_st_shndx parameters.  Change all callers.
17231	* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
17232	to be in an ordinary section.
17233	* dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
17234	object and is_ordinary parameters.  Change all callers.
17235	(Sized_dwarf_line_info::read_relocs): Add object parameter.
17236	Change all callers.  Don't add undefined or non-ordinary symbols
17237	to reloc_map_.
17238	(Sized_dwarf_line_info::read_line_mappings): Add object parameter.
17239	Change all callers.
17240	* dwarf_reader.h (class Sized_dwarf_line_info): Update
17241	declarations.
17242	* ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
17243	* reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
17244	(Sized_relobj::relocate_sections): Likewise.
17245	* target-reloc.h (scan_relocs): Adjust section symbol index.
17246	(scan_relocatable_relocs): Likewise.
17247	* i386.cc (Scan::local): Check for ordinary symbols.
17248	* sparc.cc (Scan::local): Likewise.
17249	* x86_64.cc (Scan::local): Likewise.
17250	* testsuite/binary_unittest.cc (Sized_binary_test): Update calls
17251	to symbol_section_and_value.
17252	* testsuite/many_sections_test.cc: New file.
17253	* testsuite/Makefile.am (BUILT_SOURCES): Define.
17254	(check_PROGRAMS): Add many_sections_test.
17255	(many_sections_test_SOURCES): Define.
17256	(many_sections_test_DEPENDENCIES): Define.
17257	(many_sections_test_LDFLAGS): Define.
17258	(BUILT_SOURCES): Add many_sections_define.h.
17259	(many_sections_define.h): New target.
17260	(BUILT_SOURCES): Add many_sections_check.h.
17261	(many_sections_check.h): New target.
17262	(check_PROGRAMS): Add many_sections_r_test.
17263	(many_sections_r_test_SOURCES): Define.
17264	(many_sections_r_test_DEPENDENCIES): Define.
17265	(many_sections_r_test_LDFLAGS): Define.
17266	(many_sections_r_test_LDADD): Define.
17267	(many_sections_r_test.o): New target.
17268	* testsuite/Makefile.in: Rebuild.
17269
172702008-04-17  Cary Coutant  <ccoutant@google.com>
17271
17272	* errors.cc (Errors::info): New function.
17273	(gold_info): New function.
17274	* errors.h (Errors::info): New function.
17275	* gold.h (gold_info): New function.
17276	* object.cc (Input_objects::add_object): Print trace output.
17277	* options.cc (options::parse_set): New function.
17278	(General_options::parse_wrap): Deleted.
17279	(General_options::General_options): Deleted initializer.
17280	* options.h (options::String_set): New typedef.
17281	(options::parse_set): New function.
17282	(DEFINE_set): New macro.
17283	(General_options::wrap): Changed to use DEFINE_set. Changed
17284	callers of any_wrap_symbols and is_wrap_symbol.
17285	(General_options::trace, General_options::trace_symbol):
17286	New options.
17287	(General_options::any_wrap_symbols, General_options::is_wrap_symbol)
17288	(General_options::wrap_symbols_): Deleted.
17289	* symtab.cc (Symbol_table::add_from_object): Print trace output.
17290
172912008-04-17  David S. Miller  <davem@davemloft.net>
17292
17293	* options.cc (General_options::parse_V): New function.
17294	* options.h: Add entries for -V and -Qy.
17295
172962008-04-17  Ian Lance Taylor  <iant@google.com>
17297
17298	* common.cc (Symbol_table::allocate_commons): Remove options
17299	parameter.  Change caller.
17300	(Symbol_table::do_allocate_commons): Remove options parameter.
17301	Change caller.  Just call do_allocate_commons_list twice.
17302	(Symbol_table::do_allocate_commons_list): New function, broken out
17303	of do_allocate_commons.
17304	* common.h (class Allocate_commons_task): Remove options_ field.
17305	Update constructor.
17306	* symtab.cc (Symbol_table::Symbol_table): Initialize
17307	tls_commons_.
17308	(Symbol_table::add_from_object): Put TLS common symbols on
17309	tls_commons_ list.
17310	(Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
17311	which are IN_OUTPUT_DATA.
17312	* symtab.h (class Symbol_table): Add tls_commons_ field.  Update
17313	allocate_commons and do_allocate_commons declarations.  Declare
17314	do_allocate_commons_list.
17315	* gold.cc (queue_middle_tasks): Update creation of
17316	Allocate_commons_task to not pass options.
17317	* testsuite/Makefile.am (INCLUDES): Add -I.. .
17318	(TLS_TEST_C_FLAGS): New variable.
17319	(tls_test_c_pic.o): New target.
17320	(tls_test_shared.so): Link in tls_test_c_pic.o.
17321	(tls_test_c_pic_ie.o): New target.
17322	(tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
17323	(tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
17324	(tls_test_c.o): New target.
17325	(tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
17326	(tls_pic_test_LDADD): Likewise.
17327	(tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
17328	(tls_shared_gd_to_ie_test_LDADD): Likewise.
17329	(tls_test_c_gnu2.o): New target.
17330	(tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
17331	tls_test_c_gnu2.o.
17332	(tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
17333	(tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
17334	(tls_test_shared_nonpic.so): Link in tls_test_c.o.
17335	* testsuite/tls_test.cc: Include "config.h".
17336	(t_last): Call t11_last.
17337	* testsuite/tls_test.h (t11, t11_last): Declare.
17338	* testsuite/tls_test_c.c: New file.
17339	* testsuite/tls_test_main.cc (thread_routine): Call t11.
17340	* configure.ac: Check for OpenMP support.
17341	* configure, config.in, Makefile.in: Rebuild.
17342	* testsuite/Makefile.in: Rebuild.
17343
173442008-04-16  Cary Coutant  <ccoutant@google.com>
17345
17346	* i386.cc (Target_i386::define_tls_base_symbol): New function.
17347	(Target_i386::tls_base_symbol_defined_): New field.
17348	(Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
17349	(Target_i386::Scan::global): Likewise.
17350	* symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
17351	* x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
17352	(Target_x86_64::tls_base_symbol_defined_): New field.
17353	(Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
17354	(Target_x86_64::Scan::global): Likewise.
17355
173562008-04-16  Cary Coutant  <ccoutant@google.com>
17357
17358	* symtab.h (Symbol::is_strong_undefined): Removed unused function.
17359	(Symbol::needs_plt_entry): Allow weak undefined symbols.
17360	(Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
17361	building shared libraries.
17362	* testsuite/Makefile.am (weak_undef_nonpic_test): New target.
17363	(weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
17364	(weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
17365	* testsuite/Makefile.in: Rebuild.
17366	* testsuite/weak_undef.h: New file.
17367	* testsuite/weak_undef_file1.cc: Add extra test cases.
17368	* testsuite/weak_undef_file2.cc: Likewise.
17369	* testsuite/weak_undef_test.cc: Likewise.
17370
173712008-04-16  David S. Miller  <davem@davemloft.net>
17372
17373	* sparc.cc (Target_sparc::Scan): Change from struct to class.
17374	Add issued_non_pic_error_ field.  Declare check_non_pic.
17375	(Target_sparc::Scan::check_non_pic): New function.
17376	(Target_sparc::Scan::local): Call check_non_pic as appropriate.
17377	(Target_sparc::Scan::global): Likewise.
17378
17379	* configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
17380	* configure: Rebuild.
17381
17382	* options.h (DEFINE_enable): New macro.
17383	(new_dtags): New enable option.
17384	(initfirst, interpose, loadfltr, nodefaultlib,
17385	nodelete, nodlopen, nodump): New -z options.
17386	* layout.cc (Layout:finish_dynamic_section): If new
17387	dtags enabled, emit DT_RUNPATH.  Also, emit a
17388	DT_FLAGS_1 containing any specified -z flags.
17389
173902008-04-16  Ian Lance Taylor  <iant@google.com>
17391
17392	* copy-relocs.cc: New file.
17393	* copy-relocs.h: New file.
17394	* reloc.cc: Remove Copy_relocs code.
17395	* reloc.h: Likewise.
17396	* reloc-types.h (struct Reloc_types) [both versions]: Add
17397	get_reloc_addend_noerror.
17398	* output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
17399	variants of add_global which take an addend which must be zero.
17400	* i386.cc: Include "copy-relocs.h".
17401	(class Target_i386): Change type of copy_relocs_ to variable,
17402	update initializer.
17403	(Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
17404	Change all callers.
17405	(Target_i386::do_finalize_sections): Change handling of
17406	copy_relocs_.
17407	* sparc.cc: Include "copy-relocs.h".
17408	(class Target_sparc): Change type of copy_relocs_ to variable,
17409	update initializer.
17410	(Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
17411	Change all callers.
17412	(Target_sparc::do_finalize_sections): Change handling of
17413	copy_relocs_.
17414	* x86_64.cc: Include "copy-relocs.h".
17415	(class Target_x86_64): Change type of copy_relocs_ to variable,
17416	update initializer.
17417	(Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
17418	class.  Change all callers.
17419	(Target_x86_64::do_finalize_sections): Change handling of
17420	copy_relocs_.
17421	* Makefile.am (CCFILES): Add copy-relocs.cc.
17422	(HFILES): Add copy-relocs.h.
17423
17424	* Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
17425
17426	* testsuite/script_test_4.sh: Permit leading zeroes.
17427
174282008-04-15  Ian Lance Taylor  <iant@google.com>
17429
17430	* script-sections.cc (Script_sections::create_segments): Use
17431	header_size_adjustment even when there is enough room for the
17432	headers.
17433	* testsuite/script_test_4.sh: New file.
17434	* testsuite/script_test_4.t: New file.
17435	* testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
17436	(check_DATA): Add script_test_4.stdout.
17437	(MOSTLYCLEANFILES): Likewise.
17438	(script_test_4): New target.
17439	(script_test_4.stdout): New target.
17440	* testsuite/Makefile.in: Rebuild.
17441
17442	* sparc.cc: Add definitions for Output_data_plt_sparc class
17443	constants.
17444
174452008-04-14  David S. Miller  <davem@davemloft.net>
17446
17447	* sparc.cc: New file.
17448	* Makefile.am (TARGETSOURCES): Add sparc.cc
17449	(ALL_TARGETOBJS): Add sparc.$(OBJEXT)
17450	* configure.tgt: Document targ_extra_size and
17451	targ_extra_big_endian.  Add entries for sparc-* and
17452	sparc64-*.
17453	* configure.ac: Handle targ_extra_size and
17454	targ_extra_big_endian.
17455	* Makefile.in: Rebuild.
17456	* configure: Likewise.
17457	* po/POTFILES.in: Likewise.
17458	* po/gold.pot: Likewise.
17459
174602008-04-14  Ian Lance Taylor  <iant@google.com>
17461
17462	* layout.cc (Layout::Layout): Initialize sections_are_attached_.
17463	(Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
17464	in the name/type/flags to section mapping.  Don't call
17465	allocate_output_section.
17466	(Layout::choose_output_section): Change parameter from adjust_name
17467	to is_input_section.  Don't permit input sections after sections
17468	are attached to segments.  Don't call allocate_output_section.
17469	(Layout::layout_eh_frame): Call update_flags_for_input_section,
17470	not write_enable_output_section.
17471	(Layout::make_output_section): Don't push to
17472	unattached_section_list_ nor call attach_to_segment.  Call
17473	attach_section_to_segment if sections are attached.
17474	(Layout::attach_sections_to_segments): New function.
17475	(Layout::attach_section_to_segment): New function.
17476	(Layout::attach_allocated_section_to_segment): Rename from
17477	attach_to_segment.  Remove flags parameter.
17478	(Layout::allocate_output_section): Remove function.
17479	(Layout::write_enable_output_section): Remove function.
17480	* layout.h (class Layout): Update for above changes.  Add new
17481	field sections_are_attached_.
17482	* output.h (Output_section::update_flags_for_input_section): New
17483	function.
17484	* output.cc (Output_section::add_input_section): Call
17485	update_flags_for_input_section.
17486	* gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
17487
174882008-04-11  Cary Coutant  <ccoutant@google.com>
17489
17490	* i386.cc (Target_i386::got_mod_index_entry): Restore code previously
17491	thought unnecessary.
17492	* x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
17493
174942008-04-11  Ian Lance Taylor  <iant@google.com>
17495
17496	* output.h (class Output_section_data): Remove inline definition
17497	of set_addralign.
17498	* output.cc (Output_section_data::set_addralign): New function.
17499
175002008-04-11  Cary Coutant  <ccoutant@google.com>
17501
17502	Add support for TLS descriptors for i386 and x86_64.
17503	* i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
17504	(Target_i386::Relocate::tls_desc_gd_to_le): New function.
17505	(Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
17506	GOT_TYPE_TLS_DESC.
17507	(Target_i386::got_mod_index_entry): Remove unnecessary code.
17508	(Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
17509	R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
17510	relocations.
17511	(Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
17512	Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
17513	Fix problem with initial-exec relocations.
17514	(Target_i386::Relocate::relocate_tls): Likewise.
17515	(Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
17516	relaxation.
17517	* output.cc (Output_data_dynamic::Dynamic_entry::write): Add
17518	support for section-plus-offset dynamic table entries.
17519	* output.h (Output_data_dynamic::add_section_plus_offset): New function.
17520	(Output_data_dynamic::Dynamic_entry): Add support for
17521	section-plus-offset dynamic table entries.
17522	(Output_data_dynamic::Classification): Likewise.
17523	(Output_data_dynamic::classification_): Renamed offset_.
17524	* x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
17525	(Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
17526	(Target_x86_64::make_plt_section): New function.
17527	(Target_x86_64::reserve_tlsdesc_entries): New function.
17528	(Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
17529	(Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
17530	(Output_data_plt_x86_64::has_tlsdesc_entry): New function.
17531	(Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
17532	(Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
17533	(Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
17534	(Output_data_plt_x86_64::set_final_data_size): Move out of line;
17535	add extra PLT entry for TLS descriptors.
17536	(Output_data_plt_x86_64::got_): New field.
17537	(Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
17538	(Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
17539	fields.
17540	(Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
17541	descriptors.
17542	(Target_x86_64::make_plt_entry): Factor out make_plt_section.
17543	(Target_x86_64::got_mod_index_entry): Remove unnecessary code.
17544	(Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
17545	R_386_TLS_DESC_CALL relocations.
17546	(Target_x86_64::Scan::global): Likewise.
17547	(Target_x86_64::do_finalize_sections): Add dynamic table entries
17548	for TLS descriptors.
17549	(Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
17550	Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
17551	(Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
17552	GD-to-IE relaxation.
17553	* configure.ac: Export new conditional variables TLS_GNU2_DIALECT
17554	and TLS_DESCRIPTORS.
17555	* Makefile.in: Rebuild.
17556	* configure: Rebuild.
17557	* testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
17558	(tls_test_shared2.so): New target.
17559	(tls_shared_gd_to_ie_test_SOURCES): New variable.
17560	(tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
17561	(tls_shared_gd_to_ie_test_LDFLAGS): New variable.
17562	(tls_shared_gd_to_ie_test_LDADD): New variable.
17563	(tls_shared_gnu2_gd_to_ie_test): New target.
17564	(tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
17565	New targets.
17566	(tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
17567	(ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
17568	(tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
17569	(tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
17570	(tls_shared_gnu2_test): New target.
17571	(tls_test_gnu2_shared.so): New target.
17572	(tls_shared_gnu2_test_SOURCES): New variable.
17573	(tls_shared_gnu2_test_DEPENDENCIES): New variable.
17574	(tls_shared_gnu2_test_LDFLAGS): New variable.
17575	(tls_shared_gnu2_test_LDADD): New variable.
17576	* testsuite/Makefile.in: Rebuild.
17577	* testsuite/Makefile.
17578
175792008-04-11  Ian Lance Taylor  <iant@google.com>
17580
17581	* testsuite/Makefile.am (justsyms_2r.o): Add dependency on
17582	justsyms.t.
17583	* testsuite/Makefile.in: Rebuild.
17584
17585	* testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
17586	long.
17587	* testsuite/script_test_2.cc (main): Adjust test.
17588
175892008-04-11  David S. Miller  <davem@davemloft.net>
17590	    Ian Lance Taylor  <iant@google.com>
17591
17592	* options.h (General_options): Add entries for '-Y' and
17593	'-relax'.
17594	* options.cc (General_options:finalize): If -Y was used, add those
17595	entries to the library path instead of the default "/lib" and
17596	"/usr/lib".
17597
175982008-04-11  David S. Miller  <davem@davemloft.net>
17599
17600	* testsuite/justsyms.t: Start at 0x100.
17601	* testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
17602	* testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
17603	long.
17604	* testsuite/script_test_2.cc: Adjust string and section length
17605	checks.
17606
176072008-04-09  Ian Lance Taylor  <iant@google.com>
17608
17609	PR gold/5996
17610	* script-sections.cc (Sections_element::allocate_to_segment): Add
17611	orphan parameter.
17612	(Output_section_definition::allocate_to_segment): Likewise.
17613	(Orphan_output_section::allocate_to_segment): Likewise.
17614	(Script_sections::attach_sections_using_phdrs_clause): Don't
17615	propagate non-PT_LOAD segments to orphan sections.
17616	* testsuite/Makefile.am (script_test_3.stdout): Generate using
17617	readelf rather than objdump.
17618	* testsuite/script_test_3.sh: Adjust accordingly.  Test that
17619	.interp section and PT_INTERP segment are the same size.
17620	* testsuite/Makefile.in: Rebuild.
17621
17622	* symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
17623	aliases for symbols defined in the same object.
17624	* testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
17625	(weak_alias_test_SOURCES): New variable.
17626	(weak_alias_test_DEPENDENCIES): New variable.
17627	(weak_alias_test_LDFLAGS): New variable.
17628	(weak_alias_test_LDADD): New variable.
17629	(weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
17630	(weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
17631	(weak_alias_test_3.o): New target.
17632	(weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
17633	* testsuite/weak_alias_test_main.cc: New file.
17634	* testsuite/weak_alias_test_1.cc: New file.
17635	* testsuite/weak_alias_test_2.cc: New file.
17636	* testsuite/weak_alias_test_3.cc: New file.
17637
176382008-04-08  Ian Lance Taylor  <iant@google.com>
17639
17640	* options.h (class General_options): Add --noinhibit-exec option.
17641	* main.cc (main): Check --noinhibit-exec.
17642
17643	* options.h (class General_options): Define --wrap as a special
17644	option.  Add wrap_symbols_ field.
17645	(General_options::any_wrap_symbols): New function.
17646	(General_options::is_wrap_symbol): New function.
17647	* options.cc (General_options::parse_wrap): New function.
17648	(General_options::General_options): Initialize wrap_symbols_.
17649	* symtab.cc (Symbol_table::wrap_symbol): New function.
17650	(Symbol_table::add_from_object): Handle --wrap.
17651	* symtab.h (class Symbol_table): Declare wrap_symbol.
17652	* target.h (Target::wrap_char): New function.
17653	(Target::Target_info): Add wrap_char field.
17654	* i386.cc (Target_i386::i386_info): Initialize wrap_char.
17655	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
17656	* testsuite/testfile.cc (Target_test::test_target_info):
17657	Likewise.
17658
17659	* errors.cc (Errors::undefined_symbol): Mention symbol version if
17660	there is one.
17661
17662	* layout.h (class Layout): Add added_eh_frame_data_ field.
17663	* layout.cc (Layout::Layout): Initialize new field.
17664	(Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
17665	output section until we find a section we merged successfully.
17666	* object.cc (Sized_relobj::check_eh_frame_flags): Don't require
17667	that the size be non-zero.
17668
17669	* merge.cc (Object_merge_map::get_output_offset): Remove inline
17670	qualifier.
17671
176722008-04-08  Craig Silverstein  <csilvers@google.com>
17673
17674	* configure.ac: Export new conditional variable HAVE_ZLIB.
17675	* testsuite/Makefile.am (flagstest_o_specialfile): Condition
17676	on HAVE_ZLIB.
17677	(flagstest_o_specialfile_and_compress_debug_sections): Likewise.
17678	* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
17679
176802008-04-07  Ian Lance Taylor  <iant@google.com>
17681
17682	* version.cc (version_string): Set to "1.5".
17683
17684	* x86_64.cc (Target_x86_64::Scan): Change from struct to class.
17685	Add issued_non_pic_error_ field.  Declare check_non_pic.
17686	(Target_x86_64::Scan::check_non_pic): New function.
17687	(Target_x86_64::Scan::local): Call check_non_pic as appropriate.
17688	(Target_x86_64::Scan::global): Likewise.
17689
17690	* output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
17691	addend parameter.  Change caller.  Handle merge sections.
17692	(Output_reloc<SHT_REL>::symbol_value): Change parameter type from
17693	Address to Addend.  Don't add in the result of
17694	local_section_offset, pass down the addend and use the returned
17695	value.
17696	* output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
17697	Update declarations of local_section_offset and symbol_value.
17698	* testsuite/two_file_test_1.cc (t18): New function.
17699	* testsuite/two_file_test_2.cc (f18): New function.
17700	* testsuite/two_file_test_main.cc (main): Call t18.
17701	* testsuite/two_file_test.h (t18, f18): Declare.
17702
17703	* configure.ac: Don't test for objdump, c++filt, or readelf.
17704	* testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
17705	conditionals.
17706	(TEST_READELF): New variable.
17707	(TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
17708	(check_PROGRAMS): Add two_file_strip_test.
17709	(two_file_strip_test): New target.
17710	(check_PROGRAMS): Add two_file_same_shared_strip_test.
17711	(two_file_same_shared_strip_test_SOURCES): New variable.
17712	(two_file_same_shared_strip_test_DEPENDENCIES): New variable.
17713	(two_file_same_shared_strip_test_LDFLAGS): New variable.
17714	(two_file_same_shared_strip_test_LDADD): New variable.
17715	(two_file_shared_strip.so): New target.
17716	(ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
17717	(ver_test_5.syms, ver_test_7.syms): Likewise.
17718	(ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
17719	(strip_test_3.stdout): Use TEST_OBJDUMP.
17720	* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
17721
177222008-04-04  Cary Coutant  <ccoutant@google.com>
17723
17724	* symtab.h (Symbol::is_weak_undefined): New function.
17725	(Symbol::is_strong_undefined): New function.
17726	(Symbol::is_absolute): New function.
17727	(Symbol::needs_plt_entry): Exclude weak undefined symbols.
17728	(Symbol::needs_dynamic_reloc): Exclude weak undefined and
17729	absolute symbols.
17730	* testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
17731	(weak_undef_test): New target.
17732	* testsuite/Makefile.in: Rebuild.
17733	* testsuite/weak_undef_file1.cc: New file.
17734	* testsuite/weak_undef_file2.cc: New file.
17735	* testsuite/weak_undef_test.cc: New file.
17736
177372008-04-03  Craig Silverstein  <csilvers@google.com>
17738
17739	* compressed_output.h (class Output_compressed_section): Use
17740	unsigned buffer.
17741	* compressed_output.cc (zlib_compress): Use unsigned buffers,
17742	add zlib header.
17743	(zlib_compressed_suffix): Removed.
17744	(Output_compressed_section::set_final_data_size): Use unsigned
17745	buffers.
17746	* testsuite/Makefile.am (flagstest_compress_debug_sections):
17747	Fix linker invocation.
17748	(flagstest_o_specialfile_and_compress_debug_sections):
17749	Likewise.
17750	* testsuite/Makefile.in: Regenerated.
17751
177522008-04-02  David S. Miller  <davem@davemloft.net>
17753
17754	*  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
17755	Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
17756
177572008-04-02  Craig Silverstein  <csilvers@google.com>
17758
17759	* TODO: New file.
17760
177612008-04-02  Ian Lance Taylor  <iant@google.com>
17762
17763	* fileread.cc (File_read::find_view): Add byteshift and vshifted
17764	parameters.  Update for new key type to views_.  Change all
17765	callers.
17766	(File_read::read): Adjust for byteshift in returned view.
17767	(File_read::add_view): New function, broken out of
17768	find_and_make_view.
17769	(File_read::make_view): New function, broken out of
17770	find_and_make_view.
17771	(File_read::find_or_make_view): Add offset and aligned
17772	parameters.  Rewrite accordingly.  Change all callers.
17773	(File_read::get_view): Add offset and aligned parameters.  Adjust
17774	for byteshift in return value.
17775	(File_read::get_lasting_view): Likewise.
17776	* fileread.h (class File_read): Update declarations.
17777	(class File_read::View): Add byteshift_ field.  Add byteshift to
17778	constructor.  Add byteshift method.
17779	* archive.h (Archive::clear_uncached_views): New function.
17780	(Archive::get_view): Add aligned parameter.  Change all callers.
17781	* object.h (Object::get_view): Add aligned parameter.  Change all
17782	callers.
17783	(Object::get_lasting_view): Likewise.
17784
17785	* fileread.cc (File_read::release): Don't call clear_views if
17786	there are multiple objects.
17787	* fileread.h (File_read::clear_uncached_views): New function.
17788	* archive.cc (Add_archive_symbols::run): Call clear_uncached_views
17789	on the archive.
17790
177912008-03-31  Cary Coutant  <ccoutant@google.com>
17792
17793	Add thin archive support.
17794	* archive.cc (Archive::armagt): New const.
17795	(Archive::setup): Remove task parameter and calls to unlock.
17796	(Archive::unlock_nested_archives): New function.
17797	(Archive::read_header): Add nested_off parameter. Change
17798	all callers.
17799	(Archive::interpret_header): Likewise.
17800	(Archive::include_all_members): Change to handle thin
17801	archives.
17802	(Archive::include_member): Likewise.
17803	* archive.h (Archive::Archive): Add new parameters and
17804	initializers.
17805	(Archive::armagt): New const.
17806	(Archive::setup): Remove task parameter.
17807	(Archive::unlock_nested_archives): New function.
17808	(Archive::read_header): Add nested_off parameter.
17809	(Archive::interpret_header): Likewise.
17810	(Archive::Nested_archive_table): New typedef.
17811	(Archive::is_thin_archive_): New field.
17812	(Archive::nested_archives_): New field.
17813	(Archive::options_): New field.
17814	(Archive::dirpath_): New field.
17815	(Archive::task_): New field.
17816	* readsyms.cc (Read_symbols::do_read_symbols): Add check
17817	for thin archives.  Pass additional parameters to
17818	Archive::Archive.  Unlock the archive file after calling
17819	Archive::setup.
17820
178212008-03-29  Ian Lance Taylor  <iant@google.com>
17822
17823	* symtab.cc (Symbol_table::do_define_as_constant): Don't force a
17824	version symbol to be local.
17825	* testsuite/ver_test_4.sh: New file.
17826	* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
17827	(check_DATA): Add ver_test_4.syms.
17828	(ver_test_4.syms): New target.
17829	* testsuite/Makefile.in: Rebuild.
17830
17831	* output.cc
17832	(Output_section::Input_section_sort_entry::has_priority): New
17833	function.
17834	(Output_section::Input_section_sort_entry::match_file_name): New
17835	function.
17836	(Output_section::Input_section_sort_entry::match_section_name):
17837	Remove.
17838	(Output_section::Input_section_sort_entry::match_section_name_prefix):
17839	Remove.
17840	(Output_section::Input_section_sort_entry::match_section_file):
17841	Remove.
17842	(Output_section::Input_section_sort_compare::operator()): Rewrite
17843	using new Input_section_sort_entry functions.  Sort crtbegin and
17844	crtend first.  Sort sections with no priority before sections with
17845	a priority.
17846	* testsuite/initpri1.c (d3): Check j != 4.
17847	(cd5): New constructor/destructor function.
17848	(main): Check j != 2.
17849
17850	* symtab.cc (Symbol_table::add_from_object): If we don't use the
17851	new symbol when resolving, don't call set_is_default.
17852	* testsuite/ver_test_7.cc: New file.
17853	* testsuite/ver_test_7.sh: New file.
17854	* testsuite/Makefile.am (ver_test_7.so): New target.
17855	(ver_test_7.o): New target.
17856	(check_SCRIPTS): Add ver_test_7.sh.
17857	(check_DATA): Add ver_test_7.syms.
17858	(ver_test_7.syms): New target.
17859
178602008-03-28  Ian Lance Taylor  <iant@google.com>
17861
17862	* layout.cc (Layout::layout): If we see an input section with a
17863	name that needs sorting, set the must_sort flag for the output
17864	section.
17865	(Layout::make_output_section): If the name of the output section
17866	indicates that it might	require sorting, set the may_sort flag.
17867	* output.h (Output_section::may_sort_attached_input_sections): New
17868	function.
17869	(Output_section::set_may_sort_attached_input_sections): New
17870	function.
17871	(Output_section::must_sort_attached_input_sections): New
17872	function.
17873	(Output_section::set_must_sort_attached_input_sections): New
17874	function.
17875	(class Output_section): Declare Input_section_sort_entry.  Define
17876	Input_section_sort_compare.  Declare
17877	sort_attached_input_sections.  Add new fields:
17878	may_sort_attached_input_sections_,
17879	must_sort_attached_input_sections_,
17880	attached_input_sections_are_sorted_.
17881	* output.cc (Output_section::Output_section): Initialize new
17882	fields.
17883	(Output_section::add_input_section): Add an entry to
17884	input_sections_ if may_sort or must_sort are true.
17885	(Output_section::set_final_data_size): Call
17886	sort_attached_input_sections if necessary.
17887	(Output_section::Input_section_sort_entry): Define new class.
17888	(Output_section::Input_section_sort_compare::operator()): New
17889	function.
17890	(Output_section::sort_attached_input_sections): New function.
17891	* configure.ac: Check whether the compiler supports constructor
17892	priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
17893	* testsuite/initpri1.c: New file.
17894	* testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
17895	CONSTRUCTOR_PRIORITY.
17896	(initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
17897	(initpri1_LDFLAGS): New variable.
17898	* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
17899
179002008-03-27  Ian Lance Taylor  <iant@google.com>
17901
17902	* common.cc (Sort_commons::operator): Correct sorting algorithm.
17903	* testsuite/common_test_1.c: New file.
17904	* testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
17905	(common_test_1_SOURCES): New variable.
17906	(common_test_1_DEPENDENCIES): New variable.
17907	(common_test_1_LDFLAGS): New variable.
17908
17909	* symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
17910	and commons_ correctly when NAME/VERSION does not override
17911	NAME/NULL.
17912	* testsuite/ver_test_6.c: New file.
17913	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
17914	(ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
17915	(ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
17916
179172008-03-26  Ian Lance Taylor  <iant@google.com>
17918
17919	* symtab.cc (Symbol_table::add_from_relobj): Don't set the version
17920	of an undefined symbol from a version script.
17921	* testsuite/Makefile.am (ver_test_5.so): New target.
17922	(ver_test_5.o): New target.
17923	(check_SCRIPTS): Add ver_test_5.sh.
17924	(check_DATA): Add ver_test_5.syms.
17925	(ver_test_5.syms): New target.
17926	* testsuite/ver_test_5.cc: New file.
17927	* testsuite/ver_test_5.script: New file.
17928	* testsuite/ver_test_5.sh: New file.
17929	* Makefile.in, testsuite/Makefile.in: Rebuild.
17930
17931	PR gold/5986
17932	Fix problems building gold with gcc 4.3.0.
17933	* gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
17934	(gold_error_at_location, gold_warning_at_location): Use it.
17935	* configure.ac: Check whether we can compile and use a template
17936	function with a printf attribute.
17937	* x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
17938	when jumping over bytes.
17939	* object.cc: Instantiate Object::read_section_data.
17940	* debug.h: Include <cstring>
17941	* dwarf_reader.cc: Include <algorithm>
17942	* main.cc: Include <cstring>.
17943	* options.cc: Include <cstring>.
17944	* output.cc: Include <cstring>.
17945	* script.cc: Include <cstring>.
17946	* script.h: Include <string>.
17947	* symtab.cc: Include <cstring> and <algorithm>.
17948	* target-select.cc: Include <cstring>.
17949	* version.cc: Include <string>.
17950	* testsuite/testmain.cc: Include <cstdlib>.
17951	* configure, config.in: Rebuild.
17952
179532008-03-25  Ian Lance Taylor  <iant@google.com>
17954
17955	* options.cc: Include "../bfd/bfdver.h".
17956	(options::help): Print bug reporting address.
17957
17958	* version.cc (print_version): Adjust output for current value of
17959	BFD_VERSION_STRING.
17960
17961	* NEWS: New file.
17962
17963	* options.cc (options::help): Print list of supported targets.
17964	* target-select.h: Include <vector>.
17965	(class Target_selector): Make machine_, size_, and is_big_endian_
17966	fields const.  Add bfd_name_ and instantiated_target_ fields.
17967	(Target_selector::Target_selector): Add bfd_name parameter.
17968	(Target_selector::recognize): Make non-virtual, call
17969	do_recognize.
17970	(Target_selector::recognize_by_name): Make non-virtual, call
17971	do_recognize_by_name.
17972	(Target_selector::supported_names): New function.
17973	(Target_selector::bfd_name): New function.
17974	(Target_selector::do_instantiate_target): New pure virtual
17975	function.
17976	(Target_selector::do_recognize): New virtual function.
17977	(Target_selector::do_recognize_by_name): New virtual function.
17978	(Target_selector::instantiate_target): New private function.
17979	(supported_target_names): Declare.
17980	* target-select.cc (Target_selector::Target_selector): Update for
17981	new parameter and fields.
17982	(select_target_by_name): Check that the name matches before
17983	calling recognize_by_name.
17984	(supported_target_names): New function.
17985	* i386.cc (class Target_selector_i386): Update Target_selector
17986	constructor call.  Remove recognize and recognize_by_name.  Add
17987	do_instantiate_target.
17988	* x86_64.cc (class Target_selector_x86_64): Likewise.
17989	* testsuite/testfile.cc (class Target_selector_test): Update for
17990	changes to Target_selector.
17991
17992	* README: Rewrite, with some notes on unsupported features.
17993
179942008-03-24  Cary Coutant  <ccoutant@google.com>
17995
17996	* i386.cc (Target_i386::Got_type): New enum declaration.
17997	(Target_i386::Scan::local): Updated callers of Output_data_got
17998	member functions.
17999	(Target_i386::Scan::global): Likewise.
18000	(Target_i386::Relocate::relocate): Likewise.
18001	(Target_i386::Relocate::relocate_tls): Likewise.
18002	* object.h (Got_offset_list): New class.
18003	(Sized_relobj::local_has_got_offset): Added got_type parameter.
18004	(Sized_relobj::local_got_offset): Likewise.
18005	(Sized_relobj::set_local_got_offset): Likewise.
18006	(Sized_relobj::local_has_tls_got_offset): Removed.
18007	(Sized_relobj::local_tls_got_offset): Removed.
18008	(Sized_relobj::set_local_tls_got_offset): Removed.
18009	(Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
18010	* output.cc (Output_data_got::add_global): Added got_type parameter.
18011	(Output_data_got::add_global_with_rel): Likewise.
18012	(Output_data_got::add_global_with_rela): Likewise.
18013	(Output_data_got::add_global_pair_with_rel): New function.
18014	(Output_data_got::add_global_pair_with_rela): New function.
18015	(Output_data_got::add_local): Added got_type parameter.
18016	(Output_data_got::add_local_with_rel): Likewise.
18017	(Output_data_got::add_local_with_rela): Likewise.
18018	(Output_data_got::add_local_pair_with_rel): New function.
18019	(Output_data_got::add_local_pair_with_rela): New function.
18020	(Output_data_got::add_global_tls): Removed.
18021	(Output_data_got::add_global_tls_with_rel): Removed.
18022	(Output_data_got::add_global_tls_with_rela): Removed.
18023	(Output_data_got::add_local_tls): Removed.
18024	(Output_data_got::add_local_tls_with_rel): Removed.
18025	(Output_data_got::add_local_tls_with_rela): Removed.
18026	* output.h (Output_data_got::add_global): Added got_type parameter.
18027	(Output_data_got::add_global_with_rel): Likewise.
18028	(Output_data_got::add_global_with_rela): Likewise.
18029	(Output_data_got::add_global_pair_with_rel): New function.
18030	(Output_data_got::add_global_pair_with_rela): New function.
18031	(Output_data_got::add_local): Added got_type parameter.
18032	(Output_data_got::add_local_with_rel): Likewise.
18033	(Output_data_got::add_local_with_rela): Likewise.
18034	(Output_data_got::add_local_pair_with_rel): New function.
18035	(Output_data_got::add_local_pair_with_rela): New function.
18036	(Output_data_got::add_global_tls): Removed.
18037	(Output_data_got::add_global_tls_with_rel): Removed.
18038	(Output_data_got::add_global_tls_with_rela): Removed.
18039	(Output_data_got::add_local_tls): Removed.
18040	(Output_data_got::add_local_tls_with_rel): Removed.
18041	(Output_data_got::add_local_tls_with_rela): Removed.
18042	* resolve.cc (Symbol::override_base_with_special): Removed
18043	reference to has_got_offset_ field.
18044	* symtab.cc (Symbol::init_fields): Replaced initialization
18045	of got_offset_ with got_offsets_.  Removed initialization
18046	of has_got_offset_
18047	* symtab.h (Symbol::has_got_offset): Aded got_type parameter.
18048	(Symbol::got_offset): Likewise.
18049	(Symbol::set_got_offset): Likewise.
18050	(Symbol::has_tls_got_offset): Removed.
18051	(Symbol::tls_got_offset): Removed.
18052	(Symbol::set_tls_got_offset): Removed.
18053	(Symbol::got_offset_): Removed.
18054	(Symbol::tls_mod_got_offset_): Removed.
18055	(Symbol::tls_pair_got_offset_): Removed.
18056	(Symbol::got_offsets_): New field.
18057	(Symbol::has_got_offset): Removed.
18058	(Symbol::has_tls_mod_got_offset): Removed.
18059	(Symbol::has_tls_pair_got_offset): Removed.
18060	* x86_64.cc (Target_x86_64::Got_type): New enum declaration.
18061	(Target_x86_64::Scan::local): Updated callers of Output_data_got
18062	member functions.
18063	(Target_x86_64::Scan::global): Likewise.
18064	(Target_x86_64::Relocate::relocate): Likewise.
18065	(Target_x86_64::Relocate::relocate_tls): Likewise.
18066
180672008-03-25  Ben Elliston  <bje@au.ibm.com>
18068
18069	* yyscript.y: Fix spelling error in comment.
18070
180712008-03-24  Ian Lance Taylor  <iant@google.com>
18072
18073	* options.h (class General_options): Define build_id option.
18074	* layout.h (class Layout): Declare write_build_id, create_note,
18075	create_build_id.  Add build_id_note_ member.
18076	* layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
18077	"libiberty.h", "md5.h", "sha1.h".
18078	(Layout::Layout): Initialize eh_frame_data_,
18079	eh_frame_hdr_section_, and build_id_note_.
18080	(Layout::finalize): Call create_build_id.
18081	(Layout::create_note): New function, broken out of
18082	Layout::create_gold_note.
18083	(Layout::create_gold_note): Call create_note.
18084	(Layout::create_build_id): New function.
18085	(Layout::write_build_id): New function.
18086	(Close_task_runner::run): Call write_build_id.
18087
18088	* x86_64.cc: Correct license to GPLv3.
18089
180902008-03-23  Ian Lance Taylor  <iant@google.com>
18091
18092	* options.cc: Include "demangle.h".
18093	(parse_optional_string): New function.
18094	(parse_long_option): Handle takes_optional_argument.
18095	(parse_short_option): Update dash_z initializer.  Handle
18096	takes_optional_argument.
18097	(General_options::General_options): Initialize do_demangle_.
18098	(General_options::finalize): Set do_demangle_.  Handle demangling
18099	style.
18100	* options.h (parse_optional_string): Declare.
18101	(struct One_option): Add optional_arg field.  Update constructor.
18102	Update call constructor calls.  Add takes_optional_argument
18103	function.
18104	(DEFINE_var): Add optional_arg__ parameter.  Change all callers.
18105	(DEFINE_optional_string): Define.
18106	(General_options::demangle): Change from DEFINE_bool to
18107	DEFINE_optional_string.
18108	(General_options::no_demangle): New function.
18109	(General_options::do_demangle): New function.
18110	(General_options::set_do_demangle): New function.
18111	(General_options::execstack_status_): Move definition to end of
18112	class definition.
18113	(General_options::static_): Likewise.
18114	(General_options::do_demangle_): New field.
18115	* object.cc (big_endian>::get_symbol_location_info): Call
18116	Options::do_demangle, not Options::demangle.
18117	* symtab.cc (demangle): Likewise.
18118
181192008-03-22  Ian Lance Taylor  <iant@google.com>
18120
18121	* gold.h: Include <cstddef> and <sys/types.h>
18122	* options.h: Include <cstring>.
18123
181242008-03-21  Ian Lance Taylor  <iant@google.com>
18125
18126	* Added source code to GNU binutils.
18127
18128Copyright (C) 2008-2015 Free Software Foundation, Inc.
18129
18130Copying and distribution of this file, with or without modification,
18131are permitted in any medium without royalty provided the copyright
18132notice and this notice are preserved.
18133
18134Local Variables:
18135mode: change-log
18136left-margin: 8
18137fill-column: 74
18138version-control: never
18139End:
18140