1 /* This file defines standard DWARF types, structures, and macros.
2    Copyright (C) 2000-2011, 2014 Red Hat, Inc.
3    This file is part of elfutils.
4 
5    This file is free software; you can redistribute it and/or modify
6    it under the terms of either
7 
8      * the GNU Lesser General Public License as published by the Free
9        Software Foundation; either version 3 of the License, or (at
10        your option) any later version
11 
12    or
13 
14      * the GNU General Public License as published by the Free
15        Software Foundation; either version 2 of the License, or (at
16        your option) any later version
17 
18    or both in parallel, as here.
19 
20    elfutils is distributed in the hope that it will be useful, but
21    WITHOUT ANY WARRANTY; without even the implied warranty of
22    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
23    General Public License for more details.
24 
25    You should have received copies of the GNU General Public License and
26    the GNU Lesser General Public License along with this program.  If
27    not, see <http://www.gnu.org/licenses/>.  */
28 
29 #ifndef _DWARF_H
30 #define	_DWARF_H 1
31 
32 /* DWARF tags.  */
33 enum
34   {
35     DW_TAG_array_type = 0x01,
36     DW_TAG_class_type = 0x02,
37     DW_TAG_entry_point = 0x03,
38     DW_TAG_enumeration_type = 0x04,
39     DW_TAG_formal_parameter = 0x05,
40     DW_TAG_imported_declaration = 0x08,
41     DW_TAG_label = 0x0a,
42     DW_TAG_lexical_block = 0x0b,
43     DW_TAG_member = 0x0d,
44     DW_TAG_pointer_type = 0x0f,
45     DW_TAG_reference_type = 0x10,
46     DW_TAG_compile_unit = 0x11,
47     DW_TAG_string_type = 0x12,
48     DW_TAG_structure_type = 0x13,
49     DW_TAG_subroutine_type = 0x15,
50     DW_TAG_typedef = 0x16,
51     DW_TAG_union_type = 0x17,
52     DW_TAG_unspecified_parameters = 0x18,
53     DW_TAG_variant = 0x19,
54     DW_TAG_common_block = 0x1a,
55     DW_TAG_common_inclusion = 0x1b,
56     DW_TAG_inheritance = 0x1c,
57     DW_TAG_inlined_subroutine = 0x1d,
58     DW_TAG_module = 0x1e,
59     DW_TAG_ptr_to_member_type = 0x1f,
60     DW_TAG_set_type = 0x20,
61     DW_TAG_subrange_type = 0x21,
62     DW_TAG_with_stmt = 0x22,
63     DW_TAG_access_declaration = 0x23,
64     DW_TAG_base_type = 0x24,
65     DW_TAG_catch_block = 0x25,
66     DW_TAG_const_type = 0x26,
67     DW_TAG_constant = 0x27,
68     DW_TAG_enumerator = 0x28,
69     DW_TAG_file_type = 0x29,
70     DW_TAG_friend = 0x2a,
71     DW_TAG_namelist = 0x2b,
72     DW_TAG_namelist_item = 0x2c,
73     DW_TAG_packed_type = 0x2d,
74     DW_TAG_subprogram = 0x2e,
75     DW_TAG_template_type_parameter = 0x2f,
76     DW_TAG_template_value_parameter = 0x30,
77     DW_TAG_thrown_type = 0x31,
78     DW_TAG_try_block = 0x32,
79     DW_TAG_variant_part = 0x33,
80     DW_TAG_variable = 0x34,
81     DW_TAG_volatile_type = 0x35,
82     DW_TAG_dwarf_procedure = 0x36,
83     DW_TAG_restrict_type = 0x37,
84     DW_TAG_interface_type = 0x38,
85     DW_TAG_namespace = 0x39,
86     DW_TAG_imported_module = 0x3a,
87     DW_TAG_unspecified_type = 0x3b,
88     DW_TAG_partial_unit = 0x3c,
89     DW_TAG_imported_unit = 0x3d,
90     /* 0x3e reserved.  */
91     DW_TAG_condition = 0x3f,
92     DW_TAG_shared_type = 0x40,
93     DW_TAG_type_unit = 0x41,
94     DW_TAG_rvalue_reference_type = 0x42,
95     DW_TAG_template_alias = 0x43,
96 
97     /* DWARF 5.  */
98     DW_TAG_atomic_type = 0x47,
99 
100     DW_TAG_lo_user = 0x4080,
101 
102     DW_TAG_MIPS_loop = 0x4081,
103     DW_TAG_format_label = 0x4101,
104     DW_TAG_function_template = 0x4102,
105     DW_TAG_class_template = 0x4103,
106 
107     DW_TAG_GNU_BINCL = 0x4104,
108     DW_TAG_GNU_EINCL = 0x4105,
109 
110     DW_TAG_GNU_template_template_param = 0x4106,
111     DW_TAG_GNU_template_parameter_pack = 0x4107,
112     DW_TAG_GNU_formal_parameter_pack = 0x4108,
113     DW_TAG_GNU_call_site = 0x4109,
114     DW_TAG_GNU_call_site_parameter = 0x410a,
115 
116     DW_TAG_hi_user = 0xffff
117   };
118 
119 
120 /* Children determination encodings.  */
121 enum
122   {
123     DW_CHILDREN_no = 0,
124     DW_CHILDREN_yes = 1
125   };
126 
127 
128 /* DWARF attributes encodings.  */
129 enum
130   {
131     DW_AT_sibling = 0x01,
132     DW_AT_location = 0x02,
133     DW_AT_name = 0x03,
134     DW_AT_ordering = 0x09,
135     DW_AT_subscr_data = 0x0a,
136     DW_AT_byte_size = 0x0b,
137     DW_AT_bit_offset = 0x0c,
138     DW_AT_bit_size = 0x0d,
139     DW_AT_element_list = 0x0f,
140     DW_AT_stmt_list = 0x10,
141     DW_AT_low_pc = 0x11,
142     DW_AT_high_pc = 0x12,
143     DW_AT_language = 0x13,
144     DW_AT_member = 0x14,
145     DW_AT_discr = 0x15,
146     DW_AT_discr_value = 0x16,
147     DW_AT_visibility = 0x17,
148     DW_AT_import = 0x18,
149     DW_AT_string_length = 0x19,
150     DW_AT_common_reference = 0x1a,
151     DW_AT_comp_dir = 0x1b,
152     DW_AT_const_value = 0x1c,
153     DW_AT_containing_type = 0x1d,
154     DW_AT_default_value = 0x1e,
155     DW_AT_inline = 0x20,
156     DW_AT_is_optional = 0x21,
157     DW_AT_lower_bound = 0x22,
158     DW_AT_producer = 0x25,
159     DW_AT_prototyped = 0x27,
160     DW_AT_return_addr = 0x2a,
161     DW_AT_start_scope = 0x2c,
162     DW_AT_bit_stride = 0x2e,
163     DW_AT_upper_bound = 0x2f,
164     DW_AT_abstract_origin = 0x31,
165     DW_AT_accessibility = 0x32,
166     DW_AT_address_class = 0x33,
167     DW_AT_artificial = 0x34,
168     DW_AT_base_types = 0x35,
169     DW_AT_calling_convention = 0x36,
170     DW_AT_count = 0x37,
171     DW_AT_data_member_location = 0x38,
172     DW_AT_decl_column = 0x39,
173     DW_AT_decl_file = 0x3a,
174     DW_AT_decl_line = 0x3b,
175     DW_AT_declaration = 0x3c,
176     DW_AT_discr_list = 0x3d,
177     DW_AT_encoding = 0x3e,
178     DW_AT_external = 0x3f,
179     DW_AT_frame_base = 0x40,
180     DW_AT_friend = 0x41,
181     DW_AT_identifier_case = 0x42,
182     DW_AT_macro_info = 0x43,
183     DW_AT_namelist_item = 0x44,
184     DW_AT_priority = 0x45,
185     DW_AT_segment = 0x46,
186     DW_AT_specification = 0x47,
187     DW_AT_static_link = 0x48,
188     DW_AT_type = 0x49,
189     DW_AT_use_location = 0x4a,
190     DW_AT_variable_parameter = 0x4b,
191     DW_AT_virtuality = 0x4c,
192     DW_AT_vtable_elem_location = 0x4d,
193     DW_AT_allocated = 0x4e,
194     DW_AT_associated = 0x4f,
195     DW_AT_data_location = 0x50,
196     DW_AT_byte_stride = 0x51,
197     DW_AT_entry_pc = 0x52,
198     DW_AT_use_UTF8 = 0x53,
199     DW_AT_extension = 0x54,
200     DW_AT_ranges = 0x55,
201     DW_AT_trampoline = 0x56,
202     DW_AT_call_column = 0x57,
203     DW_AT_call_file = 0x58,
204     DW_AT_call_line = 0x59,
205     DW_AT_description = 0x5a,
206     DW_AT_binary_scale = 0x5b,
207     DW_AT_decimal_scale = 0x5c,
208     DW_AT_small = 0x5d,
209     DW_AT_decimal_sign = 0x5e,
210     DW_AT_digit_count = 0x5f,
211     DW_AT_picture_string = 0x60,
212     DW_AT_mutable = 0x61,
213     DW_AT_threads_scaled = 0x62,
214     DW_AT_explicit = 0x63,
215     DW_AT_object_pointer = 0x64,
216     DW_AT_endianity = 0x65,
217     DW_AT_elemental = 0x66,
218     DW_AT_pure = 0x67,
219     DW_AT_recursive = 0x68,
220     DW_AT_signature = 0x69,
221     DW_AT_main_subprogram = 0x6a,
222     DW_AT_data_bit_offset = 0x6b,
223     DW_AT_const_expr = 0x6c,
224     DW_AT_enum_class = 0x6d,
225     DW_AT_linkage_name = 0x6e,
226 
227     /* DWARF5 attribute values.  */
228     DW_AT_noreturn = 0x87,
229 
230     DW_AT_lo_user = 0x2000,
231 
232     DW_AT_MIPS_fde = 0x2001,
233     DW_AT_MIPS_loop_begin = 0x2002,
234     DW_AT_MIPS_tail_loop_begin = 0x2003,
235     DW_AT_MIPS_epilog_begin = 0x2004,
236     DW_AT_MIPS_loop_unroll_factor = 0x2005,
237     DW_AT_MIPS_software_pipeline_depth = 0x2006,
238     DW_AT_MIPS_linkage_name = 0x2007,
239     DW_AT_MIPS_stride = 0x2008,
240     DW_AT_MIPS_abstract_name = 0x2009,
241     DW_AT_MIPS_clone_origin = 0x200a,
242     DW_AT_MIPS_has_inlines = 0x200b,
243     DW_AT_MIPS_stride_byte = 0x200c,
244     DW_AT_MIPS_stride_elem = 0x200d,
245     DW_AT_MIPS_ptr_dopetype = 0x200e,
246     DW_AT_MIPS_allocatable_dopetype = 0x200f,
247     DW_AT_MIPS_assumed_shape_dopetype = 0x2010,
248     DW_AT_MIPS_assumed_size = 0x2011,
249 
250     /* GNU extensions.  */
251     DW_AT_sf_names = 0x2101,
252     DW_AT_src_info = 0x2102,
253     DW_AT_mac_info = 0x2103,
254     DW_AT_src_coords = 0x2104,
255     DW_AT_body_begin = 0x2105,
256     DW_AT_body_end = 0x2106,
257     DW_AT_GNU_vector = 0x2107,
258     DW_AT_GNU_guarded_by = 0x2108,
259     DW_AT_GNU_pt_guarded_by = 0x2109,
260     DW_AT_GNU_guarded = 0x210a,
261     DW_AT_GNU_pt_guarded = 0x210b,
262     DW_AT_GNU_locks_excluded = 0x210c,
263     DW_AT_GNU_exclusive_locks_required = 0x210d,
264     DW_AT_GNU_shared_locks_required = 0x210e,
265     DW_AT_GNU_odr_signature = 0x210f,
266     DW_AT_GNU_template_name = 0x2110,
267     DW_AT_GNU_call_site_value = 0x2111,
268     DW_AT_GNU_call_site_data_value = 0x2112,
269     DW_AT_GNU_call_site_target = 0x2113,
270     DW_AT_GNU_call_site_target_clobbered = 0x2114,
271     DW_AT_GNU_tail_call = 0x2115,
272     DW_AT_GNU_all_tail_call_sites = 0x2116,
273     DW_AT_GNU_all_call_sites = 0x2117,
274     DW_AT_GNU_all_source_call_sites = 0x2118,
275     DW_AT_GNU_macros = 0x2119,
276     DW_AT_GNU_deleted = 0x211a,
277 
278     DW_AT_hi_user = 0x3fff
279   };
280 
281 
282 /* DWARF form encodings.  */
283 enum
284   {
285     DW_FORM_addr = 0x01,
286     DW_FORM_block2 = 0x03,
287     DW_FORM_block4 = 0x04,
288     DW_FORM_data2 = 0x05,
289     DW_FORM_data4 = 0x06,
290     DW_FORM_data8 = 0x07,
291     DW_FORM_string = 0x08,
292     DW_FORM_block = 0x09,
293     DW_FORM_block1 = 0x0a,
294     DW_FORM_data1 = 0x0b,
295     DW_FORM_flag = 0x0c,
296     DW_FORM_sdata = 0x0d,
297     DW_FORM_strp = 0x0e,
298     DW_FORM_udata = 0x0f,
299     DW_FORM_ref_addr = 0x10,
300     DW_FORM_ref1 = 0x11,
301     DW_FORM_ref2 = 0x12,
302     DW_FORM_ref4 = 0x13,
303     DW_FORM_ref8 = 0x14,
304     DW_FORM_ref_udata = 0x15,
305     DW_FORM_indirect = 0x16,
306     DW_FORM_sec_offset = 0x17,
307     DW_FORM_exprloc = 0x18,
308     DW_FORM_flag_present = 0x19,
309     DW_FORM_ref_sig8 = 0x20,
310 
311     DW_FORM_GNU_ref_alt = 0x1f20, /* offset in alternate .debuginfo.  */
312     DW_FORM_GNU_strp_alt = 0x1f21 /* offset in alternate .debug_str. */
313   };
314 
315 
316 /* DWARF location operation encodings.  */
317 enum
318   {
319     DW_OP_addr = 0x03,		/* Constant address.  */
320     DW_OP_deref = 0x06,
321     DW_OP_const1u = 0x08,	/* Unsigned 1-byte constant.  */
322     DW_OP_const1s = 0x09,	/* Signed 1-byte constant.  */
323     DW_OP_const2u = 0x0a,	/* Unsigned 2-byte constant.  */
324     DW_OP_const2s = 0x0b,	/* Signed 2-byte constant.  */
325     DW_OP_const4u = 0x0c,	/* Unsigned 4-byte constant.  */
326     DW_OP_const4s = 0x0d,	/* Signed 4-byte constant.  */
327     DW_OP_const8u = 0x0e,	/* Unsigned 8-byte constant.  */
328     DW_OP_const8s = 0x0f,	/* Signed 8-byte constant.  */
329     DW_OP_constu = 0x10,	/* Unsigned LEB128 constant.  */
330     DW_OP_consts = 0x11,	/* Signed LEB128 constant.  */
331     DW_OP_dup = 0x12,
332     DW_OP_drop = 0x13,
333     DW_OP_over = 0x14,
334     DW_OP_pick = 0x15,		/* 1-byte stack index.  */
335     DW_OP_swap = 0x16,
336     DW_OP_rot = 0x17,
337     DW_OP_xderef = 0x18,
338     DW_OP_abs = 0x19,
339     DW_OP_and = 0x1a,
340     DW_OP_div = 0x1b,
341     DW_OP_minus = 0x1c,
342     DW_OP_mod = 0x1d,
343     DW_OP_mul = 0x1e,
344     DW_OP_neg = 0x1f,
345     DW_OP_not = 0x20,
346     DW_OP_or = 0x21,
347     DW_OP_plus = 0x22,
348     DW_OP_plus_uconst = 0x23,	/* Unsigned LEB128 addend.  */
349     DW_OP_shl = 0x24,
350     DW_OP_shr = 0x25,
351     DW_OP_shra = 0x26,
352     DW_OP_xor = 0x27,
353     DW_OP_bra = 0x28,		/* Signed 2-byte constant.  */
354     DW_OP_eq = 0x29,
355     DW_OP_ge = 0x2a,
356     DW_OP_gt = 0x2b,
357     DW_OP_le = 0x2c,
358     DW_OP_lt = 0x2d,
359     DW_OP_ne = 0x2e,
360     DW_OP_skip = 0x2f,		/* Signed 2-byte constant.  */
361     DW_OP_lit0 = 0x30,		/* Literal 0.  */
362     DW_OP_lit1 = 0x31,		/* Literal 1.  */
363     DW_OP_lit2 = 0x32,		/* Literal 2.  */
364     DW_OP_lit3 = 0x33,		/* Literal 3.  */
365     DW_OP_lit4 = 0x34,		/* Literal 4.  */
366     DW_OP_lit5 = 0x35,		/* Literal 5.  */
367     DW_OP_lit6 = 0x36,		/* Literal 6.  */
368     DW_OP_lit7 = 0x37,		/* Literal 7.  */
369     DW_OP_lit8 = 0x38,		/* Literal 8.  */
370     DW_OP_lit9 = 0x39,		/* Literal 9.  */
371     DW_OP_lit10 = 0x3a,		/* Literal 10.  */
372     DW_OP_lit11 = 0x3b,		/* Literal 11.  */
373     DW_OP_lit12 = 0x3c,		/* Literal 12.  */
374     DW_OP_lit13 = 0x3d,		/* Literal 13.  */
375     DW_OP_lit14 = 0x3e,		/* Literal 14.  */
376     DW_OP_lit15 = 0x3f,		/* Literal 15.  */
377     DW_OP_lit16 = 0x40,		/* Literal 16.  */
378     DW_OP_lit17 = 0x41,		/* Literal 17.  */
379     DW_OP_lit18 = 0x42,		/* Literal 18.  */
380     DW_OP_lit19 = 0x43,		/* Literal 19.  */
381     DW_OP_lit20 = 0x44,		/* Literal 20.  */
382     DW_OP_lit21 = 0x45,		/* Literal 21.  */
383     DW_OP_lit22 = 0x46,		/* Literal 22.  */
384     DW_OP_lit23 = 0x47,		/* Literal 23.  */
385     DW_OP_lit24 = 0x48,		/* Literal 24.  */
386     DW_OP_lit25 = 0x49,		/* Literal 25.  */
387     DW_OP_lit26 = 0x4a,		/* Literal 26.  */
388     DW_OP_lit27 = 0x4b,		/* Literal 27.  */
389     DW_OP_lit28 = 0x4c,		/* Literal 28.  */
390     DW_OP_lit29 = 0x4d,		/* Literal 29.  */
391     DW_OP_lit30 = 0x4e,		/* Literal 30.  */
392     DW_OP_lit31 = 0x4f,		/* Literal 31.  */
393     DW_OP_reg0 = 0x50,		/* Register 0.  */
394     DW_OP_reg1 = 0x51,		/* Register 1.  */
395     DW_OP_reg2 = 0x52,		/* Register 2.  */
396     DW_OP_reg3 = 0x53,		/* Register 3.  */
397     DW_OP_reg4 = 0x54,		/* Register 4.  */
398     DW_OP_reg5 = 0x55,		/* Register 5.  */
399     DW_OP_reg6 = 0x56,		/* Register 6.  */
400     DW_OP_reg7 = 0x57,		/* Register 7.  */
401     DW_OP_reg8 = 0x58,		/* Register 8.  */
402     DW_OP_reg9 = 0x59,		/* Register 9.  */
403     DW_OP_reg10 = 0x5a,		/* Register 10.  */
404     DW_OP_reg11 = 0x5b,		/* Register 11.  */
405     DW_OP_reg12 = 0x5c,		/* Register 12.  */
406     DW_OP_reg13 = 0x5d,		/* Register 13.  */
407     DW_OP_reg14 = 0x5e,		/* Register 14.  */
408     DW_OP_reg15 = 0x5f,		/* Register 15.  */
409     DW_OP_reg16 = 0x60,		/* Register 16.  */
410     DW_OP_reg17 = 0x61,		/* Register 17.  */
411     DW_OP_reg18 = 0x62,		/* Register 18.  */
412     DW_OP_reg19 = 0x63,		/* Register 19.  */
413     DW_OP_reg20 = 0x64,		/* Register 20.  */
414     DW_OP_reg21 = 0x65,		/* Register 21.  */
415     DW_OP_reg22 = 0x66,		/* Register 22.  */
416     DW_OP_reg23 = 0x67,		/* Register 24.  */
417     DW_OP_reg24 = 0x68,		/* Register 24.  */
418     DW_OP_reg25 = 0x69,		/* Register 25.  */
419     DW_OP_reg26 = 0x6a,		/* Register 26.  */
420     DW_OP_reg27 = 0x6b,		/* Register 27.  */
421     DW_OP_reg28 = 0x6c,		/* Register 28.  */
422     DW_OP_reg29 = 0x6d,		/* Register 29.  */
423     DW_OP_reg30 = 0x6e,		/* Register 30.  */
424     DW_OP_reg31 = 0x6f,		/* Register 31.  */
425     DW_OP_breg0 = 0x70,		/* Base register 0.  */
426     DW_OP_breg1 = 0x71,		/* Base register 1.  */
427     DW_OP_breg2 = 0x72,		/* Base register 2.  */
428     DW_OP_breg3 = 0x73,		/* Base register 3.  */
429     DW_OP_breg4 = 0x74,		/* Base register 4.  */
430     DW_OP_breg5 = 0x75,		/* Base register 5.  */
431     DW_OP_breg6 = 0x76,		/* Base register 6.  */
432     DW_OP_breg7 = 0x77,		/* Base register 7.  */
433     DW_OP_breg8 = 0x78,		/* Base register 8.  */
434     DW_OP_breg9 = 0x79,		/* Base register 9.  */
435     DW_OP_breg10 = 0x7a,	/* Base register 10.  */
436     DW_OP_breg11 = 0x7b,	/* Base register 11.  */
437     DW_OP_breg12 = 0x7c,	/* Base register 12.  */
438     DW_OP_breg13 = 0x7d,	/* Base register 13.  */
439     DW_OP_breg14 = 0x7e,	/* Base register 14.  */
440     DW_OP_breg15 = 0x7f,	/* Base register 15.  */
441     DW_OP_breg16 = 0x80,	/* Base register 16.  */
442     DW_OP_breg17 = 0x81,	/* Base register 17.  */
443     DW_OP_breg18 = 0x82,	/* Base register 18.  */
444     DW_OP_breg19 = 0x83,	/* Base register 19.  */
445     DW_OP_breg20 = 0x84,	/* Base register 20.  */
446     DW_OP_breg21 = 0x85,	/* Base register 21.  */
447     DW_OP_breg22 = 0x86,	/* Base register 22.  */
448     DW_OP_breg23 = 0x87,	/* Base register 23.  */
449     DW_OP_breg24 = 0x88,	/* Base register 24.  */
450     DW_OP_breg25 = 0x89,	/* Base register 25.  */
451     DW_OP_breg26 = 0x8a,	/* Base register 26.  */
452     DW_OP_breg27 = 0x8b,	/* Base register 27.  */
453     DW_OP_breg28 = 0x8c,	/* Base register 28.  */
454     DW_OP_breg29 = 0x8d,	/* Base register 29.  */
455     DW_OP_breg30 = 0x8e,	/* Base register 30.  */
456     DW_OP_breg31 = 0x8f,	/* Base register 31.  */
457     DW_OP_regx = 0x90,		/* Unsigned LEB128 register.  */
458     DW_OP_fbreg = 0x91,		/* Signed LEB128 offset.  */
459     DW_OP_bregx = 0x92,		/* ULEB128 register followed by SLEB128 off. */
460     DW_OP_piece = 0x93,		/* ULEB128 size of piece addressed. */
461     DW_OP_deref_size = 0x94,	/* 1-byte size of data retrieved.  */
462     DW_OP_xderef_size = 0x95,	/* 1-byte size of data retrieved.  */
463     DW_OP_nop = 0x96,
464     DW_OP_push_object_address = 0x97,
465     DW_OP_call2 = 0x98,
466     DW_OP_call4 = 0x99,
467     DW_OP_call_ref = 0x9a,
468     DW_OP_form_tls_address = 0x9b,/* TLS offset to address in current thread */
469     DW_OP_call_frame_cfa = 0x9c,/* CFA as determined by CFI.  */
470     DW_OP_bit_piece = 0x9d,	/* ULEB128 size and ULEB128 offset in bits.  */
471     DW_OP_implicit_value = 0x9e, /* DW_FORM_block follows opcode.  */
472     DW_OP_stack_value = 0x9f,	 /* No operands, special like DW_OP_piece.  */
473 
474     /* GNU extensions.  */
475     DW_OP_GNU_push_tls_address = 0xe0,
476     DW_OP_GNU_uninit = 0xf0,
477     DW_OP_GNU_encoded_addr = 0xf1,
478     DW_OP_GNU_implicit_pointer = 0xf2,
479     DW_OP_GNU_entry_value = 0xf3,
480     DW_OP_GNU_const_type = 0xf4,
481     DW_OP_GNU_regval_type = 0xf5,
482     DW_OP_GNU_deref_type = 0xf6,
483     DW_OP_GNU_convert = 0xf7,
484     DW_OP_GNU_reinterpret = 0xf9,
485     DW_OP_GNU_parameter_ref = 0xfa,
486 
487     DW_OP_lo_user = 0xe0,	/* Implementation-defined range start.  */
488     DW_OP_hi_user = 0xff	/* Implementation-defined range end.  */
489   };
490 
491 
492 /* DWARF base type encodings.  */
493 enum
494   {
495     DW_ATE_void = 0x0,
496     DW_ATE_address = 0x1,
497     DW_ATE_boolean = 0x2,
498     DW_ATE_complex_float = 0x3,
499     DW_ATE_float = 0x4,
500     DW_ATE_signed = 0x5,
501     DW_ATE_signed_char = 0x6,
502     DW_ATE_unsigned = 0x7,
503     DW_ATE_unsigned_char = 0x8,
504     DW_ATE_imaginary_float = 0x9,
505     DW_ATE_packed_decimal = 0xa,
506     DW_ATE_numeric_string = 0xb,
507     DW_ATE_edited = 0xc,
508     DW_ATE_signed_fixed = 0xd,
509     DW_ATE_unsigned_fixed = 0xe,
510     DW_ATE_decimal_float = 0xf,
511     DW_ATE_UTF = 0x10,
512 
513     DW_ATE_lo_user = 0x80,
514     DW_ATE_hi_user = 0xff
515   };
516 
517 
518 /* DWARF decimal sign encodings.  */
519 enum
520   {
521     DW_DS_unsigned = 1,
522     DW_DS_leading_overpunch = 2,
523     DW_DS_trailing_overpunch = 3,
524     DW_DS_leading_separate = 4,
525     DW_DS_trailing_separate = 5,
526   };
527 
528 
529 /* DWARF endianity encodings.  */
530 enum
531   {
532     DW_END_default = 0,
533     DW_END_big = 1,
534     DW_END_little = 2,
535 
536     DW_END_lo_user = 0x40,
537     DW_END_hi_user = 0xff
538   };
539 
540 
541 /* DWARF accessibility encodings.  */
542 enum
543   {
544     DW_ACCESS_public = 1,
545     DW_ACCESS_protected = 2,
546     DW_ACCESS_private = 3
547   };
548 
549 
550 /* DWARF visibility encodings.  */
551 enum
552   {
553     DW_VIS_local = 1,
554     DW_VIS_exported = 2,
555     DW_VIS_qualified = 3
556   };
557 
558 
559 /* DWARF virtuality encodings.  */
560 enum
561   {
562     DW_VIRTUALITY_none = 0,
563     DW_VIRTUALITY_virtual = 1,
564     DW_VIRTUALITY_pure_virtual = 2
565   };
566 
567 
568 /* DWARF language encodings.  */
569 enum
570   {
571     DW_LANG_C89 = 0x0001,	     /* ISO C:1989 */
572     DW_LANG_C = 0x0002,		     /* C */
573     DW_LANG_Ada83 = 0x0003,	     /* ISO Ada:1983 */
574     DW_LANG_C_plus_plus	= 0x0004,    /* ISO C++:1998 */
575     DW_LANG_Cobol74 = 0x0005,	     /* ISO Cobol:1974 */
576     DW_LANG_Cobol85 = 0x0006,	     /* ISO Cobol:1985 */
577     DW_LANG_Fortran77 = 0x0007,	     /* ISO FORTRAN 77 */
578     DW_LANG_Fortran90 = 0x0008,	     /* ISO Fortran 90 */
579     DW_LANG_Pascal83 = 0x0009,	     /* ISO Pascal:1983 */
580     DW_LANG_Modula2 = 0x000a,	     /* ISO Modula-2:1996 */
581     DW_LANG_Java = 0x000b,	     /* Java */
582     DW_LANG_C99 = 0x000c,	     /* ISO C:1999 */
583     DW_LANG_Ada95 = 0x000d,	     /* ISO Ada:1995 */
584     DW_LANG_Fortran95 = 0x000e,	     /* ISO Fortran 95 */
585     DW_LANG_PL1 = 0x000f,	     /* ISO PL/1:1976 */
586     DW_LANG_ObjC = 0x0010,	     /* Objective-C */
587     DW_LANG_ObjC_plus_plus = 0x0011, /* Objective-C++ */
588     DW_LANG_UPC = 0x0012,	     /* Unified Parallel C */
589     DW_LANG_D = 0x0013,		     /* D */
590     DW_LANG_Python = 0x0014,	     /* Python */
591     DW_LANG_Go = 0x0016,	     /* Go */
592     DW_LANG_Haskell = 0x0018,	     /* Haskell */
593     DW_LANG_C_plus_plus_11 = 0x001a, /* ISO C++:2011 */
594     DW_LANG_C11 = 0x001d,	     /* ISO C:2011 */
595     DW_LANG_C_plus_plus_14 = 0x0021, /* ISO C++:2014 */
596     DW_LANG_Fortran03 = 0x0022,	     /* ISO/IEC 1539-1:2004 */
597     DW_LANG_Fortran08 = 0x0023,	     /* ISO/IEC 1539-1:2010 */
598 
599 
600     DW_LANG_lo_user = 0x8000,
601     DW_LANG_Mips_Assembler = 0x8001, /* Assembler */
602     DW_LANG_hi_user = 0xffff
603   };
604 
605 
606 /* DWARF identifier case encodings.  */
607 enum
608   {
609     DW_ID_case_sensitive = 0,
610     DW_ID_up_case = 1,
611     DW_ID_down_case = 2,
612     DW_ID_case_insensitive = 3
613   };
614 
615 
616 /* DWARF calling conventions encodings.  */
617 enum
618   {
619     DW_CC_normal = 0x1,
620     DW_CC_program = 0x2,
621     DW_CC_nocall = 0x3,
622     DW_CC_lo_user = 0x40,
623     DW_CC_hi_user = 0xff
624   };
625 
626 
627 /* DWARF inline encodings.  */
628 enum
629   {
630     DW_INL_not_inlined = 0,
631     DW_INL_inlined = 1,
632     DW_INL_declared_not_inlined = 2,
633     DW_INL_declared_inlined = 3
634   };
635 
636 
637 /* DWARF ordering encodings.  */
638 enum
639   {
640     DW_ORD_row_major = 0,
641     DW_ORD_col_major = 1
642   };
643 
644 
645 /* DWARF discriminant descriptor encodings.  */
646 enum
647   {
648     DW_DSC_label = 0,
649     DW_DSC_range = 1
650   };
651 
652 
653 /* DWARF standard opcode encodings.  */
654 enum
655   {
656     DW_LNS_copy = 1,
657     DW_LNS_advance_pc = 2,
658     DW_LNS_advance_line = 3,
659     DW_LNS_set_file = 4,
660     DW_LNS_set_column = 5,
661     DW_LNS_negate_stmt = 6,
662     DW_LNS_set_basic_block = 7,
663     DW_LNS_const_add_pc = 8,
664     DW_LNS_fixed_advance_pc = 9,
665     DW_LNS_set_prologue_end = 10,
666     DW_LNS_set_epilogue_begin = 11,
667     DW_LNS_set_isa = 12
668   };
669 
670 
671 /* DWARF extended opcode encodings.  */
672 enum
673   {
674     DW_LNE_end_sequence = 1,
675     DW_LNE_set_address = 2,
676     DW_LNE_define_file = 3,
677     DW_LNE_set_discriminator = 4,
678 
679     DW_LNE_lo_user = 128,
680     DW_LNE_hi_user = 255
681   };
682 
683 
684 /* DWARF macinfo type encodings.  */
685 enum
686   {
687     DW_MACINFO_define = 1,
688     DW_MACINFO_undef = 2,
689     DW_MACINFO_start_file = 3,
690     DW_MACINFO_end_file = 4,
691     DW_MACINFO_vendor_ext = 255
692   };
693 
694 
695 /* DWARF debug_macro type encodings.  GNU/DWARF5 extension.  */
696 enum
697   {
698     DW_MACRO_GNU_define = 0x01,
699     DW_MACRO_GNU_undef = 0x02,
700     DW_MACRO_GNU_start_file = 0x03,
701     DW_MACRO_GNU_end_file = 0x04,
702     DW_MACRO_GNU_define_indirect = 0x05,
703     DW_MACRO_GNU_undef_indirect = 0x06,
704     DW_MACRO_GNU_transparent_include = 0x07,
705     DW_MACRO_GNU_lo_user = 0xe0,
706     DW_MACRO_GNU_hi_user = 0xff
707   };
708 
709 
710 /* DWARF call frame instruction encodings.  */
711 enum
712   {
713     DW_CFA_advance_loc = 0x40,
714     DW_CFA_offset = 0x80,
715     DW_CFA_restore = 0xc0,
716     DW_CFA_extended = 0,
717 
718     DW_CFA_nop = 0x00,
719     DW_CFA_set_loc = 0x01,
720     DW_CFA_advance_loc1 = 0x02,
721     DW_CFA_advance_loc2 = 0x03,
722     DW_CFA_advance_loc4 = 0x04,
723     DW_CFA_offset_extended = 0x05,
724     DW_CFA_restore_extended = 0x06,
725     DW_CFA_undefined = 0x07,
726     DW_CFA_same_value = 0x08,
727     DW_CFA_register = 0x09,
728     DW_CFA_remember_state = 0x0a,
729     DW_CFA_restore_state = 0x0b,
730     DW_CFA_def_cfa = 0x0c,
731     DW_CFA_def_cfa_register = 0x0d,
732     DW_CFA_def_cfa_offset = 0x0e,
733     DW_CFA_def_cfa_expression = 0x0f,
734     DW_CFA_expression = 0x10,
735     DW_CFA_offset_extended_sf = 0x11,
736     DW_CFA_def_cfa_sf = 0x12,
737     DW_CFA_def_cfa_offset_sf = 0x13,
738     DW_CFA_val_offset = 0x14,
739     DW_CFA_val_offset_sf = 0x15,
740     DW_CFA_val_expression = 0x16,
741 
742     DW_CFA_low_user = 0x1c,
743     DW_CFA_MIPS_advance_loc8 = 0x1d,
744     DW_CFA_GNU_window_save = 0x2d,
745     DW_CFA_GNU_args_size = 0x2e,
746     DW_CFA_GNU_negative_offset_extended = 0x2f,
747     DW_CFA_high_user = 0x3f
748   };
749 
750 /* ID indicating CIE as opposed to FDE in .debug_frame.  */
751 enum
752   {
753     DW_CIE_ID_32 = 0xffffffffU,		 /* In 32-bit format CIE header.  */
754     DW_CIE_ID_64 = 0xffffffffffffffffULL /* In 64-bit format CIE header.  */
755   };
756 
757 
758 /* Information for GNU unwind information.  */
759 enum
760   {
761     DW_EH_PE_absptr = 0x00,
762     DW_EH_PE_omit = 0xff,
763 
764     /* FDE data encoding.  */
765     DW_EH_PE_uleb128 = 0x01,
766     DW_EH_PE_udata2 = 0x02,
767     DW_EH_PE_udata4 = 0x03,
768     DW_EH_PE_udata8 = 0x04,
769     DW_EH_PE_sleb128 = 0x09,
770     DW_EH_PE_sdata2 = 0x0a,
771     DW_EH_PE_sdata4 = 0x0b,
772     DW_EH_PE_sdata8 = 0x0c,
773     DW_EH_PE_signed = 0x08,
774 
775     /* FDE flags.  */
776     DW_EH_PE_pcrel = 0x10,
777     DW_EH_PE_textrel = 0x20,
778     DW_EH_PE_datarel = 0x30,
779     DW_EH_PE_funcrel = 0x40,
780     DW_EH_PE_aligned = 0x50,
781 
782     DW_EH_PE_indirect = 0x80
783   };
784 
785 
786 /* DWARF XXX.  */
787 #define DW_ADDR_none	0
788 
789 /* Section 7.2.2 of the DWARF3 specification defines a range of escape
790    codes that can appear in the length field of certain DWARF structures.
791 
792    These defines enumerate the minium and maximum values of this range.
793    Currently only the maximum value is used (to indicate that 64-bit
794    values are going to be used in the dwarf data that accompanies the
795    structure).  The other values are reserved.
796 
797    Note: There is a typo in DWARF3 spec (published Dec 20, 2005).  In
798    sections 7.4, 7.5.1, 7.19, 7.20 the minimum escape code is referred to
799    as 0xffffff00 whereas in fact it should be 0xfffffff0.  */
800 #define DWARF3_LENGTH_MIN_ESCAPE_CODE 0xfffffff0u
801 #define DWARF3_LENGTH_MAX_ESCAPE_CODE 0xffffffffu
802 #define DWARF3_LENGTH_64_BIT          DWARF3_LENGTH_MAX_ESCAPE_CODE
803 
804 #endif	/* dwarf.h */
805