1# Expect script for various ELF tests.
2#   Copyright (C) 2002-2016 Free Software Foundation, Inc.
3#
4# This file is part of the GNU Binutils.
5#
6# This program is free software; you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation; either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program; if not, write to the Free Software
18# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19# MA 02110-1301, USA.
20#
21
22# Exclude non-ELF targets.
23
24if ![is_elf_format] {
25    return
26}
27
28set old_ldflags $LDFLAGS
29if { [istarget spu*-*-*] } {
30    set LDFLAGS "$LDFLAGS --local-store 0:0"
31}
32if { [istarget alpha*-*-* ] } {
33    # The compress1 test is written expecting 32-bit addresses; force the
34    # executable down into the low address space to match.
35    # ??? How can we adjust just the one testcase?
36    set LDFLAGS "$LDFLAGS -Ttext-segment 0x1000000"
37}
38
39if { [istarget "*-*-nacl*"] } {
40    # The eh[1-4] cases are written to expect ELFCLASS64 layout on x86-64.
41    # But the target default is ELFCLASS32.  So the cases explicitly use
42    # -melf_x86_64 to select that, but NaCl needs a different emulation name.
43    set options_regsub(ld) {-melf_x86_64 -melf_x86_64_nacl}
44}
45
46if { [istarget "*-*-solaris*"] } {
47    # Same for Solaris
48    set options_regsub(ld) {-melf_x86_64 -melf_x86_64_sol2}
49}
50
51if { [is_remote host] } then {
52    remote_download host merge.ld
53}
54
55if { ![istarget hppa64*-hpux*] } {
56    run_ld_link_tests {
57	{"Build symbol3.a"
58	    "" "" ""
59	    {symbol3.s} {} "symbol3.a"}
60	{"Build symbol3w.a"
61	    "" "" ""
62	    {symbol3w.s} {} "symbol3w.a"}
63    }
64
65    if { [check_shared_lib_support] } then {
66	run_ld_link_tests {
67	    {"Build pr14170a.o" "" "" "" "pr14170a.s" {} "pr14170.a" }
68	}
69	setup_xfail "tic6x-*-*"
70	run_ld_link_tests {
71	    {"Build shared library for pr14170"
72		"-shared" "" "" "pr14170b.s" {} "pr14170.so" }
73	}
74	# bfin does not currently support copy relocs.
75	setup_xfail "bfin-*-*"
76	run_ld_link_tests {
77	    {"PR ld/14170"
78		"tmpdir/pr14170a.o tmpdir/pr14170.so" "" "" "pr14170c.s"
79		{ } "pr14170" }
80	}
81    }
82}
83
84# Only run these tests on targets that support creating shared libraries.
85if { [check_shared_lib_support] } then {
86    # Run a test to check linking a shared library with a broken linker
87    # script that accidentally marks dynamic sections as notes.  The
88    # resulting executable is not expected to work, but the linker
89    # should not seg-fault whilst creating the binary.
90    setup_xfail "tic6x-*-*"
91    run_ld_link_tests {
92	{"Build shared library for next test"
93	    "-shared" "" "" "note-3.s" {} "note-3.so" }
94	{"Link using broken linker script"
95	    "--script note-3.t tmpdir/note-3.so" "" "" ""
96	    { { ld "note-3.l" } }
97	    "a.out" }
98    }
99    setup_xfail "tic6x-*-*"
100    run_ld_link_tests {
101	{"Build pr17068.so"
102	    "-shared" "" ""
103	    {pr17068d.s} {} "pr17068.so"}
104	{"Build pr17068a.a"
105	    "" "" ""
106	    {pr17068a.s pr17068c.s pr17068ez.s} {} "pr17068a.a"}
107	{"Build pr17068b.a"
108	    "" "" ""
109	    {pr17068b.s pr17068e.s} {} "pr17068b.a"}
110    }
111    # bfin does not currently support copy relocs.
112    setup_xfail "bfin-*-*"
113    run_ld_link_tests {
114	{"pr17068 link --as-needed lib in group"
115	    "--as-needed" "--start-group tmpdir/pr17068a.a tmpdir/pr17068.so tmpdir/pr17068b.a --end-group" ""
116	    {start.s pr17068.s} {} "pr17068"}
117    }
118    # xfail on tic6x due to non-PIC/non-PID warnings
119    setup_xfail "tic6x-*-*"
120    # Fails on MIPS because ABI trickery means that a NULL reloc is also emitted.
121    setup_xfail "mips*-*-*"
122    # Fails on bfin because relocations are not created.
123    setup_xfail "bfin-*-*"
124    run_ld_link_tests {
125	{"-Bsymbolic-functions"
126	    "-shared -Bsymbolic-functions" "" ""
127	    {symbolic-func.s} {{readelf {-r --wide} symbolic-func.r}}
128	    "symbolic-func.so"}
129    }
130}
131
132set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
133foreach t $test_list {
134    # We need to strip the ".d", but can leave the dirname.
135    verbose [file rootname $t]
136    run_dump_test [file rootname $t]
137}
138
139if { [istarget *-*-linux*]
140     || [istarget *-*-nacl*]
141     || [istarget *-*-gnu*] } {
142    run_ld_link_tests {
143	{"Weak symbols in dynamic objects 1 (support)"
144	    "-shared" "" "" {weak-dyn-1a.s}
145	    {}
146	    "libweakdyn1a.so"}
147	{"Weak symbols in dynamic objects 1 (main test)"
148	    "-shared tmpdir/libweakdyn1a.so -Tweak-dyn-1.ld" "" "" {weak-dyn-1b.s}
149	    {{readelf {--relocs --wide} weak-dyn-1.rd}}
150	    "libweakdyn1b.so"}
151    }
152}
153
154#v850 gas complains about .tbss.var section attributes.
155if { [check_gc_sections_available] && ![istarget "v850-*-*"] } {
156    run_ld_link_tests {
157	{"--gc-sections on tls variable"
158	    "--gc-section" "" "" {tls_gc.s} {} "tls_gc"}
159    }
160}
161
162if { [istarget *-*-*linux*]
163     || [istarget *-*-nacl*]
164     || [istarget *-*-gnu*] } {
165    run_ld_link_tests {
166	{"stack exec" "-z execstack" "" "" {stack.s}
167	    {{readelf {-Wl} stack-exec.rd}} "stack-exec.exe"}
168	{"stack size" "-z stack-size=0x123400" "" "" {stack.s}
169	    {{readelf {-Wl} stack-size.rd}} "stack-size.exe"}
170    }
171}
172
173set LDFLAGS $old_ldflags
174
175# The following tests require running the executable generated by ld.
176if ![isnative] {
177    return
178}
179
180if [check_gc_sections_available] {
181    run_cc_link_tests {
182	{"PR ld/13195" "-Wl,--gc-sections" ""
183	 {pr13195.c} {} "pr13195"}
184    }
185}
186
187set array_tests {
188    {"preinit array" "" "" {preinit.c} "preinit" "preinit.out"}
189    {"init array" "" "" {init.c} "init" "init.out"}
190    {"fini array" "" "" {fini.c} "fini" "fini.out"}
191    {"init array mixed" "" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
192}
193set array_tests_pie {
194    {"PIE preinit array" "-pie" "" {preinit.c} "preinit" "preinit.out" "-fPIE" }
195    {"PIE init array" "-pie" "" {init.c} "init" "init.out" "-fPIE"}
196    {"PIE fini array" "-pie" "" {fini.c} "fini" "fini.out" "-fPIE"}
197    {"PIE init array mixed" "-pie" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I. -fPIE"}
198    {"PIE PR ld/14525" "-pie" "" {pr14525.c} "pr14525" "pr14525.out" "-fPIE"}
199}
200set array_tests_static {
201    {"static preinit array" "-static" "" {preinit.c} "preinit" "preinit.out"}
202    {"static init array" "-static" "" {init.c} "init" "init.out"}
203    {"static fini array" "-static" "" {fini.c} "fini" "fini.out"}
204    {"static init array mixed" "-static" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
205}
206
207# NetBSD ELF systems do not currently support the .*_array sections.
208set xfails [list "*-*-netbsdelf*"]
209run_ld_link_exec_tests $xfails $array_tests
210
211if { [istarget *-*-linux*]
212     || [istarget *-*-nacl*]
213     || [istarget *-*-gnu*] } {
214    run_ld_link_exec_tests $xfails $array_tests_pie
215}
216
217# Be cautious to not XFAIL for *-*-linux-gnu*, *-*-kfreebsd-gnu*, etc.
218switch -regexp $target_triplet {
219    ^\[^-\]*-\[^-\]*-gnu.*$ {
220	# <http://www.gnu.org/software/hurd/open_issues/binutils.html#static>
221	lappend xfails "*-*-*"
222    }
223}
224run_ld_link_exec_tests $xfails $array_tests_static
225
226catch "exec rm -f tmpdir/preinit tmpdir/init tmpdir/fini tmpdir/init-mixed" status
227