1 # Expect script for ld-plugin LTO tests
2 # Copyright (C) 2011-2018 Free Software Foundation, Inc.
4 # This file is part of the GNU Binutils.
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.
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.
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,
21 # Check to see if the C and C++ compilers work
22 if { [which $CC] == 0 || [which $CXX] == 0 } {
26 # These tests require plugin and LTO.
27 if { ![check_plugin_api_available]
28 || ![check_lto_available] } {
36 set saved_CFLAGS "$CFLAGS"
37 set saved_CXXFLAGS "$CXXFLAGS"
38 regsub -all "(\\-Wp,)?-D_FORTIFY_SOURCE=\[0-9\]+" $CFLAGS "" CFLAGS
39 regsub -all "(\\-Wp,)?-D_FORTIFY_SOURCE=\[0-9\]+" $CXXFLAGS "" CXXFLAGS
41 proc restore_notify { } {
44 set CFLAGS "$saved_CFLAGS"
45 set CXXFLAGS "$saved_CXXFLAGS"
54 foreach plug $plugin_names {
55 set plug_so [run_host_cmd $CC "--print-prog-name $plug"]
56 if { $plug_so eq $plug } then {
57 set plug_so [run_host_cmd $CC "--print-file-name $plug"]
59 if { $plug_so ne $plug } then {
60 set plug_opt "--plugin $plug_so"
66 if { [check_lto_fat_available] } {
67 set lto_fat "-ffat-lto-objects"
68 set lto_no_fat "-fno-fat-lto-objects"
71 # Simple LTO tests and generate input files for complex LTO tests.
72 set lto_link_tests [list \
74 "-O2 -flto -fuse-linker-plugin" "-flto -fuse-linker-plugin" \
75 {lto-1a.c lto-1b.c} {} "lto-1.exe"] \
77 "" "-O2 -flto -fuse-linker-plugin" \
80 "-static -O2 -flto -fuse-linker-plugin tmpdir/lto-2.o -lm" "" \
81 {dummy.c} {} "lto-2.exe"] \
88 [list "Build liblto-3.a" \
90 {lto-3b.c} {} "liblto-3.a"] \
98 "-O2 -flto -fuse-linker-plugin" "" \
99 {lto-6.c} {} "lto-6.exe" "c"] \
100 [list "Compile PR ld/12365" \
101 "" "-flto -O2 $lto_fat" \
102 {pr12365a.c pr12365b.c pr12365c.c} {} ""] \
104 "" "-O2 -finline -flto" \
105 {lto-9.cc} {} "" "c++"] \
106 [list "Compile 11a" \
109 [list "Compile 11b" \
112 [list "Compile 11c" \
115 [list "Build liblto-12.a" \
116 "$plug_opt" "-O2 -flto" \
117 {lto-12c.c} {} "liblto-12.a"] \
120 {lto-12a.c lto-12b.c} {} ""] \
123 {lto-13a.c lto-13b.c} {} ""] \
124 [list "Build liblto-13.a" \
126 {lto-13c.c} {} "liblto-13.a"] \
127 [list "Compile 14a" \
129 {lto-14a.c lto-14b.c} {} ""] \
130 [list "Build liblto-14.a" \
131 "$plug_opt" "-flto" \
132 {lto-14c.c} {} "liblto-14.a"] \
133 [list "Compile 15a" \
136 [list "Build liblto-15.a" \
137 "$plug_opt" "-flto" \
138 {lto-15b.c} {} "liblto-15.a"] \
139 [list "PR ld/12696" \
140 "-O2 -flto -fuse-linker-plugin -r -nostdlib" "-O2 -flto" \
141 {pr12696-1.cc} {} "pr12696-1r.o" "c++"] \
142 [list "Compile PR ld/12758" \
144 {pr12758a.s} {} ""] \
145 [list "Build libpr12758.a" \
146 "" "-flto -O2 $lto_fat" \
147 {pr12758b.c} {} "libpr12758.a"] \
148 [list "PR ld/12758" \
149 "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" "" \
150 {dummy.c} {} "pr12758.exe"] \
151 [list "Compile PR ld/12760" \
153 {pr12760a.c} {} ""] \
154 [list "Build libpr12760.a" \
155 "" "-flto -O2 $lto_fat" \
156 {pr12760b.c} {} "libpr12760.a"] \
157 [list "PR ld/12760" \
158 "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" "" \
159 {dummy.c} {{warning "pr12760a.c:6: warning: Bad \\.?bar"}} \
161 [list "Build libpr13183.a" \
162 "-T" "-flto -O2 $lto_fat" \
163 {pr13183a.c} {} "libpr13183.a"] \
164 [list "Compile PR ld/13183" \
166 {pr13183b.c} {} ""] \
167 [list "Compile PR ld/13201" \
170 [list "PR ld/13287" \
171 "-flto -fuse-linker-plugin -Wl,--as-needed" "-flto" \
172 {pr13287.cc} {} "pr13287.exe" "c++"] \
173 [list "PR ld/15323 (1)" \
175 {pr15323a.c} {} "" "c"] \
176 [list "PR ld/15323 (2)" \
177 "-O2 -flto -r -nostdlib" "-O2 -flto" \
178 {pr15323a.c} {} "pr15323a-r.o" "c"] \
179 [list "Compile(1) PR ld/pr16846" \
181 {pr16846a.c pr16846b.c} {} ""] \
182 [list "Compile(2) PR ld/pr16846" \
184 {pr16846c.c} {} ""] \
185 [list "PR ld/pr16846(1)" \
186 "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846b.o tmpdir/pr16846c.o" "" \
187 {dummy.c} {} "pr16846a.exe"] \
188 [list "PR ld/pr16846(2)" \
189 "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846c.o tmpdir/pr16846b.o" "" \
190 {dummy.c} {} "pr16846b.exe"] \
191 [list "PR ld/19317 (1)" \
192 "$plug_opt" "-flto $lto_no_fat" \
193 {pr19317.c} {} "libpr19317.a"] \
194 [list "Build pr20276a.o" \
197 [list "Build pr20276b.o" \
198 "$plug_opt" "-flto $lto_no_fat" \
200 [list "Build pr20267a.o" \
203 [list "Build libpr20267a.a" \
204 "$plug_opt" "-flto $lto_fat" \
205 {pr20267b.c} {} "libpr20267a.a"] \
206 [list "Build libpr20267b.a" \
207 "$plug_opt" "-flto $lto_no_fat" \
208 {pr20267b.c} {} "libpr20267b.a"] \
209 [list "Build pr20321" \
210 "-flto -Wl,-plugin,$plug_so" "-flto" \
211 {pr20321.c} {{warning ".*: duplicated plugin"}} \
213 [list "Build pr22502a.o" \
216 [list "Build pr22502b.o" \
217 "$plug_opt" "-flto $lto_no_fat" \
219 [list "Build pr22751.a" \
220 "$plug_opt" "-flto $lto_no_fat $INT128_CFLAGS" \
221 {pr22751.c} {} "pr22751.a"] \
222 [list "Build libpr23818.so" \
223 "-shared -flto -g -Wl,-version-script,pr23818.t" \
224 "-g -flto $lto_fat" \
225 {pr23818a.c pr23818b.c} \
226 {{"readelf" {-s --wide} "pr23818.d"}} \
230 if { [at_least_gcc_version 4 7] } {
231 set lto_link_tests [concat $lto_link_tests [list \
232 [list "Compile PR ld/12942 (1)" \
234 {pr12942a.cc pr12942c.cc} {} "" "c++"] \
235 [list "Compile PR ld/12942 (2)" \
237 {pr12942b.cc} {} "" "c++"] \
241 set lto_compile_elf_tests [list \
244 {lto-7a.c lto-7b.c lto-7c.c} {} ""] \
251 [list "PR ld/23309" \
252 "-O2 -flto -fuse-linker-plugin -fvisibility=hidden -ffunction-sections -Wl,--gc-sections,-u,KeepMe" \
253 "-O2 -flto -fuse-linker-plugin -fvisibility=hidden -ffunction-sections" \
254 {pr23309.c} {{"nm" {} "pr23309.d"}} "pr23309.exe" "c"] \
257 # Generate input files for complex LTO tests for ELF.
258 set lto_link_elf_tests [list \
259 [list "Build liblto-7.so" \
260 "-shared" "-O2 -fpic" \
261 {lto-7d.c} {} "liblto-7.so" "c"] \
262 [list "Build liblto-17a.so" \
263 "-shared -O2 -fpic -flto -fuse-linker-plugin" "-O2 -fpic -flto" \
264 {lto-17a.c} {{"nm" {} "lto-17a.d"}} "liblto-17a.so" "c"] \
265 [list "Build liblto-17b.so 1" \
266 "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto" \
267 {lto-17b.c} {{"nm" {} "lto-17b-1.d"}} "liblto-17b.so"] \
268 [list "Build liblto-17b.so 2" \
269 "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto" \
270 {lto-17b.c} {{"nm" {} "lto-17b-2.d"}} "liblto-17b.so"] \
271 [list "PR ld/12975" \
272 "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib -Wl,-version-script,pr12975.t" "-O2 -flto" \
273 {pr12975.c} {{"readelf" {-s --wide} "pr12975.d"}} "pr12975.so" "c"] \
274 [list "PR ld/13229" \
275 "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -finline -fno-early-inlining -flto" \
276 {pr13229.cc} {{"readelf" {-s --wide} "pr13229.d"}} "pr13229.so" "c++"] \
277 [list "PR ld/13244" \
278 "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -fno-early-inlining -flto" \
279 {pr13244.c} {{"readelf" {-s --wide} "pr13244.d"}} "pr13244.so" "c"] \
280 [list "Build libpr15146a.a" \
281 "$plug_opt" "-flto -O2" \
282 {pr15146a.c} {} "lib15146a.a"] \
283 [list "Build pr15146b.so" \
284 "-shared" "-O2 -fpic" \
285 {pr15146b.c} {} "pr15146b.so" "c"] \
286 [list "Build pr15146c.so" \
287 "-shared -Wl,--no-as-needed tmpdir/pr15146b.so" "-O2 -fpic" \
288 {pr15146c.c} {} "pr15146c.so" "c"] \
289 [list "PR ld/15146 (1)" \
290 "-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146a.o tmpdir/pr15146c.so" "" \
291 {dummy.c} {{"readelf" {-d} "pr15146.d"}} "pr15146a.exe"] \
292 [list "Build libpr15146d.a" \
293 "$plug_opt" "-flto -O2" \
294 {pr15146d.c} {} "lib15146d.a"] \
295 [list "Build libpr16746a.a" \
297 {pr16746a.c pr16746b.c} {} "lib15146a.a"] \
298 [list "Build libpr16746b.a" \
299 "$plug_opt" "-O2 -flto" \
300 {pr16746c.c pr16746d.c} {} "lib15146b.a"] \
301 [list "PR ld/16746 (1)" \
302 "-O2 -flto -fuse-linker-plugin tmpdir/pr16746a.o tmpdir/pr16746c.o" "-O2 -flto" \
303 {dummy.c} {} "pr16746a.exe"] \
304 [list "PR ld/16746 (2)" \
305 "-O2 -flto -fuse-linker-plugin tmpdir/pr16746c.o tmpdir/pr16746a.o" "-O2 -flto" \
306 {dummy.c} {} "pr16746b.exe"] \
307 [list "Build pr21382a.o" \
309 {pr21382a.c} {} "" "c"] \
310 [list "Build pr21382.so" \
311 "-shared" "-O2 -fpic" \
312 {pr21382b.c} {} "pr21382.so" "c"] \
313 [list {Build pr22220lib.so} \
314 {-shared -Wl,--version-script=pr22220lib.ver} {-fPIC} \
315 {pr22220lib.cc} {} {pr22220lib.so} {c++}] \
316 [list {Build pr22220main.o} \
318 {pr22220main.cc} {} {} {c++}] \
321 # PR 14918 checks that libgcc is not spuriously included in a shared link of
322 # an empty program. The ARM crt1.o startup code however calls __libc_csu_init
323 # in /usr/lib/libc_nonshared.a(elf-init.oS). This in turn needs
324 # __aeabi_unwind_cpp_pr0@@GCC_3.5 which is provided by libgcc_s.so.1, so the
325 # test fails. Hence this code to skip the test.
326 if { ! [istarget "arm*-*-*"] } {
327 set lto_link_elf_tests [concat $lto_link_elf_tests [list \
328 [list "PR ld/14918" \
330 {pr14918.c} {{"readelf" {-d --wide} "pr14918.d"}} "pr14918.exe" "c"] \
334 # PR 12982 checks that an executable stack is not created by default
335 # when using the LTO plugin. The HPPA target however requires an
336 # executable stack for syscall restarts and signal returns, so we
337 # skip this test for that target.
338 if { ! [istarget "hppa*-*-*"] } {
339 set lto_link_elf_tests [concat $lto_link_elf_tests [list \
340 [list "PR ld/12982" \
341 "-O2 -flto -fuse-linker-plugin" "-O2 -flto" \
342 {pr12982.c} {{"readelf" {-l --wide} "pr12982.d"}} "pr12982.exe"] \
346 # Check final symbols in executables.
347 set lto_link_symbol_tests [list \
348 [list "LTO 3 symbol" \
349 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" "" \
350 {dummy.c} {{"nm" {} "lto-3.d"}} "lto-3.exe" "c"] \
351 [list "LTO 5 symbol" \
352 "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \
353 {dummy.c} {{"nm" {} "lto-5.d"}} "lto-5.exe" "c"] \
354 [list "LTO 9 symbol" \
355 "-O2 -flto -fuse-linker-plugin tmpdir/lto-9.o" "" \
356 {dummy.c} {{"nm" {-C} "lto-9.d"}} "lto-9.exe" "c++"] \
357 [list "LTO 16a symbol" \
358 "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin" "-flto" \
359 {lto-16a.c} {{"nm" {} "lto-16a.d"}} "lto-16.exe" "c"] \
360 [list "LTO 16b symbol" \
361 "-O2 -Wl,-e,foo -u bar -nostdlib -flto -fuse-linker-plugin" "-flto" \
362 {lto-16a.c lto-16b.c} {{"nm" {} "lto-16b.d"}} "lto-16b.exe" "c"] \
363 [list "PR ld/13183" \
364 "-O2 -flto -fuse-linker-plugin tmpdir/pr13183b.o tmpdir/libpr13183.a" "" \
365 {dummy.c} {{"nm" {} "pr13183.d"}} "pr13183.exe" "c"] \
368 # LTO run-time tests.
369 set lto_run_tests [list \
371 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" "" \
372 {dummy.c} "lto-3b.exe" "lto-3.out" "" "c"] \
374 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/lto-3.o" "" \
375 {dummy.c} "lto-3c.exe" "lto-3.out" "" "c"] \
377 "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o -Wl,--whole-archive tmpdir/liblto-3.a -Wl,--no-whole-archive tmpdir/liblto-3.a" "" \
378 {dummy.c} "lto-3d.exe" "lto-3.out" "" "c"] \
380 "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \
381 {dummy.c} "lto-5.exe" "lto-5.out" "" "c"] \
383 "-O -flto -fuse-linker-plugin tmpdir/liblto-11.a" "" \
384 {dummy.c} "lto-11.exe" "lto-11.out" "" "c"] \
386 "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/liblto-12.a tmpdir/lto-12b.o" "" \
387 {dummy.c} "lto-12a.exe" "lto-12.out" "" "c"] \
389 "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/lto-12b.o tmpdir/liblto-12.a" "" \
390 {dummy.c} "lto-12b.exe" "lto-12.out" "" "c"] \
392 "-O -flto -fuse-linker-plugin tmpdir/lto-13a.o tmpdir/liblto-13.a tmpdir/lto-13b.o" "" \
393 {dummy.c} "lto-13.exe" "lto-13.out" "" "c"] \
395 "-O2 -flto -fuse-linker-plugin tmpdir/lto-14a.o -Wl,--whole-archive tmpdir/liblto-14.a -Wl,--no-whole-archive tmpdir/lto-14b.o" "" \
396 {dummy.c} "lto-14.exe" "lto-14.out" "" "c"] \
398 "-O2 -flto -fuse-linker-plugin -Wl,--start-group tmpdir/liblto-15.a tmpdir/lto-15a.o -Wl,--end-group" "" \
399 {dummy.c} "lto-15.exe" "lto-15.out" "" "c"] \
400 [list "PR ld/13066" \
401 "-O2 -flto -fuse-linker-plugin" "" \
402 {pr13066.cc} "pr13066.exe" "pr13066.out" "" "c++"] \
403 [list "PR ld/13201" \
404 "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr13201.o -lm" "" \
405 {dummy.c} "pr13201.exe" "pr13201.out" "" "c"] \
406 [list "PR ld/15323 (3)" \
407 "-O2 -flto -fuse-linker-plugin tmpdir/pr15323a.o" "" \
408 {pr15323b.c} "pr15323.exe" "pr15323.out" "-flto -O2" "c"] \
409 [list "PR ld/15323 (4)" \
410 "-O2 -flto tmpdir/pr15323a-r.o" "" \
411 {dummy.c} "pr15323a.exe" "pr15323.out" "-flto -O2" "c"] \
412 [list "PR ld/19317 (3)" \
413 "-O2 -flto tmpdir/pr19317-r.o" "" \
414 {dummy.c} "pr19317.exe" "pr19317.out" "-flto -O2" "c"] \
415 [list "Run pr20276" \
416 "-O2 -flto tmpdir/pr20276a.o tmpdir/pr20276b.o" "" \
417 {dummy.c} "pr20276" "pass.out" "-flto -O2" "c"] \
418 [list "Run pr20267a" \
419 "-O2 -flto tmpdir/pr20267a.o tmpdir/libpr20267a.a" "" \
420 {dummy.c} "pr20267a" "pass.out" "-flto -O2" "c"] \
421 [list "Run pr20267b" \
422 "-O2 -flto tmpdir/pr20267a.o tmpdir/libpr20267b.a" "" \
423 {dummy.c} "pr20267b" "pass.out" "-flto -O2" "c"] \
424 [list "Run pr22502" \
425 "-O2 -flto tmpdir/pr22502a.o tmpdir/pr22502b.o" "" \
426 {dummy.c} "pr20267" "pass.out" "-flto -O2" "c"] \
427 [list "Run pr22751" \
429 {dummy.c} "pr22751" "pass.out" "-flto -O2" "c" "" \
430 "-Wl,--whole-archive tmpdir/pr22751.a -Wl,--no-whole-archive"] \
433 if { [at_least_gcc_version 4 7] } {
434 set lto_run_tests [concat $lto_run_tests [list \
435 [list "PR ld/12942 (1)" \
436 "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942b.o" "" \
437 {dummy.c} "pr12942a.exe" "pr12942.out" "" "c++"] \
438 [list "PR ld/12942 (2)" \
439 "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942c.o" "" \
440 {dummy.c} "pr12942c.exe" "pr12942.out" "" "c++"] \
444 # LTO run-time tests for ELF which require shared library support.
445 set lto_run_elf_shared_tests [list \
447 "-O2 -flto -fuse-linker-plugin tmpdir/lto-7b.o tmpdir/lto-7c.o tmpdir/lto-7a.o -Wl,--no-as-needed tmpdir/liblto-7.so" "" \
448 {dummy.c} "lto-7.exe" "lto-7.out" "" "c"] \
449 [list "Run pr21382" \
450 "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr21382a.o tmpdir/pr21382.so" "" \
451 {dummy.c} "pr21382.exe" "pass.out" "" "c"] \
453 {-flto -fuse-linker-plugin tmpdir/pr22220main.o tmpdir/pr22220lib.so} {} \
454 {dummy.c} {pr22220a.exe} {pass.out} {} {c++}] \
456 {-flto -fuse-linker-plugin -Wl,--no-as-needed tmpdir/pr22220lib.so tmpdir/pr22220main.o} {} \
457 {dummy.c} {pr22220b.exe} {pass.out} {} {c++}] \
460 # LTO run-time tests for ELF
461 set lto_run_elf_tests [list \
463 "-O2 -flto -fuse-linker-plugin tmpdir/lto-8b.o tmpdir/lto-8a.o" "" \
464 {dummy.c} "lto-8.exe" "lto-8.out" "" "c"] \
466 "-O2 -flto -fuse-linker-plugin" "" \
467 {run-ie.c} "run-ie.exe" "run-ie.out" "" "c"] \
470 run_cc_link_tests $lto_link_tests
472 # These compilation tests generate intermediate object files which will be used
473 # by some elf tests besides shared libs tests. So, always compile them.
474 run_cc_link_tests $lto_compile_elf_tests
476 # Restrict these to ELF targets that support shared libs and PIC.
477 if { [is_elf_format] && [check_lto_shared_available] } {
478 run_cc_link_tests $lto_link_elf_tests
479 set testname "PR ld/15146 (2)"
480 set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146d.o tmpdir/pr15146c.so"]
481 if { [ regexp "undefined reference to symbol '\\.?xxx'" $exec_output ] } {
486 set testname "PR ld/16746 (3)"
487 set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin tmpdir/pr16746b.o tmpdir/pr16746d.o"]
488 if { [ regexp "warning: \\.?foobar" $exec_output ] && ![ regexp "symbol from plugin" $exec_output ] } {
493 set testname "PR ld/16746 (4)"
494 set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin tmpdir/pr16746d.o tmpdir/pr16746b.o"]
495 if { [ regexp "warning: \\.?foobar" $exec_output ] && ![ regexp "symbol from plugin" $exec_output ] } {
502 set testname "Build liblto-11.a"
503 remote_file host delete "tmpdir/liblto-11.a"
504 set catch_output [run_host_cmd "$ar" "rc $plug_opt tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"]
505 if {![string match "" $catch_output]} {
511 if { [at_least_gcc_version 4 7] } {
512 # Check expected LTO linker errors.
513 # Since the asm symbol name hack in pr12365b.c doesn't work on all
514 # targets, run PR ld/12365 tests only for known targets.
515 if { ([istarget "i?86-*-elf*"]
516 || [istarget "i?86-*-linux*"]
517 || [istarget "i?86-*-gnu*"]
518 || [istarget "i?86-*-nacl*"]
519 || [istarget "x86_64-*-nacl*"]
520 || [istarget "x86_64-*-linux*"]
521 || [istarget "amd64-*-linux*"]) } {
522 set testname "PR ld/12365"
523 set exec_output [run_host_cmd "$CC" "-O2 -flto -flto-partition=none -fuse-linker-plugin -o tmpdir/pr12365 tmpdir/pr12365a.o tmpdir/pr12365b.o tmpdir/pr12365c.o"]
524 set exec_output [prune_warnings $exec_output]
525 if { [ regexp "undefined reference to `my_bcopy'" $exec_output ] } {
526 # Linker should catch the reference to undefined `my_bcopy'
527 # error caused by a GCC bug.
529 } elseif { [ string match "" $exec_output ] } {
531 set exec_output [run_host_cmd "$READELF" "-s -W tmpdir/pr12365"]
532 if { [ regexp "my_bcopy" $exec_output ] } {
533 # Verify that there is no `my_bcopy' symbol in executable.
542 run_cc_link_tests [list \
544 "Build pr22721a.so" \
545 "-shared -nostdlib -nostartfiles -Wl,-version-script,pr22721.t" \
554 "-O2 -fPIC -flto $lto_no_fat" \
558 "Build PR ld/pr22721" \
559 "-O2 -flto -fuse-linker-plugin -nostdlib -nostartfiles \
560 -Wl,-e,_start tmpdir/pr22721b.o tmpdir/pr22721a.so" \
568 set testname "PR ld/12942 (3)"
569 set exec_output [run_host_cmd "$CXX" "-O2 -flto -fuse-linker-plugin tmpdir/pr12942b.o tmpdir/pr12942a.o"]
570 if { [ regexp "undefined reference to `\\.?link_error\\(\\)'" $exec_output ] } {
576 run_cc_link_tests [list \
580 "-O2 -fPIC -flto $lto_no_fat" \
581 {pr23460a.c pr23460b.c pr23460c.c \
582 pr23460d.c pr23460e.c pr23460f.c} \
585 set exec_output [run_host_cmd "sh" \
586 "-c \"ulimit -n 16; \
588 tmpdir/libpr23460.a \
594 tmpdir/pr23460f.o\""]
595 set exec_output [prune_warnings $exec_output]
596 if [string match "" $exec_output] then {
597 pass "PR binutils/23460"
599 fail "PR binutils/23460"
603 # Run "ld -r" to generate inputs for complex LTO tests.
604 run_dump_test "lto-3r"
605 remote_exec host "mv" "tmpdir/dump tmpdir/lto-3.o"
606 run_dump_test "lto-5r"
607 remote_exec host "mv" "tmpdir/dump tmpdir/lto-5.o"
609 run_cc_link_tests $lto_link_symbol_tests
611 run_ld_link_tests [list \
612 [list "PR ld/19317 (2)" \
613 "-r tmpdir/pr19317.o" "" "" \
614 {dummy.s} {} "pr19317-r.o"] \
617 run_ld_link_exec_tests $lto_run_tests
619 if { [is_elf_format] } {
620 run_ld_link_exec_tests $lto_run_elf_tests
622 # Note - it is not guaranteed that the ordering of symbols in the dynamic
623 # symbol table will match the ordering of the symbols specified by the
624 # --dynamic-list command line option.
626 # For PR22983 we want to make sure that all four symbols specified in
627 # pr222983.t are present in the output, but a simple sequences of regexps
628 # will not work as we do not know the order of the symbols. (Readelf
629 # does not have a symbol sorting option and the run_cc_list_tests proc
630 # does not allow for the output of the dump program to piped into `sort`).
632 # So instead we run readelf four times, each time checking for the
633 # presence of a specific symbol from the pr22983.t file.
634 run_cc_link_tests [list \
637 "-Wl,--dynamic-list,pr22983.t" \
639 {pr22983a.c pr22983b.c} \
640 {{readelf {--dyn-syms --wide} pr22983.1.d} \
641 {readelf {--dyn-syms --wide} pr22983.2.d} \
642 {readelf {--dyn-syms --wide} pr22983.3.d} \
643 {readelf {--dyn-syms --wide} pr22983.4.d}} \
649 if { [is_elf_format] && [check_lto_shared_available] } {
650 run_ld_link_exec_tests $lto_run_elf_shared_tests
653 proc pr20103 {cflags libs} {
656 set testname "PR ld/20103 ($cflags $libs)"
657 set exec_output [run_host_cmd "$CC" "$cflags $libs"]
658 if { [ regexp "undefined reference to `\\.?dead'" $exec_output ] } {
663 if { [ regexp "plugin needed to handle lto object" $exec_output ] } {
670 if { [check_lto_fat_available] } {
671 run_cc_link_tests [list \
673 "Build fatpr20103a.a" \
674 "$plug_opt" "-flto -ffat-lto-objects" \
675 {pr20103a.c} {} "fatpr20103a.a"
678 "Build fatpr20103b.a" \
679 "$plug_opt" "-flto -ffat-lto-objects" \
680 {pr20103b.c} {} "fatpr20103b.a"
683 "Build fatpr20103c.a" \
684 "$plug_opt" "-flto -ffat-lto-objects" \
685 {pr20103c.c} {} "fatpr20103c.a" \
688 "Build thinpr20103a.a" \
689 "$plug_opt" "-flto -fno-fat-lto-objects" \
690 {pr20103a.c} {} "thinpr20103a.a"
693 "Build thinpr20103b.a" \
694 "$plug_opt" "-flto -fno-fat-lto-objects" \
695 {pr20103b.c} {} "thinpr20103b.a"
698 "Build thinpr20103c.a" \
699 "$plug_opt" "-flto -fno-fat-lto-objects" \
700 {pr20103c.c} {} "thinpr20103c.a" \
704 "-O2 -flto -Wl,--start-group tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a -Wl,--end-group" \
706 {dummy.c} {} "pr20103a" \
710 "-O2 -flto -Wl,--start-group tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a -Wl,--end-group" \
712 {dummy.c} {} "pr20103b" \
716 "-O2 -Wl,--start-group tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a -Wl,--end-group" \
718 {dummy.c} {} "pr20103c" \
721 pr20103 "-O2 -flto" "tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a"
722 pr20103 "-O2 -flto" "tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a"
723 pr20103 "-O2" "tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a"
725 if { [at_least_gcc_version 4 9] } {
726 run_cc_link_tests [list \
729 "-O2 -Wl,--start-group tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a -Wl,--end-group" \
731 {dummy.c} {} "pr20103d" \
734 pr20103 "-O2" "tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a"