Commit | Line | Data |
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d8045f23 NC |
1 | # Expect script for linker support of IFUNC symbols and relocations. |
2 | # | |
219d1afa | 3 | # Copyright (C) 2009-2018 Free Software Foundation, Inc. |
d8045f23 NC |
4 | # Contributed by Red Hat. |
5 | # | |
6 | # This file is part of the GNU Binutils. | |
7 | # | |
8 | # This program is free software; you can redistribute it and/or modify | |
9 | # it under the terms of the GNU General Public License as published by | |
10 | # the Free Software Foundation; either version 3 of the License, or | |
11 | # (at your option) any later version. | |
12 | # | |
13 | # This program is distributed in the hope that it will be useful, | |
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | # GNU General Public License for more details. | |
17 | # | |
18 | # You should have received a copy of the GNU General Public License | |
19 | # along with this program; if not, write to the Free Software | |
20 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | # MA 02110-1301, USA. | |
22 | # | |
23 | # Written by Nick Clifton <nickc@redhat.com> | |
24 | ||
25 | ||
d0c9aeb3 | 26 | # IFUNC support has only been implemented for the ix86, x86_64, powerpc, |
e44c481a | 27 | # aarch64, sparc, and S/390 so far. |
e054468f AM |
28 | if {!(([istarget "i?86-*-*"] |
29 | || [istarget "x86_64-*-*"] | |
d0c9aeb3 | 30 | || [istarget "powerpc*-*-*"] |
1419bbe5 | 31 | || [istarget "aarch64*-*-*"] |
e44c481a AK |
32 | || [istarget "sparc*-*-*"] |
33 | || [istarget "s390*-*-*"]) | |
e054468f | 34 | && ([istarget "*-*-elf*"] |
5a68afcf | 35 | || [istarget "*-*-nacl*"] |
c65c21e1 AM |
36 | || [istarget "*-*-linux*"] |
37 | || [istarget "*-*-gnu*"])) } { | |
d8045f23 NC |
38 | verbose "IFUNC tests not run - target does not support IFUNC" |
39 | return | |
40 | } | |
41 | ||
47523653 AM |
42 | # Skip targets where -shared is not supported |
43 | ||
44 | if ![check_shared_lib_support] { | |
45 | return | |
46 | } | |
47 | ||
f657f8c4 NC |
48 | # This test does not need a compiler... |
49 | run_dump_test "ifuncmod5" | |
50 | ||
ac98f9e2 L |
51 | set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]] |
52 | foreach t $test_list { | |
53 | # We need to strip the ".d", but can leave the dirname. | |
54 | verbose [file rootname $t] | |
55 | run_dump_test [file rootname $t] | |
56 | } | |
57 | ||
d8045f23 NC |
58 | # We need a working compiler. (Strictly speaking this is |
59 | # not true, we could use target specific assembler files). | |
60 | if { [which $CC] == 0 } { | |
61 | verbose "IFUNC tests not run - no compiler available" | |
62 | return | |
63 | } | |
64 | ||
65 | # A procedure to check the OS/ABI field in the ELF header of a binary file. | |
66 | proc check_osabi { binary_file expected_osabi } { | |
67 | global READELF | |
68 | global READELFFLAGS | |
69 | ||
70 | catch "exec $READELF $READELFFLAGS --file-header $binary_file > readelf.out" got | |
71 | ||
72 | if ![string match "" $got] then { | |
73 | verbose "proc check_osabi: Readelf produced unexpected out processing $binary_file: $got" | |
74 | return 0 | |
75 | } | |
76 | ||
77 | if { ![regexp "\n\[ \]*OS/ABI:\[ \]*(.+)\n\[ \]*ABI" \ | |
78 | [file_contents readelf.out] nil osabi] } { | |
79 | verbose "proc check_osabi: Readelf failed to extract an ELF header from $binary_file" | |
80 | return 0 | |
81 | } | |
82 | ||
83 | if { $osabi == $expected_osabi } { | |
84 | return 1 | |
85 | } | |
86 | ||
87 | verbose "Expected OSABI: $expected_osabi, Obtained osabi: $osabi" | |
5a68afcf | 88 | |
d8045f23 NC |
89 | return 0 |
90 | } | |
91 | ||
92 | # A procedure to confirm that a file contains the IFUNC symbol. | |
93 | # Returns -1 upon error, 0 if the symbol was not found and 1 if it was found. | |
94 | proc contains_ifunc_symbol { binary_file } { | |
95 | global READELF | |
96 | global READELFFLAGS | |
97 | ||
98 | catch "exec $READELF $READELFFLAGS --symbols $binary_file > readelf.out" got | |
99 | ||
100 | if ![string match "" $got] then { | |
101 | verbose "proc contains_ifunc_symbol: Readelf produced unexpected out processing $binary_file: $got" | |
102 | return -1 | |
103 | } | |
104 | ||
105 | # Look for a line like this: | |
106 | # 58: 0000000000400600 30 IFUNC GLOBAL DEFAULT 12 library_func2 | |
4115bfc6 | 107 | # with perhaps some other info between the visibility and section |
d8045f23 | 108 | |
4115bfc6 | 109 | if { ![regexp ".*\[ \]*IFUNC\[ \]+GLOBAL\[ \]+DEFAULT .* \[UND0-9\]+\[ \]+library_func2\n" [file_contents readelf.out]] } { |
d8045f23 NC |
110 | return 0 |
111 | } | |
112 | ||
113 | return 1 | |
114 | } | |
115 | ||
cbe950e9 L |
116 | # A procedure to confirm that a file contains the R_*_IRELATIVE |
117 | # relocation. | |
118 | # Returns -1 upon error, 0 if the relocation was not found and 1 if | |
119 | # it was found. | |
120 | proc contains_irelative_reloc { binary_file } { | |
121 | global READELF | |
122 | global READELFFLAGS | |
123 | ||
124 | catch "exec $READELF $READELFFLAGS --relocs --wide $binary_file > readelf.out" got | |
125 | ||
126 | if ![string match "" $got] then { | |
127 | verbose "proc contains_irelative_reloc: Readelf produced unexpected out processing $binary_file: $got" | |
128 | return -1 | |
129 | } | |
130 | ||
131 | # Look for a line like this: | |
132 | # 0000000000600ab0 0000000000000025 R_X86_64_IRELATIVE 000000000040061c | |
133 | # 080496f4 0000002a R_386_IRELATIVE | |
134 | ||
135 | ||
425621e7 | 136 | if { ![regexp "\[0-9a-f\]+\[ \]+\[0-9a-f\]+\[ \]+R_\[_0-9A-Z\]+_IREL(|ATIVE)\[ \]*\[0-9a-f\]*\n" [file_contents readelf.out]] } { |
cbe950e9 L |
137 | return 0 |
138 | } | |
139 | ||
140 | return 1 | |
141 | } | |
142 | ||
d8045f23 NC |
143 | # A procedure to confirm that a file contains a relocation that references an IFUNC symbol. |
144 | # Returns -1 upon error, 0 if the reloc was not found and 1 if it was found. | |
145 | proc contains_ifunc_reloc { binary_file } { | |
146 | global READELF | |
147 | global READELFFLAGS | |
148 | ||
149 | catch "exec $READELF $READELFFLAGS --relocs $binary_file > readelf.out" got | |
150 | ||
151 | if ![string match "" $got] then { | |
152 | verbose "proc contains_ifunc_reloc: Readelf produced unexpected out processing $binary_file: $got" | |
153 | return -1 | |
154 | } | |
155 | ||
156 | if [string match "" [file_contents readelf.out]] then { | |
157 | verbose "No relocs found in $binary_file" | |
158 | return 0 | |
159 | } | |
160 | ||
161 | if { ![regexp "\\(\\)" [file_contents readelf.out]] } { | |
162 | return 0 | |
163 | } | |
164 | ||
165 | return 1 | |
166 | } | |
167 | ||
168 | set fails 0 | |
169 | ||
170 | # Create the object files, libraries and executables. | |
be19bd51 L |
171 | if ![ld_compile "$CC -c -fPIC" "$srcdir/$subdir/prog.c" "tmpdir/shared_prog.o"] { |
172 | fail "Could not create a PIC object file" | |
d8045f23 NC |
173 | set fails [expr $fails + 1] |
174 | } | |
640d0ed8 | 175 | if ![ld_compile "$CC -c $NOPIE_CFLAGS" "$srcdir/$subdir/prog.c" "tmpdir/static_prog.o"] { |
be19bd51 | 176 | fail "Could not create a non-PIC object file" |
d8045f23 NC |
177 | set fails [expr $fails + 1] |
178 | } | |
be19bd51 L |
179 | if ![ld_compile "$CC -c -fPIC -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/shared_ifunc.o"] { |
180 | fail "Could not create a PIC object file containing an IFUNC symbol" | |
d8045f23 NC |
181 | set fails [expr $fails + 1] |
182 | } | |
640d0ed8 | 183 | if ![ld_compile "$CC -c $NOPIE_CFLAGS -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_ifunc.o"] { |
be19bd51 | 184 | fail "Could not create a non-PIC object file containing an IFUNC symbol" |
d8045f23 NC |
185 | set fails [expr $fails + 1] |
186 | } | |
be19bd51 L |
187 | if ![ld_compile "$CC -c -DWITHOUT_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_noifunc.o"] { |
188 | fail "Could not create an ordinary non-PIC object file" | |
189 | set fails [expr $fails + 1] | |
190 | } | |
191 | if ![ld_assemble $as "$srcdir/ld-elf/empty.s" "tmpdir/empty.o"] { | |
192 | fail "Could not create an empty object file" | |
d8045f23 NC |
193 | set fails [expr $fails + 1] |
194 | } | |
2955ec4c L |
195 | if ![ld_compile "$CC -c" "$srcdir/$subdir/test-1.c" "tmpdir/test-1.o"] { |
196 | fail "Could not create test-1.o" | |
197 | set fails [expr $fails + 1] | |
198 | } | |
199 | if ![ld_compile "$CC -fPIC -c" "$srcdir/$subdir/test-2.c" "tmpdir/test-2.o"] { | |
200 | fail "Could not create test-2.o" | |
201 | set fails [expr $fails + 1] | |
202 | } | |
d8045f23 NC |
203 | |
204 | if { $fails != 0 } { | |
205 | return | |
206 | } | |
207 | ||
d9816402 | 208 | if ![ld_link $ld "tmpdir/libshared_ifunc.so" "-shared tmpdir/shared_ifunc.o"] { |
d8045f23 NC |
209 | fail "Could not create a shared library containing an IFUNC symbol" |
210 | set fails [expr $fails + 1] | |
211 | } | |
212 | if ![ar_simple_create $ar "" "tmpdir/libifunc.a" "tmpdir/static_ifunc.o"] { | |
213 | fail "Could not create a static library containing an IFUNC symbol" | |
214 | set fails [expr $fails + 1] | |
215 | } | |
216 | ||
217 | if { $fails != 0 } { | |
218 | return | |
219 | } | |
220 | ||
d9816402 | 221 | if ![ld_link $CC "tmpdir/dynamic_prog" "-Wl,--no-as-needed,-rpath=./tmpdir,-Bdynamic -Ltmpdir tmpdir/shared_prog.o -lshared_ifunc"] { |
d8045f23 NC |
222 | fail "Could not link a dynamic executable" |
223 | set fails [expr $fails + 1] | |
224 | } | |
640d0ed8 | 225 | if ![ld_link $CC "tmpdir/local_prog" "$NOPIE_LDFLAGS -Wl,--no-as-needed,-rpath=./tmpdir -Ltmpdir tmpdir/static_prog.o -lifunc"] { |
e054468f AM |
226 | fail "Could not link a dynamic executable using local ifunc" |
227 | set fails [expr $fails + 1] | |
228 | } | |
98d72909 L |
229 | if ![string match "" $STATIC_LDFLAGS] { |
230 | if ![ld_link $CC "tmpdir/static_prog" "-static -Ltmpdir tmpdir/static_prog.o -lifunc"] { | |
231 | fail "Could not link a static executable" | |
232 | set fails [expr $fails + 1] | |
233 | } | |
234 | if ![ld_link $ld "tmpdir/static_nonifunc_prog" "-static tmpdir/empty.o"] { | |
235 | fail "Could not link a non-ifunc using static executable" | |
236 | set fails [expr $fails + 1] | |
237 | } | |
d8045f23 | 238 | } |
d9816402 | 239 | if ![ld_link $CC "tmpdir/test-1" "-Wl,--no-as-needed,-rpath=./tmpdir tmpdir/test-1.o tmpdir/libshared_ifunc.so"] { |
2955ec4c L |
240 | fail "Could not link test-1" |
241 | set fails [expr $fails + 1] | |
242 | } | |
d9816402 | 243 | if ![ld_link $ld "tmpdir/libtest-2.so" "-shared tmpdir/test-2.o"] { |
2955ec4c L |
244 | fail "Could not link libtest-2.so" |
245 | set fails [expr $fails + 1] | |
246 | } | |
e492d2f8 L |
247 | if ![ld_link $ld "tmpdir/libtest-2-now.so" "-shared -z now tmpdir/test-2.o"] { |
248 | fail "Could not link libtest-2-now.so" | |
249 | set fails [expr $fails + 1] | |
250 | } | |
d8045f23 NC |
251 | |
252 | if { $fails == 0 } { | |
253 | pass "Building ifunc binaries" | |
254 | set fails 0 | |
255 | } else { | |
256 | return | |
257 | } | |
258 | ||
cbe950e9 | 259 | # Check the executables and shared libraries |
d8045f23 | 260 | # |
cbe950e9 | 261 | # The linked ifunc using executables and the shared library containing |
9c55345c | 262 | # ifunc should have an OSABI field of GNU. The linked non-ifunc using |
cbe950e9 | 263 | # executable should have an OSABI field of NONE (aka System V). |
d8045f23 | 264 | |
d9816402 AM |
265 | case $target_triplet in { |
266 | { hppa*-*-linux* } { set expected_none {UNIX - GNU} } | |
267 | default { set expected_none {UNIX - System V} } | |
268 | } | |
269 | ||
9c55345c TS |
270 | if {! [check_osabi tmpdir/libshared_ifunc.so {UNIX - GNU}]} { |
271 | fail "Shared libraries containing ifunc does not have an OS/ABI field of GNU" | |
cbe950e9 L |
272 | set fails [expr $fails + 1] |
273 | } | |
9c55345c TS |
274 | if {! [check_osabi tmpdir/local_prog {UNIX - GNU}]} { |
275 | fail "Local ifunc-using executable does not have an OS/ABI field of GNU" | |
e054468f AM |
276 | set fails [expr $fails + 1] |
277 | } | |
98d72909 L |
278 | if { ![string match "" $STATIC_LDFLAGS] \ |
279 | && ![check_osabi tmpdir/static_prog {UNIX - GNU}]} { | |
9c55345c | 280 | fail "Static ifunc-using executable does not have an OS/ABI field of GNU" |
d8045f23 NC |
281 | set fails [expr $fails + 1] |
282 | } | |
d9816402 AM |
283 | if {! [check_osabi tmpdir/dynamic_prog $expected_none]} { |
284 | fail "Dynamic ifunc-using executable does not have an OS/ABI field of $expected_none" | |
d8045f23 NC |
285 | set fails [expr $fails + 1] |
286 | } | |
d9816402 AM |
287 | if {! [check_osabi tmpdir/static_nonifunc_prog $expected_none]} { |
288 | fail "Static non-ifunc-using executable does not have an OS/ABI field of $expected_none" | |
be19bd51 L |
289 | set fails [expr $fails + 1] |
290 | } | |
d8045f23 | 291 | |
cbe950e9 L |
292 | # The linked ifunc using executables and the shared library containing |
293 | # ifunc should contain an IFUNC symbol. The non-ifunc using executable | |
294 | # should not. | |
d8045f23 | 295 | |
cbe950e9 L |
296 | if {[contains_ifunc_symbol tmpdir/libshared_ifunc.so] != 1} { |
297 | fail "Shared libraries containing ifunc does not contain an IFUNC symbol" | |
298 | set fails [expr $fails + 1] | |
299 | } | |
e054468f AM |
300 | if {[contains_ifunc_symbol tmpdir/local_prog] != 1} { |
301 | fail "Local ifunc-using executable does not contain an IFUNC symbol" | |
302 | set fails [expr $fails + 1] | |
303 | } | |
98d72909 L |
304 | if { ![string match "" $STATIC_LDFLAGS] \ |
305 | && [contains_ifunc_symbol tmpdir/static_prog] != 1} { | |
d8045f23 NC |
306 | fail "Static ifunc-using executable does not contain an IFUNC symbol" |
307 | set fails [expr $fails + 1] | |
308 | } | |
2955ec4c L |
309 | if {[contains_ifunc_symbol tmpdir/dynamic_prog] != 0} { |
310 | fail "Dynamic ifunc-using executable contains an IFUNC symbol" | |
d8045f23 NC |
311 | set fails [expr $fails + 1] |
312 | } | |
313 | if {[contains_ifunc_symbol tmpdir/static_nonifunc_prog] != 0} { | |
314 | fail "Static non-ifunc-using executable contains an IFUNC symbol" | |
315 | set fails [expr $fails + 1] | |
316 | } | |
2955ec4c L |
317 | if {[contains_ifunc_symbol tmpdir/test-1] != 0} { |
318 | fail "test-1 contains IFUNC symbols" | |
319 | set fails [expr $fails + 1] | |
320 | } | |
321 | if {[contains_ifunc_symbol tmpdir/libtest-2.so] != 0} { | |
322 | fail "libtest-2.so contains IFUNC symbols" | |
323 | set fails [expr $fails + 1] | |
324 | } | |
e492d2f8 L |
325 | if {[contains_ifunc_symbol tmpdir/libtest-2-now.so] != 0} { |
326 | fail "libtest-2-now.so contains IFUNC symbols" | |
327 | set fails [expr $fails + 1] | |
328 | } | |
d8045f23 | 329 | |
cbe950e9 L |
330 | # The linked ifunc using executables and shared libraries should contain |
331 | # a dynamic reloc referencing the IFUNC symbol. (Even the static | |
332 | # executable which should have a dynamic section created for it). The | |
333 | # non-ifunc using executable should not. | |
d8045f23 | 334 | |
cbe950e9 L |
335 | if {[contains_irelative_reloc tmpdir/libshared_ifunc.so] != 1} { |
336 | fail "ifunc-using shared library does not contain R_*_IRELATIVE relocation" | |
337 | set fails [expr $fails + 1] | |
338 | } | |
e054468f AM |
339 | if {[contains_irelative_reloc tmpdir/local_prog] != 1} { |
340 | fail "Local ifunc-using executable does not contain R_*_IRELATIVE relocation" | |
341 | set fails [expr $fails + 1] | |
342 | } | |
98d72909 L |
343 | if { ![string match "" $STATIC_LDFLAGS] \ |
344 | && [contains_irelative_reloc tmpdir/static_prog] != 1} { | |
cbe950e9 | 345 | fail "Static ifunc-using executable does not contain R_*_IRELATIVE relocation" |
d8045f23 NC |
346 | set fails [expr $fails + 1] |
347 | } | |
2955ec4c L |
348 | if {[contains_ifunc_reloc tmpdir/dynamic_prog] != 0} { |
349 | fail "Dynamic ifunc-using executable contains a reloc against an IFUNC symbol" | |
d8045f23 NC |
350 | set fails [expr $fails + 1] |
351 | } | |
352 | if {[contains_ifunc_reloc tmpdir/static_nonifunc_prog] == 1} { | |
353 | fail "Static non-ifunc-using executable contains a reloc against an IFUNC symbol!" | |
354 | set fails [expr $fails + 1] | |
355 | } | |
356 | ||
357 | if { $fails == 0 } { | |
358 | pass "Checking ifunc binaries" | |
359 | } | |
360 | ||
4584ec12 L |
361 | run_cc_link_tests [list \ |
362 | [list \ | |
363 | "Build libpr16467a.so" \ | |
364 | "-shared -Wl,--version-script=pr16467a.map" \ | |
365 | "-fPIC" \ | |
366 | { pr16467a.c } \ | |
367 | {} \ | |
368 | "libpr16467a.so" \ | |
369 | ] \ | |
370 | [list \ | |
371 | "Build libpr16467b.a" \ | |
372 | "" \ | |
373 | "-fPIC" \ | |
374 | { pr16467b.c } \ | |
375 | {} \ | |
376 | "libpr16467b.a" \ | |
377 | ] \ | |
378 | [list \ | |
379 | "Build libpr16467b.so" \ | |
380 | "-shared tmpdir/pr16467b.o tmpdir/libpr16467a.so \ | |
381 | -Wl,--version-script=pr16467b.map" \ | |
382 | "-fPIC" \ | |
383 | { dummy.c } \ | |
384 | {} \ | |
385 | "libpr16467b.so" \ | |
386 | ] \ | |
387 | [list \ | |
388 | "Build libpr16467c.a" \ | |
389 | "" \ | |
390 | "" \ | |
391 | { pr16467c.c } \ | |
392 | {} \ | |
393 | "libpr16467c.a" \ | |
394 | ] \ | |
d6f48aed L |
395 | [list \ |
396 | "Build libpr16467an.so" \ | |
397 | "-shared -Wl,-z,now -Wl,--version-script=pr16467a.map" \ | |
398 | "-fPIC" \ | |
399 | { pr16467a.c } \ | |
400 | {} \ | |
401 | "libpr16467an.so" \ | |
402 | ] \ | |
403 | [list \ | |
404 | "Build libpr16467bn.so" \ | |
405 | "-shared tmpdir/pr16467b.o tmpdir/libpr16467an.so \ | |
406 | -Wl,--version-script=pr16467b.map" \ | |
407 | "-fPIC" \ | |
408 | { dummy.c } \ | |
409 | {} \ | |
410 | "libpr16467bn.so" \ | |
411 | ] \ | |
4584ec12 L |
412 | ] |
413 | ||
982c6f26 | 414 | run_ld_link_exec_tests [list \ |
37a9e49a L |
415 | [list \ |
416 | "Common symbol override ifunc test 1a" \ | |
417 | "-static" \ | |
418 | "" \ | |
419 | { ifunc-common-1a.c ifunc-common-1b.c } \ | |
420 | "ifunc-common-1a" \ | |
421 | "ifunc-common-1.out" \ | |
422 | "-g" \ | |
423 | ] \ | |
424 | [list \ | |
425 | "Common symbol override ifunc test 1b" \ | |
426 | "-static" \ | |
427 | "" \ | |
428 | { ifunc-common-1b.c ifunc-common-1a.c } \ | |
429 | "ifunc-common-1b" \ | |
430 | "ifunc-common-1.out" \ | |
431 | "-g" \ | |
432 | ] \ | |
c22ee0ad L |
433 | ] |
434 | ||
c22ee0ad L |
435 | # Run-time tests which require working IFUNC support. |
436 | if { ![check_ifunc_available] } { | |
437 | return | |
438 | } | |
439 | ||
5f7cbeec L |
440 | run_cc_link_tests [list \ |
441 | [list \ | |
442 | "Build ifunc-lib.so" \ | |
443 | "-shared" \ | |
444 | "-fPIC" \ | |
445 | { ifunc-lib.c } \ | |
446 | {} \ | |
447 | "libifunc-lib.so" \ | |
448 | ] \ | |
d6f48aed L |
449 | [list \ |
450 | "Build ifunc-libn.so" \ | |
451 | "-shared -Wl,-z,now" \ | |
452 | "-fPIC" \ | |
453 | { ifunc-lib.c } \ | |
454 | {} \ | |
455 | "libifunc-libn.so" \ | |
456 | ] \ | |
5f7cbeec L |
457 | ] |
458 | ||
982c6f26 | 459 | run_ld_link_exec_tests [list \ |
4584ec12 L |
460 | [list \ |
461 | "Run pr16467" \ | |
d9816402 | 462 | "-Wl,--no-as-needed tmpdir/pr16467c.o tmpdir/libpr16467b.so tmpdir/libpr16467a.so" \ |
4584ec12 L |
463 | "" \ |
464 | { dummy.c } \ | |
465 | "pr16467" \ | |
466 | "pr16467.out" \ | |
467 | "" \ | |
468 | ] \ | |
d6f48aed L |
469 | [list \ |
470 | "Run pr16467 (-z now)" \ | |
471 | "-Wl,-z,now -Wl,--no-as-needed tmpdir/pr16467c.o tmpdir/libpr16467bn.so tmpdir/libpr16467an.so" \ | |
472 | "" \ | |
473 | { dummy.c } \ | |
474 | "pr16467n" \ | |
475 | "pr16467.out" \ | |
476 | "" \ | |
477 | ] \ | |
5f7cbeec L |
478 | [list \ |
479 | "Run ifunc-main" \ | |
d9816402 | 480 | "-Wl,--no-as-needed tmpdir/libifunc-lib.so" \ |
5f7cbeec L |
481 | "" \ |
482 | { ifunc-main.c } \ | |
483 | "ifunc-main" \ | |
484 | "ifunc-main.out" \ | |
485 | ] \ | |
486 | [list \ | |
487 | "Run ifunc-main with -fpic" \ | |
d9816402 | 488 | "-Wl,--no-as-needed tmpdir/libifunc-lib.so" \ |
5f7cbeec L |
489 | "" \ |
490 | { ifunc-main.c } \ | |
491 | "ifunc-main" \ | |
492 | "ifunc-main.out" \ | |
493 | "-fpic" \ | |
494 | ] \ | |
d6f48aed L |
495 | [list \ |
496 | "Run ifunc-main (-z now)" \ | |
497 | "-Wl,-z,now -Wl,--no-as-needed tmpdir/libifunc-libn.so" \ | |
498 | "" \ | |
499 | { ifunc-main.c } \ | |
500 | "ifunc-mainn" \ | |
501 | "ifunc-main.out" \ | |
502 | ] \ | |
503 | [list \ | |
504 | "Run ifunc-main with PIE (-z now)" \ | |
505 | "-pie -Wl,-z,now -Wl,--no-as-needed tmpdir/libifunc-libn.so" \ | |
506 | "" \ | |
507 | { ifunc-main.c } \ | |
508 | "ifunc-mainpn" \ | |
509 | "ifunc-main.out" \ | |
510 | "-fpie" \ | |
511 | ] \ | |
37a9e49a | 512 | ] |
97dc35c8 L |
513 | |
514 | # Run-time tests which require working ifunc attribute support. | |
515 | if { ![check_ifunc_attribute_available] } { | |
516 | return | |
517 | } | |
518 | ||
519 | run_cc_link_tests [list \ | |
205ac185 L |
520 | [list \ |
521 | "Build pr18808a.o" \ | |
522 | "" \ | |
523 | "" \ | |
524 | { pr18808a.c } \ | |
525 | "" \ | |
526 | "" \ | |
527 | ] \ | |
97dc35c8 L |
528 | [list \ |
529 | "Build libpr18808.so" \ | |
530 | "-shared" \ | |
531 | "-fPIC -O2 -g" \ | |
532 | { pr18808b.c } \ | |
533 | {} \ | |
534 | "libpr18808.so" \ | |
535 | ] \ | |
d6f48aed L |
536 | [list \ |
537 | "Build libpr18808n.so" \ | |
538 | "-shared -Wl,-z,now" \ | |
539 | "-fPIC -O2 -g" \ | |
540 | { pr18808b.c } \ | |
541 | {} \ | |
542 | "libpr18808n.so" \ | |
543 | ] \ | |
205ac185 L |
544 | [list \ |
545 | "Build pr18841a.o" \ | |
546 | "" \ | |
547 | "" \ | |
548 | { pr18841a.c } \ | |
549 | "" \ | |
550 | "" \ | |
551 | ] \ | |
cae1fbbb | 552 | [list \ |
4e1626f5 | 553 | "Build libpr18841b.so" \ |
cae1fbbb L |
554 | "-shared" \ |
555 | "-fPIC -O0 -g" \ | |
556 | { pr18841b.c } \ | |
557 | {} \ | |
4e1626f5 L |
558 | "libpr18841b.so" \ |
559 | ] \ | |
560 | [list \ | |
561 | "Build libpr18841c.so" \ | |
562 | "-shared" \ | |
563 | "-fPIC -O0 -g" \ | |
564 | { pr18841c.c } \ | |
565 | {} \ | |
566 | "libpr18841c.so" \ | |
cae1fbbb | 567 | ] \ |
d6f48aed L |
568 | [list \ |
569 | "Build libpr18841bn.so" \ | |
570 | "-Wl,-z,now -shared" \ | |
571 | "-fPIC -O0 -g" \ | |
572 | { pr18841b.c } \ | |
573 | {} \ | |
574 | "libpr18841bn.so" \ | |
575 | ] \ | |
576 | [list \ | |
577 | "Build libpr18841cn.so" \ | |
578 | "-shared" \ | |
579 | "-Wl,-z,now -fPIC -O0 -g" \ | |
580 | { pr18841c.c } \ | |
581 | {} \ | |
582 | "libpr18841cn.so" \ | |
583 | ] \ | |
4ec09950 L |
584 | [list \ |
585 | "Build libpr23169a.so" \ | |
586 | "-shared" \ | |
587 | "-fPIC -O2 -g" \ | |
588 | { pr23169a.c } \ | |
589 | {} \ | |
590 | "libpr23169a.so" \ | |
591 | ] \ | |
592 | [list \ | |
593 | "Build libpr23169b.so" \ | |
594 | "-shared -Wl,-z,now" \ | |
595 | "-fPIC -O2 -g" \ | |
596 | { pr23169a.c } \ | |
597 | {} \ | |
598 | "libpr23169b.so" \ | |
599 | ] \ | |
600 | [list \ | |
601 | "Build pr23169a" \ | |
602 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
603 | "$NOPIE_CFLAGS -O2 -g" \ | |
604 | { pr23169b.c pr23169c.c } \ | |
605 | {{readelf {--dyn-syms} pr23169a.rd} \ | |
606 | {readelf {-r -W} pr23169b.rd}} \ | |
607 | "pr23169a" \ | |
608 | ] \ | |
609 | [list \ | |
610 | "Build pr23169b" \ | |
611 | "-pie -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
612 | "-fPIE -O2 -g" \ | |
613 | { pr23169b.c pr23169c.c } \ | |
614 | {{readelf {--dyn-syms} pr23169c.rd} \ | |
615 | {readelf {-r -W} pr23169b.rd}} \ | |
616 | "pr23169b" \ | |
617 | ] \ | |
618 | [list \ | |
619 | "Build pr23169c" \ | |
620 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
621 | "-fPIE -O2 -g" \ | |
622 | { pr23169b.c pr23169c.c } \ | |
623 | {{readelf {--dyn-syms} pr23169c.rd} \ | |
624 | {readelf {-r -W} pr23169b.rd}} \ | |
625 | "pr23169c" \ | |
626 | ] \ | |
627 | [list \ | |
628 | "Build pr23169d" \ | |
629 | "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
630 | "$NOPIE_CFLAGS -O2 -g" \ | |
631 | { pr23169b.c pr23169c.c } \ | |
632 | {{readelf {--dyn-syms} pr23169a.rd} \ | |
633 | {readelf {-r -W} pr23169b.rd}} \ | |
634 | "pr23169d" \ | |
635 | ] \ | |
636 | [list \ | |
637 | "Build pr23169e" \ | |
638 | "-pie -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
639 | "-fPIE -O2 -g" \ | |
640 | { pr23169b.c pr23169c.c } \ | |
641 | {{readelf {--dyn-syms} pr23169c.rd} \ | |
642 | {readelf {-r -W} pr23169b.rd}} \ | |
643 | "pr23169e" \ | |
644 | ] \ | |
645 | [list \ | |
646 | "Build pr23169f" \ | |
647 | "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
648 | "-fPIE -O2 -g" \ | |
649 | { pr23169b.c pr23169c.c } \ | |
650 | {{readelf {--dyn-syms} pr23169c.rd} \ | |
651 | {readelf {-r -W} pr23169b.rd}} \ | |
652 | "pr23169f" \ | |
653 | ] \ | |
97dc35c8 L |
654 | ] |
655 | ||
982c6f26 | 656 | run_ld_link_exec_tests [list \ |
97dc35c8 L |
657 | [list \ |
658 | "Run pr18808" \ | |
d9816402 | 659 | "-Wl,--no-as-needed tmpdir/pr18808a.o tmpdir/libpr18808.so" \ |
97dc35c8 | 660 | "" \ |
205ac185 | 661 | { dummy.c } \ |
97dc35c8 L |
662 | "pr18808" \ |
663 | "pr18808.out" \ | |
664 | ] \ | |
d6f48aed L |
665 | [list \ |
666 | "Run pr18808 (-z now)" \ | |
667 | "-Wl,-z,now -Wl,--no-as-needed tmpdir/pr18808a.o tmpdir/libpr18808n.so" \ | |
668 | "" \ | |
669 | { dummy.c } \ | |
670 | "pr18808n" \ | |
671 | "pr18808.out" \ | |
672 | ] \ | |
cae1fbbb | 673 | [list \ |
4e1626f5 | 674 | "Run pr18841 with libpr18841b.so" \ |
d9816402 | 675 | "-Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841b.so" \ |
4e1626f5 | 676 | "" \ |
205ac185 | 677 | { dummy.c } \ |
4e1626f5 L |
678 | "pr18841b" \ |
679 | "pr18841.out" \ | |
680 | ] \ | |
681 | [list \ | |
682 | "Run pr18841 with libpr18841c.so" \ | |
d9816402 | 683 | "-Wl,--as-needed tmpdir/pr18841a.o tmpdir/libpr18841c.so" \ |
cae1fbbb | 684 | "" \ |
205ac185 | 685 | { dummy.c } \ |
4e1626f5 | 686 | "pr18841c" \ |
cae1fbbb L |
687 | "pr18841.out" \ |
688 | ] \ | |
d6f48aed L |
689 | [list \ |
690 | "Run pr18841 with libpr18841bn.so (-z now)" \ | |
691 | "-Wl,-z,now -Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841bn.so" \ | |
692 | "" \ | |
693 | { dummy.c } \ | |
694 | "pr18841bn" \ | |
695 | "pr18841.out" \ | |
696 | ] \ | |
697 | [list \ | |
698 | "Run pr18841 with libpr18841cn.so (-z now)" \ | |
699 | "-Wl,-z,now -Wl,--as-needed tmpdir/pr18841a.o tmpdir/libpr18841cn.so" \ | |
700 | "" \ | |
701 | { dummy.c } \ | |
702 | "pr18841cn" \ | |
703 | "pr18841.out" \ | |
704 | ] \ | |
2822b09f AM |
705 | ] |
706 | ||
707 | # The pr23169 testcase is not valid. In general, you can't call ifunc | |
708 | # resolvers in another binary unless you know what you're doing. In | |
709 | # particular you must ensure that the binary containing the resolver | |
710 | # is relocated before the resolver is called (for example, the | |
711 | # function addresses returned by the resolver may be loaded from the | |
712 | # GOT). | |
713 | # That does not happen for the pr23169 testcase where the resolver is | |
714 | # in the executable (which is relocated last by ld.so). | |
715 | if { [isnative] | |
716 | && ![istarget "powerpc-*-*"] } { | |
717 | run_ld_link_exec_tests [list \ | |
4ec09950 L |
718 | [list \ |
719 | "Run pr23169a" \ | |
720 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
721 | "" \ | |
722 | { pr23169b.c pr23169c.c } \ | |
723 | "pr23169a" \ | |
724 | "pass.out" \ | |
725 | "$NOPIE_CFLAGS -O2 -g" \ | |
726 | ] \ | |
727 | [list \ | |
728 | "Run pr23169b" \ | |
729 | "-pie -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
730 | "" \ | |
731 | { pr23169b.c pr23169c.c } \ | |
732 | "pr23169b" \ | |
733 | "pass.out" \ | |
734 | "-fPIE -O2 -g" \ | |
735 | ] \ | |
736 | [list \ | |
737 | "Run pr23169c" \ | |
738 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
739 | "" \ | |
740 | { pr23169b.c pr23169c.c } \ | |
741 | "pr23169c" \ | |
742 | "pass.out" \ | |
743 | "-fPIE -O2 -g" \ | |
744 | ] \ | |
745 | [list \ | |
746 | "Run pr23169d" \ | |
747 | "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
748 | "" \ | |
749 | { pr23169b.c pr23169c.c } \ | |
750 | "pr23169d" \ | |
751 | "pass.out" \ | |
752 | "$NOPIE_CFLAGS -O2 -g" \ | |
753 | ] \ | |
754 | [list \ | |
755 | "Run pr23169e" \ | |
756 | "-pie -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
757 | "" \ | |
758 | { pr23169b.c pr23169c.c } \ | |
759 | "pr23169e" \ | |
760 | "pass.out" \ | |
761 | "-fPIE -O2 -g" \ | |
762 | ] \ | |
763 | [list \ | |
764 | "Run pr23169f" \ | |
765 | "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
766 | "" \ | |
767 | { pr23169b.c pr23169c.c } \ | |
768 | "pr23169f" \ | |
769 | "pass.out" \ | |
770 | "-fPIE -O2 -g" \ | |
771 | ] \ | |
2822b09f | 772 | ]} |