Commit | Line | Data |
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d8045f23 NC |
1 | # Expect script for linker support of IFUNC symbols and relocations. |
2 | # | |
b3adc24a | 3 | # Copyright (C) 2009-2020 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 | ||
bb4e012c | 26 | if { ![is_elf_format] || ![supports_gnu_osabi] |
2d0a923c | 27 | || [istarget alpha-*-*] |
bb4e012c AM |
28 | || [istarget arc*-*-*] |
29 | || [istarget am33*-*-*] | |
30 | || [istarget bfin-*-*] | |
31 | || [istarget cris*-*-*] | |
32 | || [istarget frv-*-*] | |
33 | || [istarget lm32-*-*] | |
34 | || [istarget m32r-*-*] | |
35 | || [istarget m68k-*-*] | |
36 | || [istarget microblaze-*-*] | |
37 | || [istarget mips*-*-*] | |
38 | || [istarget mn10300-*-*] | |
39 | || [istarget nds32*-*-*] | |
40 | || [istarget nios2-*-*] | |
41 | || [istarget or1k-*-*] | |
42 | || [istarget riscv*-*-*] | |
43 | || [istarget score*-*-*] | |
44 | || [istarget sh*-*-*] | |
45 | || [istarget tic6x-*-*] | |
46 | || [istarget tile*-*-*] | |
47 | || [istarget vax-*-*] } { | |
d8045f23 NC |
48 | verbose "IFUNC tests not run - target does not support IFUNC" |
49 | return | |
50 | } | |
51 | ||
47523653 AM |
52 | # Skip targets where -shared is not supported |
53 | ||
54 | if ![check_shared_lib_support] { | |
55 | return | |
56 | } | |
57 | ||
e9d644e8 L |
58 | set saved_ASFLAGS "$ASFLAGS" |
59 | if { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } { | |
60 | set ASFLAGS "$ASFLAGS -mx86-used-note=no" | |
61 | } | |
62 | ||
f657f8c4 NC |
63 | # This test does not need a compiler... |
64 | run_dump_test "ifuncmod5" | |
65 | ||
ac98f9e2 L |
66 | set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]] |
67 | foreach t $test_list { | |
68 | # We need to strip the ".d", but can leave the dirname. | |
69 | verbose [file rootname $t] | |
70 | run_dump_test [file rootname $t] | |
71 | } | |
72 | ||
d8045f23 NC |
73 | # We need a working compiler. (Strictly speaking this is |
74 | # not true, we could use target specific assembler files). | |
44ed8092 | 75 | if { ![check_compiler_available] } { |
d8045f23 NC |
76 | verbose "IFUNC tests not run - no compiler available" |
77 | return | |
78 | } | |
79 | ||
80 | # A procedure to check the OS/ABI field in the ELF header of a binary file. | |
81 | proc check_osabi { binary_file expected_osabi } { | |
82 | global READELF | |
83 | global READELFFLAGS | |
84 | ||
85 | catch "exec $READELF $READELFFLAGS --file-header $binary_file > readelf.out" got | |
86 | ||
87 | if ![string match "" $got] then { | |
88 | verbose "proc check_osabi: Readelf produced unexpected out processing $binary_file: $got" | |
89 | return 0 | |
90 | } | |
91 | ||
92 | if { ![regexp "\n\[ \]*OS/ABI:\[ \]*(.+)\n\[ \]*ABI" \ | |
93 | [file_contents readelf.out] nil osabi] } { | |
94 | verbose "proc check_osabi: Readelf failed to extract an ELF header from $binary_file" | |
95 | return 0 | |
96 | } | |
97 | ||
98 | if { $osabi == $expected_osabi } { | |
99 | return 1 | |
100 | } | |
101 | ||
102 | verbose "Expected OSABI: $expected_osabi, Obtained osabi: $osabi" | |
5a68afcf | 103 | |
d8045f23 NC |
104 | return 0 |
105 | } | |
106 | ||
107 | # A procedure to confirm that a file contains the IFUNC symbol. | |
108 | # Returns -1 upon error, 0 if the symbol was not found and 1 if it was found. | |
109 | proc contains_ifunc_symbol { binary_file } { | |
110 | global READELF | |
111 | global READELFFLAGS | |
112 | ||
113 | catch "exec $READELF $READELFFLAGS --symbols $binary_file > readelf.out" got | |
114 | ||
115 | if ![string match "" $got] then { | |
116 | verbose "proc contains_ifunc_symbol: Readelf produced unexpected out processing $binary_file: $got" | |
117 | return -1 | |
118 | } | |
119 | ||
120 | # Look for a line like this: | |
121 | # 58: 0000000000400600 30 IFUNC GLOBAL DEFAULT 12 library_func2 | |
4115bfc6 | 122 | # with perhaps some other info between the visibility and section |
d8045f23 | 123 | |
4115bfc6 | 124 | if { ![regexp ".*\[ \]*IFUNC\[ \]+GLOBAL\[ \]+DEFAULT .* \[UND0-9\]+\[ \]+library_func2\n" [file_contents readelf.out]] } { |
d8045f23 NC |
125 | return 0 |
126 | } | |
127 | ||
128 | return 1 | |
129 | } | |
130 | ||
cbe950e9 L |
131 | # A procedure to confirm that a file contains the R_*_IRELATIVE |
132 | # relocation. | |
133 | # Returns -1 upon error, 0 if the relocation was not found and 1 if | |
134 | # it was found. | |
135 | proc contains_irelative_reloc { binary_file } { | |
136 | global READELF | |
137 | global READELFFLAGS | |
138 | ||
139 | catch "exec $READELF $READELFFLAGS --relocs --wide $binary_file > readelf.out" got | |
140 | ||
141 | if ![string match "" $got] then { | |
142 | verbose "proc contains_irelative_reloc: Readelf produced unexpected out processing $binary_file: $got" | |
143 | return -1 | |
144 | } | |
145 | ||
146 | # Look for a line like this: | |
147 | # 0000000000600ab0 0000000000000025 R_X86_64_IRELATIVE 000000000040061c | |
148 | # 080496f4 0000002a R_386_IRELATIVE | |
149 | ||
150 | ||
bb4e012c | 151 | if { ![regexp "\[0-9a-f\]+\[ \]+\[0-9a-f\]+\[ \]+R_(\[_0-9A-Z\]+_IREL(|ATIVE)|PARISC_IPLT)\[ \]*\[0-9a-f\]*\n" [file_contents readelf.out]] } { |
cbe950e9 L |
152 | return 0 |
153 | } | |
154 | ||
155 | return 1 | |
156 | } | |
157 | ||
d8045f23 NC |
158 | # A procedure to confirm that a file contains a relocation that references an IFUNC symbol. |
159 | # Returns -1 upon error, 0 if the reloc was not found and 1 if it was found. | |
160 | proc contains_ifunc_reloc { binary_file } { | |
161 | global READELF | |
162 | global READELFFLAGS | |
163 | ||
164 | catch "exec $READELF $READELFFLAGS --relocs $binary_file > readelf.out" got | |
165 | ||
166 | if ![string match "" $got] then { | |
167 | verbose "proc contains_ifunc_reloc: Readelf produced unexpected out processing $binary_file: $got" | |
168 | return -1 | |
169 | } | |
170 | ||
171 | if [string match "" [file_contents readelf.out]] then { | |
172 | verbose "No relocs found in $binary_file" | |
173 | return 0 | |
174 | } | |
175 | ||
176 | if { ![regexp "\\(\\)" [file_contents readelf.out]] } { | |
177 | return 0 | |
178 | } | |
179 | ||
180 | return 1 | |
181 | } | |
182 | ||
183 | set fails 0 | |
184 | ||
e6a6c767 L |
185 | # Disable LTO for these tests. |
186 | set cc_cmd "$CC" | |
187 | if {[check_lto_available]} { | |
188 | append cc_cmd " -fno-lto" | |
189 | } | |
190 | ||
d8045f23 | 191 | # Create the object files, libraries and executables. |
e6a6c767 | 192 | if ![ld_compile "$cc_cmd -c -fPIC" "$srcdir/$subdir/prog.c" "tmpdir/shared_prog.o"] { |
be19bd51 | 193 | fail "Could not create a PIC object file" |
d8045f23 NC |
194 | set fails [expr $fails + 1] |
195 | } | |
e6a6c767 | 196 | if ![ld_compile "$cc_cmd -c $NOPIE_CFLAGS" "$srcdir/$subdir/prog.c" "tmpdir/static_prog.o"] { |
be19bd51 | 197 | fail "Could not create a non-PIC object file" |
d8045f23 NC |
198 | set fails [expr $fails + 1] |
199 | } | |
e6a6c767 | 200 | if ![ld_compile "$cc_cmd -c -fPIC -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/shared_ifunc.o"] { |
be19bd51 | 201 | fail "Could not create a PIC object file containing an IFUNC symbol" |
d8045f23 NC |
202 | set fails [expr $fails + 1] |
203 | } | |
e6a6c767 | 204 | if ![ld_compile "$cc_cmd -c $NOPIE_CFLAGS -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_ifunc.o"] { |
be19bd51 | 205 | fail "Could not create a non-PIC object file containing an IFUNC symbol" |
d8045f23 NC |
206 | set fails [expr $fails + 1] |
207 | } | |
e6a6c767 | 208 | if ![ld_compile "$cc_cmd -c -DWITHOUT_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_noifunc.o"] { |
be19bd51 L |
209 | fail "Could not create an ordinary non-PIC object file" |
210 | set fails [expr $fails + 1] | |
211 | } | |
212 | if ![ld_assemble $as "$srcdir/ld-elf/empty.s" "tmpdir/empty.o"] { | |
213 | fail "Could not create an empty object file" | |
d8045f23 NC |
214 | set fails [expr $fails + 1] |
215 | } | |
e6a6c767 | 216 | if ![ld_compile "$cc_cmd -c" "$srcdir/$subdir/test-1.c" "tmpdir/test-1.o"] { |
2955ec4c L |
217 | fail "Could not create test-1.o" |
218 | set fails [expr $fails + 1] | |
219 | } | |
e6a6c767 | 220 | if ![ld_compile "$cc_cmd -fPIC -c" "$srcdir/$subdir/test-2.c" "tmpdir/test-2.o"] { |
2955ec4c L |
221 | fail "Could not create test-2.o" |
222 | set fails [expr $fails + 1] | |
223 | } | |
d8045f23 NC |
224 | |
225 | if { $fails != 0 } { | |
226 | return | |
227 | } | |
228 | ||
d9816402 | 229 | if ![ld_link $ld "tmpdir/libshared_ifunc.so" "-shared tmpdir/shared_ifunc.o"] { |
d8045f23 NC |
230 | fail "Could not create a shared library containing an IFUNC symbol" |
231 | set fails [expr $fails + 1] | |
232 | } | |
233 | if ![ar_simple_create $ar "" "tmpdir/libifunc.a" "tmpdir/static_ifunc.o"] { | |
234 | fail "Could not create a static library containing an IFUNC symbol" | |
235 | set fails [expr $fails + 1] | |
236 | } | |
237 | ||
238 | if { $fails != 0 } { | |
239 | return | |
240 | } | |
241 | ||
d9816402 | 242 | if ![ld_link $CC "tmpdir/dynamic_prog" "-Wl,--no-as-needed,-rpath=./tmpdir,-Bdynamic -Ltmpdir tmpdir/shared_prog.o -lshared_ifunc"] { |
d8045f23 NC |
243 | fail "Could not link a dynamic executable" |
244 | set fails [expr $fails + 1] | |
245 | } | |
640d0ed8 | 246 | if ![ld_link $CC "tmpdir/local_prog" "$NOPIE_LDFLAGS -Wl,--no-as-needed,-rpath=./tmpdir -Ltmpdir tmpdir/static_prog.o -lifunc"] { |
e054468f AM |
247 | fail "Could not link a dynamic executable using local ifunc" |
248 | set fails [expr $fails + 1] | |
249 | } | |
98d72909 L |
250 | if ![string match "" $STATIC_LDFLAGS] { |
251 | if ![ld_link $CC "tmpdir/static_prog" "-static -Ltmpdir tmpdir/static_prog.o -lifunc"] { | |
252 | fail "Could not link a static executable" | |
253 | set fails [expr $fails + 1] | |
254 | } | |
d0042c6e L |
255 | } |
256 | if ![ld_link $ld "tmpdir/static_nonifunc_prog" "-static tmpdir/empty.o"] { | |
257 | fail "Could not link a non-ifunc using static executable" | |
258 | set fails [expr $fails + 1] | |
d8045f23 | 259 | } |
d9816402 | 260 | if ![ld_link $CC "tmpdir/test-1" "-Wl,--no-as-needed,-rpath=./tmpdir tmpdir/test-1.o tmpdir/libshared_ifunc.so"] { |
2955ec4c L |
261 | fail "Could not link test-1" |
262 | set fails [expr $fails + 1] | |
263 | } | |
d9816402 | 264 | if ![ld_link $ld "tmpdir/libtest-2.so" "-shared tmpdir/test-2.o"] { |
2955ec4c L |
265 | fail "Could not link libtest-2.so" |
266 | set fails [expr $fails + 1] | |
267 | } | |
e492d2f8 L |
268 | if ![ld_link $ld "tmpdir/libtest-2-now.so" "-shared -z now tmpdir/test-2.o"] { |
269 | fail "Could not link libtest-2-now.so" | |
270 | set fails [expr $fails + 1] | |
271 | } | |
d8045f23 NC |
272 | |
273 | if { $fails == 0 } { | |
274 | pass "Building ifunc binaries" | |
275 | set fails 0 | |
276 | } else { | |
277 | return | |
278 | } | |
279 | ||
cbe950e9 | 280 | # Check the executables and shared libraries |
d8045f23 | 281 | # |
cbe950e9 | 282 | # The linked ifunc using executables and the shared library containing |
9c55345c | 283 | # ifunc should have an OSABI field of GNU. The linked non-ifunc using |
cbe950e9 | 284 | # executable should have an OSABI field of NONE (aka System V). |
d8045f23 | 285 | |
e3696f67 AM |
286 | switch -glob $target_triplet { |
287 | hppa*-*-linux* { set expected_none {UNIX - GNU} } | |
d9816402 AM |
288 | default { set expected_none {UNIX - System V} } |
289 | } | |
290 | ||
9c55345c TS |
291 | if {! [check_osabi tmpdir/libshared_ifunc.so {UNIX - GNU}]} { |
292 | fail "Shared libraries containing ifunc does not have an OS/ABI field of GNU" | |
cbe950e9 L |
293 | set fails [expr $fails + 1] |
294 | } | |
9c55345c TS |
295 | if {! [check_osabi tmpdir/local_prog {UNIX - GNU}]} { |
296 | fail "Local ifunc-using executable does not have an OS/ABI field of GNU" | |
e054468f AM |
297 | set fails [expr $fails + 1] |
298 | } | |
98d72909 L |
299 | if { ![string match "" $STATIC_LDFLAGS] \ |
300 | && ![check_osabi tmpdir/static_prog {UNIX - GNU}]} { | |
9c55345c | 301 | fail "Static ifunc-using executable does not have an OS/ABI field of GNU" |
d8045f23 NC |
302 | set fails [expr $fails + 1] |
303 | } | |
d9816402 AM |
304 | if {! [check_osabi tmpdir/dynamic_prog $expected_none]} { |
305 | fail "Dynamic ifunc-using executable does not have an OS/ABI field of $expected_none" | |
d8045f23 NC |
306 | set fails [expr $fails + 1] |
307 | } | |
d9816402 AM |
308 | if {! [check_osabi tmpdir/static_nonifunc_prog $expected_none]} { |
309 | fail "Static non-ifunc-using executable does not have an OS/ABI field of $expected_none" | |
be19bd51 L |
310 | set fails [expr $fails + 1] |
311 | } | |
d8045f23 | 312 | |
cbe950e9 L |
313 | # The linked ifunc using executables and the shared library containing |
314 | # ifunc should contain an IFUNC symbol. The non-ifunc using executable | |
315 | # should not. | |
d8045f23 | 316 | |
cbe950e9 L |
317 | if {[contains_ifunc_symbol tmpdir/libshared_ifunc.so] != 1} { |
318 | fail "Shared libraries containing ifunc does not contain an IFUNC symbol" | |
319 | set fails [expr $fails + 1] | |
320 | } | |
e054468f AM |
321 | if {[contains_ifunc_symbol tmpdir/local_prog] != 1} { |
322 | fail "Local ifunc-using executable does not contain an IFUNC symbol" | |
323 | set fails [expr $fails + 1] | |
324 | } | |
98d72909 L |
325 | if { ![string match "" $STATIC_LDFLAGS] \ |
326 | && [contains_ifunc_symbol tmpdir/static_prog] != 1} { | |
d8045f23 NC |
327 | fail "Static ifunc-using executable does not contain an IFUNC symbol" |
328 | set fails [expr $fails + 1] | |
329 | } | |
2955ec4c L |
330 | if {[contains_ifunc_symbol tmpdir/dynamic_prog] != 0} { |
331 | fail "Dynamic ifunc-using executable contains an IFUNC symbol" | |
d8045f23 NC |
332 | set fails [expr $fails + 1] |
333 | } | |
334 | if {[contains_ifunc_symbol tmpdir/static_nonifunc_prog] != 0} { | |
335 | fail "Static non-ifunc-using executable contains an IFUNC symbol" | |
336 | set fails [expr $fails + 1] | |
337 | } | |
2955ec4c L |
338 | if {[contains_ifunc_symbol tmpdir/test-1] != 0} { |
339 | fail "test-1 contains IFUNC symbols" | |
340 | set fails [expr $fails + 1] | |
341 | } | |
342 | if {[contains_ifunc_symbol tmpdir/libtest-2.so] != 0} { | |
343 | fail "libtest-2.so contains IFUNC symbols" | |
344 | set fails [expr $fails + 1] | |
345 | } | |
e492d2f8 L |
346 | if {[contains_ifunc_symbol tmpdir/libtest-2-now.so] != 0} { |
347 | fail "libtest-2-now.so contains IFUNC symbols" | |
348 | set fails [expr $fails + 1] | |
349 | } | |
d8045f23 | 350 | |
cbe950e9 L |
351 | # The linked ifunc using executables and shared libraries should contain |
352 | # a dynamic reloc referencing the IFUNC symbol. (Even the static | |
353 | # executable which should have a dynamic section created for it). The | |
354 | # non-ifunc using executable should not. | |
d8045f23 | 355 | |
cbe950e9 L |
356 | if {[contains_irelative_reloc tmpdir/libshared_ifunc.so] != 1} { |
357 | fail "ifunc-using shared library does not contain R_*_IRELATIVE relocation" | |
358 | set fails [expr $fails + 1] | |
359 | } | |
e054468f AM |
360 | if {[contains_irelative_reloc tmpdir/local_prog] != 1} { |
361 | fail "Local ifunc-using executable does not contain R_*_IRELATIVE relocation" | |
362 | set fails [expr $fails + 1] | |
363 | } | |
98d72909 L |
364 | if { ![string match "" $STATIC_LDFLAGS] \ |
365 | && [contains_irelative_reloc tmpdir/static_prog] != 1} { | |
cbe950e9 | 366 | fail "Static ifunc-using executable does not contain R_*_IRELATIVE relocation" |
d8045f23 NC |
367 | set fails [expr $fails + 1] |
368 | } | |
2955ec4c L |
369 | if {[contains_ifunc_reloc tmpdir/dynamic_prog] != 0} { |
370 | fail "Dynamic ifunc-using executable contains a reloc against an IFUNC symbol" | |
d8045f23 NC |
371 | set fails [expr $fails + 1] |
372 | } | |
373 | if {[contains_ifunc_reloc tmpdir/static_nonifunc_prog] == 1} { | |
374 | fail "Static non-ifunc-using executable contains a reloc against an IFUNC symbol!" | |
375 | set fails [expr $fails + 1] | |
376 | } | |
377 | ||
378 | if { $fails == 0 } { | |
379 | pass "Checking ifunc binaries" | |
380 | } | |
381 | ||
4584ec12 L |
382 | run_cc_link_tests [list \ |
383 | [list \ | |
384 | "Build libpr16467a.so" \ | |
385 | "-shared -Wl,--version-script=pr16467a.map" \ | |
386 | "-fPIC" \ | |
387 | { pr16467a.c } \ | |
388 | {} \ | |
389 | "libpr16467a.so" \ | |
390 | ] \ | |
391 | [list \ | |
392 | "Build libpr16467b.a" \ | |
393 | "" \ | |
394 | "-fPIC" \ | |
395 | { pr16467b.c } \ | |
396 | {} \ | |
397 | "libpr16467b.a" \ | |
398 | ] \ | |
399 | [list \ | |
400 | "Build libpr16467b.so" \ | |
401 | "-shared tmpdir/pr16467b.o tmpdir/libpr16467a.so \ | |
402 | -Wl,--version-script=pr16467b.map" \ | |
403 | "-fPIC" \ | |
404 | { dummy.c } \ | |
405 | {} \ | |
406 | "libpr16467b.so" \ | |
407 | ] \ | |
408 | [list \ | |
409 | "Build libpr16467c.a" \ | |
410 | "" \ | |
411 | "" \ | |
412 | { pr16467c.c } \ | |
413 | {} \ | |
414 | "libpr16467c.a" \ | |
415 | ] \ | |
d6f48aed L |
416 | [list \ |
417 | "Build libpr16467an.so" \ | |
418 | "-shared -Wl,-z,now -Wl,--version-script=pr16467a.map" \ | |
419 | "-fPIC" \ | |
420 | { pr16467a.c } \ | |
421 | {} \ | |
422 | "libpr16467an.so" \ | |
423 | ] \ | |
424 | [list \ | |
425 | "Build libpr16467bn.so" \ | |
426 | "-shared tmpdir/pr16467b.o tmpdir/libpr16467an.so \ | |
427 | -Wl,--version-script=pr16467b.map" \ | |
428 | "-fPIC" \ | |
429 | { dummy.c } \ | |
430 | {} \ | |
431 | "libpr16467bn.so" \ | |
432 | ] \ | |
4584ec12 L |
433 | ] |
434 | ||
982c6f26 | 435 | run_ld_link_exec_tests [list \ |
37a9e49a L |
436 | [list \ |
437 | "Common symbol override ifunc test 1a" \ | |
438 | "-static" \ | |
439 | "" \ | |
440 | { ifunc-common-1a.c ifunc-common-1b.c } \ | |
441 | "ifunc-common-1a" \ | |
442 | "ifunc-common-1.out" \ | |
443 | "-g" \ | |
444 | ] \ | |
445 | [list \ | |
446 | "Common symbol override ifunc test 1b" \ | |
447 | "-static" \ | |
448 | "" \ | |
449 | { ifunc-common-1b.c ifunc-common-1a.c } \ | |
450 | "ifunc-common-1b" \ | |
451 | "ifunc-common-1.out" \ | |
452 | "-g" \ | |
453 | ] \ | |
c22ee0ad L |
454 | ] |
455 | ||
c22ee0ad L |
456 | # Run-time tests which require working IFUNC support. |
457 | if { ![check_ifunc_available] } { | |
458 | return | |
459 | } | |
460 | ||
5f7cbeec L |
461 | run_cc_link_tests [list \ |
462 | [list \ | |
463 | "Build ifunc-lib.so" \ | |
464 | "-shared" \ | |
465 | "-fPIC" \ | |
466 | { ifunc-lib.c } \ | |
467 | {} \ | |
468 | "libifunc-lib.so" \ | |
469 | ] \ | |
d6f48aed L |
470 | [list \ |
471 | "Build ifunc-libn.so" \ | |
472 | "-shared -Wl,-z,now" \ | |
473 | "-fPIC" \ | |
474 | { ifunc-lib.c } \ | |
475 | {} \ | |
476 | "libifunc-libn.so" \ | |
477 | ] \ | |
5f7cbeec L |
478 | ] |
479 | ||
982c6f26 | 480 | run_ld_link_exec_tests [list \ |
4584ec12 L |
481 | [list \ |
482 | "Run pr16467" \ | |
d9816402 | 483 | "-Wl,--no-as-needed tmpdir/pr16467c.o tmpdir/libpr16467b.so tmpdir/libpr16467a.so" \ |
4584ec12 L |
484 | "" \ |
485 | { dummy.c } \ | |
486 | "pr16467" \ | |
487 | "pr16467.out" \ | |
488 | "" \ | |
489 | ] \ | |
d6f48aed L |
490 | [list \ |
491 | "Run pr16467 (-z now)" \ | |
492 | "-Wl,-z,now -Wl,--no-as-needed tmpdir/pr16467c.o tmpdir/libpr16467bn.so tmpdir/libpr16467an.so" \ | |
493 | "" \ | |
494 | { dummy.c } \ | |
495 | "pr16467n" \ | |
496 | "pr16467.out" \ | |
497 | "" \ | |
498 | ] \ | |
5f7cbeec L |
499 | [list \ |
500 | "Run ifunc-main" \ | |
d9816402 | 501 | "-Wl,--no-as-needed tmpdir/libifunc-lib.so" \ |
5f7cbeec L |
502 | "" \ |
503 | { ifunc-main.c } \ | |
504 | "ifunc-main" \ | |
505 | "ifunc-main.out" \ | |
506 | ] \ | |
507 | [list \ | |
508 | "Run ifunc-main with -fpic" \ | |
d9816402 | 509 | "-Wl,--no-as-needed tmpdir/libifunc-lib.so" \ |
5f7cbeec L |
510 | "" \ |
511 | { ifunc-main.c } \ | |
512 | "ifunc-main" \ | |
513 | "ifunc-main.out" \ | |
514 | "-fpic" \ | |
515 | ] \ | |
d6f48aed L |
516 | [list \ |
517 | "Run ifunc-main (-z now)" \ | |
518 | "-Wl,-z,now -Wl,--no-as-needed tmpdir/libifunc-libn.so" \ | |
519 | "" \ | |
520 | { ifunc-main.c } \ | |
521 | "ifunc-mainn" \ | |
522 | "ifunc-main.out" \ | |
523 | ] \ | |
524 | [list \ | |
525 | "Run ifunc-main with PIE (-z now)" \ | |
526 | "-pie -Wl,-z,now -Wl,--no-as-needed tmpdir/libifunc-libn.so" \ | |
527 | "" \ | |
528 | { ifunc-main.c } \ | |
529 | "ifunc-mainpn" \ | |
530 | "ifunc-main.out" \ | |
531 | "-fpie" \ | |
532 | ] \ | |
37a9e49a | 533 | ] |
97dc35c8 L |
534 | |
535 | # Run-time tests which require working ifunc attribute support. | |
536 | if { ![check_ifunc_attribute_available] } { | |
537 | return | |
538 | } | |
539 | ||
540 | run_cc_link_tests [list \ | |
205ac185 L |
541 | [list \ |
542 | "Build pr18808a.o" \ | |
543 | "" \ | |
544 | "" \ | |
545 | { pr18808a.c } \ | |
546 | "" \ | |
547 | "" \ | |
548 | ] \ | |
97dc35c8 L |
549 | [list \ |
550 | "Build libpr18808.so" \ | |
551 | "-shared" \ | |
552 | "-fPIC -O2 -g" \ | |
553 | { pr18808b.c } \ | |
554 | {} \ | |
555 | "libpr18808.so" \ | |
556 | ] \ | |
d6f48aed L |
557 | [list \ |
558 | "Build libpr18808n.so" \ | |
559 | "-shared -Wl,-z,now" \ | |
560 | "-fPIC -O2 -g" \ | |
561 | { pr18808b.c } \ | |
562 | {} \ | |
563 | "libpr18808n.so" \ | |
564 | ] \ | |
205ac185 L |
565 | [list \ |
566 | "Build pr18841a.o" \ | |
567 | "" \ | |
470cd0fa | 568 | "$NOPIE_CFLAGS" \ |
205ac185 L |
569 | { pr18841a.c } \ |
570 | "" \ | |
571 | "" \ | |
572 | ] \ | |
cae1fbbb | 573 | [list \ |
4e1626f5 | 574 | "Build libpr18841b.so" \ |
cae1fbbb L |
575 | "-shared" \ |
576 | "-fPIC -O0 -g" \ | |
577 | { pr18841b.c } \ | |
578 | {} \ | |
4e1626f5 L |
579 | "libpr18841b.so" \ |
580 | ] \ | |
581 | [list \ | |
582 | "Build libpr18841c.so" \ | |
583 | "-shared" \ | |
584 | "-fPIC -O0 -g" \ | |
585 | { pr18841c.c } \ | |
586 | {} \ | |
587 | "libpr18841c.so" \ | |
cae1fbbb | 588 | ] \ |
d6f48aed L |
589 | [list \ |
590 | "Build libpr18841bn.so" \ | |
591 | "-Wl,-z,now -shared" \ | |
592 | "-fPIC -O0 -g" \ | |
593 | { pr18841b.c } \ | |
594 | {} \ | |
595 | "libpr18841bn.so" \ | |
596 | ] \ | |
597 | [list \ | |
598 | "Build libpr18841cn.so" \ | |
599 | "-shared" \ | |
600 | "-Wl,-z,now -fPIC -O0 -g" \ | |
601 | { pr18841c.c } \ | |
602 | {} \ | |
603 | "libpr18841cn.so" \ | |
604 | ] \ | |
4ec09950 L |
605 | [list \ |
606 | "Build libpr23169a.so" \ | |
607 | "-shared" \ | |
608 | "-fPIC -O2 -g" \ | |
609 | { pr23169a.c } \ | |
610 | {} \ | |
611 | "libpr23169a.so" \ | |
612 | ] \ | |
613 | [list \ | |
614 | "Build libpr23169b.so" \ | |
615 | "-shared -Wl,-z,now" \ | |
616 | "-fPIC -O2 -g" \ | |
617 | { pr23169a.c } \ | |
618 | {} \ | |
619 | "libpr23169b.so" \ | |
620 | ] \ | |
621 | [list \ | |
622 | "Build pr23169a" \ | |
623 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
624 | "$NOPIE_CFLAGS -O2 -g" \ | |
625 | { pr23169b.c pr23169c.c } \ | |
626 | {{readelf {--dyn-syms} pr23169a.rd} \ | |
627 | {readelf {-r -W} pr23169b.rd}} \ | |
628 | "pr23169a" \ | |
629 | ] \ | |
630 | [list \ | |
631 | "Build pr23169b" \ | |
632 | "-pie -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
633 | "-fPIE -O2 -g" \ | |
634 | { pr23169b.c pr23169c.c } \ | |
635 | {{readelf {--dyn-syms} pr23169c.rd} \ | |
636 | {readelf {-r -W} pr23169b.rd}} \ | |
637 | "pr23169b" \ | |
638 | ] \ | |
639 | [list \ | |
640 | "Build pr23169c" \ | |
641 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
642 | "-fPIE -O2 -g" \ | |
643 | { pr23169b.c pr23169c.c } \ | |
644 | {{readelf {--dyn-syms} pr23169c.rd} \ | |
645 | {readelf {-r -W} pr23169b.rd}} \ | |
646 | "pr23169c" \ | |
647 | ] \ | |
648 | [list \ | |
649 | "Build pr23169d" \ | |
650 | "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
651 | "$NOPIE_CFLAGS -O2 -g" \ | |
652 | { pr23169b.c pr23169c.c } \ | |
653 | {{readelf {--dyn-syms} pr23169a.rd} \ | |
654 | {readelf {-r -W} pr23169b.rd}} \ | |
655 | "pr23169d" \ | |
656 | ] \ | |
657 | [list \ | |
658 | "Build pr23169e" \ | |
659 | "-pie -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
660 | "-fPIE -O2 -g" \ | |
661 | { pr23169b.c pr23169c.c } \ | |
662 | {{readelf {--dyn-syms} pr23169c.rd} \ | |
663 | {readelf {-r -W} pr23169b.rd}} \ | |
664 | "pr23169e" \ | |
665 | ] \ | |
666 | [list \ | |
667 | "Build pr23169f" \ | |
668 | "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
669 | "-fPIE -O2 -g" \ | |
670 | { pr23169b.c pr23169c.c } \ | |
671 | {{readelf {--dyn-syms} pr23169c.rd} \ | |
672 | {readelf {-r -W} pr23169b.rd}} \ | |
673 | "pr23169f" \ | |
674 | ] \ | |
97dc35c8 L |
675 | ] |
676 | ||
982c6f26 | 677 | run_ld_link_exec_tests [list \ |
97dc35c8 L |
678 | [list \ |
679 | "Run pr18808" \ | |
d9816402 | 680 | "-Wl,--no-as-needed tmpdir/pr18808a.o tmpdir/libpr18808.so" \ |
97dc35c8 | 681 | "" \ |
205ac185 | 682 | { dummy.c } \ |
97dc35c8 L |
683 | "pr18808" \ |
684 | "pr18808.out" \ | |
685 | ] \ | |
d6f48aed L |
686 | [list \ |
687 | "Run pr18808 (-z now)" \ | |
688 | "-Wl,-z,now -Wl,--no-as-needed tmpdir/pr18808a.o tmpdir/libpr18808n.so" \ | |
689 | "" \ | |
690 | { dummy.c } \ | |
691 | "pr18808n" \ | |
692 | "pr18808.out" \ | |
693 | ] \ | |
cae1fbbb | 694 | [list \ |
4e1626f5 | 695 | "Run pr18841 with libpr18841b.so" \ |
470cd0fa AM |
696 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841b.so" \ |
697 | "$NOPIE_CFLAGS" \ | |
205ac185 | 698 | { dummy.c } \ |
4e1626f5 L |
699 | "pr18841b" \ |
700 | "pr18841.out" \ | |
701 | ] \ | |
702 | [list \ | |
703 | "Run pr18841 with libpr18841c.so" \ | |
470cd0fa AM |
704 | "$NOPIE_LDFLAGS -Wl,--as-needed tmpdir/pr18841a.o tmpdir/libpr18841c.so" \ |
705 | "$NOPIE_CFLAGS" \ | |
205ac185 | 706 | { dummy.c } \ |
4e1626f5 | 707 | "pr18841c" \ |
cae1fbbb L |
708 | "pr18841.out" \ |
709 | ] \ | |
d6f48aed L |
710 | [list \ |
711 | "Run pr18841 with libpr18841bn.so (-z now)" \ | |
470cd0fa AM |
712 | "$NOPIE_LDFLAGS -Wl,-z,now -Wl,--no-as-needed tmpdir/pr18841a.o tmpdir/libpr18841bn.so" \ |
713 | "$NOPIE_CFLAGS" \ | |
d6f48aed L |
714 | { dummy.c } \ |
715 | "pr18841bn" \ | |
716 | "pr18841.out" \ | |
717 | ] \ | |
718 | [list \ | |
719 | "Run pr18841 with libpr18841cn.so (-z now)" \ | |
470cd0fa AM |
720 | "$NOPIE_LDFLAGS -Wl,-z,now -Wl,--as-needed tmpdir/pr18841a.o tmpdir/libpr18841cn.so" \ |
721 | "$NOPIE_CFLAGS" \ | |
d6f48aed L |
722 | { dummy.c } \ |
723 | "pr18841cn" \ | |
724 | "pr18841.out" \ | |
725 | ] \ | |
2822b09f AM |
726 | ] |
727 | ||
728 | # The pr23169 testcase is not valid. In general, you can't call ifunc | |
729 | # resolvers in another binary unless you know what you're doing. In | |
730 | # particular you must ensure that the binary containing the resolver | |
731 | # is relocated before the resolver is called (for example, the | |
732 | # function addresses returned by the resolver may be loaded from the | |
733 | # GOT). | |
734 | # That does not happen for the pr23169 testcase where the resolver is | |
735 | # in the executable (which is relocated last by ld.so). | |
736 | if { [isnative] | |
c49829c3 EB |
737 | && !([istarget "powerpc-*-*"] |
738 | || [istarget "aarch64*-*-*"] | |
739 | || [istarget "sparc*-*-*"]) } { | |
2822b09f | 740 | run_ld_link_exec_tests [list \ |
4ec09950 L |
741 | [list \ |
742 | "Run pr23169a" \ | |
743 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
744 | "" \ | |
745 | { pr23169b.c pr23169c.c } \ | |
746 | "pr23169a" \ | |
747 | "pass.out" \ | |
748 | "$NOPIE_CFLAGS -O2 -g" \ | |
749 | ] \ | |
750 | [list \ | |
751 | "Run pr23169b" \ | |
752 | "-pie -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
753 | "" \ | |
754 | { pr23169b.c pr23169c.c } \ | |
755 | "pr23169b" \ | |
756 | "pass.out" \ | |
757 | "-fPIE -O2 -g" \ | |
758 | ] \ | |
759 | [list \ | |
760 | "Run pr23169c" \ | |
761 | "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libpr23169a.so" \ | |
762 | "" \ | |
763 | { pr23169b.c pr23169c.c } \ | |
764 | "pr23169c" \ | |
765 | "pass.out" \ | |
766 | "-fPIE -O2 -g" \ | |
767 | ] \ | |
768 | [list \ | |
769 | "Run pr23169d" \ | |
770 | "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
771 | "" \ | |
772 | { pr23169b.c pr23169c.c } \ | |
773 | "pr23169d" \ | |
774 | "pass.out" \ | |
775 | "$NOPIE_CFLAGS -O2 -g" \ | |
776 | ] \ | |
777 | [list \ | |
778 | "Run pr23169e" \ | |
779 | "-pie -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
780 | "" \ | |
781 | { pr23169b.c pr23169c.c } \ | |
782 | "pr23169e" \ | |
783 | "pass.out" \ | |
784 | "-fPIE -O2 -g" \ | |
785 | ] \ | |
786 | [list \ | |
787 | "Run pr23169f" \ | |
788 | "$NOPIE_LDFLAGS -Wl,--no-as-needed,-z,now tmpdir/libpr23169b.so" \ | |
789 | "" \ | |
790 | { pr23169b.c pr23169c.c } \ | |
791 | "pr23169f" \ | |
792 | "pass.out" \ | |
793 | "-fPIE -O2 -g" \ | |
794 | ] \ | |
b3d7a867 L |
795 | ] |
796 | if { $STATIC_PIE_LDFLAGS != "" } then { | |
797 | run_ld_link_exec_tests [list \ | |
798 | [list \ | |
799 | "Run pr23169g" \ | |
800 | "$STATIC_PIE_LDFLAGS" \ | |
801 | "" \ | |
802 | { pr23169a.c pr23169b.c pr23169c.c } \ | |
803 | "pr23169g" \ | |
804 | "pass.out" \ | |
805 | "-fPIE -O2 -g" \ | |
806 | ] \ | |
807 | ] | |
808 | } | |
809 | } | |
e9d644e8 L |
810 | |
811 | set ASFLAGS "$saved_ASFLAGS" |