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252b5132 | 1 | # Expect script for ld-shared tests |
a2c58332 | 2 | # Copyright (C) 1994-2022 Free Software Foundation, Inc. |
252b5132 | 3 | # |
f96b4a7b NC |
4 | # This file is part of the GNU Binutils. |
5 | # | |
6 | # This program is free software; you can redistribute it and/or modify | |
252b5132 | 7 | # it under the terms of the GNU General Public License as published by |
f96b4a7b | 8 | # the Free Software Foundation; either version 3 of the License, or |
252b5132 | 9 | # (at your option) any later version. |
f96b4a7b | 10 | # |
252b5132 RH |
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. | |
f96b4a7b | 15 | # |
252b5132 RH |
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 | |
f96b4a7b NC |
18 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | # MA 02110-1301, USA. | |
252b5132 RH |
20 | # |
21 | # Written by Ian Lance Taylor (ian@cygnus.com) | |
22 | # | |
23 | ||
24 | # Make sure that ld can generate ELF shared libraries. | |
25 | # Note that linking against ELF shared libraries is tested by the | |
26 | # bootstrap test. | |
27 | ||
d9816402 | 28 | # Check to see if the C compiler works |
44ed8092 | 29 | if { ![check_compiler_available] } { |
d9816402 AM |
30 | return |
31 | } | |
252b5132 RH |
32 | |
33 | # This test can only be run on a couple of ELF platforms. | |
34 | # Square bracket expressions seem to confuse istarget. | |
19c7c582 AM |
35 | if { ![istarget hppa*64*-*-hpux*] \ |
36 | && ![istarget hppa*-*-linux*] \ | |
37 | && ![istarget i?86-*-sysv4*] \ | |
ad995491 L |
38 | && ![istarget i?86-*-unixware] \ |
39 | && ![istarget i?86-*-elf*] \ | |
40 | && ![istarget i?86-*-linux*] \ | |
5940a93c | 41 | && ![istarget i?86-*-gnu*] \ |
5a68afcf | 42 | && ![istarget *-*-nacl*] \ |
ad995491 L |
43 | && ![istarget ia64-*-elf*] \ |
44 | && ![istarget ia64-*-linux*] \ | |
252b5132 RH |
45 | && ![istarget m68k-*-linux*] \ |
46 | && ![istarget mips*-*-irix5*] \ | |
66517a2f | 47 | && ![istarget mips*-*-linux*] \ |
24b01a74 AM |
48 | && ![istarget powerpc*-*-elf*] \ |
49 | && ![istarget powerpc*-*-linux*] \ | |
50 | && ![istarget powerpc*-*-sysv4*] \ | |
252b5132 RH |
51 | && ![istarget sparc*-*-elf] \ |
52 | && ![istarget sparc*-*-solaris2*] \ | |
b33b6e45 | 53 | && ![istarget sparc*-*-linux*] \ |
4f38fc1c | 54 | && ![istarget arm*-*-linux*] \ |
2ffd68ef | 55 | && ![istarget alpha*-*-linux*] \ |
74044dc8 | 56 | && ![is_xcoff_format] \ |
9147e853 | 57 | && ![istarget s390*-*-linux*] \ |
a06ea964 | 58 | && ![istarget aarch64*-*-linux*] \ |
9147e853 | 59 | && ![istarget x86_64-*-linux*] } { |
252b5132 | 60 | return |
252b5132 RH |
61 | } |
62 | ||
63 | set tmpdir tmpdir | |
64 | set SHCFLAG "" | |
a9f844b1 | 65 | set shared_needs_pic "no" |
252b5132 | 66 | |
42afa120 | 67 | # Disable all sanitizers. |
ad77db1c AM |
68 | set old_CFLAGS "$CFLAGS_FOR_TARGET" |
69 | append CFLAGS_FOR_TARGET " $NOSANITIZE_CFLAGS" | |
42afa120 | 70 | |
74044dc8 CC |
71 | if { [is_xcoff_format] } { |
72 | # Not all the useful features are available with AIX shared | |
73 | # libraries by default. | |
74 | # We can manage to simulate some of them with export/import | |
75 | # files but the overriding of shared library functions or | |
76 | # variables by the main program doesn't seem possible. | |
77 | # We avoid testing those features. | |
252b5132 RH |
78 | set SHCFLAG "-DXCOFF_TEST" |
79 | ||
74044dc8 CC |
80 | # In order to avoid listing every symbols in an export file, |
81 | # the export will be done with -bexpall flag. | |
82 | # However for imports, we must create the import file. | |
83 | set file [open $tmpdir/xcoff-shared.imp w] | |
84 | puts $file "#! ." | |
85 | puts $file mainvar | |
86 | puts $file main_called | |
252b5132 RH |
87 | close $file |
88 | } | |
89 | ||
a9f844b1 NC |
90 | if [istarget arm*-*-linux*] { |
91 | # On ARM section anchors can change the symbol pre-emptability for | |
5a68afcf | 92 | # non-PIC shared libraries, causing these tests to fail. Turn section |
a9f844b1 NC |
93 | # anchors off. |
94 | set SHCFLAG "-fno-section-anchors" | |
95 | ||
5a68afcf | 96 | # On targets that have MOVW the compiler will emit relocations which |
a9f844b1 | 97 | # the linker doesn't support when compiling -shared without -fpic. The |
5a68afcf | 98 | # test to find out whether we want to XFAIL the non-PIC tests requires |
a9f844b1 | 99 | # a compile - so we pre-calculate it here. We also note that this can |
0085488a WN |
100 | # only affect arm*-*-*eabi* targets as the old ABI doesn't support v7. |
101 | if [istarget arm*-*-*eabi*] { | |
a9f844b1 NC |
102 | set file [open $tmpdir/movw-detect.c w] |
103 | puts $file "void foo(void) { __asm (\"movw r0, #0\"); }" | |
104 | close $file | |
ad77db1c | 105 | if [run_host_cmd_yesno "$CC_FOR_TARGET" "$CFLAGS_FOR_TARGET -c $tmpdir/movw-detect.c -o $tmpdir/movw-detect.o"] { |
a9f844b1 NC |
106 | set shared_needs_pic "yes" |
107 | } | |
108 | } | |
109 | } | |
110 | ||
252b5132 RH |
111 | # The test procedure. |
112 | proc shared_test { progname testname main sh1 sh2 dat args } { | |
ad77db1c | 113 | global CC_FOR_TARGET |
252b5132 RH |
114 | global srcdir |
115 | global subdir | |
116 | global exec_output | |
117 | global host_triplet | |
118 | global tmpdir | |
119 | ||
120 | if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" } | |
121 | ||
122 | # Build the shared library. | |
252b5132 | 123 | set shared -shared |
74044dc8 CC |
124 | if { [is_xcoff_format] } { |
125 | # On AIX, setup imports and exports. | |
126 | append shared " -Wl,-bexpall -Wl,-bI:$tmpdir/xcoff-shared.imp" | |
252b5132 | 127 | } |
af2c48d8 L |
128 | if { [is_elf_format] && [check_shared_lib_support] } { |
129 | append shared " -Wl,-z,notext" | |
130 | } | |
ad77db1c | 131 | if {![ld_link $CC_FOR_TARGET $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} { |
252b5132 RH |
132 | fail "$testname" |
133 | return | |
134 | } | |
135 | ||
136 | # Link against the shared library. Use -rpath so that the | |
137 | # dynamic linker can locate the shared library at runtime. | |
138 | # On AIX, we must include /lib in -rpath, as otherwise the loader | |
139 | # can not find -lc. | |
140 | set rpath $tmpdir | |
74044dc8 CC |
141 | set exportflag "" |
142 | if { [is_xcoff_format] } { | |
252b5132 | 143 | set rpath /lib:$tmpdir |
74044dc8 | 144 | set exportflag " -Wl,-bexpall" |
252b5132 | 145 | } |
74044dc8 | 146 | if ![ld_link $CC_FOR_TARGET $tmpdir/$progname "-Wl,-rpath,$rpath $tmpdir/$main $tmpdir/$progname.so $exportflag"] { |
252b5132 RH |
147 | fail "$testname" |
148 | return | |
149 | } | |
150 | ||
d9816402 AM |
151 | if ![isnative] { |
152 | unsupported $testname | |
153 | return | |
154 | } | |
155 | ||
252b5132 RH |
156 | # Run the resulting program |
157 | send_log "$tmpdir/$progname >$tmpdir/$progname.out\n" | |
158 | verbose "$tmpdir/$progname >$tmpdir/$progname.out" | |
159 | catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output | |
160 | if ![string match "" $exec_output] then { | |
161 | send_log "$exec_output\n" | |
162 | verbose "$exec_output" | |
163 | fail "$testname" | |
164 | return | |
165 | } | |
166 | ||
167 | send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n" | |
168 | verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" | |
169 | catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output | |
170 | set exec_output [prune_warnings $exec_output] | |
171 | ||
172 | if {![string match "" $exec_output]} then { | |
173 | send_log "$exec_output\n" | |
174 | verbose "$exec_output" | |
175 | fail "$testname" | |
176 | return | |
177 | } | |
178 | ||
179 | pass "$testname" | |
180 | } | |
181 | ||
fb35d3d8 DD |
182 | # Old version of GCC for MIPS default to enabling -fpic |
183 | # and get confused if it is used on the command line. | |
184 | if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then { | |
252b5132 RH |
185 | set picflag "" |
186 | } else { | |
187 | # Unfortunately, the gcc argument is -fpic and the cc argument is | |
188 | # -KPIC. We have to try both. | |
189 | set picflag "-fpic" | |
ad77db1c AM |
190 | send_log "$CC_FOR_TARGET $picflag\n" |
191 | verbose "$CC_FOR_TARGET $picflag" | |
192 | catch "exec $CC_FOR_TARGET $picflag" exec_output | |
252b5132 RH |
193 | send_log "$exec_output\n" |
194 | verbose "--" "$exec_output" | |
195 | if { [string match "*illegal option*" $exec_output] \ | |
196 | || [string match "*option ignored*" $exec_output] \ | |
197 | || [string match "*unrecognized option*" $exec_output] \ | |
198 | || [string match "*passed to ld*" $exec_output] } { | |
c9098af4 | 199 | set picflag "-KPIC" |
252b5132 RH |
200 | } |
201 | } | |
202 | verbose "Using $picflag to compile PIC code" | |
203 | ||
204 | # Compile the main program. | |
669d5115 | 205 | if ![ld_compile "$CC_FOR_TARGET $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] { |
5b1f6c95 AM |
206 | unsupported "shared (non PIC)" |
207 | unsupported "shared" | |
252b5132 RH |
208 | } else { |
209 | # The shared library is composed of two files. First compile them | |
210 | # without using -fpic. That should work on an ELF system, | |
211 | # although it will be less efficient because the dynamic linker | |
212 | # will need to do more relocation work. However, note that not | |
213 | # using -fpic will cause some of the tests to return different | |
cda77e9e | 214 | # results. Make sure that PLT is used since PLT is expected. |
9d1c54ed | 215 | global PLT_CFLAGS NOPIE_CFLAGS |
669d5115 AM |
216 | if { ![ld_compile "$CC_FOR_TARGET $PLT_CFLAGS $NOPIE_CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o] |
217 | || ![ld_compile "$CC_FOR_TARGET $PLT_CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } { | |
5b1f6c95 | 218 | unsupported "shared (non PIC)" |
74044dc8 | 219 | } else { if { [is_xcoff_format] } { |
252b5132 RH |
220 | shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff |
221 | } else { | |
a5d21497 RO |
222 | # Solaris defaults to -z text. |
223 | setup_xfail "*-*-solaris2*" | |
ad995491 | 224 | setup_xfail "ia64-*-linux*" |
212a6b8e | 225 | setup_xfail "alpha*-*-linux*" |
24b01a74 | 226 | setup_xfail "powerpc64*-*-*" |
c0d48c0b DA |
227 | if { ![istarget hppa*64*-*-linux*] } { |
228 | setup_xfail "hppa*-*-linux*" | |
229 | } | |
4dc570c2 JJ |
230 | if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } { |
231 | setup_xfail "sparc*-*-linux*" | |
232 | } | |
8b778942 L |
233 | if { [is_elf64 $tmpdir/mainnp.o] } { |
234 | setup_xfail "x86_64-*-linux*" | |
235 | } | |
3c995545 | 236 | setup_xfail "x86_64-*-linux-gnux32" |
4648dfcf | 237 | setup_xfail "s390x-*-linux*" |
a9f844b1 NC |
238 | if [ string match $shared_needs_pic "yes" ] { |
239 | setup_xfail "arm*-*-linux*" | |
240 | } | |
273dc279 | 241 | setup_xfail "aarch64*-*-linux*" |
252b5132 RH |
242 | shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared |
243 | ||
244 | # Test ELF shared library relocations with a non-zero load | |
245 | # address for the library. Near as I can tell, the R_*_RELATIVE | |
246 | # relocations for various targets are broken in the case where | |
247 | # the load address is not zero (which is the default). | |
b7be1db6 | 248 | setup_xfail "*-*-linux*libc1" |
24b01a74 | 249 | setup_xfail "powerpc*-*-linux*" |
ad995491 | 250 | setup_xfail "ia64-*-linux*" |
212a6b8e | 251 | setup_xfail "alpha*-*-linux*" |
66517a2f | 252 | setup_xfail "mips*-*-linux*" |
c0d48c0b DA |
253 | if { ![istarget hppa*64*-*-linux*] } { |
254 | setup_xfail "hppa*-*-linux*" | |
255 | } | |
4dc570c2 JJ |
256 | if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } { |
257 | setup_xfail "sparc*-*-linux*" | |
258 | } | |
8b778942 L |
259 | if { [is_elf64 $tmpdir/mainnp.o] } { |
260 | setup_xfail "x86_64-*-linux*" | |
261 | } | |
3c995545 | 262 | setup_xfail "x86_64-*-linux-gnux32" |
8c37241b | 263 | setup_xfail "s390x-*-linux*" |
a9f844b1 NC |
264 | if [ string match $shared_needs_pic "yes" ] { |
265 | setup_xfail "arm*-*-linux*" | |
266 | } | |
273dc279 | 267 | setup_xfail "aarch64*-*-linux*" |
a5d21497 RO |
268 | # Solaris defaults to -z text. |
269 | setup_xfail "*-*-solaris2*" | |
252b5132 RH |
270 | shared_test shnp "shared (non PIC, load offset)" \ |
271 | mainnp.o sh1np.o sh2np.o shared \ | |
bab55c05 | 272 | "-Wl,-T,$srcdir/$subdir/elf-offset.ld,--hash-style=sysv" |
252b5132 RH |
273 | } } |
274 | ||
275 | # Now compile the code using -fpic. | |
276 | ||
669d5115 AM |
277 | if { ![ld_compile "$CC_FOR_TARGET $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o] |
278 | || ![ld_compile "$CC_FOR_TARGET $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } { | |
5b1f6c95 | 279 | unsupported "shared" |
252b5132 | 280 | } else { |
74044dc8 | 281 | if { [is_xcoff_format] } { |
252b5132 RH |
282 | shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff |
283 | } else { | |
284 | shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared | |
74044dc8 CC |
285 | ld_compile "$CC_FOR_TARGET -DSYMBOLIC_TEST $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o |
286 | ld_compile "$CC_FOR_TARGET -DSYMBOLIC_TEST $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o | |
5a68afcf | 287 | shared_test shp "shared -Bsymbolic" mainnp.o sh1p.o sh2p.o symbolic "-Bsymbolic" |
669d5115 AM |
288 | ld_compile "$CC_FOR_TARGET $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o |
289 | ld_compile "$CC_FOR_TARGET $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o | |
c9098af4 | 290 | } |
252b5132 RH |
291 | } |
292 | } | |
293 | ||
294 | # Now do the same tests again, but this time compile main.c PIC. | |
669d5115 | 295 | if ![ld_compile "$CC_FOR_TARGET $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] { |
5b1f6c95 AM |
296 | unsupported "shared (PIC main, non PIC so)" |
297 | unsupported "shared (PIC main)" | |
252b5132 RH |
298 | } else { |
299 | if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } { | |
74044dc8 | 300 | if { [is_xcoff_format] } { |
252b5132 RH |
301 | shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff |
302 | } else { | |
a5d21497 RO |
303 | # Solaris defaults to -z text. |
304 | setup_xfail "*-*-solaris2*" | |
ad995491 | 305 | setup_xfail "ia64-*-linux*" |
212a6b8e | 306 | setup_xfail "alpha*-*-linux*" |
24b01a74 | 307 | setup_xfail "powerpc64*-*-*" |
c0d48c0b DA |
308 | if { ![istarget hppa*64*-*-linux*] } { |
309 | setup_xfail "hppa*-*-linux*" | |
310 | } | |
4dc570c2 JJ |
311 | if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainp.o] } { |
312 | setup_xfail "sparc*-*-linux*" | |
313 | } | |
8b778942 L |
314 | if { [is_elf64 $tmpdir/mainp.o] } { |
315 | setup_xfail "x86_64-*-linux*" | |
316 | } | |
3c995545 | 317 | setup_xfail "x86_64-*-linux-gnux32" |
4648dfcf | 318 | setup_xfail "s390x-*-linux*" |
a9f844b1 NC |
319 | if [ string match $shared_needs_pic "yes" ] { |
320 | setup_xfail "arm*-*-linux*" | |
321 | } | |
273dc279 | 322 | setup_xfail "aarch64*-*-linux*" |
252b5132 RH |
323 | shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared |
324 | } | |
325 | } else { | |
5b1f6c95 | 326 | unsupported "shared (PIC main, non PIC so)" |
252b5132 RH |
327 | } |
328 | ||
329 | if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } { | |
74044dc8 | 330 | if { [is_xcoff_format] } { |
252b5132 RH |
331 | shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff |
332 | } else { | |
333 | shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared | |
334 | } | |
335 | } else { | |
5b1f6c95 | 336 | unsupported "shared (PIC main)" |
252b5132 RH |
337 | } |
338 | } | |
339 | ||
ad77db1c | 340 | set CFLAGS_FOR_TARGET "$old_CFLAGS" |