1 # Expect script for ld-visibility tests
2 # Copyright (C) 2000, 2001 Free Software Foundation
4 # This file is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 # Written by Ian Lance Taylor (ian@cygnus.com)
19 # and H.J. Lu (hjl@gnu.org)
22 # Make sure that ld can generate ELF shared libraries with visibility.
24 # This test can only be run if ld generates native executables.
25 if ![isnative] then {return}
27 # This test can only be run on a couple of ELF platforms.
28 # Square bracket expressions seem to confuse istarget.
29 if { ![istarget i386-*-linux*] \
30 && ![istarget i486-*-linux*] \
31 && ![istarget i586-*-linux*] \
32 && ![istarget i686-*-linux*] \
33 && ![istarget m68k-*-linux*] \
34 && ![istarget powerpc-*-linux*] \
35 && ![istarget arm*-*-linux*] \
36 && ![istarget sparc*-*-linux*] } {
40 if { [istarget *-*-linux*aout*] \
41 || [istarget *-*-linux*oldld*] } {
48 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
50 # AIX shared libraries do not seem to support useful features,
51 # like overriding the shared library function or letting the
52 # shared library refer to objects defined in the main program. We
53 # avoid testing those features.
54 set SHCFLAG "-DXCOFF_TEST"
56 # The AIX 3.2.5 loader appears to randomly fail when loading
57 # shared libraries from NSF mounted partitions, so we avoid any
58 # potential problems by using a local directory.
59 catch {exec /bin/sh -c "echo $$"} pid
60 set tmpdir /usr/tmp/ld.$pid
61 catch "exec mkdir $tmpdir" exec_status
63 # On AIX, we need to explicitly export the symbols the shared
64 # library is going to provide, and need.
65 set file [open $tmpdir/xcoff.exp w]
68 puts $file shlib_shlibvar1
69 puts $file shlib_shlibvar2
70 puts $file shlib_shlibcall
71 puts $file shlib_shlibcalled
72 puts $file shlib_checkfunptr1
73 puts $file shlib_getfunptr1
74 puts $file shlib_check
78 set support_protected "no"
80 if [istarget *-*-linux*] {
81 if [ld_compile "$CC -g $CFLAGS -DPROTECTED_CHECK" $srcdir/$subdir/main.c $tmpdir/main.o] {
82 if [ld_link $ld $tmpdir/main "$tmpdir/main.o"] {
83 catch "exec $tmpdir/main" support_protected
89 proc visibility_test { visibility progname testname main sh1 sh2 dat args } {
98 if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
100 # Build the shared library.
101 # On AIX, we need to use an export file.
103 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
104 set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
106 if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $shldflags $tmpdir/$sh1 $tmpdir/$sh2"]} {
107 if { [ string match $visibility "hidden_undef" ]
108 && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
109 && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
111 } else { if { [ string match $visibility "protected_undef" ]
112 && [regexp ".*/sh1.c.*: undefined reference to \`visibility\'" $link_output]
113 && [regexp ".*/sh1.c.*: undefined reference to \`visibility_var\'" $link_output] } {
121 # Link against the shared library. Use -rpath so that the
122 # dynamic linker can locate the shared library at runtime.
123 # On AIX, we must include /lib in -rpath, as otherwise the loader
126 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
127 set rpath /lib:$tmpdir
129 if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
130 if { [ string match $visibility "hidden" ]
131 && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
132 && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
134 } else { if { [ string match $visibility "hidden_undef_def" ]
135 && [regexp ".*/main.c.*: undefined reference to \`visibility\'" $link_output]
136 && [regexp ".*/main.c.*: undefined reference to \`visibility_var\'" $link_output] } {
144 if { [ string match $visibility "hidden" ]
145 || [ string match $visibility "hidden_undef" ]
146 || [ string match $visibility "protected_undef" ] } {
150 # Run the resulting program
151 send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
152 verbose "$tmpdir/$progname >$tmpdir/$progname.out"
153 catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
154 if ![string match "" $exec_output] then {
155 send_log "$exec_output\n"
156 verbose "$exec_output"
161 send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
162 verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
163 catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
164 set exec_output [prune_warnings $exec_output]
166 if {![string match "" $exec_output]} then {
167 send_log "$exec_output\n"
168 verbose "$exec_output"
176 proc visibility_run {visibility} {
184 global target_triplet
185 global support_protected
187 if [ string match $visibility "hidden" ] {
188 set VSBCFLAG "-DHIDDEN_TEST"
189 } else { if [ string match $visibility "hidden_normal" ] {
190 set VSBCFLAG "-DHIDDEN_NORMAL_TEST"
191 } else { if [ string match $visibility "hidden_undef" ] {
192 set VSBCFLAG "-DHIDDEN_UNDEF_TEST"
193 } else { if [ string match $visibility "hidden_undef_def" ] {
194 set VSBCFLAG "-DHIDDEN_UNDEF_TEST -DDSO_DEFINE_TEST"
195 } else { if [ string match $visibility "hidden_weak" ] {
196 set VSBCFLAG "-DHIDDEN_WEAK_TEST"
197 } else { if [ string match $visibility "protected" ] {
198 set VSBCFLAG "-DPROTECTED_TEST"
199 } else { if [ string match $visibility "protected_undef" ] {
200 set VSBCFLAG "-DPROTECTED_UNDEF_TEST"
201 } else { if [ string match $visibility "protected_undef_def" ] {
202 set VSBCFLAG "-DPROTECTED_UNDEF_TEST -DDSO_DEFINE_TEST"
203 } else { if [ string match $visibility "protected_weak" ] {
204 set VSBCFLAG "-DPROTECTED_WEAK_TEST"
209 # Compile the main program.
210 if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
211 unresolved "visibility ($visibility) (non PIC)"
212 unresolved "visibility ($visibility)"
214 # The shared library is composed of two files. First compile them
215 # without using -fpic. That should work on an ELF system,
216 # although it will be less efficient because the dynamic linker
217 # will need to do more relocation work. However, note that not
218 # using -fpic will cause some of the tests to return different
220 if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
221 || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
222 unresolved "visibility ($visibility) (non PIC)"
223 } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
224 visibility_test $visibility vnp "visibility ($visibility) (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
226 # SunOS non PIC shared libraries don't permit some cases of
228 if { [ string match $visibility "protected" ]
229 || [ string match $visibility "protected_undef_def" ] } {
230 if [ string match $support_protected "no" ] {
231 setup_xfail $target_triplet
234 setup_xfail "*-*-sunos4*"
236 if { [ string match $visibility "hidden_weak" ]
237 || [ string match $visibility "protected_weak" ] } {
238 setup_xfail "powerpc-*-linux*"
240 visibility_test $visibility vnp "visibility ($visibility) (non PIC)" mainnp.o sh1np.o sh2np.o elfvsb
242 # Test ELF shared library relocations with a non-zero load
243 # address for the library. Near as I can tell, the R_*_RELATIVE
244 # relocations for various targets are broken in the case where
245 # the load address is not zero (which is the default).
246 if { [ string match $visibility "protected" ]
247 || [ string match $visibility "protected_undef_def" ] } {
248 if [ string match $support_protected "no" ] {
249 setup_xfail $target_triplet
252 setup_xfail "*-*-sunos4*"
253 setup_xfail "*-*-linux*libc1"
255 if { [ string match $visibility "hidden_normal" ]
256 || [ string match $visibility "hidden_weak" ]
257 || [ string match $visibility "protected" ]
258 || [ string match $visibility "protected_undef_def" ]
259 || [ string match $visibility "protected_weak" ]
260 || [ string match $visibility "normal" ] } {
261 setup_xfail "powerpc-*-linux*"
263 visibility_test $visibility vnp "visibility ($visibility) (non PIC, load offset)" \
264 mainnp.o sh1np.o sh2np.o elfvsb \
265 "-T $srcdir/$subdir/elf-offset.ld"
268 # Now compile the code using -fpic.
270 if { ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
271 || ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
272 unresolved "visibility ($visibility)"
274 if { [ string match $visibility "protected" ]
275 || [ string match $visibility "protected_undef_def" ] } {
276 if [ string match $support_protected "no" ] {
277 setup_xfail $target_triplet
280 # SunOS can not compare function pointers correctly
281 if [istarget "*-*-sunos4*"] {
282 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o sun4
283 } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
284 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o xcoff
286 visibility_test $visibility vp "visibility ($visibility)" mainnp.o sh1p.o sh2p.o elfvsb
291 # Now do the same tests again, but this time compile main.c PIC.
292 if ![ld_compile "$CC -g $CFLAGS $SHCFLAG $VSBCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
293 unresolved "visibility ($visibility) (PIC main, non PIC so)"
294 unresolved "visibility ($visibility) (PIC main)"
296 if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
297 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
298 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
300 # SunOS non PIC shared libraries don't permit some cases of
302 if { [ string match $visibility "protected" ]
303 || [ string match $visibility "protected_undef_def" ] } {
304 if [ string match $support_protected "no" ] {
305 setup_xfail $target_triplet
308 setup_xfail "*-*-sunos4*"
310 if { [ string match $visibility "hidden_weak" ]
311 || [ string match $visibility "protected_weak" ] } {
312 setup_xfail "powerpc-*-linux*"
314 visibility_test $visibility vmpnp "visibility ($visibility) (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o elfvsb
317 unresolved "visibility (PIC main, non PIC so)"
320 if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
321 if { [ string match $visibility "protected" ]
322 || [ string match $visibility "protected_undef_def" ] } {
323 if [ string match $support_protected "no" ] {
324 setup_xfail $target_triplet
327 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
328 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o xcoff
330 visibility_test $visibility vmpp "visibility ($visibility) (PIC main)" mainp.o sh1p.o sh2p.o elfvsb
333 unresolved "visibility ($visibility) (PIC main)"
338 if [istarget mips*-*-*] {
341 # Unfortunately, the gcc argument is -fpic and the cc argument is
342 # -KPIC. We have to try both.
344 send_log "$CC $picflag\n"
345 verbose "$CC $picflag"
346 catch "exec $CC $picflag" exec_output
347 send_log "$exec_output\n"
348 verbose "--" "$exec_output"
349 if { [string match "*illegal option*" $exec_output] \
350 || [string match "*option ignored*" $exec_output] \
351 || [string match "*unrecognized option*" $exec_output] \
352 || [string match "*passed to ld*" $exec_output] } {
353 if [istarget *-*-sunos4*] {
360 verbose "Using $picflag to compile PIC code"
362 visibility_run hidden
363 visibility_run hidden_normal
364 visibility_run hidden_undef
365 visibility_run hidden_undef_def
366 visibility_run hidden_weak
367 visibility_run protected
368 visibility_run protected_undef
369 visibility_run protected_undef_def
370 visibility_run protected_weak
371 visibility_run normal
373 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
374 # Remove the temporary directory.
375 catch "exec rm -rf $tmpdir" exec_status