1 # Expect script for ld-shared tests
2 # Copyright (C) 1994,1995 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)
21 # Make sure that ld can generate ELF shared libraries.
22 # Note that linking against ELF shared libraries is tested by the
25 # This test can only be run if ld generates native executables.
26 if ![isnative] then {return}
28 # This test can only be run on a couple of ELF platforms.
29 # Square bracket expressions seem to confuse istarget.
30 if { ![istarget i386-*-sysv4*] \
31 && ![istarget i486-*-sysv4*] \
32 && ![istarget i586-*-sysv4*] \
33 && ![istarget i386-*-unixware] \
34 && ![istarget i486-*-unixware] \
35 && ![istarget i586-*-unixware] \
36 && ![istarget i386-*-elf*] \
37 && ![istarget i486-*-elf*] \
38 && ![istarget i586-*-elf*] \
39 && ![istarget mips*-*-irix5*] \
40 && ![istarget sparc*-*-elf] \
41 && ![istarget sparc*-*-solaris2*] \
42 && ![istarget sparc*-*-sunos4*] \
43 && ![istarget rs6000*-*-aix*] \
44 && ![istarget powerpc*-*-aix*] } {
51 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
53 # AIX shared libraries do not seem to support useful features,
54 # like overriding the shared library function or letting the
55 # shared library refer to objects defined in the main program. We
56 # avoid testing those features.
57 set SHCFLAG "-DXCOFF_TEST"
59 # The AIX 3.2.5 loader appears to randomly fail when loading
60 # shared libraries from NSF mounted partitions, so we avoid any
61 # potential problems by using a local directory.
62 catch {exec /bin/sh -c "echo $$"} pid
63 set tmpdir /usr/tmp/ld.$pid
64 catch "exec mkdir $tmpdir" exec_status
66 # On AIX, we need to explicitly export the symbols the shared
67 # library is going to provide, and need.
68 set file [open $tmpdir/xcoff.exp w]
71 puts $file shlib_shlibvar1
72 puts $file shlib_shlibvar2
73 puts $file shlib_shlibcall
74 puts $file shlib_shlibcalled
75 puts $file shlib_checkfunptr1
76 puts $file shlib_getfunptr1
77 puts $file shlib_check
82 proc shared_test { progname testname main sh1 sh2 dat } {
90 # Build the shared library.
91 # On AIX, we need to use an export file.
93 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
94 set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
96 if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $tmpdir/$sh1 $tmpdir/$sh2"]} {
101 # Link against the shared library. Use -rpath so that the
102 # dynamic linker can locate the shared library at runtime.
103 # On AIX, we must include /lib in -rpath, as otherwise the loader
106 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
107 set rpath /lib:$tmpdir
109 if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
114 # Run the resulting program
115 send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
116 verbose "$tmpdir/$progname >$tmpdir/$progname.out"
117 catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
118 if ![string match "" $exec_output] then {
119 send_log "$exec_output\n"
120 verbose "$exec_output"
125 send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
126 verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
127 catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
128 set exec_output [prune_system_crud $host_triplet $exec_output]
130 if {![string match "" $exec_output]} then {
131 send_log "$exec_output\n"
132 verbose "$exec_output"
140 # Unfortunately, the gcc argument is -fpic and the cc argument is
141 # -KPIC. We have to try both.
144 send_log "$CC $picflag\n"
145 verbose "$CC $picflag"
146 catch "exec $CC $picflag" exec_output
147 send_log "$exec_output\n"
148 verbose "--" "$exec_output"
149 if { [string match "*illegal option*" $exec_output] \
150 || [string match "*option ignored*" $exec_output] \
151 || [string match "*unrecognized option*" $exec_output] \
152 || [string match "*passed to ld*" $exec_output] } {
153 if [istarget *-*-sunos4*] {
159 verbose "Using $picflag to compile PIC code"
161 # Compile the main program.
162 if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
163 unresolved "shared (non PIC)"
166 # The shared library is composed of two files. First compile them
167 # without using -fpic. That should work on an ELF system,
168 # although it will be less efficient because the dynamic linker
169 # will need to do more relocation work. However, note that not
170 # using -fpic will cause some of the tests to return different
172 if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
173 || ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
174 unresolved "shared (non PIC)"
175 } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
176 shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
178 # SunOS can not handle non PIC code in a shared library
179 setup_xfail "*-*-sunos4*"
180 shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
183 # Now compile the code using -fpic.
185 if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
186 || ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
189 # SunOS can not compare function pointers correctly
190 if [istarget "*-*-sunos4*"] {
191 shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
192 } else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
193 shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
195 shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
200 # Now do the same tests again, but this time compile main.c PIC.
201 if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
202 unresolved "shared (PIC main, non PIC so)"
203 unresolved "shared (PIC main)"
205 if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
206 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
207 shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
209 # SunOS can not handle non PIC code in a shared library
210 setup_xfail "*-*-sunos4*"
211 shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
214 unresolved "shared (PIC main, non PIC so)"
217 if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
218 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
219 shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
221 shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
224 unresolved "shared (PIC main)"
228 if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
229 # Remove the temporary directory.
230 catch "exec rm -rf $tmpdir" exec_status