231 lines
8 KiB
Text
231 lines
8 KiB
Text
# Expect script for ld-shared tests
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# Copyright (C) 1994,1995 Free Software Foundation
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#
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# This file is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# Written by Ian Lance Taylor (ian@cygnus.com)
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#
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# Make sure that ld can generate ELF shared libraries.
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# Note that linking against ELF shared libraries is tested by the
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# bootstrap test.
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# This test can only be run if ld generates native executables.
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if ![isnative] then {return}
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# This test can only be run on a couple of ELF platforms.
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# Square bracket expressions seem to confuse istarget.
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if { ![istarget i386-*-sysv4*] \
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&& ![istarget i486-*-sysv4*] \
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&& ![istarget i586-*-sysv4*] \
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&& ![istarget i386-*-unixware] \
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&& ![istarget i486-*-unixware] \
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&& ![istarget i586-*-unixware] \
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&& ![istarget i386-*-elf*] \
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&& ![istarget i486-*-elf*] \
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&& ![istarget i586-*-elf*] \
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&& ![istarget mips*-*-irix5*] \
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&& ![istarget sparc*-*-elf] \
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&& ![istarget sparc*-*-solaris2*] \
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&& ![istarget sparc*-*-sunos4*] \
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&& ![istarget rs6000*-*-aix*] \
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&& ![istarget powerpc*-*-aix*] } {
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return
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}
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set tmpdir tmpdir
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set SHCFLAG ""
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if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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# AIX shared libraries do not seem to support useful features,
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# like overriding the shared library function or letting the
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# shared library refer to objects defined in the main program. We
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# avoid testing those features.
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set SHCFLAG "-DXCOFF_TEST"
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# The AIX 3.2.5 loader appears to randomly fail when loading
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# shared libraries from NSF mounted partitions, so we avoid any
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# potential problems by using a local directory.
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catch {exec /bin/sh -c "echo $$"} pid
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set tmpdir /usr/tmp/ld.$pid
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catch "exec mkdir $tmpdir" exec_status
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# On AIX, we need to explicitly export the symbols the shared
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# library is going to provide, and need.
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set file [open $tmpdir/xcoff.exp w]
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puts $file shlibvar1
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puts $file shlibvar2
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puts $file shlib_shlibvar1
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puts $file shlib_shlibvar2
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puts $file shlib_shlibcall
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puts $file shlib_shlibcalled
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puts $file shlib_checkfunptr1
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puts $file shlib_getfunptr1
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puts $file shlib_check
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close $file
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}
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# The test procedure.
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proc shared_test { progname testname main sh1 sh2 dat } {
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global ld
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global srcdir
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global subdir
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global exec_output
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global host_triplet
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global tmpdir
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# Build the shared library.
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# On AIX, we need to use an export file.
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set shared -shared
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if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
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}
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if {![ld_simple_link $ld $tmpdir/$progname.so "$shared $tmpdir/$sh1 $tmpdir/$sh2"]} {
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fail "$testname"
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return
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}
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# Link against the shared library. Use -rpath so that the
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# dynamic linker can locate the shared library at runtime.
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# On AIX, we must include /lib in -rpath, as otherwise the loader
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# can not find -lc.
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set rpath $tmpdir
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if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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set rpath /lib:$tmpdir
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}
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if ![ld_link $ld $tmpdir/$progname "-rpath $rpath $tmpdir/$main $tmpdir/$progname.so"] {
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fail "$testname"
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return
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}
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# Run the resulting program
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send_log "$tmpdir/$progname >$tmpdir/$progname.out\n"
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verbose "$tmpdir/$progname >$tmpdir/$progname.out"
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catch "exec $tmpdir/$progname >$tmpdir/$progname.out" exec_output
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if ![string match "" $exec_output] then {
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send_log "$exec_output\n"
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verbose "$exec_output"
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fail "$testname"
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return
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}
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send_log "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat\n"
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verbose "diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat"
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catch "exec diff $tmpdir/$progname.out $srcdir/$subdir/$dat.dat" exec_output
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set exec_output [prune_system_crud $host_triplet $exec_output]
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if {![string match "" $exec_output]} then {
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send_log "$exec_output\n"
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verbose "$exec_output"
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fail "$testname"
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return
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}
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pass "$testname"
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}
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# Unfortunately, the gcc argument is -fpic and the cc argument is
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# -KPIC. We have to try both.
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set picflag "-fpic"
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send_log "$CC $picflag\n"
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verbose "$CC $picflag"
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catch "exec $CC $picflag" exec_output
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send_log "$exec_output\n"
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verbose "--" "$exec_output"
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if { [string match "*illegal option*" $exec_output] \
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|| [string match "*option ignored*" $exec_output] \
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|| [string match "*unrecognized option*" $exec_output] \
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|| [string match "*passed to ld*" $exec_output] } {
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if [istarget *-*-sunos4*] {
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set picflag "-pic"
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} else {
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set picflag "-KPIC"
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}
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}
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verbose "Using $picflag to compile PIC code"
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# Compile the main program.
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if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] {
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unresolved "shared (non PIC)"
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unresolved "shared"
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} else {
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# The shared library is composed of two files. First compile them
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# without using -fpic. That should work on an ELF system,
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# although it will be less efficient because the dynamic linker
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# will need to do more relocation work. However, note that not
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# using -fpic will cause some of the tests to return different
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# results.
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if { ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh1.c $tmpdir/sh1np.o]
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|| ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/sh2.c $tmpdir/sh2np.o] } {
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unresolved "shared (non PIC)"
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} else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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shared_test shnp "shared (nonPIC)" mainnp.o sh1np.o sh2np.o xcoff
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} else {
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# SunOS can not handle non PIC code in a shared library
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setup_xfail "*-*-sunos4*"
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shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
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} }
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# Now compile the code using -fpic.
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if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
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|| ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
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unresolved "shared"
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} else {
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# SunOS can not compare function pointers correctly
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if [istarget "*-*-sunos4*"] {
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shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
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} else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
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} else {
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shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
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} }
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}
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}
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# Now do the same tests again, but this time compile main.c PIC.
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if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
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unresolved "shared (PIC main, non PIC so)"
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unresolved "shared (PIC main)"
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} else {
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if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
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if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
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} else {
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# SunOS can not handle non PIC code in a shared library
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setup_xfail "*-*-sunos4*"
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shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
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}
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} else {
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unresolved "shared (PIC main, non PIC so)"
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}
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if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
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if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
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} else {
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shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
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}
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} else {
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unresolved "shared (PIC main)"
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}
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}
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if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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# Remove the temporary directory.
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catch "exec rm -rf $tmpdir" exec_status
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}
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