f9c3e5871e
shared libraries.
146 lines
5 KiB
Text
146 lines
5 KiB
Text
# Expect script for ld-shared tests
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# Copyright (C) 1994 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., 675 Mass Ave, Cambridge, MA 02139, 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 sparc*-*-elf] \
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&& ![istarget sparc*-*-solaris2*]} then {
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return
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}
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# Compile the main program.
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if ![ld_compile "$CC $CFLAGS" $srcdir$subdir/main.c tmpdir/main.o] {
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return
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}
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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, although it
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# will be less efficient because the dynamic linker will need to do
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# more relocation work. However, note that not using -fpic will cause
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# some of the tests to return different results.
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if ![ld_compile "$CC $CFLAGS" $srcdir$subdir/sh1.c tmpdir/sh1.o] {
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return
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}
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if ![ld_compile "$CC $CFLAGS" $srcdir$subdir/sh2.c tmpdir/sh2.o] {
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return
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}
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# Build the shared library.
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if ![ld_simple_link $ld tmpdir/shnonpic.so {-shared tmpdir/sh1.o tmpdir/sh2.o}] {
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fail "shared (non PIC)"
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} else {
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# Link against the shared library. Use -rpath so that the dynamic
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# linker can locate the shared library at runtime.
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if ![ld_link $ld tmpdir/shnonpic {-rpath tmpdir tmpdir/main.o tmpdir/shnonpic.so}] {
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fail "shared (non PIC)"
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} else {
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# Run the resulting program
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send_log "tmpdir/shnonpic >tmpdir/shnonpic.out\n"
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verbose "tmpdir/shnonpic >tmpdir/shnonpic.out"
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catch "exec tmpdir/shnonpic >tmpdir/shnonpic.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 "shared (non PIC)"
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} else {
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send_log "diff tmpdir/shnonpic.out $srcdir$subdir/shared.dat\n"
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verbose "diff tmpdir/shnonpic.out $srcdir$subdir/shared.dat"
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catch "exec diff tmpdir/shnonpic.out $srcdir$subdir/shared.dat" exec_output
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if [string match "" $exec_output] then {
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pass "shared (non PIC)"
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} else {
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send_log "$exec_output\n"
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verbose "$exec_output"
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fail "shared (non PIC)"
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}
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}
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}
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}
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# Now compile the code using -fpic. Unfortunately, the gcc argument
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# is -fpic and the cc argument is -KPIC. We have to try both.
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set picflag "-fpic"
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send_log "$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] } then {
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set picflag "-KPIC"
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}
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verbose "Using $picflag to compile PIC code"
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if ![ld_compile "$CC $CFLAGS $picflag" $srcdir$subdir/sh1.c tmpdir/sh1.o] {
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return
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}
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if ![ld_compile "$CC $CFLAGS $picflag" $srcdir$subdir/sh2.c tmpdir/sh2.o] {
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return
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}
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# Build the shared library.
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if ![ld_simple_link $ld tmpdir/shpic.so {-shared tmpdir/sh1.o tmpdir/sh2.o}] {
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fail "shared"
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} else {
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# Link against the shared library. Use -rpath so that the dynamic
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# linker can locate the shared library at runtime.
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if ![ld_link $ld tmpdir/shpic {-rpath tmpdir tmpdir/main.o tmpdir/shpic.so}] {
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fail "shared"
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} else {
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# Run the resulting program
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send_log "tmpdir/shpic >tmpdir/shpic.out\n"
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verbose "tmpdir/shpic >tmpdir/shpic.out"
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catch "exec tmpdir/shpic >tmpdir/shpic.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 "shared"
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} else {
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send_log "diff tmpdir/shpic.out $srcdir$subdir/shared.dat\n"
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verbose "diff tmpdir/shpic.out $srcdir$subdir/shared.dat"
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catch "exec diff tmpdir/shpic.out $srcdir$subdir/shared.dat" exec_output
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if [string match "" $exec_output] then {
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pass "shared"
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} else {
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send_log "$exec_output\n"
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verbose "$exec_output"
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fail "shared"
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}
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}
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}
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}
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