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khays |
# Expect script for ld-shared tests
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# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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# 2004, 2005, 2007, 2008, 2009, 2010
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# Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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# This program 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, 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 hppa*64*-*-hpux*] \
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&& ![istarget hppa*-*-linux*] \
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&& ![istarget i?86-*-sysv4*] \
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&& ![istarget i?86-*-unixware] \
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&& ![istarget i?86-*-elf*] \
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&& ![istarget i?86-*-linux*] \
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&& ![istarget i?86-*-gnu*] \
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&& ![istarget ia64-*-elf*] \
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&& ![istarget ia64-*-linux*] \
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&& ![istarget m68k-*-linux*] \
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&& ![istarget mips*-*-irix5*] \
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&& ![istarget mips*-*-linux*] \
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&& ![istarget powerpc*-*-elf*] \
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&& ![istarget powerpc*-*-linux*] \
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&& ![istarget powerpc*-*-sysv4*] \
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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 sparc*-*-linux*] \
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&& ![istarget arm*-*-linux*] \
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&& ![istarget alpha*-*-linux*] \
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&& ![istarget rs6000*-*-aix*] \
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&& ![istarget powerpc*-*-aix*] \
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&& ![istarget s390*-*-linux*] \
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&& ![istarget x86_64-*-linux*] } {
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return
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}
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if { [istarget *-*-linux*aout*] \
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|| [istarget *-*-linux*oldld*] } {
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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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set shared_needs_pic "no"
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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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if [istarget arm*-*-linux*] {
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# On ARM section anchors can change the symbol pre-emptability for
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# non-PIC shared libraries, causing these tests to fail. Turn section
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# anchors off.
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set SHCFLAG "-fno-section-anchors"
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# On targets that have MOVW the compiler will emit relocations which
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# the linker doesn't support when compiling -shared without -fpic. The
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# test to find out whether we want to XFAIL the non-PIC tests requires
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# a compile - so we pre-calculate it here. We also note that this can
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# only affect arm*-*-*eabi targets as the old ABI doesn't support v7.
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if [istarget arm*-*-*eabi] {
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set file [open $tmpdir/movw-detect.c w]
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puts $file "void foo(void) { __asm (\"movw r0, #0\"); }"
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close $file
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if [run_host_cmd_yesno "$CC" "$CFLAGS -c $tmpdir/movw-detect.c -o $tmpdir/movw-detect.o"] {
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set shared_needs_pic "yes"
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}
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}
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}
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# The test procedure.
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proc shared_test { progname testname main sh1 sh2 dat args } {
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global CC
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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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if [llength $args] { set shldflags [lindex $args 0] } else { set shldflags "" }
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# Build the shared library.
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# On AIX, we need to use an export file.
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set shared -shared
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if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
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set shared "-bM:SRE -bE:$tmpdir/xcoff.exp"
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}
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if {![ld_simple_link $CC $tmpdir/$progname.so "$shared $shldflags $tmpdir/$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_simple_link $CC $tmpdir/$progname "-Wl,-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_warnings $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 "$testname"
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}
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if [istarget mips*-*-*] {
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set picflag ""
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} else {
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# Unfortunately, the gcc argument is -fpic and the cc argument is
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# -KPIC. We have to try both.
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set picflag "-fpic"
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send_log "$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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}
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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 $tmpdir/mainnp.o] {
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unresolved "shared (non PIC)"
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unresolved "shared"
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} else {
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# The shared library is composed of two files. First compile them
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# without using -fpic. That should work on an ELF system,
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# although it will be less efficient because the dynamic linker
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# will need to do more relocation work. However, note that not
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| 217 |
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# using -fpic will cause some of the tests to return different
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# results.
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if { ![ld_compile "$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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| 224 |
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} else {
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# SunOS non PIC shared libraries don't permit some cases of
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# overriding.
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| 227 |
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setup_xfail "*-*-sunos4*"
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| 228 |
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setup_xfail "ia64-*-linux*"
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setup_xfail "alpha*-*-linux*"
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setup_xfail "powerpc64*-*-*"
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if { ![istarget hppa*64*-*-linux*] } {
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setup_xfail "hppa*-*-linux*"
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| 233 |
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}
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| 234 |
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if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
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setup_xfail "sparc*-*-linux*"
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}
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| 237 |
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setup_xfail "x86_64-*-linux*"
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| 238 |
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setup_xfail "s390x-*-linux*"
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| 239 |
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if [ string match $shared_needs_pic "yes" ] {
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| 240 |
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setup_xfail "arm*-*-linux*"
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| 241 |
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}
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| 242 |
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shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared
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| 243 |
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| 244 |
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# Test ELF shared library relocations with a non-zero load
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| 245 |
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# address for the library. Near as I can tell, the R_*_RELATIVE
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| 246 |
|
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# relocations for various targets are broken in the case where
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| 247 |
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# the load address is not zero (which is the default).
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| 248 |
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setup_xfail "*-*-sunos4*"
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| 249 |
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setup_xfail "*-*-linux*libc1"
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| 250 |
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setup_xfail "powerpc*-*-linux*"
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| 251 |
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setup_xfail "ia64-*-linux*"
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| 252 |
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setup_xfail "alpha*-*-linux*"
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| 253 |
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setup_xfail "mips*-*-linux*"
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| 254 |
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if { ![istarget hppa*64*-*-linux*] } {
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| 255 |
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setup_xfail "hppa*-*-linux*"
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| 256 |
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}
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| 257 |
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if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainnp.o] } {
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| 258 |
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setup_xfail "sparc*-*-linux*"
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| 259 |
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}
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| 260 |
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setup_xfail "x86_64-*-linux*"
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| 261 |
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setup_xfail "s390x-*-linux*"
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| 262 |
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if [ string match $shared_needs_pic "yes" ] {
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| 263 |
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setup_xfail "arm*-*-linux*"
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| 264 |
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}
|
| 265 |
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shared_test shnp "shared (non PIC, load offset)" \
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| 266 |
|
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mainnp.o sh1np.o sh2np.o shared \
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| 267 |
|
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"-T $srcdir/$subdir/elf-offset.ld"
|
| 268 |
|
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} }
|
| 269 |
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|
| 270 |
|
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# Now compile the code using -fpic.
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| 271 |
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|
| 272 |
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if { ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o]
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| 273 |
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|| ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh2.c $tmpdir/sh2p.o] } {
|
| 274 |
|
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unresolved "shared"
|
| 275 |
|
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} else {
|
| 276 |
|
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# SunOS can not compare function pointers correctly
|
| 277 |
|
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if [istarget "*-*-sunos4*"] {
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| 278 |
|
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shared_test shp "shared" mainnp.o sh1p.o sh2p.o sun4
|
| 279 |
|
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} else { if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
|
| 280 |
|
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shared_test shp "shared" mainnp.o sh1p.o sh2p.o xcoff
|
| 281 |
|
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} else {
|
| 282 |
|
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shared_test shp "shared" mainnp.o sh1p.o sh2p.o shared
|
| 283 |
|
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ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
|
| 284 |
|
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ld_compile "$CC $CFLAGS -DSYMBOLIC_TEST -DXCOFF_TEST $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
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| 285 |
|
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shared_test shp "shared -Bsymbolic" mainnp.o sh1p.o sh2p.o symbolic "-Bsymbolic"
|
| 286 |
|
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ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o
|
| 287 |
|
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ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/sh1.c $tmpdir/sh1p.o
|
| 288 |
|
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} }
|
| 289 |
|
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}
|
| 290 |
|
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}
|
| 291 |
|
|
|
| 292 |
|
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# Now do the same tests again, but this time compile main.c PIC.
|
| 293 |
|
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if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/mainp.o] {
|
| 294 |
|
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unresolved "shared (PIC main, non PIC so)"
|
| 295 |
|
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unresolved "shared (PIC main)"
|
| 296 |
|
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} else {
|
| 297 |
|
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if { [file exists $tmpdir/sh1np.o ] && [ file exists $tmpdir/sh2np.o ] } {
|
| 298 |
|
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if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
|
| 299 |
|
|
shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o xcoff
|
| 300 |
|
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} else {
|
| 301 |
|
|
# SunOS non PIC shared libraries don't permit some cases of
|
| 302 |
|
|
# overriding.
|
| 303 |
|
|
setup_xfail "*-*-sunos4*"
|
| 304 |
|
|
setup_xfail "ia64-*-linux*"
|
| 305 |
|
|
setup_xfail "alpha*-*-linux*"
|
| 306 |
|
|
setup_xfail "powerpc64*-*-*"
|
| 307 |
|
|
if { ![istarget hppa*64*-*-linux*] } {
|
| 308 |
|
|
setup_xfail "hppa*-*-linux*"
|
| 309 |
|
|
}
|
| 310 |
|
|
if { [istarget sparc*-*-linux*] && [is_elf64 $tmpdir/mainp.o] } {
|
| 311 |
|
|
setup_xfail "sparc*-*-linux*"
|
| 312 |
|
|
}
|
| 313 |
|
|
setup_xfail "x86_64-*-linux*"
|
| 314 |
|
|
setup_xfail "s390x-*-linux*"
|
| 315 |
|
|
if [ string match $shared_needs_pic "yes" ] {
|
| 316 |
|
|
setup_xfail "arm*-*-linux*"
|
| 317 |
|
|
}
|
| 318 |
|
|
shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared
|
| 319 |
|
|
}
|
| 320 |
|
|
} else {
|
| 321 |
|
|
unresolved "shared (PIC main, non PIC so)"
|
| 322 |
|
|
}
|
| 323 |
|
|
|
| 324 |
|
|
if { [file exists $tmpdir/sh1p.o ] && [ file exists $tmpdir/sh2p.o ] } {
|
| 325 |
|
|
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
|
| 326 |
|
|
shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o xcoff
|
| 327 |
|
|
} else {
|
| 328 |
|
|
shared_test shmpp "shared (PIC main)" mainp.o sh1p.o sh2p.o shared
|
| 329 |
|
|
}
|
| 330 |
|
|
} else {
|
| 331 |
|
|
unresolved "shared (PIC main)"
|
| 332 |
|
|
}
|
| 333 |
|
|
}
|
| 334 |
|
|
|
| 335 |
|
|
if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } {
|
| 336 |
|
|
# Remove the temporary directory.
|
| 337 |
|
|
catch "exec rm -rf $tmpdir" exec_status
|
| 338 |
|
|
}
|
