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# Test weak symbols.
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# By Ian Lance Taylor, Cygnus Solutions.
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# Copyright 1999, 2000, 2002, 2004, 2005, 2006, 2007, 2009, 2011
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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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set testname "weak symbols"
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# This test only works for ELF targets and some PE targets.
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# It ought to work for some a.out targets, but it doesn't.
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if {! [is_elf_format] && ! [is_pecoff_format]} {
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unsupported $testname
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return
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}
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# Weak symbols are broken for most PE targets.
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if {! [istarget i?86-*-*] && ! [istarget sh-*-*]} {
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setup_xfail *-*-pe*
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}
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# hppa64 and or32 are incredibly broken
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setup_xfail hppa64-*-* or32-*-*
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if {! [ld_assemble $as $srcdir/$subdir/weak1.s tmpdir/weak1.o]
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|| ! [ld_assemble $as $srcdir/$subdir/weak2.s tmpdir/weak2.o]} then {
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# It's OK if .weak doesn't work on this target.
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unresolved $testname
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return
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}
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global LDFLAGS
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set saved_LDFLAGS "$LDFLAGS"
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if [istarget "x86_64-*-mingw*"] then {
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set LDFLAGS "$LDFLAGS --image-base 0"
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}
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set weak_regexp_big \
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".*Contents of section .text:.*1000 00001008 0000200c 12121212 34343434.*Contents of section .data:.*2000 00001008 0000200c 56565656 78787878.*"
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set weak_regexp_little \
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".*Contents of section .text:.*1000 08100000 0c200000 12121212 34343434.*Contents of section .data:.*2000 08100000 0c200000 56565656 78787878.*"
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if {! [ld_simple_link $ld tmpdir/weak "$flags -T $srcdir/$subdir/weak.t tmpdir/weak1.o tmpdir/weak2.o"] } then {
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fail $testname
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} else {
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if {![is_remote host] && [which $objdump] == 0} then {
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unresolved $testname
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set LDFLAGS "$saved_LDFLAGS"
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return
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}
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set exec_output [run_host_cmd "$objdump" "-s tmpdir/weak"]
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set exec_output [prune_warnings $exec_output]
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verbose -log $exec_output
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if {[regexp $weak_regexp_big $exec_output] \
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|| [regexp $weak_regexp_little $exec_output] } then {
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pass $testname
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} else {
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fail $testname
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}
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}
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set LDFLAGS "$saved_LDFLAGS"
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