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khays |
# Test handling of weak undefined symbols
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# Copyright 2001, 2002, 2004, 2005, 2007, 2010, 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 undefined symbols"
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# This test only works for ELF targets. It ought to work for some
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# a.out targets, but it doesn't.
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if { ![istarget *-*-sysv4*] \
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&& ![istarget *-*-unixware*] \
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&& ![istarget *-*-elf*] \
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&& ![istarget *-*-eabi*] \
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&& ![istarget hppa*64*-*-hpux*] \
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&& ![istarget *-*-linux*] \
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&& ![istarget *-*-gnu*] \
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&& ![istarget *-*-irix5*] \
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&& ![istarget *-*-irix6*] \
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&& ![is_pecoff_format] \
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&& ![istarget *-*-solaris2*] } then {
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unsupported $testname
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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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unsupported $testname
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return
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}
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# Weak symbols are broken for non-i386 PE targets.
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if {! [istarget i?86-*-*]} {
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setup_xfail *-*-pe*
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}
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setup_xfail pj-*-*
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if {! [ld_assemble $as $srcdir/$subdir/weak-undef.s tmpdir/weak-undef.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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# The linker should accept references to undefined weaks without error,
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# and resolve them to zero.
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set output_regexp \
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".*Contents of section .data:.*0000 00000000 11111111.*"
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if {! [ld_simple_link $ld tmpdir/weak-undef "$flags tmpdir/weak-undef.o -T $srcdir/$subdir/weak-undef.t"] } 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 $testname
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return
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}
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set exec_output [run_host_cmd "$objdump" "-s tmpdir/weak-undef"]
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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 $output_regexp $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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