| # Test weak symbols. |
| # By Ian Lance Taylor, Cygnus Solutions. |
| # Copyright (C) 1999-2016 Free Software Foundation, Inc. |
| # |
| # This file is part of the GNU Binutils. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write to the Free Software |
| # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| # MA 02110-1301, USA. |
| |
| set testname "weak symbols" |
| |
| # This test only works for ELF targets and some PE targets. |
| # It ought to work for some a.out targets, but it doesn't. |
| if {! [is_elf_format] && ! [is_pecoff_format]} { |
| unsupported $testname |
| return |
| } |
| |
| # Weak symbols are broken for most PE targets. |
| if {! [istarget i?86-*-*] && ! [istarget sh-*-*]} { |
| setup_xfail *-*-pe* |
| } |
| |
| # hppa64 is incredibly broken |
| setup_xfail hppa64-*-* |
| |
| if {! [ld_assemble $as $srcdir/$subdir/weak1.s tmpdir/weak1.o] |
| || ! [ld_assemble $as $srcdir/$subdir/weak2.s tmpdir/weak2.o]} then { |
| # It's OK if .weak doesn't work on this target. |
| unresolved $testname |
| return |
| } |
| |
| global LDFLAGS |
| set saved_LDFLAGS "$LDFLAGS" |
| if [istarget "x86_64-*-mingw*"] then { |
| set LDFLAGS "$LDFLAGS --image-base 0" |
| } |
| |
| set weak_regexp_big \ |
| ".*Contents of section .text:.*1000 00001008 0000200c 12121212 34343434.*Contents of section .data:.*2000 00001008 0000200c 56565656 78787878.*" |
| |
| set weak_regexp_little \ |
| ".*Contents of section .text:.*1000 08100000 0c200000 12121212 34343434.*Contents of section .data:.*2000 08100000 0c200000 56565656 78787878.*" |
| |
| if {! [ld_simple_link $ld tmpdir/weak "$flags -T $srcdir/$subdir/weak.t tmpdir/weak1.o tmpdir/weak2.o"] } then { |
| fail $testname |
| } else { |
| if {![is_remote host] && [which $objdump] == 0} then { |
| unresolved $testname |
| set LDFLAGS "$saved_LDFLAGS" |
| return |
| } |
| |
| set exec_output [run_host_cmd "$objdump" "-s tmpdir/weak"] |
| set exec_output [prune_warnings $exec_output] |
| verbose -log $exec_output |
| |
| if {[regexp $weak_regexp_big $exec_output] \ |
| || [regexp $weak_regexp_little $exec_output] } then { |
| pass $testname |
| } else { |
| fail $testname |
| } |
| } |
| |
| set LDFLAGS "$saved_LDFLAGS" |