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julius |
# Expect script for ld-gc tests
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# Copyright 2008, 2009
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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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# These tests require --gc-sections
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if ![check_gc_sections_available] {
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return
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}
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set cflags "-ffunction-sections -fdata-sections"
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set objfile "tmpdir/gc.o"
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if { [is_remote host] || [which $CC] != 0 } {
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ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile
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}
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proc test_gc { testname filename linker ldflags} {
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global nm
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global srcdir
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global subdir
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global nm_output
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global objfile
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if ![file readable $objfile ] {
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untested $testname
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return
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}
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set outfile "tmpdir/$filename"
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set options "-L$srcdir/$subdir"
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append options " " $ldflags " " [ld_simple_link_defsyms] " " $objfile
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# SH64 targets needs an extra ld option for this test.
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if [istarget sh64*-*-*] {
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if [istarget sh64*l*-*-*] {
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set options "-mshlelf32 $options"
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} else {
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set options "-mshelf32 $options"
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}
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}
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if ![ld_simple_link $linker $outfile $options] {
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fail $testname
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return
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}
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if ![ld_nm $nm "" $outfile] {
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unresolved $testname
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return
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}
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if {![info exists nm_output(used_func)] \
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|| ![info exists nm_output(used_var)]} {
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send_log "used sections do not exist\n"
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verbose "used sections do not exist"
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fail $testname
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return
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}
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#ppc64_elf_gc_mark_hook needs to be taught how to look through
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#the .toc section to properly mark variable sections for gc.
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setup_xfail "powerpc64*-*-*"
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if {[info exists nm_output(unused_func)] \
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|| [info exists nm_output(unused_var)]} {
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send_log "unused section still here\n"
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verbose "unused section still here"
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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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test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
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test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
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test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
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test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"
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run_dump_test "noent"
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