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# Expect script for ld-gc tests
# Copyright 2008, 2009, 2010
# 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.
# These tests require --gc-sections
if ![check_gc_sections_available] {
return
}
set cflags "-ffunction-sections -fdata-sections"
set objfile "tmpdir/gc.o"
if [istarget powerpc64*-*-*] {
# otherwise with -mcmodel=medium gcc we get XPASSes.
set cflags "$cflags -mminimal-toc"
}
if { [is_remote host] || [which $CC] != 0 } {
ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile
}
proc test_gc { testname filename linker ldflags} {
global nm
global srcdir
global subdir
global nm_output
global objfile
if ![file readable $objfile ] {
untested $testname
return
}
set outfile "tmpdir/$filename"
set options "-L$srcdir/$subdir"
append options " " $ldflags " " [ld_simple_link_defsyms] " " $objfile
# SH64 targets needs an extra ld option for this test.
if [istarget sh64*-*-*] {
if [istarget sh64*l*-*-*] {
set options "-mshlelf32 $options"
} else {
set options "-mshelf32 $options"
}
}
if ![ld_simple_link $linker $outfile $options] {
fail $testname
return
}
if ![ld_nm $nm "" $outfile] {
unresolved $testname
return
}
if {![info exists nm_output(used_func)] \
|| ![info exists nm_output(used_var)]} {
send_log "used sections do not exist\n"
verbose "used sections do not exist"
fail $testname
return
}
#ppc64_elf_gc_mark_hook needs to be taught how to look through
#the .toc section to properly mark variable sections for gc.
setup_xfail "powerpc64*-*-*"
if {[info exists nm_output(unused_func)] \
|| [info exists nm_output(unused_var)]} {
send_log "unused section still here\n"
verbose "unused section still here"
fail $testname
return
}
pass $testname
}
test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"
run_dump_test "noent"
run_dump_test "abi-note"
run_dump_test "start"
if { [is_remote host] || [which $CC] != 0 } {
if { [istarget "*-*-linux*"]
|| [istarget "*-*-gnu*"] } {
ld_compile "$CC -fPIC $CFLAGS $cflags" $srcdir/$subdir/pr11218-1.c tmpdir/pr11218-1.o
ld_simple_link $ld tmpdir/pr11218-1.so "-shared tmpdir/pr11218-1.o"
ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/pr11218-2.c tmpdir/pr11218-2.o
run_dump_test "pr11218"
}
}
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