1 # Expect script for ld-gc tests
2 # Copyright 2008, 2009, 2010
3 # Free Software Foundation, Inc.
5 # This file is part of the GNU Binutils.
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 # These tests require --gc-sections
23 if ![check_gc_sections_available] {
27 set cflags "-ffunction-sections -fdata-sections"
28 set objfile "tmpdir/gc.o"
30 if [istarget powerpc64*-*-*] {
31 # otherwise with -mcmodel=medium gcc we get XPASSes.
32 set cflags "$cflags -mminimal-toc"
35 if { [is_remote host] || [which $CC] != 0 } {
36 ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile
39 proc test_gc { testname filename linker ldflags} {
46 if ![file readable $objfile ] {
51 set outfile "tmpdir/$filename"
52 set options "-L$srcdir/$subdir"
53 append options " " $ldflags " " [ld_simple_link_defsyms] " " $objfile
55 # SH64 targets needs an extra ld option for this test.
56 if [istarget sh64*-*-*] {
57 if [istarget sh64*l*-*-*] {
58 set options "-mshlelf32 $options"
60 set options "-mshelf32 $options"
64 if ![ld_simple_link $linker $outfile $options] {
68 if ![ld_nm $nm "" $outfile] {
72 if {![info exists nm_output(used_func)] \
73 || ![info exists nm_output(used_var)]} {
74 send_log "used sections do not exist\n"
75 verbose "used sections do not exist"
79 #ppc64_elf_gc_mark_hook needs to be taught how to look through
80 #the .toc section to properly mark variable sections for gc.
81 setup_xfail "powerpc64*-*-*"
82 if {[info exists nm_output(unused_func)] \
83 || [info exists nm_output(unused_var)]} {
84 send_log "unused section still here\n"
85 verbose "unused section still here"
92 test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
93 test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
94 test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
95 test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"
98 run_dump_test "abi-note"
101 if { [is_elf_format] && [check_shared_lib_support] } then {
103 if { [istarget tic6x-*] } then {
104 set gasopt "-mpic -mpid=near"
106 if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/libpersonality.s tmpdir/libpersonality.o]
107 || ![ld_simple_link $ld tmpdir/libpersonality.so "-shared tmpdir/libpersonality.o"] } then {
110 run_dump_test "personality"
114 if { [is_remote host] || [which $CC] != 0 } {
115 if { [istarget "*-*-linux*"]
116 || [istarget "*-*-gnu*"] } {
117 ld_compile "$CC -fPIC $CFLAGS $cflags" $srcdir/$subdir/pr11218-1.c tmpdir/pr11218-1.o
118 ld_simple_link $ld tmpdir/pr11218-1.so "-shared tmpdir/pr11218-1.o"
119 ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/pr11218-2.c tmpdir/pr11218-2.o
120 run_dump_test "pr11218"
124 if { [is_remote host] || [which $CC] != 0 } {
125 ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr13683.c tmpdir/pr13683.o
126 run_dump_test "pr13683"