1 # Expect script for ld-gc tests
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 ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile
32 proc test_gc { testname filename linker ldflags} {
39 set outfile "tmpdir/$filename"
41 if ![ld_simple_link $linker $outfile "-L$srcdir/$subdir $ldflags $objfile"] {
45 if ![ld_nm $nm "" $outfile] {
49 if {![info exists nm_output(used_func)] \
50 || ![info exists nm_output(used_var)]} {
51 send_log "used sections do not exist\n"
52 verbose "used sections do not exist"
56 if {[info exists nm_output(unused_func)] \
57 || [info exists nm_output(unused_var)]} {
58 send_log "unused section still here\n"
59 verbose "unused section still here"
66 test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
67 test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
68 test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
69 test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"