1 # Expect script for ld-gc tests
2 # Copyright (C) 2008-2017 Free Software Foundation, Inc.
4 # This file is part of the GNU Binutils.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 # These tests require --gc-sections
22 if ![check_gc_sections_available] {
26 set cflags "-ffunction-sections -fdata-sections"
27 set objfile "tmpdir/gc.o"
29 if [istarget powerpc64*-*-*] {
30 # otherwise with -mcmodel=medium gcc we get XPASSes.
31 set cflags "$cflags -mminimal-toc"
34 if { [istarget m681*-*-*] || [istarget m68hc1*-*-*] } {
35 # Otherwise tests FAIL due to _.frame
36 set cflags "$cflags -fomit-frame-pointer -mshort"
39 if { [is_remote host] || [which $CC] != 0 } {
40 ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile
43 proc test_gc { testname filename linker ldflags} {
50 if ![file readable $objfile ] {
55 set outfile "tmpdir/$filename"
56 set options "-L$srcdir/$subdir"
57 append options " " $ldflags " " [ld_link_defsyms] " " $objfile
59 # SH64 targets needs an extra ld option for this test.
60 if [istarget sh64*-*-*] {
61 if [istarget sh64*l*-*-*] {
62 set options "-mshlelf32 $options"
64 set options "-mshelf32 $options"
68 if ![ld_link $linker $outfile $options] {
72 if ![ld_nm $nm "" $outfile] {
76 if {![info exists nm_output(used_func)] \
77 || ![info exists nm_output(used_var)]} {
78 send_log "used sections do not exist\n"
79 verbose "used sections do not exist"
83 #ppc64_elf_gc_mark_hook needs to be taught how to look through
84 #the .toc section to properly mark variable sections for gc.
85 setup_xfail "powerpc64*-*-*"
86 if {[info exists nm_output(unused_func)] \
87 || [info exists nm_output(unused_var)]} {
88 send_log "unused section still here\n"
89 verbose "unused section still here"
96 test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
97 test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
98 test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
99 test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"
101 run_dump_test "noent"
102 run_dump_test "abi-note"
103 run_dump_test "start"
104 run_dump_test "pr19167"
105 if { [is_elf_format] } then {
106 run_dump_test "all-debug-sections"
107 run_dump_test "pr20882"
110 if { [is_elf_format] && [check_shared_lib_support] } then {
112 if { [istarget tic6x-*] } then {
113 set gasopt "-mpic -mpid=near"
115 if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/libpersonality.s tmpdir/libpersonality.o]
116 || ![ld_link $ld tmpdir/libpersonality.so "-shared tmpdir/libpersonality.o"] } then {
119 run_dump_test "personality"
121 run_dump_test "pr18223"
122 if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/pr20022a.s tmpdir/pr20022a.o]
123 || ![ld_link $ld tmpdir/pr20022.so "-shared --gc-sections tmpdir/pr20022a.o"] } then {
126 run_dump_test "pr20022"
130 if { [is_remote host] || [which $CC] != 0 } {
131 if { [istarget "*-*-linux*"]
132 || [istarget "*-*-nacl*"]
133 || [istarget "*-*-gnu*"] } {
134 ld_compile "$CC -fPIC $CFLAGS $cflags" $srcdir/$subdir/pr11218-1.c tmpdir/pr11218-1.o
135 ld_link $ld tmpdir/pr11218-1.so "-shared tmpdir/pr11218-1.o"
136 ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/pr11218-2.c tmpdir/pr11218-2.o
137 run_dump_test "pr11218"
141 if { [is_remote host] || [which $CC] != 0 } {
142 ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr13683.c tmpdir/pr13683.o
143 run_dump_test "pr13683"
146 if { [is_remote host] || [which $CC] != 0 } {
147 ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr14265.c tmpdir/pr14265.o
148 run_dump_test "pr14265"
151 if { [is_remote host] || [which $CC] != 0 } {
152 ld_compile "$CC $CFLAGS $cflags -O0" $srcdir/$subdir/pr19161-1.c tmpdir/pr19161-1.o
153 ld_compile "$CC $CFLAGS $cflags -O0" $srcdir/$subdir/pr19161-2.c tmpdir/pr19161-2.o
154 run_dump_test "pr19161"
157 if { [is_elf_format] && [check_shared_lib_support] \
158 && ([is_remote host] || [which $CC] != 0) } {
159 run_cc_link_tests [list \
161 "Build libpr20306.so" \
169 run_dump_test "pr20306"