1 # Expect script for ld-gc tests
2 # Copyright (C) 2008-2020 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 $NOSANTIZE_CFLAGS"
27 set objfile "tmpdir/gc.o"
29 if [istarget powerpc64*-*-*] {
30 # otherwise with -mcmodel=medium gcc we get XPASSes.
31 set cflags "$cflags -mminimal-toc"
34 if { [istarget m681*-*-*] || [istarget m68hc1*-*-*] } {
35 # Otherwise tests FAIL due to _.frame
36 set cflags "$cflags -fomit-frame-pointer -mshort"
39 if { [check_compiler_available] } {
40 ld_compile "$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 if ![ld_link $linker $outfile $options] {
63 if ![ld_nm $nm "" $outfile] {
67 if {![info exists nm_output(used_func)] \
68 || ![info exists nm_output(used_var)]} {
69 send_log "used sections do not exist\n"
70 verbose "used sections do not exist"
74 #ppc64_elf_gc_mark_hook needs to be taught how to look through
75 #the .toc section to properly mark variable sections for gc.
76 setup_xfail "powerpc64*-*-*"
77 if {[info exists nm_output(unused_func)] \
78 || [info exists nm_output(unused_var)]} {
79 send_log "unused section still here\n"
80 verbose "unused section still here"
87 test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
88 test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
89 test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
90 test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"
93 run_dump_test "abi-note"
96 run_dump_test "pr19167"
97 if { [is_elf_format] } then {
98 run_dump_test "all-debug-sections"
99 run_dump_test "pr20882"
102 if { [is_elf_format] && [check_shared_lib_support] } then {
104 if { [istarget tic6x-*] } then {
105 set gasopt "-mpic -mpid=near"
107 # These targets do not default to linking with shared libraries.
108 set old_ldflags $LDFLAGS
109 if { [istarget "mips*vr4100*-*-elf*"] \
110 || [istarget "mips*vr4300*-*-elf*"] \
111 || [istarget "mips*vr5000*-*-elf*"] } {
112 append LDFLAGS " -call_shared"
114 if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/libpersonality.s tmpdir/libpersonality.o]
115 || ![ld_link $ld tmpdir/libpersonality.so "-shared tmpdir/libpersonality.o"] } then {
118 run_dump_test "personality"
120 run_dump_test "pr18223"
121 if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/pr20022a.s tmpdir/pr20022a.o]
122 || ![ld_link $ld tmpdir/pr20022.so "-shared --gc-sections tmpdir/pr20022a.o"] } then {
125 run_dump_test "pr20022"
127 set LDFLAGS $old_ldflags
130 if { [check_compiler_available] } {
131 if { [istarget "*-*-linux*"]
132 || [istarget "*-*-nacl*"]
133 || [istarget "*-*-gnu*"] } {
134 ld_compile "$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 { [check_compiler_available] } {
142 ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr13683.c tmpdir/pr13683.o
143 run_dump_test "pr13683"
146 if { [check_compiler_available] } {
147 ld_compile "$CC $CFLAGS $cflags $NOPIE_CFLAGS" $srcdir/$subdir/pr14265.c tmpdir/pr14265.o
148 run_dump_test "pr14265"
151 if { [check_compiler_available] } {
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 set saved_LDFLAGS "$LDFLAGS"
155 if [istarget hppa*-*-linux*] {
156 set LDFLAGS "$LDFLAGS --defsym '\$\$dyncall=0'"
158 run_dump_test "pr19161"
159 set LDFLAGS "$saved_LDFLAGS"
162 if { [is_elf_format] && [check_shared_lib_support] \
163 && [check_compiler_available] } {
164 run_cc_link_tests [list \
166 "Build libpr20306.so" \
174 run_dump_test "pr20306"
177 if { [is_elf_format] } then {
178 run_dump_test "skip-map-discarded"