| 1 | # Expect script for ld-gc tests |
| 2 | # Copyright (C) 2008-2019 Free Software Foundation, Inc. |
| 3 | # |
| 4 | # This file is part of the GNU Binutils. |
| 5 | # |
| 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. |
| 10 | # |
| 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. |
| 15 | # |
| 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, |
| 19 | # MA 02110-1301, USA. |
| 20 | |
| 21 | # These tests require --gc-sections |
| 22 | if ![check_gc_sections_available] { |
| 23 | return |
| 24 | } |
| 25 | |
| 26 | set cflags "-ffunction-sections -fdata-sections" |
| 27 | set objfile "tmpdir/gc.o" |
| 28 | |
| 29 | # Add $NOPIE_CFLAGS and $NOPIE_LDFLAGS if non-PIE is required. |
| 30 | global NOPIE_CFLAGS NOPIE_LDFLAGS |
| 31 | |
| 32 | if [istarget powerpc64*-*-*] { |
| 33 | # otherwise with -mcmodel=medium gcc we get XPASSes. |
| 34 | set cflags "$cflags -mminimal-toc" |
| 35 | } |
| 36 | |
| 37 | if { [istarget m681*-*-*] || [istarget m68hc1*-*-*] } { |
| 38 | # Otherwise tests FAIL due to _.frame |
| 39 | set cflags "$cflags -fomit-frame-pointer -mshort" |
| 40 | } |
| 41 | |
| 42 | if { [is_remote host] || [which $CC] != 0 } { |
| 43 | ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile |
| 44 | } |
| 45 | |
| 46 | proc test_gc { testname filename linker ldflags} { |
| 47 | global nm |
| 48 | global srcdir |
| 49 | global subdir |
| 50 | global nm_output |
| 51 | global objfile |
| 52 | |
| 53 | if ![file readable $objfile ] { |
| 54 | untested $testname |
| 55 | return |
| 56 | } |
| 57 | |
| 58 | set outfile "tmpdir/$filename" |
| 59 | set options "-L$srcdir/$subdir" |
| 60 | append options " " $ldflags " " [ld_link_defsyms] " " $objfile |
| 61 | |
| 62 | if ![ld_link $linker $outfile $options] { |
| 63 | fail $testname |
| 64 | return |
| 65 | } |
| 66 | if ![ld_nm $nm "" $outfile] { |
| 67 | unresolved $testname |
| 68 | return |
| 69 | } |
| 70 | if {![info exists nm_output(used_func)] \ |
| 71 | || ![info exists nm_output(used_var)]} { |
| 72 | send_log "used sections do not exist\n" |
| 73 | verbose "used sections do not exist" |
| 74 | fail $testname |
| 75 | return |
| 76 | } |
| 77 | #ppc64_elf_gc_mark_hook needs to be taught how to look through |
| 78 | #the .toc section to properly mark variable sections for gc. |
| 79 | setup_xfail "powerpc64*-*-*" |
| 80 | if {[info exists nm_output(unused_func)] \ |
| 81 | || [info exists nm_output(unused_var)]} { |
| 82 | send_log "unused section still here\n" |
| 83 | verbose "unused section still here" |
| 84 | fail $testname |
| 85 | return |
| 86 | } |
| 87 | pass $testname |
| 88 | } |
| 89 | |
| 90 | test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main" |
| 91 | test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main" |
| 92 | test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main" |
| 93 | test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func" |
| 94 | |
| 95 | run_dump_test "noent" |
| 96 | run_dump_test "abi-note" |
| 97 | run_dump_test "start" |
| 98 | run_dump_test "stop" |
| 99 | run_dump_test "pr19167" |
| 100 | if { [is_elf_format] } then { |
| 101 | run_dump_test "all-debug-sections" |
| 102 | run_dump_test "pr20882" |
| 103 | } |
| 104 | |
| 105 | if { [is_elf_format] && [check_shared_lib_support] } then { |
| 106 | set gasopt "" |
| 107 | if { [istarget tic6x-*] } then { |
| 108 | set gasopt "-mpic -mpid=near" |
| 109 | } |
| 110 | # These targets do not default to linking with shared libraries. |
| 111 | set old_ldflags $LDFLAGS |
| 112 | if { [istarget "mips*vr4100*-*-elf*"] \ |
| 113 | || [istarget "mips*vr4300*-*-elf*"] \ |
| 114 | || [istarget "mips*vr5000*-*-elf*"] } { |
| 115 | append LDFLAGS " -call_shared" |
| 116 | } |
| 117 | if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/libpersonality.s tmpdir/libpersonality.o] |
| 118 | || ![ld_link $ld tmpdir/libpersonality.so "-shared tmpdir/libpersonality.o"] } then { |
| 119 | fail libpersonality |
| 120 | } else { |
| 121 | run_dump_test "personality" |
| 122 | } |
| 123 | run_dump_test "pr18223" |
| 124 | if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/pr20022a.s tmpdir/pr20022a.o] |
| 125 | || ![ld_link $ld tmpdir/pr20022.so "-shared --gc-sections tmpdir/pr20022a.o"] } then { |
| 126 | fail pr20022 |
| 127 | } else { |
| 128 | run_dump_test "pr20022" |
| 129 | } |
| 130 | set LDFLAGS $old_ldflags |
| 131 | } |
| 132 | |
| 133 | if { [is_remote host] || [which $CC] != 0 } { |
| 134 | if { [istarget "*-*-linux*"] |
| 135 | || [istarget "*-*-nacl*"] |
| 136 | || [istarget "*-*-gnu*"] } { |
| 137 | ld_compile "$CC -fPIC $CFLAGS $cflags" $srcdir/$subdir/pr11218-1.c tmpdir/pr11218-1.o |
| 138 | ld_link $ld tmpdir/pr11218-1.so "-shared tmpdir/pr11218-1.o" |
| 139 | ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/pr11218-2.c tmpdir/pr11218-2.o |
| 140 | run_dump_test "pr11218" |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | if { [is_remote host] || [which $CC] != 0 } { |
| 145 | ld_compile "$CC $CFLAGS $cflags" $srcdir/$subdir/pr13683.c tmpdir/pr13683.o |
| 146 | run_dump_test "pr13683" |
| 147 | } |
| 148 | |
| 149 | if { [is_remote host] || [which $CC] != 0 } { |
| 150 | ld_compile "$CC $CFLAGS $cflags $NOPIE_CFLAGS" $srcdir/$subdir/pr14265.c tmpdir/pr14265.o |
| 151 | run_dump_test "pr14265" |
| 152 | } |
| 153 | |
| 154 | if { [is_remote host] || [which $CC] != 0 } { |
| 155 | ld_compile "$CC $CFLAGS $cflags -O0" $srcdir/$subdir/pr19161-1.c tmpdir/pr19161-1.o |
| 156 | ld_compile "$CC $CFLAGS $cflags -O0" $srcdir/$subdir/pr19161-2.c tmpdir/pr19161-2.o |
| 157 | run_dump_test "pr19161" |
| 158 | } |
| 159 | |
| 160 | if { [is_elf_format] && [check_shared_lib_support] \ |
| 161 | && ([is_remote host] || [which $CC] != 0) } { |
| 162 | run_cc_link_tests [list \ |
| 163 | [list \ |
| 164 | "Build libpr20306.so" \ |
| 165 | "-shared" \ |
| 166 | "-fPIC" \ |
| 167 | {pr20306.c} \ |
| 168 | {} \ |
| 169 | "libpr20306.so" \ |
| 170 | ] \ |
| 171 | ] |
| 172 | run_dump_test "pr20306" |
| 173 | } |
| 174 | |
| 175 | if { [is_elf_format] } then { |
| 176 | run_dump_test "skip-map-discarded" |
| 177 | } |