| 1 | # Expect script for ld-gc tests |
| 2 | # Copyright 2008, 2009 |
| 3 | # Free Software Foundation, Inc. |
| 4 | # |
| 5 | # This file is part of the GNU Binutils. |
| 6 | # |
| 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. |
| 11 | # |
| 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. |
| 16 | # |
| 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, |
| 20 | # MA 02110-1301, USA. |
| 21 | |
| 22 | # These tests require --gc-sections |
| 23 | if ![check_gc_sections_available] { |
| 24 | return |
| 25 | } |
| 26 | |
| 27 | set cflags "-ffunction-sections -fdata-sections" |
| 28 | set objfile "tmpdir/gc.o" |
| 29 | |
| 30 | if { [is_remote host] || [which $CC] != 0 } { |
| 31 | ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile |
| 32 | } |
| 33 | |
| 34 | proc test_gc { testname filename linker ldflags} { |
| 35 | global nm |
| 36 | global srcdir |
| 37 | global subdir |
| 38 | global nm_output |
| 39 | global objfile |
| 40 | |
| 41 | if ![file readable $objfile ] { |
| 42 | untested $testname |
| 43 | return |
| 44 | } |
| 45 | |
| 46 | set outfile "tmpdir/$filename" |
| 47 | set options "-L$srcdir/$subdir" |
| 48 | append options " " $ldflags " " [ld_simple_link_defsyms] " " $objfile |
| 49 | |
| 50 | # SH64 targets needs an extra ld option for this test. |
| 51 | if [istarget sh64*-*-*] { |
| 52 | if [istarget sh64*l*-*-*] { |
| 53 | set options "-mshlelf32 $options" |
| 54 | } else { |
| 55 | set options "-mshelf32 $options" |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | if ![ld_simple_link $linker $outfile $options] { |
| 60 | fail $testname |
| 61 | return |
| 62 | } |
| 63 | if ![ld_nm $nm "" $outfile] { |
| 64 | unresolved $testname |
| 65 | return |
| 66 | } |
| 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" |
| 71 | fail $testname |
| 72 | return |
| 73 | } |
| 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" |
| 81 | fail $testname |
| 82 | return |
| 83 | } |
| 84 | pass $testname |
| 85 | } |
| 86 | |
| 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" |
| 91 | |
| 92 | run_dump_test "noent" |