| 1 | # Expect script for ld-gc tests |
| 2 | # Copyright 2008 |
| 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 | ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile |
| 31 | |
| 32 | proc test_gc { testname filename linker ldflags} { |
| 33 | global nm |
| 34 | global srcdir |
| 35 | global subdir |
| 36 | global nm_output |
| 37 | global objfile |
| 38 | |
| 39 | set outfile "tmpdir/$filename" |
| 40 | |
| 41 | if ![ld_simple_link $linker $outfile "-L$srcdir/$subdir $ldflags $objfile"] { |
| 42 | fail $testname |
| 43 | return |
| 44 | } |
| 45 | if ![ld_nm $nm "" $outfile] { |
| 46 | unresolved $testname |
| 47 | return |
| 48 | } |
| 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" |
| 53 | fail $testname |
| 54 | return |
| 55 | } |
| 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" |
| 60 | fail $testname |
| 61 | return |
| 62 | } |
| 63 | pass $testname |
| 64 | } |
| 65 | |
| 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" |
| 70 | |
| 71 | run_dump_test "noent" |