ld/testsuite/ld-gc/gc.exp

   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"