contrib/compare-debug

   1 #! /bin/sh
   2
   3 # Compare stripped copies of two given object files.
   4
   5 # Copyright (C) 2007 Free Software Foundation
   6 # Originally by Alexandre Oliva <aoliva@redhat.com>
   7
   8 # This file is part of GCC.
   9
  10 # GCC is free software; you can redistribute it and/or modify it under
  11 # the terms of the GNU General Public License as published by the Free
  12 # Software Foundation; either version 3, or (at your option) any later
  13 # version.
  14
  15 # GCC is distributed in the hope that it will be useful, but WITHOUT
  16 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  17 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  18 # License for more details.
  19
  20 # You should have received a copy of the GNU General Public License
  21 # along with GCC; see the file COPYING3.  If not see
  22 # <http://www.gnu.org/licenses/>.
  23
  24 if test $# != 2; then
  25   echo 'usage: compare-debug file1.o file2.o' >&2
  26   exit 1
  27 fi
  28
  29 if test ! -f "$1"; then
  30   echo "$1" does not exist >&2
  31   exit 1
  32 fi
  33
  34 if test ! -f "$2"; then
  35   echo "$2" does not exist >&2
  36   exit 1
  37 fi
  38
  39 suf1=stripped
  40 while test -f "$1.$suf1"; do
  41   suf1=$suf1.
  42 done
  43
  44 suf2=stripped
  45 while test -f "$2.$suf2"; do
  46   suf2=$suf2.
  47 done
  48
  49 trap 'rm -f "$1.$suf1" "$2.$suf2"' 0 1 2 15
  50
  51 cp "$1" "$1.$suf1"
  52 strip "$1.$suf1"
  53
  54 cp "$2" "$2.$suf2"
  55 strip "$2.$suf2"
  56
  57 if cmp "$1.$suf1" "$2.$suf2"; then
  58   status=0
  59 else
  60   status=1
  61 fi
  62
  63 rm -f "$1.$suf1" "$2.$suf2"
  64
  65 trap "exit $status; exit" 0 1 2 15
  66
  67 exit $status