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1 #! /bin/sh
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2
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3 # Compare stripped copies of two given object files.
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4
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5 # Copyright (C) 2007 Free Software Foundation
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6 # Originally by Alexandre Oliva <aoliva@redhat.com>
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7
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8 # This file is part of GCC.
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9
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10 # GCC is free software; you can redistribute it and/or modify it under
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11 # the terms of the GNU General Public License as published by the Free
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12 # Software Foundation; either version 3, or (at your option) any later
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13 # version.
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14
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15 # GCC is distributed in the hope that it will be useful, but WITHOUT
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16 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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17 # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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18 # License for more details.
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19
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20 # You should have received a copy of the GNU General Public License
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21 # along with GCC; see the file COPYING3. If not see
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22 # <http://www.gnu.org/licenses/>.
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23
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24 rm='rm -f'
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25
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26 case $1 in
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27 -p | --preserve)
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28 rm='echo preserving'
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29 shift
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30 ;;
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31 esac
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32
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33 if test $# != 2; then
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34 echo 'usage: compare-debug file1.o file2.o' >&2
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35 exit 1
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36 fi
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37
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38 if test ! -f "$1"; then
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39 echo "$1" does not exist >&2
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40 exit 1
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41 fi
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42
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43 if test ! -f "$2"; then
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44 echo "$2" does not exist >&2
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45 exit 1
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46 fi
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47
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48 suf1=stripped
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49 while test -f "$1.$suf1"; do
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50 suf1=$suf1.
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51 done
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52
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53 suf2=stripped
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54 while test -f "$2.$suf2"; do
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55 suf2=$suf2.
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56 done
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57
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58 trap 'rm -f "$1.$suf1" "$2.$suf2"' 0 1 2 15
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59
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60 cp "$1" "$1.$suf1"
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61 strip "$1.$suf1"
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62
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63 cp "$2" "$2.$suf2"
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64 strip "$2.$suf2"
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65
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66 if cmp "$1.$suf1" "$2.$suf2"; then
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67 status=0
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68 else
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69 status=1
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70 fi
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71
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72 $rm "$1.$suf1" "$2.$suf2"
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73
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74 trap "exit $status; exit" 0 1 2 15
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75
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76 exit $status
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