aboutsummaryrefslogtreecommitdiff
path: root/contrib/compare-debug
blob: 6e979e9d7865844fab944b01226199810ace5f34 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
#! /bin/sh

# Compare stripped copies of two given object files.

# Copyright (C) 2007 Free Software Foundation
# Originally by Alexandre Oliva <aoliva@redhat.com>

# This file is part of GCC.

# GCC is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3, or (at your option) any later
# version.

# GCC is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
# License for more details.

# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

rm='rm -f'

case $1 in
-p | --preserve)
  rm='echo preserving'
  shift
  ;;
esac

if test $# != 2; then
  echo 'usage: compare-debug file1.o file2.o' >&2
  exit 1
fi

if test ! -f "$1"; then
  echo "$1" does not exist >&2
  exit 1
fi

if test ! -f "$2"; then
  echo "$2" does not exist >&2
  exit 1
fi

suf1=stripped
while test -f "$1.$suf1"; do
  suf1=$suf1.
done

suf2=stripped
while test -f "$2.$suf2"; do
  suf2=$suf2.
done

trap 'rm -f "$1.$suf1" "$2.$suf2"' 0 1 2 15

cp "$1" "$1.$suf1"
strip "$1.$suf1"

cp "$2" "$2.$suf2"
strip "$2.$suf2"

if cmp "$1.$suf1" "$2.$suf2"; then
  status=0
else
  status=1
fi

$rm "$1.$suf1" "$2.$suf2"

trap "exit $status; exit" 0 1 2 15

exit $status