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#! /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/>.
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
if test -f "$1".stripped; then
echo "$1".stripped already exists, overwriting >&2
exit 1
fi
if test -f "$2".stripped; then
echo "$2".stripped already exists, overwriting >&2
exit 1
fi
trap 'rm -f "$1".stripped "$2".stripped' 0 1 2 15
cp "$1" "$1".stripped
strip "$1".stripped
cp "$2" "$2".stripped
strip "$2".stripped
if cmp "$1".stripped "$2".stripped; then
status=0
else
status=1
fi
rm -f "$1".stripped "$2".stripped
trap "exit $status; exit" 0 1 2 15
exit $status
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