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|
#!/bin/sh
#
# $OpenBSD: ctfstrip,v 1.8 2017/08/15 15:48:10 jasper Exp $
#
# Copyright (c) 2017 Martin Pieuchot
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
set -o posix
cleanup() {
rm -f ${TMPFILE}
exit 1
}
trap "cleanup" 1 2 3 13 15
USAGE="usage: ${0##*/} [-S] [-o outfile] file"
for arg in "$@"; do
if [ -n "$OSET" ]; then
OUTFILE="$arg"
unset OSET
shift
continue
fi
case "$arg" in
-o) OSET=1; shift; continue;;
-S) STRIPFLAG=-g; shift; continue;;
esac
shift
set -- "$@" "$arg"
INFILE="$arg"
done
if [ $# -eq 0 ]; then
echo "${USAGE}" >&2
exit 1
fi
LABEL="unknown"
TMPFILE=$(mktemp /tmp/.ctf.XXXXXXXXXX)
# Extract kernel version
if [ -z "${INFILE##bsd*}" ]; then
LABEL=`what "$INFILE" | sed -n '$s/^ //p'`
fi
# If ctfstrip was passed a file that lacks useful debug sections, ctfconv will fail.
# So try to run ctfconv and silently fallback to plain strip(1) if that failed.
ctfconv -o ${TMPFILE} -l "${LABEL}" "${INFILE}" 2> /dev/null
if [ $? -eq 0 ]; then
objcopy --add-section .SUNW_ctf=${TMPFILE} ${STRIPFLAG} "${INFILE}" "${OUTFILE}"
else
strip ${STRIPFLAG} -o "${OUTFILE}" "$@"
fi
rm -f ${TMPFILE}
|
