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fa44dea1c1
Once the section has been built from the DWARF symbols also add it to the debug kernel. That makes ddb(4) print the correct number of args in function backtraces in such kernel as well. While here make comment fit in 80 columns. ok jasper@
74 lines
1.9 KiB
Bash
74 lines
1.9 KiB
Bash
#!/bin/sh
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#
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# $OpenBSD: ctfstrip,v 1.12 2019/10/15 10:27:25 mpi Exp $
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#
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# Copyright (c) 2017 Martin Pieuchot
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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set -o posix
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cleanup() {
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rm -f ${TMPFILE}
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exit 1
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}
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usage() {
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echo "usage: $(basename $0) [-S] [-o outfile] file" >&2
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exit 1
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}
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trap "cleanup" 1 2 3 13 15
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while getopts So: opt; do
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case $opt in
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S) STRIPFLAG=-g;;
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o) OUTFILE="$OPTARG";;
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\?) usage;;
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esac
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done
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shift $((OPTIND - 1))
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if [ $# -ne 1 ]; then
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usage
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fi
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INFILE="$1"
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LABEL="unknown"
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TMPFILE=$(mktemp /tmp/.ctf.XXXXXXXXXX)
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# Extract kernel version
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if [ -z "${INFILE##bsd*}" ]; then
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LABEL=`what "$INFILE" | sed -n '$s/^ //p'`
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fi
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# If ctfstrip was passed a file that lacks useful debug sections, ctfconv will
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# fail. So try to run ctfconv and silently fallback to plain strip(1) if that
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# failed.
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ctfconv -o ${TMPFILE} -l "${LABEL}" "${INFILE}" 2> /dev/null
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if [ $? -eq 0 ]; then
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objcopy ${STRIPFLAG} \
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--add-section .SUNW_ctf=${TMPFILE} "${INFILE}" ${OUTFILE}
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# Also add CTF data to the debug kernel
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if [ -z "${INFILE##bsd.gdb}" ]; then
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objcopy --add-section .SUNW_ctf=${TMPFILE} "${INFILE}"
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fi
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else
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strip ${STRIPFLAG} ${OUTFILE:+"-o${OUTFILE}"} "${INFILE}"
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fi
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rm -f ${TMPFILE}
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