Retro68/gcc/libbacktrace/install-debuginfo-for-buildid.sh.in

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2019-06-02 15:48:37 +00:00
#!/bin/sh
# install-debug-info-for-buildid.sh -- Helper script for libbacktrace library
# testing.
# Copyright (C) 2019-2022 Free Software Foundation, Inc.
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# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# (1) Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# (2) Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# (3) The name of the author may not be used to
# endorse or promote products derived from this software without
# specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# Extract build-id from src, and copy debug info of src to
# $build_id_dir/aa/bb...zz.debug.
set -e
sed=@SED@
awk=@AWK@
grep=@GREP@
objcopy=@OBJCOPY@
readelf=@READELF@
mkdir_p="@MKDIR_P@"
build_id_dir="$1"
src="$2"
buildid=$(LANG=C $readelf -n $src \
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| $grep "Build ID" \
| $awk '{print $3}')
prefix=$(echo $buildid \
| $sed 's/^\(.\{2\}\).*/\1/')
remainder=$(echo $buildid \
| $sed 's/^.\{2\}//')
dir=$build_id_dir/$prefix
dst=$dir/$remainder.debug
$mkdir_p $dir
$objcopy --only-keep-debug $src $dst