gcc/libbacktrace/install-debuginfo-for-buildid.sh.in
Tom de Vries fddbc19325 [libbacktrace] Add test-cases exercising build-id and dwz
Add test-cases b2test_buildid and b3test_dwz_buildid.

The last one triggers the segfault fixed by "[backtrace] Avoid segfault"
( r268275 ).

2019-01-29  Tom de Vries  <tdevries@suse.de>

	* install-debuginfo-for-buildid.sh.in: New script.
	* Makefile.am (check_PROGRAMS): Add b2test and b3test.
	(TESTS): Add b2test_buildid and b3test_dwz_buildid.
	* Makefile.in: Regenerate.
	* configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
	(READELF): Set with AC_CHECK_PROG.
	(install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
	* configure: Regenerate.
	* elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
	(elf_open_debugfile_by_buildid): ... here.

From-SVN: r268369
2019-01-29 16:25:46 +00:00

66 lines
2.0 KiB
Bash

#!/bin/sh
# install-debug-info-for-buildid.sh -- Helper script for libbacktrace library
# testing.
# Copyright (C) 2019 Free Software Foundation, Inc.
# 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="$2"
buildid=$($readelf -n $src \
| $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