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6ce7ab198a
1998-07-16 23:06 Ulrich Drepper <drepper@cygnus.com> * debug/Makefile (distribute): Add sigcontextinfo.h. Add rules to generate and install catchsegv. * debug/catchsegv.sh: New file.
85 lines
2.7 KiB
Bash
Executable File
85 lines
2.7 KiB
Bash
Executable File
#! /bin/sh
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# Copyright (C) 1998 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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# You should have received a copy of the GNU Library General Public
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# License along with the GNU C Library; see the file COPYING.LIB. If not,
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# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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prog="$1"
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shift
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args="$*"
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if test $# -eq 0; then
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case "$args" in
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--h | --he | --hel | --help)
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echo 'Usage: catchsegv PROGRAM ARGS...'
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echo ' --help print this help, then exit'
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echo ' --version print version number, then exit'
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echo "Report bugs using the \`glibcbug' script to <bugs@gnu.org>."
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exit 0
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;;
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--v | --ve | --ver | --vers | --versi | --versio | --version)
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echo 'catchsegv (GNU libc) @VERSION@'
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echo 'Copyright (C) 1998 Free Software Foundation, Inc.
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This is free software; see the source for copying conditions. There is NO
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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Written by Ulrich Drepper.'
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exit 0
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;;
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*)
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;;
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esac
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fi
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LD_PRELOAD="${LD_PRELOAD:+${LD_PRELOAD}:}@SLIB@/libSegFault.so"
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export LD_PRELOAD
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SEGFAULT_USE_ALTSTACK=1
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export SEGFAULT_USE_ALTSTACK
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SEGFAULT_OUTPUT_NAME="$prog.segv.$$"
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export SEGFAULT_OUTPUT_NAME
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$prog $args
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exval=$?
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unset LD_PRELOAD
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# Check for an segmentation fault.
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if test $exval -eq 139; then
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# We caught a segmentation error. The output is in the file with the
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# name we have in SEGFAULT_OUTPUT_NAME. In the output the names of
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# functions in shared objects are available, but names in the static
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# part of the program are not. We use addr2line to get this information.
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(read line; echo "$line"
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read line; echo "$line"
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while read line; do
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case "$line" in
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[*) addr="`echo $line | sed 's/^[\(.*\)]$/\1/'`"
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complete="`addr2line -f -e $prog $addr 2>/dev/null|`"
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if $? -eq 0; then
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echo "`echo $complete|sed 'N;s/\(.*\)\n\(.*\)/\2(\1)/;'`$line"
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else
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echo "$line"
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fi
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;;
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*) echo "$line"
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;;
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esac
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done) < $SEGFAULT_OUTPUT_NAME
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rm $SEGFAULT_OUTPUT_NAME
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fi
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exit $exval
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