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108 lines
3.3 KiB
Bash
Executable File
108 lines
3.3 KiB
Bash
Executable File
#! /bin/sh
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# Copyright (C) 1998,1999,2001,2003,2004,2006,2007
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# 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 Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the 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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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, write to the Free
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# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# 02111-1307 USA.
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if test $# -eq 0; then
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echo "$0: missing program name" >&2
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echo "Try \`$0 --help' for more information." >&2
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exit 1
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fi
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prog="$1"
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shift
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if test $# -eq 0; then
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case "$prog" 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 "For bug reporting instructions, please see:"
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echo "<http://www.gnu.org/software/libc/bugs.html>."
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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) 2007 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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segv_output=`mktemp ${TMPDIR:-/tmp}/segv_output.XXXXXX` || exit
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# Redirect stderr to avoid termination message from shell.
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(exec 3>&2 2>/dev/null
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LD_PRELOAD=${LD_PRELOAD:+${LD_PRELOAD}:}@SLIB@/libSegFault.so \
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SEGFAULT_USE_ALTSTACK=1 \
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SEGFAULT_OUTPUT_NAME=$segv_output \
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"$prog" ${1+"$@"} 2>&3 3>&-)
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exval=$?
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# Check for output. Even if the program terminated correctly it might
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# be that a minor process (clone) failed. Therefore we do not check the
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# exit code.
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if test -s "$segv_output"; then
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# The program caught a signal. 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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case $prog in
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*/*) ;;
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*)
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old_IFS=$IFS
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IFS=:
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for p in $PATH; do
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test -n "$p" || p=.
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if test -f "$p/$prog"; then
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prog=$p/$prog
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break
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fi
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done
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IFS=$old_IFS
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;;
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esac
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sed '/Backtrace/q' "$segv_output"
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sed '1,/Backtrace/d' "$segv_output" |
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(while read line; do
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line=`echo $line | sed "s@^$prog\\(\\[.*\\)@\1@"`
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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 test $? -eq 0; then
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echo "`echo "$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 "$line"
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;;
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esac
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done)
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fi
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rm -f "$segv_output"
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exit $exval
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