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- #! /bin/sh
- # Copyright (C) 1998,1999,2001,2003,2004,2006,2007,2008,2009
- # Free Software Foundation, Inc.
- # This file is part of the GNU C Library.
- # Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
-
- # The GNU C Library is free software; you can redistribute it and/or
- # modify it under the terms of the GNU Lesser General Public
- # License as published by the Free Software Foundation; either
- # version 2.1 of the License, or (at your option) any later version.
-
- # The GNU C Library is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- # Lesser General Public License for more details.
-
- # You should have received a copy of the GNU Lesser General Public
- # License along with the GNU C Library; if not, write to the Free
- # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- # 02111-1307 USA.
-
- if test $# -eq 0; then
- echo "$0: missing program name" >&2
- echo "Try \`$0 --help' for more information." >&2
- exit 1
- fi
-
- prog="$1"
- shift
-
- if test $# -eq 0; then
- case "$prog" in
- --h | --he | --hel | --help)
- echo 'Usage: catchsegv PROGRAM ARGS...'
- echo ' --help print this help, then exit'
- echo ' --version print version number, then exit'
- echo "For bug reporting instructions, please see:"
- echo "<http://www.eglibc.org/issues/>."
- exit 0
- ;;
- --v | --ve | --ver | --vers | --versi | --versio | --version)
- echo 'catchsegv (EGLIBC) 2.10.1'
- echo 'Copyright (C) 2009 Free Software Foundation, Inc.
- This is free software; see the source for copying conditions. There is NO
- warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- Written by Ulrich Drepper.'
- exit 0
- ;;
- *)
- ;;
- esac
- fi
-
- segv_output=`mktemp ${TMPDIR:-/tmp}/segv_output.XXXXXX` || exit
-
- # Redirect stderr to avoid termination message from shell.
- (exec 3>&2 2>/dev/null
- LD_PRELOAD=${LD_PRELOAD:+${LD_PRELOAD}:}/\$LIB/libSegFault.so \
- SEGFAULT_USE_ALTSTACK=1 \
- SEGFAULT_OUTPUT_NAME=$segv_output \
- "$prog" ${1+"$@"} 2>&3 3>&-)
- exval=$?
-
- # Check for output. Even if the program terminated correctly it might
- # be that a minor process (clone) failed. Therefore we do not check the
- # exit code.
- if test -s "$segv_output"; then
- # The program caught a signal. The output is in the file with the
- # name we have in SEGFAULT_OUTPUT_NAME. In the output the names of
- # functions in shared objects are available, but names in the static
- # part of the program are not. We use addr2line to get this information.
- case $prog in
- */*) ;;
- *)
- old_IFS=$IFS
- IFS=:
- for p in $PATH; do
- test -n "$p" || p=.
- if test -f "$p/$prog"; then
- prog=$p/$prog
- break
- fi
- done
- IFS=$old_IFS
- ;;
- esac
- sed '/Backtrace/q' "$segv_output"
- sed '1,/Backtrace/d' "$segv_output" |
- (while read line; do
- line=`echo $line | sed "s@^$prog\\(\\[.*\\)@\1@"`
- case "$line" in
- \[*) addr=`echo "$line" | sed 's/^\[\(.*\)\]$/\1/'`
- complete=`addr2line -f -e "$prog" $addr 2>/dev/null`
- if test $? -eq 0; then
- echo "`echo "$complete"|sed 'N;s/\(.*\)\n\(.*\)/\2(\1)/;'`$line"
- else
- echo "$line"
- fi
- ;;
- *) echo "$line"
- ;;
- esac
- done)
- fi
- rm -f "$segv_output"
-
- exit $exval
-