#! /bin/sh
-
-# Copyright (C) 1998 Free Software Foundation, Inc.
+# Copyright (C) 1998-2015 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 Library General Public License as
-# published by the Free Software Foundation; either version 2 of the
-# License, or (at your option) any later version.
+# 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
-# Library General Public License for more details.
+# Lesser General Public License for more details.
-# You should have received a copy of the GNU Library General Public
-# License along with the GNU C Library; see the file COPYING.LIB. If not,
-# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, see
+# <http://www.gnu.org/licenses/>.
+
+if test $# -eq 0; then
+ echo "$0: missing program name" >&2
+ echo "Try \`$0 --help' for more information." >&2
+ exit 1
+fi
prog="$1"
shift
-args="$*"
if test $# -eq 0; then
- case "$args" in
+ case "$prog" in
--h | --he | --hel | --help)
echo 'Usage: catchsegv PROGRAM ARGS...'
echo ' --help print this help, then exit'
echo ' --version print version number, then exit'
- echo "Report bugs using the \`glibcbug' script to <bugs@gnu.org>."
+ echo 'For bug reporting instructions, please see:'
+ cat <<\EOF
+@REPORT_BUGS_TO@.
+EOF
exit 0
;;
--v | --ve | --ver | --vers | --versi | --versio | --version)
- echo 'catchsegv (GNU libc) @VERSION@'
- echo 'Copyright (C) 1998 Free Software Foundation, Inc.
+ echo 'catchsegv @PKGVERSION@@VERSION@'
+ echo 'Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Ulrich Drepper.'
esac
fi
-LD_PRELOAD="${LD_PRELOAD:+${LD_PRELOAD}:}@SLIB@/libSegFault.so"
-export LD_PRELOAD
-SEGFAULT_USE_ALTSTACK=1
-export SEGFAULT_USE_ALTSTACK
-SEGFAULT_OUTPUT_NAME="$prog.segv.$$"
-export SEGFAULT_OUTPUT_NAME
+segv_output=`mktemp ${TMPDIR:-/tmp}/segv_output.XXXXXX` || exit
-$prog $args
+# Redirect stderr to avoid termination message from shell.
+(exec 3>&2 2>/dev/null
+LD_PRELOAD=${LD_PRELOAD:+${LD_PRELOAD}:}@SLIB@/libSegFault.so \
+SEGFAULT_USE_ALTSTACK=1 \
+SEGFAULT_OUTPUT_NAME=$segv_output \
+"$prog" ${1+"$@"} 2>&3 3>&-)
exval=$?
-unset LD_PRELOAD
-# Check for an segmentation fault.
-if test $exval -eq 139; then
- # We caught a segmentation error. The output is in the file with the
+# Check for output. Even if the program terminated correctly it might
+# be that a minor process (clone) failed. Therefore we do not check the
+# exit code.
+if test -s "$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.
- (read line; echo "$line"
- read line; echo "$line"
- while read line; do
+ 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 $? -eq 0; then
- echo "`echo $complete|sed 'N;s/\(.*\)\n\(.*\)/\2(\1)/;'`$line"
- else
- echo "$line"
- fi
- ;;
- *) echo "$line"
- ;;
+ \[*) 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) < $SEGFAULT_OUTPUT_NAME
- rm $SEGFAULT_OUTPUT_NAME
+ done)
fi
+rm -f "$segv_output"
exit $exval