1: #! /bin/sh
    2: # Copyright (C) 1998,1999,2001,2003,2004,2006,2007
    3: # Free Software Foundation, Inc.
    4: # This file is part of the GNU C Library.
    5: # Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
    6: 
    7: # The GNU C Library is free software; you can redistribute it and/or
    8: # modify it under the terms of the GNU Lesser General Public
    9: # License as published by the Free Software Foundation; either
   10: # version 2.1 of the License, or (at your option) any later version.
   11: 
   12: # The GNU C Library is distributed in the hope that it will be useful,
   13: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   14: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   15: # Lesser General Public License for more details.
   16: 
   17: # You should have received a copy of the GNU Lesser General Public
   18: # License along with the GNU C Library; if not, write to the Free
   19: # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   20: # 02111-1307 USA.
   21: 
   22: if test $# -eq 0; then
   23:   echo "$0: missing program name" >&2
   24:   echo "Try \`$0 --help' for more information." >&2
   25:   exit 1
   26: fi
   27: 
   28: prog="$1"
   29: shift
   30: 
   31: if test $# -eq 0; then
   32:   case "$prog" in
   33:     --h | --he | --hel | --help)
   34:       echo 'Usage: catchsegv PROGRAM ARGS...'
   35:       echo '  --help      print this help, then exit'
   36:       echo '  --version   print version number, then exit'
   37:       echo "For bug reporting instructions, please see:"
   38:       echo "<http://www.gnu.org/software/libc/bugs.html>."
   39:       exit 0
   40:       ;;
   41:     --v | --ve | --ver | --vers | --versi | --versio | --version)
   42:       echo 'catchsegv (GNU libc) @VERSION@'
   43:       echo 'Copyright (C) 2007 Free Software Foundation, Inc.
   44: This is free software; see the source for copying conditions.  There is NO
   45: warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   46: Written by Ulrich Drepper.'
   47:       exit 0
   48:       ;;
   49:     *)
   50:       ;;
   51:   esac
   52: fi
   53: 
   54: segv_output=`mktemp ${TMPDIR:-/tmp}/segv_output.XXXXXX` || exit
   55: 
   56: # Redirect stderr to avoid termination message from shell.
   57: (exec 3>&2 2>/dev/null
   58: LD_PRELOAD=${LD_PRELOAD:+${LD_PRELOAD}:}@SLIB@/libSegFault.so \
   59: SEGFAULT_USE_ALTSTACK=1 \
   60: SEGFAULT_OUTPUT_NAME=$segv_output \
   61: "$prog" ${1+"$@"} 2>&3 3>&-)
   62: exval=$?
   63: 
   64: # Check for output.  Even if the program terminated correctly it might
   65: # be that a minor process (clone) failed.  Therefore we do not check the
   66: # exit code.
   67: if test -s "$segv_output"; then
   68:   # The program caught a signal.  The output is in the file with the
   69:   # name we have in SEGFAULT_OUTPUT_NAME.  In the output the names of
   70:   # functions in shared objects are available, but names in the static
   71:   # part of the program are not.  We use addr2line to get this information.
   72:   case $prog in
   73:   */*) ;;
   74:   *)
   75:     old_IFS=$IFS
   76:     IFS=:
   77:     for p in $PATH; do
   78:       test -n "$p" || p=.
   79:       if test -f "$p/$prog"; then
   80:         prog=$p/$prog
   81:       break
   82:       fi
   83:     done
   84:     IFS=$old_IFS
   85:     ;;
   86:   esac
   87:   sed '/Backtrace/q' "$segv_output"
   88:   sed '1,/Backtrace/d' "$segv_output" |
   89:   (while read line; do
   90:      line=`echo $line | sed "s@^$prog\\(\\[.*\\)@\1@"`
   91:      case "$line" in
   92:        \[*) addr=`echo "$line" | sed 's/^\[\(.*\)\]$/\1/'`
   93:             complete=`addr2line -f -e "$prog" $addr 2>/dev/null`
   94:             if test $? -eq 0; then
   95:               echo "`echo "$complete"|sed 'N;s/\(.*\)\n\(.*\)/\2(\1)/;'`$line"
   96:             else
   97:               echo "$line"
   98:             fi
   99:             ;;
  100:          *) echo "$line"
  101:             ;;
  102:      esac
  103:    done)
  104: fi
  105: rm -f "$segv_output"
  106: 
  107: exit $exval