#!/bin/sh # Copyright (C) 2003, 2005, 2007 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program 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 General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, # Boston, MA 02110-1301, USA. # # gcore.sh # Script to generate a core file of a running program. # It starts up gdb, attaches to the given PID and invokes the gcore command. # if [ "$#" -eq "0" ] then echo "usage: gcore [-o filename] pid" exit 2 fi # Need to check for -o option, but set default basename to "core". name=core if [ "$1" = "-o" ] then if [ "$#" -lt "3" ] then # Not enough arguments. echo "usage: gcore [-o filename] pid" exit 2 fi name=$2 # Shift over to start of pid list shift; shift fi # Create a temporary file. Use mktemp if available, but cope if it is not. tmpfile=`mktemp ${name}.XXXXXX 2>/dev/null` || { tmpfile=${name}.$$ if test -e $tmpfile; then echo "Could not create temporary file $tmpfile" exit 1 fi touch $tmpfile } trap "rm -f $tmpfile" EXIT # Initialise return code. rc=0 # Loop through pids for pid in $* do # Write gdb script for pid $pid. cat >>$tmpfile <<EOF attach $pid gcore $name.$pid detach quit EOF gdb -x $tmpfile -batch if [ -r $name.$pid ] ; then rc=0 else echo gcore: failed to create $name.$pid rc=1 break fi done exit $rc