1#!/bin/sh
2
3#   Copyright 2003  Free Software Foundation, Inc.
4
5# This program is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 2 of the License, or
8# (at your option) any later version.
9# 
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14# 
15# You should have received a copy of the GNU General Public License
16# along with this program; if not, write to the Free Software
17# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
18
19# Please email any bugs, comments, and/or additions to this file to:
20# bug-gdb@prep.ai.mit.edu
21
22#
23# gcore.sh
24# Script to generate a core file of a running program.
25# It starts up gdb, attaches to the given PID and invokes the gcore command.
26#
27
28if [ "$#" -eq "0" ]
29then
30    echo "usage:  gcore [-o filename] pid"
31    exit 2
32fi
33
34# Need to check for -o option, but set default basename to "core".
35name=core
36
37if [ "$1" = "-o" ]
38then
39    if [ "$#" -lt "3" ]
40    then
41	# Not enough arguments.
42	echo "usage:  gcore [-o filename] pid"
43	exit 2
44    fi
45    name=$2
46
47    # Shift over to start of pid list
48    shift; shift
49fi
50
51# Initialise return code.
52rc=0
53
54# Loop through pids
55for pid in $*
56do
57	# Write gdb script for pid $pid.  
58
59	# Avoid need for temporary files by using funky "here
60	# document" feature of sh.
61
62	/usr/bin/gdb > /dev/null << EOF
63	attach $pid
64	gcore $name.$pid
65	detach
66	quit
67EOF
68
69	if [ -r $name.$pid ] ; then 
70	    rc=0
71	else
72	    echo gcore: failed to create $name.$pid
73	    rc=1
74	    break
75	fi
76
77
78done
79
80exit $rc
81
82