binutils-gdb/gdb/gdb_gcore.sh

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#!/bin/sh
# Copyright 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
#
# 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
# Initialise return code.
rc=0
# Loop through pids
for pid in $*
do
# Write gdb script for pid $pid.
# Avoid need for temporary files by using funky "here
# document" feature of sh.
/usr/bin/gdb > /dev/null << EOF
attach $pid
gcore $name.$pid
detach
quit
EOF
if [ -r $name.$pid ] ; then
rc=0
else
echo gcore: failed to create $name.$pid
rc=1
break
fi
done
exit $rc