Subversion Repositories openrisc

#!/bin/sh

#   Copyright (C) 2003, 2005, 2007, 2008, 2009, 2010

#   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 3 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, see <http://www.gnu.org/licenses/>.

#

# 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