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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [gdb_gcore.sh] - Blame information for rev 281

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1 227 jeremybenn
#!/bin/sh
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#   Copyright (C) 2003, 2005, 2007, 2008, 2009, 2010
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#   Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.
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#
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# gcore.sh
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# Script to generate a core file of a running program.
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# It starts up gdb, attaches to the given PID and invokes the gcore command.
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#
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if [ "$#" -eq "0" ]
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then
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    echo "usage:  gcore [-o filename] pid"
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    exit 2
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fi
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# Need to check for -o option, but set default basename to "core".
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name=core
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if [ "$1" = "-o" ]
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then
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    if [ "$#" -lt "3" ]
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    then
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        # Not enough arguments.
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        echo "usage:  gcore [-o filename] pid"
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        exit 2
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    fi
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    name=$2
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    # Shift over to start of pid list
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    shift; shift
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fi
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# Create a temporary file.  Use mktemp if available, but cope if it is not.
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tmpfile=`mktemp ${name}.XXXXXX 2>/dev/null` || {
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  tmpfile=${name}.$$
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  if test -e $tmpfile; then
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    echo "Could not create temporary file $tmpfile"
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    exit 1
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  fi
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  touch $tmpfile
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}
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trap "rm -f $tmpfile" EXIT
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# Initialise return code.
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rc=0
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# Loop through pids
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for pid in $*
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do
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        # Write gdb script for pid $pid.
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        cat >>$tmpfile <<EOF
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attach $pid
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gcore $name.$pid
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detach
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quit
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EOF
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        gdb -x $tmpfile -batch
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        if [ -r $name.$pid ] ; then
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            rc=0
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        else
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            echo gcore: failed to create $name.$pid
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            rc=1
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            break
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        fi
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done
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exit $rc

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