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https://github.com/darlinghq/darling-gdb.git
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87 lines
1.9 KiB
Bash
Executable File
87 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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# Copyright 2003, 2005 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 2 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, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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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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