1#!/bin/sh -
2#
3# Copyright 2004 John-Mark Gurney
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD$
28
29crashpath="/var/crash"
30kld_debpy="kld_deb.py"
31
32if [ x"$1" = x"-?" -o x"$1" = x"-h" ]; then
33	echo "Usage: $0 <corenum> [ <gdbcmdfile> [ <modulepaths> ] ]"
34	echo ""
35	echo "Path for crash dumps: $crashpath"
36	exit 1
37fi
38
39if [ x"$1" = x"" ]; then
40	echo "Need core number."
41	exit 1
42fi
43corenum="$1"
44shift
45
46cmd_file=""
47if [ x"$2" != x"" ]; then
48	cmd_file="-x $2"
49	shift
50fi
51
52core="$crashpath/vmcore.$corenum"
53info="$crashpath/info.$corenum"
54
55#Get the kernel source compile dir from the info file
56kernsrc="`awk 'i == 1 { split($0, a, ":"); print a[2]; i = 0 } $1 == "Versionstring:" { i = 1 }' < "$info"`"
57
58tmpfile="/tmp/kgdb.asf.$$"
59# -mapped (broken?)
60# -x command_file
61echo "Kernel Source:	$kernsrc"
62echo "Getting KLD information and locations..."
63python $kld_debpy "$kernsrc" "$core" $@ > "$tmpfile" &&
64echo "Please run the following command to load module symbols:"
65echo "source $tmpfile"
66(cd "$kernsrc"; kgdb "$kernsrc/kernel.debug" "$core")
67rm "$tmpfile"
68