3 # Copyright 2004 John-Mark Gurney
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
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.
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
29 crashpath="/var/crash"
30 kld_debpy="kld_deb.py"
32 if [ x"$1" = x"-?" -o x"$1" = x"-h" ]; then
33 echo "Usage: $0 <corenum> [ <gdbcmdfile> [ <modulepaths> ] ]"
35 echo "Path for crash dumps: $crashpath"
39 if [ x"$1" = x"" ]; then
40 echo "Need core number."
47 if [ x"$2" != x"" ]; then
52 core="$crashpath/vmcore.$corenum"
53 info="$crashpath/info.$corenum"
55 #Get the kernel source compile dir from the info file
56 kernsrc="`awk 'i == 1 { split($0, a, ":"); print a[2]; i = 0 } $1 == "Versionstring:" { i = 1 }' < "$info"`"
58 tmpfile="/tmp/kgdb.asf.$$"
61 echo "Kernel Source: $kernsrc"
62 echo "Getting KLD information and locations..."
63 python $kld_debpy "$kernsrc" "$core" $@ > "$tmpfile" &&
64 gdb $cmd_file -x "$tmpfile" -k -cd "$kernsrc" -s "$kernsrc/kernel.debug" -e "$kernsrc/kernel" -c "$core"