diff options
| author | jhawk <jhawk@NetBSD.org> | 2000-06-08 14:45:24 +0000 |
|---|---|---|
| committer | jhawk <jhawk@NetBSD.org> | 2000-06-08 14:45:24 +0000 |
| commit | 59f702f7620992b13f816dfcf2618bbd4911f0fd (patch) | |
| tree | 852197967e786e7b448fd021dbce735d9a084c9e /sys/gdbscripts | |
| parent | 12db2d59912d66e63d704e0251249c5bbf5db9f8 (diff) | |
gdb macro to print the kernel message buffer
Diffstat (limited to 'sys/gdbscripts')
| -rw-r--r-- | sys/gdbscripts/msgbuf | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sys/gdbscripts/msgbuf b/sys/gdbscripts/msgbuf new file mode 100644 index 00000000000..db2f797a2c0 --- /dev/null +++ b/sys/gdbscripts/msgbuf @@ -0,0 +1,72 @@ +# $NetBSD: msgbuf,v 1.1 2000/06/08 14:45:24 jhawk Exp $ +# +# Copyright (c) 2000 The NetBSD Foundation, Inc. +# All rights reserved. +# +# This code is derived from software contributed to The NetBSD Foundation +# by John A. Hawkinson +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. All advertising materials mentioning features or use of this software +# must display the following acknowledgement: +# This product includes software developed by the NetBSD +# Foundation, Inc. and its contributors. +# 4. Neither the name of The NetBSD Foundation nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS +# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS +# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# + +define msgbuf + set $bufx=*(long*)(msgbufp+1*sizeof(long)) + set $bufr=*(long*)(msgbufp+2*sizeof(long)) + set $bufs=*(long*)(msgbufp+3*sizeof(long)) + + printf "msgbufp %#x: bufx %d bufr %d bufs %d\n", msgbufp, $bufx, $bufr, $bufs + +# Dump the unread section +# set $l = $bufx - $bufr +# if ($l < 0) +# set $l = $bufs - $bufr +# end +# set $p = (long)msgbufp+4*sizeof(long)+$bufr +# set print elements $l +# x/s $p + +# Dump the whole thing +# Presume each section is null-terminated. Possibly bad presumption? + set $p = (long)msgbufp+4*sizeof(long)+$bufx + set $l = $bufs - $bufx + set print elements $l + printf "Dumping %#x length %d\n", $p, $l + # XXX (unsupported by gdb): printf "%.*s\n", $l, $p + printf "%s\n", $p + set $p = (long)msgbufp+4*sizeof(long) + set $l = $bufx + set print elements $l + printf "Dumping %#x length %d\n", $p, $l + # XXX (unsupported by gdb): printf "%.*s\n\n", $l, $p + printf "%s\n\n", $p +end + +document msgbuf + Dump the kernel message buffer. +end |
