66 lines
2.5 KiB
Plaintext
66 lines
2.5 KiB
Plaintext
# $NetBSD: msgbuf,v 1.5 2008/04/30 13:10:59 martin Exp $
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#
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# Copyright (c) 2000 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# This code is derived from software contributed to The NetBSD Foundation
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# by John A. Hawkinson
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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define msgbuf
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set $bufx=*(long*)((char *)msgbufp+1*sizeof(long))
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set $bufr=*(long*)((char *)msgbufp+2*sizeof(long))
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set $bufs=*(long*)((char *)msgbufp+3*sizeof(long))
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printf "msgbufp %#x: bufx %d bufr %d bufs %d\n", msgbufp, $bufx, $bufr, $bufs
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# Dump the unread section
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# set $l = $bufx - $bufr
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# if ($l < 0)
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# set $l = $bufs - $bufr
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# end
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# set $p = (long)msgbufp+4*sizeof(long)+$bufr
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# set print elements $l
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# x/s $p
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# Dump the whole thing
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# Presume each section is null-terminated. Possibly bad presumption?
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set $p = (long)msgbufp+4*sizeof(long)+$bufx
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set $l = $bufs - $bufx
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set print elements $l
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printf "Dumping %#x length %d\n", $p, $l
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# XXX (unsupported by gdb): printf "%.*s\n", $l, $p
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printf "%s\n", $p
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set $p = (long)msgbufp+4*sizeof(long)
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set $l = $bufx
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set print elements $l
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printf "Dumping %#x length %d\n", $p, $l
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# XXX (unsupported by gdb): printf "%.*s\n\n", $l, $p
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printf "%s\n\n", $p
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end
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document msgbuf
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Dump the kernel message buffer.
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end
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