1/*	$OpenBSD: kcore.h,v 1.2 2023/01/04 10:59:34 jsg Exp $	*/
2/*	$NetBSD: kcore.h,v 1.1 1996/03/10 21:56:00 leo Exp $	*/
3
4/*
5 * Copyright (c) 1996 Leo Weppelman.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28#ifndef _SYS_KCORE_H_
29#define	_SYS_KCORE_H_
30
31/*
32 * Definitions for the kernel crash-dump format. The structure of
33 * the files and headers is borrowed from the 'regular' core files
34 * as described in <sys/core.h>.
35 */
36#define	KCORE_MAGIC	0x8fca
37#define	KCORESEG_MAGIC	0x8fac
38
39/*
40 * Description of a memory segment. To make this suitable for sharing
41 * between all architectures, u_quad_t seems to be the necessary type...
42 */
43typedef struct {
44	u_quad_t	start;		/* Physical start address	*/
45	u_quad_t	size;		/* Size in bytes		*/
46} phys_ram_seg_t;
47
48typedef struct kcore_hdr {
49	u_int32_t	c_midmag;	/* Magic, id, flags		*/
50	u_int16_t	c_hdrsize;	/* Aligned header size		*/
51	u_int16_t	c_seghdrsize;	/* Aligned seg-header size	*/
52	u_int32_t	c_nseg;		/* Number of segments		*/
53} kcore_hdr_t;
54
55typedef struct kcore_seg {
56	u_int32_t	c_midmag;	/* Magic, id, flags		*/
57	u_int32_t	c_size;		/* Sizeof this segment		*/
58} kcore_seg_t;
59
60#endif /* _SYS_KCORE_H_ */
61