FreeBSD/Linux Kernel Cross Reference
sys/sys/kcore.h
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 */
43 typedef struct {
44 u_quad_t start; /* Physical start address */
45 u_quad_t size; /* Size in bytes */
46 } phys_ram_seg_t;
47
48 typedef 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
55 typedef 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_ */
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