1/* $OpenBSD: core.h,v 1.9 2024/01/17 22:22:25 kurt Exp $ */
2/* $NetBSD: core.h,v 1.4 1994/10/29 08:20:14 cgd Exp $ */
3
4/*
5 * Copyright (c) 1994 Paul Kranenburg
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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Paul Kranenburg.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#define COREMAGIC 0507
35#define CORESEGMAGIC 0510
36
37/*
38 * The core structure's c_midmag field (like exec's a_midmag) is a
39 * network-byteorder encoding of this int
40 * FFFFFFmmmmmmmmmmMMMMMMMMMMMMMMMM
41 * Where `F' is 6 bits of flag (currently unused),
42 * `m' is 10 bits of machine-id, and
43 * `M' is 16 bits worth of magic number, ie. COREMAGIC.
44 * The macros below will set/get the needed fields.
45 */
46#define CORE_GETMAGIC(c) ( ntohl(((c).c_midmag)) & 0xffff )
47#define CORE_GETMID(c) ( (ntohl(((c).c_midmag)) >> 16) & 0x03ff )
48#define CORE_GETFLAG(c) ( (ntohl(((c).c_midmag)) >> 26) & 0x03f )
49#define CORE_SETMAGIC(c,mag,mid,flag) ( (c).c_midmag = htonl ( \
50 ( ((flag) & 0x3f) << 26) | \
51 ( ((mid) & 0x03ff) << 16) | \
52 ( ((mag) & 0xffff) ) ) )
53
54/* Flag definitions */
55#define CORE_CPU 1
56#define CORE_DATA 2
57#define CORE_STACK 4
58
59#ifndef _KERNEL
60/*
61 * XXX OBSOLETE, NO LONGER USED
62 * XXX This header file exists to support binutils' netbsd-core format
63 * XXX which is still needed for the a.out-m88k-openbsd use in luna88k
64 * XXX boot block creation.
65 *
66 * A core file consists of a header followed by a number of segments.
67 * Each segment is preceded by a `coreseg' structure giving the
68 * segment's type, the virtual address where the bits resided in
69 * process address space and the size of the segment.
70 *
71 * The core header specifies the lengths of the core header itself and
72 * each of the following core segment headers to allow for any machine
73 * dependent alignment requirements.
74 */
75
76struct core {
77 u_int32_t c_midmag; /* magic, id, flags */
78 u_int16_t c_hdrsize; /* Size of this header (machdep algn) */
79 u_int16_t c_seghdrsize; /* Size of a segment header */
80 u_int32_t c_nseg; /* # of core segments */
81 char c_name[_MAXCOMLEN]; /* Copy of p->p_comm, incl NUL */
82 u_int32_t c_signo; /* Killing signal */
83 u_long c_ucode; /* Hmm ? */
84 u_long c_cpusize; /* Size of machine dependent segment */
85 u_long c_tsize; /* Size of traditional text segment */
86 u_long c_dsize; /* Size of traditional data segment */
87 u_long c_ssize; /* Size of traditional stack segment */
88};
89
90struct coreseg {
91 u_int32_t c_midmag; /* magic, id, flags */
92 u_long c_addr; /* Virtual address of segment */
93 u_long c_size; /* Size of this segment */
94};
95
96#else
97int coredump_write(void *, enum uio_seg, const void *, size_t, int);
98void coredump_unmap(void *, vaddr_t, vaddr_t);
99#endif