Annotation of sys/sys/core.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: core.h,v 1.3 2003/10/30 21:38:09 jmc 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: /*
60: * A core file consists of a header followed by a number of segments.
61: * Each segment is preceded by a `coreseg' structure giving the
62: * segment's type, the virtual address where the bits resided in
63: * process address space and the size of the segment.
64: *
65: * The core header specifies the lengths of the core header itself and
66: * each of the following core segment headers to allow for any machine
67: * dependent alignment requirements.
68: */
69:
70: struct core {
71: u_int32_t c_midmag; /* magic, id, flags */
72: u_int16_t c_hdrsize; /* Size of this header (machdep algn) */
73: u_int16_t c_seghdrsize; /* Size of a segment header */
74: u_int32_t c_nseg; /* # of core segments */
75: char c_name[MAXCOMLEN+1]; /* Copy of p->p_comm */
76: u_int32_t c_signo; /* Killing signal */
77: u_long c_ucode; /* Hmm ? */
78: u_long c_cpusize; /* Size of machine dependent segment */
79: u_long c_tsize; /* Size of traditional text segment */
80: u_long c_dsize; /* Size of traditional data segment */
81: u_long c_ssize; /* Size of traditional stack segment */
82: };
83:
84: struct coreseg {
85: u_int32_t c_midmag; /* magic, id, flags */
86: u_long c_addr; /* Virtual address of segment */
87: u_long c_size; /* Size of this segment */
88: };
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