Annotation of sys/sys/core.h, Revision 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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