1/*	$NetBSD: core.h,v 1.12 2009/08/20 22:07:49 he Exp $	*/
  2
  3/*-
  4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
  5 * All rights reserved.
  6 *
  7 * This code is derived from software contributed to The NetBSD Foundation
  8 * by Paul Kranenburg.
  9 *
 10 * Redistribution and use in source and binary forms, with or without
 11 * modification, are permitted provided that the following conditions
 12 * are met:
 13 * 1. Redistributions of source code must retain the above copyright
 14 *    notice, this list of conditions and the following disclaimer.
 15 * 2. Redistributions in binary form must reproduce the above copyright
 16 *    notice, this list of conditions and the following disclaimer in the
 17 *    documentation and/or other materials provided with the distribution.
 18 *
 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 29 * POSSIBILITY OF SUCH DAMAGE.
 30 */
 31
 32#ifndef _SYS_CORE_H_
 33#define _SYS_CORE_H_
 34
 35#define COREMAGIC	0507
 36#define CORESEGMAGIC	0510
 37
 38/*
 39 * The core structure's c_midmag field (like exec's a_midmag) is a
 40 * network-byteorder encoding of this int
 41 *	FFFFFFmmmmmmmmmmMMMMMMMMMMMMMMMM
 42 * Where `F' is 6 bits of flag (currently unused),
 43 *       `m' is 10 bits of machine-id, and
 44 *       `M' is 16 bits worth of magic number, ie. COREMAGIC.
 45 * The macros below will set/get the needed fields.
 46 */
 47#define	CORE_GETMAGIC(c)  (  ntohl(((c).c_midmag))        & 0xffff )
 48#define	CORE_GETMID(c)    ( (ntohl(((c).c_midmag)) >> 16) & 0x03ff )
 49#define	CORE_GETFLAG(c)   ( (ntohl(((c).c_midmag)) >> 26) & 0x03f  )
 50#define	CORE_SETMAGIC(c,mag,mid,flag) ( (c).c_midmag = htonl ( \
 51			( ((flag) & 0x3f)   << 26) | \
 52			( ((mid)  & 0x03ff) << 16) | \
 53			( ((mag)  & 0xffff)      ) ) )
 54
 55/* Flag definitions */
 56#define CORE_CPU	1
 57#define CORE_DATA	2
 58#define CORE_STACK	4
 59
 60#include <sys/aout_mids.h>
 61
 62/*
 63 * A core file consists of a header followed by a number of segments.
 64 * Each segment is preceded by a `coreseg' structure giving the
 65 * segment's type, the virtual address where the bits resided in
 66 * process address space and the size of the segment.
 67 *
 68 * The core header specifies the lengths of the core header itself and
 69 * each of the following core segment headers to allow for any machine
 70 * dependent alignment requirements.
 71 */
 72
 73struct core {
 74	uint32_t c_midmag;		/* magic, id, flags */
 75	uint16_t c_hdrsize;		/* Size of this header (machdep algn) */
 76	uint16_t c_seghdrsize;		/* Size of a segment header */
 77	uint32_t c_nseg;		/* # of core segments */
 78	char	c_name[MAXCOMLEN+1];	/* Copy of p->p_comm */
 79	uint32_t c_signo;		/* Killing signal */
 80	u_long	c_ucode;		/* Hmm ? */
 81	u_long	c_cpusize;		/* Size of machine dependent segment */
 82	u_long	c_tsize;		/* Size of traditional text segment */
 83	u_long	c_dsize;		/* Size of traditional data segment */
 84	u_long	c_ssize;		/* Size of traditional stack segment */
 85};
 86
 87struct coreseg {
 88	uint32_t c_midmag;		/* magic, id, flags */
 89	u_long	c_addr;			/* Virtual address of segment */
 90	u_long	c_size;			/* Size of this segment */
 91};
 92
 93/*
 94 * 32-bit versions of the above.
 95 */
 96struct core32 {
 97	uint32_t c_midmag;		/* magic, id, flags */
 98	uint16_t c_hdrsize;		/* Size of this header (machdep algn) */
 99	uint16_t c_seghdrsize;		/* Size of a segment header */
100	uint32_t c_nseg;		/* # of core segments */
101	char	c_name[MAXCOMLEN+1];	/* Copy of p->p_comm */
102	uint32_t c_signo;		/* Killing signal */
103	u_int	c_ucode;		/* Hmm ? */
104	u_int	c_cpusize;		/* Size of machine dependent segment */
105	u_int	c_tsize;		/* Size of traditional text segment */
106	u_int	c_dsize;		/* Size of traditional data segment */
107	u_int	c_ssize;		/* Size of traditional stack segment */
108};
109
110struct coreseg32 {
111	uint32_t c_midmag;		/* magic, id, flags */
112	u_int	c_addr;			/* Virtual address of segment */
113	u_int	c_size;			/* Size of this segment */
114};
115
116#endif /* !_SYS_CORE_H_ */