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      1 /*	$NetBSD: kcore.h,v 1.4 2011/01/18 08:17:39 matt Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996 Leo Weppelman.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 #ifndef _SYS_KCORE_H_
     28 #define	_SYS_KCORE_H_
     29 
     30 /*
     31  * Definitions for the kernel crash-dump format. The structure of
     32  * the files and headers is borrowed from the 'regular' core files
     33  * as described in <sys/core.h>.
     34  */
     35 #define	KCORE_MAGIC	0x8fca
     36 #define	KCORESEG_MAGIC	0x8fac
     37 
     38 /*
     39  * Description of a memory segment. To make this suitable for sharing
     40  * between all architectures, u_quad_t seems to be the necessary type...
     41  */
     42 typedef struct phys_ram_seg {
     43 	u_quad_t	start;		/* Physical start address	*/
     44 	u_quad_t	size;		/* Size in bytes		*/
     45 } phys_ram_seg_t;
     46 
     47 typedef struct kcore_hdr {
     48 	uint32_t	c_midmag;	/* Magic, id, flags		*/
     49 	uint16_t	c_hdrsize;	/* Aligned header size		*/
     50 	uint16_t	c_seghdrsize;	/* Aligned seg-header size	*/
     51 	uint32_t	c_nseg;		/* Number of segments		*/
     52 } kcore_hdr_t;
     53 
     54 typedef struct kcore_seg {
     55 	uint32_t	c_midmag;	/* Magic, id, flags		*/
     56 	uint32_t	c_size;		/* Sizeof this segment		*/
     57 } kcore_seg_t;
     58 
     59 #endif /* _SYS_KCORE_H_ */
     60