1 /* $NetBSD: kcore.h,v 1.4 2008/04/28 20:23:36 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1996 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 /* 33 * The layout of a kernel core on the dump device is as follows: 34 * a `struct kcore_seg' of type CORE_CPU 35 * a `struct cpu_kcore_hdr' 36 * an array of `cpu_kcore_hdr.nmemseg' phys_ram_seg_t's 37 * an array of `cpu_kcore_hdr.nsegmap' segmap structures 38 * an array of `cpu_kcore_hdr.npmegs' PTEs (zero of these on sun4ms). 39 */ 40 41 typedef struct cpu_kcore_hdr { 42 int cputype; /* CPU type associated with this dump */ 43 u_long kernbase; /* copy of KERNBASE goes here */ 44 int nmemseg; /* # of physical memory segments */ 45 u_long memsegoffset; /* start of memseg array (relative */ 46 /* to the start of this header) */ 47 int nsegmap; /* # of segmaps following */ 48 u_long segmapoffset; /* start of segmap array (relative */ 49 /* to the start of this header) */ 50 int npmeg; /* # of PMEGs; [sun4/sun4c] only */ 51 u_long pmegoffset; /* start of pmeg array (relative */ 52 /* to the start of this header) */ 53 } cpu_kcore_hdr_t; 54