1 /* $NetBSD: core.h,v 1.9 2001/08/20 12:00:54 wiz 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _SYS_CORE_H_ 40 #define _SYS_CORE_H_ 41 42 #define COREMAGIC 0507 43 #define CORESEGMAGIC 0510 44 45 /* 46 * The core structure's c_midmag field (like exec's a_midmag) is a 47 * network-byteorder encoding of this int 48 * FFFFFFmmmmmmmmmmMMMMMMMMMMMMMMMM 49 * Where `F' is 6 bits of flag (currently unused), 50 * `m' is 10 bits of machine-id, and 51 * `M' is 16 bits worth of magic number, ie. COREMAGIC. 52 * The macros below will set/get the needed fields. 53 */ 54 #define CORE_GETMAGIC(c) ( ntohl(((c).c_midmag)) & 0xffff ) 55 #define CORE_GETMID(c) ( (ntohl(((c).c_midmag)) >> 16) & 0x03ff ) 56 #define CORE_GETFLAG(c) ( (ntohl(((c).c_midmag)) >> 26) & 0x03f ) 57 #define CORE_SETMAGIC(c,mag,mid,flag) ( (c).c_midmag = htonl ( \ 58 ( ((flag) & 0x3f) << 26) | \ 59 ( ((mid) & 0x03ff) << 16) | \ 60 ( ((mag) & 0xffff) ) ) ) 61 62 /* Flag definitions */ 63 #define CORE_CPU 1 64 #define CORE_DATA 2 65 #define CORE_STACK 4 66 67 /* 68 * A core file consists of a header followed by a number of segments. 69 * Each segment is preceded by a `coreseg' structure giving the 70 * segment's type, the virtual address where the bits resided in 71 * process address space and the size of the segment. 72 * 73 * The core header specifies the lengths of the core header itself and 74 * each of the following core segment headers to allow for any machine 75 * dependent alignment requirements. 76 */ 77 78 struct core { 79 u_int32_t c_midmag; /* magic, id, flags */ 80 u_int16_t c_hdrsize; /* Size of this header (machdep algn) */ 81 u_int16_t c_seghdrsize; /* Size of a segment header */ 82 u_int32_t c_nseg; /* # of core segments */ 83 char c_name[MAXCOMLEN+1]; /* Copy of p->p_comm */ 84 u_int32_t c_signo; /* Killing signal */ 85 u_long c_ucode; /* Hmm ? */ 86 u_long c_cpusize; /* Size of machine dependent segment */ 87 u_long c_tsize; /* Size of traditional text segment */ 88 u_long c_dsize; /* Size of traditional data segment */ 89 u_long c_ssize; /* Size of traditional stack segment */ 90 }; 91 92 struct coreseg { 93 u_int32_t c_midmag; /* magic, id, flags */ 94 u_long c_addr; /* Virtual address of segment */ 95 u_long c_size; /* Size of this segment */ 96 }; 97 98 /* 99 * 32-bit versions of the above. 100 */ 101 struct core32 { 102 u_int32_t c_midmag; /* magic, id, flags */ 103 u_int16_t c_hdrsize; /* Size of this header (machdep algn) */ 104 u_int16_t c_seghdrsize; /* Size of a segment header */ 105 u_int32_t c_nseg; /* # of core segments */ 106 char c_name[MAXCOMLEN+1]; /* Copy of p->p_comm */ 107 u_int32_t c_signo; /* Killing signal */ 108 u_int c_ucode; /* Hmm ? */ 109 u_int c_cpusize; /* Size of machine dependent segment */ 110 u_int c_tsize; /* Size of traditional text segment */ 111 u_int c_dsize; /* Size of traditional data segment */ 112 u_int c_ssize; /* Size of traditional stack segment */ 113 }; 114 115 struct coreseg32 { 116 u_int32_t c_midmag; /* magic, id, flags */ 117 u_int c_addr; /* Virtual address of segment */ 118 u_int c_size; /* Size of this segment */ 119 }; 120 121 #endif /* !_SYS_CORE_H_ */ 122