| 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 | |
| 73 | struct 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 | |
| 87 | struct 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 | */ |
| 96 | struct 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 | |
| 110 | struct 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_ */ |
| 117 | |