1 /* $OpenBSD: core.h,v 1.8 2022/02/22 17:14:13 deraadt Exp $ */ 2 /* $NetBSD: core.h,v 1.4 1994/10/29 08:20:14 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1994 Paul Kranenburg 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Paul Kranenburg. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #define COREMAGIC 0507 35 #define CORESEGMAGIC 0510 36 37 /* 38 * The core structure's c_midmag field (like exec's a_midmag) is a 39 * network-byteorder encoding of this int 40 * FFFFFFmmmmmmmmmmMMMMMMMMMMMMMMMM 41 * Where `F' is 6 bits of flag (currently unused), 42 * `m' is 10 bits of machine-id, and 43 * `M' is 16 bits worth of magic number, ie. COREMAGIC. 44 * The macros below will set/get the needed fields. 45 */ 46 #define CORE_GETMAGIC(c) ( ntohl(((c).c_midmag)) & 0xffff ) 47 #define CORE_GETMID(c) ( (ntohl(((c).c_midmag)) >> 16) & 0x03ff ) 48 #define CORE_GETFLAG(c) ( (ntohl(((c).c_midmag)) >> 26) & 0x03f ) 49 #define CORE_SETMAGIC(c,mag,mid,flag) ( (c).c_midmag = htonl ( \ 50 ( ((flag) & 0x3f) << 26) | \ 51 ( ((mid) & 0x03ff) << 16) | \ 52 ( ((mag) & 0xffff) ) ) ) 53 54 /* Flag definitions */ 55 #define CORE_CPU 1 56 #define CORE_DATA 2 57 #define CORE_STACK 4 58 59 #ifndef _KERNEL 60 /* 61 * XXX OBSOLETE, NO LONGER USED 62 * XXX This header file exists to support binutils' netbsd-core format 63 * XXX which is still needed for the a.out-m88k-openbsd use in luna88k 64 * XXX boot block creation. 65 * 66 * A core file consists of a header followed by a number of segments. 67 * Each segment is preceded by a `coreseg' structure giving the 68 * segment's type, the virtual address where the bits resided in 69 * process address space and the size of the segment. 70 * 71 * The core header specifies the lengths of the core header itself and 72 * each of the following core segment headers to allow for any machine 73 * dependent alignment requirements. 74 */ 75 76 struct core { 77 u_int32_t c_midmag; /* magic, id, flags */ 78 u_int16_t c_hdrsize; /* Size of this header (machdep algn) */ 79 u_int16_t c_seghdrsize; /* Size of a segment header */ 80 u_int32_t c_nseg; /* # of core segments */ 81 char c_name[_MAXCOMLEN]; /* Copy of p->p_comm, incl NUL */ 82 u_int32_t c_signo; /* Killing signal */ 83 u_long c_ucode; /* Hmm ? */ 84 u_long c_cpusize; /* Size of machine dependent segment */ 85 u_long c_tsize; /* Size of traditional text segment */ 86 u_long c_dsize; /* Size of traditional data segment */ 87 u_long c_ssize; /* Size of traditional stack segment */ 88 }; 89 90 struct coreseg { 91 u_int32_t c_midmag; /* magic, id, flags */ 92 u_long c_addr; /* Virtual address of segment */ 93 u_long c_size; /* Size of this segment */ 94 }; 95 96 #else 97 int coredump_write(void *, enum uio_seg, const void *, size_t); 98 void coredump_unmap(void *, vaddr_t, vaddr_t); 99 #endif 100