1 /* $OpenBSD: kvm_private.h,v 1.4 1996/05/10 12:58:33 deraadt Exp $ */ 2 /* $NetBSD: kvm_private.h,v 1.7 1996/05/05 04:32:15 gwr Exp $ */ 3 4 /*- 5 * Copyright (c) 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software developed by the Computer Systems 9 * Engineering group at Lawrence Berkeley Laboratory under DARPA contract 10 * BG 91-66 and contributed to Berkeley. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)kvm_private.h 8.1 (Berkeley) 6/4/93 41 */ 42 43 struct __kvm { 44 /* 45 * a string to be prepended to error messages 46 * provided for compatibility with sun's interface 47 * if this value is null, errors are saved in errbuf[] 48 */ 49 const char *program; 50 char *errp; /* XXX this can probably go away */ 51 char errbuf[_POSIX2_LINE_MAX]; 52 DB *db; 53 #define ISALIVE(kd) ((kd)->vmfd >= 0) 54 int pmfd; /* physical memory file (or crashdump) */ 55 int vmfd; /* virtual memory file (-1 if crashdump) */ 56 int swfd; /* swap file (e.g., /dev/drum) */ 57 int nlfd; /* namelist file (e.g., /vmunix) */ 58 struct kinfo_proc *procbase; 59 int nbpg; /* page size */ 60 char *swapspc; /* (dynamic) storage for swapped pages */ 61 char *argspc, *argbuf; /* (dynamic) storage for argv strings */ 62 int arglen; /* length of the above */ 63 char **argv; /* (dynamic) storage for argv pointers */ 64 int argc; /* length of above (not actual # present) */ 65 66 /* 67 * Header structures for kernel dumps. Only gets filled in for 68 * dead kernels. 69 */ 70 struct kcore_hdr *kcore_hdr; 71 size_t cpu_dsize; 72 void *cpu_data; 73 off_t dump_off; /* Where the actual dump starts */ 74 75 /* 76 * Kernel virtual address translation state. This only gets filled 77 * in for dead kernels; otherwise, the running kernel (i.e. kmem) 78 * will do the translations for us. It could be big, so we 79 * only allocate it if necessary. 80 */ 81 struct vmstate *vmst; /* XXX: should become obsoleted */ 82 /* 83 * These kernel variables are used for looking up user addresses, 84 * and are cached for efficiency. 85 */ 86 struct pglist *vm_page_buckets; 87 int vm_page_hash_mask; 88 }; 89 90 /* 91 * Functions used internally by kvm, but across kvm modules. 92 */ 93 void _kvm_err __P((kvm_t *kd, const char *program, const char *fmt, ...)); 94 int _kvm_dump_mkheader __P((kvm_t *kd_live, kvm_t *kd_dump)); 95 void _kvm_freeprocs __P((kvm_t *kd)); 96 void _kvm_freevtop __P((kvm_t *)); 97 int _kvm_initvtop __P((kvm_t *)); 98 int _kvm_kvatop __P((kvm_t *, u_long, u_long *)); 99 void *_kvm_malloc __P((kvm_t *kd, size_t)); 100 off_t _kvm_pa2off __P((kvm_t *, u_long)); 101 void *_kvm_realloc __P((kvm_t *kd, void *, size_t)); 102 void _kvm_syserr 103 __P((kvm_t *kd, const char *program, const char *fmt, ...)); 104