1 /** $MirOS: src/lib/libkvm/kvm_private.h,v 1.4 2013/10/31 20:06:32 tg Exp $ */ 2 /* $OpenBSD: kvm_private.h,v 1.9 2004/01/07 02:16:33 millert Exp $ */ 3 /* $NetBSD: kvm_private.h,v 1.7 1996/05/05 04:32:15 gwr Exp $ */ 4 5 /*- 6 * Copyright © 2013 7 * Thorsten “mirabilos” Glaser <tg@mirbsd.org> 8 * Copyright (c) 1992, 1993 9 * The Regents of the University of California. All rights reserved. 10 * 11 * This code is derived from software developed by the Computer Systems 12 * Engineering group at Lawrence Berkeley Laboratory under DARPA contract 13 * BG 91-66 and contributed to Berkeley. 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 3. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * @(#)kvm_private.h 8.1 (Berkeley) 6/4/93 40 */ 41 42 struct __kvm { 43 /* 44 * a string to be prepended to error messages 45 * provided for compatibility with sun's interface 46 * if this value is null, errors are saved in errbuf[] 47 */ 48 const char *program; 49 char *errp; /* XXX this can probably go away */ 50 char errbuf[_POSIX2_LINE_MAX]; 51 DB *db; 52 int pmfd; /* physical memory file (or crashdump) */ 53 int vmfd; /* virtual memory file (-1 if crashdump) */ 54 int swfd; /* swap file (e.g., /dev/drum) */ 55 int nlfd; /* namelist file (e.g., /vmunix) */ 56 FILE *nl_f; /* stdio access to nlfd if required */ 57 struct kinfo_proc *procbase; 58 struct kinfo_proc2 *procbase2; 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 int alive; /* Dead or alive. */ 89 #define ISALIVE(kd) ((kd)->alive) 90 }; 91 92 /* 93 * Functions used internally by kvm, but across kvm modules. 94 */ 95 void _kvm_err(kvm_t *kd, const char *program, const char *fmt, ...) 96 __attribute__((__format__(__printf__, 3, 4))); 97 int _kvm_dump_mkheader(kvm_t *kd_live, kvm_t *kd_dump); 98 void _kvm_freeprocs(kvm_t *kd); 99 void _kvm_freevtop(kvm_t *); 100 int _kvm_initvtop(kvm_t *); 101 int _kvm_kvatop(kvm_t *, u_long, u_long *); 102 void *_kvm_malloc(kvm_t *kd, size_t); 103 off_t _kvm_pa2off(kvm_t *, u_long); 104 void *_kvm_realloc(kvm_t *kd, void *, size_t); 105 void _kvm_syserr 106 (kvm_t *kd, const char *program, const char *fmt, ...); 107 ssize_t _kvm_pread 108 (kvm_t *, int, void *, size_t, off_t); 109 ssize_t _kvm_pwrite 110 (kvm_t *, int, void *, size_t, off_t); 111