1 /* $NetBSD: kvm_private.h,v 1.10 2000/10/04 16:11:27 sommerfeld Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software developed by the Computer Systems 8 * Engineering group at Lawrence Berkeley Laboratory under DARPA contract 9 * BG 91-66 and contributed to Berkeley. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. 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 char alive; /* live kernel? */ 57 struct kinfo_proc *procbase; 58 struct kinfo_proc2 *procbase2; 59 u_long usrstack; /* address of end of user stack */ 60 u_long min_uva, max_uva; /* min/max user virtual address */ 61 int nbpg; /* page size */ 62 char *swapspc; /* (dynamic) storage for swapped pages */ 63 char *argspc, *argbuf; /* (dynamic) storage for argv strings */ 64 int arglen; /* length of the above */ 65 char **argv; /* (dynamic) storage for argv pointers */ 66 int argc; /* length of above (not actual # present) */ 67 68 /* 69 * Header structures for kernel dumps. Only gets filled in for 70 * dead kernels. 71 */ 72 struct kcore_hdr *kcore_hdr; 73 size_t cpu_dsize; 74 void *cpu_data; 75 off_t dump_off; /* Where the actual dump starts */ 76 77 /* 78 * Kernel virtual address translation state. This only gets filled 79 * in for dead kernels; otherwise, the running kernel (i.e. kmem) 80 * will do the translations for us. It could be big, so we 81 * only allocate it if necessary. 82 */ 83 struct vmstate *vmst; /* XXX: should become obsoleted */ 84 /* 85 * These kernel variables are used for looking up user addresses, 86 * and are cached for efficiency. 87 */ 88 struct pglist *vm_page_buckets; 89 int vm_page_hash_mask; 90 }; 91 92 /* Levels of aliveness */ 93 #define KVM_ALIVE_DEAD 0 /* dead, working from core file */ 94 #define KVM_ALIVE_FILES 1 /* alive, working from open kmem/drum */ 95 #define KVM_ALIVE_SYSCTL 2 /* alive, sysctl-type calls only */ 96 97 #define ISALIVE(kd) ((kd)->alive != KVM_ALIVE_DEAD) 98 #define ISKMEM(kd) ((kd)->alive == KVM_ALIVE_FILES) 99 #define ISSYSCTL(kd) ((kd)->alive == KVM_ALIVE_SYSCTL || ISKMEM(kd)) 100 101 /* 102 * Functions used internally by kvm, but across kvm modules. 103 */ 104 void _kvm_err __P((kvm_t *kd, const char *program, const char *fmt, ...)) 105 __attribute__((__format__(__printf__, 3, 4))); 106 int _kvm_dump_mkheader __P((kvm_t *kd_live, kvm_t *kd_dump)); 107 void _kvm_freeprocs __P((kvm_t *kd)); 108 void _kvm_freevtop __P((kvm_t *)); 109 int _kvm_mdopen __P((kvm_t *)); 110 int _kvm_initvtop __P((kvm_t *)); 111 int _kvm_kvatop __P((kvm_t *, u_long, u_long *)); 112 void *_kvm_malloc __P((kvm_t *kd, size_t)); 113 off_t _kvm_pa2off __P((kvm_t *, u_long)); 114 void *_kvm_realloc __P((kvm_t *kd, void *, size_t)); 115 void _kvm_syserr 116 __P((kvm_t *kd, const char *program, const char *fmt, ...)) 117 __attribute__((__format__(__printf__, 3, 4))); 118 119