1 /*- 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software developed by the Computer Systems 6 * Engineering group at Lawrence Berkeley Laboratory under DARPA contract 7 * BG 91-66 and contributed to Berkeley. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)kvm_private.h 8.1 (Berkeley) 6/4/93 34 * $FreeBSD: src/lib/libkvm/kvm_private.h,v 1.5 1999/12/27 07:14:58 peter Exp $ 35 * $DragonFly: src/lib/libkvm/kvm_private.h,v 1.4 2007/02/01 10:33:25 corecode Exp $ 36 */ 37 38 struct __kvm { 39 /* 40 * a string to be prepended to error messages 41 * provided for compatibility with sun's interface 42 * if this value is null, errors are saved in errbuf[] 43 */ 44 const char *program; 45 char *errp; /* XXX this can probably go away */ 46 char errbuf[_POSIX2_LINE_MAX]; 47 int pmfd; /* physical memory file (or crashdump) */ 48 int vmfd; /* virtual memory file (-1 if crashdump) */ 49 int flags; /* was: swap file (e.g., /dev/drum) */ 50 int nlfd; /* namelist file (e.g., /kernel) */ 51 struct kinfo_proc *procbase; 52 struct kinfo_proc *procend; 53 char *argspc; /* (dynamic) storage for argv strings */ 54 int arglen; /* length of the above */ 55 char **argv; /* (dynamic) storage for argv pointers */ 56 int argc; /* length of above (not actual # present) */ 57 char *argbuf; /* (dynamic) temporary storage */ 58 /* 59 * Kernel virtual address translation state. This only gets filled 60 * in for dead kernels; otherwise, the running kernel (i.e. kmem) 61 * will do the translations for us. It could be big, so we 62 * only allocate it if necessary. 63 */ 64 struct vmstate *vmst; 65 int rawdump; /* raw dump format */ 66 }; 67 68 enum { 69 KVMF_HOST = 0x1, 70 KVMF_VKERN = 0x2, 71 }; 72 73 static inline 74 int 75 kvm_ishost(kvm_t *kd) 76 { 77 return kd->flags & KVMF_HOST; 78 } 79 80 static inline 81 int 82 kvm_isvkernel(kvm_t *kd) 83 { 84 return kd->flags & KVMF_VKERN; 85 } 86 87 static inline 88 int 89 kvm_notrans(kvm_t *kd) 90 { 91 return kvm_ishost(kd) || kvm_isvkernel(kd); 92 } 93 94 /* 95 * Functions used internally by kvm, but across kvm modules. 96 */ 97 void _kvm_err (kvm_t *kd, const char *program, const char *fmt, ...) 98 __printflike(3, 4); 99 void _kvm_freeprocs (kvm_t *kd); 100 void _kvm_freevtop (kvm_t *); 101 int _kvm_initvtop (kvm_t *); 102 int _kvm_kvatop (kvm_t *, u_long, off_t *); 103 void *_kvm_malloc (kvm_t *kd, size_t); 104 void *_kvm_realloc (kvm_t *kd, void *, size_t); 105 void _kvm_syserr (kvm_t *kd, const char *program, const char *fmt, ...) 106 __printflike(3, 4); 107 int _kvm_uvatop (kvm_t *, const struct proc *, u_long, u_long *); 108 void _kvm_minidump_freevtop(kvm_t *); 109 int _kvm_minidump_initvtop(kvm_t *); 110 int _kvm_minidump_kvatop(kvm_t *, u_long, off_t *); 111