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. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)kvm_private.h 8.1 (Berkeley) 6/4/93 38 * $FreeBSD: src/lib/libkvm/kvm_private.h,v 1.5 1999/12/27 07:14:58 peter Exp $ 39 * $DragonFly: src/lib/libkvm/kvm_private.h,v 1.4 2007/02/01 10:33:25 corecode Exp $ 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 int pmfd; /* physical memory file (or crashdump) */ 52 int vmfd; /* virtual memory file (-1 if crashdump) */ 53 int flags; /* was: swap file (e.g., /dev/drum) */ 54 int nlfd; /* namelist file (e.g., /kernel) */ 55 struct kinfo_proc *procbase; 56 struct kinfo_proc *procend; 57 char *argspc; /* (dynamic) storage for argv strings */ 58 int arglen; /* length of the above */ 59 char **argv; /* (dynamic) storage for argv pointers */ 60 int argc; /* length of above (not actual # present) */ 61 char *argbuf; /* (dynamic) temporary storage */ 62 /* 63 * Kernel virtual address translation state. This only gets filled 64 * in for dead kernels; otherwise, the running kernel (i.e. kmem) 65 * will do the translations for us. It could be big, so we 66 * only allocate it if necessary. 67 */ 68 struct vmstate *vmst; 69 int rawdump; /* raw dump format */ 70 }; 71 72 enum { 73 KVMF_HOST = 0x1, 74 KVMF_VKERN = 0x2, 75 }; 76 77 static inline 78 int 79 kvm_ishost(kvm_t *kd) 80 { 81 return kd->flags & KVMF_HOST; 82 } 83 84 static inline 85 int 86 kvm_isvkernel(kvm_t *kd) 87 { 88 return kd->flags & KVMF_VKERN; 89 } 90 91 static inline 92 int 93 kvm_notrans(kvm_t *kd) 94 { 95 return kvm_ishost(kd) || kvm_isvkernel(kd); 96 } 97 98 /* 99 * Functions used internally by kvm, but across kvm modules. 100 */ 101 void _kvm_err (kvm_t *kd, const char *program, const char *fmt, ...) 102 __printflike(3, 4); 103 void _kvm_freeprocs (kvm_t *kd); 104 void _kvm_freevtop (kvm_t *); 105 int _kvm_initvtop (kvm_t *); 106 int _kvm_kvatop (kvm_t *, u_long, off_t *); 107 void *_kvm_malloc (kvm_t *kd, size_t); 108 void *_kvm_realloc (kvm_t *kd, void *, size_t); 109 void _kvm_syserr (kvm_t *kd, const char *program, const char *fmt, ...) 110 __printflike(3, 4); 111 int _kvm_uvatop (kvm_t *, const struct proc *, u_long, u_long *); 112 void _kvm_minidump_freevtop(kvm_t *); 113 int _kvm_minidump_initvtop(kvm_t *); 114 int _kvm_minidump_kvatop(kvm_t *, u_long, off_t *); 115