kvm_private.h revision 204494
11573Srgrimes/*- 21573Srgrimes * Copyright (c) 1992, 1993 31573Srgrimes * The Regents of the University of California. All rights reserved. 41573Srgrimes * 51573Srgrimes * This code is derived from software developed by the Computer Systems 61573Srgrimes * Engineering group at Lawrence Berkeley Laboratory under DARPA contract 71573Srgrimes * BG 91-66 and contributed to Berkeley. 81573Srgrimes * 91573Srgrimes * Redistribution and use in source and binary forms, with or without 101573Srgrimes * modification, are permitted provided that the following conditions 111573Srgrimes * are met: 121573Srgrimes * 1. Redistributions of source code must retain the above copyright 131573Srgrimes * notice, this list of conditions and the following disclaimer. 141573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 151573Srgrimes * notice, this list of conditions and the following disclaimer in the 161573Srgrimes * documentation and/or other materials provided with the distribution. 171573Srgrimes * 4. Neither the name of the University nor the names of its contributors 181573Srgrimes * may be used to endorse or promote products derived from this software 191573Srgrimes * without specific prior written permission. 201573Srgrimes * 211573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311573Srgrimes * SUCH DAMAGE. 321573Srgrimes * 331573Srgrimes * @(#)kvm_private.h 8.1 (Berkeley) 6/4/93 3455127Speter * $FreeBSD: head/lib/libkvm/kvm_private.h 204494 2010-03-01 00:27:55Z rwatson $ 351573Srgrimes */ 361573Srgrimes 371573Srgrimesstruct __kvm { 381573Srgrimes /* 391573Srgrimes * a string to be prepended to error messages 401573Srgrimes * provided for compatibility with sun's interface 411573Srgrimes * if this value is null, errors are saved in errbuf[] 421573Srgrimes */ 431573Srgrimes const char *program; 441573Srgrimes char *errp; /* XXX this can probably go away */ 451573Srgrimes char errbuf[_POSIX2_LINE_MAX]; 461573Srgrimes#define ISALIVE(kd) ((kd)->vmfd >= 0) 471573Srgrimes int pmfd; /* physical memory file (or crashdump) */ 481573Srgrimes int vmfd; /* virtual memory file (-1 if crashdump) */ 4950331Sbde int unused; /* was: swap file (e.g., /dev/drum) */ 501856Sdg int nlfd; /* namelist file (e.g., /kernel) */ 511573Srgrimes struct kinfo_proc *procbase; 521573Srgrimes char *argspc; /* (dynamic) storage for argv strings */ 531573Srgrimes int arglen; /* length of the above */ 541573Srgrimes char **argv; /* (dynamic) storage for argv pointers */ 551573Srgrimes int argc; /* length of above (not actual # present) */ 5612682Speter char *argbuf; /* (dynamic) temporary storage */ 571573Srgrimes /* 581573Srgrimes * Kernel virtual address translation state. This only gets filled 591573Srgrimes * in for dead kernels; otherwise, the running kernel (i.e. kmem) 601573Srgrimes * will do the translations for us. It could be big, so we 611573Srgrimes * only allocate it if necessary. 621573Srgrimes */ 631573Srgrimes struct vmstate *vmst; 64170772Ssimokawa int rawdump; /* raw dump format */ 65195838Sbz 66195838Sbz int vnet_initialized; /* vnet fields set up */ 67195838Sbz uintptr_t vnet_start; /* start of kernel's vnet region */ 68195838Sbz uintptr_t vnet_stop; /* stop of kernel's vnet region */ 69195838Sbz uintptr_t vnet_current; /* vnet we're working with */ 70195838Sbz uintptr_t vnet_base; /* vnet base of current vnet */ 71204494Srwatson 72204494Srwatson /* 73204494Srwatson * Dynamic per-CPU kernel memory. We translate symbols, on-demand, 74204494Srwatson * to the data associated with dpcpu_curcpu, set with 75204494Srwatson * kvm_dpcpu_setcpu(). 76204494Srwatson */ 77204494Srwatson int dpcpu_initialized; /* dpcpu fields set up */ 78204494Srwatson uintptr_t dpcpu_start; /* start of kernel's dpcpu region */ 79204494Srwatson uintptr_t dpcpu_stop; /* stop of kernel's dpcpu region */ 80204494Srwatson u_int dpcpu_maxcpus; /* size of base array */ 81204494Srwatson uintptr_t *dpcpu_off; /* base array, indexed by CPU ID */ 82204494Srwatson u_int dpcpu_curcpu; /* CPU we're currently working with */ 83204494Srwatson uintptr_t dpcpu_curoff; /* dpcpu base of current CPU */ 841573Srgrimes}; 851573Srgrimes 861573Srgrimes/* 871573Srgrimes * Functions used internally by kvm, but across kvm modules. 881573Srgrimes */ 8992941Sobrienvoid _kvm_err(kvm_t *kd, const char *program, const char *fmt, ...) 9092941Sobrien __printflike(3, 4); 9192917Sobrienvoid _kvm_freeprocs(kvm_t *kd); 9292917Sobrienvoid _kvm_freevtop(kvm_t *); 9392917Sobrienint _kvm_initvtop(kvm_t *); 94147672Speterint _kvm_kvatop(kvm_t *, u_long, off_t *); 9592917Sobrienvoid *_kvm_malloc(kvm_t *kd, size_t); 96195838Sbzint _kvm_nlist(kvm_t *, struct nlist *, int); 9792917Sobrienvoid *_kvm_realloc(kvm_t *kd, void *, size_t); 9892941Sobrienvoid _kvm_syserr (kvm_t *kd, const char *program, const char *fmt, ...) 9992941Sobrien __printflike(3, 4); 10092917Sobrienint _kvm_uvatop(kvm_t *, const struct proc *, u_long, u_long *); 101195838Sbzint _kvm_vnet_selectpid(kvm_t *, pid_t); 102195838Sbzint _kvm_vnet_initialized(kvm_t *, int); 103195838Sbzuintptr_t _kvm_vnet_validaddr(kvm_t *, uintptr_t); 104204494Srwatsonint _kvm_dpcpu_initialized(kvm_t *, int); 105204494Srwatsonuintptr_t _kvm_dpcpu_validaddr(kvm_t *, uintptr_t); 106157911Speter 107184728Sraj#if defined(__amd64__) || defined(__i386__) || defined(__arm__) 108157911Spetervoid _kvm_minidump_freevtop(kvm_t *); 109157911Speterint _kvm_minidump_initvtop(kvm_t *); 110157911Speterint _kvm_minidump_kvatop(kvm_t *, u_long, off_t *); 111157911Speter#endif 112