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 * 4. 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 * $FreeBSD$ 35 */ 36 37 struct __kvm { 38 /* 39 * a string to be prepended to error messages 40 * provided for compatibility with sun's interface 41 * if this value is null, errors are saved in errbuf[] 42 */ 43 const char *program; 44 char *errp; /* XXX this can probably go away */ 45 char errbuf[_POSIX2_LINE_MAX]; 46 #define ISALIVE(kd) ((kd)->vmfd >= 0) 47 int pmfd; /* physical memory file (or crashdump) */ 48 int vmfd; /* virtual memory file (-1 if crashdump) */ 49 int unused; /* was: swap file (e.g., /dev/drum) */ 50 int nlfd; /* namelist file (e.g., /kernel) */ 51 struct kinfo_proc *procbase; 52 char *argspc; /* (dynamic) storage for argv strings */ 53 int arglen; /* length of the above */ 54 char **argv; /* (dynamic) storage for argv pointers */ 55 int argc; /* length of above (not actual # present) */ 56 char *argbuf; /* (dynamic) temporary storage */ 57 /* 58 * Kernel virtual address translation state. This only gets filled 59 * in for dead kernels; otherwise, the running kernel (i.e. kmem) 60 * will do the translations for us. It could be big, so we 61 * only allocate it if necessary. 62 */ 63 struct vmstate *vmst; 64 int rawdump; /* raw dump format */ 65 66 int vnet_initialized; /* vnet fields set up */ 67 uintptr_t vnet_start; /* start of kernel's vnet region */ 68 uintptr_t vnet_stop; /* stop of kernel's vnet region */ 69 uintptr_t vnet_current; /* vnet we're working with */ 70 uintptr_t vnet_base; /* vnet base of current vnet */ 71 72 /* 73 * Dynamic per-CPU kernel memory. We translate symbols, on-demand, 74 * to the data associated with dpcpu_curcpu, set with 75 * kvm_dpcpu_setcpu(). 76 */ 77 int dpcpu_initialized; /* dpcpu fields set up */ 78 uintptr_t dpcpu_start; /* start of kernel's dpcpu region */ 79 uintptr_t dpcpu_stop; /* stop of kernel's dpcpu region */ 80 u_int dpcpu_maxcpus; /* size of base array */ 81 uintptr_t *dpcpu_off; /* base array, indexed by CPU ID */ 82 u_int dpcpu_curcpu; /* CPU we're currently working with */ 83 uintptr_t dpcpu_curoff; /* dpcpu base of current CPU */ 84 }; 85 86 /* 87 * Functions used internally by kvm, but across kvm modules. 88 */ 89 void _kvm_err(kvm_t *kd, const char *program, const char *fmt, ...) 90 __printflike(3, 4); 91 void _kvm_freeprocs(kvm_t *kd); 92 void _kvm_freevtop(kvm_t *); 93 int _kvm_initvtop(kvm_t *); 94 int _kvm_kvatop(kvm_t *, u_long, off_t *); 95 void *_kvm_malloc(kvm_t *kd, size_t); 96 int _kvm_nlist(kvm_t *, struct nlist *, int); 97 void *_kvm_realloc(kvm_t *kd, void *, size_t); 98 void _kvm_syserr (kvm_t *kd, const char *program, const char *fmt, ...) 99 __printflike(3, 4); 100 int _kvm_uvatop(kvm_t *, const struct proc *, u_long, u_long *); 101 int _kvm_vnet_selectpid(kvm_t *, pid_t); 102 int _kvm_vnet_initialized(kvm_t *, int); 103 uintptr_t _kvm_vnet_validaddr(kvm_t *, uintptr_t); 104 int _kvm_dpcpu_initialized(kvm_t *, int); 105 uintptr_t _kvm_dpcpu_validaddr(kvm_t *, uintptr_t); 106 107 #if defined(__amd64__) || defined(__i386__) || defined(__arm__) 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 #endif 112