1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/* $NetBSD: kvm_private.h,v 1.20 2011/09/12 21:11:32 christos Exp $ */
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software developed by the Computer Systems
* Engineering group at Lawrence Berkeley Laboratory under DARPA contract
* BG 91-66 and contributed to Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)kvm_private.h 8.1 (Berkeley) 6/4/93
*/
struct __kvm {
/*
* a string to be prepended to error messages
* provided for compatibility with sun's interface
* if this value is null, errors are saved in errbuf[]
*/
const char *program;
char *errp; /* XXX this can probably go away */
char errbuf[_POSIX2_LINE_MAX];
int pmfd; /* physical memory file (or crash dump) */
int vmfd; /* virtual memory file (-1 if crash dump) */
int swfd; /* swap file (e.g., /dev/drum) */
int nlfd; /* namelist file (e.g., /vmunix) */
char alive; /* live kernel? */
struct kinfo_proc *procbase;
struct kinfo_proc2 *procbase2;
struct kinfo_lwp *lwpbase;
size_t procbase_len;
size_t procbase2_len;
size_t lwpbase_len;
u_long usrstack; /* address of end of user stack */
u_long min_uva, max_uva; /* min/max user virtual address */
int nbpg; /* page size */
char *swapspc; /* (dynamic) storage for swapped pages */
char *argspc, *argbuf; /* (dynamic) storage for argv strings */
size_t argspc_len; /* length of the above */
char **argv; /* (dynamic) storage for argv pointers */
int argc; /* length of above (not actual # present) */
/*
* Header structures for kernel dumps. Only gets filled in for
* dead kernels.
*/
struct kcore_hdr *kcore_hdr;
size_t cpu_dsize;
void *cpu_data;
off_t dump_off; /* Where the actual dump starts */
/*
* Kernel virtual address translation state. This only gets filled
* in for dead kernels; otherwise, the running kernel (i.e. kmem)
* will do the translations for us. It could be big, so we
* only allocate it if necessary.
*/
struct vmstate *vmst; /* XXX: should become obsoleted */
/*
* These kernel variables are used for looking up user addresses,
* and are cached for efficiency.
*/
struct pglist *vm_page_buckets;
int vm_page_hash_mask;
/* Buffer for raw disk I/O. */
size_t fdalign;
uint8_t *iobuf;
size_t iobufsz;
char kernelname[MAXPATHLEN];
};
/* Levels of aliveness */
#define KVM_ALIVE_DEAD 0 /* dead, working from core file */
#define KVM_ALIVE_FILES 1 /* alive, working from open kmem/drum */
#define KVM_ALIVE_SYSCTL 2 /* alive, sysctl-type calls only */
#define ISALIVE(kd) ((kd)->alive != KVM_ALIVE_DEAD)
#define ISKMEM(kd) ((kd)->alive == KVM_ALIVE_FILES)
#define ISSYSCTL(kd) ((kd)->alive == KVM_ALIVE_SYSCTL || ISKMEM(kd))
/*
* Functions used internally by kvm, but across kvm modules.
*/
void _kvm_err(kvm_t *, const char *, const char *, ...)
__attribute__((__format__(__printf__, 3, 4)));
int _kvm_dump_mkheader(kvm_t *, kvm_t *);
void _kvm_freeprocs(kvm_t *);
void _kvm_freevtop(kvm_t *);
int _kvm_mdopen(kvm_t *);
int _kvm_initvtop(kvm_t *);
int _kvm_kvatop(kvm_t *, vaddr_t, paddr_t *);
void *_kvm_malloc(kvm_t *, size_t);
off_t _kvm_pa2off(kvm_t *, paddr_t);
void *_kvm_realloc(kvm_t *, void *, size_t);
void _kvm_syserr(kvm_t *, const char *, const char *, ...)
__attribute__((__format__(__printf__, 3, 4)));
ssize_t _kvm_pread(kvm_t *, int, void *, size_t, off_t);
#define KREAD(kd, addr, obj) \
(kvm_read(kd, addr, (obj), sizeof(*obj)) != sizeof(*obj))
#define KVM_ALLOC(kd, member, size) \
do { \
if (kd->member == NULL) \
kd->member = _kvm_malloc(kd, kd->member ## _len = size); \
else if (kd->member ## _len < size) \
kd->member = _kvm_realloc(kd, kd->member, \
kd->member ## _len = size); \
if (kd->member == NULL) { \
kd->member ## _len = 0; \
return (NULL); \
} \
} while (/*CONSTCOND*/0)
|
