kvm_private.h revision 1573 
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 */
39
40struct __kvm {
41	/*
42	 * a string to be prepended to error messages
43	 * provided for compatibility with sun's interface
44	 * if this value is null, errors are saved in errbuf[]
45	 */
46	const char *program;
47	char	*errp;		/* XXX this can probably go away */
48	char	errbuf[_POSIX2_LINE_MAX];
49	DB	*db;
50#define ISALIVE(kd) ((kd)->vmfd >= 0)
51	int	pmfd;		/* physical memory file (or crashdump) */
52	int	vmfd;		/* virtual memory file (-1 if crashdump) */
53	int	swfd;		/* swap file (e.g., /dev/drum) */
54	int	nlfd;		/* namelist file (e.g., /vmunix) */
55	struct kinfo_proc *procbase;
56	char	*argspc;	/* (dynamic) storage for argv strings */
57	int	arglen;		/* length of the above */
58	char	**argv;		/* (dynamic) storage for argv pointers */
59	int	argc;		/* length of above (not actual # present) */
60	/*
61	 * Kernel virtual address translation state.  This only gets filled
62	 * in for dead kernels; otherwise, the running kernel (i.e. kmem)
63	 * will do the translations for us.  It could be big, so we
64	 * only allocate it if necessary.
65	 */
66	struct vmstate *vmst;
67};
68
69/*
70 * Functions used internally by kvm, but across kvm modules.
71 */
72void	 _kvm_err __P((kvm_t *kd, const char *program, const char *fmt, ...));
73void	 _kvm_freeprocs __P((kvm_t *kd));
74void	 _kvm_freevtop __P((kvm_t *));
75int	 _kvm_initvtop __P((kvm_t *));
76int	 _kvm_kvatop __P((kvm_t *, u_long, u_long *));
77void	*_kvm_malloc __P((kvm_t *kd, size_t));
78void	*_kvm_realloc __P((kvm_t *kd, void *, size_t));
79void	 _kvm_syserr
80	    __P((kvm_t *kd, const char *program, const char *fmt, ...));
81int	 _kvm_uvatop __P((kvm_t *, const struct proc *, u_long, u_long *));
82