1/*-
2 * Copyright (c) 2008 John Birrell (jb@freebsd.org)
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#include <sys/cdefs.h>
30#include <sys/param.h>
31#include <sys/types.h>
32#include <sys/event.h>
33#include <sys/ptrace.h>
34#include <rtld_db.h>
35
36#include "libproc.h"
37
38struct proc_handle {
39	pid_t	pid;			/* Process ID. */
40	int	kq;			/* Kernel event queue ID. */
41	int	flags;			/* Process flags. */
42	int	status;			/* Process status (PS_*). */
43	int	wstat;			/* Process wait status. */
44	rd_agent_t *rdap;		/* librtld_db agent */
45	rd_loadobj_t *rdobjs;
46	size_t	rdobjsz;
47	size_t	nobjs;
48	struct lwpstatus lwps;
49	rd_loadobj_t *rdexec;		/* rdobj index of program executable. */
50	char	execname[MAXPATHLEN];	/* Path to program executable. */
51};
52
53#ifdef DEBUG
54#define	DPRINTF(...) 	warn(__VA_ARGS__)
55#define	DPRINTFX(...)	warnx(__VA_ARGS__)
56#else
57#define	DPRINTF(...)    do { } while (0)
58#define	DPRINTFX(...)   do { } while (0)
59#endif
60