1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2008 John Birrell (jb@freebsd.org)
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#ifndef __LIBPROC_H_
32#define	__LIBPROC_H_
33
34#include <sys/types.h>
35#include <sys/ptrace.h>
36
37#include <libelf.h>
38#include <rtld_db.h>
39
40#include "libproc.h"
41
42struct procstat;
43
44struct symtab {
45	Elf_Data *data;
46	u_int	nsyms;
47	u_int	*index;
48	u_long	stridx;
49};
50
51struct file_info {
52	Elf	*elf;
53	int	fd;
54	u_int	refs;
55	GElf_Ehdr ehdr;
56
57	/* Symbol tables, sorted by value. */
58	struct symtab dynsymtab;
59	struct symtab symtab;
60};
61
62struct map_info {
63	prmap_t	map;
64	struct file_info *file;
65};
66
67struct proc_handle {
68	struct proc_handle_public public; /* Public fields. */
69	int	flags;			/* Process flags. */
70	int	status;			/* Process status (PS_*). */
71	int	wstat;			/* Process wait status. */
72	int	model;			/* Process data model. */
73	rd_agent_t *rdap;		/* librtld_db agent */
74	struct map_info *mappings;	/* File mappings for proc. */
75	size_t	maparrsz;		/* Map array size. */
76	size_t	nmappings;		/* Number of mappings. */
77	size_t	exec_map;		/* Executable text mapping index. */
78	lwpstatus_t lwps;		/* Process status. */
79	struct procstat *procstat;	/* libprocstat handle. */
80	char	execpath[PATH_MAX];	/* Path to program executable. */
81};
82
83#ifdef DEBUG
84#define	DPRINTF(...) 	warn(__VA_ARGS__)
85#define	DPRINTFX(...)	warnx(__VA_ARGS__)
86#else
87#define	DPRINTF(...)    do { } while (0)
88#define	DPRINTFX(...)   do { } while (0)
89#endif
90
91#endif /* __LIBPROC_H_ */
92