1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
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
29#ifndef __LIBPROC_H_
30#define	__LIBPROC_H_
31
32#include <sys/types.h>
33#include <sys/ptrace.h>
34
35#include <libelf.h>
36#include <rtld_db.h>
37
38#include "libproc.h"
39
40struct procstat;
41
42struct symtab {
43	Elf_Data *data;
44	u_int	nsyms;
45	u_int	*index;
46	u_long	stridx;
47};
48
49struct file_info {
50	Elf	*elf;
51	int	fd;
52	u_int	refs;
53	GElf_Ehdr ehdr;
54
55	/* Symbol tables, sorted by value. */
56	struct symtab dynsymtab;
57	struct symtab symtab;
58};
59
60struct map_info {
61	prmap_t	map;
62	struct file_info *file;
63};
64
65struct proc_handle {
66	struct proc_handle_public public; /* Public fields. */
67	int	flags;			/* Process flags. */
68	int	status;			/* Process status (PS_*). */
69	int	wstat;			/* Process wait status. */
70	int	model;			/* Process data model. */
71	rd_agent_t *rdap;		/* librtld_db agent */
72	struct map_info *mappings;	/* File mappings for proc. */
73	size_t	maparrsz;		/* Map array size. */
74	size_t	nmappings;		/* Number of mappings. */
75	size_t	exec_map;		/* Executable text mapping index. */
76	lwpstatus_t lwps;		/* Process status. */
77	struct procstat *procstat;	/* libprocstat handle. */
78	char	execpath[PATH_MAX];	/* Path to program executable. */
79};
80
81#ifdef DEBUG
82#define	DPRINTF(...) 	warn(__VA_ARGS__)
83#define	DPRINTFX(...)	warnx(__VA_ARGS__)
84#else
85#define	DPRINTF(...)    do { } while (0)
86#define	DPRINTFX(...)   do { } while (0)
87#endif
88
89#endif /* __LIBPROC_H_ */
90