1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2004 David Xu <davidxu@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 _LIBPTHREAD_DB_H_
30#define	_LIBPTHREAD_DB_H_
31
32#include <sys/ucontext.h>
33#include <machine/reg.h>
34
35#include "thread_db_int.h"
36
37enum pt_type {
38	PT_NONE,
39	PT_USER,
40	PT_LWP
41};
42
43struct pt_map {
44	enum pt_type	type;
45	union {
46		lwpid_t		lwp;
47		psaddr_t	thr;
48	};
49};
50
51struct td_thragent {
52	TD_THRAGENT_FIELDS;
53	psaddr_t	libkse_debug_addr;
54	psaddr_t	thread_list_addr;
55	psaddr_t	thread_listgen_addr;
56	psaddr_t	thread_activated_addr;
57	psaddr_t	thread_active_threads_addr;
58	psaddr_t	thread_keytable_addr;
59	int		thread_activated;
60	int		thread_off_dtv;
61	int		thread_off_kse_locklevel;
62	int		thread_off_kse;
63	int		thread_off_tlsindex;
64	int		thread_off_attr_flags;
65	int		thread_size_key;
66	int		thread_off_tcb;
67	int		thread_off_linkmap;
68	int		thread_off_tmbx;
69	int		thread_off_thr_locklevel;
70	int		thread_off_next;
71	int		thread_off_state;
72	int		thread_max_keys;
73	int		thread_off_key_allocated;
74	int		thread_off_key_destructor;
75	int		thread_state_zoombie;
76	int		thread_state_running;
77	int		thread_off_sigmask;
78	int		thread_off_sigpend;
79	struct pt_map	*map;
80	unsigned int	map_len;
81};
82
83void pt_md_init(void);
84void pt_reg_to_ucontext(const struct reg *, ucontext_t *);
85void pt_ucontext_to_reg(const ucontext_t *, struct reg *);
86void pt_fpreg_to_ucontext(const struct fpreg *, ucontext_t *);
87void pt_ucontext_to_fpreg(const ucontext_t *, struct fpreg *);
88#ifdef __i386__
89void pt_fxsave_to_ucontext(const char *, ucontext_t *);
90void pt_ucontext_to_fxsave(const ucontext_t *, char *);
91#endif
92int  pt_reg_sstep(struct reg *reg, int step);
93
94#endif /* _LIBPTHREAD_DB_H_ */
95