1/*-
2 * Copyright (c) 2001 Doug Rabson
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: head/sys/ia64/include/unwind.h 115084 2003-05-16 21:26:42Z marcel $
27 */
28
29#ifndef _MACHINE_UNWIND_H_
30#define _MACHINE_UNWIND_H_
31
32struct uwx_env;
33
34struct unw_regstate {
35 struct trapframe *frame;
36 struct uwx_env *env;
37 uint64_t keyval[8];
38};
39
40int unw_create(struct unw_regstate *s, struct trapframe *tf);
41int unw_step(struct unw_regstate *s);
42
43int unw_get_bsp(struct unw_regstate *s, uint64_t *r);
44int unw_get_cfm(struct unw_regstate *s, uint64_t *r);
45int unw_get_ip(struct unw_regstate *s, uint64_t *r);
46
47int unw_table_add(uint64_t, uint64_t, uint64_t);
48void unw_table_remove(uint64_t);
49
50#endif /* _MACHINE_UNWIND_H_ */