2 * Copyright (c) 2003 Marcel Moolenaar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #ifndef _MACHINE_UNWIND_H_
30 #define _MACHINE_UNWIND_H_
38 struct trapframe *frame;
43 int unw_create_from_pcb(struct unw_regstate *s, struct pcb *pcb);
44 int unw_create_from_frame(struct unw_regstate *s, struct trapframe *tf);
45 void unw_delete(struct unw_regstate *s);
46 int unw_step(struct unw_regstate *s);
48 int unw_get_bsp(struct unw_regstate *s, uint64_t *r);
49 int unw_get_cfm(struct unw_regstate *s, uint64_t *r);
50 int unw_get_ip(struct unw_regstate *s, uint64_t *r);
51 int unw_get_sp(struct unw_regstate *s, uint64_t *r);
53 int unw_table_add(uint64_t, uint64_t, uint64_t);
54 void unw_table_remove(uint64_t);
56 #endif /* _MACHINE_UNWIND_H_ */