unwind.h revision 254661 
1/*	$NetBSD: unwind.h,v 1.1 2012/05/26 22:02:29 christos Exp $	*/
2
3/*-
4 * Copyright (c) 2012 The NetBSD Foundation, Inc.
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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28#ifndef _UNWIND_H_
29#define _UNWIND_H_
30
31__BEGIN_DECLS
32struct _Unwind_Context;
33struct _Unwind_Exception;
34typedef int _Unwind_Reason_Code;
35typedef void *_Unwind_Ptr;
36typedef long _Unwind_Word;
37
38typedef _Unwind_Reason_Code
39    (*_Unwind_Trace_Fn)(struct _Unwind_Context *, void *);
40#ifdef notyet
41typedef _Unwind_Reason_Code
42    (*_Unwind_Stop_Fn)(struct _Unwind_Context *, void *);
43#endif
44
45_Unwind_Reason_Code	 _Unwind_Backtrace(_Unwind_Trace_Fn, void *);
46void 			 _Unwind_DeleteException(struct _Unwind_Exception *);
47void 	       		*_Unwind_FindEnclosingFunction(void *);
48#ifdef notyet
49_Unwind_Reason_Code 	 _Unwind_ForcedUnwind(struct _Unwind_Exception *,
50    _Unwind_Stop_fn, void *);
51#endif
52_Unwind_Word		 _Unwind_GetCFA(struct _Unwind_Context *);
53_Unwind_Ptr		 _Unwind_GetDataRelBase(struct _Unwind_Context *);
54_Unwind_Word 		 _Unwind_GetGR(struct _Unwind_Context *, int);
55_Unwind_Ptr		 _Unwind_GetIP(struct _Unwind_Context *);
56_Unwind_Ptr		 _Unwind_GetIPInfo(struct _Unwind_Context *, int *);
57void 			*_Unwind_GetLanguageSpecificData(
58    struct _Unwind_Context *);
59_Unwind_Ptr		 _Unwind_GetRegionStart(struct _Unwind_Context *);
60_Unwind_Ptr		 _Unwind_GetTextRelBase(struct _Unwind_Context *);
61_Unwind_Reason_Code	 _Unwind_RaiseException(struct _Unwind_Exception *);
62void			 _Unwind_Resume(struct _Unwind_Exception *);
63_Unwind_Reason_Code	 _Unwind_Resume_or_Rethrow(struct _Unwind_Exception *);
64void			 _Unwind_SetGR(struct _Unwind_Context *, int,
65    _Unwind_Ptr);
66void			 _Unwind_SetIP(struct _Unwind_Context *, _Unwind_Ptr);
67__END_DECLS
68#endif /* _UNWIND_H_ */
69