1 /* $NetBSD: unwind.h,v 1.3 2014/10/22 16:30:21 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 #include <sys/cdefs.h> 32 33 __BEGIN_DECLS 34 struct _Unwind_Context; 35 struct _Unwind_Exception; 36 typedef int _Unwind_Reason_Code; 37 typedef void *_Unwind_Ptr; 38 typedef long _Unwind_Word; 39 40 #define _URC_NO_REASON 0 41 #define _URC_FOREIGN_EXCEPTION_CAUGHT 1 42 #define _URC_FATAL_PHASE2_ERROR 2 43 #define _URC_FATAL_PHASE1_ERROR 3 44 #define _URC_NORMAL_STOP 4 45 #define _URC_END_OF_STACK 5 46 #define _URC_HANDLER_FOUND 6 47 #define _URC_INSTALL_CONTEXT 7 48 #define _URC_CONTINUE_UNWIND 8 49 50 typedef _Unwind_Reason_Code 51 (*_Unwind_Trace_Fn)(struct _Unwind_Context *, void *); 52 #ifdef notyet 53 typedef _Unwind_Reason_Code 54 (*_Unwind_Stop_Fn)(struct _Unwind_Context *, void *); 55 #endif 56 57 _Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, void *); 58 void _Unwind_DeleteException(struct _Unwind_Exception *); 59 void *_Unwind_FindEnclosingFunction(void *); 60 #ifdef notyet 61 _Unwind_Reason_Code _Unwind_ForcedUnwind(struct _Unwind_Exception *, 62 _Unwind_Stop_fn, void *); 63 #endif 64 _Unwind_Word _Unwind_GetCFA(struct _Unwind_Context *); 65 _Unwind_Ptr _Unwind_GetDataRelBase(struct _Unwind_Context *); 66 _Unwind_Word _Unwind_GetGR(struct _Unwind_Context *, int); 67 _Unwind_Ptr _Unwind_GetIP(struct _Unwind_Context *); 68 _Unwind_Ptr _Unwind_GetIPInfo(struct _Unwind_Context *, int *); 69 _Unwind_Ptr _Unwind_GetLanguageSpecificData( 70 struct _Unwind_Context *); 71 _Unwind_Ptr _Unwind_GetRegionStart(struct _Unwind_Context *); 72 _Unwind_Ptr _Unwind_GetTextRelBase(struct _Unwind_Context *); 73 _Unwind_Reason_Code _Unwind_RaiseException(struct _Unwind_Exception *); 74 void _Unwind_Resume(struct _Unwind_Exception *); 75 _Unwind_Reason_Code _Unwind_Resume_or_Rethrow(struct _Unwind_Exception *); 76 void _Unwind_SetGR(struct _Unwind_Context *, int, 77 _Unwind_Ptr); 78 void _Unwind_SetIP(struct _Unwind_Context *, _Unwind_Ptr); 79 __END_DECLS 80 #endif /* _UNWIND_H_ */ 81