97 lines
3.7 KiB
C
97 lines
3.7 KiB
C
/* $NetBSD: unwind.h,v 1.5 2016/12/19 01:24:40 christos Exp $ */
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/*-
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* Copyright (c) 2012 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _UNWIND_H_
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#define _UNWIND_H_
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#include <stddef.h>
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#include <stdint.h>
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__BEGIN_DECLS
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struct _Unwind_Context;
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struct _Unwind_Exception;
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typedef int _Unwind_Reason_Code;
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typedef int _Unwind_Action;
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typedef void *_Unwind_Ptr;
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typedef long _Unwind_Word;
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#define _UA_SEARCH_PHASE 0x01
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#define _UA_CLEANUP_PHASE 0x02
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#define _UA_HANDLER_FRAME 0x04
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#define _UA_FORCE_UNWIND 0x08
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#define _UA_END_OF_STACK 0x10
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#define _URC_NO_REASON 0
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#define _URC_FOREIGN_EXCEPTION_CAUGHT 1
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#define _URC_FATAL_PHASE2_ERROR 2
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#define _URC_FATAL_PHASE1_ERROR 3
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#define _URC_NORMAL_STOP 4
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#define _URC_END_OF_STACK 5
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#define _URC_HANDLER_FOUND 6
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#define _URC_INSTALL_CONTEXT 7
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#define _URC_CONTINUE_UNWIND 8
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struct _Unwind_Exception {
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uint64_t exception_class;
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void (*exception_cleanup)(_Unwind_Reason_Code,
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struct _Unwind_Exception *);
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uintptr_t private_1;
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uintptr_t private_2;
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} __attribute__((__aligned__));
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typedef _Unwind_Reason_Code
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(*_Unwind_Trace_Fn)(struct _Unwind_Context *, void *);
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#ifdef notyet
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typedef _Unwind_Reason_Code
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(*_Unwind_Stop_Fn)(struct _Unwind_Context *, void *);
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#endif
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_Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, void *);
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void _Unwind_DeleteException(struct _Unwind_Exception *);
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void *_Unwind_FindEnclosingFunction(void *);
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#ifdef notyet
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_Unwind_Reason_Code _Unwind_ForcedUnwind(struct _Unwind_Exception *,
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_Unwind_Stop_fn, void *);
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#endif
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_Unwind_Word _Unwind_GetCFA(struct _Unwind_Context *);
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_Unwind_Ptr _Unwind_GetDataRelBase(struct _Unwind_Context *);
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_Unwind_Word _Unwind_GetGR(struct _Unwind_Context *, int);
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_Unwind_Ptr _Unwind_GetIP(struct _Unwind_Context *);
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_Unwind_Ptr _Unwind_GetIPInfo(struct _Unwind_Context *, int *);
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_Unwind_Ptr _Unwind_GetLanguageSpecificData(
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struct _Unwind_Context *);
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_Unwind_Ptr _Unwind_GetRegionStart(struct _Unwind_Context *);
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_Unwind_Ptr _Unwind_GetTextRelBase(struct _Unwind_Context *);
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_Unwind_Reason_Code _Unwind_RaiseException(struct _Unwind_Exception *);
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void _Unwind_Resume(struct _Unwind_Exception *);
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_Unwind_Reason_Code _Unwind_Resume_or_Rethrow(struct _Unwind_Exception *);
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void _Unwind_SetGR(struct _Unwind_Context *, int,
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_Unwind_Ptr);
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void _Unwind_SetIP(struct _Unwind_Context *, _Unwind_Ptr);
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__END_DECLS
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#endif /* _UNWIND_H_ */
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