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147 lines
4.7 KiB
C++
147 lines
4.7 KiB
C++
/* except-gcc.h -*-C++-*-
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*
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*************************************************************************
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*
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* @copyright
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* Copyright (C) 2009-2013, Intel Corporation
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* All rights reserved.
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*
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* @copyright
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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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*
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* * 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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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* @copyright
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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* 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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/**
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* @file except-gcc.h
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*
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* @brief ABI for gcc exception handling.
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*
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* @par Origin
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* The code below is generally copied from the Intel Itanium ABI (Intel
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* download 245370).
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*/
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#ifndef INCLUDED_EXCEPT_GCC_DOT_H
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#define INCLUDED_EXCEPT_GCC_DOT_H
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#ifndef __cplusplus
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# error except-gcc.h should be used in C++ code only.
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#endif
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#include <cilk/common.h>
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#include <exception>
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#include <typeinfo>
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struct __cxa_exception;
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__CILKRTS_BEGIN_EXTERN_C
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/** Unwind reason code (Itanium ABI 6.1.2.1) */
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typedef enum _Unwind_Reason_Code {
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_URC_NO_REASON = 0,
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_URC_FOREIGN_EXCEPTION_CAUGHT = 1,
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_URC_FATAL_PHASE2_ERROR = 2,
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_URC_FATAL_PHASE1_ERROR = 3,
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_URC_NORMAL_STOP = 4,
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_URC_END_OF_STACK = 5,
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_URC_HANDLER_FOUND = 6,
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_URC_INSTALL_CONTEXT = 7,
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_URC_CONTINUE_UNWIND = 8
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} _Unwind_Reason_Code;
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typedef struct _Unwind_Exception _Unwind_Exception;
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/** Exception cleanup function pointer (Itanium ABI 6.1.2.2) */
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typedef void (*_Unwind_Exception_Cleanup_Fn)(_Unwind_Reason_Code reason,
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_Unwind_Exception *exc);
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/**
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* @brief Exception undwinding information
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*
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* This is copied from the Intel Itanium ABI except that the
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* private fields are declared unsigned long for binary
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* compatibility with gcc/g++ on 32 bit machines.
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*/
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struct _Unwind_Exception
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{
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uint64_t exception_class;
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_Unwind_Exception_Cleanup_Fn exception_cleanup;
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unsigned long private_1;
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unsigned long private_2;
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};
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/** Throw or rethrow an exception */
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_Unwind_Reason_Code
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_Unwind_RaiseException(_Unwind_Exception *exception_object);
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/** Resume an exception other than by rethrowing it. */
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void _Unwind_Resume(_Unwind_Exception *exception_object);
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/** Delete an exception object */
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void _Unwind_DeleteException(_Unwind_Exception *exception_object);
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/**
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* C++ exception ABI.
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* The following declarations are from
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*
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* http://www.codesourcery.com/public/cxx-abi/abi-eh.html#cxx-abi
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*/
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struct __cxa_exception {
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std::type_info * exceptionType;
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void (*exceptionDestructor)(void *);
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std::unexpected_handler unexpectedHandler;
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std::terminate_handler terminateHandler;
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__cxa_exception * nextException;
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int handlerCount;
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int handlerSwitchValue;
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const char * actionRecord;
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const char * languageSpecificData;
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void * catchTemp;
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void * adjustedPtr;
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_Unwind_Exception unwindHeader;
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};
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static inline __cxa_exception *to_cxx(_Unwind_Exception *e)
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{
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return ((__cxa_exception *)(e+1)) - 1;
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}
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typedef struct __cxa_eh_globals {
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__cxa_exception *caughtExceptions;
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unsigned int uncaughtExceptions;
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} __cxa_eh_globals;
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__cxa_eh_globals*__cxa_get_globals(void) throw();
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__CILKRTS_END_EXTERN_C
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#endif // ! defined(INCLUDED_EXCEPT_GCC_DOT_H)
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