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