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Diffstat (limited to 'libcilkrts/runtime/except-gcc.h')
| -rw-r--r-- | libcilkrts/runtime/except-gcc.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/libcilkrts/runtime/except-gcc.h b/libcilkrts/runtime/except-gcc.h new file mode 100644 index 00000000000..aa76adbc233 --- /dev/null +++ b/libcilkrts/runtime/except-gcc.h @@ -0,0 +1,146 @@ +/* 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) |