1 /* except-gcc.h -*-C++-*-
3 *************************************************************************
6 * Copyright (C) 2009-2013, Intel Corporation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
14 * * Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * * Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
20 * * Neither the name of Intel Corporation nor the names of its
21 * contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
30 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
31 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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33 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
35 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 **************************************************************************/
42 * @brief ABI for gcc exception handling.
45 * The code below is generally copied from the Intel Itanium ABI (Intel
49 #ifndef INCLUDED_EXCEPT_GCC_DOT_H
50 #define INCLUDED_EXCEPT_GCC_DOT_H
53 # error except-gcc.h should be used in C++ code only.
56 #include <cilk/common.h>
60 struct __cxa_exception
;
62 __CILKRTS_BEGIN_EXTERN_C
64 /** Unwind reason code (Itanium ABI 6.1.2.1) */
65 typedef enum _Unwind_Reason_Code
{
67 _URC_FOREIGN_EXCEPTION_CAUGHT
= 1,
68 _URC_FATAL_PHASE2_ERROR
= 2,
69 _URC_FATAL_PHASE1_ERROR
= 3,
71 _URC_END_OF_STACK
= 5,
72 _URC_HANDLER_FOUND
= 6,
73 _URC_INSTALL_CONTEXT
= 7,
74 _URC_CONTINUE_UNWIND
= 8
75 } _Unwind_Reason_Code
;
77 typedef struct _Unwind_Exception _Unwind_Exception
;
79 /** Exception cleanup function pointer (Itanium ABI 6.1.2.2) */
80 typedef void (*_Unwind_Exception_Cleanup_Fn
)(_Unwind_Reason_Code reason
,
81 _Unwind_Exception
*exc
);
84 * @brief Exception undwinding information
86 * This is copied from the Intel Itanium ABI except that the
87 * private fields are declared unsigned long for binary
88 * compatibility with gcc/g++ on 32 bit machines.
90 struct _Unwind_Exception
92 uint64_t exception_class
;
93 _Unwind_Exception_Cleanup_Fn exception_cleanup
;
94 unsigned long private_1
;
95 unsigned long private_2
;
98 /** Throw or rethrow an exception */
100 _Unwind_RaiseException(_Unwind_Exception
*exception_object
);
102 /** Resume an exception other than by rethrowing it. */
103 void _Unwind_Resume(_Unwind_Exception
*exception_object
);
105 /** Delete an exception object */
106 void _Unwind_DeleteException(_Unwind_Exception
*exception_object
);
110 * The following declarations are from
112 * http://www.codesourcery.com/public/cxx-abi/abi-eh.html#cxx-abi
115 struct __cxa_exception
{
116 std::type_info
* exceptionType
;
117 void (*exceptionDestructor
)(void *);
118 std::unexpected_handler unexpectedHandler
;
119 std::terminate_handler terminateHandler
;
120 __cxa_exception
* nextException
;
123 int handlerSwitchValue
;
124 const char * actionRecord
;
125 const char * languageSpecificData
;
129 _Unwind_Exception unwindHeader
;
132 static inline __cxa_exception
*to_cxx(_Unwind_Exception
*e
)
134 return ((__cxa_exception
*)(e
+1)) - 1;
137 typedef struct __cxa_eh_globals
{
138 __cxa_exception
*caughtExceptions
;
139 unsigned int uncaughtExceptions
;
142 __cxa_eh_globals
*__cxa_get_globals(void) throw();
144 __CILKRTS_END_EXTERN_C
146 #endif // ! defined(INCLUDED_EXCEPT_GCC_DOT_H)