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3  * Licensed to the Apache Software Foundation (ASF) under one
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5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 #include "uno/mapping.h"
25 
26 #include <typeinfo>
27 #include <exception>
28 #include <cstddef>
29 
30 namespace CPPU_CURRENT_NAMESPACE
31 {
32 
33 void dummy_can_throw_anything( char const * );
34 
35 // ----- the following structure is compatible with the one declared in libunwind's unwind.h
36 
37 struct _Unwind_Exception
38 {
39     unsigned long exception_class;
40     void * exception_cleanup;
41     uintptr_t private_1;
42     uintptr_t private_2;
43 } __attribute__((__aligned__));
44 
45 struct __cxa_exception
46 {
47 #if __LP64__ // ----- from libcxxabi/src/cxa_exception.hpp
48     // This is a new field to support C++ 0x exception_ptr.
49     // For binary compatibility it is at the start of this
50     // struct which is prepended to the object thrown in
51     // __cxa_allocate_exception.
52     size_t referenceCount;
53 #endif
54 
55     ::std::type_info *exceptionType;
56     void (*exceptionDestructor)(void *);
57 
58     ::std::unexpected_handler unexpectedHandler;
59     ::std::terminate_handler terminateHandler;
60 
61     __cxa_exception *nextException;
62 
63     int handlerCount;
64 
65     int handlerSwitchValue;
66     const unsigned char *actionRecord;
67     const unsigned char *languageSpecificData;
68     void *catchTemp;
69     void *adjustedPtr;
70 
71     _Unwind_Exception unwindHeader;
72 };
73 
74 extern "C" void *__cxa_allocate_exception(
75     std::size_t thrown_size ) throw();
76 extern "C" void __cxa_throw (
77     void *thrown_exception, std::type_info *tinfo, void (*dest) (void *) ) __attribute__((noreturn));
78 
79 struct __cxa_eh_globals
80 {
81     __cxa_exception *caughtExceptions;
82     unsigned int uncaughtExceptions;
83 };
84 extern "C" __cxa_eh_globals *__cxa_get_globals () throw();
85 
86 // -----
87 
88 // on OSX 64bit the class_type_info classes are specified
89 // in http://refspecs.linuxbase.org/cxxabi-1.86.html#rtti but
90 // these details are not generally available in a public header
91 // of most development environments. So we define them here.
92 class __class_type_info : public std::type_info
93 {
94 public:
95         explicit __class_type_info( const char* pRttiName)
96         : std::type_info( pRttiName)
97         {}
98 };
99 
100 class __si_class_type_info : public __class_type_info
101 {
102         const __class_type_info* mpBaseType;
103 public:
104         explicit __si_class_type_info( const char* pRttiName, __class_type_info* pBaseType)
105         : __class_type_info( pRttiName), mpBaseType( pBaseType)
106         {}
107 };
108 
109 //==================================================================================================
110 void raiseException(
111     uno_Any * pUnoExc, uno_Mapping * pUno2Cpp );
112 //==================================================================================================
113 void fillUnoException(
114     __cxa_exception * header, uno_Any *, uno_Mapping * pCpp2Uno );
115 }
116 
117