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67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Allocates a C++ exception. This function is part of the Itanium C++ ABI and
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* is provided externally.
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*/
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/*
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* Note: Recent versions of libsupc++ already provide a prototype for
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* __cxa__allocate_exception(). Since the libsupc++ version is defined with
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* _GLIBCXX_NOTHROW, clang gives a type mismatch error.
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*/
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#ifndef __cplusplus
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#undef CXA_ALLOCATE_EXCEPTION_SPECIFIER
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#define CXA_ALLOCATE_EXCEPTION_SPECIFIER
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#endif
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void *__cxa_allocate_exception(size_t thrown_size) CXA_ALLOCATE_EXCEPTION_SPECIFIER;
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/**
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* Initialises an exception object returned by __cxa_allocate_exception() for
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* storing an Objective-C object. The return value is the location of the
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* _Unwind_Exception structure within this structure, and should be passed to
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* the C++ personality function.
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*/
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struct _Unwind_Exception *objc_init_cxx_exception(id thrown_exception);
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/**
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* The GNU C++ exception personality function, provided by libsupc++ (GNU) or
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* libcxxrt (PathScale).
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*/
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__attribute__((weak)) DECLARE_PERSONALITY_FUNCTION(__gxx_personality_v0);
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/**
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* Frees an exception object allocated by __cxa_allocate_exception(). Part of
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* the Itanium C++ ABI.
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*/
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void __cxa_free_exception(void *thrown_exception);
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/**
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* Tests whether a C++ exception contains an Objective-C object, and returns if
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* if it does. The second argument is a pointer to a boolean value indicating
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* whether this is a valid object.
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*/
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void *objc_object_for_cxx_exception(void *thrown_exception, int *isValid);
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/**
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* Prints the type info associated with an exception. Used only when
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* debugging, not compiled in the normal build.
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*/
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void print_type_info(void *thrown_exception);
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/**
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* The exception class that we've detected that C++ runtime library uses.
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*/
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extern uint64_t cxx_exception_class;
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/**
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* The exception class that libsupc++ and libcxxrt use.
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*/
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const uint64_t gnu_cxx_exception_class = EXCEPTION_CLASS('G','N','U','C','C','+','+','\0');
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/**
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* The exception class that libc++abi uses.
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*/
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const uint64_t llvm_cxx_exception_class = EXCEPTION_CLASS('C','L','N','G','C','+','+','\0');
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#ifdef __cplusplus
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}
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#endif
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