forked from OSchip/llvm-project
189 lines
6.2 KiB
C++
189 lines
6.2 KiB
C++
//===--------------------------- cxxabi.h ---------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef __CXXABI_H
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#define __CXXABI_H
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/*
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* This header provides the interface to the C++ ABI as defined at:
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* http://www.codesourcery.com/cxx-abi/
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*/
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#include <stddef.h>
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#include <stdint.h>
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#define LIBCXXABI_NORETURN
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namespace std {
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class type_info; // forward declaration
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}
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// runtime routines use C calling conventions, but are in __cxxabiv1 namespace
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namespace __cxxabiv1 {
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extern "C" {
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// 2.4.2 Allocating the Exception Object
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extern void * __cxa_allocate_exception(size_t thrown_size) throw();
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extern void __cxa_free_exception(void * thrown_exception) throw();
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// 2.4.3 Throwing the Exception Object
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extern LIBCXXABI_NORETURN void __cxa_throw(void * thrown_exception,
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std::type_info * tinfo, void (*dest)(void *));
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// 2.5.3 Exception Handlers
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extern void * __cxa_get_exception_ptr(void * exceptionObject) throw();
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extern void * __cxa_begin_catch(void * exceptionObject) throw();
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extern void __cxa_end_catch();
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extern std::type_info * __cxa_current_exception_type();
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// 2.5.4 Rethrowing Exceptions
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extern LIBCXXABI_NORETURN void __cxa_rethrow();
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// 2.6 Auxiliary Runtime APIs
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extern LIBCXXABI_NORETURN void __cxa_bad_cast(void);
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extern LIBCXXABI_NORETURN void __cxa_bad_typeid(void);
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// 3.2.6 Pure Virtual Function API
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extern LIBCXXABI_NORETURN void __cxa_pure_virtual(void);
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// 3.2.7 Deleted Virtual Function API
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extern LIBCXXABI_NORETURN void __cxa_deleted_virtual(void);
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// 3.3.2 One-time Construction API
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#ifdef LIBCXXABI_ARMEABI
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extern int __cxa_guard_acquire(uint32_t*);
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extern void __cxa_guard_release(uint32_t*);
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extern void __cxa_guard_abort(uint32_t*);
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#else
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extern int __cxa_guard_acquire(uint64_t*);
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extern void __cxa_guard_release(uint64_t*);
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extern void __cxa_guard_abort(uint64_t*);
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#endif
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// 3.3.3 Array Construction and Destruction API
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extern void* __cxa_vec_new(size_t element_count,
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size_t element_size,
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size_t padding_size,
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void (*constructor)(void*),
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void (*destructor)(void*) );
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extern void* __cxa_vec_new2(size_t element_count,
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size_t element_size,
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size_t padding_size,
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void (*constructor)(void*),
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void (*destructor)(void*),
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void* (*alloc)(size_t),
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void (*dealloc)(void*) );
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extern void* __cxa_vec_new3(size_t element_count,
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size_t element_size,
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size_t padding_size,
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void (*constructor)(void*),
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void (*destructor)(void*),
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void* (*alloc)(size_t),
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void (*dealloc)(void*, size_t) );
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extern void __cxa_vec_ctor(void* array_address,
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size_t element_count,
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size_t element_size,
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void (*constructor)(void*),
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void (*destructor)(void*) );
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extern void __cxa_vec_dtor(void* array_address,
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size_t element_count,
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size_t element_size,
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void (*destructor)(void*) );
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extern void __cxa_vec_cleanup(void* array_address,
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size_t element_count,
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size_t element_size,
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void (*destructor)(void*) );
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extern void __cxa_vec_delete(void* array_address,
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size_t element_size,
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size_t padding_size,
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void (*destructor)(void*) );
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extern void __cxa_vec_delete2(void* array_address,
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size_t element_size,
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size_t padding_size,
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void (*destructor)(void*),
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void (*dealloc)(void*) );
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extern void __cxa_vec_delete3(void* __array_address,
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size_t element_size,
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size_t padding_size,
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void (*destructor)(void*),
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void (*dealloc) (void*, size_t));
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extern void __cxa_vec_cctor(void* dest_array,
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void* src_array,
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size_t element_count,
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size_t element_size,
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void (*constructor) (void*, void*),
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void (*destructor)(void*) );
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// 3.3.5.3 Runtime API
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extern int __cxa_atexit(void (*f)(void*), void* p, void* d);
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extern int __cxa_finalize(void*);
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// 3.4 Demangler API
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extern char* __cxa_demangle(const char* mangled_name,
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char* output_buffer,
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size_t* length,
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int* status);
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} // extern "C"
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} // namespace __cxxabiv1
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namespace abi = __cxxabiv1;
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// Below are Apple extensions to support implementing C++ ABI in a seperate dylib
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namespace __cxxabiapple {
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extern "C" {
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// Apple additions to support multiple STL stacks that share common
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// terminate, unexpected, and new handlers
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extern void (*__cxa_terminate_handler)();
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extern void (*__cxa_unexpected_handler)();
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extern void (*__cxa_new_handler)();
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// Apple additions to support C++ 0x exception_ptr class
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// These are primitives to wrap a smart pointer around an exception object
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extern void * __cxa_current_primary_exception() throw();
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extern void __cxa_rethrow_primary_exception(void* primary_exception);
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extern void __cxa_increment_exception_refcount(void* primary_exception) throw();
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extern void __cxa_decrement_exception_refcount(void* primary_exception) throw();
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// Apple addition to support std::uncaught_exception()
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extern bool __cxa_uncaught_exception() throw();
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} // extern "C"
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} // namespace __cxxabiv1
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#endif // __CXXABI_H
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