llvm-project/libcxxabi/include/cxxabi.h

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