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//===------------------------- cxa_exception.hpp --------------------------===//
//
// 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.
//
//
// This file implements the "Exception Handling APIs"
// http://www.codesourcery.com/public/cxx-abi/abi-eh.html
//
//===----------------------------------------------------------------------===//
#include <exception> // for std::unexpected_handler and std::terminate_handler
#include <cxxabi.h>
#include "unwind.h"
namespace __cxxabiv1 {
#pragma GCC visibility push(hidden)
static const uint64_t kOurExceptionClass = 0x434C4E47432B2B00; // CLNGC++\0
static const uint64_t kOurDependentExceptionClass = 0x434C4E47432B2B01; // CLNGC++\1
static const uint64_t get_vendor_and_language = 0xFFFFFFFFFFFFFF00; // mask for CLNGC++
struct __cxa_exception {
#if __LP64__
// This is a new field to support C++ 0x exception_ptr.
// For binary compatibility it is at the start of this
// struct which is prepended to the object thrown in
// __cxa_allocate_exception.
size_t referenceCount;
#endif
// Manage the exception object itself.
std::type_info *exceptionType;
void (*exceptionDestructor)(void *);
std::unexpected_handler unexpectedHandler;
std::terminate_handler terminateHandler;
__cxa_exception *nextException;
int handlerCount;
#ifdef __ARM_EABI_UNWINDER__
__cxa_exception* nextPropagatingException;
int propagationCount;
#else
int handlerSwitchValue;
const unsigned char *actionRecord;
const unsigned char *languageSpecificData;
void *catchTemp;
void *adjustedPtr;
#endif
#if !__LP64__
// This is a new field to support C++ 0x exception_ptr.
// For binary compatibility it is placed where the compiler
// previously adding padded to 64-bit align unwindHeader.
size_t referenceCount;
#endif
_Unwind_Exception unwindHeader;
};
// http://sourcery.mentor.com/archives/cxx-abi-dev/msg01924.html
struct __cxa_dependent_exception {
#if __LP64__
void* primaryException;
#endif
std::type_info *exceptionType;
void (*exceptionDestructor)(void *);
std::unexpected_handler unexpectedHandler;
std::terminate_handler terminateHandler;
__cxa_exception *nextException;
int handlerCount;
#ifdef __ARM_EABI_UNWINDER__
__cxa_exception* nextPropagatingException;
int propagationCount;
#else
int handlerSwitchValue;
const unsigned char *actionRecord;
const unsigned char *languageSpecificData;
void * catchTemp;
void *adjustedPtr;
#endif
#if !__LP64__
void* primaryException;
#endif
_Unwind_Exception unwindHeader;
};
struct __cxa_eh_globals {
__cxa_exception * caughtExceptions;
unsigned int uncaughtExceptions;
#ifdef __ARM_EABI_UNWINDER__
__cxa_exception* propagatingExceptions;
#endif
};
#pragma GCC visibility pop
#pragma GCC visibility push(default)
extern "C" __cxa_eh_globals * __cxa_get_globals ();
extern "C" __cxa_eh_globals * __cxa_get_globals_fast ();
extern "C" void * __cxa_allocate_dependent_exception ();
extern "C" void __cxa_free_dependent_exception (void * dependent_exception);
#pragma GCC visibility pop
}
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