Differential D19566 Diff 55036 contrib/libcxxabi/src/cxa_noexception.cpp

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				//===------------------------- cxa_exception.cpp --------------------------===//
				//
				// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
				// See https://llvm.org/LICENSE.txt for license information.
				// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
				//
				//
				// This file implements the "Exception Handling APIs"
				// http://mentorembedded.github.io/cxx-abi/abi-eh.html
				//
				//===----------------------------------------------------------------------===//

				// Support functions for the no-exceptions libc++ library

				#include "cxxabi.h"

				#include <exception> // for std::terminate
				#include "cxa_exception.hpp"
				#include "cxa_handlers.hpp"

				namespace __cxxabiv1 {

				extern "C" {

				void
				__cxa_increment_exception_refcount(void *thrown_object) throw() {
				if (thrown_object != nullptr)
				std::terminate();
				}

				void
				__cxa_decrement_exception_refcount(void *thrown_object) throw() {
				if (thrown_object != nullptr)
				std::terminate();
				}


				void *__cxa_current_primary_exception() throw() { return nullptr; }

				void
				__cxa_rethrow_primary_exception(void* thrown_object) {
				if (thrown_object != nullptr)
				std::terminate();
				}

				bool
				__cxa_uncaught_exception() throw() { return false; }

				unsigned int
				__cxa_uncaught_exceptions() throw() { return 0; }

				} // extern "C"

				// provide dummy implementations for the 'no exceptions' case.
				uint64_t __getExceptionClass (const _Unwind_Exception*) { return 0; }
				void __setExceptionClass ( _Unwind_Exception*, uint64_t) {}
				bool __isOurExceptionClass(const _Unwind_Exception*) { return false; }

				} // abi