| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // Forced unwinding causes std::terminate when going through noexcept. |
| |
| // UNSUPPORTED: no-exceptions, c++03 |
| |
| // These tests fail on previously released dylibs, investigation needed. |
| // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}} |
| |
| #include <exception> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <unwind.h> |
| #include <tuple> |
| #include <__cxxabi_config.h> |
| |
| template <typename T> |
| struct Stop; |
| |
| template <typename R, typename... Args> |
| struct Stop<R (*)(Args...)> { |
| // The third argument of _Unwind_Stop_Fn is uint64_t in Itanium C++ ABI/LLVM |
| // libunwind while _Unwind_Exception_Class in libgcc. |
| typedef typename std::tuple_element<2, std::tuple<Args...>>::type type; |
| |
| static _Unwind_Reason_Code stop(int, _Unwind_Action actions, type, |
| struct _Unwind_Exception*, |
| struct _Unwind_Context*, void*) { |
| if (actions & _UA_END_OF_STACK) |
| abort(); |
| return _URC_NO_REASON; |
| } |
| }; |
| |
| static void forced_unwind() { |
| _Unwind_Exception* exc = new _Unwind_Exception; |
| memset(&exc->exception_class, 0, sizeof(exc->exception_class)); |
| exc->exception_cleanup = 0; |
| _Unwind_ForcedUnwind(exc, Stop<_Unwind_Stop_Fn>::stop, 0); |
| abort(); |
| } |
| |
| static void test() noexcept { forced_unwind(); } |
| |
| static void terminate() { exit(0); } |
| |
| int main(int, char**) { |
| std::set_terminate(terminate); |
| try { |
| test(); |
| } catch (...) { |
| } |
| abort(); |
| } |