forked from OSchip/llvm-project
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// Forced unwinding causes std::terminate when going through noexcept.
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// UNSUPPORTED: no-exceptions, c++03
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// These tests fail on previously released dylibs, investigation needed.
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// XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.15
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// XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.14
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// XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.13
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// XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.12
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// XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.11
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// XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.10
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// XFAIL: use_system_cxx_lib && x86_64-apple-macosx10.9
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#include <exception>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unwind.h>
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#include <tuple>
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#include <__cxxabi_config.h>
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#if defined(_LIBCXXABI_ARM_EHABI)
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int main(int, char**) {
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return 0;
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}
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#else
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template <typename T>
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struct Stop;
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template <typename R, typename... Args>
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struct Stop<R (*)(Args...)> {
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// The third argument of _Unwind_Stop_Fn is uint64_t in Itanium C++ ABI/LLVM
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// libunwind while _Unwind_Exception_Class in libgcc.
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typedef typename std::tuple_element<2, std::tuple<Args...>>::type type;
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static _Unwind_Reason_Code stop(int, _Unwind_Action actions, type,
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struct _Unwind_Exception*,
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struct _Unwind_Context*, void*) {
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if (actions & _UA_END_OF_STACK)
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abort();
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return _URC_NO_REASON;
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}
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};
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static void forced_unwind() {
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_Unwind_Exception* exc = new _Unwind_Exception;
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exc->exception_class = 0;
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exc->exception_cleanup = 0;
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_Unwind_ForcedUnwind(exc, Stop<_Unwind_Stop_Fn>::stop, 0);
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abort();
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}
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static void test() noexcept { forced_unwind(); }
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static void terminate() { exit(0); }
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int main(int, char**) {
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std::set_terminate(terminate);
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try {
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test();
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} catch (...) {
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}
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abort();
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}
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#endif
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