forked from OSchip/llvm-project
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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;
|
|
exc->exception_class = 0;
|
|
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();
|
|
}
|