llvm-capstone/libcxxabi/test/noexception1.pass.cpp
Asiri Rathnayake 57e446dafa [libcxxabi] Introduce a -fno-exceptions libc++abi libary variant
Currently there is only support for a -fno-exceptions libc++ build. This is
problematic for functions such as std::terminate() which are defined in
libc++abi and using any of those functions throws away most of the benefits
of using -fno-exceptions (code-size). This patch introduces a -fno-exceptions
libc++abi build to address this issue.

This new variant of libc++abi cannot be linked against any with-exceptions
code as some symbols necessary for handling exceptions are missing in this
library.

Differential revision: http://reviews.llvm.org/D20677

Reviewers: EricWF, mclow.lists, bcraig
llvm-svn: 271267
2016-05-31 12:01:32 +00:00

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//===----------------------- noexception1.pass.cpp ------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// REQUIRES: libcxxabi-no-exceptions
#include <cxxabi.h>
#include <exception>
#include <cassert>
#include <stdlib.h>
// namespace __cxxabiv1 {
// void __cxa_increment_exception_refcount(void *thrown_object) throw();
// }
unsigned gCounter = 0;
void my_terminate() { exit(0); }
int main ()
{
// should not call std::terminate()
__cxxabiv1::__cxa_increment_exception_refcount(nullptr);
std::set_terminate(my_terminate);
// should call std::terminate()
__cxxabiv1::__cxa_increment_exception_refcount((void*) &gCounter);
assert(false);
return 0;
}