| //===---------------- exception_object_alignment.pass.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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: libcxxabi-no-exceptions |
| |
| // Check that the pointer __cxa_allocate_exception returns is aligned to the |
| // default alignment for the target architecture. |
| |
| #include <cassert> |
| #include <cstdint> |
| #include <cxxabi.h> |
| #include <type_traits> |
| #include <__cxxabi_config.h> |
| |
| struct S { |
| int a[4]; |
| } __attribute__((aligned)); |
| |
| int main() { |
| #if !defined(_LIBCXXABI_ARM_EHABI) |
| void *p = __cxxabiv1::__cxa_allocate_exception(16); |
| auto i = reinterpret_cast<uintptr_t>(p); |
| auto a = std::alignment_of<S>::value; |
| assert(i % a == 0); |
| __cxxabiv1::__cxa_free_exception(p); |
| #endif |
| return 0; |
| } |