1 | //===----------------------------------------------------------------------===// |
---|---|
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | // UNSUPPORTED: no-exceptions |
10 | |
11 | // Check that the pointer __cxa_allocate_exception returns is aligned to the |
12 | // default alignment for the target architecture. |
13 | |
14 | #include <cassert> |
15 | #include <cstdint> |
16 | #include <cxxabi.h> |
17 | #include <type_traits> |
18 | #include <__cxxabi_config.h> |
19 | |
20 | struct S { |
21 | int a[4]; |
22 | } __attribute__((aligned)); |
23 | |
24 | int main(int, char**) { |
25 | #if !defined(_LIBCXXABI_ARM_EHABI) |
26 | void *p = __cxxabiv1::__cxa_allocate_exception(16); |
27 | auto i = reinterpret_cast<uintptr_t>(p); |
28 | auto a = std::alignment_of<S>::value; |
29 | assert(i % a == 0); |
30 | __cxxabiv1::__cxa_free_exception(p); |
31 | #endif |
32 | return 0; |
33 | } |
34 |