Mercurial > hg > CbC > CbC_llvm
view libcxxabi/test/exception_object_alignment.pass.cpp @ 266:00f31e85ec16 default tip
Added tag current for changeset 31d058e83c98
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Sat, 14 Oct 2023 10:13:55 +0900 |
parents | 1f2b6ac9f198 |
children |
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//===----------------------------------------------------------------------===// // // 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: no-exceptions // The situation for the alignment of exception objects is badly messed up // before macOS 10.14. The test fails on macOS 10.9 to 10.12, passes on macOS // 10.13 (no investigation done), and passes afterwards. Just mark all the OSes // before 10.14 as unsupported. // UNSUPPORTED: stdlib=apple-libc++ && target={{.+}}-apple-macosx10.{{9|10|11|12|13}} // 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(int, char**) { #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; }