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34 lines
969 B
C++
34 lines
969 B
C++
//===---------------- exception_object_alignment.pass.cpp -----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: libcxxabi-no-exceptions
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// Check that the pointer __cxa_allocate_exception returns is aligned to the
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// default alignment for the target architecture.
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#include <cassert>
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#include <cstdint>
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#include <cxxabi.h>
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#include <type_traits>
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#include <__cxxabi_config.h>
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struct S {
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int a[4];
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} __attribute__((aligned));
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int main() {
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#if !defined(_LIBCXXABI_ARM_EHABI)
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void *p = __cxxabiv1::__cxa_allocate_exception(16);
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auto i = reinterpret_cast<uintptr_t>(p);
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auto a = std::alignment_of<S>::value;
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assert(i % a == 0);
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__cxxabiv1::__cxa_free_exception(p);
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#endif
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return 0;
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}
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