llvm-project

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// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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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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// The Itanium ABI requires that _Unwind_Exception objects are "double-word
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// aligned".
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#include <unwind.h>
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// EHABI  : 8-byte aligned
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// itanium: largest supported alignment for the system
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#if defined(_LIBUNWIND_ARM_EHABI)
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static_assert(alignof(_Unwind_Control_Block) == 8,
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              "_Unwind_Control_Block must be double-word aligned");
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#else
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struct MaxAligned {} __attribute__((__aligned__));
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static_assert(alignof(_Unwind_Exception) == alignof(MaxAligned),
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              "_Unwind_Exception must be maximally aligned");
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#endif
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