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