File: alignment.pass.cpp

package info (click to toggle)
cccl 2.3.2-2
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 89,900 kB
  • sloc: cpp: 697,664; ansic: 26,964; python: 11,928; sh: 3,284; asm: 2,154; perl: 460; makefile: 112; xml: 13
file content (28 lines) | stat: -rw-r--r-- 938 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// -*- 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

int main()
{
}