1/* Check stack alignment. X86 version.
2 Copyright (C) 2021-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19typedef struct { int i[16]; } int_al16 __attribute__((aligned (16)));
20
21#define TEST_STACK_ALIGN_INIT() \
22 ({ \
23 int_al16 _m; \
24 printf ("int_al16: %p %zu\n", &_m, __alignof (int_al16)); \
25 is_aligned (&_m, __alignof (int_al16)); \
26 })
27
28#include_next <tst-stack-align.h>
29

source code of glibc/sysdeps/x86/tst-stack-align.h