1 /* Check alignment of PT_LOAD segment in a shared library.
2 Copyright (C) 2022 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
19 #include <stdio.h>
20 #include <stdbool.h>
21 #include <stdint.h>
22 #include <support/check.h>
23 #include <tst-file-align.h>
24 #include "tst-p_align.h"
25
26 int foo __attribute__ ((aligned (ALIGN))) = 1;
27
28 bool
29 __attribute__ ((weak, noclone, noinline))
is_aligned_p(void * p,int align)30 is_aligned_p (void *p, int align)
31 {
32 return (((uintptr_t) p) & (align - 1)) == 0;
33 }
34
35 int
do_load_test(void)36 do_load_test (void)
37 {
38 printf ("foo: %p\n", &foo);
39 TEST_VERIFY (is_aligned_p (&foo, ALIGN));
40 return 0;
41 }
42