1  /* Check alignment of PT_LOAD segment in a shared library.
       2     Copyright (C) 2022-2023 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))
      30  is_aligned_p (void *p, int align)
      31  {
      32    return (((uintptr_t) p) & (align - 1)) == 0;
      33  }
      34  
      35  int
      36  do_load_test (void)
      37  {
      38    printf ("foo: %p\n", &foo);
      39    TEST_VERIFY (is_aligned_p (&foo, ALIGN));
      40    return 0;
      41  }