(root)/
glibc-2.38/
elf/
tst-alignmod.c
       1  /* Copyright (C) 2003-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <stdio.h>
      19  #include <tst-stack-align.h>
      20  
      21  static int res, *resp;
      22  
      23  static void __attribute__((constructor))
      24  con (void)
      25  {
      26    res = TEST_STACK_ALIGN () ? -1 : 1;
      27  }
      28  
      29  void
      30  in_dso (int *result)
      31  {
      32    if (!res)
      33      {
      34        puts ("constructor has not been run");
      35        *result = 1;
      36      }
      37    else if (res != 1)
      38      {
      39        puts ("constructor has been run without sufficient alignment");
      40        *result = 1;
      41      }
      42  
      43    resp = result;
      44  }
      45  
      46  static void __attribute__((destructor))
      47  des (void)
      48  {
      49    if (TEST_STACK_ALIGN ())
      50      *resp = 1;
      51  }