1  /* Check compatibility of CET-enabled executable with dlopened legacy
       2     shared object.
       3     Copyright (C) 2019-2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #include <stdlib.h>
      21  
      22  static int called = 0;
      23  
      24  static void
      25  __attribute__ ((constructor))
      26  init (void)
      27  {
      28    called = 1;
      29  }
      30  
      31  void
      32  foo (void)
      33  {
      34    if (!called)
      35      abort ();
      36  }