elf/tst-dlopen-nodelete-reloc-mod4.c

   1 /* Test propagation of NODELETE to an already-loaded object via relocation.
   2    Intermediate helper module.
   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 <stdbool.h>
  21 #include <stdio.h>
  22 #include <unistd.h>
  23
  24 /* Defined in tst-dlopen-nodelete-reloc-mod3.so.  The dependency is
  25    expressed via DT_NEEDED.  */
  26 extern bool may_finalize_mod3;
  27
  28 static void __attribute__ ((destructor))
  29 fini (void)
  30 {
  31   if (!may_finalize_mod3)
  32     {
  33       puts ("error: tst-dlopen-nodelete-reloc-mod4.so destructor"
  34             " called too early");
  35       _exit (1);
  36     }
  37 }