elf/tst-dlopen-nodelete-reloc-mod1.c

   1 /* Test propagation of NODELETE to an already-loaded object via relocation.
   2    Non-NODELETE helper module.
   3    Copyright (C) 2019-2020 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 /* Globally exported.  Set by the main program to true before
  25    termination, and used by tst-dlopen-nodelete-reloc-mod2.so to
  26    trigger marking this module as NODELETE (and also for its destructor
  27    check).  */
  28 bool may_finalize_mod1 = false;
  29
  30 static void __attribute__ ((destructor))
  31 fini (void)
  32 {
  33   if (!may_finalize_mod1)
  34     {
  35       puts ("error: tst-dlopen-nodelete-reloc-mod1.so destructor"
  36             " called too early");
  37       _exit (1);
  38     }
  39 }