libgcc/config/rs6000/crtcxa.c

   1 /* __dso_handle initialization for AIX.
   2    Copyright (C) 2013-2024 Free Software Foundation, Inc.
   3    Written by David Edelsohn, IBM.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 Under Section 7 of GPL version 3, you are granted additional
  18 permissions described in the GCC Runtime Library Exception, version
  19 3.1, as published by the Free Software Foundation.
  20
  21 You should have received a copy of the GNU General Public License and
  22 a copy of the GCC Runtime Library Exception along with this program;
  23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 <http://www.gnu.org/licenses/>.  */
  25
  26 #ifdef SHARED
  27 void *__dso_handle = &__dso_handle;
  28 #else
  29 void *__dso_handle = 0;
  30 #endif
  31
  32 extern void __cxa_finalize (void *);
  33
  34 /* Add __cxa_finalize call to beginning of destructors list.  */
  35 void __init_aix_libgcc_cxa_atexit (void) __attribute__ ((destructor (65535)));
  36
  37 void
  38 __init_aix_libgcc_cxa_atexit (void)
  39 {
  40   __cxa_finalize (__dso_handle);
  41 }
  42