old-autovect-branch/gcc/config/avr/rtems.h

   1 /* Definitions for rtems targeting a AVR using ELF.
   2    Copyright (C) 2004 Free Software Foundation, Inc.
   3    Contributed by Ralf Corsepius (ralf.corsepius@rtems.org).
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22 /* Specify predefined symbols in preprocessor.  */
  23
  24 #define TARGET_OS_CPP_BUILTINS()        \
  25 do {                                    \
  26   builtin_define ("__rtems__");         \
  27   builtin_define ("__USE_INIT_FINI__"); \
  28   builtin_assert ("system=rtems");      \
  29 } while (0)