xref: /openbsd-src/gnu/gcc/gcc/config/avr/rtems.h (revision 404b540a9034ac75a6199ad1a32d1bbc7a0d4210)
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)
30