rtems.h, t-rtems: New.

* config/bfin/rtems.h, config/bfin/t-rtems: New.
	* config.gcc: Add bfin*-rtems*.

From-SVN: r120573

gcc/ChangeLog

@@ -1,3 +1,8 @@
+2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
+
+	* config/bfin/rtems.h, config/bfin/t-rtems: New.
+	* config.gcc: Add bfin*-rtems*.
+
 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
 
 	* c.opt: Add -flax-vector-conversions.

gcc/config.gcc

@@ -801,6 +801,10 @@ bfin*-uclinux*)
         tmake_file=bfin/t-bfin-elf
         use_collect2=no
         ;;
+bfin*-rtems*)
+	tm_file="${tm_file} dbxelf.h elfos.h bfin/elf.h bfin/rtems.h rtems.h"
+	tmake_file="bfin/t-bfin t-rtems bfin/t-rtems"
+        ;;
 bfin*-*)
 	tm_file="${tm_file} dbxelf.h elfos.h bfin/elf.h"
         tmake_file=bfin/t-bfin

gcc/config/bfin/rtems.h

@@ -0,0 +1,29 @@
+/* Definitions for rtems targeting a bfin
+   Copyright (C) 2006 Free Software Foundation, Inc.
+   Contributed by Ralf Corsépius (ralf.corsepius@rtems.org).
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+/* Target OS preprocessor built-ins.  */
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+      builtin_define ("__rtems__");		\
+      builtin_assert ("system=rtems");		\
+    }						\
+  while (0)

gcc/config/bfin/t-rtems

@@ -0,0 +1,6 @@
+# Multilibs for fbin RTEMS targets.
+
+MULTILIB_OPTIONS	=
+MULTILIB_DIRNAMES	=
+MULTILIB_EXTRA_OPTS	=
+MULTILIB_EXCEPTIONS 	=