--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/v850/rtems.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,41 @@
+/* Definitions for rtems targeting a v850 using ELF.
+   Copyright (C) 2012-2017 Free Software Foundation, Inc.
+
+   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 3, 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.
+
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Specify predefined symbols in preprocessor.  */
+
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+      builtin_define( "__rtems__" );		\
+      builtin_assert( "system=rtems" );		\
+    }						\
+  while (0)
+
+/* Map mv850e1 and mv850es to mv850e to match MULTILIB_MATCHES */
+#undef  ASM_SPEC
+#define ASM_SPEC "%{mv850es:-mv850e} \
+%{mv850e1:-mv850e} \
+%{!mv850es:%{!mv850e1:%{mv*:-mv%*}} \
+%{m8byte-align:-m8byte-align} \
+%{mgcc-abi:-mgcc-abi}}"