--- a/gcc/config/sparc/rtemself.h	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/config/sparc/rtemself.h	Fri Oct 27 22:46:09 2017 +0900
@@ -1,22 +1,27 @@
 /* Definitions for rtems targeting a SPARC using ELF.
-   Copyright (C) 1996, 1997, 2000, 2002, 2005, 2007 Free Software Foundation, Inc.
+   Copyright (C) 1996-2017 Free Software Foundation, Inc.
    Contributed by Joel Sherrill (joel@OARcorp.com).
 
-This file is part of GCC.
+   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 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.
+   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 COPYING3.  If not see
-<http://www.gnu.org/licenses/>.  */
+   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/>.  */
 
 /* Target OS builtins.  */
 #undef TARGET_OS_CPP_BUILTINS
@@ -26,6 +31,8 @@
 	builtin_define ("__rtems__");		\
 	builtin_define ("__USE_INIT_FINI__");	\
 	builtin_assert ("system=rtems");	\
+	if (sparc_fix_b2bst)			\
+	  builtin_define ("__FIX_LEON3FT_B2BST"); \
     }						\
   while (0)