[libgloss]

* configure.in: Add rl78.
* configure: Regenerate.
* rl78: New directory

[newlib]
* configure.host: Add rl78.
* libc/include/machine/ieeefp.h: Add rl78 support.
* libc/include/machine/setjmp.h: Add rl78 support.
* libc/machine/configure.in: Add rl78.
* libc/machine/rl78: New directory.

libgloss/rl78/gcrt0.S

@@ -0,0 +1,58 @@
+/* Copyright (c) 2011 Red Hat Incorporated.
+   All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met: 
+
+     Redistributions of source code must retain the above copyright 
+     notice, this list of conditions and the following disclaimer.
+
+     Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+
+     The name of Red Hat Incorporated may not be used to endorse 
+     or promote products derived from this software without specific 
+     prior written permission.
+
+   This software is provided by the copyright holders and contributors
+   "AS IS" and any express or implied warranties, including, but not
+   limited to, the implied warranties of merchantability and fitness for
+   a particular purpose are disclaimed.  In no event shall Red Hat
+   incorporated be liable for any direct, indirect, incidental, special,
+   exemplary, or consequential damages (including, but not limited to,
+   procurement of substitute goods or services; loss of use, data, or
+   profits; or business interruption) however caused and on any theory of
+   liability, whether in contract, strict liability, or tort (including
+   negligence or otherwise) arising in any way out of the use of this
+   software, even if advised of the possibility of such damage.  */
+
+#define PROFILE_SUPPORT 1
+
+#include "crt0.S"
+
+	.global __mcount						
+	.type	__mcount, @function
+__mcount:								
+	;; When a function is compiled for profiling, gcc creates code	
+	;; like this at the start of each profiled function:		
+	;;								
+	;;      .global <func_name>					
+	;; <func_name>:							
+	;;      bsr __mcount						
+	;;	<...function's prologue...>				
+	;; 	<...function's body...>					
+	;;								
+	;; We must save all of the argument registers, extract the	
+	;; address of <func_name>, call _mcount_internal to do the	
+	;; real work and then restore the argument registers before	
+	;; returning.							
+									
+	movw	ax, [sp]
+	push	ax
+	call	!!__mcount_internal
+	pop	ax
+	ret
+
+	.size	__mcount, . - __mcount