* m32c/varvects.S: New.

* m32c/varvects.h: New.
* m32c/sample.c: New.
* m32c/Makefile.in: Add m32cgloss library support.
* m32c/crt0.S: Tweaks to support interrupts by default.
* m32c/m32c.tmpl: Likewise.

libgloss/m32c/varvects.h

@@ -0,0 +1,54 @@
+/*
+
+Copyright (c) 2008 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. 
+
+*/
+
+/* This file defines the interface to the built-in variable vector
+   table in R8C/M16C/M32C chips.  */
+
+#ifndef _VARVECTS_H_
+#define _VARVECTS_H_
+
+typedef void (*_m32c_interrupt_func)() __attribute__((mode(SI)));
+extern _m32c_interrupt_func _var_vects[];
+
+#if defined(__r8c_cpu__) || defined (__m16c_cpu__)
+
+#define _set_var_vect(f,n) \
+  { asm ("mov.w #%%lo16(%d0),__var_vects+%d1" : : "s" (f), "g" (n*4));	\
+    asm ("mov.w #%%hi16(%d0),__var_vects+%d1" : : "s" (f), "g" (n*4+2)); }
+
+#else
+
+#define _set_var_vect(f,n) \
+  _var_vects[n] = f
+
+#endif
+#endif