First draft of the sh4 port

src/sh4/lithium-gap-resolver-sh4.h

Index: src/sh4/lithium-gap-resolver-sh4.h
diff --git a/src/arm/lithium-gap-resolver-arm.h b/src/sh4/lithium-gap-resolver-sh4.h
similarity index 93%
copy from src/arm/lithium-gap-resolver-arm.h
copy to src/sh4/lithium-gap-resolver-sh4.h
index 9dd09c8d03b80da4bc79c9e166a6ee983bff34ff..f3431dc531d280662b0be3566eb857ca8306ae18 100644
--- a/src/arm/lithium-gap-resolver-arm.h
+++ b/src/sh4/lithium-gap-resolver-sh4.h
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2011-2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -25,8 +25,8 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#ifndef V8_ARM_LITHIUM_GAP_RESOLVER_ARM_H_
-#define V8_ARM_LITHIUM_GAP_RESOLVER_ARM_H_
+#ifndef V8_SH4_LITHIUM_GAP_RESOLVER_SH4_H_
+#define V8_SH4_LITHIUM_GAP_RESOLVER_SH4_H_
 
 #include "v8.h"
 
@@ -80,4 +80,4 @@ class LGapResolver BASE_EMBEDDED {
 
 } }  // namespace v8::internal
 
-#endif  // V8_ARM_LITHIUM_GAP_RESOLVER_ARM_H_
+#endif  // V8_SH4_LITHIUM_GAP_RESOLVER_SH4_H_