First draft of the sh4 port

src/code-stubs.h

 // Copyright 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:
 //
 //     * 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
@@ skipping 79 matching lines @@
 
 // List of code stubs only used on MIPS platforms.
 #ifdef V8_TARGET_ARCH_MIPS
 #define CODE_STUB_LIST_MIPS(V)  \
   V(RegExpCEntry)               \
   V(DirectCEntry)
 #else
 #define CODE_STUB_LIST_MIPS(V)
 #endif
 
+// List of code stubs only used on SH4 platforms
+#ifdef V8_TARGET_ARCH_SH4
+# define CODE_STUB_LIST_SH4(V)  \
+  V(RegExpCEntry)               \
+  V(DirectCEntry)
+#else
+#define CODE_STUB_LIST_SH4(V)
+#endif
+
 // Combined list of code stubs.
 #define CODE_STUB_LIST(V)            \
   CODE_STUB_LIST_ALL_PLATFORMS(V)    \
   CODE_STUB_LIST_ARM(V)              \
-  CODE_STUB_LIST_MIPS(V)
+  CODE_STUB_LIST_MIPS(V)             \
+  CODE_STUB_LIST_SH4(V)
 
 // Mode to overwrite BinaryExpression values.
 enum OverwriteMode { NO_OVERWRITE, OVERWRITE_LEFT, OVERWRITE_RIGHT };
 enum UnaryOverwriteMode { UNARY_OVERWRITE, UNARY_NO_OVERWRITE };
 
 
 // Stub is base classes of all stubs.
 class CodeStub BASE_EMBEDDED {
  public:
   enum Major {
@@ skipping 134 matching lines @@
 } }  // namespace v8::internal
 
 #if V8_TARGET_ARCH_IA32
 #include "ia32/code-stubs-ia32.h"
 #elif V8_TARGET_ARCH_X64
 #include "x64/code-stubs-x64.h"
 #elif V8_TARGET_ARCH_ARM
 #include "arm/code-stubs-arm.h"
 #elif V8_TARGET_ARCH_MIPS
 #include "mips/code-stubs-mips.h"
+#elif V8_TARGET_ARCH_SH4
+#include "sh4/code-stubs-sh4.h"
 #else
 #error Unsupported target architecture.
 #endif
 
 namespace v8 {
 namespace internal {
 
 
 // RuntimeCallHelper implementation used in stubs: enters/leaves a
 // newly created internal frame before/after the runtime call.
@@ skipping 913 matching lines @@
 
   // The current function entry hook.
   static FunctionEntryHook entry_hook_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_