A64: add missing files.

src/a64/frames-a64.cc

Index: src/a64/frames-a64.cc
diff --git a/src/arm/frames-arm.cc b/src/a64/frames-a64.cc
similarity index 88%
copy from src/arm/frames-arm.cc
copy to src/a64/frames-a64.cc
index f5a7dbd3ee1a791d193f4ad9bafb821325988007..0d629f22ae812f0b42c13c29deade26bc723d77b 100644
--- a/src/arm/frames-arm.cc
+++ b/src/a64/frames-a64.cc
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2013 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:
@@ -27,14 +27,9 @@
 
 #include "v8.h"
 
-#if defined(V8_TARGET_ARCH_ARM)
+#if defined(V8_TARGET_ARCH_A64)
 
-#include "assembler.h"
-#include "assembler-arm.h"
-#include "assembler-arm-inl.h"
 #include "frames-inl.h"
-#include "macro-assembler.h"
-#include "macro-assembler-arm.h"
 
 namespace v8 {
 namespace internal {
@@ -55,4 +50,4 @@ Register StubFailureTrampolineFrame::context_register() { return cp; }
 
 } }  // namespace v8::internal
 
-#endif  // V8_TARGET_ARCH_ARM
+#endif  // V8_TARGET_ARCH_A64