x64: Generate code for loading from, storing to and calling properties.

src/x64/frames-x64.cc

 // Copyright 2009 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 62 matching lines @@
   UNIMPLEMENTED();
   return NULL;
 }
 
 
 void ExitFrame::Iterate(ObjectVisitor* a) const {
   UNIMPLEMENTED();
 }
 
 byte* InternalFrame::GetCallerStackPointer() const {
-  UNIMPLEMENTED();
-  return NULL;
+  // Internal frames have no arguments. The stack pointer of the
+  // caller is at a fixed offset from the frame pointer.
+  return fp() + StandardFrameConstants::kCallerSPOffset;
 }
 
 byte* JavaScriptFrame::GetCallerStackPointer() const {
   UNIMPLEMENTED();
   return NULL;
 }
 
 
 } }  // namespace v8::internal