Reland "Call directly to c callbacks in Invoke instead of transitioning to js and back out"

src/arguments.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ARGUMENTS_H_
 #define V8_ARGUMENTS_H_
 
 #include "src/allocation.h"
 #include "src/isolate.h"
 
@@ skipping 40 matching lines @@
 
   double number_at(int index) {
     return (*this)[index]->Number();
   }
 
   // Get the total number of arguments including the receiver.
   int length() const { return static_cast<int>(length_); }
 
   Object** arguments() { return arguments_; }
 
+  Object** lowest_address() { return &this->operator[](length() - 1); }
+
+  Object** highest_address() { return &this->operator[](0); }
+
  private:
   intptr_t length_;
   Object** arguments_;
 };
 
 
 // For each type of callback, we have a list of arguments
 // They are used to generate the Call() functions below
 // These aren't included in the list as they have duplicate signatures
 // F(GenericNamedPropertyEnumeratorCallback, ...)
@@ skipping 210 matching lines @@
 #define RUNTIME_FUNCTION(Name) RUNTIME_FUNCTION_RETURNS_TYPE(Object*, Name)
 #define RUNTIME_FUNCTION_RETURN_PAIR(Name) \
     RUNTIME_FUNCTION_RETURNS_TYPE(ObjectPair, Name)
 
 #define RUNTIME_ARGUMENTS(isolate, args) \
   args.length(), args.arguments(), isolate
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARGUMENTS_H_