[interpreter] Add basic framework for bytecode handler code generation.

src/compiler/raw-machine-assembler.cc

 // Copyright 2014 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.
 
+#include "src/compiler/raw-machine-assembler.h"
+
 #include "src/code-factory.h"
 #include "src/compiler/pipeline.h"
-#include "src/compiler/raw-machine-assembler.h"
 #include "src/compiler/scheduler.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 RawMachineAssembler::RawMachineAssembler(Isolate* isolate, Graph* graph,
                                          CallDescriptor* call_descriptor,
                                          MachineType word,
                                          MachineOperatorBuilder::Flags flags)
@@ skipping 99 matching lines @@
                                    Node* context, Node* frame_state) {
   CallDescriptor* descriptor = Linkage::GetJSCallDescriptor(
       zone(), false, 1, CallDescriptor::kNeedsFrameState);
   Node* call = graph()->NewNode(common()->Call(descriptor), function, receiver,
                                 context, frame_state);
   schedule()->AddNode(CurrentBlock(), call);
   return call;
 }
 
 
+Node* RawMachineAssembler::CallInterpreterHandler(Node* target_handler,
+                                                  Node* bytecodes,
+                                                  Node* dispatch_table) {
+  CallDescriptor* descriptor =
+      Linkage::GetInterpreterDispatchDescriptor(zone(), false);
+  Node* call = graph()->NewNode(common()->Call(descriptor),
+      target_handler, bytecodes, dispatch_table);
+  schedule()->AddNode(CurrentBlock(), call);
+  return call;
+}
+
+
 Node* RawMachineAssembler::CallRuntime1(Runtime::FunctionId function,
                                         Node* arg0, Node* context,
                                         Node* frame_state) {
   CallDescriptor* descriptor = Linkage::GetRuntimeCallDescriptor(
       zone(), function, 1, Operator::kNoProperties);
 
   Node* centry = HeapConstant(CEntryStub(isolate(), 1).GetCode());
   Node* ref = NewNode(
       common()->ExternalConstant(ExternalReference(function, isolate())));
   Node* arity = Int32Constant(1);
@@ skipping 112 matching lines @@
                                                            : CurrentBlock();
   if (op->opcode() != IrOpcode::kReturn) {
     schedule()->AddNode(block, node);
   }
   return node;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8