[Interpreter] Make dispatch table point to code entry instead of code objects.

src/interpreter/interpreter-assembler.h

 // Copyright 2015 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_INTERPRETER_INTERPRETER_ASSEMBLER_H_
 #define V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_
 
 #include "src/allocation.h"
 #include "src/base/smart-pointers.h"
 #include "src/builtins.h"
@@ skipping 119 matching lines @@
   // Perform a stack guard check.
   void StackCheck();
 
   // Returns from the function.
   void InterpreterReturn();
 
   // Dispatch to the bytecode.
   void Dispatch();
 
   // Dispatch to bytecode handler.
-  void DispatchToBytecodeHandler(compiler::Node* handler,
-                                 compiler::Node* bytecode_offset);
   void DispatchToBytecodeHandler(compiler::Node* handler) {
     DispatchToBytecodeHandler(handler, BytecodeOffset());
   }
 
   // Dispatch bytecode as wide operand variant.
   void DispatchWide(OperandScale operand_scale);
 
   // Abort with the given bailout reason.
   void Abort(BailoutReason bailout_reason);
 
@@ skipping 58 matching lines @@
                                           OperandSize operand_size);
 
   // Returns BytecodeOffset() advanced by delta bytecodes. Note: this does not
   // update BytecodeOffset() itself.
   compiler::Node* Advance(int delta);
   compiler::Node* Advance(compiler::Node* delta);
 
   // Starts next instruction dispatch at |new_bytecode_offset|.
   void DispatchTo(compiler::Node* new_bytecode_offset);
 
+  // Dispatch to the bytecode handler with code offset |handler|.
+  void DispatchToBytecodeHandler(compiler::Node* handler,
+                                 compiler::Node* bytecode_offset);
+
+  // Dispatch to the bytecode handler with code entry point |handler_entry|.
+  void DispatchToBytecodeHandlerEntry(compiler::Node* handler_entry,
+                                      compiler::Node* bytecode_offset);
+
   // Abort operations for debug code.
   void AbortIfWordNotEqual(compiler::Node* lhs, compiler::Node* rhs,
                            BailoutReason bailout_reason);
 
   OperandScale operand_scale() const { return operand_scale_; }
 
   Bytecode bytecode_;
   OperandScale operand_scale_;
   CodeStubAssembler::Variable accumulator_;
   AccumulatorUse accumulator_use_;
   CodeStubAssembler::Variable context_;
   CodeStubAssembler::Variable bytecode_array_;
 
   bool disable_stack_check_across_call_;
   compiler::Node* stack_pointer_before_call_;
 
   DISALLOW_COPY_AND_ASSIGN(InterpreterAssembler);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_