[Interpreter] Add CallRuntime support to the interpreter.

src/interpreter/bytecode-array-builder.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_BYTECODE_ARRAY_BUILDER_H_
 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_
 
 #include <vector>
 
 #include "src/ast.h"
@@ skipping 57 matching lines @@
                                            int feedback_slot,
                                            LanguageMode language_mode);
 
   // Call a JS function. The JSFunction or Callable to be called should be in
   // |callable|, the receiver should be in |receiver| and all subsequent
   // arguments should be in registers <receiver + 1> to
   // <receiver + 1 + arg_count>.
   BytecodeArrayBuilder& Call(Register callable, Register receiver,
                              size_t arg_count);
 
+  // Call the runtime function with |function_id|. The first argument should be
+  // in |first_arg| and all subsequent arguments should be in registers \
+  // <first_arg + 1> to <first_arg + 1 + arg_count>.
+  BytecodeArrayBuilder& CallRuntime(Runtime::FunctionId function_id,
+                                    Register first_arg, size_t arg_count);
+
   // Operators (register == lhs, accumulator = rhs).
   BytecodeArrayBuilder& BinaryOperation(Token::Value binop, Register reg);
 
   // Tests.
   BytecodeArrayBuilder& CompareOperation(Token::Value op, Register reg,
                                          LanguageMode language_mode);
 
   // Casts
   BytecodeArrayBuilder& CastAccumulatorToBoolean();
 
@@ skipping 122 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(TemporaryRegisterScope);
 };
 
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_