[interpreter] Add Interpreter{Entry,Exit}Trampoline builtins.

src/arm/macro-assembler-arm.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_ARM_MACRO_ASSEMBLER_ARM_H_
 #define V8_ARM_MACRO_ASSEMBLER_ARM_H_
 
 #include "src/assembler.h"
 #include "src/bailout-reason.h"
 #include "src/frames.h"
 #include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 
 // ----------------------------------------------------------------------------
 // Static helper functions
 
 // Generate a MemOperand for loading a field from an object.
 inline MemOperand FieldMemOperand(Register object, int offset) {
   return MemOperand(object, offset - kHeapObjectTag);
 }
 
 
 // Give alias names to registers
 const Register cp = { kRegister_r7_Code };  // JavaScript context pointer.
 const Register pp = { kRegister_r8_Code };  // Constant pool pointer.
 const Register kRootRegister = { kRegister_r10_Code };  // Roots array pointer.
+const Register kInterpreterBytecodeOffsetRegister = {
+    kRegister_r5_Code  // Interpreter bytecode offset.
+};
+const Register kInterpreterBytecodeArrayRegister = {
+    kRegister_r6_Code  // Interpreter bytecode array pointer.
+};
+const Register kInterpreterDispatchTableRegister = {
+    kRegister_r8_Code  // Interpreter dispatch table.
+};
 
 // Flags used for AllocateHeapNumber
 enum TaggingMode {
   // Tag the result.
   TAG_RESULT,
   // Don't tag
   DONT_TAG_RESULT
 };
 
 
@@ skipping 1525 matching lines @@
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_MACRO_ASSEMBLER_ARM_H_