Use StackArgumenstAccessor and kPCOnStackSize/kFPOnStackSize to compute stack address/operand

src/x64/frames-x64.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 52 matching lines @@
   static const int kArgvOffset          = 6 * kPointerSize;
 };
 
 
 class ExitFrameConstants : public AllStatic {
  public:
   static const int kCodeOffset      = -2 * kPointerSize;
   static const int kSPOffset        = -1 * kPointerSize;
 
   static const int kCallerFPOffset  = +0 * kPointerSize;
-  static const int kCallerPCOffset  = +1 * kPointerSize;
+  static const int kCallerPCOffset  = kFPOnStackSize;
 
   // FP-relative displacement of the caller's SP.  It points just
   // below the saved PC.
-  static const int kCallerSPDisplacement = +2 * kPointerSize;
+  static const int kCallerSPDisplacement = kCallerPCOffset + kPCOnStackSize;
 };
 
 
 class JavaScriptFrameConstants : public AllStatic {
  public:
   // FP-relative.
   static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset;
-  static const int kLastParameterOffset = +2 * kPointerSize;
+  static const int kLastParameterOffset = kFPOnStackSize + kPCOnStackSize;
   static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset;
 
   // Caller SP-relative.
   static const int kParam0Offset   = -2 * kPointerSize;
   static const int kReceiverOffset = -1 * kPointerSize;
 };
 
 
 class ArgumentsAdaptorFrameConstants : public AllStatic {
  public:
@@ skipping 32 matching lines @@
 
 
 inline void StackHandler::SetFp(Address slot, Address fp) {
   Memory::Address_at(slot) = fp;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_FRAMES_X64_H_