X87: [runtime] Unify and simplify how frames are marked.

src/x87/frames-x87.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_X87_FRAMES_X87_H_
 #define V8_X87_FRAMES_X87_H_
 
 namespace v8 {
 namespace internal {
 
@@ skipping 24 matching lines @@
  public:
   static const int kCallerFPOffset      = -6 * kPointerSize;
 
   static const int kNewTargetArgOffset = +2 * kPointerSize;
   static const int kFunctionArgOffset   = +3 * kPointerSize;
   static const int kReceiverArgOffset   = +4 * kPointerSize;
   static const int kArgcOffset          = +5 * kPointerSize;
   static const int kArgvOffset          = +6 * kPointerSize;
 };
 
-
-class ExitFrameConstants : public AllStatic {
+class ExitFrameConstants : public TypedFrameConstants {
  public:
-  static const int kFrameSize      = 2 * kPointerSize;
-
-  static const int kCodeOffset     = -2 * kPointerSize;
-  static const int kSPOffset       = -1 * kPointerSize;
+  static const int kSPOffset = TYPED_FRAME_PUSHED_VALUE_OFFSET(0);
+  static const int kCodeOffset = TYPED_FRAME_PUSHED_VALUE_OFFSET(1);
+  DEFINE_TYPED_FRAME_SIZES(2);
 
   static const int kCallerFPOffset =  0 * kPointerSize;
   static const int kCallerPCOffset = +1 * kPointerSize;
 
   // FP-relative displacement of the caller's SP.  It points just
   // below the saved PC.
   static const int kCallerSPDisplacement = +2 * kPointerSize;
 
   static const int kConstantPoolOffset   = 0;  // Not used
 };
 
 
 class JavaScriptFrameConstants : public AllStatic {
  public:
   // FP-relative.
   static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset;
   static const int kLastParameterOffset = +2 * kPointerSize;
-  static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset;
+  static const int kFunctionOffset = StandardFrameConstants::kFunctionOffset;
 
   // Caller SP-relative.
   static const int kParam0Offset   = -2 * kPointerSize;
   static const int kReceiverOffset = -1 * kPointerSize;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_X87_FRAMES_X87_H_