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

src/mips/frames-mips.h

 // Copyright 2011 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_MIPS_FRAMES_MIPS_H_
 #define V8_MIPS_FRAMES_MIPS_H_
 
 namespace v8 {
@@ skipping 115 matching lines @@
 
 
 // ----------------------------------------------------
 
 class EntryFrameConstants : public AllStatic {
  public:
   static const int kCallerFPOffset =
       -(StandardFrameConstants::kFixedFrameSizeFromFp + 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);
 
   // The caller fields are below the frame pointer on the stack.
   static const int kCallerFPOffset = +0 * kPointerSize;
   // The calling JS function is between FP and PC.
   static const int kCallerPCOffset = +1 * kPointerSize;
 
   // MIPS-specific: a pointer to the old sp to avoid unnecessary calculations.
   static const int kCallerSPOffset = +2 * kPointerSize;
 
   // FP-relative displacement of the caller's SP.
   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