text: // 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_IA32_FRAMES_IA32_H_
  #define V8_IA32_FRAMES_IA32_H_
  
  namespace v8 {
  namespace internal {
  
  class EntryFrameConstants : public AllStatic {
   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 TypedFrameConstants {
   public:
    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::kFunctionOffset;
  
    // Caller SP-relative.
    static const int kParam0Offset = -2 * kPointerSize;
    static const int kReceiverOffset = -1 * kPointerSize;
  };
  
  }  // namespace internal
  }  // namespace v8
  
  #endif  // V8_IA32_FRAMES_IA32_H_
  