webkitgtk-2.4.9webkitgtk-2.4.9

1 files changed, 12 insertions, 9 deletions

diff --git a/Source/JavaScriptCore/heap/WriteBarrierBuffer.h b/Source/JavaScriptCore/heap/WriteBarrierBuffer.h
index 7359083cd..9126bdbe9 100644
--- a/Source/JavaScriptCore/heap/WriteBarrierBuffer.h
+++ b/Source/JavaScriptCore/heap/WriteBarrierBuffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -33,7 +33,10 @@ namespace JSC {
 class Heap;
 class JSCell;
 
+namespace FTL { class LowerDFGToLLVM; }
+
 class WriteBarrierBuffer {
+    friend class FTL::LowerDFGToLLVM;
 public:
     WriteBarrierBuffer(unsigned capacity);
     ~WriteBarrierBuffer();
@@ -42,25 +45,25 @@ public:
     void flush(Heap&);
     void reset();
 
-    unsigned* currentIndexAddress()
+    static ptrdiff_t currentIndexOffset()
     {
-        return &m_currentIndex;
+        return OBJECT_OFFSETOF(WriteBarrierBuffer, m_currentIndex);
     }
 
-    unsigned capacity() const
+    static ptrdiff_t capacityOffset()
     {
-        return m_capacity;
+        return OBJECT_OFFSETOF(WriteBarrierBuffer, m_capacity);
     }
 
-    JSCell** buffer()
+    static ptrdiff_t bufferOffset()
     {
-        return m_buffer;
+        return OBJECT_OFFSETOF(WriteBarrierBuffer, m_buffer);
     }
 
 private:
     unsigned m_currentIndex;
-    const unsigned m_capacity;
-    JSCell** const m_buffer;
+    unsigned m_capacity;
+    JSCell** m_buffer;
 };
 
 } // namespace JSC