Oilpan: GC profiling.

Source/platform/heap/Visitor.h

 /*
  * Copyright (C) 2013 Google Inc. 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
@@ skipping 29 matching lines @@
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/HashTraits.h"
 #include "wtf/InstanceCounter.h"
 #include "wtf/LinkedHashSet.h"
 #include "wtf/ListHashSet.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/TypeTraits.h"
 #include "wtf/WeakPtr.h"
-#if ENABLE(GC_TRACING)
+#if GC_PROFILE_DEFINE_CLASSNAME
 #include "wtf/text/WTFString.h"
 #endif
 
 #ifndef NDEBUG
 #define DEBUG_ONLY(x) x
 #else
 #define DEBUG_ONLY(x)
 #endif
 
 namespace WebCore {
@@ skipping 25 matching lines @@
 // the garbage collector determines that the object is no longer
 // reachable. There is a GCInfo struct for each class that directly
 // inherits from GarbageCollected or GarbageCollectedFinalized.
 struct GCInfo {
     bool hasFinalizer() const { return m_nonTrivialFinalizer; }
     bool hasVTable() const { return m_hasVTable; }
     TraceCallback m_trace;
     FinalizationCallback m_finalize;
     bool m_nonTrivialFinalizer;
     bool m_hasVTable;
-#if ENABLE(GC_TRACING)
+#if GC_PROFILE_DEFINE_CLASSNAME
     // |m_className| is held as a reference to prevent dtor being called at exit.
     const String& m_className;
 #endif
 };
 
 // The FinalizerTraitImpl specifies how to finalize objects. Object
 // that inherit from GarbageCollectedFinalized are finalized by
 // calling their 'finalize' method which by default will call the
 // destructor on the object.
 template<typename T, bool isGarbageCollectedFinalized>
@@ skipping 312 matching lines @@
 
     // Macro to declare methods needed for each typed heap.
 #define DECLARE_VISITOR_METHODS(Type)                                  \
     DEBUG_ONLY(void checkGCInfo(const Type*, const GCInfo*);)          \
     virtual void mark(const Type*, TraceCallback) = 0;                 \
     virtual bool isMarked(const Type*) = 0;
 
     FOR_EACH_TYPED_HEAP(DECLARE_VISITOR_METHODS)
 #undef DECLARE_VISITOR_METHODS
 
-#if ENABLE(GC_TRACING)
+#if GC_PROFILE_MARKING
     void setHostInfo(void* object, const String& name)
     {
         m_hostObject = object;
         m_hostName = name;
     }
 #endif
 
 protected:
     virtual void registerWeakCell(void**, WeakPointerCallback) = 0;
-#if ENABLE(GC_TRACING)
+#if GC_PROFILE_MARKING
     void* m_hostObject;
     String m_hostName;
 #endif
 
 private:
     template<typename T>
     static void handleWeakCell(Visitor* self, void* obj)
     {
         T** cell = reinterpret_cast<T**>(obj);
         if (*cell && !self->isAlive(*cell))
@@ skipping 218 matching lines @@
         return visitor->isAlive(this); \
     } \
 private:
 
 #if ENABLE(OILPAN)
 #define WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(TYPE) USING_GARBAGE_COLLECTED_MIXIN(TYPE)
 #else
 #define WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(TYPE)
 #endif
 
-#if ENABLE(GC_TRACING)
+#if GC_PROFILE_DEFINE_CLASSNAME
 template<typename T>
 struct TypenameStringTrait {
     static const String& get()
     {
         DEFINE_STATIC_LOCAL(String, typenameString, (WTF::extractTypeNameFromFunctionName(WTF::extractNameFunction<T>())));
         return typenameString;
     }
 };
 #endif
 
 template<typename T>
 struct GCInfoAtBase {
     static const GCInfo* get()
     {
         static const GCInfo gcInfo = {
             TraceTrait<T>::trace,
             FinalizerTrait<T>::finalize,
             FinalizerTrait<T>::nonTrivialFinalizer,
             WTF::IsPolymorphic<T>::value,
-#if ENABLE(GC_TRACING)
+#if GC_PROFILE_DEFINE_CLASSNAME
             TypenameStringTrait<T>::get()
 #endif
         };
         return &gcInfo;
     }
 };
 
 template<typename T> class GarbageCollected;
 template<typename T, bool = WTF::IsSubclassOfTemplate<typename WTF::RemoveConst<T>::Type, GarbageCollected>::value> struct GetGarbageCollectedBase;
 
@@ skipping 11 matching lines @@
 struct GCInfoTrait {
     static const GCInfo* get()
     {
         return GCInfoAtBase<typename GetGarbageCollectedBase<T>::type>::get();
     }
 };
 
 }
 
 #endif