AllocationSite objects weakly linked for traversal

src/serialize.h

 // Copyright 2012 the V8 project authors. 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 329 matching lines @@
   virtual void VisitPointers(Object** start, Object** end);
 
   virtual void VisitExternalReferences(Address* start, Address* end) {
     UNREACHABLE();
   }
 
   virtual void VisitRuntimeEntry(RelocInfo* rinfo) {
     UNREACHABLE();
   }
 
+  // Allocation sites are present in the snapshot, and must be linked into
+  // a list at deserialization time.
+  void RelinkAllocationSite(AllocationSite* site);
+
   // Fills in some heap data in an area from start to end (non-inclusive).  The
   // space id is used for the write barrier.  The object_address is the address
   // of the object we are writing into, or NULL if we are not writing into an
   // object, i.e. if we are writing a series of tagged values that are not on
   // the heap.
   void ReadChunk(
       Object** start, Object** end, int space, Address object_address);
   void ReadObject(int space_number, Object** write_back);
 
   // This routine both allocates a new object, and also keeps
@@ skipping 120 matching lines @@
   // going on.
   static void TooLateToEnableNow() { too_late_to_enable_now_ = true; }
   static bool enabled() { return serialization_enabled_; }
   SerializationAddressMapper* address_mapper() { return &address_mapper_; }
   void PutRoot(int index,
                HeapObject* object,
                HowToCode how,
                WhereToPoint where,
                int skip);
 
+  Isolate* isolate() { return isolate_; }

[Michael Starzinger, 2013/07/17 11:25:30]

nit: It looks like this accessor became obsolete, let's drop it again.

[mvstanton, 2013/07/17 11:49:00]

Done.

+
  protected:
   static const int kInvalidRootIndex = -1;
 
   int RootIndex(HeapObject* heap_object, HowToCode from);
   virtual bool ShouldBeInThePartialSnapshotCache(HeapObject* o) = 0;
   intptr_t root_index_wave_front() { return root_index_wave_front_; }
   void set_root_index_wave_front(intptr_t value) {
     ASSERT(value >= root_index_wave_front_);
     root_index_wave_front_ = value;
   }
@@ skipping 153 matching lines @@
  private:
   virtual bool ShouldBeInThePartialSnapshotCache(HeapObject* o) {
     return false;
   }
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SERIALIZE_H_