* Complete new store buffer on ia32. The store buffer now covers...

src/serialize.cc

 // Copyright 2006-2008 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 970 matching lines @@
 
       case kNewPage: {
         int space = source_->Get();
         pages_[space].Add(last_object_address_);
         if (space == CODE_SPACE) {
           CPU::FlushICache(last_object_address_, Page::kPageSize);
         }
         break;
       }
 
+      case kSkip: {
+        current++;
+        break;
+      }
+
       case kNativesStringResource: {
         int index = source_->Get();
         Vector<const char> source_vector = Natives::GetScriptSource(index);
         NativesExternalStringResource* resource =
             new NativesExternalStringResource(source_vector.start());
         *current++ = reinterpret_cast<Object*>(resource);
         break;
       }
 
       case kSynchronize: {
@@ skipping 95 matching lines @@
        index++) {
     partial_snapshot_cache_[index] = Heap::undefined_value();
     startup_serializer_->VisitPointer(&partial_snapshot_cache_[index]);
   }
   partial_snapshot_cache_length_ = kPartialSnapshotCacheCapacity;
 }
 
 
 void Serializer::VisitPointers(Object** start, Object** end) {
   for (Object** current = start; current < end; current++) {
-    if ((*current)->IsSmi()) {
+    if (reinterpret_cast<Address>(current) == StoreBuffer::TopAddress()) {
+      sink_->Put(kSkip, "Skip");
+    } else if ((*current)->IsSmi()) {
       sink_->Put(kRawData, "RawData");
       sink_->PutInt(kPointerSize, "length");
       for (int i = 0; i < kPointerSize; i++) {
         sink_->Put(reinterpret_cast<byte*>(current)[i], "Byte");
       }
     } else {
       SerializeObject(*current, kPlain, kStartOfObject);
     }
   }
 }
@@ skipping 408 matching lines @@
       fullness_[space] = RoundUp(fullness_[space], Page::kPageSize);
     }
   }
   int allocation_address = fullness_[space];
   fullness_[space] = allocation_address + size;
   return allocation_address;
 }
 
 
 } }  // namespace v8::internal