Fix issue 571: display descriptive names for code objects from snapshot.

src/serialize.cc

Index: src/serialize.cc
diff --git a/src/serialize.cc b/src/serialize.cc
index 5d497a1ff811532213098f86b2236ef256799af5..a2c4982b7972b92500e449f75e3622334fa3b266 100644
--- a/src/serialize.cc
+++ b/src/serialize.cc
@@ -697,6 +697,7 @@ void Deserializer::ReadObject(int space_number,
   *write_back = HeapObject::FromAddress(address);
   Object** current = reinterpret_cast<Object**>(address);
   Object** limit = current + (size >> kPointerSizeLog2);
+  LOG(SnapshotPositionEvent(address, source_->position()));

[Erik Corry, 2010/01/18 15:47:51]

Putting this in an if (FLAG_log_snapshot_positions) would avoid the call, but if
you can't see the difference in benchmarks I guess it's not necessary.

   ReadChunk(current, limit, space_number, address);
 }
 
@@ -1089,6 +1090,8 @@ void Serializer::ObjectSerializer::Serialize() {
   }
   sink_->PutInt(size >> kObjectAlignmentBits, "Size in words");
 
+  LOG(SnapshotPositionEvent(object_->address(), sink_->Position()));
+
   // Mark this object as already serialized.
   bool start_new_page;
   SerializationAddressMapper::Map(