Refactor embedded pointer visitors for the serializer

src/serialize.cc

Index: src/serialize.cc
diff --git a/src/serialize.cc b/src/serialize.cc
index ba7b2a5184825acd41a9b5e9f7619c8aac9aee7b..9a628aab958859c07ccc4c1d67db2f543f99c99e 100644
--- a/src/serialize.cc
+++ b/src/serialize.cc
@@ -1471,6 +1471,16 @@ void Serializer::ObjectSerializer::VisitPointers(Object** start,
 }
 
 
+void Serializer::ObjectSerializer::VisitEmbeddedPointer(RelocInfo* rinfo) {
+  Object** current = rinfo->target_object_address();
+
+  OutputRawData(rinfo->target_address_address());
+  HowToCode representation = rinfo->IsCodedSpecially() ? kFromCode : kPlain;
+  serializer_->SerializeObject(*current, representation, kStartOfObject);
+  bytes_processed_so_far_ += rinfo->target_address_size();
+}
+
+
 void Serializer::ObjectSerializer::VisitExternalReferences(Address* start,
                                                            Address* end) {
   Address references_start = reinterpret_cast<Address>(start);
@@ -1485,6 +1495,20 @@ void Serializer::ObjectSerializer::VisitExternalReferences(Address* start,
 }
 
 
+void Serializer::ObjectSerializer::VisitExternalReference(RelocInfo* rinfo) {
+  Address references_start = rinfo->target_address_address();
+  OutputRawData(references_start);
+
+  Address* current = rinfo->target_reference_address();
+  int representation = rinfo->IsCodedSpecially() ?
+                       kFromCode + kStartOfObject : kPlain + kStartOfObject;
+  sink_->Put(kExternalReference + representation, "ExternalRef");
+  int reference_id = serializer_->EncodeExternalReference(*current);
+  sink_->PutInt(reference_id, "reference id");
+  bytes_processed_so_far_ += rinfo->target_address_size();
+}
+
+
 void Serializer::ObjectSerializer::VisitRuntimeEntry(RelocInfo* rinfo) {
   Address target_start = rinfo->target_address_address();
   OutputRawData(target_start);