Link all global contexts into a weak list.

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 482 matching lines @@
 }
 
 
 void ExternalReferenceEncoder::Put(Address key, int index) {
   HashMap::Entry* entry = encodings_.Lookup(key, Hash(key), true);
   entry->value = reinterpret_cast<void*>(index);
 }
 
 
 ExternalReferenceDecoder::ExternalReferenceDecoder()
-  : encodings_(NewArray<Address*>(kTypeCodeCount)) {
+    : encodings_(NewArray<Address*>(kTypeCodeCount)) {
   ExternalReferenceTable* external_references =
       ExternalReferenceTable::instance();
   for (int type = kFirstTypeCode; type < kTypeCodeCount; ++type) {
     int max = external_references->max_id(type) + 1;
     encodings_[type] = NewArray<Address>(max + 1);
   }
   for (int i = 0; i < external_references->size(); ++i) {
     Put(external_references->code(i), external_references->address(i));
   }
 }
@@ skipping 98 matching lines @@
   ASSERT_EQ(NULL, ThreadState::FirstInUse());
   // No active handles.
   ASSERT(HandleScopeImplementer::instance()->blocks()->is_empty());
   // Make sure the entire partial snapshot cache is traversed, filling it with
   // valid object pointers.
   partial_snapshot_cache_length_ = kPartialSnapshotCacheCapacity;
   ASSERT_EQ(NULL, external_reference_decoder_);
   external_reference_decoder_ = new ExternalReferenceDecoder();
   Heap::IterateStrongRoots(this, VISIT_ONLY_STRONG);
   Heap::IterateWeakRoots(this, VISIT_ALL);
+
+  Heap::set_global_contexts_list(Heap::undefined_value());
 }
 
 
 void Deserializer::DeserializePartial(Object** root) {
   // Don't GC while deserializing - just expand the heap.
   AlwaysAllocateScope always_allocate;
   // Don't use the free lists while deserializing.
   LinearAllocationScope allocate_linearly;
   if (external_reference_decoder_ == NULL) {
     external_reference_decoder_ = new ExternalReferenceDecoder();
@@ skipping 834 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