Various improvements to oom_dump and instance type lists.

src/heap.cc

 // Copyright 2009 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 4046 matching lines @@
   return true;
 }
 
 
 bool Heap::ConfigureHeapDefault() {
   return ConfigureHeap(FLAG_max_new_space_size / 2, FLAG_max_old_space_size);
 }
 
 
 void Heap::RecordStats(HeapStats* stats, bool take_snapshot) {
-  *stats->start_marker = 0xDECADE00;
-  *stats->end_marker = 0xDECADE01;
+  *stats->start_marker = HeapStats::kStartMarker;
+  *stats->end_marker = HeapStats::kEndMarker;
   *stats->new_space_size = new_space_.Size();
   *stats->new_space_capacity = new_space_.Capacity();
   *stats->old_pointer_space_size = old_pointer_space_->Size();
   *stats->old_pointer_space_capacity = old_pointer_space_->Capacity();
   *stats->old_data_space_size = old_data_space_->Size();
   *stats->old_data_space_capacity = old_data_space_->Capacity();
   *stats->code_space_size = code_space_->Size();
   *stats->code_space_capacity = code_space_->Capacity();
   *stats->map_space_size = map_space_->Size();
   *stats->map_space_capacity = map_space_->Capacity();
@@ skipping 886 matching lines @@
 void ExternalStringTable::TearDown() {
   new_space_strings_.Free();
   old_space_strings_.Free();
 }
 
 
 List<Object*> ExternalStringTable::new_space_strings_;
 List<Object*> ExternalStringTable::old_space_strings_;
 
 } }  // namespace v8::internal