Separate Cell and PropertyCell spaces

src/v8globals.h

 // Copyright 2012 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 162 matching lines @@
 
 // NOTE: SpaceIterator depends on AllocationSpace enumeration values being
 // consecutive.
 enum AllocationSpace {
   NEW_SPACE,            // Semispaces collected with copying collector.
   OLD_POINTER_SPACE,    // May contain pointers to new space.
   OLD_DATA_SPACE,       // Must not have pointers to new space.
   CODE_SPACE,           // No pointers to new space, marked executable.
   MAP_SPACE,            // Only and all map objects.
   CELL_SPACE,           // Only and all cell objects.
+  PROPERTY_CELL_SPACE,  // Only and all global property cell objects.
   LO_SPACE,             // Promoted large objects.
 
   FIRST_SPACE = NEW_SPACE,
   LAST_SPACE = LO_SPACE,
   FIRST_PAGED_SPACE = OLD_POINTER_SPACE,
-  LAST_PAGED_SPACE = CELL_SPACE
+  LAST_PAGED_SPACE = PROPERTY_CELL_SPACE
 };
 const int kSpaceTagSize = 3;
 const int kSpaceTagMask = (1 << kSpaceTagSize) - 1;
 
 
 // A flag that indicates whether objects should be pretenured when
 // allocated (allocated directly into the old generation) or not
 // (allocated in the young generation if the object size and type
 // allows).
 enum PretenureFlag { NOT_TENURED, TENURED };
@@ skipping 368 matching lines @@
 
 enum ClearExceptionFlag {
   KEEP_EXCEPTION,
   CLEAR_EXCEPTION
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_V8GLOBALS_H_