Separate Cell and PropertyCell spaces

src/incremental-marking.cc

 // 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 376 matching lines @@
     chunk->SetFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING);
     chunk->SetFlag(MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING);
 
     // It's difficult to filter out slots recorded for large objects.
     if (chunk->owner()->identity() == LO_SPACE &&
         chunk->size() > static_cast<size_t>(Page::kPageSize) &&
         is_compacting) {
       chunk->SetFlag(MemoryChunk::RESCAN_ON_EVACUATION);
     }
   } else if (chunk->owner()->identity() == CELL_SPACE ||
+             chunk->owner()->identity() == JS_GLOBAL_PROPERTY_CELL_SPACE ||
              chunk->scan_on_scavenge()) {
     chunk->ClearFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING);
     chunk->ClearFlag(MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING);
   } else {
     chunk->ClearFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING);
     chunk->SetFlag(MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING);
   }
 }
 
 
@@ skipping 26 matching lines @@
     NewSpacePage* p = it.next();
     SetNewSpacePageFlags(p, false);
   }
 }
 
 
 void IncrementalMarking::DeactivateIncrementalWriteBarrier() {
   DeactivateIncrementalWriteBarrierForSpace(heap_->old_pointer_space());
   DeactivateIncrementalWriteBarrierForSpace(heap_->old_data_space());
   DeactivateIncrementalWriteBarrierForSpace(heap_->cell_space());
+  DeactivateIncrementalWriteBarrierForSpace(
+      heap_->js_global_property_cell_space());
   DeactivateIncrementalWriteBarrierForSpace(heap_->map_space());
   DeactivateIncrementalWriteBarrierForSpace(heap_->code_space());
   DeactivateIncrementalWriteBarrierForSpace(heap_->new_space());
 
   LargePage* lop = heap_->lo_space()->first_page();
   while (lop->is_valid()) {
     SetOldSpacePageFlags(lop, false, false);
     lop = lop->next_page();
   }
 }
@@ skipping 14 matching lines @@
     NewSpacePage* p = it.next();
     SetNewSpacePageFlags(p, true);
   }
 }
 
 
 void IncrementalMarking::ActivateIncrementalWriteBarrier() {
   ActivateIncrementalWriteBarrier(heap_->old_pointer_space());
   ActivateIncrementalWriteBarrier(heap_->old_data_space());
   ActivateIncrementalWriteBarrier(heap_->cell_space());
+  ActivateIncrementalWriteBarrier(heap_->js_global_property_cell_space());
   ActivateIncrementalWriteBarrier(heap_->map_space());
   ActivateIncrementalWriteBarrier(heap_->code_space());
   ActivateIncrementalWriteBarrier(heap_->new_space());
 
   LargePage* lop = heap_->lo_space()->first_page();
   while (lop->is_valid()) {
     SetOldSpacePageFlags(lop, true, is_compacting_);
     lop = lop->next_page();
   }
 }
@@ skipping 541 matching lines @@
   bytes_scanned_ = 0;
   write_barriers_invoked_since_last_step_ = 0;
 }
 
 
 int64_t IncrementalMarking::SpaceLeftInOldSpace() {
   return heap_->MaxOldGenerationSize() - heap_->PromotedSpaceSizeOfObjects();
 }
 
 } }  // namespace v8::internal