vm/object_start_map.hpp

   1 namespace factor {
   2
   3 static const cell card_starts_inside_object = 0xff;
   4
   5 struct object_start_map {
   6   cell size, start;
   7   card* object_start_offsets;
   8   card* object_start_offsets_end;
   9
  10   object_start_map(cell size_, cell start_);
  11   ~object_start_map();
  12
  13   cell first_object_in_card(cell card_index);
  14   cell find_object_containing_card(cell card_index);
  15   void record_object_start_offset(object* obj);
  16   void clear_object_start_offsets();
  17   void update_card_for_sweep(cell index, u16 mask);
  18   void update_for_sweep(mark_bits<object>* state);
  19 };
  20
  21 }