vm/object_start_map.hpp

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