vm/data_heap.hpp

   1 namespace factor
   2 {
   3
   4 struct data_heap {
   5         cell start;
   6
   7         cell young_size;
   8         cell aging_size;
   9         cell tenured_size;
  10
  11         cell promotion_threshold;
  12
  13         segment *seg;
  14
  15         nursery_space *nursery;
  16         aging_space *aging;
  17         aging_space *aging_semispace;
  18         tenured_space *tenured;
  19
  20         card *cards;
  21         card *cards_end;
  22
  23         card_deck *decks;
  24         card_deck *decks_end;
  25
  26         explicit data_heap(cell young_size, cell aging_size, cell tenured_size, cell promotion_threshold);
  27         ~data_heap();
  28         data_heap *grow(cell requested_size);
  29         template<typename Generation> void clear_cards(Generation *gen);
  30         template<typename Generation> void clear_decks(Generation *gen);
  31         void reset_generation(nursery_space *gen);
  32         void reset_generation(aging_space *gen);
  33         void reset_generation(tenured_space *gen);
  34 };
  35
  36 struct data_heap_room {
  37         cell nursery_size;
  38         cell nursery_occupied;
  39         cell nursery_free;
  40         cell aging_size;
  41         cell aging_occupied;
  42         cell aging_free;
  43         cell tenured_size;
  44         cell tenured_occupied;
  45         cell tenured_total_free;
  46         cell tenured_contiguous_free;
  47         cell tenured_free_block_count;
  48         cell cards;
  49         cell decks;
  50         cell mark_stack;
  51 };
  52
  53 }