-namespace factor
-{
+namespace factor {
struct data_heap {
- cell start;
-
- cell young_size;
- cell aging_size;
- cell tenured_size;
-
- segment *seg;
-
- nursery_space *nursery;
- aging_space *aging;
- aging_space *aging_semispace;
- tenured_space *tenured;
-
- card *cards;
- card *cards_end;
-
- card_deck *decks;
- card_deck *decks_end;
-
- explicit data_heap(cell young_size, cell aging_size, cell tenured_size);
- ~data_heap();
- data_heap *grow(cell requested_size);
- template<typename Generation> void clear_cards(Generation *gen);
- template<typename Generation> void clear_decks(Generation *gen);
- void reset_generation(nursery_space *gen);
- void reset_generation(aging_space *gen);
- void reset_generation(tenured_space *gen);
- bool low_memory_p();
- void mark_all_cards();
+ cell start;
+
+ cell young_size;
+ cell aging_size;
+ cell tenured_size;
+
+ segment* seg;
+
+ // Borrowed reference to a factor_vm::nursery
+ bump_allocator* nursery;
+ aging_space* aging;
+ aging_space* aging_semispace;
+ tenured_space* tenured;
+
+ card* cards;
+ card* cards_end;
+
+ card_deck* decks;
+ card_deck* decks_end;
+
+ data_heap(bump_allocator* vm_nursery,
+ cell young_size,
+ cell aging_size,
+ cell tenured_size);
+ ~data_heap();
+ data_heap* grow(bump_allocator* vm_nursery, cell requested_size);
+ template <typename Generation> void clear_cards(Generation* gen);
+ template <typename Generation> void clear_decks(Generation* gen);
+ void reset_nursery();
+ void reset_aging();
+ void reset_tenured();
+ bool high_fragmentation_p();
+ bool low_memory_p();
+ void mark_all_cards();
+ cell high_water_mark() { return nursery->size + aging->size; }
};
struct data_heap_room {
- cell nursery_size;
- cell nursery_occupied;
- cell nursery_free;
- cell aging_size;
- cell aging_occupied;
- cell aging_free;
- cell tenured_size;
- cell tenured_occupied;
- cell tenured_total_free;
- cell tenured_contiguous_free;
- cell tenured_free_block_count;
- cell cards;
- cell decks;
- cell mark_stack;
+ cell nursery_size;
+ cell nursery_occupied;
+ cell nursery_free;
+ cell aging_size;
+ cell aging_occupied;
+ cell aging_free;
+ cell tenured_size;
+ cell tenured_occupied;
+ cell tenured_total_free;
+ cell tenured_contiguous_free;
+ cell tenured_free_block_count;
+ cell cards;
+ cell decks;
+ cell mark_stack;
};
}