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