6 nursery_collector::nursery_collector(factor_vm *parent_) :
7 copying_collector<aging_space,nursery_policy>(
10 nursery_policy(parent_)) {}
12 void factor_vm::collect_nursery()
14 /* Copy live objects from the nursery (as determined by the root set and
15 marked cards in aging and tenured) to aging space. */
16 nursery_collector collector(this);
18 collector.trace_roots();
19 collector.trace_contexts();
21 current_gc->event->started_card_scan();
22 collector.trace_cards(data->tenured,
23 card_points_to_nursery,
24 simple_unmarker(card_points_to_nursery));
25 collector.trace_cards(data->aging,
26 card_points_to_nursery,
28 current_gc->event->ended_card_scan(collector.cards_scanned,collector.decks_scanned);
30 current_gc->event->started_code_scan();
31 collector.trace_code_heap_roots(&code->points_to_nursery);
32 current_gc->event->ended_code_scan(collector.code_blocks_scanned);
34 collector.cheneys_algorithm();
36 current_gc->event->started_code_sweep();
37 update_code_heap_for_minor_gc(&code->points_to_nursery);
38 current_gc->event->ended_code_sweep();
40 data->reset_generation(&nursery);
41 code->points_to_nursery.clear();