]> gitweb.factorcode.org Git - factor.git/blob - vm/nursery_collector.cpp
vm: simplify card marking logic, and unmark more cards during aging collections by...
[factor.git] / vm / nursery_collector.cpp
1 #include "master.hpp"
2
3 namespace factor
4 {
5
6 nursery_collector::nursery_collector(factor_vm *myvm_) :
7         copying_collector<aging_space,nursery_policy>
8         (myvm_,myvm_->data->aging,nursery_policy(myvm_)) {}
9
10 void factor_vm::collect_nursery()
11 {
12         nursery_collector collector(this);
13
14         collector.trace_roots();
15         collector.trace_contexts();
16         collector.trace_cards(data->tenured,
17                 card_points_to_nursery,
18                 simple_unmarker(card_points_to_nursery));
19         collector.trace_cards(data->aging,
20                 card_points_to_nursery,
21                 simple_unmarker(card_mark_mask));
22         collector.trace_code_heap_roots(&code->points_to_nursery);
23         collector.cheneys_algorithm();
24         update_dirty_code_blocks(&code->points_to_nursery);
25
26         nursery.here = nursery.start;
27         code->points_to_nursery.clear();
28 }
29
30 }