vm/nursery_collector.cpp

   1 #include "master.hpp"
   2
   3 namespace factor
   4 {
   5
   6 nursery_collector::nursery_collector(factor_vm *parent_) :
   7         copying_collector<aging_space,nursery_policy>(
   8                 parent_,
   9                 parent_->data->aging,
  10                 nursery_policy(parent_)) {}
  11
  12 void factor_vm::collect_nursery()
  13 {
  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);
  17
  18         collector.trace_roots();
  19         collector.trace_contexts();
  20         collector.trace_cards(data->tenured,
  21                 card_points_to_nursery,
  22                 simple_unmarker(card_points_to_nursery));
  23         collector.trace_cards(data->aging,
  24                 card_points_to_nursery,
  25                 simple_unmarker(card_mark_mask));
  26         collector.trace_code_heap_roots(&code->points_to_nursery);
  27         collector.cheneys_algorithm();
  28         update_code_heap_for_minor_gc(&code->points_to_nursery);
  29
  30         data->reset_generation(&nursery);
  31         code->points_to_nursery.clear();
  32 }
  33
  34 }