vm/to_tenured_collector.cpp

   1 #include "master.hpp"
   2
   3 namespace factor {
   4
   5 void factor_vm::collect_to_tenured() {
   6   // Copy live objects from aging space to tenured space.
   7   mark_stack.clear();
   8   slot_visitor<from_tenured_refs_copier>
   9       visitor(this, from_tenured_refs_copier(data->tenured, &mark_stack));
  10
  11   visitor.visit_all_roots();
  12   gc_event* event = current_gc->event;
  13
  14   if (event)
  15     event->reset_timer();
  16   visitor.visit_cards(data->tenured, card_points_to_aging, 0xff);
  17   if (event) {
  18     event->ended_phase(PHASE_CARD_SCAN);
  19     event->cards_scanned += visitor.cards_scanned;
  20     event->decks_scanned += visitor.decks_scanned;
  21   }
  22
  23   if (event)
  24     event->reset_timer();
  25   visitor.visit_code_heap_roots(&code->points_to_aging);
  26   if (event) {
  27     event->ended_phase(PHASE_CODE_SCAN);
  28     event->code_blocks_scanned += code->points_to_aging.size();
  29   }
  30   visitor.visit_mark_stack(&mark_stack);
  31
  32   data->reset_nursery();
  33   data->reset_aging();
  34   code->clear_remembered_set();
  35 }
  36
  37 }