vm/to_tenured_collector.cpp

   1 #include "master.hpp"
   2
   3 namespace factor {
   4
   5 to_tenured_collector::to_tenured_collector(factor_vm* parent)
   6     : collector<tenured_space, to_tenured_policy>(parent,
   7                                                   parent->data->tenured,
   8                                                   to_tenured_policy(parent)) {}
   9
  10 void factor_vm::collect_to_tenured() {
  11   /* Copy live objects from aging space to tenured space. */
  12   to_tenured_collector collector(this);
  13
  14   mark_stack.clear();
  15
  16   collector.visitor.visit_all_roots();
  17   gc_event* event = current_gc->event;
  18
  19   if (event)
  20     event->started_card_scan();
  21   collector.trace_cards(data->tenured, card_points_to_aging, full_unmarker());
  22   if (event)
  23     event->ended_card_scan(collector.cards_scanned, collector.decks_scanned);
  24
  25   if (event)
  26     event->started_code_scan();
  27   collector.trace_code_heap_roots(&code->points_to_aging);
  28   if (event)
  29     event->ended_code_scan(collector.code_blocks_scanned);
  30
  31   collector.visitor.visit_mark_stack(&mark_stack);
  32
  33   data->reset_nursery();
  34   data->reset_aging();
  35   code->clear_remembered_set();
  36 }
  37
  38 }