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[factor.git] / vm / to_tenured_collector.cpp

diff --git a/vm/to_tenured_collector.cpp b/vm/to_tenured_collector.cpp
index ea7cb8ed7215f11a234a21febc6b0ba5aacb89e4..532dcaeade453bfa737850f20742910f5f0b1c9e 100644 (file)
--- a/vm/to_tenured_collector.cpp
+++ b/vm/to_tenured_collector.cpp
@@ -1,45 +1,37 @@
 #include "master.hpp"
 
-namespace factor
-{
-
-to_tenured_collector::to_tenured_collector(factor_vm *myvm_) :
-       collector<tenured_space,to_tenured_policy>(
-               myvm_,
-               &myvm_->gc_stats.aging_stats,
-               myvm_->data->tenured,
-               to_tenured_policy(myvm_)) {}
-
-void to_tenured_collector::tenure_reachable_objects()
-{
-       std::vector<object *> *mark_stack = &this->target->mark_stack;
-       while(!mark_stack->empty())
-       {
-               object *obj = mark_stack->back();
-               mark_stack->pop_back();
-               this->trace_slots(obj);
-       }
-}
-
-void factor_vm::collect_to_tenured()
-{
-       /* Copy live objects from aging space to tenured space. */
-       to_tenured_collector collector(this);
-
-       data->tenured->clear_mark_stack();
-
-       collector.trace_roots();
-       collector.trace_contexts();
-       collector.trace_cards(data->tenured,
-               card_points_to_aging,
-               simple_unmarker(card_mark_mask));
-       collector.trace_code_heap_roots(&code->points_to_aging);
-       collector.tenure_reachable_objects();
-       update_code_heap_for_minor_gc(&code->points_to_aging);
-
-       data->reset_generation(&nursery);
-       data->reset_generation(data->aging);
-       code->clear_remembered_set();
+namespace factor {
+
+void factor_vm::collect_to_tenured() {
+  // Copy live objects from aging space to tenured space.
+  mark_stack.clear();
+  slot_visitor<from_tenured_refs_copier>
+      visitor(this, from_tenured_refs_copier(data->tenured, &mark_stack));
+
+  visitor.visit_all_roots();
+  gc_event* event = current_gc->event;
+
+  if (event)
+    event->reset_timer();
+  visitor.visit_cards(data->tenured, card_points_to_aging, 0xff);
+  if (event) {
+    event->ended_phase(PHASE_CARD_SCAN);
+    event->cards_scanned += visitor.cards_scanned;
+    event->decks_scanned += visitor.decks_scanned;
+  }
+
+  if (event)
+    event->reset_timer();
+  visitor.visit_code_heap_roots(&code->points_to_aging);
+  if (event) {
+    event->ended_phase(PHASE_CODE_SCAN);
+    event->code_blocks_scanned += code->points_to_aging.size();
+  }
+  visitor.visit_mark_stack(&mark_stack);
+
+  data->reset_nursery();
+  data->reset_aging();
+  code->clear_remembered_set();
 }
 
 }