factor/vm/to_tenured_collector.cpp

#include "master.hpp"

namespace factor
{

to_tenured_collector::to_tenured_collector(factor_vm *myvm_) :
	collector<tenured_space,to_tenured_policy>(
		myvm_,
		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();
}

}