factor/vm/to_tenured_collector.cpp

46 lines
1.1 KiB
C++

#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();
}
}