51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
#include "master.hpp"
|
|
|
|
namespace factor
|
|
{
|
|
|
|
aging_collector::aging_collector(factor_vm *parent_) :
|
|
copying_collector<aging_space,aging_policy>(
|
|
parent_,
|
|
&parent_->gc_stats.aging_stats,
|
|
parent_->data->aging,
|
|
aging_policy(parent_)) {}
|
|
|
|
void factor_vm::collect_aging()
|
|
{
|
|
/* Promote objects referenced from tenured space to tenured space, copy
|
|
everything else to the aging semi-space, and reset the nursery pointer. */
|
|
{
|
|
/* Change the op so that if we fail here, we proceed to a full
|
|
tenured collection. We are collecting to tenured space, and
|
|
cards were unmarked, so we can't proceed with a to_tenured
|
|
collection. */
|
|
current_gc->op = collect_to_tenured_op;
|
|
|
|
to_tenured_collector collector(this);
|
|
collector.trace_cards(data->tenured,
|
|
card_points_to_aging,
|
|
simple_unmarker(card_mark_mask));
|
|
collector.cheneys_algorithm();
|
|
}
|
|
{
|
|
/* If collection fails here, do a to_tenured collection. */
|
|
current_gc->op = collect_aging_op;
|
|
|
|
std::swap(data->aging,data->aging_semispace);
|
|
reset_generation(data->aging);
|
|
|
|
aging_collector collector(this);
|
|
|
|
collector.trace_roots();
|
|
collector.trace_contexts();
|
|
collector.trace_code_heap_roots(&code->points_to_aging);
|
|
collector.cheneys_algorithm();
|
|
update_code_heap_for_minor_gc(&code->points_to_aging);
|
|
|
|
nursery.here = nursery.start;
|
|
code->points_to_nursery.clear();
|
|
}
|
|
}
|
|
|
|
}
|