factor/vm/gc.hpp

56 lines
1.0 KiB
C++

namespace factor {
struct must_start_gc_again {
};
enum gc_op {
COLLECT_NURSERY_OP,
COLLECT_AGING_OP,
COLLECT_TO_TENURED_OP,
COLLECT_FULL_OP,
COLLECT_COMPACT_OP,
COLLECT_GROWING_DATA_HEAP_OP
};
// These are the phases of the gc cycles we record the times of.
enum gc_phase {
PHASE_CARD_SCAN,
PHASE_CODE_SCAN,
PHASE_DATA_SWEEP,
PHASE_CODE_SWEEP,
PHASE_DATA_COMPACTION,
PHASE_MARKING
};
struct gc_event {
gc_op op;
data_heap_room data_heap_before;
allocator_room code_heap_before;
data_heap_room data_heap_after;
allocator_room code_heap_after;
cell cards_scanned;
cell decks_scanned;
cell code_blocks_scanned;
uint64_t start_time;
cell total_time;
cell times[6];
uint64_t temp_time;
gc_event(gc_op op, factor_vm* parent);
void reset_timer();
void ended_phase(gc_phase phase);
void ended_gc(factor_vm* parent);
};
struct gc_state {
gc_op op;
uint64_t start_time;
gc_event* event;
gc_state(gc_op op, factor_vm* parent);
~gc_state();
void start_again(gc_op op_, factor_vm* parent);
};
}