cached_heap_free_sizes cached_heap_total_sizes exception_handler_stack gc_alloc_color gc_args gc_cont gc_num_args gc_status heap heap_lock jmp_start last_read last_write lock mark_buffer mark_buffer_len moveBuf moveBufLen mutation_buflen mutation_count mutations pending_writes scm_thread_obj stack_limit stack_prev_frame stack_start stack_trace_idx stack_traces thread_id thread_state

last_read int gc_thread_data_t::last_read