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

scm_thread_obj object gc_thread_data_t::scm_thread_obj Thread object, if applicable