val get_load_paths : (unit ->string list) Stdlib.ref
val load_obj : (string -> unit) Stdlib.ref
val get_ml_filename : unit -> string * string
val compile : string ->Nativecode.global list->profile:bool-> string
compile file code ~profile will compile native code to file, and return the name of the object file; this name depends on whether are in byte mode or not; file is expected to be .ml file