_rtld_map_object
obj = _rtld_map_object(filepath, fd, &sb);
_rtld_objmain = _rtld_map_object(objmain_name, fd, NULL);
Obj_Entry *_rtld_map_object(const char *, int, const struct stat *);
_rtld_objmain = _rtld_map_object(xstrdup(path), fd, &st);