{name: "CALLstatic", argLength: -1, reg: regInfo{clobbers: callerSave}, aux: "CallOff", clobberFlags: true, call: true},                                       // call static function aux.(*obj.LSym).  arg0=mem, auxint=argsize, returns mem

		}
		return err
	}

	return nil
}

func (h *RegistrationHandler) validateVersions(callerName, pluginName string, endpoint string, versions []string) (*utilversion.Version, error) {
	if len(versions) == 0 {
		return nil, errors.New(log("%s for CSI driver %q failed. Plugin returned an empty list for supported versions", callerName, pluginName))
	}

	// Validate version

	// instead of the caller.
	f.mu.Lock()
	defer f.mu.Unlock()
	if f.helperPCs == nil {
		f.helperPCs = make(map[uintptr]struct{})
	}
	// repeating code from callerName here to save walking a stack frame
	var pc [1]uintptr
	n := runtime.Callers(2, pc[:]) // skip runtime.Callers + Helper
	if n == 0 {
		panic("testing: zero callers found")
	}