symsz = 16
			} else {
				symsz = 12
			}
			symdat, err := saferio.ReadDataAt(r, uint64(hdr.Nsyms)*uint64(symsz), int64(hdr.Symoff))
			if err != nil {
				return nil, err
			}
			st, err := f.parseSymtab(symdat, strtab, cmddat, &hdr, offset)
			if err != nil {
				return nil, err
			}
			f.Loads = append(f.Loads, st)
			f.Symtab = st

		case LoadCmdDysymtab:
			var hdr DysymtabCmd