off = uint64(b.uint16())
			case formStrx3:
				off = uint64(b.uint24())
			case formStrx4:
				off = uint64(b.uint32())
			}
			if len(b.dwarf.strOffsets) == 0 {
				b.error("DW_FORM_strx with no .debug_str_offsets section")
			}
			is64, known := b.format.dwarf64()
			if !known {
				b.error("unknown offset size for DW_FORM_strx")
			}
			if b.err != nil {
				return nil
			}
			if is64 {
				off *= 8