addDwsectCUSize(".debug_line", unit.Lib.Pkg, uint64(unitlen))
	}

	if isDwarf64(d.linkctxt) {
		lsu.SetUint(d.arch, unitLengthOffset+4, uint64(unitlen)) // +4 because of 0xFFFFFFFF
		lsu.SetUint(d.arch, headerLengthOffset, uint64(headerend-headerstart))
	} else {
		lsu.SetUint32(d.arch, unitLengthOffset, uint32(unitlen))
		lsu.SetUint32(d.arch, headerLengthOffset, uint32(headerend-headerstart))
	}