}

	/* data */
	if ctxt.LinkMode != LinkExternal {
		ms = newMachoSeg("__DATA", 20)
		ms.vaddr = Segdata.Vaddr
		ms.vsize = Segdata.Length
		ms.fileoffset = Segdata.Fileoff
		ms.filesize = Segdata.Filelen
		ms.prot1 = 3
		ms.prot2 = 3
	}

	for _, sect := range Segdata.Sections {
		machoshbits(ctxt, ms, sect, "__DATA")
	}

	/* dwarf */
	if !*FlagW {
		if ctxt.LinkMode != LinkExternal {

		} else {
			fmt.Fprintf(&b, "\t0,\n")
		}
	}
	// for the last entry, we cannot use 0, otherwise
	// in case all __cgodebug_data is zero initialized,
	// LLVM-based gcc will place the it in the __DATA.__common
	// zero-filled section (our debug/macho doesn't support
	// this)
	fmt.Fprintf(&b, "\t1\n")
	fmt.Fprintf(&b, "};\n")

	// do the same work for floats.