// Write filetab.
	writeFiletab := func(ctxt *Link, s loader.Sym) {
		sb := ctxt.loader.MakeSymbolUpdater(s)

		// Write the strings.
		for filename, loc := range fileOffsets {
			sb.AddStringAt(int64(loc), expandFile(filename))
		}
	}
	state.nfiles = uint32(len(fileOffsets))
	state.filetab = state.addGeneratedSym(ctxt, "runtime.filetab", fileSize, writeFiletab)

	return cuOffsets
}