xfile.dynLibraries = make(map[string]int)

	HEADR = int32(Rnd(XCOFFHDRRESERVE, XCOFFSECTALIGN))
	if *FlagRound != -1 {
		Errorf(nil, "-R not available on AIX")
	}
	*FlagRound = XCOFFSECTALIGN
	if *FlagTextAddr != -1 {
		Errorf(nil, "-T not available on AIX")
	}
	*FlagTextAddr = Rnd(XCOFFTEXTBASE, *FlagRound) + int64(HEADR)
}

// SYMBOL TABLE

// type records C_FILE information needed for genasmsym in XCOFF.

	ph.Filesz = seg.Filelen
	ph.Align = uint64(*FlagRound)

	return ph
}

func elfphrelro(seg *sym.Segment) {
	ph := newElfPhdr()
	ph.Type = elf.PT_GNU_RELRO
	ph.Flags = elf.PF_R
	ph.Vaddr = seg.Vaddr
	ph.Paddr = seg.Vaddr
	ph.Memsz = seg.Length
	ph.Off = seg.Fileoff
	ph.Filesz = seg.Filelen
	ph.Align = uint64(*FlagRound)
}

func elfshname(name string) *ElfShdr {