// in dependency order (internal first, then everything else). Return value
// is a slice of all text syms.
func (l *Loader) AssignTextSymbolOrder(libs []*sym.Library, intlibs []bool, extsyms []Sym) []Sym {

	// Library Textp lists should be empty at this point.
	for _, lib := range libs {
		if len(lib.Textp) != 0 {
			panic("expected empty Textp slice for library")
		}

	sb.SetType(sym.SXCOFFTOC)

	// Create new dynamic symbol
	extsym := ldr.CreateSymForUpdate(ldr.SymExtname(s), 0)
	extsym.SetType(sym.SDYNIMPORT)
	extsym.SetDynimplib(ldr.SymDynimplib(s))
	extsym.SetExtname(ldr.SymExtname(s))
	extsym.SetDynimpvers(ldr.SymDynimpvers(s))

	// Add loader symbol
	lds := &xcoffLoaderSymbol{
		sym:    extsym.Sym(),
		smtype: XTY_IMP,
		smclas: XMC_DS,
	}

	f, err := elf.NewFile(r)
	if err != nil {
		return nil, err
	}
	return &elfFile{f}, nil
}

func (f *elfFile) symbols() ([]Sym, error) {
	elfSyms, err := f.elf.Symbols()
	if err != nil {
		return nil, err
	}

	var syms []Sym
	for _, s := range elfSyms {
		sym := Sym{Addr: s.Value, Name: s.Name, Size: int64(s.Size), Code: '?'}
		switch s.Section {
		case elf.SHN_UNDEF:
			sym.Code = 'U'
		case elf.SHN_COMMON:

				continue
			}
			outerName := l.SymName(l.OuterSym(s))
			sectName := l.SymName(state.sectsyms[sect])
			return nil, fmt.Errorf("%s: duplicate symbol reference: %s in both %s and %s", pn, l.SymName(s), outerName, sectName)
		}

		bld = makeUpdater(l, bld, s)
		sectsym := state.sectsyms[sect]
		bld.SetType(l.SymType(sectsym))
		l.AddInteriorSym(sectsym, s)
		bld.SetValue(int64(pesym.Value))

	s := ldr.Lookup("runtime.text", 0)
	if ldr.SymType(s) == sym.STEXT {
		putplan9sym(ctxt, ldr, s, TextSym)
	}
	s = ldr.Lookup("runtime.etext", 0)
	if ldr.SymType(s) == sym.STEXT {
		putplan9sym(ctxt, ldr, s, TextSym)
	}

	// Add text symbols.
	for _, s := range ctxt.Textp {
		putplan9sym(ctxt, ldr, s, TextSym)
	}

	shouldBeInSymbolTable := func(s loader.Sym) bool {
		if ldr.AttrNotInSymbolTable(s) {

	objabi.Flagprint(os.Stderr)
	Exit(2)
}

type SymbolType int8 // TODO: after genasmsym is gone, maybe rename to plan9typeChar or something

const (
	// see also https://9p.io/magic/man2html/1/nm
	TextSym      SymbolType = 'T'
	DataSym      SymbolType = 'D'
	BSSSym       SymbolType = 'B'
	UndefinedSym SymbolType = 'U'
	TLSSym       SymbolType = 't'
	FrameSym     SymbolType = 'm'
	ParamSym     SymbolType = 'p'

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