func (sb *SymbolBuilder) SetExtname(value string)    { sb.l.SetSymExtname(sb.symIdx, value) }
func (sb *SymbolBuilder) SetDynimplib(value string)  { sb.l.SetSymDynimplib(sb.symIdx, value) }
func (sb *SymbolBuilder) SetDynimpvers(value string) { sb.l.SetSymDynimpvers(sb.symIdx, value) }
func (sb *SymbolBuilder) SetPlt(value int32)         { sb.l.SetPlt(sb.symIdx, value) }
func (sb *SymbolBuilder) SetGot(value int32)         { sb.l.SetGot(sb.symIdx, value) }

	// 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,
	}
	if ldr.SymName(s) == "__n_pthreads" {

// SetSymDynimpvers sets the "dynimpvers" attribute for a symbol.
func (l *Loader) SetSymDynimpvers(i Sym, value string) {
	// reject bad symbols
	if i >= Sym(len(l.objSyms)) || i == 0 {
		panic("bad symbol index in SetDynimpvers")
	}
	if value == "" {
		delete(l.dynimpvers, i)
	} else {
		l.dynimpvers[i] = value
	}
}

// SymExtname returns the "extname" value for the specified
// symbol.