i = s.SymIdx + uint32(r.NSym())
		case goobj.PkgIdxHashed:
			i = s.SymIdx + uint32(r.NSym()+r.NHashed64def())
		case goobj.PkgIdxNone:
			i = s.SymIdx + uint32(r.NSym()+r.NHashed64def()+r.NHasheddef())
		case goobj.PkgIdxBuiltin:
			name, abi := goobj.BuiltinName(int(s.SymIdx))
			return goobjName(name, abi)
		case goobj.PkgIdxSelf:
			i = s.SymIdx
		default:
			return refNames[s]
		}

	ndef := r.NSym()
	nhashed64def := r.NHashed64def()
	nhasheddef := r.NHasheddef()
	or := &oReader{
		Reader:       r,
		unit:         unit,
		version:      localSymVersion,
		pkgprefix:    pkgprefix,
		syms:         make([]Sym, ndef+nhashed64def+nhasheddef+r.NNonpkgdef()+r.NNonpkgref()),
		ndef:         ndef,
		nhasheddef:   nhasheddef,
		nhashed64def: nhashed64def,
		objidx:       uint32(len(l.objs)),

}

func (r *Reader) NHashed64def() int {
	return int(r.h.Offsets[BlkHashed64def+1]-r.h.Offsets[BlkHashed64def]) / SymSize
}

func (r *Reader) NHasheddef() int {
	return int(r.h.Offsets[BlkHasheddef+1]-r.h.Offsets[BlkHasheddef]) / SymSize
}

func (r *Reader) NNonpkgdef() int {
	return int(r.h.Offsets[BlkNonpkgdef+1]-r.h.Offsets[BlkNonpkgdef]) / SymSize
}