func (r *Reloc) SetSym(x SymRef) {
	binary.LittleEndian.PutUint32(r[15:], x.PkgIdx)
	binary.LittleEndian.PutUint32(r[19:], x.SymIdx)
}

func (r *Reloc) Set(off int32, size uint8, typ uint16, add int64, sym SymRef) {
	r.SetOff(off)
	r.SetSiz(size)
	r.SetType(typ)
	r.SetAdd(add)
	r.SetSym(sym)
}

func (r *Reloc) Write(w *Writer) { w.Bytes(r[:]) }

func (w *writer) Reloc(r *Reloc) {
	o := &w.tmpReloc
	o.SetOff(r.Off)
	o.SetSiz(r.Siz)
	o.SetType(uint16(r.Type))
	o.SetAdd(r.Add)
	o.SetSym(makeSymRef(r.Sym))
	o.Write(w.Writer)
}

func (w *writer) aux1(typ uint8, rs *LSym) {
	o := &w.tmpAux
	o.SetType(typ)
	o.SetSym(makeSymRef(rs))
	o.Write(w.Writer)
}

func (w *writer) Aux(s *LSym) {
	if s.Gotype != nil {
		w.aux1(goobj.AuxGotype, s.Gotype)

			if dstyp != sym.SWINDOWS {
				return fmt.Errorf("internal error in windynrelocsym: underlying sym for %q has wrong type %s", sname, dstyp.String())
			}

			// Redirect relocation to the dynimport.
			r.SetSym(ds)
			continue
		}

		tplt := ctxt.loader.SymPlt(targ)
		if tplt == loadpe.CreateImportStubPltToken {

			// Consistency check: don't want to see both PLT and GOT tokens.
			if tgot != -1 {

func (rel Reloc) SetType(t objabi.RelocType) { rel.Reloc.SetType(uint16(t)) }
func (rel Reloc) Sym() Sym                   { return rel.l.resolve(rel.r, rel.Reloc.Sym()) }
func (rel Reloc) SetSym(s Sym)               { rel.Reloc.SetSym(goobj.SymRef{PkgIdx: 0, SymIdx: uint32(s)}) }
func (rel Reloc) IsMarker() bool             { return rel.Siz() == 0 }

// Aux holds a "handle" to access an aux symbol record from an
// object file.