AddDWARFAddrSectionOffset(s Sym, t interface{}, ofs int64)
	CurrentOffset(s Sym) int64
	RecordDclReference(from Sym, to Sym, dclIdx int, inlIndex int)
	RecordChildDieOffsets(s Sym, vars []*Var, offsets []int32)
	AddString(s Sym, v string)
	Logf(format string, args ...interface{})
}

// AppendUleb128 appends v to b using DWARF's unsigned LEB128 encoding.
func AppendUleb128(b []byte, v uint64) []byte {
	for {

	b := []byte{byte(i)}
	c.AddBytes(s, b)
}
func (c dwCtxt) AddBytes(s dwarf.Sym, b []byte) {
	ls := s.(*LSym)
	ls.WriteBytes(c.Link, ls.Size, b)
}
func (c dwCtxt) AddString(s dwarf.Sym, v string) {
	ls := s.(*LSym)
	ls.WriteString(c.Link, ls.Size, len(v), v)
	ls.WriteInt(c.Link, ls.Size, 1, 0)
}
func (c dwCtxt) AddAddress(s dwarf.Sym, data interface{}, value int64) {
	ls := s.(*LSym)

	b [8]byte // scratch space for writing bytes
}

func NewWriter(wr *bio.Writer) *Writer {
	return &Writer{wr: wr, stringMap: make(map[string]uint32)}
}

func (w *Writer) AddString(s string) {
	if _, ok := w.stringMap[s]; ok {
		return
	}
	w.stringMap[s] = w.off
	w.RawString(s)
}

func (w *Writer) stringOff(s string) uint32 {
	off, ok := w.stringMap[s]
	if !ok {