}
	return nil
}

// Uleb128put appends v to s using DWARF's unsigned LEB128 encoding.
func Uleb128put(ctxt Context, s Sym, v int64) {
	b := sevenBitU(v)
	if b == nil {
		var encbuf [20]byte
		b = AppendUleb128(encbuf[:0], uint64(v))
	}
	ctxt.AddBytes(s, b)
}

// Sleb128put appends v to s using DWARF's signed LEB128 encoding.
func Sleb128put(ctxt Context, s Sym, v int64) {
	b := sevenBitS(v)

	// table, which we don't want.
	lastlen := uint64(s.Size - (lastpc - s.Func().Text.Pc))
	dctxt.AddUint8(lines, dwarf.DW_LNS_advance_pc)
	dwarf.Uleb128put(dctxt, lines, int64(lastlen))
	dctxt.AddUint8(lines, 0) // start extended opcode
	dwarf.Uleb128put(dctxt, lines, 1)
	dctxt.AddUint8(lines, dwarf.DW_LNE_end_sequence)
}

func putpclcdelta(linkctxt *Link, dctxt dwCtxt, s *LSym, deltaPC uint64, deltaLC int64) {