// DWARF 5 and later.
func (d *Data) AddSection(name string, contents []byte) error {
	var err error
	switch name {
	case ".debug_addr":
		d.addr = contents
	case ".debug_line_str":
		d.lineStr = contents
	case ".debug_str_offsets":
		d.strOffsets = contents
	case ".debug_rnglists":
		d.rngLists = contents
	}
	// Just ignore names that we don't yet support.
	return err

type LineReader struct {
	buf buf

	// Original .debug_line section data. Used by Seek.
	section []byte

	str     []byte // .debug_str
	lineStr []byte // .debug_line_str

	// Header information
	version              uint16
	addrsize             int
	segmentSelectorSize  int
	minInstructionLength int
	maxOpsPerInstruction int
	defaultIsStmt        bool

				return nil
			}
			var b1 buf
			if fmt == formStrp {
				b1 = makeBuf(b.dwarf, b.format, "str", 0, b.dwarf.str)
			} else {
				if len(b.dwarf.lineStr) == 0 {
					b.error("DW_FORM_line_strp with no .debug_line_str section")
					return nil
				}
				b1 = makeBuf(b.dwarf, b.format, "line_str", 0, b.dwarf.lineStr)
			}
			b1.skip(int(off))
			val = b1.string()
			if b1.err != nil {
				b.err = b1.err