func (s *Section) Open() io.ReadSeeker {
	if s.Type == SHT_NOBITS {
		return io.NewSectionReader(&nobitsSectionReader{}, 0, int64(s.Size))
	}

	var zrd func(io.Reader) (io.ReadCloser, error)
	if s.Flags&SHF_COMPRESSED == 0 {

		if !strings.HasPrefix(s.Name, ".zdebug") {
			return io.NewSectionReader(s.sr, 0, 1<<63-1)
		}

		b := make([]byte, 12)
		n, _ := s.sr.ReadAt(b, 0)
		if n != 12 || string(b[:4]) != "ZLIB" {

	SHF_GROUP            SectionFlag = 0x200      /* Member of section group. */
	SHF_TLS              SectionFlag = 0x400      /* Section contains TLS data. */
	SHF_COMPRESSED       SectionFlag = 0x800      /* Section is compressed. */
	SHF_MASKOS           SectionFlag = 0x0ff00000 /* OS-specific semantics. */
	SHF_MASKPROC         SectionFlag = 0xf0000000 /* Processor-specific semantics. */
)

		sh.Addr = sect.Vaddr
	}

	if strings.HasPrefix(sect.Name, ".debug") || strings.HasPrefix(sect.Name, ".zdebug") {
		sh.Flags = 0
		sh.Addr = 0
		if sect.Compressed {
			sh.Flags |= uint64(elf.SHF_COMPRESSED)
		}
	}

	sh.Addralign = uint64(sect.Align)
	sh.Size = sect.Length
	if sect.Name != ".tbss" {
		sh.Off = sect.Seg.Fileoff + sect.Vaddr - sect.Seg.Vaddr
	}

	return sh
}