// Reloc represents a PE COFF relocation.
// Each section contains its own relocation list.
type Reloc struct {
	VirtualAddress   uint32
	SymbolTableIndex uint32
	Type             uint16
}

func readRelocs(sh *SectionHeader, r io.ReadSeeker) ([]Reloc, error) {
	if sh.NumberOfRelocations <= 0 {
		return nil, nil
	}
	_, err := r.Seek(int64(sh.PointerToRelocations), io.SeekStart)
	if err != nil {

		s.sr = io.NewSectionReader(r2, int64(s.SectionHeader.Offset), int64(s.SectionHeader.Size))
		s.ReaderAt = s.sr
		f.Sections[i] = s
	}
	for i := range f.Sections {
		var err error
		f.Sections[i].Relocs, err = readRelocs(&f.Sections[i].SectionHeader, sr)
		if err != nil {
			return nil, err
		}
	}

	return f, nil
}

type nobitsSectionReader struct{}