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Links:
- Introduction to elf format
- https://blog.k3170makan.com/2018/09/introduction-to-elf-format-elf-header.html
- https://blog.k3170makan.com/2018/09/introduction-to-elf-format-part-ii.html
- https://blog.k3170makan.com/2018/09/introduction-to-elf-file-format-part.html
- https://blog.k3170makan.com/2018/10/introduction-to-elf-format-part-iv.html
- https://blog.k3170makan.com/2018/10/introduction-to-elf-format-part-v.html
- https://greek0.net/elf.html