There exist some awesome tools nowadays to accelerate your self-education for reverse engineering. godbolt and dogbolt are amazing to quickly learn basic assembly and reversing.
Compiler Explorer: https://godbolt.org/
Decompiler Explorer: https://dogbolt.org/
C code example: https://github.com/LiveOverflow/liveoverflow_youtube/blob/master/0x05_simple_crackme_intro_assembler/license_1.c
Introducing Decompiler Explorer - https://binary.ninja/2022/07/13/introducing-decompiler-explorer.html
00:00 - Intro
00:23 - Motivation
01:00 - How to c?
02:11 - godbolt Basic Usage
03:40 - Function Call on x64
04:30 - Intel vs ARM assembly
05:22 - godbolt Compiler Options
05:50 - Enable gcc O3 Compiler Optimization
06:35 - Decompiler Explorer dogbolt
07:16 - Comparing Decompiled main()
08:25 - Outro
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