The GNU Debugger
https://renemages.wordpress.com/2020/10/10/gdb/
https://en.wikipedia.org/wiki/GNU_Debugger
https://sourceware.org/gdb/
https://sourceware.org/gdb/mailing-lists/
https://ramix.fr/~perplexity/gdb.pdf
http://sdz.tdct.org/sdz/deboguer-son-programme-avec-gdb.html
https://www.youtube.com/watch?v=uEYlttTe3jE
https://www.youtube.com/watch?v=n2lr_r6gp4o