Apple assembly
https://developer.apple.com/library/content/documentation/DeveloperTools/Reference/Assembler/000-Introduction/introduction.html#//apple_ref/doc/uid/TP30000851-CH211-SW1Online x86 and x64 Intel Instruction Assembler
https://defuse.ca/online-x86-assembler.htmLinux System Call Table for x86 64 · Ryan A. Chapman
http://blog.rchapman.org/posts/Linux_System_Call_Table_for_x86_64/