Source: https://github.com/eyolfson/os-slides

const void*

• void * because it doesn’t care the type of pointer
• const because it doesn’t manipulate the data the pointer is pointing to

Basic Hello world program, even lower level than C

An Application Binary Interface (ABI) defines the low-level rules for how compiled code interacts, particularly between programs and the operating system.

You cannot pass seven arguments or cannot use more than 8 bytes in a register

Disassemble the 36 bytes and we get