section .text global _start
_start: mov eax, 60 ; Syscall number for 'exit' (60 on Linux x86_64) mov edi, 42 ; First argument: return code syscall ; Invoke kernel Guide To Assembly Language- A Concise Introduction
: Understanding low-level code allows developers to create the very tools—like video editors and music production software—that define modern lifestyle. section
: It is essential for writing device drivers, operating system kernels, and firmware where direct hardware control is required. First argument: return code syscall
: Small, high-speed storage locations within the CPU used to hold data currently being processed.
A typical assembly program is built from several key elements: