section .data
hello: db 'hello','world'
len: equ $-hello
section .text
global: _start ;_start for linker use 指定函數入口
_start:
mov eax , 4 ; system call number (sys_write)
mov ebx , 1 ; file descriptor (stdout)
mov ecx , hello ;message to write
mov edx , len ;message length
int 0x80 ;call kernel
mov eax , 1 ;system call exit
int 0x80