hello.s
 1  global    start
 2      section   .text
 3  start:
 4      mov       rax, 0x02000004
 5      mov       rdi, 1
 6      mov       rsi, message
 7      mov       rdx, 13
 8      syscall
 9      mov       rax, 0x02000001
10      xor       rdi, rdi
11      syscall 
12      section   .data
13  message:  
14      db        "Hello, World", 10