.text
    .global main

main:

    movl    $len,%edx    
    movl    $msg,%ecx    
    movl    $1,%ebx        
    movl    $4,%eax        
    int    $0x80        


    movl    $0,%ebx    
    movl    $1,%eax    
    int    $0x80        

.data                    

msg:
    .ascii    "Hello World!\n"
    len = . - msg