section .text
        global  _start
        _start:

        ; write 
        mov     rax,1
        mov     rdi,1
        mov     rsi,msg
        mov     rdx,len
        syscall

        ; exit
        mov     rax,60
        xor     rdi,rdi
        syscall

section .data
        msg     db      "Hello, 世界",10
        len     equ     $-msg