汇编段寄存器

<pre><code class=”lang-bash”>section .text
global _start ;must be declared for linker (gcc)

_start: ;tell linker entry point
mov edx,len ;message length
mov ecx,msg ;message to write
mov ebx,1 ;file descriptor (stdout)
mov eax,4 ;system call number (sys_write)
int 0x80 ;call kernel

mov edx,9 ;message length
mov ecx,s2 ;message to write
mov ebx,1 ;file descriptor (stdout)
mov eax,4 ;system call number (sys_write)
int 0x80 ;call kernel

mov eax,1 ;system call number (sys_exit)
int 0x80 ;call kernel

section .data
msg db 'Displaying 9 stars',0xa ;a message
len equ $ – msg ;length of message
s2 times 9 db '*'
</code></pre>