汇编循环

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

_start: ;tell linker entry point
mov ecx,10
mov eax, '1'

l1:
mov [num], eax
mov eax, 4
mov ebx, 1
push ecx

mov ecx, num
mov edx, 1
int 0x80

mov eax, [num]
sub eax, '0'
inc eax
add eax, '0'
pop ecx
loop l1

mov eax,1 ;system call number (sys_exit)
int 0x80 ;call kernel
section .bss
num resb 1
</code></pre>