cmpxchgtest.s

非常好的汇编代码示例

# cmpxchgtest.s - An example of the cmpxchg instruction
.section .data
data:
   .int 10
.section .text
.globl _start
_start:
   nop
   movl $10, %eax
   movl $5, %ebx
   cmpxchg %ebx, data
   movl $1, %eax
   int $0x80