1.global memmove 2.type memmove,@function 3memmove: 4 mov 4(%esp),%eax 5 sub 8(%esp),%eax 6 cmp 12(%esp),%eax 7.hidden __memcpy_fwd 8 jae __memcpy_fwd 9 push %esi 10 push %edi 11 mov 12(%esp),%edi 12 mov 16(%esp),%esi 13 mov 20(%esp),%ecx 14 lea -1(%edi,%ecx),%edi 15 lea -1(%esi,%ecx),%esi 16 std 17 rep movsb 18 cld 19 lea 1(%edi),%eax 20 pop %edi 21 pop %esi 22 ret 23