1.global memcpy 2.global __memcpy_fwd 3.hidden __memcpy_fwd 4.type memcpy,@function 5memcpy: 6__memcpy_fwd: 7 push %esi 8 push %edi 9 mov 12(%esp),%edi 10 mov 16(%esp),%esi 11 mov 20(%esp),%ecx 12 mov %edi,%eax 13 cmp $4,%ecx 14 jc 1f 15 test $3,%edi 16 jz 1f 172: movsb 18 dec %ecx 19 test $3,%edi 20 jnz 2b 211: mov %ecx,%edx 22 shr $2,%ecx 23 rep 24 movsl 25 and $3,%edx 26 jz 1f 272: movsb 28 dec %edx 29 jnz 2b 301: pop %edi 31 pop %esi 32 ret 33