=> 0xb7870424 <__kernel_vsyscall+16>:	pop    %ebp
   0xb7870425 <__kernel_vsyscall+17>:	pop    %edx
   0xb7870426 <__kernel_vsyscall+18>:	pop    %ecx
   0xb7870427 <__kernel_vsyscall+19>:	ret    
   0xb7870428:	add    %ch,(%esi)
   0xb787042a:	jae    0xb7870494
   0xb787042c:	jae    0xb78704a2
   0xb787042e:	jb     0xb78704a4
   0xb7870430:	popa   
   0xb7870431:	bound  %eax,(%eax)
   0xb7870433:	cs
   0xb7870434:	push   $0x687361
   0xb7870439:	cs
   0xb787043a:	fs
   0xb787043b:	jns    0xb78704ab
   0xb787043d:	jae    0xb78704b8