反汇编问题！

反汇编出来一段汇编代码，我想知道_CTServerConnectionCellMonitorGetCellInfo函数的传入参数，谢谢了!

__CTServerConnectionCellMonitorGetCellInfo:
00014c3c     b590 push {r4, r7, lr}
00014c3e     af01 add r7, sp, #4
00014c40     b081 sub sp, #4
00014c42     4604 mov r4, r0
00014c44     9804 ldr r0, [sp, #16]
00014c46     9000 str r0, [sp, #0]
00014c48     4620 mov r0, r4
00014c4a f7ffffc1 bl __CTServerConnectionNetworkMonitorGetCellInfo
00014c4e     4620 mov r0, r4
00014c50 f1a70d04 sub.w sp, r7, #4 ; 0x4
00014c54     bd90 pop {r4, r7, pc}
00014c56     bf00 nop