函数名不一致

心得:Xcode中UI看到的函数调用堆栈中的函数,未必准确,有时候是在bt中才能看到真正的函数

举例:

看到的是:

  • crypto_sign_ed25519_ref10_fe_sq

xcode_show_bt_crypto_sign

切换过去,但是当前窗口没变化:没有切换到:crypto_sign_ed25519_ref10_fe_sq的汇编代码窗口

而回头才注意到:

其实bt中的函数调用堆栈:

(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 20.1
  * frame #0: 0x000000010a411ca8 HookWhatsApp.dylib`_logos_meta_method$_ungrouped$NSURLRequest$requestWithURL$(self=NSMutableURLRequest, _cmd="requestWithURL:", URL="https://v.whatsapp.net/v2/reg_onboard_abprop?cc=1&in=8784650468&rc=0&ab_hash=2mnxZr") at HookWhatsApp.xm:101:12
    frame #1: 0x00000001088e6798 SharedModules`+[NSMutableURLRequest(Additions) wa_requestWithURL:attribution:] + 28
    frame #2: 0x0000000104bd05c4 WhatsApp`+[WARegistrationURLBuilder preChatdABPropURLRequestWithPhoneNumber:abHash:] + 56
    frame #3: 0x0000000104bd75c4 WhatsApp`-[WARegistrationManager requestPreChatdABPropsForPhoneNumber:userContext:completion:] + 112
...

其实是:

  • frame #1: 0x00000001088e6798 SharedModules+[NSMutableURLRequest(Additions) wa_requestWithURL:attribution:] + 28`

即:真正的函数是:+[NSMutableURLRequest(Additions) wa_requestWithURL:attribution:]等相关调用

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