iOS开发 llbd

一、bt命令

bt
  * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 2.1
  * frame #0: 0x00000001026367cc ObjcGoNew`-[RLViewController touchesBegan:withEvent:](self=0x0000000102f39fa0, _cmd="touchesBegan:withEvent:", touches=1 element, event=0x0000000282c84240) at RLViewController.m:24:5
    frame #1: 0x000000018590da7c UIKitCore`forwardTouchMethod + 316
    frame #2: 0x000000018590d92c UIKitCore`-[UIResponder touchesBegan:withEvent:] + 60
    frame #3: 0x000000018591ba48 UIKitCore`-[UIWindow _sendTouchesForEvent:] + 640
    frame #4: 0x000000018591d5cc UIKitCore`-[UIWindow sendEvent:] + 3824
    frame #5: 0x00000001858f8bf0 UIKitCore`-[UIApplication sendEvent:] + 744
    frame #6: 0x000000018597b164 UIKitCore`__dispatchPreprocessedEventFromEventQueue + 1032
    frame #7: 0x000000018597f904 UIKitCore`__processEventQueue + 6440
    frame #8: 0x0000000185976be8 UIKitCore`__eventFetcherSourceCallback + 156
    frame #9: 0x0000000182ff1bf0 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
    frame #10: 0x0000000182ff1af0 CoreFoundation`__CFRunLoopDoSource0 + 204
    frame #11: 0x0000000182ff0e38 CoreFoundation`__CFRunLoopDoSources0 + 256
    frame #12: 0x0000000182feb3e0 CoreFoundation`__CFRunLoopRun + 776
    frame #13: 0x0000000182feaba0 CoreFoundation`CFRunLoopRunSpecific + 572
    frame #14: 0x0000000199d28598 GraphicsServices`GSEventRunModal + 160
    frame #15: 0x00000001858da3d8 UIKitCore`-[UIApplication _run] + 1052
    frame #16: 0x00000001858df958 UIKitCore`UIApplicationMain + 164
    frame #17: 0x0000000102644840 ObjcGoNew`main(argc=1, argv=0x000000016d7cf898) at main.m:18:12
    frame #18: 0x0000000182cc9568 libdyld.dylib`start + 4