我的应用程序中发生崩溃，但崩溃报告仅显示系统库。很明显，我的应用程序引发了这个问题，但是因为1）它的大小和2）我的库中没有任何库的符号，我无法弄清楚它在哪里发生。据我所知，它与NSUrlConnection有关，但它被用于很多地方。
当堆栈跟踪中没有提到我的应用程序时，是否有任何机构知道如何使用Atos或lldb进行符号化？
下面是堆栈。
由于
Thread 33:: com.apple.NSURLConnectionLoader Dispatch queue: com.apple.CFFileDescriptor
0 com.apple.CoreFoundation 0x00007fff9d3a2add __CFFileDescriptorEnableCallBacks_block_invoke + 13
1 libdispatch.dylib 0x00007fff9b13440b _dispatch_client_callout + 8
2 libdispatch.dylib 0x00007fff9b1359f2 _dispatch_barrier_sync_f_invoke + 74
3 com.apple.CoreFoundation 0x00007fff9d3a2ab4 CFFileDescriptorEnableCallBacks + 180
4 com.apple.CoreFoundation 0x00007fff9d42cdaa constructCFFD + 122
5 com.apple.CoreFoundation 0x00007fff9d36e48e fileOpen + 238
6 com.apple.CoreFoundation 0x00007fff9d3626a8 _CFStreamOpen + 120
7 com.apple.CoreFoundation 0x00007fff9d36e37f CFReadStreamOpen + 95
8 com.apple.CFNetwork 0x00007fff911b27fe FileURLProtocol::_protocolInterface_startLoad(_CFCachedURLResponse const*) + 578
9 com.apple.CFNetwork 0x00007fff91041350 ___ZN19URLConnectionLoader27_private_ScheduleOriginLoadEPK12NSURLRequestPK20_CFCachedURLResponse_block_invoke_2 + 61
10 com.apple.CFNetwork 0x00007fff910412f1 ___ZNK19URLConnectionLoader25withExistingProtocolAsyncEU13block_pointerFvP11URLProtocolE_block_invoke + 25
11 libdispatch.dylib 0x00007fff9b13440b _dispatch_client_callout + 8
12 libdispatch.dylib 0x00007fff9b142039 _dispatch_block_invoke + 474
13 com.apple.CFNetwork 0x00007fff9104017c RunloopBlockContext::_invoke_block(void const*, void*) + 24
14 com.apple.CoreFoundation 0x00007fff9d33ad74 CFArrayApplyFunction + 68
15 com.apple.CFNetwork 0x00007fff91040075 RunloopBlockContext::perform() + 137
16 com.apple.CFNetwork 0x00007fff9103ff16 MultiplexerSource::perform() + 282
17 com.apple.CFNetwork 0x00007fff9103fd38 MultiplexerSource::_perform(void*) + 72
18 com.apple.CoreFoundation 0x00007fff9d398881 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
19 com.apple.CoreFoundation 0x00007fff9d377fbc __CFRunLoopDoSources0 + 556
20 com.apple.CoreFoundation 0x00007fff9d3774df __CFRunLoopRun + 927
21 com.apple.CoreFoundation 0x00007fff9d376ed8 CFRunLoopRunSpecific + 296
22 com.apple.CFNetwork 0x00007fff9101aa6d +[NSURLConnection(Loader) _resourceLoadLoop:] + 412
23 com.apple.Foundation 0x00007fff9b195e64 __NSThread__start__ + 1351
24 libsystem_pthread.dylib 0x00007fff9997a99d _pthread_body + 131
25 libsystem_pthread.dylib 0x00007fff9997a91a _pthread_start + 168
26 libsystem_pthread.dylib 0x00007fff99978351 thread_start + 13