i have the following stack trace:
0 MyApp 0x000833a3 +[TFCrashHandler backtrace] + 26
1 MyApp 0x000836bd TFSignalHandler + 28
2 libsystem_c.dylib 0x33eac727 _sigtramp + 34
3 ??? 0x00000002 0x0 + 2
4 MyApp 0x000803f1 msgpack_unpack_next + 112
5 MyApp 0x0007faeb +[MessagePackParser parseData:] + 74
6 MyApp 0x0007f84b -[NSData(NSData_MessagePack) messagePackParse] + 26
7 MyApp 0x000254c3 +[Http get:params:cacheMins:msgPack:complete:] + 146
...
And i'm wondering how to read it:
- I assume i go from the bottom up, eg line 7 called line 6 called line 5, etc.
- What does the '+ 112' on line 4 mean? Is that a line number in the code file where it crashed?
- What does the '???' on line 3 mean?
Thanks a lot