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2014/10/15 ¤U¤È 10:07:55

iphone Programming Glossary: eax

Ignore certain exceptions when using Xcode's All Exceptions breakpoint

http://stackoverflow.com/questions/14370632/ignore-certain-exceptions-when-using-xcodes-all-exceptions-breakpoint

instead Add a Symbolic Breakpoint on objc_exception_throw Set a Condition on the Breakpoint to BOOL BOOL NSException eax className hasPrefix @ _NSCoreData The configured breakpoint should look something like this This will ignore any private.. exceptions as determined by the class name being prefixed by _NSCoreData that are used for control flow. Note that the eax register is only correct for the iOS Simulator. On the Device you'll want to change the register to r0 within the condition...

EXC_BAD_ACCESS (SIGSEGV) crash

http://stackoverflow.com/questions/1733317/exc-bad-access-sigsegv-crash

_pthread_start 321 2 libSystem.B.dylib 0x9290b012 thread_start 34 Thread 0 crashed with X86 Thread State 32 bit eax 0x00f797f0 ebx 0x305063d1 ecx 0x9117c334 edx 0xc0000003 edi 0x00f7b3b0 esi 0xbfffeaa4 ebp 0xbfffea28 esp 0xbfffe8a8 ss 0x0000001f..

Xcode/GDB: How to get information about an exception that was just thrown?

http://stackoverflow.com/questions/3327828/xcode-gdb-how-to-get-information-about-an-exception-that-was-just-thrown

to the objc_exception_throw breakpoint. Note that in all cases I tested the exception object was also present in the eax and edx registers at the time the breakpoint hit. I'm not sure that'll always be the case though. Added from comment below..

How do I tell iOS that I do not want the app to stay in the background?

http://stackoverflow.com/questions/6127560/how-do-i-tell-ios-that-i-do-not-want-the-app-to-stay-in-the-background

whenever it reaches ABMembersViewController applicationDidResume . Here comes the stack trace 0x00cc5994 0034 mov 0x8 eax eax 0x00cc5991 0031 mov 0x8 ebp eax 0x00cc598d 0027 mov eax 0x4 esp 0x00cc5987 0021 mov 0x4e082 ebx eax 0x00cc597f 0013.. it reaches ABMembersViewController applicationDidResume . Here comes the stack trace 0x00cc5994 0034 mov 0x8 eax eax 0x00cc5991 0031 mov 0x8 ebp eax 0x00cc598d 0027 mov eax 0x4 esp 0x00cc5987 0021 mov 0x4e082 ebx eax 0x00cc597f 0013 movl.. applicationDidResume . Here comes the stack trace 0x00cc5994 0034 mov 0x8 eax eax 0x00cc5991 0031 mov 0x8 ebp eax 0x00cc598d 0027 mov eax 0x4 esp 0x00cc5987 0021 mov 0x4e082 ebx eax 0x00cc597f 0013 movl 0x0 0x8 esp 0x00cc597e 0012 pop..