2014/10/15 下午 10:12:15

iphone Programming Glossary: objc_msgsend

http://stackoverflow.com/questions/1230858/iphone-core-data-crashing-on-save

Exception Codes KERN_PROTECTION_FAILURE at 0x00000015 Crashed Thread 0 Thread 0 Crashed 0 libobjc.A.dylib 0x30011940 objc_msgSend 20 1 CoreData 0x367f7d3e NSKnownKeysDictionary1 dealloc 82 2 CoreData 0x367f7cda NSKnownKeysDictionary1 release 34 3 CoreData.. error. The console doesn't say anything other than EXC_BAD_ACCESS if I do a backtrace I get #0 0x30011940 in objc_msgSend #1 0x367f7d44 in NSKnownKeysDictionary1 dealloc #2 0x367f7ce0 in NSKnownKeysDictionary1 release #3 0x3687eeca in NSManagedObject..

Thread 1 : EXC_BAD_ACCESS (Code = 1, address = 0x30000008) issue generated

http://stackoverflow.com/questions/12437605/thread-1-exc-bad-access-code-1-address-0x30000008-issue-generated

0x30000008 issue generated I have an issue running an app on a simulator. The problem EXC_BAD_ACCESS occurring at objc_msgSend in Thread 1. Screenshot In my Application I have multiple ViewController. when i click on back button of UINavigationBar..

What's the difference between KERN_INVALID_ADDRESS and KERN_PROTECTION_FAILURE?

http://stackoverflow.com/questions/1282428/whats-the-difference-between-kern-invalid-address-and-kern-protection-failure

at 0x67696c69 For what it's worth both have this trace Thread 0 Crashed 0 libobjc.A.dylib 0x30011940 objc_msgSend 20 1 UIKit 0x30940174 UIWindow _shouldAutorotateToInterfaceOrientation 60 2 UIKit 0x30a223d8 UIWindow _updateToInterfaceOrientation..

SEGV_ACCERR calling [[NSNotificationCenter defaultCenter] removeObserver:self] in dealloc

http://stackoverflow.com/questions/12901031/segv-accerr-calling-nsnotificationcenter-defaultcenter-removeobserverself-i

That line in the code is NSNotificationCenter defaultCenter removeObserver self The actual crash reason appears to be objc_msgSend referencing a deallocated object. The problem with that is that there are only 2 messages being sent here the defaultCenter.. Type SIGSEGV Exception Codes SEGV_ACCERR at 0xe0000008 Crashed Thread 0 Thread 0 Crashed 0 libobjc.A.dylib 0x000035b0 objc_msgSend 16 1 Anghami Beta 0x000c7473 SearchTabViewController dealloc SearchTabViewController.m 44 2 CoreFoundation 0x00003311..

iOS crash reports: atos not working as expected

http://stackoverflow.com/questions/13574933/ios-crash-reports-atos-not-working-as-expected

Crashed Thread 0 Thread 0 name Dispatch queue com.apple.main thread Thread 0 Crashed 0 libobjc.A.dylib 0x352925b0 objc_msgSend 16 1 MYAPP 0x0006573a MyViewController Images didReceiveImage context etag expires 42 2 MYAPP 0x0004fb26 MyImageTask didReceiveImage..

Is there a Quick Guide on how to use Shark with iPhone to measure performance?

http://stackoverflow.com/questions/1616548/is-there-a-quick-guide-on-how-to-use-shark-with-iphone-to-measure-performance

things you can do with Shark is to do a time profile of your application then right click on the low level symbols objc_msgSend etc. and charge the symbol or library to its caller. This very quickly lets you determine what methods of yours are chewing..

EXC_BAD_ACCESS (SIGSEGV) crash

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

Specific Information iPhone Simulator 3.0 138 iPhone OS 3.0 7A341 Thread 0 Crashed 0 libobjc.A.dylib 0x910e0688 objc_msgSend 24 1 CFNetwork 0x006b4868 URLConnectionClient _clientDidFinishLoading URLConnectionClient ClientConnectionEventQueue 194..

XCode 5 Crashes on AppStore Validation

http://stackoverflow.com/questions/18913964/xcode-5-crashes-on-appstore-validation

thread Exception Type EXC_BAD_ACCESS SIGSEGV Exception Codes EXC_I386_GPFLT Application Specific Information objc_msgSend selector name respondsToSelector ProductBuildVersion 5A1413 Thread 0 Crashed Dispatch queue com.apple.main thread 0 libobjc.A.dylib.. ProductBuildVersion 5A1413 Thread 0 Crashed Dispatch queue com.apple.main thread 0 libobjc.A.dylib 0x00007fff91d39510 objc_msgSend_vtable5 16 1 com.apple.AppKit 0x00007fff8c52c3b2 NSTextInputContext currentInputContext 128 2 com.apple.AppKit 0x00007fff8c52bb81..

How does Apple know you are using private API?

http://stackoverflow.com/questions/2842357/how-does-apple-know-you-are-using-private-api

want to workaround these checks you could use runtime features such as dlopen dlsym objc_getClass sel_registerName objc_msgSend valueForKey object_getInstanceVariable object_getIvar etc. to get those private libraries classes methods and ivars. share..

EXC_BAD_ACCESS on lauching, random bug

http://stackoverflow.com/questions/3360437/exc-bad-access-on-lauching-random-bug

first App but i'm getting a weird EXC_BAD_ACCESS that nearly happens all the time. Here is the trace #0 0x02adba93 in objc_msgSend #1 0x07022e00 in #2 0x028bcbcd in _CFAutoreleasePoolPop #3 0x0003999f in NSAutoreleasePool release #4 0x002e9f84 in _UIApplicationHandleEvent..

EXC_BAD_ACCESS on device, but fine on Simulator

http://stackoverflow.com/questions/3583728/exc-bad-access-on-device-but-fine-on-simulator

Exception Codes KERN_PROTECTION_FAILURE at 0x0000000f Crashed Thread 0 Thread 0 Crashed 0 libobjc.A.dylib 0x0000286e objc_msgSend 18 1 MyApp 0x00004fee 0x1000 16366 2 UIKit 0x000668f4 UIViewController view 104 3 MyApp 0x00009716 0x1000 34582 4..

Listening to all CFNotifications?

http://stackoverflow.com/questions/3964916/listening-to-all-cfnotifications

CFDictionaryRef userInfo NSNotification n NSNotification notificationWithName name object object userInfo userInfo objc_msgSend gSelf sel_getUid @ note n return void viewDidLoad super viewDidLoad gSelf self notifications NSMutableArray alloc initWithCapacity..

What are the Dangers of Method Swizzling in Objective C?

http://stackoverflow.com/questions/5339276/what-are-the-dangers-of-method-swizzling-in-objective-c

passed to the original method's implementation. This is where it happens self my_setFrame frame What line does is objc_msgSend self @selector my_setFrame frame Which will use the runtime to look up the implementation of my_setFrame . Once the implementation..

iPhone simulators crash on app launch

http://stackoverflow.com/questions/6790848/iphone-simulators-crash-on-app-launch

0x003c23dc 0012 call 0x3c23e1 __springboard_unimplemented 17 On 4.3 I also get an EXC_BAD_ACCESS error immediately on objc_msgSend and from what I can tell it's happening before the application even launches. I've tried cleaning the targets to no avail.. info available. #2 0x90bec6fe in start_wqthread No symbol table info available. Thread 1 process 1938 #0 0x01d4f09f in objc_msgSend No symbol table info available. #1 0x00000000 in No symbol table info available. EDIT Reinstalled the SDK didn't fix anything...

How to log all methods used in iOS app

http://stackoverflow.com/questions/7270502/how-to-log-all-methods-used-in-ios-app

question here I put together a debug breakpoint action that will log out the class and method name for every time objc_msgSend is triggered in your application. This works similarly to the DTrace script I described in this answer . To enable this.. navigator and create a new symbolic breakpoint using the plus at the bottom left of the window . Have the symbol be objc_msgSend set it to automatically continue after evaluating actions and set the action to be a debugger command using the following..