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Solved Re: Debugging a crash in dyld

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Solved Re: Debugging a crash in dyld

Subject: Solved Re: Debugging a crash in dyld
From: Fritz Anderson <email@hidden>
Date: Fri, 24 Apr 2009 10:46:53 -0500

I figured it out.

I had gdb generate a log, and from there found my bad-access address (why didn't the gdb console tell me this?). atos told me it was NXArgc, _in my binary_. I discovered that #importing <Foundation/ NSDebug.h>, which is in the Simulator SDK, or declaring NSZombieEnabled extern, causes an access to NXArgc, crashing me at load.

My mistake was in trying to access NSZombieEnabled as a global variable. Setting it in the executable's environment variables got me zombies, with no crash.

I'll file a bug against NSDebug.h in the iPhone Simulator SDK.

	— F

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References:  
  >Debugging a crash in dyld (From: Fritz Anderson <email@hidden>)
  >Re: Debugging a crash in dyld (From: Fritz Anderson <email@hidden>)




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