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Using atos -p to get symbolic name of address?

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Using atos -p to get symbolic name of address?

Subject: Using atos -p to get symbolic name of address?
From: Dale Gillard <email@hidden>
Date: Fri, 24 Dec 2004 00:16:02 +1100

My app is crashing for a very small number of users, and I can't figure out the cause. So I'm trying to get more info out of the crash log. The app is stripped and I'm using the atos command to determine the symbolic name - using an unstripped copy of the app on my machine. Is it really this simple? For example, the following command uses the unstripped PID to generate this output:

command: atos -p 521 0x00008b0c 0x0000898c

output:  __dyld_init_check (in Sidekick) (crt.c:300)
              __start (in Sidekick) (crt.c:196)

This tells me that the app is crashing as it __starts, but doesn't explain why. Am I missing something?

Here's a relevant snippet from the crash log:

Exception:  EXC_BAD_ACCESS (0x0001)
Codes:      KERN_PROTECTION_FAILURE (0x0002) at 0x00000007

Thread 0 Crashed: 0 libSystem.B.dylib 0x90006e70 strlen + 0x50 1 com.apple.CoreFoundation 0x901a65d4 CFStringCreateWithCString + 0x24 2 com.apple.Foundation 0x90a3719c +[NSString stringWithCString:] + 0x74 3 com.dalegillard.sidekick 0x0000f81c 0x1000 + 0xe81c 4 com.dalegillard.sidekick 0x0000f5c8 0x1000 + 0xe5c8 5 com.apple.Foundation 0x90a2e750 -[NSSet makeObjectsPerformSelector:] + 0xa4 6 com.apple.AppKit 0x92df23a4 -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:] + 0x358 7 com.apple.AppKit 0x92e864f0 old_loadNib + 0xf4 8 com.apple.AppKit 0x92e3af38 +[NSBundle(NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:] + 0x35c 9 com.apple.AppKit 0x92eb9cbc +[NSBundle(NSNibLoading) loadNibFile:externalNameTable:withZone:] + 0x9c 10 com.apple.AppKit 0x92ecb4b0 +[NSBundle(NSNibLoading) loadNibNamed:owner:] + 0x174 11 com.apple.AppKit 0x92eb9b24 NSApplicationMain + 0x174 12 com.dalegillard.sidekick 0x00008b0c 0x1000 + 0x7b0c 13 com.dalegillard.sidekick 0x0000898c 0x1000 + 0x798c

Thanks in advance.

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Re: Using atos -p to get symbolic name of address?
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