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Re: single stepping exit confusion
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Re: single stepping exit confusion


  • Subject: Re: single stepping exit confusion
  • From: Wade Tregaskis <email@hidden>
  • Date: Mon, 3 Nov 2003 14:44:41 +1100

here are some messages that gdb returned while i was debugging. because i was not stepping through my own code when i got these messages, i am led to believe that perhaps they are caused by some error on apple's part. does anyone know what could be causing this?

I don't know what the deal with the crash is, but the no line number warnings are to be expected. Apple strip their framework binaries down to the bare minimum to save space, which means nothing more than the symbol names the ObjC runtime needs. Plus, you don't have the source to Apple's frameworks, so what good would a line number do you anyway?

Be careful when stepping through other people's frameworks for which you don't have the code - gdb tends to jump all over the place, since it doesn't seem to be very sure where to end each step. I've seen gdb occasionally cause an otherwise fine program to crash by doing this. That may be the case with the crash you posted.

Wade Tregaskis
-- Sed quis custodiet ipsos custodes?
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References: 
 >single stepping exit confusion (From: David Cairns <email@hidden>)

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