Re: XCode debugging problems
Re: XCode debugging problems
- Subject: Re: XCode debugging problems
- From: Jose Commins <email@hidden>
- Date: Tue, 2 Dec 2003 14:48:18 +0000
This may be a joint compiler/debugger problem, as I have similar
random crashes when debugging an app that works perfectly well without
the debugger (I've had to disassemble it using another app to see if it
was fine).
The compiler doesn't seem to be picking up some errors which it used
to do: 'GetControlValue' doesn't return an error on compilation,
despite having to be 'GetControl32BitValue', resulting in duff code.
Moreover, debuggers usualy insert breakpoints by replacing an
instruction with a PowerPC exception - from looking at these posts it
could be that it is inserting misplaced exceptions on possibly stale
code, which could be an explanation for spurious crashes.
Regards,
Jose.
On 2 Dec 2003, at 06:01, Nick Zitzmann wrote:
On Dec 1, 2003, at 11:17 AM, Ben Guthro wrote:
I converted the project from ProjectBuilder to XCode upon opening it
for
the first time.
After a successful build, my app will run from the finder, but not
with
the "Build & Debug" menu selection, nor "Debug". An error message is
never displayed - It just quite simply does not load.
I've had a similar problem - I've got an application that, for some odd
reason, when run in the debugger, does not complete initialization.
When I pause execution, it appears that it's setting up a toolbar that
has a pull-down menu in it, and the process of initializing that menu,
it tries to lock an NSConditionLock deep within AppKit that for some
reason never gets unlocked. This does not happen when it's launched
from the Finder... Maybe this is the same problem you're experiencing.
I've found that sometimes stopping and restarting debugging repeatedly
when the problem occurs makes it launch eventually, as it seems to be
completely random. <8*(
Nick Zitzmann
AIM/iChat: dragonsdontsleep
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