Message-ID: <XFMail.20010428140614.davidel@xmailserver.org>
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Date: Sat, 28 Apr 2001 14:06:14 -0700 (PDT)
From: Davide Libenzi <davidel@xmailserver.org>
To: Tony Hoyle <tmh@nothing-on.tv>
Subject: RE: just-in-time debugging?
Cc: linux-kernel@vger.kernel.org
Sender: linux-kernel-owner@vger.kernel.org


On 28-Apr-2001 Tony Hoyle wrote:
> On 28 Apr 2001 13:44:48 -0700, Davide Libenzi wrote:
>> Sorry but why don't You run Your application with gdb ?
>> Once Your program crashes You'll get the prompt and You'll be able to
>> stack-trace and watching whatever You need.
>> The solution I use to be able to get inside the program even when the gdb is
>> not running is the one that You can find in the attached file.
>> Basically it install the handler that will create a script file that You can
>> use to automatically enter with gdb inside Your program while it's running.
> 
> 
> 
> Because the program is invoked as part of a much larger system & I don't
> 
> know which process is going to crash when.  
> 
> Having gdb come up automatically would greatly decrease development
> time.  I'm trying to track down multiple bugs (caused by me, but they
> still need tracking down) which show up during stress testing.  The bug
> will manifest itself in maybe the 1000th iteration...   If I could hack
> gdb into coming up automatically when things went wrong it'd get rid of
> the need to have thousands of printf's in the app (which is my primary
> debugging tool at the moment).
> 
> At work I do this all the time... Windows pops up a dialog which
> basically says 'the program has crashed, debug?' and drops you straight
> into VC with everything intact.  It has assertion macros which wrap int3
> instructions.  You then continue your app under normal debug conditions.

Just check the code I sent, it works fine for Your needs.


- Davide

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