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From: Andreas Schwab <schwab@suse.de>
To: "Saurabh Thukral" <saurabhth@gmail.com>
Cc: gdb@sourceware.org
Subject: Re: backtrace shows ?? instead of function names in gdb
Date: Wed, 13 Jun 2007 09:23:00 -0000	[thread overview]
Message-ID: <jelkeo9pi8.fsf@sykes.suse.de> (raw)
In-Reply-To: <4a4b2c810706130202q35296aadxe139a0e8a305c7e6@mail.gmail.com> 	(Saurabh Thukral's message of "Wed\, 13 Jun 2007 14\:32\:23 +0530")

"Saurabh Thukral" <saurabhth@gmail.com> writes:

> Hi all,
>
> While debugging a core file produced by a program, I found the
> following backtrace:
> #0  0x0000000000000000 in ?? ()

That looks like an indirect call through a NULL function pointer.  Never
a valid function, thus it never has a name.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."


  reply	other threads:[~2007-06-13  9:23 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-13  9:02 Saurabh Thukral
2007-06-13  9:23 ` Andreas Schwab [this message]
2007-06-13  9:35   ` Saurabh Thukral

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