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From: "Munzir Taha (منذر طه)" <munzirtaha@gmail.com>
To: gdb@sourceware.org
Subject: Re: Why type = <data variable, no debug info>?
Date: Sat, 21 Oct 2006 04:44:00 -0000	[thread overview]
Message-ID: <200610210744.23212.munzirtaha@gmail.com> (raw)
In-Reply-To: <4539992E.626AAE3A@dessent.net>

On Saturday 21 October 2006 06:51, Brian Dessent wrote:
> "Munzir Taha (منذر طه)" wrote:
> > Hi, in this small program logic tells me that errno and n should have the
> > same value displayed in gdb. Am I missing something obvious?
>
> You're probably running into the fact that on modern glibc errno is a
> TLS symbol, not a regular one.  This means it can take on a different
> value in each thread, and thus is accessed through an indirection.
>
> You might get better debugging ability if you compile with -ggdb3

Thanks a lot Brian for your quick and accurate response. Compiling with -ggdb3 
displays the correct value for errno now.

-- 
Munzir Taha
Telecommunications and Electronics Engineer
Maintainer of Fedora Arabic Translation Project
https://listman.redhat.com/mailman/listinfo/fedora-trans-ar
Maintainer of the OpenBugs project page at
http://www.arabic-fedora.org/munzir/OpenBugs.html
Master CIW Designer, ICDL, MOUS, Linux+, LPI 101
Riyadh, SA


  reply	other threads:[~2006-10-21  4:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-21  3:20 Munzir Taha (منذر طه)
2006-10-21  3:51 ` Brian Dessent
2006-10-21  4:44   ` Munzir Taha (منذر طه) [this message]
2006-10-21  5:13   ` Daniel Jacobowitz

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