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Re: pthread_t ids of threads not showed by "thread info"

From: Daniel Jacobowitz <dan at codesourcery dot com>
To: Petr Hluzín <petr dot hluzin at gmail dot com>
Cc: Stefano Sabatini <stefano dot sabatini-lala at poste dot it>, gdb Mailing List <gdb at sources dot redhat dot com>
Date: Thu, 22 Apr 2010 16:56:46 -0400
Subject: Re: pthread_t ids of threads not showed by "thread info"
References: <20100422151855.GA3128@geppetto> <o2t6a6f635a1004221351u90d4f188z573ec8127ae279cd@mail.gmail.com>

On Thu, Apr 22, 2010 at 10:51:55PM +0200, Petr Hluzín wrote:
> The 0xb7fdf410 is a return address within code of __kernel_vsyscall().
> The address is mostly useless when you have symbols. I guess it is
> mostly for debugging gdb itself.

The address is shown whenever you aren't at the start of a known
source line; there's no source level debug info for the vDSO.

-- 
Daniel Jacobowitz
CodeSourcery

References:
- pthread_t ids of threads not showed by "thread info"
  - From: Stefano Sabatini
- Re: pthread_t ids of threads not showed by "thread info"
  - From: Petr HluzÃn

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