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From: Rich Felker <dalias@libc.org>
To: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: Carlos O'Donell <carlos@redhat.com>,
	libc-alpha@sourceware.org,	gdb-patches@sourceware.org
Subject: Re: [libc patch] __tls_get_addr with link_map * instead of modid
Date: Sat, 25 Oct 2014 05:55:00 -0000	[thread overview]
Message-ID: <20141025055516.GJ22465@brightrain.aerifal.cx> (raw)
In-Reply-To: <20141024144014.GA2193@host2.jankratochvil.net>

On Fri, Oct 24, 2014 at 04:40:14PM +0200, Jan Kratochvil wrote:
> On Fri, 24 Oct 2014 16:22:29 +0200, Carlos O'Donell wrote:
> > What's wrong with using libthread_db to get the module ID and then you can
> > call the normal TLS functions
> +
> > Isn't a solution to use libthread_db to get the module ID from the link_map,
> > then use that with normal __tls_get_addr instead of adding to ld's API?
> 
> I forgot about this possibility - that libthread_db would provide just the
> module ID (and not some per-thread address).

Why not just use dl_iterate_phdr to get the module id?

Rich


  parent reply	other threads:[~2014-10-25  5:55 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-18 20:15 Jan Kratochvil
2014-10-18 21:20 ` Rich Felker
2014-10-18 21:27   ` Jan Kratochvil
2014-10-18 21:44     ` Rich Felker
2014-10-23 10:03 ` Alexandre Oliva
2014-10-23 12:52   ` Jan Kratochvil
2014-10-24  1:47 ` Mike Frysinger
2014-10-24  2:21 ` Carlos O'Donell
     [not found]   ` <20141024093834.GA24090@host2.jankratochvil.net>
2014-10-24 14:22     ` Carlos O'Donell
2014-10-24 14:40       ` Jan Kratochvil
2014-10-24 15:00         ` Carlos O'Donell
2014-10-25  5:55         ` Rich Felker [this message]
2014-10-25  6:14           ` Jan Kratochvil
2014-10-25  6:26             ` Rich Felker
2014-10-24 15:56       ` Pedro Alves

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