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Date: Fri, 20 Dec 2002 10:55:16 -0500
From: Jakub Jelinek <jakub@redhat.com>
To: Roland McGrath <roland@redhat.com>, linux-kernel@vger.kernel.org,
       Ingo Molnar <mingo@redhat.com>
Subject: Re: PTRACE_GET_THREAD_AREA
Message-ID: <20021220105513.J27455@devserv.devel.redhat.com>
Reply-To: Jakub Jelinek <jakub@redhat.com>
References: <200212200832.gBK8Wfg29816@magilla.sf.frob.com> <20021220154829.GB17007@nevyn.them.org>
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In-Reply-To: <20021220154829.GB17007@nevyn.them.org>; from dan@debian.org on Fri, Dec 20, 2002 at 10:48:29AM -0500
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On Fri, Dec 20, 2002 at 10:48:29AM -0500, Daniel Jacobowitz wrote:
> Eventually most or all targets will have thread-specific data
> implemented; I don't want to have to redo this for each one.

Well, but on most arches you don't need any kernel support for TLS.
On sparc32/sparc64/IA-64/s390/s390x and others you simply have one
general register reserved for it by the ABI, on Alpha you use a PAL
call.
set_thread_area/get_thread_area is IA-32/x86-64 specific.

	Jakub
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