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Re: [PATCH, RFC] MIPS: Implement the getcontext API

To: Ralf Baechle <ralf@linux-mips.org>
Subject: Re: [PATCH, RFC] MIPS: Implement the getcontext API
From: "Joseph S. Myers" <joseph@codesourcery.com>
Date: Thu, 5 Mar 2009 21:53:18 +0000 (UTC)
Cc: "David VomLehn (dvomlehn)" <dvomlehn@cisco.com>, David Daney <ddaney@caviumnetworks.com>, "Maciej W. Rozycki" <macro@codesourcery.com>, linux-mips@linux-mips.org, libc-ports@sourceware.org, "Maciej W. Rozycki" <macro@linux-mips.org>, Richard Sandiford <rdsandiford@googlemail.com>
In-reply-to: <20090305213653.GB12355@linux-mips.org>
Original-recipient: rfc822;linux-mips@linux-mips.org
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On Thu, 5 Mar 2009, Ralf Baechle wrote:

> stillborn EABI and NUBI variants.  Add various Linux and GNU specific
> enhancements and deviations from the previously mentioned documents for
> example for TLS.  Frequently the documentation really is just in the code,
> a mailing list archive or in the back of somebody's brain ...

(Although it took a while for the documentation to catch up with the 
implementation and changes made in the course of patch review, as far as I 
know <http://www.linux-mips.org/wiki/NPTL> is now an accurate description 
of TLS for MIPS.)

> Somebody could probably earn a medal by writing a single consolidated
> and readable piece of documentation.

Anyone seriously wishing to produce a complete and current and 
copyright-clean description of what the MIPS ABIs now are might wish to 
note that a similar project for (32-bit) Power Architecture has been going 
on since late 2006 and we still haven't quite got to the point of 
releasing a public review draft.  There is a lot of work involved.

-- 
Joseph S. Myers
joseph@codesourcery.com

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