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Re: RFC: Revise n32 ptrace interface

To: Daniel Jacobowitz <dan@debian.org>
Subject: Re: RFC: Revise n32 ptrace interface
From: Ralf Baechle <ralf@linux-mips.org>
Date: Fri, 30 Sep 2005 01:05:50 +0100
Cc: linux-mips@linux-mips.org
In-reply-to: <20050922182601.GA10829@nevyn.them.org>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20050922182601.GA10829@nevyn.them.org>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.4.2.1i
On Thu, Sep 22, 2005 at 02:26:01PM -0400, Daniel Jacobowitz wrote:

> 1.  We need to get at the 64-bit registers.  I considered a number of
> different approaches for this and decided to just implement a 64-bit
> PTRACE_GETREGS instead of messing with PTRACE_PEEKUSR.  It's much simpler
> this way.  I didn't add one for the DSP registers; that can be handled
> separately when someone's working on debug support for them...

I quite deliberately did omit DSP support from 64-bit ptrace(2); there
is currently no MIPS64 processor with DSP support that I know of.

  Ralf

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