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Re: [PATCH] AARCH64: Change cpsr type to be 64bit.
- From: Pedro Alves <palves at redhat dot com>
- To: Andrew Pinski <pinskia at gmail dot com>
- Cc: gdb-patches at sourceware dot org, Andrew Pinski <apinski at cavium dot com>
- Date: Fri, 20 Dec 2013 17:47:52 +0000
- Subject: Re: [PATCH] AARCH64: Change cpsr type to be 64bit.
- Authentication-results: sourceware.org; auth=none
- References: <1387393684-29115-1-git-send-email-apinski at cavium dot com>
On 12/18/2013 07:08 PM, Andrew Pinski wrote:
> As mentioned in http://www.spinics.net/lists/arm-kernel/msg290896.html, we should change gdb's notion of cpsr to be 64bit.
>
> OK? Build and tested for aarch64-linux-gnu with no regressions.
> I also double checked to make sure that what is passed down from the kernel (via sigcontext), is the full 64bit.
With this, the register will be exposed as 64-bit to the
user. Is that desirable? The fact that the original
description used 32-bit makes it sounds like it's not.
What's the real register width at the (asm visible)
machine level?
--
Pedro Alves