From: Paul Mundt <lethal@linux-sh.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: asm-sh64/module.h defines 32 bit ELF types
Date: Mon, 18 Jun 2007 09:29:21 +0900 [thread overview]
Message-ID: <20070618002921.GA30509@linux-sh.org> (raw)
In-Reply-To: <4672F240.7060106@goop.org>
On Fri, Jun 15, 2007 at 01:10:40PM -0700, Jeremy Fitzhardinge wrote:
> I'm doing a little cleanup of ELF stuff around the tree, and I noticed
> that asm-sh64/module.h defines 32 bit versions of the ELF types rather
> than 64. Is this right?
>
Yes, that's correct. sh64 supports both a 64-bit and a 32-bit ABI, but in
practice, only the 32-bit is used (both for kernel and user space). While
registers and loads/stores are 64-bits, the pointer size is still 32 when
using the 32-bit ABI. This was the reason for things like ARCH_SLAB_MINALIGN.
prev parent reply other threads:[~2007-06-18 0:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-15 20:10 asm-sh64/module.h defines 32 bit ELF types Jeremy Fitzhardinge
2007-06-18 0:29 ` Paul Mundt [this message]
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