From: Andreas Schwab <schwab@suse.de>
To: Bill Gatliff <bgat@billgatliff.com>
Cc: gdb@sourceware.org, linuxppc-embedded@ozlabs.org
Subject: Re: Gdbserver syscall clobber
Date: Mon, 23 Jul 2007 16:59:00 -0000 [thread overview]
Message-ID: <jemyxn6qjq.fsf@sykes.suse.de> (raw)
In-Reply-To: <46A4D1F5.1060005@billgatliff.com> (Bill Gatliff's message of "Mon\, 23 Jul 2007 11\:06\:13 -0500")
Bill Gatliff <bgat@billgatliff.com> writes:
> Daniel Jacobowitz wrote:
>> On Wed, Jul 18, 2007 at 12:59:42PM -0500, Bill Gatliff wrote:
>>
>>> Now, I'm a little rusty on PPC asm (I've been doing a lot of ARM
>>> lately), but it looks to me like the kernel is setting bit 0 in CR0
>>> (oris r10, r10, 0x1000) a.k.a LT, but the user side is looking at CR0
>>> (bnslr+) bit 3 a.k.a. SO.
Bits are numbered from left to right, thus 0x10000000 is bit 3 of CR0
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
prev parent reply other threads:[~2007-07-23 16:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-16 15:53 Bill Gatliff
2007-07-16 19:35 ` Daniel Jacobowitz
2007-07-18 18:31 ` Bill Gatliff
2007-07-18 18:33 ` Daniel Jacobowitz
2007-07-23 16:15 ` Bill Gatliff
2007-07-23 16:19 ` Daniel Jacobowitz
2007-07-26 20:01 ` Bill Gatliff
2007-07-23 16:59 ` Andreas Schwab [this message]
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