From: John Blackwood <john.blackwood@ccur.com>
To: dan@debian.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ptrace(2) single-stepping into signal handlers
Date: Fri, 03 Jun 2005 14:07:40 -0400 [thread overview]
Message-ID: <42A09C6C.8030104@ccur.com> (raw)
> Subject: Re: [PATCH] ptrace(2) single-stepping into signal handlers
> From: Daniel Jacobowitz <dan@debian.org>
> Date: Fri, 3 Jun 2005 13:34:33 -0400
> To: John Blackwood <john.blackwood@ccur.com>
> CC: linux-kernel@vger.kernel.org, roland@redhat.com, ak@suse.de,
akpm@osdl.org, bugsy@ccur.com
>
> On Fri, Jun 03, 2005 at 01:21:20PM -0400, John Blackwood wrote:
> >> The reason for this behavior is due to the fact that:
> >>
> >> - We saved off the eflags (with the TF bit set) in setup_sigcontext()
> >> before we single stepped into the user's signal handler.
>
>
> You didn't say what kernel you were using. I believe this was fixed
> some time ago.
Hi Dan,
I observed this behavior in a 2.6.11.10 kernel. The code in 2.6.11.11
looks the same in this area... this is the i386 code that I am speaking of.
I guess that 'some time ago' is more recent than that?
If so, then please excuse me... and it's great that this is fixed.
next reply other threads:[~2005-06-03 18:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-03 18:07 John Blackwood [this message]
2005-06-03 18:11 ` [PATCH] ptrace(2) single-stepping into signal handlers Daniel Jacobowitz
-- strict thread matches above, loose matches on Subject: below --
2005-06-06 12:54 John Blackwood
[not found] <d7q7jf$2s8$1@trex.ccur.com>
2005-06-04 13:03 ` John Blackwood
2005-06-03 17:21 John Blackwood
2005-06-03 17:34 ` Daniel Jacobowitz
2005-06-05 11:21 ` Andi Kleen
2005-06-05 14:37 ` cutaway
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