From: Daniel Jacobowitz <dan@debian.org>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: "Tim Bird" <tim.bird@am.sony.com>,
"Russell King - ARM Linux" <linux@arm.linux.org.uk>,
"Frederic Weisbecker" <fweisbec@gmail.com>,
"Abhishek Sagar" <sagar.abhishek@gmail.com>,
linux-arm-kernel <linux-arm-kernel@lists.arm.linux.org.uk>,
"linux kernel" <linux-kernel@vger.kernel.org>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Ingo Molnar" <mingo@redhat.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Subject: Re: Anyone working on ftrace function graph support on ARM?
Date: Thu, 9 Apr 2009 11:29:57 -0400 [thread overview]
Message-ID: <20090409152957.GA7236@caradoc.them.org> (raw)
In-Reply-To: <1238158688.9698.16.camel@pc1117.cambridge.arm.com>
Sorry for the late reply, I'm way behind on list mail.
On Fri, Mar 27, 2009 at 12:58:08PM +0000, Catalin Marinas wrote:
> Anyway, the EABI toolchain I have (from CodeSourcery) generates
> something like below with -pg for both ARM and Thumb code (so that it
> doesn't rely on the frame pointer):
>
> push {lr}
> bl __gnu_mcount_nc
>
> I think this will be (was?) merged into the mainline gcc for ARM. The
> -pg option is still incompatible with -fomit-frame-pointer but maybe it
> shouldn't be anymore.
Was merged. It'll be in GCC 4.4 and is in our current Lite releases;
it was created to solve precisely this problem. It should be easy to
apply to an older GCC release if desired, but it's not in existing
FSF releases.
--
Daniel Jacobowitz
CodeSourcery
prev parent reply other threads:[~2009-04-09 15:54 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-24 19:38 Anyone working on ftrace function graph support on ARM? Tim Bird
2009-03-24 20:25 ` Ingo Molnar
2009-03-24 20:48 ` Tim Bird
2009-03-24 20:38 ` Uwe Kleine-König
2009-03-24 21:36 ` Frederic Weisbecker
2009-03-24 21:40 ` Tim Bird
2009-03-24 21:48 ` Ingo Molnar
2009-03-24 21:57 ` Frederic Weisbecker
2009-03-24 22:14 ` Ingo Molnar
2009-03-24 22:54 ` Frederic Weisbecker
2009-03-25 8:36 ` Russell King - ARM Linux
2009-03-25 16:00 ` Steven Rostedt
2009-03-25 17:13 ` Frederic Weisbecker
2009-03-25 20:27 ` [PATCH][GIT PULL] x86, function-graph: only save return values on x86_64 Steven Rostedt
2009-03-25 20:45 ` Jaswinder Singh Rajput
2009-03-25 21:26 ` Steven Rostedt
2009-04-08 16:09 ` Ingo Molnar
2009-04-08 16:37 ` Steven Rostedt
2009-04-08 16:41 ` Ingo Molnar
2009-04-08 17:40 ` Frederic Weisbecker
2009-03-24 22:29 ` Anyone working on ftrace function graph support on ARM? Abhishek Sagar
2009-03-24 22:48 ` Frederic Weisbecker
2009-03-25 8:42 ` Russell King - ARM Linux
2009-03-25 8:54 ` Ingo Molnar
2009-03-25 9:57 ` Russell King - ARM Linux
2009-03-25 10:45 ` Uwe Kleine-König
2009-03-25 11:21 ` Russell King - ARM Linux
2009-03-25 12:09 ` Uwe Kleine-König
2009-03-25 16:41 ` Tim Bird
2009-03-25 11:41 ` Frederic Weisbecker
2009-03-25 16:34 ` Tim Bird
2009-03-25 17:05 ` Uwe Kleine-König
2009-03-25 17:17 ` Russell King - ARM Linux
2009-03-25 18:37 ` Tim Bird
2009-03-25 18:41 ` Steven Rostedt
2009-03-27 12:58 ` Catalin Marinas
2009-04-09 15:29 ` Daniel Jacobowitz [this message]
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