linux-kernel - Re: tracing: gcc for x86 calling mcount with -fomit-frame-pointer

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Message-ID: <4B2BA543.6070302@bitwagon.com>
Date:	Fri, 18 Dec 2009 07:52:35 -0800
From:	John Reiser <jreiser@...wagon.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jiri Kosina <jkosina@...e.cz>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: tracing: gcc for x86 calling mcount with -fomit-frame-pointer

On 12/17/2009 11:02 AM, Andi Kleen wrote:
> John Reiser<jreiser@...wagon.com>  writes:
>
>> On x86 and x86_64, current "gcc -pg -fomit-frame-pointer" is not allowed.
>> This experimental patch against:
>>    http://mirrors.kernel.org/fedora/releases/12/Fedora/source/SRPMS/gcc-4.4.2-7.fc12.src.rpm

> I submitted a similar patch for all of this some time [ago] to gcc,
> and also resubmitted it recently.  ...  they told me it's queued in some way
 > for the next stage 1.  ...

> I also have a glibc patch for this.

I found  http://gcc.gnu.org/ml/gcc/2009-11/msg00565.html .
Where is the glibc patch?  Reports by users of successful experiences
can help shorten the cycle for official changes.

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