From owner-freebsd-hackers@FreeBSD.ORG  Thu Oct 20 12:24:50 2011
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id CF5AF106564A
	for <freebsd-hackers@freebsd.org>; Thu, 20 Oct 2011 12:24:50 +0000 (UTC)
	(envelope-from lichray@gmail.com)
Received: from mail-ey0-f182.google.com (mail-ey0-f182.google.com
	[209.85.215.182])
	by mx1.freebsd.org (Postfix) with ESMTP id 37C778FC0A
	for <freebsd-hackers@freebsd.org>; Thu, 20 Oct 2011 12:24:49 +0000 (UTC)
Received: by eyd10 with SMTP id 10so3672960eyd.13
	for <multiple recipients>; Thu, 20 Oct 2011 05:24:49 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma;
	h=mime-version:in-reply-to:references:date:message-id:subject:from:to
	:cc:content-type;
	bh=7lxAilYrSnkXEuoRRXQ8gPg5uroZjvH3KPs4ePvtCBo=;
	b=YSVeXB4BVH4R43j8BCoy5k1FWC+KpOsQqZmi6Op6hCBS+TiMLNgF7zXULUz2v9c+Ev
	LEWbliUTnvmNd9zfCpzbMDW4crjAusB8thRgvkcab+iRqKOA0HujXPGbSXaJF/aG0yoj
	nlGmZsdLhrffA5r+cdNzzPwVWl/iBZNEcXn4Q=
MIME-Version: 1.0
Received: by 10.213.27.204 with SMTP id j12mr2260841ebc.141.1319113488461;
	Thu, 20 Oct 2011 05:24:48 -0700 (PDT)
Received: by 10.213.113.10 with HTTP; Thu, 20 Oct 2011 05:24:48 -0700 (PDT)
In-Reply-To: <4EA01063.8040304@FreeBSD.org>
References: <alpine.BSF.2.00.1110200937220.33102@wojtek.tensor.gdynia.pl>
	<20111020082234.GA4568@britannica.bec.de>
	<alpine.BSF.2.00.1110201244001.36805@wojtek.tensor.gdynia.pl>
	<4EA01063.8040304@FreeBSD.org>
Date: Thu, 20 Oct 2011 07:24:48 -0500
Message-ID: <CAGsORuAE=ijhzezLuSJ4aq0a1p_e72Pi58OALAfJAzjkjUbM+g@mail.gmail.com>
From: Zhihao Yuan <lichray@gmail.com>
To: Dimitry Andric <dim@freebsd.org>
Content-Type: text/plain; charset=UTF-8
X-Content-Filtered-By: Mailman/MimeDel 2.1.5
Cc: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>,
	Joerg Sonnenberger <joerg@britannica.bec.de>, freebsd-hackers@freebsd.org
Subject: Re: .eh_frame, .eh_frame_hdr - how to remove that trash
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 20 Oct 2011 12:24:51 -0000

On Thu, Oct 20, 2011 at 7:13 AM, Dimitry Andric <dim@freebsd.org> wrote:

> On 2011-10-20 12:44, Wojciech Puchar wrote:
>
>> i both don't use C++ and don't want to debug when i am linking final
>> binary.
>>
>> how to turn this off?
>>
>
> objcopy --remove-section .eh_frame_hdr --remove-section .eh_frame
> --remove-section .rel.eh_frame --remove-section .rela.eh_frame
> $your_executable
>

After I done this, the binary size *increased* a lot, while objdump shows
that the content is less. I don't understand.


>
> No warranty for any blown-off extremities, though.
>
> ______________________________**_________________
> freebsd-hackers@freebsd.org mailing list
> http://lists.freebsd.org/**mailman/listinfo/freebsd-**hackers<http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>
> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@**
> freebsd.org <freebsd-hackers-unsubscribe@freebsd.org>"
>



-- 
Zhihao Yuan, nickname lichray
The best way to predict the future is to invent it.
___________________________________________________
4BSD -- http://4bsd.biz/