linux-kernel - Re: [PATCH] x86: clean up vdso-layout.lds.S

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Message-Id: <20090609080933.E68BEFC3B2@magilla.sf.frob.com>
Date:	Tue,  9 Jun 2009 01:09:33 -0700 (PDT)
From:	Roland McGrath <roland@...hat.com>
To:	Petr Tesarik <ptesarik@...e.cz>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH] x86: clean up vdso-layout.lds.S

> Which version of binutils are you using? I'm using binutils-2.19, and
> all empty sections get completely discarded, i.e. they do not affect the
> size of the output in any way.

Oh, empty, sure.  So then what is ".broken" for at all?
I thought this was for the nonempty-but-useless ones like .got et al
that the linker will insist on creating but we don't really need in the vDSO.


Thanks,
Roland
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