linux-kernel - Re: [PATCH v2 0/8] clean up vdso-layout.lds.S

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Message-Id: <1245079649.17481.121.camel@nathan.suse.cz>
Date:	Mon, 15 Jun 2009 17:27:29 +0200
From:	Petr Tesarik <ptesarik@...e.cz>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	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>,
	Roland McGrath <roland@...hat.com>
Subject: Re: [PATCH v2 0/8] clean up vdso-layout.lds.S

Petr Tesarik píše v Po 15. 06. 2009 v 17:16 +0200:
> [...]
> An example can probably explain it better:
> 
> $ cat >shared.c <<EOF
> int shared_object[100];
> EOF
> $ cat >exe.c <<EOF
> #include <stdio.h>
> extern int shared_object[100];
> int main(void) {
> 	printf("%p\n", &shared_object); 
> 	return 0;
> }
> EOF

BTW this example demonstrates that there is one section which should be
included in .data but is not:

	*(COMMON)

I'll send a patch later.

Petr Tesarik

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