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From: Albert ARIBAUD <albert@aribaud.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH RFC 3/3] arm920t: do not relocate NULL pointer
Date: Tue, 30 Nov 2010 09:32:33 +0100	[thread overview]
Message-ID: <4CF4B6A1.7090509@aribaud.net> (raw)
In-Reply-To: <1291100800-61850-4-git-send-email-andreas.devel@googlemail.com>

Le 30/11/2010 08:06, Andreas Bie?mann a ?crit :
> Signed-off-by: Andreas Bie?mann<andreas.devel@googlemail.com>

> +	cmp	r1, #0			/* symbol == NULL ? */
> +	beq	fixnext

Nak. Don't hide a null pointer. NULL pointers are *not* relocated, since 
they are a constant. If a NULL ends up in relocation tables, that is 
because of a corruption *or* because it was to be relocated, and should 
thus never be ignored.

Amicalement,
-- 
Albert.

  reply	other threads:[~2010-11-30  8:32 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-29 19:58 [U-Boot] Try to fix Board eb_cpux9k2 Jens Scharsig
2010-11-30  7:06 ` [U-Boot] [PATCH RFC 0/3] chenages to arm relocation Andreas Bießmann
2010-11-30  7:06   ` [U-Boot] [PATCH RFC 1/3] arm920t: do not set register useless Andreas Bießmann
2010-11-30  8:07     ` Albert ARIBAUD
2010-11-30  8:28       ` Andreas Bießmann
2010-11-30  9:25         ` Albert ARIBAUD
2010-11-30  7:06   ` [U-Boot] [PATCH RFC 2/3] arm920t: do not use r8 for relocation Andreas Bießmann
2010-11-30  8:22     ` Albert ARIBAUD
2010-11-30  8:35       ` Andreas Bießmann
2010-11-30  8:58         ` Albert ARIBAUD
2010-11-30  7:06   ` [U-Boot] [PATCH RFC 3/3] arm920t: do not relocate NULL pointer Andreas Bießmann
2010-11-30  8:32     ` Albert ARIBAUD [this message]
2010-11-30  8:47       ` Joakim Tjernlund
2010-11-30  8:50         ` Andreas Bießmann
2010-11-30  9:02         ` Albert ARIBAUD
2010-11-30  9:41           ` Joakim Tjernlund
2010-11-30 11:48             ` Andreas Bießmann
2010-11-30 11:56               ` Joakim Tjernlund
2010-11-30  8:37 ` [U-Boot] Try to fix Board eb_cpux9k2 Albert ARIBAUD
2010-12-02 20:27   ` Jens Scharsig
2010-12-02 20:49     ` Albert ARIBAUD
2010-12-01  6:44 ` Albert ARIBAUD

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