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Message-ID: <20090225222604.GA26938@pengutronix.de> Date: Wed, 25 Feb 2009 23:26:04 +0100 From: Uwe Kleine-König <u.kleine-koenig@...gutronix.de> To: Mike Frysinger <vapier.adi@...il.com> Cc: Bernd Schmidt <bernds_cb1@...nline.de>, linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>, Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu> Subject: Re: [PATCH] make CALLER_ADDRx overwriteable On Wed, Feb 25, 2009 at 05:20:13PM -0500, Mike Frysinger wrote: > On Wed, Feb 25, 2009 at 17:16, Uwe Kleine-König wrote: > > The current definition of CALLER_ADDRx isn't suitable for all platforms. > > E.g. for ARM __builtin_return_address(N) doesn't work for N > 0 > > afaik, the same applies to the Blackfin port. we looked at > implementing __builtin_return_address(N) and decided it wasnt worth > the hassle. I think the same applies for ARM: http://thread.gmane.org/gmane.comp.gcc.devel/103804 Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Strasse 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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