From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 178FEDDFA0 for ; Wed, 30 May 2007 22:01:21 +1000 (EST) Subject: Re: Saving to 32 bits of GPRs in signal context From: Benjamin Herrenschmidt To: Segher Boessenkool In-Reply-To: References: <18012.61822.197988.279764@cargo.ozlabs.ibm.com> Content-Type: text/plain Date: Wed, 30 May 2007 22:01:10 +1000 Message-Id: <1180526470.19517.274.camel@localhost.localdomain> Mime-Version: 1.0 Cc: linuxppc-dev list , Steve Munroe , Ulrich Weigand , Paul Mackerras , Anton Blanchard List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 2007-05-30 at 13:59 +0200, Segher Boessenkool wrote: > This prctl() is needed if you want to support DSOs containing > 64-bit insns. It would be nice to have some ELF flag as well > though, so most of this can be handled automatically. Actually, it's the opposite... the prctl becomes a problem if you have libs wanting to use 64 bits for optims Ben.