From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Owens Date: Thu, 03 Nov 2005 07:34:48 +0000 Subject: Re: [patch] align signal-frame even when not using alternate signal-stack Message-Id: <12071.1131003288@kao2.melbourne.sgi.com> List-Id: References: <20051103064019.5B552B3421@localhost.localdomain> In-Reply-To: <20051103064019.5B552B3421@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Wed, 2 Nov 2005 22:40:19 -0800 (PST), davidm@mail.mostang.com (David Mosberger-Tang) wrote: >At the moment, attempting to invoke a signal-handler on the normal >stack is guaranteed to fail if the stack-pointer happens not to be >16-byte aligned. Itanium Software Conventions and Runtime Architecture Guide, section 7.1 says that the stack pointer must always be aligned on a 16 byte boundary. What software is not using 16 byte alignment for the stack?