From owner-cvs-all Sat Apr 13 7:25:45 2002 Delivered-To: cvs-all@freebsd.org Received: from anchor-post-31.mail.demon.net (anchor-post-31.mail.demon.net [194.217.242.89]) by hub.freebsd.org (Postfix) with ESMTP id 5B8B437B405; Sat, 13 Apr 2002 07:25:36 -0700 (PDT) Received: from mailgate.nlsystems.com ([62.49.251.130] helo=herring.nlsystems.com) by anchor-post-31.mail.demon.net with esmtp (Exim 3.35 #1) id 16wOT8-000LZB-0V; Sat, 13 Apr 2002 15:25:34 +0100 Received: from salmon.nlsystems.com (salmon [10.0.0.3]) by herring.nlsystems.com (8.12.2/8.11.2) with ESMTP id g3DEPYaf001292; Sat, 13 Apr 2002 15:25:34 +0100 (BST) (envelope-from dfr@nlsystems.com) Date: Sat, 13 Apr 2002 15:25:34 +0100 (BST) From: Doug Rabson To: Marcel Moolenaar Cc: Doug Rabson , , Subject: Re: cvs commit: src/sys/ia64/ia64 trap.c In-Reply-To: <20020413083146.GA53915@athlon.pn.xcllnt.net> Message-ID: <20020413152404.J26844-100000@salmon.nlsystems.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Sat, 13 Apr 2002, Marcel Moolenaar wrote: > On Fri, Apr 12, 2002 at 12:41:16AM -0700, Doug Rabson wrote: > > dfr 2002/04/12 00:41:16 PDT > > > > Modified files: > > sys/ia64/ia64 trap.c > > Log: > > Print extra information in printtrap() if the interrupted state was for > > an IA-32 process. Don't sign extend arguments in ia32_syscall - its not > > normally going to be useful (e.g. pointers need to be zero extended). > > Doug, > > Just to make sure we're on the same page. We rule out pointer swizzling, > because IA-32 processes run in region 0 only. Right? I don't think we absolutely have to rule out pointer swizzling at this point for ILP32 apps using native ia64 instruction set. For ia32 applications, the pointer conversion is stricly zero-extension, i.e. region 0 only. -- Doug Rabson Mail: dfr@nlsystems.com Phone: +44 20 8348 6160 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message