Date: Sat, 13 Apr 2002 15:25:34 +0100 (BST) From: Doug Rabson <dfr@nlsystems.com> To: Marcel Moolenaar <marcel@xcllnt.net> Cc: Doug Rabson <dfr@FreeBSD.org>, <cvs-committers@FreeBSD.org>, <cvs-all@FreeBSD.org> Subject: Re: cvs commit: src/sys/ia64/ia64 trap.c Message-ID: <20020413152404.J26844-100000@salmon.nlsystems.com> In-Reply-To: <20020413083146.GA53915@athlon.pn.xcllnt.net>
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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
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