From owner-freebsd-hackers  Wed Apr 24 13:18:48 2002
Delivered-To: freebsd-hackers@freebsd.org
Received: from mailhub.yumyumyum.org (dsl092-171-091.wdc1.dsl.speakeasy.net [66.92.171.91])
	by hub.freebsd.org (Postfix) with SMTP id D58F437B417
	for <freebsd-hackers@FreeBSD.ORG>; Wed, 24 Apr 2002 13:18:42 -0700 (PDT)
Received: (qmail 38674 invoked from network); 24 Apr 2002 20:16:02 -0000
Received: from dsl092-171-091.wdc1.dsl.speakeasy.net (66.92.171.91)
  by dsl092-171-091.wdc1.dsl.speakeasy.net with SMTP; 24 Apr 2002 20:16:02 -0000
Date: Wed, 24 Apr 2002 16:16:02 -0400 (EDT)
From: Kenneth Culver <culverk@alpha.yumyumyum.org>
To: Brandon S Allbery KF8NH <allbery@ece.cmu.edu>
Cc: Andrew Gallatin <gallatin@cs.duke.edu>,
	<freebsd-hackers@FreeBSD.ORG>,
	FreeBSD-CURRENT List <freebsd-current@FreeBSD.ORG>
Subject: Re: implementing linux mmap2 syscall
In-Reply-To: <1019662269.6094.1.camel@pyanfar.ece.cmu.edu>
Message-ID: <20020424161545.O38664-100000@alpha.yumyumyum.org>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-hackers.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-hackers>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-hackers>
X-Loop: FreeBSD.ORG

I tried printing out everything in the trapframe in hex and nothing looke
remotely right.

Ken

On 24 Apr 2002, Brandon S Allbery KF8NH wrote:

> On Wed, 2002-04-24 at 10:41, Andrew Gallatin wrote:
> > Maybe the argument isn't where you expect it to be, but is there.
> > Can you make a test program which calls mmap2 with its 6th arg as
> > something unique like 0xdeadbeef?  Then print out (in hex :) the trapframe
> > from the linux prepsyscall routine & see if you can find the deadbeef.
>
> My recollection is that beyond 5 arguments, a pointer to the remaining
> ones is passed.  (But my recollection may be wrong and I don't wish to
> subject myself to the source cesspool at the moment....)
>
> --
> brandon s. allbery   [os/2][linux][solaris][japh]  allbery@kf8nh.apk.net
> system administrator      [WAY too many hats]        allbery@ece.cmu.edu
> electrical and computer engineering                                KF8NH
> carnegie mellon university  ["better check the oblivious first" -ke6sls]
>
>
>


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message