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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
Message-ID:  <20020424161545.O38664-100000@alpha.yumyumyum.org>
In-Reply-To: <1019662269.6094.1.camel@pyanfar.ece.cmu.edu>

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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]
>
>
>


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