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