Date: 24 Apr 2002 12:31:08 -0300 From: Brandon S Allbery KF8NH <allbery@ece.cmu.edu> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: Kenneth Culver <culverk@alpha.yumyumyum.org>, freebsd-hackers@FreeBSD.ORG, FreeBSD-CURRENT List <freebsd-current@FreeBSD.ORG> Subject: Re: implementing linux mmap2 syscall Message-ID: <1019662269.6094.1.camel@pyanfar.ece.cmu.edu> In-Reply-To: <15558.46600.351433.784766@grasshopper.cs.duke.edu> References: <15557.27747.802212.659760@grasshopper.cs.duke.edu> <20020423181748.W31638-100000@alpha.yumyumyum.org> <15558.46600.351433.784766@grasshopper.cs.duke.edu>
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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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