Date: Wed, 17 Sep 2008 08:35:57 -0700 From: Julian Elischer <julian@elischer.org> To: "Andrew N. Below" <defan@zenon.net> Cc: freebsd-hackers@freebsd.org Subject: Re: amd64, COMPAT_IA32 & syscall diverts Message-ID: <48D123DD.2030701@elischer.org> In-Reply-To: <046601c918cc$786cc8c0$970da8c0@jam.zenon.net> References: <046601c918cc$786cc8c0$970da8c0@jam.zenon.net>
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Andrew N. Below wrote: > Hi all. > > We have loadable kernel module with > several syscall intercepting functions > (e.g., sysent[SYS___sysctl].sy_call). > Earlier, this module was built and used > on i386 platform, now we have to run it > on amd64. For some reasons we have to > enable COMPAT_IA32 option in kernel. > > Our syscall wrapper sucessfully receiving > syscalls from amd64 binaries, but we have > nothing from old i386 binaries. > > Seems like these calls are made bypassing > our kernel module. x86 binaries use a separate syscall table, so you need to patch both tables. > > Is there any way to handle them? > > OS is freebsd 6.3-stable. > > Thanks, > -- > Andrew > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
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