kern/91293: [svr4] [patch] *Experimental* Update to the SVR4 emulation (from NetBSD)

[pfgshield-freebsd at yahoo.com]

Hi;

--- Kris Kennaway <kris at obsecurity.org> ha scritto: 

...
> > 
> >  I have greatly reduced the size and scope of the patch by removing all 
> >  the code for 64bit emulation and things that don't apply to FreeBSD 
> >  (IRIX defines).
> 
> It still works, right? :^)
> 

What is left on the patch at this point are only bug fixes to panics and
overflows from the NetBSD port. This is not something I can test on amd64 and
rebuilding a kernel on qemu is painfully slow.

Unfortunately the svr4 emulation is incomplete wrt NetBSD; there is some rather
important code labelled "NOT_YET" that makes reference to UVM. I think the SVR4
emulation port still needs hacking from someone that knows well FreeBSD's inner
workings, but there is lot of work done already and it is no doubt a very
valuable effort in the light of OpenSolaris.

cheers,

    Pedro



	

	
		
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