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Date:      Thu, 15 Apr 2010 09:13:50 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        pluknet <pluknet@gmail.com>
Cc:        freebsd-current@freebsd.org, Nathan Whitehorn <nwhitehorn@freebsd.org>
Subject:   Re: HEADS UP: COMPAT_IA32 renamed COMPAT_FREEBSD32
Message-ID:  <201004150913.50097.jhb@freebsd.org>
In-Reply-To: <i2ka31046fc1004150306l619e5b2btc158df99f06627f3@mail.gmail.com>
References:  <20100312171758.GB31089@dragon.NUXI.org> <201004071549.41672.jhb@freebsd.org> <i2ka31046fc1004150306l619e5b2btc158df99f06627f3@mail.gmail.com>

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On Thursday 15 April 2010 6:06:24 am pluknet wrote:
> On 7 April 2010 23:49, John Baldwin <jhb@freebsd.org> wrote:
> > On Tuesday 06 April 2010 11:24:21 am Nathan Whitehorn wrote:
> >> pluknet wrote:
> >> > Hi,
> >> >
> >> > the interesting part for me is how to properly assert now a value of 
e.g.
> >> > KINFO_PROC_SIZE varying on err.. different COMPAT_FREEBSD32 arches
> >> > (say, FreeBSD would have _kern_proc FreeBSD32 compat layer for 
top/ps/).
> >> >
> >> >
> >> Probably the cleanest thing would be to set KINFO_PROC_SIZE in
> >> machine/proc.h instead of where it is now, and then also define a
> >> KINFO_PROC32_SIZE or something in the same place. Also, that would be a
> >> really nice feature.
> >
> > Yes, I think this sounds like the best approach.
> >
> 
> Something quick & not clean (well, it passes universe) attached.
> So, don't shoot me, please ;-).
> It's unclear how to convert those mips o32/n32/o64/n64 though.
> I had to make definitions out of _KERNEL visibility as far as
> <sys/proc.h> is included from <sys/user.h> in !_KERNEL only too.

Just one suggestion: don't make KINFO_PROC32 #define depenedent on 
COMPAT_FREEBSD32.  It should just be always defined.  I think that is the 
approach Nathan used for the 32-bit ELF machine type.

-- 
John Baldwin



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