Sender:	nate AT cartsys DOT com
Message-ID:	<36FAB64A.1B04FA36@cartsys.com>
Date:	Thu, 25 Mar 1999 14:18:50 -0800
From:	Nate Eldredge <nate AT cartsys DOT com>
X-Mailer:	Mozilla 4.08 [en] (X11; I; Linux 2.2.3 i586)
MIME-Version:	1.0
To:	djgpp-workers AT delorie DOT com
Subject:	Re: Patch: Child memory access in dbgcom checks page attributes
References:	<199903241806 DOT TAA10783 AT father DOT ludd DOT luth DOT se>
Reply-To:	djgpp-workers AT delorie DOT com

Martin Str|mberg wrote:
> 
> I said:
> > The change I object to is this:
> 
> I object to my wording, which wasn't chosen properly.
> 
> I meant to say "The change I'm concerned with is this:".
> 
> To further alleviate my troubled mind, I seem to have missread the
> patch, which seems to be correct mathematically. However I'm still a
> little concerned with the real world behaviuor.
>
> Nate, what does "p *-1" at the gdb prompt give you when running a
> program in gdb with your patches?

(gdb) p *-1
Cannot access memory at address 0xffffffff.

I didn't actually remove any of the tests, I just reversed the sense of
each so as to be able to separate them from each other.  (DeMorgan's
law, is it?)

Note also that `a' is unsigned, so 0xffffffff is greater than the limit.
-- 

Nate Eldredge
nate AT cartsys DOT com

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