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Date:      Mon, 11 Jan 1999 19:57:13 +0000 (GMT)
From:      Terry Lambert <tlambert@primenet.com>
To:        gallatin@cs.duke.edu (Andrew Gallatin)
Cc:        mjacob@feral.com, freebsd-alpha@FreeBSD.ORG
Subject:   Re: printing vm_offset_t's
Message-ID:  <199901111957.MAA25498@usr05.primenet.com>
In-Reply-To: <13977.11657.998775.230402@grasshopper.cs.duke.edu> from "Andrew Gallatin" at Jan 10, 99 05:46:55 pm

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Two comments on this thread:

>  > > Matthew Jacob writes:
>  > >  > 
>  > >  > Hmm. How about %p?
>  > > 
>  > > That's another option, but unless you cast the arg to a pointer (like
>  > > void *), you get
>  > > 
>  > > 	 warning: format argument is not a pointer (arg 4)

%qx is the accepted draft standard methid of printing quad values.
You will need to cast , in any case, if vm_offset_t is not considered
a pointer type by the debugger, or it will not push sufficient information
onto the stack.


>  > Maybe this is why Eduardo Horvath went through all the NetBSD kernel
>  > source and deepsixed vm_offset_t.
> 
> Ick. That seems rather extreeme.  I can't imagine all the external code
> that broke when vm_offset_t disappeared...

External code that depends on kernel structures is inherently broken;
think of this as an opportunity to correct the external code.


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.

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