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Date:      Thu, 7 Aug 1997 19:47:55 -0400
From:      Randall Hopper <rhh@ct.picker.com>
To:        "Pedro Giffuni S," <pgiffuni@fps.biblos.unal.edu.co>
Cc:        emulation@freebsd.org
Subject:   Re: Fun with DOSCMD (was Re: modifying boot mgrs FROM FREEBSD)
Message-ID:  <19970807194755.37948@ct.picker.com>
In-Reply-To: <33EA058A.42B9@fps.biblos.unal.edu.co>; from Pedro Giffuni S, on Thu, Aug 07, 1997 at 10:28:31AM -0700
References:  <19970806075054.63235@ct.picker.com> <199708061320.WAA08867@genesis.atrad.adelaide.edu.au> <19970806220031.07191@ct.picker.com> <33EA058A.42B9@fps.biblos.unal.edu.co>

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Pedro Giffuni S,:
 |Randall Hopper wrote:
 |> 
 |> I also need to figure out how to run doscmd in gdb.  I rebuild libkvm and
 |> gdb for the new kernel, so that's done.  But I'm not sure how to "hook in"
 |> and set breakpoints inside doscmd.kernel after its read and control is
 |> transfered to it by doscmd.  I played with the .gdbinit in the pkg but no
 |> luck.
 |> 
 |I think this is not really necessary: doscmd has a debugging option that
 |generates more information for developers, but usually the on-line
 |messages are sufficient to know what is missing.

Ok.  Mostly I just wanted to step through some of it to help get a faster
line on how the internals work.  I figured it'd be a easier than picking
through the source and printfs.

Is there a rough architecture overview or some notes/scribbles lying around
anywhere on-line that might give someone a head start with this?

Thanks,

Randall




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