RFC/Patch more xmon additions

[will schmidt]

Linas Vepstas wrote:
> Hi Will,
> 
> I just unearthed this email from the deep mound ...
> 
> On Fri, Mar 04, 2005 at 08:18:39PM +1100, Paul Mackerras was heard to remark:
> 
>>will schmidt writes:
>>
>>
>>>Am looking for comments on this additional function i've added to xmon 
>>>on the side..
>>>
>>>the bulk of my intent was to make it easier for me to poke at memory 
>>>within a particular user process.
>>
>>The main problem I have with it is that we seem to be accessing a lot
>>of kernel data structures without checking any pointers or using
>>mread() to read the memory safely.  One of the goals of xmon is that
>>it should be as reliable as possible even if kernel data structures
>>are corrupted, and I think your patch would reduce that reliability.
> 
> 
> Please clean up per Paul's suggestions and resubmit; as a matter of principle, 
> its nice to have the debugger print parsed output instead of having to count 289 
> bytes into some struct task or such to manually decode a bitflag ... 
> 
> --linas

YeAh, it's still on the ToDO list.