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From: Vladimir Prus <ghost@cs.msu.su>
To: Michael Snyder <msnyder@specifix.com>
Subject: Re: GDB commands
Date: Mon, 26 Nov 2007 19:21:00 -0000
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On Monday 26 November 2007 21:52:34 Michael Snyder wrote:
> On Fri, 2007-11-23 at 14:05 +0300, Vladimir Prus wrote:
> > Guillaume MENANT wrote:
> > 
> > > 
> > > Can't we know which command is mandatory ? I'm assuming that m, M, c, s,
> > > g, and G are mandatory but i'm not sure.
> > 
> > I doubt a complete list is available. Off the top of my head, you need
> > vCont (and don't need c and s). 
> 
> I don't see how that is true -- you can still control a target
> using c and s rather than using vCont...

If the target is multi-threaded, vCont is much better idea. And given
that implementing vCont is about as much work as c/s/Hc, it's probably
better to just implement vCont even for single-threaded target.

> > You also need zN/ZN -- without breakpoints,
> > debugging is of no interest.
> 
> Neither is this true -- breakpoints can be set the old fashioned
> way using memory read/write and trap instructions.

Yes, you're right.

- Volodya