Re: 8 bit read

[Kevin Buettner <kevinb@cygnus.com>]

On Jul 24,  9:07pm, Eli Zaretskii wrote:

> > Date: Tue, 24 Jul 2001 09:25:31 -0700
> > From: Kevin Buettner <kevinb@cygnus.com>
> > > 
> > > I was thinking about using memory attributes to allow GDB access to
> > > segments outside the normal address space of the program being
> > > debugged.  This would need some additions to the memory attributes,
> > > but the real show-stopper is that there's no way to define regions and
> > > attributes except interactively.
> > 
> > Why is this a show stopper?
> 
> Because the implementation I had in mind was of a special interactive
> command that would accept a selector for a memory region, define a
> region, and stick the selector as a special attribute there.  The
> target-specific memory-transfer function will then see that attribute
> when GDB calls the to_xfer_memory method, and use special functions to
> access that memory.
> 
> But the current API in memattr.c doesn't allow GDB applications code
> to create memory regions except via the "mem" commands.

Can you explain in more detail?  I don't understand what you're trying
to do...

Kevin