shared library support hookin the remote.c

Kevin Buettner
Tue Jun 29 01:55:00 GMT 2004

On Mon, 28 Jun 2004 14:41:24 -0700
"Stephen P. Smith" <> wrote:

> Kevin Buettner wrote:
> >I think we need more detail.  Which functions in remote.c would
> >be affected?   What would the interface look like and how would
> >it be used?
> It would affetc remote_async_wait() and remote_wait().  From the last 
> time, I know that we don't want to
> add extraneous functionality to the remote protocol unless the target 
> requires it.  This method would abstact
> that out. 

How does the remote target communicate the necessary details to GDB

It sounds to me as though you want to add the hook so that you can add
a private protocol extension.

IMO, it's better to hash out the details of a public remote protocol
extension for shared library support.

> What I haven't figured out is the preferred means of intializing such a 
> variable across the two subsystems.
> There would be a statement something like this:
>    if ( remote_protocol_solib_hook_funcion )
>        (*remote_protocol_solib_hook_funcion) ();
> Does something like this seem reasonable?
> >Also, please note that I am not the maintainer of remote.c...
> True  - but the use of this pointer would be in the solib area.  Since 
> the target is always queried, this is the way the solib
> subsystem would know when it is safe to ask about shared library values 
> that it needs from a particular target.

This may indeed be a reasonable way to approach things, but I'd like
to first understand how communication of shared library information
between GDB and the stub is accomplished and what the protocol looks


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