Re: address space support

[Michael Snyder <msnyder@specifix.com>]

On Sun, 2008-04-20 at 10:32 -0400, Daniel Jacobowitz wrote:
> On Sat, Apr 19, 2008 at 09:38:26AM -0700, Doug Evans wrote:
> > But that's a ton of work, and not necessarily a maintainable way to go  
> > (the common case is addresses are just ints).  Hacking CORE_ADDR by  
> > putting the address space in the upper bits doesn't necessarily work 
> > either.
> 
> May not necessarily work but that's the state of the art.  All the
> targets with address spaces in GDB today have relatively small
> addressable areas so there are some bits to use.  And we use the same
> convention for CORE_ADDR that GNU binutils uses in the ELF symbol
> table, generally.
> 
> Also see "@code" and "@data", though there's nothing in the manual
> about them... TYPE_FLAG_CODE_SPACE and TYPE_FLAG_DATA_SPACE.

Erm, yeah -- those were something I did in 2001, when I was
at Red Hat.  See ChangeLog-2001.

I'd vaguely hoped that the work might be extensible to 
include general address spaces...

Sorry about the missing docs -- Eli, why didn't you 
catch me on that one?   ;-)