[patch/rfc] Rewrite regcache.[hc], add ``struct regcache'' object

[Richard Earnshaw]

ac131313@cygnus.com said:
> This patch:
> - Introduces the ``struct regcache'' object. 
> ...
>  Baring comments, I'll check it in in a few days. 
>   After that I'll start feeding in the other changes.

Any timetable to commit those other changes?  I desperately need the bits 
that fix the  dummy_frame frobbing of the regbuf to be installed so that I 
can finish off my ARM patches.

R.