[patch/rfc] dummy frames using regcache

[Andrew Cagney]

> Hello,
> 
> Attached is the next in the regcache series.  This converts dummy frames to the regcache.  Tested on the i386.
> 
> Note the fixme though:
> 
> +      /* FIXME: cagney/2002-06-26: This should be via the
> +         gdbarch_register_read() method so that it, on the fly,
> +         constructs either a raw or pseudo register from the raw
> +         register cache.  */
> +      regcache_read (registers, regnum, bufferp);

FYI,

> 2002-06-26  Andrew Cagney  <ac131313@redhat.com>
> 
> 	* blockframe.c (generic_find_dummy_frame): Change return type to
> 	``struct regcache''.
> 	(struct dummy_frame): Replace field ``registers'' with regcache, a
> 	struct regcache object.
> 	(generic_find_dummy_frame): Update.
> 	(generic_push_dummy_frame): Update.  Use regcache_xfree,
> 	regcache_xmalloc and regcache_cpy.
> 	(generic_pop_dummy_frame): Update.  Use regcache_cpy and
> 	regcache_xfree.
> 	(deprecated_generic_find_dummy_frame): Update.
> 	(generic_read_register_dummy): Update.  Use
> 	regcache_read_as_address.
> 	(generic_call_dummy_register_unwind): Update.  Use regcache_read.
> 

I've now checked this in (.....holds breath ...).

Andrew