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Re: ARM and virtual/raw registers
- From: Richard Earnshaw <rearnsha at arm dot com>
- To: Andrew Cagney <ac131313 at cygnus dot com>
- Cc: Richard dot Earnshaw at arm dot com, gdb at sources dot redhat dot com
- Date: Sat, 11 May 2002 14:16:26 +0100
- Subject: Re: ARM and virtual/raw registers
- Organization: ARM Ltd.
- Reply-to: Richard dot Earnshaw at arm dot com
> > If, as I understand your previous postings to imply, having pseudo
> > registers stored in the cache is wrong, why does regcache_read() allow
> > them?
> >
> > regcache_read (int rawnum, char *buf)
> > {
> > gdb_assert (rawnum >= 0 && rawnum < (NUM_REGS + NUM_PSEUDO_REGS));
>
> Lets just pretend you didn't see that :-)
> Some existing mechanisms store pseudo-register values in the cache. In
> addition ``NUM_REGS'' is overloaded - it controls too many aspects of
> GDB - num regs in G packet, num regs to save across an inferior function
> call, ...
So how about a comment saying pseudo regs shouldn't be in the cache!
R.