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Message-ID: <3CDC14B2.4030407@cygnus.com>
Date: Fri, 10 May 2002 11:42:00 -0000
From: Andrew Cagney <ac131313@cygnus.com>
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To: Richard.Earnshaw@arm.com
Cc: gdb@sources.redhat.com
Subject: Re: ARM and virtual/raw registers
References: <200205101629.RAA06801@cam-mail2.cambridge.arm.com>
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> 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, ...

Andrew