From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cagney <ac131313@cygnus.com>
To: Mark Kettenis <kettenis@wins.uva.nl>
Cc: gdb@sources.redhat.com, eliz@delorie.com
Subject: Re: Register cache
Date: Tue, 13 Feb 2001 13:38:00 -0000
Message-id: <3A89991B.805A4A44@cygnus.com>
References: <200102102237.f1AMbnJ00230@delius.kettenis.local>
X-SW-Source: 2001-02/msg00143.html

> Is this really a good idea?  I think it is, at least on targets where
> getting at the registers is relatively expensive since it involves a
> system call.  Therefore I propose to make this "official" and change
> the comment on target_fetch_registers() to:
> 
>    /* Fetch at least register REGNO, or all regs if REGNO == -1.  */

This behavour is pretty much engrained in GDB so yes, the documentation
should be changed to reflect this.

> Another question is whether we should make this behaviour (I mean
> having target_fetch_registers() supply all registers it managed to get
> in one go) recommended practice.

I'd agree with Nick and not go that far.  Keep the contract between
GDB's core and the target simple.

	Andrew