From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cagney <ac131313@cygnus.com>
To: Daniel Berlin <dan@www.cgsoftware.com>
Cc: gdb@sources.redhat.com
Subject: Re: Integrating DWARF2 CFA info
Date: Thu, 10 May 2001 10:04:00 -0000
Message-id: <3AFAC8BB.7040306@cygnus.com>
References: <Pine.LNX.4.33.0105101151430.9863-100000@www.cgsoftware.com>
X-SW-Source: 2001-05/msg00226.html

> Well, actually, IMHO, it is.
> The CFA info gives us the location of all saved registers for the entire
> procedure.
> It's always correct, even in the presence of optimization.
> Given the pc for the frame, it can tell you exactly where all the saved
> registers are, at that particular point in time.
> Therefore, it is strictly better to use the CFA info, than scan the
> instructions.
> 
> So I see a strict hiearchy of what to use:
> Dwarf2 CFA Info
> <whatever else>

This assumes that dwarf2 info is more correct than some other sort of info.

	Andrew