This is the mail archive of the
dwarf2@corp.sgi.com
mailing list for the dwarf2 project.
Re: IA-64 issue H-1: Return address register number
- To: dwarf2 at baalbek dot engr dot sgi dot com
- Subject: Re: IA-64 issue H-1: Return address register number
- From: Michael Coulter <coulter at cup dot hp dot com>
- Date: Fri, 7 Apr 2000 10:13:35 -0700 (PDT)
- Reply-To: Michael Coulter <coulter at cup dot hp dot com>
> From jcownie@etnus.com Fri Apr 7 09:44:43 2000
Received: from onet2.cup.hp.com (onet2.cup.hp.com [15.75.208.47]) by adlmail.cup.hp.com with ESMTP (8.8.6 (PHNE_17135)/8.7.3 TIS 5.0.1) id JAA22830 for <coulter@adlmail.cup.hp.com>; Fri, 7 Apr 2000 09:44:43 -0700 (PDT)
Received: from jaguars.cableinet.net (jaguars-int.cableinet.net [193.38.113.9])
by onet2.cup.hp.com (Postfix) with SMTP id 73E569DE
for <coulter@cup.hp.com>; Fri, 7 Apr 2000 09:44:42 -0700 (PDT)
Received: (qmail 14257 invoked by uid 21); 7 Apr 2000 16:41:21 -0000
Received: from unknown (HELO jcownie.cableinet.co.uk) (213.48.100.192)
by jaguars with SMTP; 7 Apr 2000 16:41:21 -0000
Received: from pc2 by jcownie.cableinet.co.uk (8.9.3) id RAA02269; Fri, 7 Apr 2000 17:42:37 +0100
To: Michael Coulter <coulter@cup.hp.com>
Subject: Re: IA-64 issue H-1: Return address register number
In-reply-to: Your message of "Fri, 07 Apr 2000 09:37:55 PDT."
<200004071637.JAA25616@hpcll577.cup.hp.com>
Date: Fri, 07 Apr 2000 17:42:37 +0100
>From: James Cownie <jcownie@etnus.com>
Message-Id: <20000407164442.73E569DE@onet2.cup.hp.com>
Status: R
> > I'm not (yet) sufficiently familiar with IA64 to know whether register
> > 0 is a "reads and writes as zero register" in the normal RISC style or
>
> Yes.
Seems to me that there should be no difficulty in using 0 as the "RA"
rgister in the DWARF Frame information, then, since you'll certainly
never need to specify how to restore it !
-- Jim
James Cownie <jcownie@etnus.com>
Etnus, Inc. +44 117 9071438
http://www.etnus.com