From: Andrew Cagney <ac131313@cygnus.com>
To: Daniel Berlin <dan@dberlin.org>
Cc: gdb@sources.redhat.com
Subject: Re: think-o: dwarf2 CFA != frame->frame (x86-64)
Date: Tue, 09 Apr 2002 09:12:00 -0000 [thread overview]
Message-ID: <3CB312EB.2030403@cygnus.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0204090240320.10713-100000@dberlin.org>
>
> It might just be misnamed.
No. DW_OP_fbreg refers explicitly to DW_AT_frame_base. CFA is a
concept local to the CFI. They would typically evaluate to the same
value though.
> I've converted rs6000 to use the dwarf2 cfa info (It's a little hairier,
> since on x86-64, you *always* have the info, it's part of the ABI), and it
> works just fine, even on optimized code. This is with the fallback to
> normal methods in case the info isn't in the executable, disabled, so i'd
> get errors if it wasn't using *only* the dwarf2 info.
>
>
See:
http://sources.redhat.com/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gdb&pr=466
Andrew
next prev parent reply other threads:[~2002-04-09 16:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-08 22:45 Andrew Cagney
2002-04-08 23:43 ` Daniel Berlin
2002-04-09 9:12 ` Andrew Cagney [this message]
2002-04-09 10:03 ` Daniel Berlin
2002-04-09 10:32 ` Andrew Cagney
2002-04-09 10:58 ` Daniel Berlin
2002-04-09 12:17 ` Andrew Cagney
2002-04-09 12:42 ` Daniel Berlin
2002-04-09 10:58 ` Andrew Cagney
2002-04-09 11:00 ` Daniel Berlin
2002-04-09 11:52 ` Andrew Cagney
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