From: Daniel Jacobowitz <drow@false.org>
To: Richard Henderson <rth@redhat.com>
Cc: Christophe LYON <christophe.lyon@st.com>, gdb@sources.redhat.com
Subject: Re: dwarf2 frame unwinder assumptions on SP
Date: Mon, 11 Jul 2005 17:06:00 -0000 [thread overview]
Message-ID: <20050711170637.GA1734@nevyn.them.org> (raw)
In-Reply-To: <20050711170236.GA27909@redhat.com>
On Mon, Jul 11, 2005 at 10:02:36AM -0700, Richard Henderson wrote:
> On Mon, Jul 11, 2005 at 12:03:34PM -0400, Daniel Jacobowitz wrote:
> > I have the nagging feeling this has come up before, but I can't
> > remember the conclusion.
>
> That dwarf2 doesn't have the proper codes to represent anything
> other than entry-sp-equals-cfa and entry-sp-stored-on-stack.
That's right, but I meant the change to GDB's internal representation
specifically.
BTW, the latest dwarf3 draft does include appropriate unwinding rules
for register = cfa + value, along with a couple of other useful ones.
That draft isn't publicly available yet, but see here:
http://dwarf.freestandards.org/ShowIssue.php?issue=030812.2&type=closed
--
Daniel Jacobowitz
CodeSourcery, LLC
next prev parent reply other threads:[~2005-07-11 17:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-11 14:44 Christophe LYON
2005-07-11 14:51 ` Daniel Jacobowitz
2005-07-11 15:33 ` Christophe LYON
2005-07-11 15:47 ` Daniel Jacobowitz
2005-07-11 15:58 ` Christophe LYON
2005-07-11 16:03 ` Daniel Jacobowitz
2005-07-11 17:02 ` Richard Henderson
2005-07-11 17:06 ` Daniel Jacobowitz [this message]
2005-07-11 19:47 ` Mark Kettenis
2005-07-12 14:05 ` Christophe LYON
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20050711170637.GA1734@nevyn.them.org \
--to=drow@false.org \
--cc=christophe.lyon@st.com \
--cc=gdb@sources.redhat.com \
--cc=rth@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).