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Re: [PATCH] i386/x86-64: adjust unwind information register encodings
- From: "H. J. Lu" <hjl at lucon dot org>
- To: Jan Beulich <JBeulich at novell dot com>
- Cc: binutils at sources dot redhat dot com
- Date: Fri, 6 May 2005 08:33:26 -0700
- Subject: Re: [PATCH] i386/x86-64: adjust unwind information register encodings
- References: <s27b95cc.095@emea1-mh.id2.novell.com>
On Fri, May 06, 2005 at 05:05:48PM +0200, Jan Beulich wrote:
> >>> "H. J. Lu" <hjl@lucon.org> 06.05.05 16:00:38 >>>
> >On Fri, May 06, 2005 at 02:01:21PM +0200, Jan Beulich wrote:
> >> The register numbers used in x86-64's .eh_frame entries neither matched the
> >> ABI nor the gcc implementation. Additionally, a significant amount of
> >> registers were missing in both 32- and 64-bit modes (even now there are, but
> >> only those for which there don't appear to be register numbers assigned in
> >> the respective ABI).
> >>
> >
> >Have we been generating wrong unwind info up to now?
>
> Yes, it looks like that.
How has it ever worked with glibc and gdb?
H.J.