Re: [patch] unwind support for gdb/ia64

[Michael Snyder <msnyder at redhat dot com>]

David Mosberger wrote:
> 
>   Michael> David Mosberger wrote:
>   >>  I'd like to submit the attached patch for inclusion in the gdb
>   >> source tree.  It adds support for determining the frame chain
>   >> based on unwind information (which is supplied by the libunwind
>   >> library).  The patch is relative to today's CVS tree (July 10th)
>   >> and should be safe for all platforms:
>   >>
>   >> - it adds only one new function to blockframe.c
>   >> (generic_dummy_frame_chain()) - it adds one new file
>   >> (unwind-common.h) - all other non-trivial changes are contained
>   >> in ia64-tdep.c; even for the ia64 case, the patch has no effect
>   >> _unless_ the libunwind header file and library are installed on
>   >> the build machine
>   >>
>   >> For the sake of completeness, I'd like to point out that
>   >> libunwind is built in a fashion that support gdb-style
>   >> multi-arch'ing, so there are no issues in building a cross-gdb or
>   >> a gdb that supports multiple targets that use libunwind (though
>   >> at the moment, there is only an ia64 version of libunwind;
>   >> hopefully that will change over time).
>   >>
>   >> Thanks,
>   >>
>   >> --david
> 
>   Michael> I don't see any replies to this patch.
> 
> Ditto here.
> 
>   Michael> Has it been resolved?
> 
> No, unfortunately.
> 
> I'd really like to see libunwind support in gcc, so I'd welcome any
> help in making this happen.

Well, I can't review the ia64 parts, but the rest of it is fine.