Re: [patch] unwind support for gdb/ia64

[David Mosberger <davidm@napali.hpl.hp.com>]

  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.

	--david