GDB doesn't display thread_id while debugging a core file

[Daniel Jacobowitz]

On Wed, Aug 08, 2007 at 12:12:56PM -0700, Michael Snyder wrote:
> Daniel, I think it's even simpler than that.
> 
> libthread_db works via callbacks to gdb that do nothing more
> complicated than read memory.  GDB can read memory from the corefile.

Yes, but our current linux thread-db support is hardwired to sit on
top of a live target :-)  It's fixable.

> And if there is a version string somewhere in the library's read/write
> memory sections, it should also exist in the corefile.

Unfortunately I suspect it is in the read-only sections.  Maybe the
--build-id stuff Roland has been working on will suffice to prevent
mismatches though.

Someone want to give it a try? :-)

-- 
Daniel Jacobowitz
CodeSourcery