Re: unwind support for Linux 2.6 vsyscall DSO

[Andrew Cagney <ac131313 at redhat dot com>]

> So I can see either an iterator, or an update to to_query being added to 
> > the target vector.  Given that the iterator is a given, that might be 
> > the safest starting point - let the target maintainer go through and 
> > clean up to_query.
>
>
> While I won't argue about an iterator being useful, I think that the
> target vector code would be clearer if we just had the raw buffer. 
> Layer the iterator on top of it, instead of re-implementing the
> iterator in every target.

Each target won't implement the iterator.  Rather it will call on a 
generic unpack method, and have that it do it.

Andrew