6950617: Zero/Shark interface updates
Summary: Zero needs a couple of new methods to allow Shark to access the new frame anchor field.
Reviewed-by: twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
6950178: Zero stack improvements
Summary: Moves the logic for determining the size of the Zero stack into the ZeroStack class.
Reviewed-by: twisti
Contributed-by: Gary Benson <gbenson@redhat.com>