Kamal R. Prasad wrote:
> hello,
> 
>  Im doing a stack analysis on AIX/IBM p615 and I find
> that there are quite a few intermediate stack frames
> that contain a pc pointing to the data segment (using
> AIX terminology).
>  Im aware that this is a netbsd forum -but the
> convention adopted is OS independent (kind of) and hw
> specific.
> gdb has some provision to unwind the stack. Can
> someone explain how one goes about detecting dummy
> frames and why they exist?

Usually, they are for when lazy binding is done.  These
go through the PLT which can cause dummy frames to appear
on the stack.

-- 
Matt Thomas                     email: matt@3am-software.com
3am Software Foundry              www: http://3am-software.com/bio/matt/
Cupertino, CA              disclaimer: I avow all knowledge of this message.