Re: [patch/rfc] Add frame unwinder registrary

[Daniel Jacobowitz <drow at mvista dot com>]

On Thu, Jan 16, 2003 at 03:47:08PM -0500, Andrew Cagney wrote:
> [ref: cagney-unwind-20030108-branch]
> 
> This patch add the two files frame-unwind.[hc] that implement a simple 
> frame unwind registrary.
> 
> Given a function that contains the address PC, the method 
> frame_unwind_find_by_pc(ARCH,PC) returns methods that can unwind the 
> specified function's stack frame.
> 
> At present the code knows about two frames:
> 
> dummy-frame
> these are the frames that GDB creates when doing an inferior function call.
> 
> trad[itional]-frame
> GDB's traditional / original prologe analysis, extra frame info, frame 
> saved regs, frame.

That's the name you settled on?  Hmm, I like it.

> Architectures can add to this list.  On the above branch, the d10v adds 
> a rewritten d10v specific frame unwinder.  An obvious addition would be 
> a CFI frame unwinder.
> 
> I'll look to commit this in a few days.

Great.  After you do, I'll try to integrate the CFI unwinder with it
and then we can move forward on artificial debug info again.


-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer