interesting unwind problem with noreturn functions

[Daniel Jacobowitz]

On Thu, Mar 02, 2006 at 11:13:27PM +0800, Randolph Chung wrote:
> So when you unwind from error(), the hppa frame unwinder tries to unwind 
> from rp=b848c, which is in a different function from the actual caller, 
> and the unwinder gets all confused....
> 
> I suppose this is not a hppa specific thing, other architectures might 
> also encounter the same problem. How is it fixed there? Should the 
> unwinder be storing the PC as RP-offset? (This seems rather ugly, if not 
> wrong.)

Please take a look at frame_unwind_address_in_block.

-- 
Daniel Jacobowitz
CodeSourcery