Re: Abort backtrace when consecutive zero PCs?

Daniel Jacobowitz
2004-09-15T22:13:32Z

On Wed, Sep 15, 2004 at 01:34:21PM -0400, Andrew Cagney wrote:
> Hello,
>
> One backtrace infinite loop case I've noticed (especially on ia64) is
> where successive frames all have a zero PC.
>
> While we definitly need to allow a backtrace through a single zero PC
> (for a NULL pointer call - signull.exp) should we make GDB abort when
> two or more consecutive frames have a zero PC?
>
> (mumble something about a runtime option)
>
> thoughts?

I still think that you want to reject zero PC followed by a normal
(non-signal/dummy) frame, for exactly this reason...

--
Daniel Jacobowitz