[Crash-utility] [PATCH] Use backtrace() instead of __builtin_return_address()

[Bernhard Walle]

* Dave Anderson [2008-05-14 10:11]:
> Bernhard Walle wrote:
> > 
> > * Dave Anderson [2008-05-14 08:56]:
> >> Thanks for digging into this.  I agree with you on all counts.
> >>
> >> One final question: does the remaining call to __builtin_return_address(0)
> >> in tools.c:getbuf() fail in your configuration as well?
> > 
> > Yes. __builtin_return_address(0) works in all configurations and is
> > also guaranteed to work with gcc. Only __builtin_return_address(n) with
> > n > 0 makes problems when the frame pointer is omitted (which is the
> > default with -O2).
> > 
> 
> I'm confused -- you say it fails in your configuration, but then say that
> passing an argument of 0 (like getbuf() does) works in all configurations.

Sorry, the 'yes' was wrong. I meant 'no'. :)


	Bernhard