function arguments offset computation with -fomit-frame-pointer

[Richard Earnshaw]

> 
> On Wednesday, Jul 9, 2003, at 08:26 US/Eastern, Hans-Peter Nilsson 
> wrote:
> 
> > On Wed, 9 Jul 2003, Bernardo Innocenti wrote:
> >>  However, there must be still a bug somewhere because a Linux kernel
> >> compiled with -fomit-frame-pointer crashes with bus errors in a place
> >> I cannot reach with the debugger.
> >
> > Please arrange to run the GCC test-suite instead.  It's usually
> > simpler than debugging crashed kernels.
> 
> I think the crash is because Linux depends on __builtin_frame_pointer 
> which gives
> the wrong value if you use -fomit-frame-pointer; there is already a bug 
> filed
> against gcc for that.
> 
> Thanks,
> Andrew Pinski
> 

I think you must mean __builtin_frame_address().  There is no 
__builtin_frame_pointer() function.

R.