function arguments offset computation with -fomit-frame-pointer

Andrew Pinski pinskia@physics.uc.edu
Wed Jul 9 13:12:00 GMT 2003


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



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