[fpc-pascal] FPC compiled program stops with SIGILL on newer hardware (Pentium M 800 MHz)
dirk at verwiebe.de
Fri Mar 9 09:50:27 CET 2007
exception handling was the problem.I have removed the dpmiexcp unit and
now it works again.
Thank you very much !!!!
Florian Klaempfl schrieb:
> Dirk Verwiebe schrieb:
>> Thank you very much for your quick reply.
>> Maybe you are right,but i have forgotten to write my program works
>> without the cpu unit, and the cpu unit works without my program.
>> It is a curios situation.
> Do you "mess" with exception/signal/interrupt handling? The cpu unit has
> to test SSE support of the OS by executing an sse instruction, if the OS
> doesn't support SSE one gets indeed a SIG_ILL but it should be catched
> by the cpu unit.
>> Daniël Mantione schrieb:
>>> Op Fri, 9 Mar 2007, schreef Dirk Verwiebe:
>>>> my program, written ca 5 years ago which worked all the time on several
>>>> hardware plattforms(486,AMD 64 ,Celeron 433)
>>>> crashs with a SIGILL error on my new Pentium M Board.
>>>> The program was compiled with debug information and so i can see it
>>>> stops if it in function getcpuinfo and cpu_init
>>>> in the cpu unit from Thomas Schatzl.
>>>> But when i write a small test program which uses the same functions of
>>>> the unit,too it works without problems.
>>>> How can i found out where the problems comes from and how can i solve it ?
>>>> Thanks in advance.
>>> It sounds like some kind of cpu instruction is no longer supported on the
>>> Pentium M. You need to find out what instruction it is. Execute it in gdb
>>> and check on which instruction it stops.
>>> fpc-pascal maillist - fpc-pascal at lists.freepascal.org
>> fpc-pascal maillist - fpc-pascal at lists.freepascal.org
> fpc-pascal maillist - fpc-pascal at lists.freepascal.org
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