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Re: libffi & powerpc
Patrick Olinet writes:
> Hi there,
>
> I'm running an embedded platform based on a powerpc 405EP CPU and a
> gcc 4.1.0 cross-toolchain. My initial problem was that gcj compiled
> binaries crash at runtime when interpreting java bytecode ("Illegal
> instruction" message).
>
> After many investigations, it looks like the problem comes from the
> libffi library : I've run the libffi testsuite on my embedded paltform
> and many of the tests show the same "Illegal instruction" message. For
> instance, the "cls_uint" test crashes at the following line (from the
> cls_uint.c file) :
>
> res = (*((cls_ret_uint)pcl))(2147483647);
>
> My knowledge about the powerpc architectures is very limited, but I've
> seen mailing lists threads talking about "EABI" that I don't quite
> understand but my intuition is that it could be related. For instance,
> could it be that my cross toolchain is not compiled with the right
> EABI (does this question make sense??) ?
>
> Any ideas or thoughts about this problem ?
Run it in gdb. When gdb stops with SIGILL, do
x/i $pc
Andrew.