[Gambas-user] Signal 11, when calling external function

[Jussi Lahtinen]

Hope this helps...

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7535f5e in ffi_call_unix64 () from /usr/lib/libffi.so.5
(gdb) bt
#0  0x00007ffff7535f5e in ffi_call_unix64 () from /usr/lib/libffi.so.5
#1  0xff007ffff7535c84 in ?? ()
#2  0xffffffffffffffff in ?? ()
#3  0xffffffffffffffff in ?? ()
#4  0xffffffffffffffff in ?? ()
#5  0xffffffffffffffff in ?? ()
#6  0xffffffffffffffff in ?? ()
#7  0xffffffffffffffff in ?? ()
#8  0xffffffffffffffff in ?? ()
#9  0xffffffffffffffff in ?? ()
#10 0xffffffffffffffff in ?? ()
...

Jussi


On Thu, Jun 10, 2010 at 18:33, Jussi Lahtinen <jussi.lahtinen at ...626...> wrote:
> I changed code to (makes very much more sense to me):
> void Aja_Mtrx(int k0[][31], int k1[][31], int k2[][31])
>
> But it still doesn't work with Gambas3.
> With Gambas2 everything is OK.
>
> Jussi
>
>
> On Thu, Jun 10, 2010 at 18:18, Jussi Lahtinen <jussi.lahtinen at ...626...> wrote:
>> Function declaration is from example code I found, I don't understand
>> logic of that notation.
>> BUT it works with Gambas2, and it worked fine with earlier revision of Gambas3.
>> I'm not saying that it makes it correct way pass 2d arrays, but makes
>> me puzzled...
>>
>> Jussi
>>
>>
>> 2010/6/10 Benoît Minisini <gambas at ...1...>:
>>>> Hi!
>>>> I have use external function for certain tasks successfully, but I run
>>>> into problems with recent revision of Gambas.
>>>>
>>>> In Gambas:
>>>> Public Extern Aja_Mtrx(pk0 As Pointer, pk1 As Pointer, pk2 As Pointer)
>>>> In "libMlpp"
>>>>
>>>> Public k0 As New Integer[31, 31]
>>>> Public k1 As New Integer[31, 31]
>>>> Public k2 As New Integer[31, 31]
>>>>
>>>> Aja_Mtrx(k0.Data, k1.Data, k2.Data)
>>>>
>>>> In C:
>>>> void Aja_Mtrx(int (*k0)[31], int (*k1)[31], int (*k2)[31])
>>>>
>>>>
>>>> Gambas3 revision 2995  Ubuntu 10.04 64bit
>>>>
>>>> Jussi
>>>>
>>>
>>> I'm not sure that the extern declaration matches: An Integer[31, 31] in Gambas
>>> is a int [31 * 31] in C, not a int (*)[31].
>>>
>>> Regards,
>>>
>>> --
>>> Benoît Minisini
>>>
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>>
>