That doesn't seem to be the problem. Other functions that have no T entry
work perfectly well.

Bill.


On 1 April 2014 23:41, Bill Hart <goodwillh...@googlemail.com> wrote:

> The entries in the dll do look different:
>
> d000331.o:
> 0000000000000000 i .idata$4
> 0000000000000000 i .idata$5
> 0000000000000000 i .idata$6
> 0000000000000000 i .idata$7
> 0000000000000000 t .text
> 0000000000000000 T __gmpn_sub
> 0000000000000000 I __imp___gmpn_sub
>                  U _head_cygmpir_16_dll
>
> d000330.o:
> 0000000000000000 i .idata$4
> 0000000000000000 i .idata$5
> 0000000000000000 i .idata$6
> 0000000000000000 i .idata$7
> 0000000000000000 t .text
> 0000000000000000 I __imp___gmpn_store
> 0000000000000000 I __nm___gmpn_store
>                  U _head_cygmpir_16_dll
>
> It looks like the symbol name is not exported properly.There's no T entry!
>
> Bill.
>
>
> On 1 April 2014 23:34, Bill Hart <goodwillh...@googlemail.com> wrote:
>
>> Sadly I don't have gdb. But what on earth possesses it to miscompile a
>> call to that function and not any other?
>>
>> Bill.
>>
>>
>> On 1 April 2014 23:31, Bill Hart <goodwillh...@googlemail.com> wrote:
>>
>>> Even calling mpn_store directly segfaults.
>>>
>>> Bill.
>>>
>>>
>>> On 1 April 2014 23:27, Bill Hart <goodwillh...@googlemail.com> wrote:
>>>
>>>> Got it. And it in fact segfaults.
>>>>
>>>> Bill.
>>>>
>>>>
>>>> On 1 April 2014 23:22, Jean-Pierre Flori <jpfl...@gmail.com> wrote:
>>>>
>>>>>
>>>>>
>>>>> On Tuesday, April 1, 2014 11:21:09 PM UTC+2, Bill Hart wrote:
>>>>>>
>>>>>> How? It doesn't seem to work.
>>>>>>
>>>>>> Something like:
>>>>> PATH=<path to cygmpir>:$PATH ./<exename>
>>>>>
>>>>
>>>>
>>>
>>
>

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