[pypy-dev] Link errors while translating with VS2010 and 64bit

[Tasos Vogiatzoglou]

Armin,

thanks for the directions. I'll start working on them and I'll report back.

Regards,
Tasos

On 3 Φεβ 2011, at 14:30, Armin Rigo <arigo at tunes.org> wrote:

> Hi Tasos,
>
> On Wed, Feb 2, 2011 at 1:15 AM, Tasos Vogiatzoglou <tvoglou at gmail.com> wrote:
>> You are right. My mistake. It was picking the 2.6 32bit python. Now is
>> working and tests are passing
>
> A few extra notes.  What is needed to make this work is three-fold:
>
> * make sure that in the C code, "intptr_t" is generated instead of
> "long" for lltype.Signed, and similarly "uintptr_t" instead of
> "unsigned long" for lltype.Unsigned.  This involves mainly fixing
> translator/c/primitive.py to declare types using "intptr_t" instead of
> "long", and probably fixing a number of other uses of "long" in the
> .py files in that directory.
>
> * make sure that in the hand-written headers translator/c/src/*.h, we
> use "intptr_t" instead of "long" whenever it's needed (mostly
> everywhere, I suppose, but not absolutely everywhere, e.g. not in
> calls to external C functions that are declared to take or return a
> long).
>
> The changes above should fix the generation of code.  Now the third
> part is the longest, probably.  You need to distinguish the two types
> used in RPython, which are lltype.Signed and rffi.LONG, and which are
> equal so far.  Of course rffi.LONG should remain equivalent to the C
> long.  This probably needs looking around in all modules and in
> pypy/rlib/, to make sure that we use the correct one, either
> lltype.Signed or rffi.LONG.  Fortunately, errors resulting from this
> confusion will probably just give translation-time errors, so we can
> fix the places one after the other.  But you need to carefully check
> the declaration of external functions that are implemented in
> translator/c/src/*.h, like pypy/module/signal/interp_signal.py (this
> one happens to use mostly rffi.INT, so it should work right now, with
> the exception of LONG_STRUCT that uses a lltype.Signed).
>
>
> A bientôt,
>
> Armin.