i don't know why it so much verbose perhaps i don't use the good
compilation flag .
Here another dump of a 32 bit dll extension with the same entry point but
coded with c# (for comparaison purpose)
Microsoft (R) COFF/PE Dumper Version 14.21.27702.2
Copyright (C) Microsoft Corporation. All rights reserved.
Dump of file inidbi2.dll
File Type: DLL
Section contains the following exports for \inidbi2.dll
00000000 characteristics
5D0EB90A time date stamp Sun Jun 23 01:26:02 2019
0.00 version
0 ordinal base
1 number of functions
1 number of names
ordinal hint RVA name
0 0 000038EE _RVExtension@12
Summary
2000 .reloc
2000 .rsrc
2000 .sdata
2000 .text
Le lundi 24 juin 2019 18:35:56 UTC+2, nobody nobodye a écrit :
>
> Hello Alexander
>
> you can find the dump at this place:
> https://pastebin.com/cg33nktu
>
> Le lundi 24 juin 2019 13:00:49 UTC+2, Alexander Kapshuk a écrit :
>>
>> Or was this it?
>>
>> #ifdef __cplusplus
>> extern "C" {
>> #endif
>> extern void _RVExtensionVersion(char* p0, size_t p1);
>> extern void _RVExtensionArgs(char* p0, size_t p1, char* p2, char** p3,
>> int p4);
>> extern void _RVExtension(char* p0, size_t p1, char* p2);
>> #ifdef __cplusplus
>> }
>> #endif
>>
>> The 32-bit exports listed here,
>> https://community.bistudio.com/wiki/Extensions, are most likely what
>> is listed in the module-definition file ending in .def.
>> Can you please try using the following declaration:
>> //export RVExtension
>> func RVExtension(output *C.char, outputsize C.size_t, input *C.char)
>> {...}
>>
>> Compile your dll and post the output of dumpbin.exe /EXPORTS
>> /path/to/slib.dll showing the listing of your exported symbols?
>>
>> On Mon, Jun 24, 2019 at 11:41 AM Alexander Kapshuk
>> <alexande...@gmail.com> wrote:
>> >
>> > If I understand it correctly, cgo should have generated a
>> > _cgo_export.h header with a declaration for your exported function.
>> > Can you please post the generated declaration?
>> >
>> > On Mon, Jun 24, 2019 at 12:47 AM <ono...@gmail.com> wrote:
>> > >
>> > > We are trying to make the x32 version of the extension, as shown in
>> the link below.
>> > > https://community.bistudio.com/wiki/Extensions#C.2FC.2B.2B
>> > >
>> > > How we see, for x64 we must use entry points
>> > >
>> > > RVExtension
>> > > RVExtensionArgs
>> > > RVExtensionVersion
>> > >
>> > >
>> > > but for x32
>> > >
>> > > _RVExtension@12
>> > > _RVExtensionArgs@20
>> > > _RVExtensionVersion@8
>> > >
>> > >
>> > > It is very hard for me to explain to you exactly what we need,
>> because I am new to this language, and C doesn’t know at all. I really hope
>> that you understand what I mean.
>> > >
>> > > воскресенье, 23 июня 2019 г., 22:20:53 UTC+3 пользователь Kurtis
>> Rader написал:
>> > >>
>> > >> On Sun, Jun 23, 2019 at 4:49 AM nicolas_boiteux via golang-nuts <
>> golan...@googlegroups.com> wrote:
>> > >>>
>> > >>> I need some assistance to export a GO dll function to a C program.
>> > >>>
>> > >>> The C program (wich i m not the author) required to call a function
>> with this name: _RVExtension@12
>> > >>
>> > >>
>> > >> That is not a valid symbol (i.e., function name) in either C or Go.
>> In other words the following C is invalid:
>> > >>
>> > >> extern int _RVExtension@12();
>> > >> int main() {
>> > >> _RVExtension@12();
>> > >> }
>> > >>
>> > >> Your question has nothing to do with Go or C as such. What does the
>> "@12" represent? Is it an API version number? In any event your question is
>> really about a specific build toolchain on a specific platform. And you
>> didn't even bother to tell us what platform you are using. I'm guessing MS
>> Windows but we shouldn't have to make such guesses.
>> > >>
>> > >> --
>> > >> Kurtis Rader
>> > >> Caretaker of the exceptional canines Junior and Hank
>> > >
>> > > --
>> > > You received this message because you are subscribed to the Google
>> Groups "golang-nuts" group.
>> > > To unsubscribe from this group and stop receiving emails from it,
>> send an email to golan...@googlegroups.com.
>> > > To view this discussion on the web visit
>> https://groups.google.com/d/msgid/golang-nuts/ec18ff38-d70b-41ef-b7b4-fb243f407e1c%40googlegroups.com.
>>
>>
>> > > For more options, visit https://groups.google.com/d/optout.
>>
>
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