Re: [Firebird-devel] Reference counters in API

[Adriano d. S. F. <adr...@gm...>]

On 08-04-2011 11:25, Vlad Khorsun wrote:
>> 08.04.2011 15:42, Vlad Khorsun wrote:
>>>      Thanks. But, if this is true : "In 64 bit mode, there is only one calling convention for each
>>> operating system" then we have no problem with interfaces despite of compiler\language
>>> on x64 systems.
>>
>>   Yep, if forget that current FB API, implemented in current fbclient.dll use stdcall and 
>> thus Delphi 64 won't be able to work with it. And if you change this calling convention to 
>> fastcall, all programs that already work with 64-bits client will be broken.
> 
>     In Win64 stdcall is the same as thiscall, cdecl, register, fastcall, anythingelsecall. 
> 
>     Do you know that all Win32 API declared with stdcall ? Are you going to say that Delphi 
> Win64 applications wiil not be able to work with Win32 API  at all ? :-D
> 
>     There is no problem with calling conventions on x64 systems between modules by different
> compilers as log as all compilers vendors follow the same rules about fastcall. And it seems 
> they follow.
> 
If fastcall can handle functions with variable number of arguments,
there is no problem then.

The only affected applications would be the ones written in assembly.


Adriano