[fpc-devel]I suggest a new FPC feature
jonas at zeus.rug.ac.be
Thu Oct 11 14:28:12 CEST 2001
On donderdag, oktober 11, 2001, at 01:29 , Michael Van Canneyt wrote:
>> But please answer to my information: I don't see that you read it.
>> Summary of my previous messages:
>> 1) Is my $calling patch interesting for you?
> I'm not yet convinced of it's usefullness. Do not forget that we're
> trying to be cross-platform,
> which means that we should keep in mind conventions on other OS-es,
> such as Unix.
Actually, stdcall is *the* standard calling convention for the 80x86
architecture, no matter under which OS you run. It defines ebx esi and
edi as non-volatile (ie if the callee modifies them, it has to save them
first) and eax, ecx and edx as non-volatile (if the caller wants to use
their current values after it called the subroutine, it should save them
> Constructors are special calls, and should NOT be declared as stdcall.
> The compiler should give an error on this.
I agree here, unless it's possible that constructors are exported from
libraries, otherwise it will never be possible to use objects/classes
defined in FPC programs from Delphi ones.
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