OpenEuphoria

Re: wxEuphoria

• Posted by jbrown1050 at hotpop.com Feb 12, 2003
• 704 views

On Tue, Feb 11, 2003 at 07:19:12AM -0500, Matthew Lewis wrote:
> 
> 
> > From: jbrown1050 at hotpop.com [mailto:jbrown1050 at hotpop.com]
> 
> 
> > Linux does C calls the cdecl way, not sure about C++ calls (I 
> > didnt finish
> > compling wxWindows yet (its been 16 hours so far) so I didn't 
> > get to test it
> > yet).
> 
> I suspect that all calls will be done using cdecl, passing 'this' as the
> first parameter.  The thiscall thing seems to be MSVC specific.
> 

I just translated some C++ code into asm. I don't understand it however. :[
As far as I can tell, it appears to be cdecl ... not entirely sure
however.

Maybe I'll have g++ translate the code into preprocessed C. That should
be easier to read.

> 
> > Just Some Notes:
> > 
> > for cplusplus.e,
> > 
> > dlopen(x, or_bits(#001, #100)) is the same as LoadLibrary(x)
> > dlclose(x) is the same as FreeLibrary(x)
> > dlsym(x, y) is the same as GetProcAddress(x, y)
> > 
> > in wxEuphoria.e,
> > 
> > user32, xPeekMessage, etc. seem not to be needed. Why were 
> > they there in the
> > first place?
> 
> At some point, I was attempting to make my own message loop.  They never got
> deleted. 

Oh. What was the point of that? jw.

> There's really a lot that needs to be done to make it cross
> platform.  First, I think we're going to have to figure out how to import
> stuff under linux.  In windows, I can do it by ordinal (and can get a list
> of undecorated names using Dependency Walker), but I don't think you can do
> this using linux.  And, of course, there's the issue of calling conventions.

Well, the calling conventions should be easy enough to figure out.

In linux, the command 'nm' gets the list of symbols exported by a shared
library.
Not sure about ordinal however.

>  
> > those are the only 2 files i've looked at, besides fptr.e
> > 
> > and, afai can tell, fptr.e's thiscall routines should work just fine
> > ... I think.
> > However, I have not had the chance to test it yet, as I've ready said.
> 
> I suspect that you'll crash and burn using thiscall. :)

LOL

> 
> Matt Lewis
>  

jbrown

> 
> 
> 
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