Hej!
I'm trying to port a small testprogramm from embedded Visual C 4 to
mingw32ce (cegcc-mingw32ce-0.50-1.i586.rpm). It's text mode, 2 threads,
some printf, some files, nothing fancy but ... it has to use 2 object
libraries (3rd party) and a DLL (my own).
I'm able to compile and link this programm but when I call the 3rd party
library an important call fails. It's the only call with several
parameters so I suspect different calling conventions.
Goes like this:
extern int libconfig(int hd, int subfct, void * parameter);
test()
{
hd = libopen();
res = libconfig(hd, 1, (void *)0815);
res = libconfig(hd, 2, (void *)15);
...
libclose(hd);
}
Result code indicates "invalid subfunction" :-(
The prototype shows no "__syscall" or the like, the object library works
when used with eVC. I've looked at the produced assembler code in the eVC
debugger and it seems parameters are transfered via r0, r1 and r2. Isn't
this the same as in mingw32ce? In my opinion all this indicates that the
program should work. It doesn't :-(
Any ideas from you? I'm at my wit's end.
Vitus
--
Vitus Jensen, Hannover, Germany, Earth, Universe (current)
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