It's a CDECL thing... :-( Disabled Using_CDECL, and now the pointer passes to/from the imported functions. (Florian/Jonas/Michael - is this an expected issue on Windows?)
On Sat, Sep 28, 2019 at 3:24 PM Ozz Nixon <ozzni...@gmail.com> wrote: > Alexander, Its the calling line that is messing up. > > TLapeImportedFunc(Ptr)(@Stack[StackPos - ParamSize], Res); > > * Res has a value before executing that line. However, the called method > receives the 2nd param as null. > > Or is it in the definition: > TLapeImportedFunc = procedure(const Params: PParamArray; const Result: > Pointer); {$IFDEF Using_CDECL}cdecl;{$ENDIF} <-- CDECL is enabled. > > So, is a CDECL thing? A compile switch I need to enable/disable? Remove > "const" everywhere? ... it has taken me 6 months to slow down and say, WTF. > I can run everywhere but Windows. :-( > > On Sat, Sep 28, 2019 at 3:16 PM Alexander Grotewohl <a...@dcclost.com> > wrote: > >> don't know off the top of my head but does the ord() bit segfault without >> assigning it to anything? like if the function only had writleln(ord())! or >> does the result:= section segfault using ord() without the pointers? >> >> my guess is it works on linux/mac purely by luck. but i could be wrong. >> >> -- >> Alexander Grotewohl >> http://dcclost.com >> >> On Sep 28, 2019 3:21 PM, Ozz Nixon <ozzni...@gmail.com> wrote: >> >> [image: image.png] >> >> When I evaluate the code - it is perfect. However, when I run the code, >> it raises a SIGSEGV - Segmentation fault. Yet, the code runs perfectly on >> Linux 64bit machine, and Mac 32bit. >> >> >> _______________________________________________ >> fpc-devel maillist - fpc-devel@lists.freepascal.org >> https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-devel >> >
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