I saw reference to DLL’s in the XL C bookshelf Unlike Windows there doesn’t seem to be a DLLMAIN function
Thanks > On Jul 3, 2019, at 3:46 PM, Tony Harminc <t...@harminc.com> wrote: > >> On Tue, 2 Jul 2019 at 17:24, Joseph Reichman <reichman...@gmail.com> wrote: >> >> I am hoping to have the Assembler Started task code call a C DLL, On the >> Windows end it would be C/C+ code calling the >> DLL obviously there are differences because of the platform but I am >> guessing hose call be handled by #IFDEF >> >> In Windows Loading the DLL is a LoadLibrary Api then GetProcAddress to get >> the exports >> >> I am not sure how to do this in Assembler is there a LoadLibrary Macro or a >> GetProcAddress macro to call the exported >> function > > DLLs are discussed in the LE book _Language Environment Programming > Guide_ in Chapter 4. Most of the examples and discussions are about C, > but there are some brief assembler bits. And there is a discussion of > assembler considerations (not just for DLLs) in Chapter 29, including > the various macros you need. > > To be clear, HLASM *is* explictly a supported language for both > writing and invoking DLLs under LE. See "Support for DLLs" at the very > start of Chapter 4. > > I haven't played with this for many years, and am not current, but > other people on this list have written about it - maybe John McKown? > And there was the Trainer's Friend guy (Steve Comstock?), who gave > courses on this and related LE matters. He made his course materials > available for sale when he closed the business. Maybe they are still > out there? Ah - I see some of it is now on Amazon. Not free, but maybe > a good deal. http://www.trainersfriend.com/zOS.shtml I have no > connection, etc... > > Tony H.
