Thanks the program ( source ) I would do this ( call the c exports) is one with multiple csects I will look up CEEPIPI
Thanks > On Jul 3, 2019, at 5:24 PM, Mike Hochee <[email protected]> wrote: > > You might want to consider looking into CEEPIPI, which allows you to > initialize an LE 'umbrella' from a non-LE conforming program and then control > the execution of main programs, subprograms, dlls, etc. underneath. > > It is documented in chapter 30 of the LE Programming Guide. > > HTH, > Mike > > ________________________________ > From: IBM Mainframe Assembler List <[email protected]> on > behalf of Joseph Reichman <[email protected]> > Sent: Wednesday, July 3, 2019 4:52 PM > To: [email protected] > Subject: Re: C DLL Code from Assembler > > Well there is the first #ifdef > > >> On Jul 3, 2019, at 4:29 PM, John Melcher >> <[email protected]> wrote: >> >> There isn't. You must instantiate Language Environment by either making >> your Assembler Language routine the main() or calling it from a LE enabled >> "main". >> >> void main(char * parm) >> { >> Int rc; >> rc = Asmfunc(); >> } >> >> -----Original Message----- >> From: IBM Mainframe Assembler List [mailto:[email protected]] >> On Behalf Of Joseph Reichman >> Sent: Wednesday, July 3, 2019 2:51 PM >> To: [email protected] >> Subject: Re: C DLL Code from Assembler >> >> *** External email: Verify sender before opening attachments or links *** >> >> >> 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 <[email protected]> wrote: >>>> >>>> On Tue, 2 Jul 2019 at 17:24, Joseph Reichman <[email protected]> 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://TOC.ASG.COM:8080/?dmVyPTEuMDAxJiY1NDU1NmVlYzI3Nzk4NzhlZT01RDFEMDcxOV85OTE1N185NjNfMSYmNTBjMjY5NGQ5NGMxYTRlPTEyMzImJnVybD1odHRwJTNBJTJGJTJGd3d3JTJFdHJhaW5lcnNmcmllbmQlMkVjb20lMkZ6T1MlMkVzaHRtbA== >>> I have no connection, etc... >>> >>> Tony H.
