dynamic linking - different options used in program and JCL

ganeshptrk · New User Joined: 04 Apr 2007 Posts: 17 Location: Chennai

Hi,
In my COBOL program, I am dynamically linking my subprogram, but on COMPILE and LINK-EDIT jcl, I have specified NODYNM paramter. What happens now?

Similarly, in my COBOL program, I am statically linking my subprogram, but on LINK-EDIT job step, I have specified DYNM parameter. what happens now? will the subprogram linking according to code or jcl parameters?

Thanks
Ganesh

dick scherrer · Posted: Thu Mar 13, 2008 10:09 pm

Hello,

What results did you get?

If you look at the output of the compile and the link-edit, you will be able to see what the system did with your program. For validation, i'd suggest separate program names for all 4 (2 callers and 2 called).

mmwife · Super Moderator Joined: 30 May 2003 Posts: 1592

Hi Ganesh,

This might help:

*************************************************************
Static vs Dynamic CALLs
*************************************************************
If compiled as NODYNAM:
CALL 'literal' is a static call
CALL WS-label is a dynamic call

If compiled as DYNAM:
CALL 'literal' is a dynamic call
CALL WS-label is a dynamic call

Keep in mind that these comments (and the DYNAM option itself) pertain to compiling the CALLing pgm only. (added 09/15/08)

dp33770 · New User Joined: 04 Jul 2007 Posts: 91 Location: Hyderabad

If without giving compiler option DYNAM the subprogram will act as dynamic call then whts the use of that compiler option ?

dbzTHEdinosauer · Posted: Fri Sep 12, 2008 1:58 pm

I think you will find that the LinkageEditer (binder) parm NCAL has a lot to do with static and dynamic linking.

you can also browse your load modules (if you don't want to run AMBLIST) and you can see if the load module was statically or dynamically linked.