Introduction to the Course

• Interesting Applications
• Coding Notes For Examples in the Class
• Computer Exercise:  Setting Up for the Labs

DLLs – Dynamic Link Libraries

• DLL Concepts
• Creating DLLs
• Using DLLs
• DLLs – Binder
• DLL Applications – Finding the DLLs

DLLs – in C

• Building DLLs
• Building DLL Applications
• C DLLs – An example
• DLLs – CBA
• DLLs – New services

DLLs – COBOL

• COBOL DLL Examples 1, 2
• COBOL and C DLLs
• COBOL DLL Examples 3, 4

DLLs – PL/I

• Building DLLs in PL/I
• PL/I DLL Application programs
• Naming issues
• PL/I DLL example
• Packages
• Packages and DLLs together
• OPTIONS(FETCHABLE)
• DLLINIT compiler option

DLLs – Assembler

• Assembler Language Support for DLLs – original
• Assembler Support: HLASM 1.5+ and z/OS 1.6+
• The CEEENTRY macro
• The CEEPDDA macro
• The CEEPLDA macro
• The CEEPCALL macro
• Assembler DLL considerations

Conclusions

• Loading DLLs – Tradeoffs
• Subroutine linkages – options
• Computer Exercise:  Creating and Using DLLs