D732: Enterprise COBOL Debugging and Maintenance

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Enterprise COBOL Debugging and Maintenance - Topical Outline

Day One

Language Environment - An Introduction
    What Is LE?
    LE Conforming Programs
    LE Services
    Invoking LE Services
    LE Program Management

Introduction to Debugging and Dump Reading
Computer Exercise : ONION Debugging Program

Guidelines for Debugging
   The School of Footprints and Breadcrumbs
   Program Termination
   Sources of Information
        IBM Publications
        Quick Reference
   Messages and Clues
        File Related Messages
        Common System Completion Codes
            Program Check error Codes
Common LE Completion Codes
Lab Time for ONION

Anatomy of a COBOL Compile Listing
Machine Instructions
Executable Programs
Lab Time for ONION

Dump Reading - Introduction
    LE Dump Reading
    Locating Data Items in an LE Dump
    Common Errors to Watch For
    Locating Index Information in a Dump
    Locating Data in a Program's Linkage Section

How the COBOL compiler works
    Data sets
    Compiler Parms
    PROCESS Statement

Day Two

Subroutines and parameters
    CALL Syntax
    Enhancements to Parameter Passing
    Returning Values
    Multiple ENTRY points
The Program Binder
    Object Modules and Load Modules
    CSECTs
    Binder Control Statements and PARMs
    Binder Processing
    The Program Binder and Maintenance
    Application Programming to get PARM Data
    Computer Exercise: Program Binder and Maintenance

More About the Program Binder
    Load Modules vs. Program Objects
    Binder Parm's
    Binder Inputs

LE Condition Handling
Condition Handling Concepts
Standard LE Processing for T_I_U and T_I_S

Dynamic CALL, CANCEL

COBOL Source Debugging Techniques
    Subscriptrange Checking
    DISPLAY
    DEBUGGING MODE (Compile Time Switch)
    Declaratives
    TEST and CEEDUMP
    Runtime Options
    Computer Exercise: Using TEST

LE Debugging Services
CEE3DMP, CEE3ABD, CEETEST

LE: The Run-Time Environment
Specifying run-time parameters
LE run-time parameters that apply to debugging or COBOL

Course Objectives
Course Description
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