Enterprise PL/I Debugging and Maintenance - Topical Outline

Introduction To PL/I Debugging

Setting the Context

Overall Strategy

Computer Exercise: Course setup

Language Environment and PL/I

Debugging Resources

Compiler Parameters

Compiler Messages

Execution-Time Parameters

Debugging Techniques

PL/I Statements

Conditions

Computer Exercise: PONION

How does PL/I store variables

Arithmetic Variables

Bit and Character Variables

Pointer and Offset Variables

Area Variables

Arrays

Structures

Parameters

Where Does PL/I store variables

Storage Classes

Static, Automatic, Controlled, and Based Storage

Dynamic Storage Areas (DSAs)

The User Heap

Computer Exercise: PONION, continued

The Enterprise PL/I Compiler

Inputs and Outputs

Compile Time Parameters

Anatomy of a PL/I Compiler Listing

Anatomy of a Binder Listing

Execution Time Parameters

Computer Exercise: PONION, continued

Generating Dumps

PLIDUMP

CEE3DMP

CEE3ABD

Working with Dumps

Common Abends

CEEDUMPs

Finding where your program "blew up"

Finding data in a dump

SYSUDUMPs

Finding where your program "blew up"

Finding data in a dump

Computer Exercise: CEEDUMP

Subroutines, Arguments, and Parameters

Locators and Descriptors

Dummy Arguments

Dynamic Calls

Subroutines in Other Languages

PL/I Debugging Techniques

ON ERROR

PUT DATA, PUT LIST

Pointer debugging

Conditions

Computer Exercise: Locators and Descriptors

Common PL/I programming errors

Good coding techniques

Poor coding techniques

Performance Considerations

E732 / 2 Days

These Materials © Copyright 2013 by Hunter Cobb

Materials version: V4.x

Course Description
Course Objectives
PL/I curriculum
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This page last updated: 31 July, 2014
Copyright © 2014 by Hunter's Training Associates, LLC