Contents
Contents
About this Manual .................................... xi
Who Should Use this Manual .............................. xi
Programming Interface Information ........................... xi
Organization of this Manual ............................... xi
IBM High Level Assembler for MVS & VM & VSE Publications
.......... xiv
Hardcopy Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv
Online Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Related Publications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Syntax Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Summary of Changes ................................. xviii
Part 1. Understanding and Using the Assembler ........................1
Chapter 1. Introduction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Machine Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Storage Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Assembler Language Support ............................ 6
Migration Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Chapter 2. Using the Assembler Listing ...................... 8
High Level Assembler Option Summary ........................ 9
External Symbol Dictionary (ESD) .......................... 12
Source and Object ................................... 15
Relocation Dictionary (RLD) .............................. 22
Ordinary Symbol and Literal Cross Reference ................... 22
Unreferenced Symbols Defined in CSECTs ..................... 24
Macro and Copy Code Source Summary ...................... 25
Macro and Copy Code Cross Reference ....................... 25
DSECT Cross Reference ................................ 29
USING Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
General Purpose Register Cross Reference ..................... 31
Diagnostic Cross Reference and Assembler Summary .............. 32
Chapter 3. Controlling Your Assembly with Options ............. 38
The Sources of Assembler Options .......................... 38
Precedence of Assembler Options ........................ 38
Fixed Installation Default Options ......................... 39
| *PROCESS OVERRIDE Statement Options ................... 39
| ASMAOPT Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Invocation Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
*Process Statement Options ............................ 40
Default Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Invoking the Assembler Dynamically ....................... 41
Coding Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Assembler Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Copyright IBM Corp. 1982, 2000 iii
