CS2304 SYSTEM SOFTWARE SYLLABUS

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AIM
To have an understanding of foundations of design of assemblers, loaders, linkers, and
macro processors.
OBJECTIVES
 To understand the relationship between system software and machine architecture.
 To know the design and implementation of assemblers
 To know the design and implementation of linkers and loaders.
 To have an understanding of macroprocessors.
 To have an understanding of system software tools.
UNIT I INTRODUCTION 8
System software and machine architecture – The Simplified Instructional Computer
(SIC) - Machine architecture - Data and instruction formats - addressing modes -
instruction sets - I/O and programming.
UNIT II ASSEMBLERS 10
Basic assembler functions - A simple SIC assembler – Assembler algorithm and data
structures - Machine dependent assembler features - Instruction formats and addressing
modes – Program relocation - Machine independent assembler features - Literals –
Symbol-defining statements – Expressions - One pass assemblers and Multi pass
assemblers - Implementation example - MASM assembler.
UNIT III LOADERS AND LINKERS 9
Basic loader functions - Design of an Absolute Loader – A Simple Bootstrap Loader -
Machine dependent loader features - Relocation – Program Linking – Algorithm and
Data Structures for Linking Loader - Machine-independent loader features - Automatic
Library Search – Loader Options - Loader design options - Linkage Editors – Dynamic
Linking – Bootstrap Loaders - Implementation example - MSDOS linker.
UNIT IV MACRO PROCESSORS 9
Basic macro processor functions - Macro Definition and Expansion – Macro Processor
Algorithm and data structures - Machine-independent macro processor features -
Concatenation of Macro Parameters – Generation of Unique Labels – Conditional Macro
Expansion – Keyword Macro Parameters-Macro within Macro-Implementation example -
MASM Macro Processor – ANSI C Macro language.
UNIT V SYSTEM SOFTWARE TOOLS 9
Text editors - Overview of the Editing Process - User Interface – Editor Structure. -
Interactive debugging systems - Debugging functions and capabilities – Relationship
with other parts of the system – User-Interface Criteria.
L: 45, T: 15, TOTAL= 60 PERIODS
TEXT BOOK:
1. Leland L. Beck, “System Software – An Introduction to Systems Programming”, 3rd
Edition, Pearson Education Asia, 2006.
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REFERENCES:
1. D. M. Dhamdhere, “Systems Programming and Operating Systems”, Second
Revised Edition, Tata McGraw-Hill, 2000.
2. John J. Donovan “Systems Programming”, Tata McGraw-Hill Edition, 2000.
3. John R. Levine, Linkers & Loaders – Harcourt India Pvt. Ltd., Morgan Kaufmann
Publishers, 2000