CS2304 SYSTEM SOFTWARE Syllabus- Anna University

CS2304                                       SYSTEM SOFTWARE                                         L T P C
3  1 0 4
To have an understanding of foundations of design of assemblers, loaders, linkers, and macro processors.

·       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  softwarand  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
1.  Leland L. Beck, System Software An Introduction to Systems Programming, 3rd
Edition, Pearson Education Asia, 2006.

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.

By Vinoth
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