CS2304 SYSTEM SOFTWARE syllabus

CS2304      SYSTEM SOFTWARE                        
L T P C
3 1 0 4
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.


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.