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  1. COP 3402 Systems Software Euripides Montagne University of Central Florida (Spring 2012)

  2. Outline • Course Organization • What is Systems software? University of Central Florida

  3. COP 3402 Systems Software Who am I and where to find me? Instructor:Euripides Montagne Tele.:(407)823-2684 email: Office hours: MTWR from 2:00 p.m. to 4:00 p.m. (HEC 217) University of Central Florida

  4. COP 3402 Systems SoftwareCourse information Lecture meetings: TR12:00 p.m. – 1:15 p.m. (CL1 320 ) Recitations: Thursday 8:30 a.m. – 9:20 a.m. (BA 126) Thursday 9:30 a.m. – 10:20 a.m. (BA 126) Web page: University of Central Florida

  5. COP 3402 Systems SoftwareCourse outline Course Outline: This course is designed to provide a fundamental understanding of real and virtual machines as language processor. We will study the processor as an instruction interpreter. Compilers, assemblers, and virtual machines will be presented as systems software for program development. An introduction to Operating system will be given. Course Topics: introduction to compilers and interpreters, virtual machines, computer architecture and assembler, loaders and linkers, macro-processors, run time environment and operating systems Prerequisites: COP 3502 – Computer Science I University of Central Florida

  6. COP 3402 Systems SoftwareCourse outline (continued) Grading Policy:(20%) Exam #1 (20%) Exam #2 (25%) Final Exam (30%) Programming project. (5%) Recitations Each programming project will have a due date and points will be subtracted for submission after that date ( up to 2 days late, 20 % off; more than two days late, you get “0” for that program). University of Central Florida

  7. COP 3402 Systems SoftwareCourse outline (continued) • Material: • Lecture notes: On website. • Required text: • Compilers: Principles, Techniques, & Tools, Second Edition by Alfred V. Aho, Monica S. Lam, Ravi Sethi, and Jeffrey D. Ullman. Addison Wesley, 2007 • Supplementary texts: • Modern Compiler Implementation in C by Andrew Appel. Cambridge University Press, 1998 • Compiler Construction:Principles and Practice by Kenneth C. Louden, PWS, 1997 • System Software: An Introduction to Systems Programming, 3rd Editionby Leland Beck, 1997. • Concepts of Programming Languages, 8th Edition by Robert W. Sebesta. Addison Wesley, 2010. University of Central Florida

  8. COP 3402 Systems SoftwareWho are your TAs? TA: Steven Zittrower email: Office hours: Thursday 1:00 p.m. to 4:00 p.m. Office:HEC-250 Grader: Justin Pug email: Office hours: TBA Office: TBA University of Central Florida

  9. COP 3402 Systems SoftwareImportant Dates • Classes begin: Monday, January 9th. • First Midterm exam: TBA. • Withdrawal deadline: Tuesday, March 20th. • Second Midterm exam: TBA. • Classes end: Monday, April 23rd. • Final exam: Thursday, April 26 (10:00 a.m. – 12:50 p.m.). • Final Exam Schedule: • Spring Holidays are: • - Martin Luther King Jr. Day: Monday, January 16, 2012 • - Spring Break: March 5 – 10, 2012 University of Central Florida

  10. COP 3402 Systems Software An Introduction to Systems Software University of Central Florida

  11. What is Systems Software? Systems Software consists of a set of programs that support the operation of a computer system and help, the programmer, to simplify the programming process and create an environment to run application software efficiently. Examples of systems software are: Text editors Compilers Loaders Linker Debugger Assembler Operating system University of Central Florida

  12. Systems software can be classified in two groups: • 1.- Software to create a program development environment • Text editor • Compiler • Assembler • Linker • Debugger (low-level) • 2.- Software to create a run-time environment • Operating system • Loader • Dynamic Linker • Program libraries University of Central Florida

  13. Systems Software: Program Development Environment • Text editor: Software that permits the creation and editing of • text files (i.e. application programs). • Compiler: Translates programs written in a high level • language to object code or machine code. • Assembler: Translates programs written in assembly language to • object code or machine code. • Static Linker: Combines and resolves references between object • programs and creates the executable code. • Debugger It is used to debug executable programs and their • (low-level) related object code and source program. University of Central Florida

  14. Systems Software: Run-Time Environment • Loader: Loads an executable code and starts its execution. • Libraries: • Precompiled programs that create a set of functions for use by • other programs. • Dynamic Linker: • Loads and links shared libraries at run-time • Operating system: • An event driven program that make an abstraction of the computer • system. The operating system handles all resources efficiently, • creates an environment for application programs to run, and provides a friendly interface between the user and the computer system. University of Central Florida

  15. Compile time Compiler/ assembler Object Module Source Program Other Object Modules Link Editor (Linker) Executable File Load time System Library Loader Dynamically Loaded System Library Running Program Execution time Computer hardware + OS University of Central Florida

  16. COP 3402 Systems Software Next class we will talk about The processor as an instruction interpreter