SystemProgrammingSlides.pptVIP

CS252: Systems Programming;General Information;Mailing List;PSOs;Grading;Course Organization;Course Organization;Course Organization;Course Organization;Course Organization;Program Structure;Memory of a Program;Memory Sections;Memory Sections;Memory Sections;Example;Memory Gaps;What is a program?;Executable File Formats;Building a Program;Building a program;Building a Program;Original file hello.c;After preprocessor;After assembler;After compiling;After linking;Loading a Program;Loading a Program;Loading a Program;Static and Shared Libraries;Memory and Pointers;Ways to get a pointer value;Ways to get a pointer value;Ways to get a pointer value;Ways to get a pointer value;Common Problems with Pointers;Printing Pointers;sizeof() operator in Pointers;Using Pointers to Optimize Execution;Using Pointers to Optimize Execution;Using Pointers to Optimize Execution;Array Operator Equivalence;2D Array. 1st Implementation;2D Array 2nd Implementation;2D Array 2nd Implementation;2D Array 3rd Implementation;2D Array 3rd Implementation;Advantages of Pointer Based Arrays;Advantages of Pointer Based Arrays;Pointers to Functions;An Array Mapper;Using the Array Mapper;A More Generic Mapper;Using the Generic Mapper;Using the Generic Mapper;Swapping two Memory Ranges;String Comparison in Sort Function;Using a Debugger;What is GDB;Compiling a program for gdb;Running a Program with gdb;Stepping Through your Program;Setting breakpoints;Regaining the Control;Where is your Program;Printing the Value of a Variable;Exiting gdb;Debugging a Crashed Program;Debugging a Crashed Program;Now Try gdb in Your Own Program;The UNIX Operating System;What is an Operating System;What is an Operating System;A Tour of UNIX;A Tour of UNIX;BSD UNIX;The UNIX File System;UNIX File System;UNIX File System;Users;Users;Groups;Yellow Pages;File Systems;Disk File Systems;Disk File Systems;Disk File Systems;Disk File Systems;Disk File System;Disk File System;I-node information;I-node information;I-node information;I