Table of Contents

Chapter 0: Administrata

1. Current State Of This Document
2. Why Write This Tutorial?
3. Acknowledgements And Dedication
4. Authorship And Copyright
5. About The Exercises
6. Thanks
7. A Plug For The EFF
8. A Request For Help
9. Changelog (Updated May 14, 2013)

Chapter 1: Introduction

1. What Is A Debugger?
2. Why Not Use printf()?
3. What Is GDB?
4. Other Symbolic Debuggers
   • Debuggers
   • Front Ends

Chapter 2: Memory Layout and the Stack

1. Before You Debug
2. Virtual Memory
3. Memory Layout
4. Stack Frames And The Stack

Chapter 2.5: Preparing An Executable For Debugging

1. Before You Debug (Part II)
   • Theory: Symbol Tables
   • Practical: Using GCC Debug Switches

Chapter 2.8: Examining The Stack With GDB

1. Loading A Program And Setting A Breakpoint
2. The Backtrace Command
3. The Frame Command

Interlude: How To Debug Without A Debugger

1. ProPaul Conradylogue
2. Debugging With Your Brain

Chapter 3: Initialization, Listing, And Running

1. Recap & Roadmap
2. Listing Source Code
   • Listing By Memory Address (advanced)
   • Setting The List Size
3. The .gdbinit File
4. Running A Program In GDB
5. Restarting A Program In GDB

Chapter 4: Breakpoint Basics

1. Introduction To Breakpoints
2. What Is a Breakpoint?
3. Breaking
   • Setting Basic Breakpoints
   • Breakpoint Numbers
   • Listing Breakpoints
   • Enabling, Disabling, and Ignoring Breakpoints
   • Removing Breakpoints

Chapter 4.5: Various Ways To Set GDB Breakpoints

1. Basic Methods
   • By Line Number
   • By Function Name
   • Relative To Current Line Of Execution
2. Advanced Methods
   • By Filename & Line Number
   • By Filename & Function Name
   • By Address
   • By Next Instruction
   • Conditional Breakpoints
3. Summary

Chapter 5: Inspecting And Changing Variables

1. Inspecting Variables
2. Inspecting Arrays And Structures
3. Advanced Inspection
4. Changing Variables

Chapter 5.5: Moving Around In The Sourcecode

1. Stepping Through Your Program
2. Finding Out Where You Are And Listing Source Code

Chapter 6: Debugging A Running Process

1. How To Attach GDB To An Executing Program
   • With Command Line Arguments
   • With The Attach Command
2. Processes Without Debugging Symbols

Chapter 7: Debugging Ncurses Programs

1. Ncurses
2. A Sample Ncurses Debug Session
3. Separating Input/Output
4. Debugging Ncurses Example

Chapter 8: Other Stuff

1. Official GDB Sources
2. Formats For This Document
3. Other GDB Tutorials
4. Kudos