Debugging with GDB

The GNU Source-Level Debugger

Ninth Edition, for GDB version 5.1.1

January 2002

• Summary of GDB
  • Free software
  • Free Software Needs Free Documentation
  • Contributors to GDB
• A Sample GDB Session
• Getting In and Out of GDB
  • Invoking GDB
    • Choosing files
    • Choosing modes
  • Quitting GDB
  • Shell commands
• GDB Commands
  • Command syntax
  • Command completion
  • Getting help
• Running Programs Under GDB
  • Compiling for debugging
  • Starting your program
  • Your program's arguments
  • Your program's environment
  • Your program's working directory
  • Your program's input and output
  • Debugging an already-running process
  • Killing the child process
  • Debugging programs with multiple threads
  • Debugging programs with multiple processes
• Stopping and Continuing
  • Breakpoints, watchpoints, and catchpoints
    • Setting breakpoints
    • Setting watchpoints
    • Setting catchpoints
    • Deleting breakpoints
    • Disabling breakpoints
    • Break conditions
    • Breakpoint command lists
    • Breakpoint menus
    • "Cannot insert breakpoints"
  • Continuing and stepping
  • Signals
  • Stopping and starting multi-thread programs
• Examining the Stack
  • Stack frames
  • Backtraces
  • Selecting a frame
  • Information about a frame
• Examining Source Files
  • Printing source lines
  • Searching source files
  • Specifying source directories
  • Source and machine code
• Examining Data
  • Expressions
  • Program variables
  • Artificial arrays
  • Output formats
  • Examining memory
  • Automatic display
  • Print settings
  • Value history
  • Convenience variables
  • Registers
  • Floating point hardware
  • Memory Region Attributes
    • Attributes
      • Memory Access Mode
      • Memory Access Size
      • Data Cache
• Tracepoints
  • Commands to Set Tracepoints
    • Create and Delete Tracepoints
    • Enable and Disable Tracepoints
    • Tracepoint Passcounts
    • Tracepoint Action Lists
    • Listing Tracepoints
    • Starting and Stopping Trace Experiment
  • Using the collected data
    • tfind n
    • tdump
    • save-tracepoints filename
  • Convenience Variables for Tracepoints
• Using GDB with Different Languages
  • Switching between source languages
    • List of filename extensions and languages
    • Setting the working language
    • Having GDB infer the source language
  • Displaying the language
  • Type and range checking
    • An overview of type checking
    • An overview of range checking
  • Supported languages
    • C and C++
      • C and C++ operators
      • C and C++ constants
      • C++ expressions
      • C and C++ defaults
      • C and C++ type and range checks
      • GDB and C
      • GDB features for C++
    • Modula-2
      • Operators
      • Built-in functions and procedures
      • Constants
      • Modula-2 defaults
      • Deviations from standard Modula-2
      • Modula-2 type and range checks
      • The scope operators :: and .
      • GDB and Modula-2
    • Chill
      • How modes are displayed
      • Locations and their accesses
      • Values and their Operations
      • Chill type and range checks
      • Chill defaults
• Examining the Symbol Table
• Altering Execution
  • Assignment to variables
  • Continuing at a different address
  • Giving your program a signal
  • Returning from a function
  • Calling program functions
  • Patching programs
• GDB Files
  • Commands to specify files
  • Errors reading symbol files
• Specifying a Debugging Target
  • Active targets
  • Commands for managing targets
  • Choosing target byte order
  • Remote debugging
    • The GDB remote serial protocol
      • What the stub can do for you
      • What you must do for the stub
      • Putting it all together
      • Communication protocol
      • Using the gdbserver program
      • Using the gdbserve.nlm program
  • Kernel Object Display
• Configuration-Specific Information
  • Native
    • HP-UX
    • SVR4 process information
    • Features for Debugging DJGPP Programs
  • Embedded Operating Systems
    • Using GDB with VxWorks
      • Connecting to VxWorks
      • VxWorks download
      • Running tasks
  • Embedded Processors
    • AMD A29K Embedded
      • A29K UDI
      • EBMON protocol for AMD29K
      • Communications setup
      • EB29K cross-debugging
      • Remote log
    • ARM
    • Hitachi H8/300
      • Connecting to Hitachi boards
      • Using the E7000 in-circuit emulator
      • Special GDB commands for Hitachi micros
    • H8/500
    • Intel i960
      • Startup with Nindy
      • Options for Nindy
      • Nindy reset command
    • Mitsubishi M32R/D
    • M68k
    • M88K
    • MIPS Embedded
    • PowerPC
    • HP PA Embedded
    • Hitachi SH
    • Tsqware Sparclet
      • Setting file to debug
      • Connecting to Sparclet
      • Sparclet download
      • Running and debugging
    • Fujitsu Sparclite
    • Tandem ST2000
    • Zilog Z8000
  • Architectures
    • A29K
    • Alpha
    • MIPS
• Controlling GDB
  • Prompt
  • Command editing
  • Command history
  • Screen size
  • Numbers
  • Optional warnings and messages
  • Optional messages about internal happenings
• Canned Sequences of Commands
  • User-defined commands
  • User-defined command hooks
  • Command files
  • Commands for controlled output
• GDB Text User Interface
  • TUI overview
  • TUI Key Bindings
  • TUI specific commands
  • TUI configuration variables
• Using GDB under GNU Emacs
• GDB Annotations
  • What is an Annotation?
  • The Server Prefix
  • Values
  • Frames
  • Displays
  • Annotation for GDB Input
  • Errors
  • Information on Breakpoints
  • Invalidation Notices
  • Running the Program
  • Displaying Source
  • Annotations We Might Want in the Future
• The GDB/MI Interface
  • Function and Purpose
  • Notation and Terminology
  • GDB/MI Command Syntax
    • GDB/MI Input Syntax
    • GDB/MI Output Syntax
    • Simple Examples of GDB/MI Interaction
  • GDB/MI Compatibility with CLI
  • GDB/MI Output Records
    • GDB/MI Result Records
    • GDB/MI Stream Records
    • GDB/MI Out-of-band Records
  • GDB/MI Command Description Format
  • GDB/MI Breakpoint table commands
  • GDB/MI Data Manipulation
  • GDB/MI Program control
  • Miscellaneous GDB commands in GDB/MI
  • GDB/MI Stack Manipulation Commands
  • GDB/MI Symbol Query Commands
  • GDB/MI Target Manipulation Commands
  • GDB/MI Thread Commands
  • GDB/MI Tracepoint Commands
  • GDB/MI Variable Objects
• Reporting Bugs in GDB
  • Have you found a bug?
  • How to report bugs
• Command Line Editing
  • Introduction to Line Editing
  • Readline Interaction
    • Readline Bare Essentials
    • Readline Movement Commands
    • Readline Killing Commands
    • Readline Arguments
    • Searching for Commands in the History
  • Readline Init File
    • Readline Init File Syntax
    • Conditional Init Constructs
    • Sample Init File
  • Bindable Readline Commands
    • Commands For Moving
    • Commands For Manipulating The History
    • Commands For Changing Text
    • Killing And Yanking
    • Specifying Numeric Arguments
    • Letting Readline Type For You
    • Keyboard Macros
    • Some Miscellaneous Commands
  • Readline vi Mode
• Using History Interactively
  • History Expansion
    • Event Designators
    • Word Designators
    • Modifiers
• Formatting Documentation
• Installing GDB
  • Compiling GDB in another directory
  • Specifying names for hosts and targets
  • configure options
• GNU Free Documentation License
  • ADDENDUM: How to use this License for your documents
• Index

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