Debugging with GDB

The GNU Source-Level Debugger

Seventh Edition, for GDB version 4.18

February 1999

• Summary of GDB
  • Free software
  • 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
  • Additional process information
  • 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
  • Continuing and stepping
  • Signals
  • Stopping and starting multi-thread programs
• Examining the Stack
  • Stack frames
  • Backtraces
  • Selecting a frame
  • Information about a frame
  • MIPS/Alpha machines and the function stack
• 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
• 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
• 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
    • GDB with a remote i960 (Nindy)
      • Startup with Nindy
      • Options for Nindy
      • Nindy reset command
    • The UDI protocol for AMD29K
    • The EBMON protocol for AMD29K
      • Communications setup
      • EB29K cross-debugging
      • Remote log
    • GDB with a Tandem ST2000
    • GDB and VxWorks
      • Connecting to VxWorks
      • VxWorks download
      • Running tasks
    • GDB and Sparclet
      • Setting file to debug
      • Connecting to Sparclet
      • Sparclet download
      • Running and debugging
    • GDB and Hitachi microprocessors
      • Connecting to Hitachi boards
      • Using the E7000 in-circuit emulator
      • Special GDB commands for Hitachi micros
    • GDB and remote MIPS boards
    • Simulated CPU target
• Controlling GDB
  • Prompt
  • Command editing
  • Command history
  • Screen size
  • Numbers
  • Optional warnings and messages
• Canned Sequences of Commands
  • User-defined commands
  • User-defined command hooks
  • Command files
  • Commands for controlled output
• Using GDB under GNU Emacs
• 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 Interaction
    • Event Designators
    • Word Designators
    • Modifiers
• Formatting Documentation
• Installing GDB
  • Compiling GDB in another directory
  • Specifying names for hosts and targets
  • configure options
• Index

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