GDB - GNU Debugger
Introduction
GDB (GNU Debugger) is a powerful debugging tool for Unix and Linux systems. It allows users to inspect program execution, set breakpoints, and analyze errors.
Features
- Breakpoints and Watchpoints: Stop execution at specific points to inspect program state.
- Step-by-Step Execution: Execute code line by line for detailed debugging.
- Variable Inspection: View and modify variable values during runtime.
- Core Dump Analysis: Debug programs post-crash using core dump files.
- Remote Debugging: Debug applications running on remote systems.
Installation
- Open a terminal.
-
Install GDB using the following command:
sudo pacman -S gdb
Install verification
To check if GDB has been installed correctly, run:
gdb --version
If the version number is displayed, the installation was successful.
Uninstall
To remove GDB from your system, use:
sudo pacman -Rns gdb
Usage
GDB provides multiple functionalities for debugging programs. Some basic commands include:
-
Start GDB with a program:
gdb ./my_program -
Run the program inside GDB:
run -
Set a breakpoint at a specific function:
break function_name -
Continue execution after hitting a breakpoint:
continue -
Inspect the value of a variable:
print variable_name -
Exit GDB:
quit
Official documentation & More Info
Contributing
If you want to contribute to GDB, check out the GDB development mailing list for guidelines.
Support
For support and troubleshooting, visit the GDB Bugzilla or the GDB mailing list.
License
GDB is released under the GNU General Public License (GPL).