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How to Enable GDB Pretty Printing for C STL Objects in Eclipse CDT
Introduction
GDB pretty printing makes it easier to debug C programs by displaying STL objects in a human-readable format. This guide provides a step-by-step solution to enable this feature in Eclipse CDT.
Solution
1. Install Python Scripting Support for GDB
Download and install the latest version of GDB with Python scripting support. On Linux, this can be done using the following command:
sudo apt-get install gdb python-gdb
2. Get Python Pretty Printers
Execute the following Git command to download the pretty printers:
svn co svn://gcc.gnu.org/svn/gcc/trunk/libstdc++-v3/python
3. Edit .gdbinit File
Create a .gdbinit file in your home directory and add the following lines:
python import sys sys.path.insert(0, '/home/YOUR_NAME_HERE/distribs/gdb_printers/python') from libstdcxx.v6.printers import register_libstdcxx_printers register_libstdcxx_printers (None) end
Replace '/home/YOUR_NAME_HERE/distribs/gdb_printers/python' with the correct path to the python subdirectory in your checkout directory.
4. Using Pretty Printing in Eclipse CDT
Configure Eclipse to use GDB and the .gdbinit file:
Additional Commands for Improved Output
You can enhance GDB's output with these commands:
set print pretty on set print object on set print static-members on set print vtbl on set print demangle on set demangle-style gnu-v3 set print sevenbit-strings off
With these settings, you should now be able to debug C programs with improved STL object representation in Eclipse CDT.
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