STL GDB pretty printer

  1. Checkout printer 

    $ svn co svn://gcc.gnu.org/svn/gcc/trunk/libstdc++-v3/python
or 
$ svn co svn://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch/libstdc++-v3/python

  2. Add following to your ~/.gdbinit 

    python
import sys
sys.path.insert(0, '/home/hyungchan/gdb_printers/python') # abs path require
from libstdcxx.v6.printers import register_libstdcxx_printers
register_libstdcxx_printers (None)
end

  3. Now just print it 

    // hello.cpp
#include <string>

std::string str = "hello world";

int main ()
{
    return 0;
}

    $ g++ --version
g++ (Ubuntu 4.8.4-2ubuntu1~14.04) 4.8.4
Copyright (C) 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ g++ -g -o hello hello.cpp
$ gdb hello
(gdb) b main
Breakpoint 1 at 0x400881: file hello.cpp, line 7.
(gdb) r
Starting program: /home/hyungchan/source/gdb_printer/hello 

Breakpoint 1, main () at hello.cpp:7
7       return 0;
(gdb) print str
$1 = "hello world"
(gdb)