1 # -*- python -*- 2 # Copyright (C) 2009, 2010 Free Software Foundation, Inc. 3 4 # This program is free software; you can redistribute it and/or modify 5 # it under the terms of the GNU General Public License as published by 6 # the Free Software Foundation; either version 3 of the License, or 7 # (at your option) any later version. 8 # 9 # This program is distributed in the hope that it will be useful, 10 # but WITHOUT ANY WARRANTY; without even the implied warranty of 11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 # GNU General Public License for more details. 13 # 14 # You should have received a copy of the GNU General Public License 15 # along with this program. If not, see <http://www.gnu.org/licenses/>. 16 17 import sys 18 import gdb 19 import os 20 import os.path 21 22 pythondir = '/tmp/ahsieh-gcc-32-x19222/2/i686-linux-glibc2.7-4.6/share/gcc-4.6.x-google/python' 23 libdir = '/tmp/ahsieh-gcc-32-x19222/2/i686-linux-glibc2.7-4.6/i686-linux/lib' 24 25 # This file might be loaded when there is no current objfile. This 26 # can happen if the user loads it manually. In this case we don't 27 # update sys.path; instead we just hope the user managed to do that 28 # beforehand. 29 if gdb.current_objfile () is not None: 30 # Update module path. We want to find the relative path from libdir 31 # to pythondir, and then we want to apply that relative path to the 32 # directory holding the objfile with which this file is associated. 33 # This preserves relocatability of the gcc tree. 34 35 # Do a simple normalization that removes duplicate separators. 36 pythondir = os.path.normpath (pythondir) 37 libdir = os.path.normpath (libdir) 38 39 prefix = os.path.commonprefix ([libdir, pythondir]) 40 # In some bizarre configuration we might have found a match in the 41 # middle of a directory name. 42 if prefix[-1] != '/': 43 prefix = os.path.dirname (prefix) + '/' 44 45 # Strip off the prefix. 46 pythondir = pythondir[len (prefix):] 47 libdir = libdir[len (prefix):] 48 49 # Compute the ".."s needed to get from libdir to the prefix. 50 dotdots = ('..' + os.sep) * len (libdir.split (os.sep)) 51 52 objfile = gdb.current_objfile ().filename 53 dir_ = os.path.join (os.path.dirname (objfile), dotdots, pythondir) 54 55 if not dir_ in sys.path: 56 sys.path.insert(0, dir_) 57 58 # Load the pretty-printers. 59 from libstdcxx.v6.printers import register_libstdcxx_printers 60 register_libstdcxx_printers (gdb.current_objfile ()) 61
