| # -*- python -*- |
| # Copyright (C) 2009-2022 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| import sys |
| import gdb |
| import os |
| import os.path |
| |
| pythondir = '@pythondir@' |
| libdir = '@toolexeclibdir@' |
| |
| # This file might be loaded when there is no current objfile. This |
| # can happen if the user loads it manually. In this case we don't |
| # update sys.path; instead we just hope the user managed to do that |
| # beforehand. |
| if gdb.current_objfile () is not None: |
| # Update module path. We want to find the relative path from libdir |
| # to pythondir, and then we want to apply that relative path to the |
| # directory holding the objfile with which this file is associated. |
| # This preserves relocatability of the gcc tree. |
| |
| # Do a simple normalization that removes duplicate separators. |
| pythondir = os.path.normpath (pythondir) |
| libdir = os.path.normpath (libdir) |
| |
| prefix = os.path.commonprefix ([libdir, pythondir]) |
| # In some bizarre configuration we might have found a match in the |
| # middle of a directory name. |
| if prefix[-1] != '/': |
| prefix = os.path.dirname (prefix) + '/' |
| |
| # Strip off the prefix. |
| pythondir = pythondir[len (prefix):] |
| libdir = libdir[len (prefix):] |
| |
| # Compute the ".."s needed to get from libdir to the prefix. |
| dotdots = ('..' + os.sep) * len (libdir.split (os.sep)) |
| |
| objfile = gdb.current_objfile ().filename |
| dir_ = os.path.join (os.path.dirname (objfile), dotdots, pythondir) |
| |
| if not dir_ in sys.path: |
| sys.path.insert(0, dir_) |
| |
| # Call a function as a plain import would not execute body of the included file |
| # on repeated reloads of this object file. |
| from libstdcxx.v6 import register_libstdcxx_printers |
| register_libstdcxx_printers(gdb.current_objfile()) |