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      1   1.1  mrg # -*- python -*-
      2  1.12  mrg # Copyright (C) 2009-2022 Free Software Foundation, Inc.
      3   1.1  mrg 
      4   1.1  mrg # This program is free software; you can redistribute it and/or modify
      5   1.1  mrg # it under the terms of the GNU General Public License as published by
      6   1.1  mrg # the Free Software Foundation; either version 3 of the License, or
      7   1.1  mrg # (at your option) any later version.
      8   1.1  mrg #
      9   1.1  mrg # This program is distributed in the hope that it will be useful,
     10   1.1  mrg # but WITHOUT ANY WARRANTY; without even the implied warranty of
     11   1.1  mrg # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     12   1.1  mrg # GNU General Public License for more details.
     13   1.1  mrg #
     14   1.1  mrg # You should have received a copy of the GNU General Public License
     15   1.1  mrg # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     16   1.1  mrg 
     17   1.1  mrg import sys
     18   1.1  mrg import gdb
     19   1.1  mrg import os
     20   1.1  mrg import os.path
     21   1.1  mrg 
     22   1.1  mrg pythondir = '@pythondir@'
     23   1.1  mrg libdir = '@toolexeclibdir@'
     24   1.1  mrg 
     25   1.1  mrg # This file might be loaded when there is no current objfile.  This
     26   1.1  mrg # can happen if the user loads it manually.  In this case we don't
     27   1.1  mrg # update sys.path; instead we just hope the user managed to do that
     28   1.1  mrg # beforehand.
     29   1.1  mrg if gdb.current_objfile () is not None:
     30   1.1  mrg     # Update module path.  We want to find the relative path from libdir
     31   1.1  mrg     # to pythondir, and then we want to apply that relative path to the
     32   1.1  mrg     # directory holding the objfile with which this file is associated.
     33   1.1  mrg     # This preserves relocatability of the gcc tree.
     34   1.1  mrg 
     35   1.1  mrg     # Do a simple normalization that removes duplicate separators.
     36   1.1  mrg     pythondir = os.path.normpath (pythondir)
     37   1.1  mrg     libdir = os.path.normpath (libdir)
     38   1.1  mrg 
     39   1.1  mrg     prefix = os.path.commonprefix ([libdir, pythondir])
     40   1.1  mrg     # In some bizarre configuration we might have found a match in the
     41   1.1  mrg     # middle of a directory name.
     42   1.1  mrg     if prefix[-1] != '/':
     43   1.1  mrg         prefix = os.path.dirname (prefix) + '/'
     44   1.1  mrg 
     45   1.1  mrg     # Strip off the prefix.
     46   1.1  mrg     pythondir = pythondir[len (prefix):]
     47   1.1  mrg     libdir = libdir[len (prefix):]
     48   1.1  mrg 
     49   1.1  mrg     # Compute the ".."s needed to get from libdir to the prefix.
     50   1.1  mrg     dotdots = ('..' + os.sep) * len (libdir.split (os.sep))
     51   1.1  mrg 
     52   1.1  mrg     objfile = gdb.current_objfile ().filename
     53   1.3  mrg     dir_ = os.path.join (os.path.dirname (objfile), dotdots, pythondir)
     54   1.1  mrg 
     55   1.3  mrg     if not dir_ in sys.path:
     56   1.3  mrg         sys.path.insert(0, dir_)
     57   1.1  mrg 
     58   1.5  mrg # Call a function as a plain import would not execute body of the included file
     59   1.5  mrg # on repeated reloads of this object file.
     60   1.5  mrg from libstdcxx.v6 import register_libstdcxx_printers
     61   1.5  mrg register_libstdcxx_printers(gdb.current_objfile())
     62