62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
# -*- python -*-
|
|
# Copyright (C) 2009-2021 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())
|