gcc (13.2.0)
1 # -*- python -*-
2 # Copyright (C) 2009-2023 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 = '/BuggyBox/gcc/13.2.0/bootstrap/share/gcc-13.2.0/python'
23 libdir = '/BuggyBox/gcc/13.2.0/bootstrap/lib/../lib64'
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 # Call a function as a plain import would not execute body of the included file
59 # on repeated reloads of this object file.
60 from libstdcxx.v6 import register_libstdcxx_printers
61 register_libstdcxx_printers(gdb.current_objfile())
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