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41850419 TT |
1 | # -*- python -*- |
2 | # Copyright (C) 2009 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 | |
35204bbe TT |
19 | import os |
20 | import os.path | |
21 | ||
22 | pythondir = '@pythondir@' | |
23 | libdir = '@toolexeclibdir@' | |
24 | ||
6ba49852 TT |
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) | |
41850419 TT |
57 | |
58 | # Load the pretty-printers. | |
59 | from libstdcxx.v6.printers import register_libstdcxx_printers | |
60 | register_libstdcxx_printers (gdb.current_objfile ()) |