source: Daodan/MSYS2/mingw32/lib/gcc/i686-w64-mingw32/11.2.0/libstdc++.dll.a-gdb.py@ 1174

Last change on this file since 1174 was 1166, checked in by rossy, 3 years ago

Daodan: Replace MinGW build env with an up-to-date MSYS2 env

File size: 2.3 KB
RevLine 
[1166]1# -*- python -*-
2# Copyright (C) 2009-2021 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
17import sys
18import gdb
19import os
20import os.path
21
22pythondir = '/mingw32/share/gcc-11.2.0/python'
23libdir = '/mingw32/lib/../lib'
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.
29if 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.
60from libstdcxx.v6 import register_libstdcxx_printers
61register_libstdcxx_printers(gdb.current_objfile())
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