| 1 | # -*- python -*-
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| 2 | # Copyright (C) 2009-2021 Free Software Foundation, Inc.
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| 3 |
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| 4 | # This program is free software; you can redistribute it and/or modify
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| 5 | # it under the terms of the GNU General Public License as published by
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| 6 | # the Free Software Foundation; either version 3 of the License, or
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| 7 | # (at your option) any later version.
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| 8 | #
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| 9 | # This program is distributed in the hope that it will be useful,
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| 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | # GNU General Public License for more details.
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| 13 | #
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| 14 | # You should have received a copy of the GNU General Public License
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| 15 | # along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 16 |
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| 17 | import sys
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| 18 | import gdb
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| 19 | import os
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| 20 | import os.path
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| 21 |
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| 22 | pythondir = '/mingw32/share/gcc-11.2.0/python'
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| 23 | libdir = '/mingw32/lib/../lib'
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| 24 |
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| 25 | # This file might be loaded when there is no current objfile. This
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| 26 | # can happen if the user loads it manually. In this case we don't
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| 27 | # update sys.path; instead we just hope the user managed to do that
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| 28 | # beforehand.
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| 29 | if gdb.current_objfile () is not None:
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| 30 | # Update module path. We want to find the relative path from libdir
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| 31 | # to pythondir, and then we want to apply that relative path to the
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| 32 | # directory holding the objfile with which this file is associated.
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| 33 | # This preserves relocatability of the gcc tree.
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| 34 |
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| 35 | # Do a simple normalization that removes duplicate separators.
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| 36 | pythondir = os.path.normpath (pythondir)
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| 37 | libdir = os.path.normpath (libdir)
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| 38 |
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| 39 | prefix = os.path.commonprefix ([libdir, pythondir])
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| 40 | # In some bizarre configuration we might have found a match in the
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| 41 | # middle of a directory name.
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| 42 | if prefix[-1] != '/':
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| 43 | prefix = os.path.dirname (prefix) + '/'
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| 44 |
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| 45 | # Strip off the prefix.
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| 46 | pythondir = pythondir[len (prefix):]
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| 47 | libdir = libdir[len (prefix):]
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| 48 |
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| 49 | # Compute the ".."s needed to get from libdir to the prefix.
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| 50 | dotdots = ('..' + os.sep) * len (libdir.split (os.sep))
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| 51 |
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| 52 | objfile = gdb.current_objfile ().filename
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| 53 | dir_ = os.path.join (os.path.dirname (objfile), dotdots, pythondir)
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| 54 |
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| 55 | if not dir_ in sys.path:
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| 56 | sys.path.insert(0, dir_)
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| 57 |
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| 58 | # Call a function as a plain import would not execute body of the included file
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| 59 | # on repeated reloads of this object file.
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| 60 | from libstdcxx.v6 import register_libstdcxx_printers
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| 61 | register_libstdcxx_printers(gdb.current_objfile())
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