pythondir = '@pythondir@'
libdir = '@toolexeclibdir@'
-# 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.join (*['/'] + pythondir.split (os.sep))
-libdir = os.path.join (*['/'] + libdir.split (os.sep))
-
-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)
+# 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)
# Load the pretty-printers.
from libstdcxx.v6.printers import register_libstdcxx_printers