1 # Copyright (C) 2010-2016 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
21 if sys
.version_info
[0] > 2:
22 # Python 3 moved "reload"
23 from imp
import reload
27 class _GdbFile (object):
28 # These two are needed in Python 3
39 def writelines(self
, iterable
):
46 class GdbOutputFile (_GdbFile
):
48 write(s
, stream
=STDOUT
)
50 sys
.stdout
= GdbOutputFile()
52 class GdbOutputErrorFile (_GdbFile
):
54 write(s
, stream
=STDERR
)
56 sys
.stderr
= GdbOutputErrorFile()
58 # Default prompt hook does nothing.
61 # Ensure that sys.argv is set to something.
62 # We do not use PySys_SetArgvEx because it did not appear until 2.6.6.
65 # Initial pretty printers.
68 # Initial type printers.
70 # Initial xmethod matchers.
72 # Initial frame filters.
74 # Initial frame unwinders.
77 def execute_unwinders(pending_frame
):
78 """Internal function called from GDB to execute all unwinders.
80 Runs each currently enabled unwinder until it finds the one that
81 can unwind given frame.
84 pending_frame: gdb.PendingFrame instance.
86 gdb.UnwindInfo instance or None.
88 for objfile
in _gdb
.objfiles():
89 for unwinder
in objfile
.frame_unwinders
:
91 unwind_info
= unwinder(pending_frame
)
92 if unwind_info
is not None:
95 current_progspace
= _gdb
.current_progspace()
96 for unwinder
in current_progspace
.frame_unwinders
:
98 unwind_info
= unwinder(pending_frame
)
99 if unwind_info
is not None:
102 for unwinder
in frame_unwinders
:
104 unwind_info
= unwinder(pending_frame
)
105 if unwind_info
is not None:
111 # Convenience variable to GDB's python directory
112 PYTHONDIR
= os
.path
.dirname(os
.path
.dirname(__file__
))
114 # Auto-load all functions/commands.
116 # Packages to auto-load.
124 # pkgutil.iter_modules is not available prior to Python 2.6. Instead,
125 # manually iterate the list, collating the Python files in each module
126 # path. Construct the module name, and import.
128 def auto_load_packages():
129 for package
in packages
:
130 location
= os
.path
.join(os
.path
.dirname(__file__
), package
)
131 if os
.path
.exists(location
):
132 py_files
= filter(lambda x
: x
.endswith('.py')
133 and x
!= '__init__.py',
134 os
.listdir(location
))
136 for py_file
in py_files
:
137 # Construct from foo.py, gdb.module.foo
138 modname
= "%s.%s.%s" % ( __name__
, package
, py_file
[:-3] )
140 if modname
in sys
.modules
:
141 # reload modules with duplicate names
142 reload(__import__(modname
))
146 sys
.stderr
.write (traceback
.format_exc() + "\n")
150 def GdbSetPythonDirectory(dir):
151 """Update sys.path, reload gdb and auto-load packages."""
155 sys
.path
.remove(PYTHONDIR
)
158 sys
.path
.insert(0, dir)
162 # note that reload overwrites the gdb module without deleting existing
164 reload(__import__(__name__
))
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