forked from Imagelibrary/binutils-gdb
61baf725ec
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
166 lines
4.5 KiB
Python
166 lines
4.5 KiB
Python
# Copyright (C) 2010-2017 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import traceback
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import os
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import sys
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import _gdb
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if sys.version_info[0] > 2:
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# Python 3 moved "reload"
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from imp import reload
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from _gdb import *
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class _GdbFile (object):
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# These two are needed in Python 3
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encoding = "UTF-8"
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errors = "strict"
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def close(self):
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# Do nothing.
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return None
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def isatty(self):
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return False
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def writelines(self, iterable):
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for line in iterable:
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self.write(line)
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def flush(self):
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flush()
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class GdbOutputFile (_GdbFile):
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def write(self, s):
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write(s, stream=STDOUT)
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sys.stdout = GdbOutputFile()
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class GdbOutputErrorFile (_GdbFile):
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def write(self, s):
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write(s, stream=STDERR)
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sys.stderr = GdbOutputErrorFile()
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# Default prompt hook does nothing.
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prompt_hook = None
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# Ensure that sys.argv is set to something.
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# We do not use PySys_SetArgvEx because it did not appear until 2.6.6.
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sys.argv = ['']
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# Initial pretty printers.
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pretty_printers = []
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# Initial type printers.
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type_printers = []
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# Initial xmethod matchers.
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xmethods = []
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# Initial frame filters.
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frame_filters = {}
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# Initial frame unwinders.
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frame_unwinders = []
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def execute_unwinders(pending_frame):
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"""Internal function called from GDB to execute all unwinders.
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Runs each currently enabled unwinder until it finds the one that
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can unwind given frame.
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Arguments:
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pending_frame: gdb.PendingFrame instance.
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Returns:
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gdb.UnwindInfo instance or None.
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"""
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for objfile in _gdb.objfiles():
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for unwinder in objfile.frame_unwinders:
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if unwinder.enabled:
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unwind_info = unwinder(pending_frame)
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if unwind_info is not None:
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return unwind_info
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current_progspace = _gdb.current_progspace()
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for unwinder in current_progspace.frame_unwinders:
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if unwinder.enabled:
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unwind_info = unwinder(pending_frame)
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if unwind_info is not None:
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return unwind_info
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for unwinder in frame_unwinders:
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if unwinder.enabled:
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unwind_info = unwinder(pending_frame)
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if unwind_info is not None:
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return unwind_info
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return None
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# Convenience variable to GDB's python directory
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PYTHONDIR = os.path.dirname(os.path.dirname(__file__))
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# Auto-load all functions/commands.
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# Packages to auto-load.
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packages = [
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'function',
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'command',
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'printer'
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]
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# pkgutil.iter_modules is not available prior to Python 2.6. Instead,
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# manually iterate the list, collating the Python files in each module
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# path. Construct the module name, and import.
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def auto_load_packages():
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for package in packages:
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location = os.path.join(os.path.dirname(__file__), package)
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if os.path.exists(location):
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py_files = filter(lambda x: x.endswith('.py')
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and x != '__init__.py',
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os.listdir(location))
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for py_file in py_files:
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# Construct from foo.py, gdb.module.foo
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modname = "%s.%s.%s" % ( __name__, package, py_file[:-3] )
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try:
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if modname in sys.modules:
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# reload modules with duplicate names
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reload(__import__(modname))
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else:
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__import__(modname)
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except:
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sys.stderr.write (traceback.format_exc() + "\n")
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auto_load_packages()
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def GdbSetPythonDirectory(dir):
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"""Update sys.path, reload gdb and auto-load packages."""
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global PYTHONDIR
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try:
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sys.path.remove(PYTHONDIR)
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except ValueError:
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pass
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sys.path.insert(0, dir)
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PYTHONDIR = dir
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# note that reload overwrites the gdb module without deleting existing
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# attributes
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reload(__import__(__name__))
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auto_load_packages()
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