[linux-x86 aarch64] GCC 4.8 / Binutils 2.24 / GDB 7.7 refresh
Change-Id: I30d0fef6bd39e095a8264e20574fa5a46f50c045
diff --git a/share/gdb/python/gdb/command/frame_filters.py b/share/gdb/python/gdb/command/frame_filters.py
new file mode 100644
index 0000000..450c5bf
--- /dev/null
+++ b/share/gdb/python/gdb/command/frame_filters.py
@@ -0,0 +1,467 @@
+# Frame-filter commands.
+# Copyright (C) 2013-2014 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+"""GDB commands for working with frame-filters."""
+
+import sys
+import gdb
+import copy
+from gdb.FrameIterator import FrameIterator
+from gdb.FrameDecorator import FrameDecorator
+import gdb.frames
+import itertools
+
+# GDB Commands.
+class SetFilterPrefixCmd(gdb.Command):
+ """Prefix command for 'set' frame-filter related operations."""
+
+ def __init__(self):
+ super(SetFilterPrefixCmd, self).__init__("set frame-filter",
+ gdb.COMMAND_OBSCURE,
+ gdb.COMPLETE_NONE, True)
+
+class ShowFilterPrefixCmd(gdb.Command):
+ """Prefix command for 'show' frame-filter related operations."""
+ def __init__(self):
+ super(ShowFilterPrefixCmd, self).__init__("show frame-filter",
+ gdb.COMMAND_OBSCURE,
+ gdb.COMPLETE_NONE, True)
+class InfoFrameFilter(gdb.Command):
+ """List all registered Python frame-filters.
+
+ Usage: info frame-filters
+ """
+
+ def __init__(self):
+ super(InfoFrameFilter, self).__init__("info frame-filter",
+ gdb.COMMAND_DATA)
+ @staticmethod
+ def enabled_string(state):
+ """Return "Yes" if filter is enabled, otherwise "No"."""
+ if state:
+ return "Yes"
+ else:
+ return "No"
+
+ def list_frame_filters(self, frame_filters):
+ """ Internal worker function to list and print frame filters
+ in a dictionary.
+
+ Arguments:
+ frame_filters: The name of the dictionary, as
+ specified by GDB user commands.
+ """
+
+ sorted_frame_filters = sorted(frame_filters.items(),
+ key=lambda i: gdb.frames.get_priority(i[1]),
+ reverse=True)
+
+ if len(sorted_frame_filters) == 0:
+ print(" No frame filters registered.")
+ else:
+ print(" Priority Enabled Name")
+ for frame_filter in sorted_frame_filters:
+ name = frame_filter[0]
+ try:
+ priority = '{:<8}'.format(
+ str(gdb.frames.get_priority(frame_filter[1])))
+ enabled = '{:<7}'.format(
+ self.enabled_string(gdb.frames.get_enabled(frame_filter[1])))
+ except Exception:
+ e = sys.exc_info()[1]
+ print(" Error printing filter '"+name+"': "+str(e))
+ else:
+ print(" %s %s %s" % (priority, enabled, name))
+
+ def print_list(self, title, filter_list, blank_line):
+ print(title)
+ self.list_frame_filters(filter_list)
+ if blank_line:
+ print("")
+
+ def invoke(self, arg, from_tty):
+ self.print_list("global frame-filters:", gdb.frame_filters, True)
+
+ cp = gdb.current_progspace()
+ self.print_list("progspace %s frame-filters:" % cp.filename,
+ cp.frame_filters, True)
+
+ for objfile in gdb.objfiles():
+ self.print_list("objfile %s frame-filters:" % objfile.filename,
+ objfile.frame_filters, False)
+
+# Internal enable/disable functions.
+
+def _enable_parse_arg(cmd_name, arg):
+ """ Internal worker function to take an argument from
+ enable/disable and return a tuple of arguments.
+
+ Arguments:
+ cmd_name: Name of the command invoking this function.
+ args: The argument as a string.
+
+ Returns:
+ A tuple containing the dictionary, and the argument, or just
+ the dictionary in the case of "all".
+ """
+
+ argv = gdb.string_to_argv(arg);
+ argc = len(argv)
+ if argv[0] == "all" and argc > 1:
+ raise gdb.GdbError(cmd_name + ": with 'all' " \
+ "you may not specify a filter.")
+ else:
+ if argv[0] != "all" and argc != 2:
+ raise gdb.GdbError(cmd_name + " takes exactly two arguments.")
+
+ return argv
+
+def _do_enable_frame_filter(command_tuple, flag):
+ """Worker for enabling/disabling frame_filters.
+
+ Arguments:
+ command_type: A tuple with the first element being the
+ frame filter dictionary, and the second being
+ the frame filter name.
+ flag: True for Enable, False for Disable.
+ """
+
+ list_op = command_tuple[0]
+ op_list = gdb.frames.return_list(list_op)
+
+ if list_op == "all":
+ for item in op_list:
+ gdb.frames.set_enabled(item, flag)
+ else:
+ frame_filter = command_tuple[1]
+ try:
+ ff = op_list[frame_filter]
+ except KeyError:
+ msg = "frame-filter '" + str(name) + "' not found."
+ raise gdb.GdbError(msg)
+
+ gdb.frames.set_enabled(ff, flag)
+
+def _complete_frame_filter_list(text, word, all_flag):
+ """Worker for frame filter dictionary name completion.
+
+ Arguments:
+ text: The full text of the command line.
+ word: The most recent word of the command line.
+ all_flag: Whether to include the word "all" in completion.
+
+ Returns:
+ A list of suggested frame filter dictionary name completions
+ from text/word analysis. This list can be empty when there
+ are no suggestions for completion.
+ """
+ if all_flag == True:
+ filter_locations = ["all", "global", "progspace"]
+ else:
+ filter_locations = ["global", "progspace"]
+ for objfile in gdb.objfiles():
+ filter_locations.append(objfile.filename)
+
+ # If the user just asked for completions with no completion
+ # hints, just return all the frame filter dictionaries we know
+ # about.
+ if (text == ""):
+ return filter_locations
+
+ # Otherwise filter on what we know.
+ flist = filter(lambda x,y=text:x.startswith(y), filter_locations)
+
+ # If we only have one completion, complete it and return it.
+ if len(flist) == 1:
+ flist[0] = flist[0][len(text)-len(word):]
+
+ # Otherwise, return an empty list, or a list of frame filter
+ # dictionaries that the previous filter operation returned.
+ return flist
+
+def _complete_frame_filter_name(word, printer_dict):
+ """Worker for frame filter name completion.
+
+ Arguments:
+
+ word: The most recent word of the command line.
+
+ printer_dict: The frame filter dictionary to search for frame
+ filter name completions.
+
+ Returns: A list of suggested frame filter name completions
+ from word analysis of the frame filter dictionary. This list
+ can be empty when there are no suggestions for completion.
+ """
+
+ printer_keys = printer_dict.keys()
+ if (word == ""):
+ return printer_keys
+
+ flist = filter(lambda x,y=word:x.startswith(y), printer_keys)
+ return flist
+
+class EnableFrameFilter(gdb.Command):
+ """GDB command to disable the specified frame-filter.
+
+ Usage: enable frame-filter enable DICTIONARY [NAME]
+
+ DICTIONARY is the name of the frame filter dictionary on which to
+ operate. If dictionary is set to "all", perform operations on all
+ dictionaries. Named dictionaries are: "global" for the global
+ frame filter dictionary, "progspace" for the program space's frame
+ filter dictionary. If either all, or the two named dictionaries
+ are not specified, the dictionary name is assumed to be the name
+ of the object-file name.
+
+ NAME matches the name of the frame-filter to operate on. If
+ DICTIONARY is "all", NAME is ignored.
+ """
+ def __init__(self):
+ super(EnableFrameFilter, self).__init__("enable frame-filter",
+ gdb.COMMAND_DATA)
+ def complete(self, text, word):
+ """Completion function for both frame filter dictionary, and
+ frame filter name."""
+ if text.count(" ") == 0:
+ return _complete_frame_filter_list(text, word, True)
+ else:
+ printer_list = gdb.frames.return_list(text.split()[0].rstrip())
+ return _complete_frame_filter_name(word, printer_list)
+
+ def invoke(self, arg, from_tty):
+ command_tuple = _enable_parse_arg("enable frame-filter", arg)
+ _do_enable_frame_filter(command_tuple, True)
+
+
+class DisableFrameFilter(gdb.Command):
+ """GDB command to disable the specified frame-filter.
+
+ Usage: disable frame-filter disable DICTIONARY [NAME]
+
+ DICTIONARY is the name of the frame filter dictionary on which to
+ operate. If dictionary is set to "all", perform operations on all
+ dictionaries. Named dictionaries are: "global" for the global
+ frame filter dictionary, "progspace" for the program space's frame
+ filter dictionary. If either all, or the two named dictionaries
+ are not specified, the dictionary name is assumed to be the name
+ of the object-file name.
+
+ NAME matches the name of the frame-filter to operate on. If
+ DICTIONARY is "all", NAME is ignored.
+ """
+ def __init__(self):
+ super(DisableFrameFilter, self).__init__("disable frame-filter",
+ gdb.COMMAND_DATA)
+
+ def complete(self, text, word):
+ """Completion function for both frame filter dictionary, and
+ frame filter name."""
+ if text.count(" ") == 0:
+ return _complete_frame_filter_list(text, word, True)
+ else:
+ printer_list = gdb.frames.return_list(text.split()[0].rstrip())
+ return _complete_frame_filter_name(word, printer_list)
+
+ def invoke(self, arg, from_tty):
+ command_tuple = _enable_parse_arg("disable frame-filter", arg)
+ _do_enable_frame_filter(command_tuple, False)
+
+class SetFrameFilterPriority(gdb.Command):
+ """GDB command to set the priority of the specified frame-filter.
+
+ Usage: set frame-filter priority DICTIONARY NAME PRIORITY
+
+ DICTIONARY is the name of the frame filter dictionary on which to
+ operate. Named dictionaries are: "global" for the global frame
+ filter dictionary, "progspace" for the program space's framefilter
+ dictionary. If either of these two are not specified, the
+ dictionary name is assumed to be the name of the object-file name.
+
+ NAME matches the name of the frame filter to operate on.
+
+ PRIORITY is the an integer to assign the new priority to the frame
+ filter.
+ """
+
+ def __init__(self):
+ super(SetFrameFilterPriority, self).__init__("set frame-filter " \
+ "priority",
+ gdb.COMMAND_DATA)
+
+ def _parse_pri_arg(self, arg):
+ """Internal worker to parse a priority from a tuple.
+
+ Arguments:
+ arg: Tuple which contains the arguments from the command.
+
+ Returns:
+ A tuple containing the dictionary, name and priority from
+ the arguments.
+
+ Raises:
+ gdb.GdbError: An error parsing the arguments.
+ """
+
+ argv = gdb.string_to_argv(arg);
+ argc = len(argv)
+ if argc != 3:
+ print("set frame-filter priority " \
+ "takes exactly three arguments.")
+ return None
+
+ return argv
+
+ def _set_filter_priority(self, command_tuple):
+ """Internal worker for setting priority of frame-filters, by
+ parsing a tuple and calling _set_priority with the parsed
+ tuple.
+
+ Arguments:
+ command_tuple: Tuple which contains the arguments from the
+ command.
+ """
+
+ list_op = command_tuple[0]
+ frame_filter = command_tuple[1]
+
+ # GDB returns arguments as a string, so convert priority to
+ # a number.
+ priority = int(command_tuple[2])
+
+ op_list = gdb.frames.return_list(list_op)
+
+ try:
+ ff = op_list[frame_filter]
+ except KeyError:
+ msg = "frame-filter '" + str(name) + "' not found."
+ raise gdb.GdbError(msg)
+
+ gdb.frames.set_priority(ff, priority)
+
+ def complete(self, text, word):
+ """Completion function for both frame filter dictionary, and
+ frame filter name."""
+ if text.count(" ") == 0:
+ return _complete_frame_filter_list(text, word, False)
+ else:
+ printer_list = gdb.frames.return_list(text.split()[0].rstrip())
+ return _complete_frame_filter_name(word, printer_list)
+
+ def invoke(self, arg, from_tty):
+ command_tuple = self._parse_pri_arg(arg)
+ if command_tuple != None:
+ self._set_filter_priority(command_tuple)
+
+class ShowFrameFilterPriority(gdb.Command):
+ """GDB command to show the priority of the specified frame-filter.
+
+ Usage: show frame-filter priority DICTIONARY NAME
+
+ DICTIONARY is the name of the frame filter dictionary on which to
+ operate. Named dictionaries are: "global" for the global frame
+ filter dictionary, "progspace" for the program space's framefilter
+ dictionary. If either of these two are not specified, the
+ dictionary name is assumed to be the name of the object-file name.
+
+ NAME matches the name of the frame-filter to operate on.
+ """
+
+ def __init__(self):
+ super(ShowFrameFilterPriority, self).__init__("show frame-filter " \
+ "priority",
+ gdb.COMMAND_DATA)
+
+ def _parse_pri_arg(self, arg):
+ """Internal worker to parse a dictionary and name from a
+ tuple.
+
+ Arguments:
+ arg: Tuple which contains the arguments from the command.
+
+ Returns:
+ A tuple containing the dictionary, and frame filter name.
+
+ Raises:
+ gdb.GdbError: An error parsing the arguments.
+ """
+
+ argv = gdb.string_to_argv(arg);
+ argc = len(argv)
+ if argc != 2:
+ print("show frame-filter priority " \
+ "takes exactly two arguments.")
+ return None
+
+ return argv
+
+ def get_filter_priority(self, frame_filters, name):
+ """Worker for retrieving the priority of frame_filters.
+
+ Arguments:
+ frame_filters: Name of frame filter dictionary.
+ name: object to select printers.
+
+ Returns:
+ The priority of the frame filter.
+
+ Raises:
+ gdb.GdbError: A frame filter cannot be found.
+ """
+
+ op_list = gdb.frames.return_list(frame_filters)
+
+ try:
+ ff = op_list[name]
+ except KeyError:
+ msg = "frame-filter '" + str(name) + "' not found."
+ raise gdb.GdbError(msg)
+
+ return gdb.frames.get_priority(ff)
+
+ def complete(self, text, word):
+ """Completion function for both frame filter dictionary, and
+ frame filter name."""
+
+ if text.count(" ") == 0:
+ return _complete_frame_filter_list(text, word, False)
+ else:
+ printer_list = frame._return_list(text.split()[0].rstrip())
+ return _complete_frame_filter_name(word, printer_list)
+
+ def invoke(self, arg, from_tty):
+ command_tuple = self._parse_pri_arg(arg)
+ if command_tuple == None:
+ return
+ filter_name = command_tuple[1]
+ list_name = command_tuple[0]
+ try:
+ priority = self.get_filter_priority(list_name, filter_name);
+ except Exception:
+ e = sys.exc_info()[1]
+ print("Error printing filter priority for '"+name+"':"+str(e))
+ else:
+ print("Priority of filter '" + filter_name + "' in list '" \
+ + list_name + "' is: " + str(priority))
+
+# Register commands
+SetFilterPrefixCmd()
+ShowFilterPrefixCmd()
+InfoFrameFilter()
+EnableFrameFilter()
+DisableFrameFilter()
+SetFrameFilterPriority()
+ShowFrameFilterPriority()