2013-05-10  Phil Muldoon  <pmuldoon@redhat.com>

	* stack.c (backtrace_command_1): Add "no-filters", and Python frame
	filter logic.
	(backtrace_command): Add "no-filters" option parsing.
	(_initialize_stack): Alter help to reflect "no-filters" option.
	* Makefile.in (SUBDIR_PYTHON_OBS): Add py-framefilter.o
	(SUBDIR_PYTHON_SRCS): Add py-framefilter.c
	(py-frame.o): Add target
	* data-directory/Makefile.in (PYTHON_DIR): Add Python frame
	filter files.
	* python/python.h: Add new frame filter constants, and flag enum.
	(apply_frame_filter): Add definition.
	* python/python.c (apply_frame_filter): New non-Python
	enabled function.
	* python/py-utils.c (py_xdecref): New function.
	(make_cleanup_py_xdecref): Ditto.
	* python/py-objfile.c: Declare frame_filters dictionary.
	(objfpy_dealloc): Add frame_filters dealloc.
	(objfpy_new): Initialize frame_filters attribute.
	(objfile_to_objfile_object): Ditto.
	(objfpy_get_frame_filters): New function.
	(objfpy_set_frame_filters): New function.
	* python/py-progspace.c: Declare frame_filters dictionary.
	(pspy_dealloc): Add frame_filters dealloc.
	(pspy_new): Initialize frame_filters attribute.
	(pspacee_to_pspace_object): Ditto.
	(pspy_get_frame_filters): New function.
	(pspy_set_frame_filters): New function.
	* python/py-framefilter.c: New file.
	* python/lib/gdb/command/frame_filters.py: New file.
	* python/lib/gdb/frames.py: New file.
	* python/lib/gdb/__init__.py: Initialize global frame_filters
	dictionary
	* python/lib/gdb/FrameDecorator.py: New file.
	* python/lib/gdb/FrameIterator.py: New file.
	* mi/mi-cmds.c (mi_cmds): Add frame filters command.
	* mi/mi-cmds.h: Declare.
	* mi/mi-cmd-stack.c (mi_cmd_stack_list_frames): Add
	--no-frame-filter logic, and Python frame filter logic.
	(stack_enable_frame_filters): New function.
	(parse_no_frame_option): Ditto.
	(mi_cmd_stack_list_frames): Add --no-frame-filter and Python frame
	filter logic.
	(mi_cmd_stack_list_locals): Ditto.
	(mi_cmd_stack_list_args): Ditto.
	(mi_cmd_stack_list_variables): Ditto.
	* NEWS: Add frame filter note.

2013-05-10  Phil Muldoon  <pmuldoon@redhat.com>

	* gdb.python/py-framefilter.py: New File.
	* gdb.python/py-framefilter-mi.exp: Ditto.
	* gdb.python/py-framefilter.c: Ditto.
	* gdb.python/py-framefilter-mi.exp: Ditto.
	* gdb.python/py-framefilter-mi.c: Ditto,
	* gdb.python/py-framefilter-gdb.py.in: Ditto.

2013-05-10 Phil Muldoon  <pmuldoon@redhat.com>

	* gdb.texinfo (Backtrace): Add "no-filter" argument.
	(Python API): Add Frame	Filters API, Frame Wrapper API,
	Writing a Frame Filter/Wrapper,	Managing Management of Frame
	Filters chapter entries.
	(Frame Filters API): New Node.
	(Frame Wrapper API): New Node.
	(Writing a Frame Filter): New Node.
	(Managing Frame Filters): New Node.
	(Progspaces In Python): Add note about frame_filters attribute.
	(Objfiles in Python): Ditto.
	(GDB/MI Stack Manipulation): Add -enable-frame-filters command,
	@anchors and --no-frame-filters option to -stack-list-variables,
	-stack-list-frames, -stack-list-locals and -stack-list-arguments
	commands.