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Tom Tromey e0f3fd7c44 PR python/19293 - invalidate frame cache when unwinders change 
PR python/19293 notes that when a Python unwinder is disabled, the
frame cache is not invalidated.  This means that disabling an unwinder
doesn't have any immediate effect -- but in my experience it's often
the case that I want to enable or disable an unwinder in order to see
what happens.

This patch adds a new gdb.invalidate_cached_frames function and
arranges for the relevant bits of library code to call it.  I've only
partially documented this function, considering a warning sufficient
without going into all the reasons ordinary code should not call it.
The name of the new function was taken from a comment in frame.h next
to reinit_frame_cache.

No new test as I think the updates to the existing test are sufficient
to show that the code is working as intended.

Built and regtested on x86-64 Fedora 23.

2016-07-12  Tom Tromey  <tom@tromey.com>

	PR python/19293:
	* python/lib/gdb/command/unwinders.py (do_enable_unwinder): Call
	gdb.invalidate_cached_frames.
	* python/lib/gdb/unwinder.py (register_unwinder): Call
	gdb.invalidate_cached_frames.
	* python/python.c (gdbpy_invalidate_cached_frames): New function.
	(python_GdbMethods): Add entry for invalidate_cached_frames.

2016-07-12  Tom Tromey  <tom@tromey.com>

	PR python/19293:
	* python.texi (Frames In Python): Document
	gdb.invalidate_cached_frames.

2016-07-12  Tom Tromey  <tom@tromey.com>

	PR python/19293:
	* gdb.python/py-unwind-maint.exp: Update tests.
2016-07-12 13:56:07 -06:00
..
amd64-py-framefilter-invalidarg.S GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
lib-types.cc GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
lib-types.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-arch.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-arch.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-as-string.c Add $_as_string convenience function 2016-03-10 17:12:30 -05:00
py-as-string.exp Add $_as_string convenience function 2016-03-10 17:12:30 -05:00
py-bad-printers.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-bad-printers.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-bad-printers.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-block.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-block.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-breakpoint-create-fail.c Fix use of a dangling pointer for Python breakpoint objects 2016-06-27 12:11:25 +02:00
py-breakpoint-create-fail.exp Fix use of a dangling pointer for Python breakpoint objects 2016-06-27 12:11:25 +02:00
py-breakpoint-create-fail.py Fix use of a dangling pointer for Python breakpoint objects 2016-06-27 12:11:25 +02:00
py-breakpoint.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-breakpoint.exp Fix PR python/17981 2016-05-24 09:55:01 -06:00
py-caller-is.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-caller-is.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-cmd.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-completion.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-error.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-events-shlib.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-events.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-explore.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-explore.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-finish-breakpoint.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-finish-breakpoint.exp Rename gdb_load_shlibs to gdb_load_shlib 2016-04-27 18:09:14 -04:00
py-finish-breakpoint.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-finish-breakpoint2.cc GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-finish-breakpoint2.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-frame-args.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-frame-args.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-frame-inline.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-frame.c
py-frame.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-framefilter-gdb.py.in GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-framefilter-invalidarg-gdb.py.in GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-framefilter-invalidarg.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-framefilter-invalidarg.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-framefilter-mi.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-framefilter-mi.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-framefilter.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-framefilter.exp Fix PR python/20129 - use of non-existing variable 2016-06-29 10:18:38 -06:00
py-framefilter.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-function.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-inferior.c
py-inferior.exp Reapply: List inferiors/threads/pspaces in ascending order 2016-01-12 01:12:38 +00:00
py-infthread.c
py-infthread.exp Add Python InferiorThread.global_num attribute 2016-01-13 11:00:54 +00:00
py-lazy-string.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-lazy-string.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-linetable.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-linetable.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-linetable.S GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-lookup-type.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-mi-events-gdb.py Prepare gdb.python/mi-py-events.exp for Python/MI in separate channels 2016-06-21 01:11:43 +01:00
py-mi-events.c python: Use console format for output of gdb.execute command 2016-03-31 15:32:38 +03:00
py-mi-events.exp Prepare gdb.python/mi-py-events.exp for Python/MI in separate channels 2016-06-21 01:11:43 +01:00
py-mi-objfile-gdb.py testsuite: Update py-mi-objfile to expect console format print 2016-04-06 09:39:16 +03:00
py-mi-objfile.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-mi-objfile.exp testsuite: Update py-mi-objfile to expect console format print 2016-04-06 09:39:16 +03:00
py-mi.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-objfile-script-gdb.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-objfile-script.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-objfile-script.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-objfile.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-objfile.exp Fix PR python/19438, PR python/18393 - initialize dictionaries 2016-05-23 10:08:34 -06:00
py-parameter.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-pp-integral.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-pp-integral.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-pp-integral.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-pp-maint.c Fix sorting of enum values in FlagEnumerationPrinter 2016-01-20 13:44:33 -05:00
py-pp-maint.exp Fix sorting of enum values in FlagEnumerationPrinter 2016-01-20 13:44:33 -05:00
py-pp-maint.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-pp-re-notag.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-pp-re-notag.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-pp-re-notag.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-pp-registration.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-pp-registration.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-prettyprint.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-prettyprint.exp GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-prettyprint.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-progspace.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-progspace.exp Fix PR python/19438, PR python/18393 - initialize dictionaries 2016-05-23 10:08:34 -06:00
py-prompt.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-section-script.c [testsuite] @progbits -> %progbits 2016-01-18 14:30:23 +00:00
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py-shared.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-shared.exp Fix PR python/18984 2016-06-02 13:18:42 -06:00
py-strfns.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-sync-interp.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-typeprint.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-unwind-maint.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-unwind-maint.exp PR python/19293 - invalidate frame cache when unwinders change 2016-07-12 13:56:07 -06:00
py-unwind-maint.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-unwind.c GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-unwind.py GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
py-value-cc.cc GDB copyright headers update after running GDB's copyright.py script. 2016-01-01 08:43:22 +04:00
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py-value.exp Fix PR python/17386 - add __index__ method to gdb.Value 2016-05-24 10:05:59 -06:00
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