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> > diff --git a/gdb/python/py-unwind.c b/gdb/python/py-unwind.c ... > Also, we need another class: gdb.FrameID. > I'm not sure whether to implement it in C or Python. The code now accepts any object having 'sp' and possibly 'pc' and 'special' attributes. IMHO there is no need to have a base class for this. > There's some ambiguity on whether the Python error indicator will > or will not be set on return. Currently, sometimes it will and sometimes > it won't. I think the code is such that it won't matter today, but > it would be good to either clear the error or at least document > that the Python error indicator may or may not be set on return > if the result is zero. I have documented which internal functions are set Python error. New revision: gdb/ChangeLog 2015-03-28 Sasha Smundak <asmundak@google.com> * Makefile.in (SUBDIR_PYTHON_OBJS): Add py-unwind.o. (SUBDIR_PYTHON_SRCS): Add py-unwind.c. (py-unwind.o): New recipe. * NEWS: mention Python frame unwinding. * data-directory/Makefile.in (PYTHON_FILE_LIST): Add gdb/unwinder.py and gdb/command/unwinder.py * doc/python.texi (Writing a Frame Unwinder in Python): Add section. * python/lib/gdb/__init__.py (packages): Add frame_unwinders list. (execute_unwinders): New function. * python/lib/gdb/command/unwinders.py: New file. * python/lib/gdb/unwinder.py: New file. * python/py-objfile.c (objfile_object): Add frame_unwinders field. (objfpy_dealloc): Decrement frame_unwinders reference count. (objfpy_initialize): Create frame_unwinders list. (objfpy_get_frame_unwinders): New function. (objfpy_set_frame_unwinders): Ditto. (objfile_getset): Add frame_unwinders attribute to Objfile. * python/py-progspace.c (pspace_object): Add frame_unwinders field. (pspy_dealloc): Decrement frame_unwinders reference count. (pspy_initialize): Create frame_unwinders list. (pspy_get_frame_unwinders): New function. (pspy_set_frame_unwinders): Ditto. (pspy_getset): Add frame_unwinders attribute to gdb.Progspace. * python/py-unwind.c: New file. * python/python-internal.h (pspy_get_name_unwinders): New prototype. (objpy_get_frame_unwinders): New prototype. (gdbpy_initialize_unwind): New prototype. * python/python.c (gdbpy_apply_type_printers): Call gdbpy_initialize_unwind. gdb/testsuite/ChangeLog 2015-03-28 Sasha Smundak <asmundak@google.com> * gdb.python/py-unwind-maint.c: New file. * gdb.python/py-unwind-maint.exp: New test. * gdb.python/py-unwind-maint.py: New file. * gdb.python/py-unwind.c: New file. * gdb.python/py-unwind.exp: New test. * gdb.python/py-unwind.py: New test.
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