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Add support for writing unwinders in Python.

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gdb/ChangeLog:

	* 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
	* 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/doc/ChangeLog:

	* doc/python.texi (Writing a Frame Unwinder in Python): Add
	section.

gdb/testsuite/ChangeLog:

	* 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.
This commit is contained in:
Sasha Smundak
2015-04-01 11:49:12 -07:00
committed by Doug Evans
parent 79730a3b26
commit d11916aa89
21 changed files with 1808 additions and 2 deletions
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4
gdb/python/python-internal.h
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@ -391,12 +391,14 @@ PyObject *pspace_to_pspace_object (struct program_space *)
CPYCHECKER_RETURNS_BORROWED_REF;
PyObject *pspy_get_printers (PyObject *, void *);
PyObject *pspy_get_frame_filters (PyObject *, void *);
PyObject *pspy_get_frame_unwinders (PyObject *, void *);
PyObject *pspy_get_xmethods (PyObject *, void *);
PyObject *objfile_to_objfile_object (struct objfile *)
CPYCHECKER_RETURNS_BORROWED_REF;
PyObject *objfpy_get_printers (PyObject *, void *);
PyObject *objfpy_get_frame_filters (PyObject *, void *);
PyObject *objfpy_get_frame_unwinders (PyObject *, void *);
PyObject *objfpy_get_xmethods (PyObject *, void *);
PyObject *gdbpy_lookup_objfile (PyObject *self, PyObject *args, PyObject *kw);
@ -491,6 +493,8 @@ int gdbpy_initialize_arch (void)
CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
int gdbpy_initialize_xmethods (void)
CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
int gdbpy_initialize_unwind (void)
CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
struct cleanup *make_cleanup_py_decref (PyObject *py);
struct cleanup *make_cleanup_py_xdecref (PyObject *py);