2011-02-05 05:27:23 +00:00
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/* Python interface to inferior events.
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2015-01-01 09:32:14 +00:00
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Copyright (C) 2009-2015 Free Software Foundation, Inc.
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2011-02-05 05:27:23 +00:00
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GDB_PY_EVENTS_H
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#define GDB_PY_EVENTS_H
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#include "command.h"
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#include "python-internal.h"
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#include "inferior.h"
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2013-05-20 20:09:01 +00:00
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extern PyTypeObject thread_event_object_type
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CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
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2011-02-05 05:27:23 +00:00
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/* Stores a list of objects to be notified when the event for which this
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registry tracks occurs. */
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typedef struct
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{
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PyObject_HEAD
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PyObject *callbacks;
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} eventregistry_object;
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/* Struct holding references to event registries both in python and c.
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This is meant to be a singleton. */
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typedef struct
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{
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eventregistry_object *stop;
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eventregistry_object *cont;
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eventregistry_object *exited;
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2011-10-07 07:38:30 +00:00
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eventregistry_object *new_objfile;
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2014-10-17 18:12:17 +00:00
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eventregistry_object *clear_objfiles;
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New python events: inferior call, register/memory changed.
gdb/ChangeLog:
* NEWS: Mention new Python events.
* Makefile.in (SUBDIR_PYTHON_OBS): Add py-infevents.o.
(SUBDIR_PYTHON_SRCS): Add py-infevents.c.
(py-infevents.o): New rule.
* doc/observer.texi (inferior_call_pre, inferior_call_post)
(memory_changed, register_changed): New observers.
* infcall.c (call_function_by_hand): Notify observer before and
after inferior call.
* python/py-event.h (inferior_call_kind): New enum.
(emit_inferior_call_event): New prototype.
(emit_register_changed_event): New prototype.
(emit_memory_changed_event): New prototype.
* python/py-events.h (events_object): New registries
inferior_call, memory_changed and register_changed.
* python/py-evts.c (gdbpy_initialize_py_events): Add the
inferior_call, memory_changed and register_changed registries.
* python/py-infevents.c: New.
* python/py-inferior.c (python_on_inferior_call_pre)
(python_on_inferior_call_post, python_on_register_change)
(python_on_memory_change): New functions.
(gdbpy_initialize_inferior): Attach python handler to new
observers.
* python/py-infthread.c(gdbpy_create_ptid_object): New.
(thpy_get_ptid) Use gdbpy_create_ptid_object.
* python/python-internal.h:
(gdbpy_create_ptid_object)
(gdbpy_initialize_inferior_call_pre_event)
(gdbpy_initialize_inferior_call_post_event)
(gdbpy_initialize_register_changed_event)
(gdbpy_initialize_memory_changed_event): New prototypes.
* python/python.c (_initialize_python): Initialize new events.
* valops.c (value_assign): Notify register_changed observer.
gdb/doc/ChangeLog:
* python.texi (Events In Python): Document new events
InferiorCallPreEvent, InferiorCallPostEvent, MemoryChangedEvent
and RegisterChangedEvent.
gdb/testsuite/ChangeLog:
* gdb.python/py-events.py (inferior_call_handler): New.
(register_changed_handler, memory_changed_handler): New.
(test_events.invoke): Register new handlers.
* gdb.python/py-events.exp: Add tests for inferior call,
memory_changed and register_changed events.
2014-12-02 19:15:29 +00:00
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eventregistry_object *inferior_call;
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eventregistry_object *memory_changed;
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eventregistry_object *register_changed;
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2011-02-05 05:27:23 +00:00
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PyObject *module;
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} events_object;
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/* Python events singleton. */
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2011-06-16 05:54:09 +00:00
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extern events_object gdb_py_events;
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2011-02-05 05:27:23 +00:00
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extern eventregistry_object *create_eventregistry_object (void);
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extern int evregpy_no_listeners_p (eventregistry_object *registry);
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#endif /* GDB_PY_EVENTS_H */
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