old-cross-binutils/gdb/python/py-evts.c
Doug Evans 4ffbba72f3 New python event "clear_objfiles".
If one is watching new_objfile events in python, it helps to know
when the list of objfiles is cleared.  This patch adds a new
clear_objfiles event to support this.

This patch is all just cut-n-paste-n-tweak derived from
the new_objfiles event.

gdb/ChangeLog:

	* NEWS: Mention new event gdb.clear_objfiles.
	* python/py-event.h (emit_clear_objfiles_event): Clear
	* python/py-events.h (events_object): New member clear_objfiles.
	* python/py-evts.c (gdbpy_initialize_py_events): Add clear_objfiles
	event.
	* python/py-inferior.c (python_new_objfile): If objfile is NULL,
	emit clear_objfiles event.
	* python/py-newobjfileevent.c (create_clear_objfiles_event_object): New
	function.
	(emit_clear_objfiles_event): New function.
	(clear_objfiles): New event.
	* python/python-internal.h (gdbpy_initialize_clear_objfiles_event):
	Declare.
	* python/python.c (_initialize_python): Call
	gdbpy_initialize_clear_objfiles_event.

gdb/doc/ChangeLog:

	* python.texi (Events In Python): Document clear_objfiles event.

gdb/testsuite/ChangeLog:

	* gdb.python/py-events.exp: Update expected output for clear_objfiles
	event.
	* gdb.python/py-events.py: Add clear_objfiles event.
2014-10-17 11:12:17 -07:00

88 lines
2.1 KiB
C

/* Python interface to inferior events.
Copyright (C) 2009-2014 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "py-events.h"
#ifdef IS_PY3K
static struct PyModuleDef EventModuleDef =
{
PyModuleDef_HEAD_INIT,
"gdb.events",
NULL,
-1,
NULL,
NULL,
NULL,
NULL,
NULL
};
#endif
/* Initialize python events. */
static int CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
add_new_registry (eventregistry_object **registryp, char *name)
{
int result;
*registryp = create_eventregistry_object ();
if (*registryp == NULL)
return -1;
return gdb_pymodule_addobject (gdb_py_events.module,
name,
(PyObject *)(*registryp));
}
int
gdbpy_initialize_py_events (void)
{
#ifdef IS_PY3K
gdb_py_events.module = PyModule_Create (&EventModuleDef);
#else
gdb_py_events.module = Py_InitModule ("events", NULL);
#endif
if (!gdb_py_events.module)
return -1;
if (add_new_registry (&gdb_py_events.stop, "stop") < 0)
return -1;
if (add_new_registry (&gdb_py_events.cont, "cont") < 0)
return -1;
if (add_new_registry (&gdb_py_events.exited, "exited") < 0)
return -1;
if (add_new_registry (&gdb_py_events.new_objfile, "new_objfile") < 0)
return -1;
if (add_new_registry (&gdb_py_events.clear_objfiles, "clear_objfiles") < 0)
return -1;
if (gdb_pymodule_addobject (gdb_module,
"events",
(PyObject *) gdb_py_events.module) < 0)
return -1;
return 0;
}