PyObject *
create_signal_event_object (enum gdb_signal stop_signal)
{
const char *signal_name;
PyObject *signal_name_obj = NULL;
PyObject *signal_event_obj =
create_stop_event_object (&signal_event_object_type);
if (!signal_event_obj)
goto fail;
signal_name = gdb_signal_to_name (stop_signal);
signal_name_obj = PyString_FromString (signal_name);
if (signal_name_obj == NULL)
goto fail;
if (evpy_add_attribute (signal_event_obj,
"stop_signal",
signal_name_obj) < 0)
goto fail;
Py_DECREF (signal_name_obj);
return signal_event_obj;
fail:
Py_XDECREF (signal_name_obj);
Py_XDECREF (signal_event_obj);
return NULL;
}
int
emit_stop_event (struct bpstats *bs, enum target_signal stop_signal)
{
PyObject *stop_event_obj = NULL; /* Appease GCC warning. */
if (evregpy_no_listeners_p (gdb_py_events.stop))
return 0;
if (bs && bs->breakpoint_at
&& bs->breakpoint_at->py_bp_object)
{
stop_event_obj = create_breakpoint_event_object ((PyObject *) bs
->breakpoint_at
->py_bp_object);
if (!stop_event_obj)
goto fail;
}
/* Check if the signal is "Signal 0" or "Trace/breakpoint trap". */
if (stop_signal != TARGET_SIGNAL_0
&& stop_signal != TARGET_SIGNAL_TRAP)
{
stop_event_obj =
create_signal_event_object (stop_signal);
if (!stop_event_obj)
goto fail;
}
/* If all fails emit an unknown stop event. All event types should
be known and this should eventually be unused. */
if (!stop_event_obj)
{
stop_event_obj = create_stop_event_object (&stop_event_object_type);
if (!stop_event_obj)
goto fail;
}
return evpy_emit_event (stop_event_obj, gdb_py_events.stop);
fail:
return -1;
}
PyObject *
create_breakpoint_event_object (PyObject *breakpoint_list, PyObject *first_bp)
{
PyObject *breakpoint_event_obj =
create_stop_event_object (&breakpoint_event_object_type);
if (!breakpoint_event_obj)
goto fail;
if (evpy_add_attribute (breakpoint_event_obj,
"breakpoint",
first_bp) < 0)
goto fail;
if (evpy_add_attribute (breakpoint_event_obj,
"breakpoints",
breakpoint_list) < 0)
goto fail;
return breakpoint_event_obj;
fail:
Py_XDECREF (breakpoint_event_obj);
return NULL;
}
int
emit_stop_event (struct bpstats *bs, enum gdb_signal stop_signal)
{
PyObject *stop_event_obj = NULL; /* Appease GCC warning. */
PyObject *list = NULL;
PyObject *first_bp = NULL;
struct bpstats *current_bs;
if (evregpy_no_listeners_p (gdb_py_events.stop))
return 0;
/* Add any breakpoint set at this location to the list. */
for (current_bs = bs; current_bs != NULL; current_bs = current_bs->next)
{
if (current_bs->breakpoint_at
&& current_bs->breakpoint_at->py_bp_object)
{
PyObject *current_py_bp =
(PyObject *) current_bs->breakpoint_at->py_bp_object;
if (list == NULL)
{
list = PyList_New (0);
if (!list)
goto fail;
}
if (PyList_Append (list, current_py_bp))
goto fail;
if (first_bp == NULL)
first_bp = current_py_bp;
}
}
if (list != NULL)
{
stop_event_obj = create_breakpoint_event_object (list, first_bp);
if (!stop_event_obj)
goto fail;
Py_DECREF (list);
}
/* Check if the signal is "Signal 0" or "Trace/breakpoint trap". */
if (stop_signal != GDB_SIGNAL_0
&& stop_signal != GDB_SIGNAL_TRAP)
{
stop_event_obj =
create_signal_event_object (stop_signal);
if (!stop_event_obj)
goto fail;
}
/* If all fails emit an unknown stop event. All event types should
be known and this should eventually be unused. */
if (!stop_event_obj)
{
stop_event_obj = create_stop_event_object (&stop_event_object_type);
if (!stop_event_obj)
goto fail;
}
return evpy_emit_event (stop_event_obj, gdb_py_events.stop);
fail:
Py_XDECREF (list);
return -1;
}
