Add the file that prev commit forget.

1 files changed, 92 insertions, 0 deletions

diff --git a/gdb/python/py-stopevent.c b/gdb/python/py-stopevent.c
new file mode 100644
index 0000000..122fe6b
--- /dev/null
+++ b/gdb/python/py-stopevent.c
@@ -0,0 +1,92 @@
+/* Python interface to inferior stop events.
+
+   Copyright (C) 2009, 2010, 2011 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 "py-stopevent.h"
+
+PyObject *
+create_stop_event_object (PyTypeObject *py_type)
+{
+  PyObject *stop_event_obj = create_thread_event_object (py_type);
+
+  if (!stop_event_obj)
+    goto fail;
+
+  return stop_event_obj;
+
+  fail:
+   Py_XDECREF (stop_event_obj);
+   return NULL;
+}
+
+/* Callback observers when a stop event occurs.  This function will create a
+   new Python stop event object.  If only a specific thread is stopped the
+   thread object of the event will be set to that thread.  Otherwise, if all
+   threads are stopped thread object will be set to None.
+   return 0 if the event was created and emitted successfully otherwise
+   returns -1.  */
+
+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;
+}
+
+GDBPY_NEW_EVENT_TYPE (stop,
+                      "gdb.StopEvent",
+                      "StopEvent",
+                      "GDB stop event object",
+                      thread_event_object_type,
+                      /*no qual*/);