1 /* Python interface to inferior function events.
3 Copyright (C) 2013-2019 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 /* Construct either a gdb.InferiorCallPreEvent or a
25 gdb.InferiorCallPostEvent. */
28 create_inferior_call_event_object (inferior_call_kind flag, ptid_t ptid,
35 case INFERIOR_CALL_PRE:
36 event = create_event_object (&inferior_call_pre_event_object_type);
38 case INFERIOR_CALL_POST:
39 event = create_event_object (&inferior_call_post_event_object_type);
42 gdb_assert_not_reached ("invalid inferior_call_kind");
45 gdbpy_ref<> ptid_obj (gdbpy_create_ptid_object (ptid));
49 if (evpy_add_attribute (event.get (), "ptid", ptid_obj.get ()) < 0)
52 gdbpy_ref<> addr_obj (PyLong_FromLongLong (addr));
56 if (evpy_add_attribute (event.get (), "address", addr_obj.get ()) < 0)
62 /* Construct a gdb.RegisterChangedEvent containing the affected
66 create_register_changed_event_object (struct frame_info *frame,
69 gdbpy_ref<> event = create_event_object (®ister_changed_event_object_type);
73 gdbpy_ref<> frame_obj (frame_info_to_frame_object (frame));
74 if (frame_obj == NULL)
77 if (evpy_add_attribute (event.get (), "frame", frame_obj.get ()) < 0)
80 gdbpy_ref<> regnum_obj (PyLong_FromLongLong (regnum));
81 if (regnum_obj == NULL)
84 if (evpy_add_attribute (event.get (), "regnum", regnum_obj.get ()) < 0)
90 /* Construct a gdb.MemoryChangedEvent describing the extent of the
94 create_memory_changed_event_object (CORE_ADDR addr, ssize_t len)
96 gdbpy_ref<> event = create_event_object (&memory_changed_event_object_type);
101 gdbpy_ref<> addr_obj (PyLong_FromLongLong (addr));
102 if (addr_obj == NULL)
105 if (evpy_add_attribute (event.get (), "address", addr_obj.get ()) < 0)
108 gdbpy_ref<> len_obj (PyLong_FromLong (len));
112 if (evpy_add_attribute (event.get (), "length", len_obj.get ()) < 0)
118 /* Callback function which notifies observers when an event occurs which
119 calls a function in the inferior.
120 This function will create a new Python inferior-call event object.
121 Return -1 if emit fails. */
124 emit_inferior_call_event (inferior_call_kind flag, ptid_t thread,
127 if (evregpy_no_listeners_p (gdb_py_events.inferior_call))
130 gdbpy_ref<> event = create_inferior_call_event_object (flag, thread, addr);
132 return evpy_emit_event (event.get (), gdb_py_events.inferior_call);
136 /* Callback when memory is modified by the user. This function will
137 create a new Python memory changed event object. */
140 emit_memory_changed_event (CORE_ADDR addr, ssize_t len)
142 if (evregpy_no_listeners_p (gdb_py_events.memory_changed))
145 gdbpy_ref<> event = create_memory_changed_event_object (addr, len);
147 return evpy_emit_event (event.get (), gdb_py_events.memory_changed);
151 /* Callback when a register is modified by the user. This function
152 will create a new Python register changed event object. */
155 emit_register_changed_event (struct frame_info* frame, int regnum)
157 if (evregpy_no_listeners_p (gdb_py_events.register_changed))
160 gdbpy_ref<> event = create_register_changed_event_object (frame, regnum);
162 return evpy_emit_event (event.get (), gdb_py_events.register_changed);