Commit | Line | Data |
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c17a9e46 HZ |
1 | /* Python interface to inferior stop events. |
2 | ||
61baf725 | 3 | Copyright (C) 2009-2017 Free Software Foundation, Inc. |
c17a9e46 HZ |
4 | |
5 | This file is part of GDB. | |
6 | ||
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. | |
11 | ||
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. | |
16 | ||
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/>. */ | |
19 | ||
d071a26b | 20 | #include "defs.h" |
c17a9e46 HZ |
21 | #include "py-stopevent.h" |
22 | ||
23 | PyObject * | |
24 | create_stop_event_object (PyTypeObject *py_type) | |
25 | { | |
abf5651e | 26 | return create_thread_event_object (py_type); |
c17a9e46 HZ |
27 | } |
28 | ||
29 | /* Callback observers when a stop event occurs. This function will create a | |
30 | new Python stop event object. If only a specific thread is stopped the | |
31 | thread object of the event will be set to that thread. Otherwise, if all | |
32 | threads are stopped thread object will be set to None. | |
33 | return 0 if the event was created and emitted successfully otherwise | |
34 | returns -1. */ | |
35 | ||
36 | int | |
2ea28649 | 37 | emit_stop_event (struct bpstats *bs, enum gdb_signal stop_signal) |
c17a9e46 | 38 | { |
abf5651e TT |
39 | gdbpy_ref stop_event_obj; |
40 | gdbpy_ref list; | |
6839b47f KP |
41 | PyObject *first_bp = NULL; |
42 | struct bpstats *current_bs; | |
c17a9e46 HZ |
43 | |
44 | if (evregpy_no_listeners_p (gdb_py_events.stop)) | |
45 | return 0; | |
46 | ||
6839b47f KP |
47 | /* Add any breakpoint set at this location to the list. */ |
48 | for (current_bs = bs; current_bs != NULL; current_bs = current_bs->next) | |
c17a9e46 | 49 | { |
6839b47f KP |
50 | if (current_bs->breakpoint_at |
51 | && current_bs->breakpoint_at->py_bp_object) | |
52 | { | |
53 | PyObject *current_py_bp = | |
54 | (PyObject *) current_bs->breakpoint_at->py_bp_object; | |
55 | ||
56 | if (list == NULL) | |
57 | { | |
abf5651e TT |
58 | list.reset (PyList_New (0)); |
59 | if (list == NULL) | |
60 | return -1; | |
6839b47f KP |
61 | } |
62 | ||
abf5651e TT |
63 | if (PyList_Append (list.get (), current_py_bp)) |
64 | return -1; | |
6839b47f KP |
65 | |
66 | if (first_bp == NULL) | |
67 | first_bp = current_py_bp; | |
68 | } | |
69 | } | |
70 | ||
71 | if (list != NULL) | |
72 | { | |
abf5651e TT |
73 | stop_event_obj.reset (create_breakpoint_event_object (list.get (), |
74 | first_bp)); | |
75 | if (stop_event_obj == NULL) | |
76 | return -1; | |
c17a9e46 HZ |
77 | } |
78 | ||
79 | /* Check if the signal is "Signal 0" or "Trace/breakpoint trap". */ | |
a493e3e2 PA |
80 | if (stop_signal != GDB_SIGNAL_0 |
81 | && stop_signal != GDB_SIGNAL_TRAP) | |
c17a9e46 | 82 | { |
abf5651e TT |
83 | stop_event_obj.reset (create_signal_event_object (stop_signal)); |
84 | if (stop_event_obj == NULL) | |
85 | return -1; | |
c17a9e46 HZ |
86 | } |
87 | ||
88 | /* If all fails emit an unknown stop event. All event types should | |
89 | be known and this should eventually be unused. */ | |
abf5651e | 90 | if (stop_event_obj == NULL) |
c17a9e46 | 91 | { |
abf5651e TT |
92 | stop_event_obj.reset (create_stop_event_object (&stop_event_object_type)); |
93 | if (stop_event_obj == NULL) | |
94 | return -1; | |
c17a9e46 HZ |
95 | } |
96 | ||
abf5651e | 97 | return evpy_emit_event (stop_event_obj.get (), gdb_py_events.stop); |
c17a9e46 HZ |
98 | } |
99 | ||
100 | GDBPY_NEW_EVENT_TYPE (stop, | |
101 | "gdb.StopEvent", | |
102 | "StopEvent", | |
103 | "GDB stop event object", | |
e36122e9 | 104 | thread_event_object_type); |