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01b71697 KP |
1 | /* Python interface to new object file loading events. |
2 | ||
1d506c26 | 3 | Copyright (C) 2011-2024 Free Software Foundation, Inc. |
01b71697 KP |
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" |
01b71697 KP |
21 | #include "py-event.h" |
22 | ||
d98fc15b | 23 | static gdbpy_ref<> |
01b71697 KP |
24 | create_new_objfile_event_object (struct objfile *objfile) |
25 | { | |
7780f186 | 26 | gdbpy_ref<> objfile_event |
d98fc15b | 27 | = create_event_object (&new_objfile_event_object_type); |
abf5651e TT |
28 | if (objfile_event == NULL) |
29 | return NULL; | |
01b71697 | 30 | |
0a9db5ad TT |
31 | gdbpy_ref<> py_objfile = objfile_to_objfile_object (objfile); |
32 | if (py_objfile == NULL || evpy_add_attribute (objfile_event.get (), | |
33 | "new_objfile", | |
34 | py_objfile.get ()) < 0) | |
abf5651e | 35 | return NULL; |
01b71697 | 36 | |
d98fc15b | 37 | return objfile_event; |
01b71697 KP |
38 | } |
39 | ||
40 | /* Callback function which notifies observers when a new objfile event occurs. | |
41 | This function will create a new Python new_objfile event object. | |
42 | Return -1 if emit fails. */ | |
43 | ||
44 | int | |
45 | emit_new_objfile_event (struct objfile *objfile) | |
46 | { | |
01b71697 KP |
47 | if (evregpy_no_listeners_p (gdb_py_events.new_objfile)) |
48 | return 0; | |
49 | ||
d98fc15b | 50 | gdbpy_ref<> event = create_new_objfile_event_object (objfile); |
abf5651e TT |
51 | if (event != NULL) |
52 | return evpy_emit_event (event.get (), gdb_py_events.new_objfile); | |
01b71697 KP |
53 | return -1; |
54 | } | |
55 | ||
0b4fe76f TT |
56 | /* Create an event object representing a to-be-freed objfile. Return |
57 | nullptr, with the Python exception set, on error. */ | |
58 | ||
59 | static gdbpy_ref<> | |
60 | create_free_objfile_event_object (struct objfile *objfile) | |
61 | { | |
62 | gdbpy_ref<> objfile_event | |
63 | = create_event_object (&free_objfile_event_object_type); | |
64 | if (objfile_event == nullptr) | |
65 | return nullptr; | |
66 | ||
67 | gdbpy_ref<> py_objfile = objfile_to_objfile_object (objfile); | |
68 | if (py_objfile == nullptr | |
69 | || evpy_add_attribute (objfile_event.get (), "objfile", | |
70 | py_objfile.get ()) < 0) | |
71 | return nullptr; | |
72 | ||
73 | return objfile_event; | |
74 | } | |
75 | ||
76 | /* Callback function which notifies observers when a free objfile | |
77 | event occurs. This function will create a new Python event object. | |
78 | Return -1 if emit fails. */ | |
79 | ||
80 | int | |
81 | emit_free_objfile_event (struct objfile *objfile) | |
82 | { | |
83 | if (evregpy_no_listeners_p (gdb_py_events.free_objfile)) | |
84 | return 0; | |
85 | ||
86 | gdbpy_ref<> event = create_free_objfile_event_object (objfile); | |
87 | if (event == nullptr) | |
88 | return -1; | |
89 | return evpy_emit_event (event.get (), gdb_py_events.free_objfile); | |
90 | } | |
91 | ||
4ffbba72 DE |
92 | \f |
93 | /* Subroutine of emit_clear_objfiles_event to simplify it. */ | |
94 | ||
d98fc15b | 95 | static gdbpy_ref<> |
aa9be61e | 96 | create_clear_objfiles_event_object (program_space *pspace) |
4ffbba72 | 97 | { |
7780f186 | 98 | gdbpy_ref<> objfile_event |
d98fc15b | 99 | = create_event_object (&clear_objfiles_event_object_type); |
abf5651e TT |
100 | if (objfile_event == NULL) |
101 | return NULL; | |
4ffbba72 | 102 | |
aa9be61e | 103 | gdbpy_ref<> py_progspace = pspace_to_pspace_object (pspace); |
3c7aa307 TT |
104 | if (py_progspace == NULL || evpy_add_attribute (objfile_event.get (), |
105 | "progspace", | |
106 | py_progspace.get ()) < 0) | |
abf5651e | 107 | return NULL; |
4ffbba72 | 108 | |
d98fc15b | 109 | return objfile_event; |
4ffbba72 DE |
110 | } |
111 | ||
112 | /* Callback function which notifies observers when the "clear objfiles" | |
113 | event occurs. | |
114 | This function will create a new Python clear_objfiles event object. | |
115 | Return -1 if emit fails. */ | |
116 | ||
117 | int | |
aa9be61e | 118 | emit_clear_objfiles_event (program_space *pspace) |
4ffbba72 | 119 | { |
4ffbba72 DE |
120 | if (evregpy_no_listeners_p (gdb_py_events.clear_objfiles)) |
121 | return 0; | |
122 | ||
aa9be61e | 123 | gdbpy_ref<> event = create_clear_objfiles_event_object (pspace); |
abf5651e TT |
124 | if (event != NULL) |
125 | return evpy_emit_event (event.get (), gdb_py_events.clear_objfiles); | |
4ffbba72 DE |
126 | return -1; |
127 | } |