xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/python/py-auto-load.c (revision 865c57e0098351fba0d2d2a97b33e7e0270e62c6)
1 /* GDB routines for supporting auto-loaded scripts.
2 
3    Copyright (C) 2010-2020 Free Software Foundation, Inc.
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 
20 #include "defs.h"
21 #include "top.h"
22 #include "gdbcmd.h"
23 #include "objfiles.h"
24 #include "python.h"
25 #include "auto-load.h"
26 #include "python-internal.h"
27 
28 /* User-settable option to enable/disable auto-loading of Python scripts:
29    set auto-load python-scripts on|off
30    This is true if we should auto-load associated Python scripts when an
31    objfile is opened, false otherwise.  */
32 static bool auto_load_python_scripts = true;
33 
34 /* "show" command for the auto_load_python_scripts configuration variable.  */
35 
36 static void
37 show_auto_load_python_scripts (struct ui_file *file, int from_tty,
38 			       struct cmd_list_element *c, const char *value)
39 {
40   fprintf_filtered (file, _("Auto-loading of Python scripts is %s.\n"), value);
41 }
42 
43 /* Return non-zero if auto-loading Python scripts is enabled.
44    This is the extension_language_script_ops.auto_load_enabled "method".  */
45 
46 int
47 gdbpy_auto_load_enabled (const struct extension_language_defn *extlang)
48 {
49   return auto_load_python_scripts;
50 }
51 
52 /* Wrapper for "info auto-load python-scripts".  */
53 
54 static void
55 info_auto_load_python_scripts (const char *pattern, int from_tty)
56 {
57   auto_load_info_scripts (pattern, from_tty, &extension_language_python);
58 }
59 
60 int
61 gdbpy_initialize_auto_load (void)
62 {
63   struct cmd_list_element *cmd;
64   const char *cmd_name;
65 
66   add_setshow_boolean_cmd ("python-scripts", class_support,
67 			   &auto_load_python_scripts, _("\
68 Set the debugger's behaviour regarding auto-loaded Python scripts."), _("\
69 Show the debugger's behaviour regarding auto-loaded Python scripts."), _("\
70 If enabled, auto-loaded Python scripts are loaded when the debugger reads\n\
71 an executable or shared library.\n\
72 This options has security implications for untrusted inferiors."),
73 			   NULL, show_auto_load_python_scripts,
74 			   auto_load_set_cmdlist_get (),
75 			   auto_load_show_cmdlist_get ());
76 
77   add_setshow_boolean_cmd ("auto-load-scripts", class_support,
78 			   &auto_load_python_scripts, _("\
79 Set the debugger's behaviour regarding auto-loaded Python scripts, "
80 								 "deprecated."),
81 			   _("\
82 Show the debugger's behaviour regarding auto-loaded Python scripts, "
83 								 "deprecated."),
84 			   NULL, NULL, show_auto_load_python_scripts,
85 			   &setlist, &showlist);
86   cmd_name = "auto-load-scripts";
87   cmd = lookup_cmd (&cmd_name, setlist, "", NULL, -1, 1);
88   deprecate_cmd (cmd, "set auto-load python-scripts");
89 
90   /* It is needed because lookup_cmd updates the CMD_NAME pointer.  */
91   cmd_name = "auto-load-scripts";
92   cmd = lookup_cmd (&cmd_name, showlist, "", NULL, -1, 1);
93   deprecate_cmd (cmd, "show auto-load python-scripts");
94 
95   add_cmd ("python-scripts", class_info, info_auto_load_python_scripts,
96 	   _("Print the list of automatically loaded Python scripts.\n\
97 Usage: info auto-load python-scripts [REGEXP]"),
98 	   auto_load_info_cmdlist_get ());
99 
100   cmd = add_info ("auto-load-scripts", info_auto_load_python_scripts, _("\
101 Print the list of automatically loaded Python scripts, deprecated."));
102   deprecate_cmd (cmd, "info auto-load python-scripts");
103 
104   return 0;
105 }
106