gdb/python/py-auto-load.c

   1 /* GDB routines for supporting auto-loaded scripts.
   2
   3    Copyright (C) 2010-2021 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 /* See python-internal.h.  */
  44
  45 bool
  46 gdbpy_auto_load_enabled (const struct extension_language_defn *extlang)
  47 {
  48   return auto_load_python_scripts;
  49 }
  50
  51 /* Wrapper for "info auto-load python-scripts".  */
  52
  53 static void
  54 info_auto_load_python_scripts (const char *pattern, int from_tty)
  55 {
  56   auto_load_info_scripts (pattern, from_tty, &extension_language_python);
  57 }
  58 \f
  59 int
  60 gdbpy_initialize_auto_load (void)
  61 {
  62   struct cmd_list_element *cmd;
  63   const char *cmd_name;
  64
  65   add_setshow_boolean_cmd ("python-scripts", class_support,
  66                            &auto_load_python_scripts, _("\
  67 Set the debugger's behaviour regarding auto-loaded Python scripts."), _("\
  68 Show the debugger's behaviour regarding auto-loaded Python scripts."), _("\
  69 If enabled, auto-loaded Python scripts are loaded when the debugger reads\n\
  70 an executable or shared library.\n\
  71 This options has security implications for untrusted inferiors."),
  72                            NULL, show_auto_load_python_scripts,
  73                            auto_load_set_cmdlist_get (),
  74                            auto_load_show_cmdlist_get ());
  75
  76   add_setshow_boolean_cmd ("auto-load-scripts", class_support,
  77                            &auto_load_python_scripts, _("\
  78 Set the debugger's behaviour regarding auto-loaded Python scripts, "
  79                                                                  "deprecated."),
  80                            _("\
  81 Show the debugger's behaviour regarding auto-loaded Python scripts, "
  82                                                                  "deprecated."),
  83                            NULL, NULL, show_auto_load_python_scripts,
  84                            &setlist, &showlist);
  85   cmd_name = "auto-load-scripts";
  86   cmd = lookup_cmd (&cmd_name, setlist, "", NULL, -1, 1);
  87   deprecate_cmd (cmd, "set auto-load python-scripts");
  88
  89   /* It is needed because lookup_cmd updates the CMD_NAME pointer.  */
  90   cmd_name = "auto-load-scripts";
  91   cmd = lookup_cmd (&cmd_name, showlist, "", NULL, -1, 1);
  92   deprecate_cmd (cmd, "show auto-load python-scripts");
  93
  94   add_cmd ("python-scripts", class_info, info_auto_load_python_scripts,
  95            _("Print the list of automatically loaded Python scripts.\n\
  96 Usage: info auto-load python-scripts [REGEXP]"),
  97            auto_load_info_cmdlist_get ());
  98
  99   cmd = add_info ("auto-load-scripts", info_auto_load_python_scripts, _("\
 100 Print the list of automatically loaded Python scripts, deprecated."));
 101   deprecate_cmd (cmd, "info auto-load python-scripts");
 102
 103   return 0;
 104 }