gdb/python/py-auto-load.c

   1 /* GDB routines for supporting auto-loaded scripts.
   2
   3    Copyright (C) 2010-2019 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 int auto_load_python_scripts = 1;
  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 \f
  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, "", -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, "", -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 }