gdb/guile/scm-auto-load.c

   1 /* GDB routines for supporting auto-loaded Guile scripts.
   2
   3    Copyright (C) 2010-2016 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 "cli/cli-cmds.h"
  25 #include "auto-load.h"
  26 #include "guile.h"
  27 #include "guile-internal.h"
  28
  29 /* User-settable option to enable/disable auto-loading of Guile scripts:
  30    set auto-load guile-scripts on|off
  31    This is true if we should auto-load associated Guile scripts when an
  32    objfile is opened, false otherwise.  */
  33 static int auto_load_guile_scripts = 1;
  34
  35 /* "show" command for the auto_load_guile_scripts configuration variable.  */
  36
  37 static void
  38 show_auto_load_guile_scripts (struct ui_file *file, int from_tty,
  39                               struct cmd_list_element *c, const char *value)
  40 {
  41   fprintf_filtered (file, _("Auto-loading of Guile scripts is %s.\n"), value);
  42 }
  43
  44 /* Return non-zero if auto-loading Guile scripts is enabled.
  45    This is the extension_language_script_ops.auto_load_enabled "method".  */
  46
  47 int
  48 gdbscm_auto_load_enabled (const struct extension_language_defn *extlang)
  49 {
  50   return auto_load_guile_scripts;
  51 }
  52
  53 /* Wrapper for "info auto-load guile-scripts".  */
  54
  55 static void
  56 info_auto_load_guile_scripts (char *pattern, int from_tty)
  57 {
  58   auto_load_info_scripts (pattern, from_tty, &extension_language_guile);
  59 }
  60 \f
  61 void
  62 gdbscm_initialize_auto_load (void)
  63 {
  64   add_setshow_boolean_cmd ("guile-scripts", class_support,
  65                            &auto_load_guile_scripts, _("\
  66 Set the debugger's behaviour regarding auto-loaded Guile scripts."), _("\
  67 Show the debugger's behaviour regarding auto-loaded Guile scripts."), _("\
  68 If enabled, auto-loaded Guile scripts are loaded when the debugger reads\n\
  69 an executable or shared library.\n\
  70 This options has security implications for untrusted inferiors."),
  71                            NULL, show_auto_load_guile_scripts,
  72                            auto_load_set_cmdlist_get (),
  73                            auto_load_show_cmdlist_get ());
  74
  75   add_cmd ("guile-scripts", class_info, info_auto_load_guile_scripts,
  76            _("Print the list of automatically loaded Guile scripts.\n\
  77 Usage: info auto-load guile-scripts [REGEXP]"),
  78            auto_load_info_cmdlist_get ());
  79 }