gdb/guile/scm-auto-load.c

   1 /* GDB routines for supporting auto-loaded Guile scripts.
   2
   3    Copyright (C) 2010-2014 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 <string.h>
  22 #include "top.h"
  23 #include "exceptions.h"
  24 #include "gdbcmd.h"
  25 #include "objfiles.h"
  26 #include "cli/cli-cmds.h"
  27 #include "auto-load.h"
  28 #include "guile.h"
  29 #include "guile-internal.h"
  30
  31 /* User-settable option to enable/disable auto-loading of Guile scripts:
  32    set auto-load guile-scripts on|off
  33    This is true if we should auto-load associated Guile scripts when an
  34    objfile is opened, false otherwise.  */
  35 static int auto_load_guile_scripts = 1;
  36
  37 /* "show" command for the auto_load_guile_scripts configuration variable.  */
  38
  39 static void
  40 show_auto_load_guile_scripts (struct ui_file *file, int from_tty,
  41                               struct cmd_list_element *c, const char *value)
  42 {
  43   fprintf_filtered (file, _("Auto-loading of Guile scripts is %s.\n"), value);
  44 }
  45
  46 /* Return non-zero if auto-loading Guile scripts is enabled.
  47    This is the extension_language_script_ops.auto_load_enabled "method".  */
  48
  49 int
  50 gdbscm_auto_load_enabled (const struct extension_language_defn *extlang)
  51 {
  52   return auto_load_guile_scripts;
  53 }
  54
  55 /* Wrapper for "info auto-load guile-scripts".  */
  56
  57 static void
  58 info_auto_load_guile_scripts (char *pattern, int from_tty)
  59 {
  60   auto_load_info_scripts (pattern, from_tty, &extension_language_guile);
  61 }
  62 \f
  63 void
  64 gdbscm_initialize_auto_load (void)
  65 {
  66   add_setshow_boolean_cmd ("guile-scripts", class_support,
  67                            &auto_load_guile_scripts, _("\
  68 Set the debugger's behaviour regarding auto-loaded Guile scripts."), _("\
  69 Show the debugger's behaviour regarding auto-loaded Guile scripts."), _("\
  70 If enabled, auto-loaded Guile 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_guile_scripts,
  74                            auto_load_set_cmdlist_get (),
  75                            auto_load_show_cmdlist_get ());
  76
  77   add_cmd ("guile-scripts", class_info, info_auto_load_guile_scripts,
  78            _("Print the list of automatically loaded Guile scripts.\n\
  79 Usage: info auto-load guile-scripts [REGEXP]"),
  80            auto_load_info_cmdlist_get ());
  81 }