* infrun.c (normal_stop): Use has_stack_frames instead of

	target_has_stack.
	* mi/mi-main.c (mi_execute_command): Avoid calling inferior_thread
	when there is no thread selected.
	(mi_cmd_execute): Don't special case commands that can run without
	a valid selected thread.
	* top.c (execute_command): Don't special case commands that can
	run without a valid selected thread.  Use has_stack_frames.
	* infcmd.c (ensure_valid_thread): New.
	(continue_1, step_1, jump_command, signal_command): Use it.
	(detach_command): Error out if there's no selected thread/inferior.
	* thread.c (print_thread_info): Allow having no thread selected.
	(switch_to_thread): Don't read the PC if there is no current thread.
	(do_restore_current_thread_cleanup): Don't record the current
	frame if there is no current thread.
	(make_cleanup_restore_current_thread): Don't read frame info if
	there is no selected thread.
	(_initialize_thread): Don't mark commands as
	"no_selected_thread_ok".
	* frame.c (get_current_frame): Error out if there is no valid
	selected thread.
	(has_stack_frames): Return false if there is no valid
	selected thread.
	* cli/cli-cmds.c (init_cli_cmds): Don't mark commands as
	"no_selected_thread_ok".
	* cli/cli-decode.c (set_cmd_no_selected_thread_ok)
	(get_cmd_no_selected_thread_ok): Delete.
	* cli/cli-decode.h (CMD_NO_SELECTED_THREAD_OK): Delete.
	(set_cmd_no_selected_thread_ok, get_cmd_no_selected_thread_ok):
	Delete declaration.
	* stack.c (get_selected_block): Use has_stack_frames.

1 files changed, 5 insertions, 9 deletions

diff --git a/gdb/cli/cli-cmds.c b/gdb/cli/cli-cmds.c
index 1b40b4b..18d34bf 100644
--- a/gdb/cli/cli-cmds.c
+++ b/gdb/cli/cli-cmds.c
@@ -1248,9 +1248,8 @@ The commands below can be used to select other frames by number or address."),
 
   /* Define general commands. */
 
-  c = add_com ("pwd", class_files, pwd_command, _("\
+  add_com ("pwd", class_files, pwd_command, _("\
 Print working directory.  This is used for your program as well."));
-  set_cmd_no_selected_thread_ok (c);
 
   c = add_cmd ("cd", class_files, cd_command, _("\
 Set working directory to DIR for debugger and program being debugged.\n\
@@ -1291,7 +1290,6 @@ when GDB is started."), gdbinit);
   c = add_com ("help", class_support, help_command,
 	       _("Print list of commands."));
   set_cmd_completer (c, command_completer);
-  set_cmd_no_selected_thread_ok (c);
   add_com_alias ("q", "quit", class_support, 1);
   add_com_alias ("h", "help", class_support, 1);
 
@@ -1317,19 +1315,17 @@ Without an argument, history expansion is enabled."),
 			   show_history_expansion_p,
 			   &sethistlist, &showhistlist);
 
-  c = add_prefix_cmd ("info", class_info, info_command, _("\
+  add_prefix_cmd ("info", class_info, info_command, _("\
 Generic command for showing things about the program being debugged."),
-		      &infolist, "info ", 0, &cmdlist);
-  set_cmd_no_selected_thread_ok (c);
+		  &infolist, "info ", 0, &cmdlist);
   add_com_alias ("i", "info", class_info, 1);
 
   add_com ("complete", class_obscure, complete_command,
 	   _("List the completions for the rest of the line as a command."));
 
-  c = add_prefix_cmd ("show", class_info, show_command, _("\
+  add_prefix_cmd ("show", class_info, show_command, _("\
 Generic command for showing things about the debugger."),
-		      &showlist, "show ", 0, &cmdlist);
-  set_cmd_no_selected_thread_ok (c);
+		  &showlist, "show ", 0, &cmdlist);
   /* Another way to get at the same thing.  */
   add_info ("set", show_command, _("Show all GDB settings."));