+2009-03-25 Pedro Alves <pedro@codesourcery.com>
+
+ * 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.
+
+2009-03-25 Thiago Jung Bauermann <bauerman@br.ibm.com>
+
+ Fix size of FPSCR in Power 7 processors.
+ * ppc-linux-nat.c (PPC_FEATURE_ARCH_2_05): Remove #define.
+ (PPC_FEATURE_HAS_DFP): New #define.
+ (ppc_linux_read_description): Check for DFP feature instead of
+ ISA 2.05 to decide on size of the FPSCR.
+
2009-03-25 Kevin Buettner <kevinb@redhat.com>
* mn10300-tdep.c (trad-frame.h): Don't include.