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.
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.
gdbserver/
Fix size of FPSCR in Power 7 processors.
* linux-ppc-low.c (PPC_FEATURE_ARCH_2_05): Remove #define.
(PPC_FEATURE_HAS_DFP): New #define.
(ppc_arch_setup): Check for DFP feature instead of ISA 2.05 to decide on
size of the FPSCR.
(prologue-value.h): Include.
(mn10300_frame_unwind_cache, set_reg_offsets): Delete.
(struct mn10300_prologue): Define.
(push_reg, translate_rreg, check_for_saved): New functions.
(mn10300_analyze_prologue): Rewrite, using prologue-value
machinery. Handle more instructions than before. Permit
instructions to occur in any order.
(mn10300_skip_prologue): Find the extents of the function
in question; mn10300_analyze_prologue no longer does this.
(mn10300_analyze_frame_prologue): New function.
(mn10300_frame_base): New function.
(mn10300_frame_this_id): Rewrite, no longer using trad-frame
implementation.
(mn10300_frame_prev_register): Likewise.
(mn10300_frame_base_address, mn10300_frame_base struct): Delete.
(mn10300_unwind_pc, mn10300_unwind_sp): Rename `next_frame' to
`this_frame'.
(mn10300_frame_unwind_init): Don't call frame_base_set_default().
* gdb/completer.h (gdb_completion_word_break_characters): New function.
* gdb/completer.c: Include gdb_assert.h.
(complete_line_internal_reason): New enum.
(complete_line_internal): Change last argument type to
complete_line_internal_reason.
Modify function to handle the different complete_line_internal_reason
argument values.
(complete_line): Adapt to change in complete_line_internal.
(command_completer): Ditto.
(gdb_completion_word_break_characters): Implement new function.
* top.c (init_main): Set rl_completion_word_break_hook to
gdb_completion_word_break_characters.
