1 /* MI Interpreter Definitions and Commands for GDB, the GNU debugger.
3 Copyright (C) 2002-2019 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
22 #include "event-top.h"
23 #include "event-loop.h"
31 #include "mi-console.h"
32 #include "mi-common.h"
33 #include "observable.h"
34 #include "gdbthread.h"
37 #include "tracepoint.h"
39 #include "thread-fsm.h"
40 #include "cli/cli-interp.h"
42 /* These are the interpreter setup, etc. functions for the MI
45 static void mi_execute_command_wrapper (const char *cmd);
46 static void mi_execute_command_input_handler
47 (gdb::unique_xmalloc_ptr<char> &&cmd);
49 /* These are hooks that we put in place while doing interpreter_exec
50 so we can report interesting things that happened "behind the MI's
51 back" in this command. */
53 static int mi_interp_query_hook (const char *ctlstr, va_list ap)
54 ATTRIBUTE_PRINTF (1, 0);
56 static void mi_insert_notify_hooks (void);
57 static void mi_remove_notify_hooks (void);
59 static void mi_on_signal_received (enum gdb_signal siggnal);
60 static void mi_on_end_stepping_range (void);
61 static void mi_on_signal_exited (enum gdb_signal siggnal);
62 static void mi_on_exited (int exitstatus);
63 static void mi_on_normal_stop (struct bpstats *bs, int print_frame);
64 static void mi_on_no_history (void);
66 static void mi_new_thread (struct thread_info *t);
67 static void mi_thread_exit (struct thread_info *t, int silent);
68 static void mi_record_changed (struct inferior*, int, const char *,
70 static void mi_inferior_added (struct inferior *inf);
71 static void mi_inferior_appeared (struct inferior *inf);
72 static void mi_inferior_exit (struct inferior *inf);
73 static void mi_inferior_removed (struct inferior *inf);
74 static void mi_on_resume (ptid_t ptid);
75 static void mi_solib_loaded (struct so_list *solib);
76 static void mi_solib_unloaded (struct so_list *solib);
77 static void mi_about_to_proceed (void);
78 static void mi_traceframe_changed (int tfnum, int tpnum);
79 static void mi_tsv_created (const struct trace_state_variable *tsv);
80 static void mi_tsv_deleted (const struct trace_state_variable *tsv);
81 static void mi_tsv_modified (const struct trace_state_variable *tsv);
82 static void mi_breakpoint_created (struct breakpoint *b);
83 static void mi_breakpoint_deleted (struct breakpoint *b);
84 static void mi_breakpoint_modified (struct breakpoint *b);
85 static void mi_command_param_changed (const char *param, const char *value);
86 static void mi_memory_changed (struct inferior *inf, CORE_ADDR memaddr,
87 ssize_t len, const bfd_byte *myaddr);
88 static void mi_on_sync_execution_done (void);
90 static int report_initial_inferior (struct inferior *inf, void *closure);
92 /* Display the MI prompt. */
95 display_mi_prompt (struct mi_interp *mi)
97 struct ui *ui = current_ui;
99 fputs_unfiltered ("(gdb) \n", mi->raw_stdout);
100 gdb_flush (mi->raw_stdout);
101 ui->prompt_state = PROMPTED;
104 /* Returns the INTERP's data cast as mi_interp if INTERP is an MI, and
105 returns NULL otherwise. */
107 static struct mi_interp *
108 as_mi_interp (struct interp *interp)
110 return dynamic_cast<mi_interp *> (interp);
114 mi_interp::init (bool top_level)
116 mi_interp *mi = this;
119 /* Store the current output channel, so that we can create a console
120 channel that encapsulates and prefixes all gdb_output-type bits
121 coming from the rest of the debugger. */
122 mi->raw_stdout = gdb_stdout;
124 /* Create MI console channels, each with a different prefix so they
125 can be distinguished. */
126 mi->out = new mi_console_file (mi->raw_stdout, "~", '"');
127 mi->err = new mi_console_file (mi->raw_stdout, "&", '"');
129 mi->targ = new mi_console_file (mi->raw_stdout, "@", '"');
130 mi->event_channel = new mi_console_file (mi->raw_stdout, "=", 0);
132 /* INTERP_MI selects the most recent released version. "mi2" was
133 released as part of GDB 6.0. */
134 if (strcmp (name (), INTERP_MI) == 0)
136 else if (strcmp (name (), INTERP_MI1) == 0)
138 else if (strcmp (name (), INTERP_MI2) == 0)
140 else if (strcmp (name (), INTERP_MI3) == 0)
143 gdb_assert_not_reached ("unhandled MI version");
145 mi->mi_uiout = mi_out_new (mi_version);
146 mi->cli_uiout = cli_out_new (mi->out);
150 /* The initial inferior is created before this function is
151 called, so we need to report it explicitly. Use iteration in
152 case future version of GDB creates more than one inferior
154 iterate_over_inferiors (report_initial_inferior, mi);
161 struct mi_interp *mi = this;
162 struct ui *ui = current_ui;
164 /* As per hack note in mi_interpreter_init, swap in the output
166 gdb_setup_readline (0);
168 ui->call_readline = gdb_readline_no_editing_callback;
169 ui->input_handler = mi_execute_command_input_handler;
171 gdb_stdout = mi->out;
172 /* Route error and log output through the MI. */
173 gdb_stderr = mi->err;
174 gdb_stdlog = mi->log;
175 /* Route target output through the MI. */
176 gdb_stdtarg = mi->targ;
177 /* Route target error through the MI as well. */
178 gdb_stdtargerr = mi->targ;
180 /* Replace all the hooks that we know about. There really needs to
181 be a better way of doing this... */
182 clear_interpreter_hooks ();
184 deprecated_show_load_progress = mi_load_progress;
188 mi_interp::suspend ()
190 gdb_disable_readline ();
194 mi_interp::exec (const char *command)
196 mi_execute_command_wrapper (command);
197 return exception_none;
201 mi_cmd_interpreter_exec (const char *command, char **argv, int argc)
203 struct interp *interp_to_use;
207 error (_("-interpreter-exec: "
208 "Usage: -interpreter-exec interp command"));
210 interp_to_use = interp_lookup (current_ui, argv[0]);
211 if (interp_to_use == NULL)
212 error (_("-interpreter-exec: could not find interpreter \"%s\""),
215 /* Note that unlike the CLI version of this command, we don't
216 actually set INTERP_TO_USE as the current interpreter, as we
217 still want gdb_stdout, etc. to point at MI streams. */
219 /* Insert the MI out hooks, making sure to also call the
220 interpreter's hooks if it has any. */
221 /* KRS: We shouldn't need this... Events should be installed and
222 they should just ALWAYS fire something out down the MI
224 mi_insert_notify_hooks ();
226 /* Now run the code. */
228 std::string mi_error_message;
229 for (i = 1; i < argc; i++)
231 struct gdb_exception e = interp_exec (interp_to_use, argv[i]);
235 mi_error_message = e.message;
240 mi_remove_notify_hooks ();
242 if (!mi_error_message.empty ())
243 error ("%s", mi_error_message.c_str ());
246 /* This inserts a number of hooks that are meant to produce
247 async-notify ("=") MI messages while running commands in another
248 interpreter using mi_interpreter_exec. The canonical use for this
249 is to allow access to the gdb CLI interpreter from within the MI,
250 while still producing MI style output when actions in the CLI
251 command change GDB's state. */
254 mi_insert_notify_hooks (void)
256 deprecated_query_hook = mi_interp_query_hook;
260 mi_remove_notify_hooks (void)
262 deprecated_query_hook = NULL;
266 mi_interp_query_hook (const char *ctlstr, va_list ap)
272 mi_execute_command_wrapper (const char *cmd)
274 struct ui *ui = current_ui;
276 mi_execute_command (cmd, ui->instream == ui->stdin_stream);
279 /* Observer for the synchronous_command_done notification. */
282 mi_on_sync_execution_done (void)
284 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
289 /* If MI is sync, then output the MI prompt now, indicating we're
290 ready for further input. */
292 display_mi_prompt (mi);
295 /* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */
298 mi_execute_command_input_handler (gdb::unique_xmalloc_ptr<char> &&cmd)
300 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
301 struct ui *ui = current_ui;
303 ui->prompt_state = PROMPT_NEEDED;
305 mi_execute_command_wrapper (cmd.get ());
307 /* Print a prompt, indicating we're ready for further input, unless
308 we just started a synchronous command. In that case, we're about
309 to go back to the event loop and will output the prompt in the
310 'synchronous_command_done' observer when the target next
312 if (ui->prompt_state == PROMPT_NEEDED)
313 display_mi_prompt (mi);
317 mi_interp::pre_command_loop ()
319 struct mi_interp *mi = this;
321 /* Turn off 8 bit strings in quoted output. Any character with the
322 high bit set is printed using C's octal format. */
323 sevenbit_strings = 1;
325 /* Tell the world that we're alive. */
326 display_mi_prompt (mi);
330 mi_new_thread (struct thread_info *t)
332 SWITCH_THRU_ALL_UIS ()
334 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
339 target_terminal::scoped_restore_terminal_state term_state;
340 target_terminal::ours_for_output ();
342 fprintf_unfiltered (mi->event_channel,
343 "thread-created,id=\"%d\",group-id=\"i%d\"",
344 t->global_num, t->inf->num);
345 gdb_flush (mi->event_channel);
350 mi_thread_exit (struct thread_info *t, int silent)
355 SWITCH_THRU_ALL_UIS ()
357 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
362 target_terminal::scoped_restore_terminal_state term_state;
363 target_terminal::ours_for_output ();
364 fprintf_unfiltered (mi->event_channel,
365 "thread-exited,id=\"%d\",group-id=\"i%d\"",
366 t->global_num, t->inf->num);
367 gdb_flush (mi->event_channel);
371 /* Emit notification on changing the state of record. */
374 mi_record_changed (struct inferior *inferior, int started, const char *method,
377 SWITCH_THRU_ALL_UIS ()
379 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
384 target_terminal::scoped_restore_terminal_state term_state;
385 target_terminal::ours_for_output ();
391 fprintf_unfiltered (mi->event_channel,
392 "record-started,thread-group=\"i%d\","
393 "method=\"%s\",format=\"%s\"",
394 inferior->num, method, format);
398 fprintf_unfiltered (mi->event_channel,
399 "record-started,thread-group=\"i%d\","
401 inferior->num, method);
406 fprintf_unfiltered (mi->event_channel,
407 "record-stopped,thread-group=\"i%d\"",
411 gdb_flush (mi->event_channel);
416 mi_inferior_added (struct inferior *inf)
418 SWITCH_THRU_ALL_UIS ()
420 struct interp *interp;
421 struct mi_interp *mi;
423 /* We'll be called once for the initial inferior, before the top
424 level interpreter is set. */
425 interp = top_level_interpreter ();
429 mi = as_mi_interp (interp);
433 target_terminal::scoped_restore_terminal_state term_state;
434 target_terminal::ours_for_output ();
436 fprintf_unfiltered (mi->event_channel,
437 "thread-group-added,id=\"i%d\"",
439 gdb_flush (mi->event_channel);
444 mi_inferior_appeared (struct inferior *inf)
446 SWITCH_THRU_ALL_UIS ()
448 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
453 target_terminal::scoped_restore_terminal_state term_state;
454 target_terminal::ours_for_output ();
456 fprintf_unfiltered (mi->event_channel,
457 "thread-group-started,id=\"i%d\",pid=\"%d\"",
459 gdb_flush (mi->event_channel);
464 mi_inferior_exit (struct inferior *inf)
466 SWITCH_THRU_ALL_UIS ()
468 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
473 target_terminal::scoped_restore_terminal_state term_state;
474 target_terminal::ours_for_output ();
476 if (inf->has_exit_code)
477 fprintf_unfiltered (mi->event_channel,
478 "thread-group-exited,id=\"i%d\",exit-code=\"%s\"",
479 inf->num, int_string (inf->exit_code, 8, 0, 0, 1));
481 fprintf_unfiltered (mi->event_channel,
482 "thread-group-exited,id=\"i%d\"", inf->num);
484 gdb_flush (mi->event_channel);
489 mi_inferior_removed (struct inferior *inf)
491 SWITCH_THRU_ALL_UIS ()
493 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
498 target_terminal::scoped_restore_terminal_state term_state;
499 target_terminal::ours_for_output ();
501 fprintf_unfiltered (mi->event_channel,
502 "thread-group-removed,id=\"i%d\"",
504 gdb_flush (mi->event_channel);
508 /* Return the MI interpreter, if it is active -- either because it's
509 the top-level interpreter or the interpreter executing the current
510 command. Returns NULL if the MI interpreter is not being used. */
512 static struct mi_interp *
513 find_mi_interp (void)
515 struct mi_interp *mi;
517 mi = as_mi_interp (top_level_interpreter ());
521 mi = as_mi_interp (command_interp ());
528 /* Observers for several run control events that print why the
529 inferior has stopped to both the MI event channel and to the MI
530 console. If the MI interpreter is not active, print nothing. */
532 /* Observer for the signal_received notification. */
535 mi_on_signal_received (enum gdb_signal siggnal)
537 SWITCH_THRU_ALL_UIS ()
539 struct mi_interp *mi = find_mi_interp ();
544 print_signal_received_reason (mi->mi_uiout, siggnal);
545 print_signal_received_reason (mi->cli_uiout, siggnal);
549 /* Observer for the end_stepping_range notification. */
552 mi_on_end_stepping_range (void)
554 SWITCH_THRU_ALL_UIS ()
556 struct mi_interp *mi = find_mi_interp ();
561 print_end_stepping_range_reason (mi->mi_uiout);
562 print_end_stepping_range_reason (mi->cli_uiout);
566 /* Observer for the signal_exited notification. */
569 mi_on_signal_exited (enum gdb_signal siggnal)
571 SWITCH_THRU_ALL_UIS ()
573 struct mi_interp *mi = find_mi_interp ();
578 print_signal_exited_reason (mi->mi_uiout, siggnal);
579 print_signal_exited_reason (mi->cli_uiout, siggnal);
583 /* Observer for the exited notification. */
586 mi_on_exited (int exitstatus)
588 SWITCH_THRU_ALL_UIS ()
590 struct mi_interp *mi = find_mi_interp ();
595 print_exited_reason (mi->mi_uiout, exitstatus);
596 print_exited_reason (mi->cli_uiout, exitstatus);
600 /* Observer for the no_history notification. */
603 mi_on_no_history (void)
605 SWITCH_THRU_ALL_UIS ()
607 struct mi_interp *mi = find_mi_interp ();
612 print_no_history_reason (mi->mi_uiout);
613 print_no_history_reason (mi->cli_uiout);
618 mi_on_normal_stop_1 (struct bpstats *bs, int print_frame)
620 /* Since this can be called when CLI command is executing,
621 using cli interpreter, be sure to use MI uiout for output,
622 not the current one. */
623 struct ui_out *mi_uiout = top_level_interpreter ()->interp_ui_out ();
624 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter ();
628 struct thread_info *tp;
630 struct interp *console_interp;
632 tp = inferior_thread ();
634 if (tp->thread_fsm != NULL
635 && thread_fsm_finished_p (tp->thread_fsm))
637 enum async_reply_reason reason;
639 reason = thread_fsm_async_reply_reason (tp->thread_fsm);
640 mi_uiout->field_string ("reason", async_reason_lookup (reason));
642 print_stop_event (mi_uiout);
644 console_interp = interp_lookup (current_ui, INTERP_CONSOLE);
645 if (should_print_stop_to_console (console_interp, tp))
646 print_stop_event (mi->cli_uiout);
648 mi_uiout->field_int ("thread-id", tp->global_num);
651 ui_out_emit_list list_emitter (mi_uiout, "stopped-threads");
653 mi_uiout->field_int (NULL, tp->global_num);
656 mi_uiout->field_string ("stopped-threads", "all");
658 core = target_core_of_thread (tp->ptid);
660 mi_uiout->field_int ("core", core);
663 fputs_unfiltered ("*stopped", mi->raw_stdout);
664 mi_out_put (mi_uiout, mi->raw_stdout);
665 mi_out_rewind (mi_uiout);
666 mi_print_timing_maybe (mi->raw_stdout);
667 fputs_unfiltered ("\n", mi->raw_stdout);
668 gdb_flush (mi->raw_stdout);
672 mi_on_normal_stop (struct bpstats *bs, int print_frame)
674 SWITCH_THRU_ALL_UIS ()
676 if (as_mi_interp (top_level_interpreter ()) == NULL)
679 mi_on_normal_stop_1 (bs, print_frame);
684 mi_about_to_proceed (void)
686 /* Suppress output while calling an inferior function. */
688 if (inferior_ptid != null_ptid)
690 struct thread_info *tp = inferior_thread ();
692 if (tp->control.in_infcall)
699 /* When the element is non-zero, no MI notifications will be emitted in
700 response to the corresponding observers. */
702 struct mi_suppress_notification mi_suppress_notification =
710 /* Emit notification on changing a traceframe. */
713 mi_traceframe_changed (int tfnum, int tpnum)
715 if (mi_suppress_notification.traceframe)
718 SWITCH_THRU_ALL_UIS ()
720 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
725 target_terminal::scoped_restore_terminal_state term_state;
726 target_terminal::ours_for_output ();
729 fprintf_unfiltered (mi->event_channel, "traceframe-changed,"
730 "num=\"%d\",tracepoint=\"%d\"\n",
733 fprintf_unfiltered (mi->event_channel, "traceframe-changed,end");
735 gdb_flush (mi->event_channel);
739 /* Emit notification on creating a trace state variable. */
742 mi_tsv_created (const struct trace_state_variable *tsv)
744 SWITCH_THRU_ALL_UIS ()
746 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
751 target_terminal::scoped_restore_terminal_state term_state;
752 target_terminal::ours_for_output ();
754 fprintf_unfiltered (mi->event_channel, "tsv-created,"
755 "name=\"%s\",initial=\"%s\"\n",
756 tsv->name.c_str (), plongest (tsv->initial_value));
758 gdb_flush (mi->event_channel);
762 /* Emit notification on deleting a trace state variable. */
765 mi_tsv_deleted (const struct trace_state_variable *tsv)
767 SWITCH_THRU_ALL_UIS ()
769 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
774 target_terminal::scoped_restore_terminal_state term_state;
775 target_terminal::ours_for_output ();
778 fprintf_unfiltered (mi->event_channel, "tsv-deleted,"
779 "name=\"%s\"\n", tsv->name.c_str ());
781 fprintf_unfiltered (mi->event_channel, "tsv-deleted\n");
783 gdb_flush (mi->event_channel);
787 /* Emit notification on modifying a trace state variable. */
790 mi_tsv_modified (const struct trace_state_variable *tsv)
792 SWITCH_THRU_ALL_UIS ()
794 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
795 struct ui_out *mi_uiout;
800 mi_uiout = top_level_interpreter ()->interp_ui_out ();
802 target_terminal::scoped_restore_terminal_state term_state;
803 target_terminal::ours_for_output ();
805 fprintf_unfiltered (mi->event_channel,
808 mi_uiout->redirect (mi->event_channel);
810 mi_uiout->field_string ("name", tsv->name);
811 mi_uiout->field_string ("initial",
812 plongest (tsv->initial_value));
813 if (tsv->value_known)
814 mi_uiout->field_string ("current", plongest (tsv->value));
816 mi_uiout->redirect (NULL);
818 gdb_flush (mi->event_channel);
822 /* Print breakpoint BP on MI's event channel. */
825 mi_print_breakpoint_for_event (struct mi_interp *mi, breakpoint *bp)
827 ui_out *mi_uiout = mi->interp_ui_out ();
829 /* We want the output from print_breakpoint to go to
830 mi->event_channel. One approach would be to just call
831 print_breakpoint, and then use mi_out_put to send the current
832 content of mi_uiout into mi->event_channel. However, that will
833 break if anything is output to mi_uiout prior to calling the
834 breakpoint_created notifications. So, we use
836 mi_uiout->redirect (mi->event_channel);
840 scoped_restore restore_uiout
841 = make_scoped_restore (¤t_uiout, mi_uiout);
843 print_breakpoint (bp);
845 CATCH (ex, RETURN_MASK_ALL)
847 exception_print (gdb_stderr, ex);
851 mi_uiout->redirect (NULL);
854 /* Emit notification about a created breakpoint. */
857 mi_breakpoint_created (struct breakpoint *b)
859 if (mi_suppress_notification.breakpoint)
865 SWITCH_THRU_ALL_UIS ()
867 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
872 target_terminal::scoped_restore_terminal_state term_state;
873 target_terminal::ours_for_output ();
875 fprintf_unfiltered (mi->event_channel,
876 "breakpoint-created");
877 mi_print_breakpoint_for_event (mi, b);
879 gdb_flush (mi->event_channel);
883 /* Emit notification about deleted breakpoint. */
886 mi_breakpoint_deleted (struct breakpoint *b)
888 if (mi_suppress_notification.breakpoint)
894 SWITCH_THRU_ALL_UIS ()
896 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
901 target_terminal::scoped_restore_terminal_state term_state;
902 target_terminal::ours_for_output ();
904 fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"",
907 gdb_flush (mi->event_channel);
911 /* Emit notification about modified breakpoint. */
914 mi_breakpoint_modified (struct breakpoint *b)
916 if (mi_suppress_notification.breakpoint)
922 SWITCH_THRU_ALL_UIS ()
924 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
929 target_terminal::scoped_restore_terminal_state term_state;
930 target_terminal::ours_for_output ();
931 fprintf_unfiltered (mi->event_channel,
932 "breakpoint-modified");
933 mi_print_breakpoint_for_event (mi, b);
935 gdb_flush (mi->event_channel);
940 mi_output_running (struct thread_info *thread)
942 SWITCH_THRU_ALL_UIS ()
944 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
949 fprintf_unfiltered (mi->raw_stdout,
950 "*running,thread-id=\"%d\"\n",
955 /* Return true if there are multiple inferiors loaded. This is used
956 for backwards compatibility -- if there's only one inferior, output
957 "all", otherwise, output each resumed thread individually. */
960 multiple_inferiors_p ()
963 for (inferior *inf ATTRIBUTE_UNUSED : all_non_exited_inferiors ())
974 mi_on_resume_1 (struct mi_interp *mi, ptid_t ptid)
976 /* To cater for older frontends, emit ^running, but do it only once
977 per each command. We do it here, since at this point we know
978 that the target was successfully resumed, and in non-async mode,
979 we won't return back to MI interpreter code until the target
980 is done running, so delaying the output of "^running" until then
981 will make it impossible for frontend to know what's going on.
983 In future (MI3), we'll be outputting "^done" here. */
984 if (!running_result_record_printed && mi_proceeded)
986 fprintf_unfiltered (mi->raw_stdout, "%s^running\n",
987 current_token ? current_token : "");
990 /* Backwards compatibility. If doing a wildcard resume and there's
991 only one inferior, output "all", otherwise, output each resumed
992 thread individually. */
993 if ((ptid == minus_one_ptid || ptid.is_pid ())
994 && !multiple_inferiors_p ())
995 fprintf_unfiltered (mi->raw_stdout, "*running,thread-id=\"all\"\n");
997 for (thread_info *tp : all_non_exited_threads (ptid))
998 mi_output_running (tp);
1000 if (!running_result_record_printed && mi_proceeded)
1002 running_result_record_printed = 1;
1003 /* This is what gdb used to do historically -- printing prompt
1004 even if it cannot actually accept any input. This will be
1005 surely removed for MI3, and may be removed even earlier. */
1006 if (current_ui->prompt_state == PROMPT_BLOCKED)
1007 fputs_unfiltered ("(gdb) \n", mi->raw_stdout);
1009 gdb_flush (mi->raw_stdout);
1013 mi_on_resume (ptid_t ptid)
1015 struct thread_info *tp = NULL;
1017 if (ptid == minus_one_ptid || ptid.is_pid ())
1018 tp = inferior_thread ();
1020 tp = find_thread_ptid (ptid);
1022 /* Suppress output while calling an inferior function. */
1023 if (tp->control.in_infcall)
1026 SWITCH_THRU_ALL_UIS ()
1028 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
1033 target_terminal::scoped_restore_terminal_state term_state;
1034 target_terminal::ours_for_output ();
1036 mi_on_resume_1 (mi, ptid);
1040 /* See mi-interp.h. */
1043 mi_output_solib_attribs (ui_out *uiout, struct so_list *solib)
1045 struct gdbarch *gdbarch = target_gdbarch ();
1047 uiout->field_string ("id", solib->so_original_name);
1048 uiout->field_string ("target-name", solib->so_original_name);
1049 uiout->field_string ("host-name", solib->so_name);
1050 uiout->field_int ("symbols-loaded", solib->symbols_loaded);
1051 if (!gdbarch_has_global_solist (target_gdbarch ()))
1052 uiout->field_fmt ("thread-group", "i%d", current_inferior ()->num);
1054 ui_out_emit_list list_emitter (uiout, "ranges");
1055 ui_out_emit_tuple tuple_emitter (uiout, NULL);
1056 if (solib->addr_high != 0)
1058 uiout->field_core_addr ("from", gdbarch, solib->addr_low);
1059 uiout->field_core_addr ("to", gdbarch, solib->addr_high);
1064 mi_solib_loaded (struct so_list *solib)
1066 SWITCH_THRU_ALL_UIS ()
1068 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
1069 struct ui_out *uiout;
1074 uiout = top_level_interpreter ()->interp_ui_out ();
1076 target_terminal::scoped_restore_terminal_state term_state;
1077 target_terminal::ours_for_output ();
1079 fprintf_unfiltered (mi->event_channel, "library-loaded");
1081 uiout->redirect (mi->event_channel);
1083 mi_output_solib_attribs (uiout, solib);
1085 uiout->redirect (NULL);
1087 gdb_flush (mi->event_channel);
1092 mi_solib_unloaded (struct so_list *solib)
1094 SWITCH_THRU_ALL_UIS ()
1096 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
1097 struct ui_out *uiout;
1102 uiout = top_level_interpreter ()->interp_ui_out ();
1104 target_terminal::scoped_restore_terminal_state term_state;
1105 target_terminal::ours_for_output ();
1107 fprintf_unfiltered (mi->event_channel, "library-unloaded");
1109 uiout->redirect (mi->event_channel);
1111 uiout->field_string ("id", solib->so_original_name);
1112 uiout->field_string ("target-name", solib->so_original_name);
1113 uiout->field_string ("host-name", solib->so_name);
1114 if (!gdbarch_has_global_solist (target_gdbarch ()))
1116 uiout->field_fmt ("thread-group", "i%d", current_inferior ()->num);
1119 uiout->redirect (NULL);
1121 gdb_flush (mi->event_channel);
1125 /* Emit notification about the command parameter change. */
1128 mi_command_param_changed (const char *param, const char *value)
1130 if (mi_suppress_notification.cmd_param_changed)
1133 SWITCH_THRU_ALL_UIS ()
1135 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
1136 struct ui_out *mi_uiout;
1141 mi_uiout = top_level_interpreter ()->interp_ui_out ();
1143 target_terminal::scoped_restore_terminal_state term_state;
1144 target_terminal::ours_for_output ();
1146 fprintf_unfiltered (mi->event_channel, "cmd-param-changed");
1148 mi_uiout->redirect (mi->event_channel);
1150 mi_uiout->field_string ("param", param);
1151 mi_uiout->field_string ("value", value);
1153 mi_uiout->redirect (NULL);
1155 gdb_flush (mi->event_channel);
1159 /* Emit notification about the target memory change. */
1162 mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr,
1163 ssize_t len, const bfd_byte *myaddr)
1165 if (mi_suppress_notification.memory)
1168 SWITCH_THRU_ALL_UIS ()
1170 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
1171 struct ui_out *mi_uiout;
1172 struct obj_section *sec;
1177 mi_uiout = top_level_interpreter ()->interp_ui_out ();
1179 target_terminal::scoped_restore_terminal_state term_state;
1180 target_terminal::ours_for_output ();
1182 fprintf_unfiltered (mi->event_channel, "memory-changed");
1184 mi_uiout->redirect (mi->event_channel);
1186 mi_uiout->field_fmt ("thread-group", "i%d", inferior->num);
1187 mi_uiout->field_core_addr ("addr", target_gdbarch (), memaddr);
1188 mi_uiout->field_fmt ("len", "%s", hex_string (len));
1190 /* Append 'type=code' into notification if MEMADDR falls in the range of
1191 sections contain code. */
1192 sec = find_pc_section (memaddr);
1193 if (sec != NULL && sec->objfile != NULL)
1195 flagword flags = bfd_get_section_flags (sec->objfile->obfd,
1196 sec->the_bfd_section);
1198 if (flags & SEC_CODE)
1199 mi_uiout->field_string ("type", "code");
1202 mi_uiout->redirect (NULL);
1204 gdb_flush (mi->event_channel);
1208 /* Emit an event when the selection context (inferior, thread, frame)
1212 mi_user_selected_context_changed (user_selected_what selection)
1214 struct thread_info *tp;
1216 /* Don't send an event if we're responding to an MI command. */
1217 if (mi_suppress_notification.user_selected_context)
1220 if (inferior_ptid != null_ptid)
1221 tp = inferior_thread ();
1225 SWITCH_THRU_ALL_UIS ()
1227 struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
1228 struct ui_out *mi_uiout;
1233 mi_uiout = top_level_interpreter ()->interp_ui_out ();
1235 mi_uiout->redirect (mi->event_channel);
1236 ui_out_redirect_pop redirect_popper (mi_uiout);
1238 target_terminal::scoped_restore_terminal_state term_state;
1239 target_terminal::ours_for_output ();
1241 if (selection & USER_SELECTED_INFERIOR)
1242 print_selected_inferior (mi->cli_uiout);
1245 && (selection & (USER_SELECTED_THREAD | USER_SELECTED_FRAME)))
1247 print_selected_thread_frame (mi->cli_uiout, selection);
1249 fprintf_unfiltered (mi->event_channel,
1250 "thread-selected,id=\"%d\"",
1253 if (tp->state != THREAD_RUNNING)
1255 if (has_stack_frames ())
1256 print_stack_frame_to_uiout (mi_uiout, get_selected_frame (NULL),
1261 gdb_flush (mi->event_channel);
1266 report_initial_inferior (struct inferior *inf, void *closure)
1268 /* This function is called from mi_interpreter_init, and since
1269 mi_inferior_added assumes that inferior is fully initialized
1270 and top_level_interpreter_data is set, we cannot call
1272 struct mi_interp *mi = (struct mi_interp *) closure;
1274 target_terminal::scoped_restore_terminal_state term_state;
1275 target_terminal::ours_for_output ();
1277 fprintf_unfiltered (mi->event_channel,
1278 "thread-group-added,id=\"i%d\"",
1280 gdb_flush (mi->event_channel);
1286 mi_interp::interp_ui_out ()
1288 return this->mi_uiout;
1291 /* Do MI-specific logging actions; save raw_stdout, and change all
1292 the consoles to use the supplied ui-file(s). */
1295 mi_interp::set_logging (ui_file_up logfile, bool logging_redirect)
1297 struct mi_interp *mi = this;
1299 if (logfile != NULL)
1301 mi->saved_raw_stdout = mi->raw_stdout;
1302 mi->raw_stdout = make_logging_output (mi->raw_stdout,
1303 std::move (logfile),
1309 delete mi->raw_stdout;
1310 mi->raw_stdout = mi->saved_raw_stdout;
1311 mi->saved_raw_stdout = NULL;
1314 mi->out->set_raw (mi->raw_stdout);
1315 mi->err->set_raw (mi->raw_stdout);
1316 mi->log->set_raw (mi->raw_stdout);
1317 mi->targ->set_raw (mi->raw_stdout);
1318 mi->event_channel->set_raw (mi->raw_stdout);
1321 /* Factory for MI interpreters. */
1323 static struct interp *
1324 mi_interp_factory (const char *name)
1326 return new mi_interp (name);
1330 _initialize_mi_interp (void)
1332 /* The various interpreter levels. */
1333 interp_factory_register (INTERP_MI1, mi_interp_factory);
1334 interp_factory_register (INTERP_MI2, mi_interp_factory);
1335 interp_factory_register (INTERP_MI3, mi_interp_factory);
1336 interp_factory_register (INTERP_MI, mi_interp_factory);
1338 gdb::observers::signal_received.attach (mi_on_signal_received);
1339 gdb::observers::end_stepping_range.attach (mi_on_end_stepping_range);
1340 gdb::observers::signal_exited.attach (mi_on_signal_exited);
1341 gdb::observers::exited.attach (mi_on_exited);
1342 gdb::observers::no_history.attach (mi_on_no_history);
1343 gdb::observers::new_thread.attach (mi_new_thread);
1344 gdb::observers::thread_exit.attach (mi_thread_exit);
1345 gdb::observers::inferior_added.attach (mi_inferior_added);
1346 gdb::observers::inferior_appeared.attach (mi_inferior_appeared);
1347 gdb::observers::inferior_exit.attach (mi_inferior_exit);
1348 gdb::observers::inferior_removed.attach (mi_inferior_removed);
1349 gdb::observers::record_changed.attach (mi_record_changed);
1350 gdb::observers::normal_stop.attach (mi_on_normal_stop);
1351 gdb::observers::target_resumed.attach (mi_on_resume);
1352 gdb::observers::solib_loaded.attach (mi_solib_loaded);
1353 gdb::observers::solib_unloaded.attach (mi_solib_unloaded);
1354 gdb::observers::about_to_proceed.attach (mi_about_to_proceed);
1355 gdb::observers::traceframe_changed.attach (mi_traceframe_changed);
1356 gdb::observers::tsv_created.attach (mi_tsv_created);
1357 gdb::observers::tsv_deleted.attach (mi_tsv_deleted);
1358 gdb::observers::tsv_modified.attach (mi_tsv_modified);
1359 gdb::observers::breakpoint_created.attach (mi_breakpoint_created);
1360 gdb::observers::breakpoint_deleted.attach (mi_breakpoint_deleted);
1361 gdb::observers::breakpoint_modified.attach (mi_breakpoint_modified);
1362 gdb::observers::command_param_changed.attach (mi_command_param_changed);
1363 gdb::observers::memory_changed.attach (mi_memory_changed);
1364 gdb::observers::sync_execution_done.attach (mi_on_sync_execution_done);
1365 gdb::observers::user_selected_context_changed.attach
1366 (mi_user_selected_context_changed);