1 /* MI Interpreter Definitions and Commands for GDB, the GNU debugger.
3 Copyright (C) 2002-2016 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"
34 #include "gdbthread.h"
38 #include "tracepoint.h"
40 #include "thread-fsm.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 (char *cmd);
47 static void mi_command_loop (void *data);
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);
69 static void mi_inferior_added (struct inferior *inf);
70 static void mi_inferior_appeared (struct inferior *inf);
71 static void mi_inferior_exit (struct inferior *inf);
72 static void mi_inferior_removed (struct inferior *inf);
73 static void mi_on_resume (ptid_t ptid);
74 static void mi_solib_loaded (struct so_list *solib);
75 static void mi_solib_unloaded (struct so_list *solib);
76 static void mi_about_to_proceed (void);
77 static void mi_traceframe_changed (int tfnum, int tpnum);
78 static void mi_tsv_created (const struct trace_state_variable *tsv);
79 static void mi_tsv_deleted (const struct trace_state_variable *tsv);
80 static void mi_tsv_modified (const struct trace_state_variable *tsv);
81 static void mi_breakpoint_created (struct breakpoint *b);
82 static void mi_breakpoint_deleted (struct breakpoint *b);
83 static void mi_breakpoint_modified (struct breakpoint *b);
84 static void mi_command_param_changed (const char *param, const char *value);
85 static void mi_memory_changed (struct inferior *inf, CORE_ADDR memaddr,
86 ssize_t len, const bfd_byte *myaddr);
87 static void mi_on_sync_execution_done (void);
89 static int report_initial_inferior (struct inferior *inf, void *closure);
92 mi_interpreter_init (struct interp *interp, int top_level)
94 struct mi_interp *mi = XNEW (struct mi_interp);
98 /* Assign the output channel created at startup to its own global,
99 so that we can create a console channel that encapsulates and
100 prefixes all gdb_output-type bits coming from the rest of the
103 raw_stdout = gdb_stdout;
105 /* Create MI console channels, each with a different prefix so they
106 can be distinguished. */
107 mi->out = mi_console_file_new (raw_stdout, "~", '"');
108 mi->err = mi_console_file_new (raw_stdout, "&", '"');
110 mi->targ = mi_console_file_new (raw_stdout, "@", '"');
111 mi->event_channel = mi_console_file_new (raw_stdout, "=", 0);
113 name = interp_name (interp);
114 /* INTERP_MI selects the most recent released version. "mi2" was
115 released as part of GDB 6.0. */
116 if (strcmp (name, INTERP_MI) == 0)
118 else if (strcmp (name, INTERP_MI1) == 0)
120 else if (strcmp (name, INTERP_MI2) == 0)
122 else if (strcmp (name, INTERP_MI3) == 0)
125 gdb_assert_not_reached ("unhandled MI version");
127 mi->mi_uiout = mi_out_new (mi_version);
128 mi->cli_uiout = cli_out_new (mi->out);
130 /* There are installed even if MI is not the top level interpreter.
131 The callbacks themselves decide whether to be skipped. */
132 observer_attach_signal_received (mi_on_signal_received);
133 observer_attach_end_stepping_range (mi_on_end_stepping_range);
134 observer_attach_signal_exited (mi_on_signal_exited);
135 observer_attach_exited (mi_on_exited);
136 observer_attach_no_history (mi_on_no_history);
140 observer_attach_new_thread (mi_new_thread);
141 observer_attach_thread_exit (mi_thread_exit);
142 observer_attach_inferior_added (mi_inferior_added);
143 observer_attach_inferior_appeared (mi_inferior_appeared);
144 observer_attach_inferior_exit (mi_inferior_exit);
145 observer_attach_inferior_removed (mi_inferior_removed);
146 observer_attach_record_changed (mi_record_changed);
147 observer_attach_normal_stop (mi_on_normal_stop);
148 observer_attach_target_resumed (mi_on_resume);
149 observer_attach_solib_loaded (mi_solib_loaded);
150 observer_attach_solib_unloaded (mi_solib_unloaded);
151 observer_attach_about_to_proceed (mi_about_to_proceed);
152 observer_attach_traceframe_changed (mi_traceframe_changed);
153 observer_attach_tsv_created (mi_tsv_created);
154 observer_attach_tsv_deleted (mi_tsv_deleted);
155 observer_attach_tsv_modified (mi_tsv_modified);
156 observer_attach_breakpoint_created (mi_breakpoint_created);
157 observer_attach_breakpoint_deleted (mi_breakpoint_deleted);
158 observer_attach_breakpoint_modified (mi_breakpoint_modified);
159 observer_attach_command_param_changed (mi_command_param_changed);
160 observer_attach_memory_changed (mi_memory_changed);
161 observer_attach_sync_execution_done (mi_on_sync_execution_done);
163 /* The initial inferior is created before this function is
164 called, so we need to report it explicitly. Use iteration in
165 case future version of GDB creates more than one inferior
167 iterate_over_inferiors (report_initial_inferior, mi);
174 mi_interpreter_resume (void *data)
176 struct mi_interp *mi = (struct mi_interp *) data;
178 /* As per hack note in mi_interpreter_init, swap in the output
180 gdb_setup_readline ();
182 /* These overwrite some of the initialization done in
183 _intialize_event_loop. */
184 call_readline = gdb_readline_no_editing_callback;
185 input_handler = mi_execute_command_input_handler;
186 async_command_editing_p = 0;
187 /* FIXME: This is a total hack for now. PB's use of the MI
188 implicitly relies on a bug in the async support which allows
189 asynchronous commands to leak through the commmand loop. The bug
190 involves (but is not limited to) the fact that sync_execution was
191 erroneously initialized to 0. Duplicate by initializing it thus
195 gdb_stdout = mi->out;
196 /* Route error and log output through the MI. */
197 gdb_stderr = mi->err;
198 gdb_stdlog = mi->log;
199 /* Route target output through the MI. */
200 gdb_stdtarg = mi->targ;
201 /* Route target error through the MI as well. */
202 gdb_stdtargerr = mi->targ;
204 /* Replace all the hooks that we know about. There really needs to
205 be a better way of doing this... */
206 clear_interpreter_hooks ();
208 deprecated_show_load_progress = mi_load_progress;
214 mi_interpreter_suspend (void *data)
216 gdb_disable_readline ();
220 static struct gdb_exception
221 mi_interpreter_exec (void *data, const char *command)
223 mi_execute_command_wrapper (command);
224 return exception_none;
228 mi_cmd_interpreter_exec (char *command, char **argv, int argc)
230 struct interp *interp_to_use;
232 char *mi_error_message = NULL;
233 struct cleanup *old_chain;
236 error (_("-interpreter-exec: "
237 "Usage: -interpreter-exec interp command"));
239 interp_to_use = interp_lookup (argv[0]);
240 if (interp_to_use == NULL)
241 error (_("-interpreter-exec: could not find interpreter \"%s\""),
244 /* Note that unlike the CLI version of this command, we don't
245 actually set INTERP_TO_USE as the current interpreter, as we
246 still want gdb_stdout, etc. to point at MI streams. */
248 /* Insert the MI out hooks, making sure to also call the
249 interpreter's hooks if it has any. */
250 /* KRS: We shouldn't need this... Events should be installed and
251 they should just ALWAYS fire something out down the MI
253 mi_insert_notify_hooks ();
255 /* Now run the code. */
257 old_chain = make_cleanup (null_cleanup, 0);
258 for (i = 1; i < argc; i++)
260 struct gdb_exception e = interp_exec (interp_to_use, argv[i]);
264 mi_error_message = xstrdup (e.message);
265 make_cleanup (xfree, mi_error_message);
270 mi_remove_notify_hooks ();
272 if (mi_error_message != NULL)
273 error ("%s", mi_error_message);
274 do_cleanups (old_chain);
277 /* This inserts a number of hooks that are meant to produce
278 async-notify ("=") MI messages while running commands in another
279 interpreter using mi_interpreter_exec. The canonical use for this
280 is to allow access to the gdb CLI interpreter from within the MI,
281 while still producing MI style output when actions in the CLI
282 command change GDB's state. */
285 mi_insert_notify_hooks (void)
287 deprecated_query_hook = mi_interp_query_hook;
291 mi_remove_notify_hooks (void)
293 deprecated_query_hook = NULL;
297 mi_interp_query_hook (const char *ctlstr, va_list ap)
303 mi_execute_command_wrapper (const char *cmd)
305 mi_execute_command (cmd, stdin == instream);
308 /* Observer for the synchronous_command_done notification. */
311 mi_on_sync_execution_done (void)
313 /* If MI is sync, then output the MI prompt now, indicating we're
314 ready for further input. */
317 fputs_unfiltered ("(gdb) \n", raw_stdout);
318 gdb_flush (raw_stdout);
322 /* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */
325 mi_execute_command_input_handler (char *cmd)
327 mi_execute_command_wrapper (cmd);
329 /* Print a prompt, indicating we're ready for further input, unless
330 we just started a synchronous command. In that case, we're about
331 to go back to the event loop and will output the prompt in the
332 'synchronous_command_done' observer when the target next
336 fputs_unfiltered ("(gdb) \n", raw_stdout);
337 gdb_flush (raw_stdout);
342 mi_command_loop (void *data)
344 /* Turn off 8 bit strings in quoted output. Any character with the
345 high bit set is printed using C's octal format. */
346 sevenbit_strings = 1;
348 /* Tell the world that we're alive. */
349 fputs_unfiltered ("(gdb) \n", raw_stdout);
350 gdb_flush (raw_stdout);
356 mi_new_thread (struct thread_info *t)
358 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
359 struct inferior *inf = find_inferior_ptid (t->ptid);
360 struct cleanup *old_chain;
364 old_chain = make_cleanup_restore_target_terminal ();
365 target_terminal_ours_for_output ();
367 fprintf_unfiltered (mi->event_channel,
368 "thread-created,id=\"%d\",group-id=\"i%d\"",
369 t->global_num, inf->num);
370 gdb_flush (mi->event_channel);
372 do_cleanups (old_chain);
376 mi_thread_exit (struct thread_info *t, int silent)
378 struct mi_interp *mi;
379 struct inferior *inf;
380 struct cleanup *old_chain;
385 inf = find_inferior_ptid (t->ptid);
387 mi = (struct mi_interp *) top_level_interpreter_data ();
388 old_chain = make_cleanup_restore_target_terminal ();
389 target_terminal_ours_for_output ();
391 fprintf_unfiltered (mi->event_channel,
392 "thread-exited,id=\"%d\",group-id=\"i%d\"",
393 t->global_num, inf->num);
394 gdb_flush (mi->event_channel);
396 do_cleanups (old_chain);
399 /* Emit notification on changing the state of record. */
402 mi_record_changed (struct inferior *inferior, int started)
404 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
405 struct cleanup *old_chain;
407 old_chain = make_cleanup_restore_target_terminal ();
408 target_terminal_ours_for_output ();
410 fprintf_unfiltered (mi->event_channel, "record-%s,thread-group=\"i%d\"",
411 started ? "started" : "stopped", inferior->num);
413 gdb_flush (mi->event_channel);
415 do_cleanups (old_chain);
419 mi_inferior_added (struct inferior *inf)
421 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
422 struct cleanup *old_chain;
424 old_chain = make_cleanup_restore_target_terminal ();
425 target_terminal_ours_for_output ();
427 fprintf_unfiltered (mi->event_channel,
428 "thread-group-added,id=\"i%d\"",
430 gdb_flush (mi->event_channel);
432 do_cleanups (old_chain);
436 mi_inferior_appeared (struct inferior *inf)
438 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
439 struct cleanup *old_chain;
441 old_chain = make_cleanup_restore_target_terminal ();
442 target_terminal_ours_for_output ();
444 fprintf_unfiltered (mi->event_channel,
445 "thread-group-started,id=\"i%d\",pid=\"%d\"",
447 gdb_flush (mi->event_channel);
449 do_cleanups (old_chain);
453 mi_inferior_exit (struct inferior *inf)
455 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
456 struct cleanup *old_chain;
458 old_chain = make_cleanup_restore_target_terminal ();
459 target_terminal_ours_for_output ();
461 if (inf->has_exit_code)
462 fprintf_unfiltered (mi->event_channel,
463 "thread-group-exited,id=\"i%d\",exit-code=\"%s\"",
464 inf->num, int_string (inf->exit_code, 8, 0, 0, 1));
466 fprintf_unfiltered (mi->event_channel,
467 "thread-group-exited,id=\"i%d\"", inf->num);
468 gdb_flush (mi->event_channel);
470 do_cleanups (old_chain);
474 mi_inferior_removed (struct inferior *inf)
476 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
477 struct cleanup *old_chain;
479 old_chain = make_cleanup_restore_target_terminal ();
480 target_terminal_ours_for_output ();
482 fprintf_unfiltered (mi->event_channel,
483 "thread-group-removed,id=\"i%d\"",
485 gdb_flush (mi->event_channel);
487 do_cleanups (old_chain);
490 /* Return the MI interpreter, if it is active -- either because it's
491 the top-level interpreter or the interpreter executing the current
492 command. Returns NULL if the MI interpreter is not being used. */
494 static struct interp *
495 find_mi_interpreter (void)
497 struct interp *interp;
499 interp = top_level_interpreter ();
500 if (ui_out_is_mi_like_p (interp_ui_out (interp)))
503 interp = command_interp ();
504 if (ui_out_is_mi_like_p (interp_ui_out (interp)))
510 /* Return the MI_INTERP structure of the active MI interpreter.
511 Returns NULL if MI is not active. */
513 static struct mi_interp *
514 mi_interp_data (void)
516 struct interp *interp = find_mi_interpreter ();
519 return (struct mi_interp *) interp_data (interp);
523 /* Observers for several run control events that print why the
524 inferior has stopped to both the the MI event channel and to the MI
525 console. If the MI interpreter is not active, print nothing. */
527 /* Observer for the signal_received notification. */
530 mi_on_signal_received (enum gdb_signal siggnal)
532 struct mi_interp *mi = mi_interp_data ();
537 print_signal_received_reason (mi->mi_uiout, siggnal);
538 print_signal_received_reason (mi->cli_uiout, siggnal);
541 /* Observer for the end_stepping_range notification. */
544 mi_on_end_stepping_range (void)
546 struct mi_interp *mi = mi_interp_data ();
551 print_end_stepping_range_reason (mi->mi_uiout);
552 print_end_stepping_range_reason (mi->cli_uiout);
555 /* Observer for the signal_exited notification. */
558 mi_on_signal_exited (enum gdb_signal siggnal)
560 struct mi_interp *mi = mi_interp_data ();
565 print_signal_exited_reason (mi->mi_uiout, siggnal);
566 print_signal_exited_reason (mi->cli_uiout, siggnal);
569 /* Observer for the exited notification. */
572 mi_on_exited (int exitstatus)
574 struct mi_interp *mi = mi_interp_data ();
579 print_exited_reason (mi->mi_uiout, exitstatus);
580 print_exited_reason (mi->cli_uiout, exitstatus);
583 /* Observer for the no_history notification. */
586 mi_on_no_history (void)
588 struct mi_interp *mi = mi_interp_data ();
593 print_no_history_reason (mi->mi_uiout);
594 print_no_history_reason (mi->cli_uiout);
598 mi_on_normal_stop (struct bpstats *bs, int print_frame)
600 /* Since this can be called when CLI command is executing,
601 using cli interpreter, be sure to use MI uiout for output,
602 not the current one. */
603 struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
607 struct thread_info *tp;
610 tp = inferior_thread ();
612 if (tp->thread_fsm != NULL
613 && thread_fsm_finished_p (tp->thread_fsm))
615 enum async_reply_reason reason;
617 reason = thread_fsm_async_reply_reason (tp->thread_fsm);
618 ui_out_field_string (mi_uiout, "reason",
619 async_reason_lookup (reason));
621 print_stop_event (mi_uiout);
623 /* Breakpoint hits should always be mirrored to the console.
624 Deciding what to mirror to the console wrt to breakpoints and
625 random stops gets messy real fast. E.g., say "s" trips on a
626 breakpoint. We'd clearly want to mirror the event to the
627 console in this case. But what about more complicated cases
628 like "s&; thread n; s&", and one of those steps spawning a
629 new thread, and that thread hitting a breakpoint? It's
630 impossible in general to track whether the thread had any
631 relation to the commands that had been executed. So we just
632 simplify and always mirror breakpoints and random events to
635 OTOH, we should print the source line to the console when
636 stepping or other similar commands, iff the step was started
637 by a console command, but not if it was started with
638 -exec-step or similar. */
639 if ((bpstat_what (tp->control.stop_bpstat).main_action
640 == BPSTAT_WHAT_STOP_NOISY)
641 || !(tp->thread_fsm != NULL
642 && thread_fsm_finished_p (tp->thread_fsm))
643 || (tp->control.command_interp != NULL
644 && tp->control.command_interp != top_level_interpreter ()))
647 = (struct mi_interp *) top_level_interpreter_data ();
649 print_stop_event (mi->cli_uiout);
652 tp = inferior_thread ();
653 ui_out_field_int (mi_uiout, "thread-id", tp->global_num);
656 struct cleanup *back_to = make_cleanup_ui_out_list_begin_end
657 (mi_uiout, "stopped-threads");
659 ui_out_field_int (mi_uiout, NULL, tp->global_num);
660 do_cleanups (back_to);
663 ui_out_field_string (mi_uiout, "stopped-threads", "all");
665 core = target_core_of_thread (inferior_ptid);
667 ui_out_field_int (mi_uiout, "core", core);
670 fputs_unfiltered ("*stopped", raw_stdout);
671 mi_out_put (mi_uiout, raw_stdout);
672 mi_out_rewind (mi_uiout);
673 mi_print_timing_maybe ();
674 fputs_unfiltered ("\n", raw_stdout);
675 gdb_flush (raw_stdout);
679 mi_about_to_proceed (void)
681 /* Suppress output while calling an inferior function. */
683 if (!ptid_equal (inferior_ptid, null_ptid))
685 struct thread_info *tp = inferior_thread ();
687 if (tp->control.in_infcall)
694 /* When the element is non-zero, no MI notifications will be emitted in
695 response to the corresponding observers. */
697 struct mi_suppress_notification mi_suppress_notification =
704 /* Emit notification on changing a traceframe. */
707 mi_traceframe_changed (int tfnum, int tpnum)
709 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
710 struct cleanup *old_chain;
712 if (mi_suppress_notification.traceframe)
715 old_chain = make_cleanup_restore_target_terminal ();
716 target_terminal_ours_for_output ();
719 fprintf_unfiltered (mi->event_channel, "traceframe-changed,"
720 "num=\"%d\",tracepoint=\"%d\"\n",
723 fprintf_unfiltered (mi->event_channel, "traceframe-changed,end");
725 gdb_flush (mi->event_channel);
727 do_cleanups (old_chain);
730 /* Emit notification on creating a trace state variable. */
733 mi_tsv_created (const struct trace_state_variable *tsv)
735 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
736 struct cleanup *old_chain;
738 old_chain = make_cleanup_restore_target_terminal ();
739 target_terminal_ours_for_output ();
741 fprintf_unfiltered (mi->event_channel, "tsv-created,"
742 "name=\"%s\",initial=\"%s\"\n",
743 tsv->name, plongest (tsv->initial_value));
745 gdb_flush (mi->event_channel);
747 do_cleanups (old_chain);
750 /* Emit notification on deleting a trace state variable. */
753 mi_tsv_deleted (const struct trace_state_variable *tsv)
755 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
756 struct cleanup *old_chain;
758 old_chain = make_cleanup_restore_target_terminal ();
759 target_terminal_ours_for_output ();
762 fprintf_unfiltered (mi->event_channel, "tsv-deleted,"
763 "name=\"%s\"\n", tsv->name);
765 fprintf_unfiltered (mi->event_channel, "tsv-deleted\n");
767 gdb_flush (mi->event_channel);
769 do_cleanups (old_chain);
772 /* Emit notification on modifying a trace state variable. */
775 mi_tsv_modified (const struct trace_state_variable *tsv)
777 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
778 struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
779 struct cleanup *old_chain;
781 old_chain = make_cleanup_restore_target_terminal ();
782 target_terminal_ours_for_output ();
784 fprintf_unfiltered (mi->event_channel,
787 ui_out_redirect (mi_uiout, mi->event_channel);
789 ui_out_field_string (mi_uiout, "name", tsv->name);
790 ui_out_field_string (mi_uiout, "initial",
791 plongest (tsv->initial_value));
792 if (tsv->value_known)
793 ui_out_field_string (mi_uiout, "current", plongest (tsv->value));
795 ui_out_redirect (mi_uiout, NULL);
797 gdb_flush (mi->event_channel);
799 do_cleanups (old_chain);
802 /* Emit notification about a created breakpoint. */
805 mi_breakpoint_created (struct breakpoint *b)
807 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
808 struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
809 struct cleanup *old_chain;
811 if (mi_suppress_notification.breakpoint)
817 old_chain = make_cleanup_restore_target_terminal ();
818 target_terminal_ours_for_output ();
820 fprintf_unfiltered (mi->event_channel,
821 "breakpoint-created");
822 /* We want the output from gdb_breakpoint_query to go to
823 mi->event_channel. One approach would be to just call
824 gdb_breakpoint_query, and then use mi_out_put to send the current
825 content of mi_outout into mi->event_channel. However, that will
826 break if anything is output to mi_uiout prior to calling the
827 breakpoint_created notifications. So, we use
829 ui_out_redirect (mi_uiout, mi->event_channel);
832 gdb_breakpoint_query (mi_uiout, b->number, NULL);
834 CATCH (e, RETURN_MASK_ERROR)
839 ui_out_redirect (mi_uiout, NULL);
841 gdb_flush (mi->event_channel);
843 do_cleanups (old_chain);
846 /* Emit notification about deleted breakpoint. */
849 mi_breakpoint_deleted (struct breakpoint *b)
851 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
852 struct cleanup *old_chain;
854 if (mi_suppress_notification.breakpoint)
860 old_chain = make_cleanup_restore_target_terminal ();
861 target_terminal_ours_for_output ();
863 fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"",
866 gdb_flush (mi->event_channel);
868 do_cleanups (old_chain);
871 /* Emit notification about modified breakpoint. */
874 mi_breakpoint_modified (struct breakpoint *b)
876 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
877 struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
878 struct cleanup *old_chain;
880 if (mi_suppress_notification.breakpoint)
886 old_chain = make_cleanup_restore_target_terminal ();
887 target_terminal_ours_for_output ();
889 fprintf_unfiltered (mi->event_channel,
890 "breakpoint-modified");
891 /* We want the output from gdb_breakpoint_query to go to
892 mi->event_channel. One approach would be to just call
893 gdb_breakpoint_query, and then use mi_out_put to send the current
894 content of mi_outout into mi->event_channel. However, that will
895 break if anything is output to mi_uiout prior to calling the
896 breakpoint_created notifications. So, we use
898 ui_out_redirect (mi_uiout, mi->event_channel);
901 gdb_breakpoint_query (mi_uiout, b->number, NULL);
903 CATCH (e, RETURN_MASK_ERROR)
908 ui_out_redirect (mi_uiout, NULL);
910 gdb_flush (mi->event_channel);
912 do_cleanups (old_chain);
916 mi_output_running_pid (struct thread_info *info, void *arg)
918 ptid_t *ptid = (ptid_t *) arg;
920 if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid))
921 fprintf_unfiltered (raw_stdout,
922 "*running,thread-id=\"%d\"\n",
929 mi_inferior_count (struct inferior *inf, void *arg)
933 int *count_p = (int *) arg;
941 mi_on_resume (ptid_t ptid)
943 struct thread_info *tp = NULL;
945 if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid))
946 tp = inferior_thread ();
948 tp = find_thread_ptid (ptid);
950 /* Suppress output while calling an inferior function. */
951 if (tp->control.in_infcall)
954 /* To cater for older frontends, emit ^running, but do it only once
955 per each command. We do it here, since at this point we know
956 that the target was successfully resumed, and in non-async mode,
957 we won't return back to MI interpreter code until the target
958 is done running, so delaying the output of "^running" until then
959 will make it impossible for frontend to know what's going on.
961 In future (MI3), we'll be outputting "^done" here. */
962 if (!running_result_record_printed && mi_proceeded)
964 fprintf_unfiltered (raw_stdout, "%s^running\n",
965 current_token ? current_token : "");
968 if (ptid_get_pid (ptid) == -1)
969 fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n");
970 else if (ptid_is_pid (ptid))
974 /* Backwards compatibility. If there's only one inferior,
975 output "all", otherwise, output each resumed thread
977 iterate_over_inferiors (mi_inferior_count, &count);
980 fprintf_unfiltered (raw_stdout, "*running,thread-id=\"all\"\n");
982 iterate_over_threads (mi_output_running_pid, &ptid);
986 struct thread_info *ti = find_thread_ptid (ptid);
989 fprintf_unfiltered (raw_stdout, "*running,thread-id=\"%d\"\n",
993 if (!running_result_record_printed && mi_proceeded)
995 running_result_record_printed = 1;
996 /* This is what gdb used to do historically -- printing prompt even if
997 it cannot actually accept any input. This will be surely removed
998 for MI3, and may be removed even earlier. SYNC_EXECUTION is
999 checked here because we only need to emit a prompt if a
1000 synchronous command was issued when the target is async. */
1001 if (!target_can_async_p () || sync_execution)
1002 fputs_unfiltered ("(gdb) \n", raw_stdout);
1004 gdb_flush (raw_stdout);
1008 mi_solib_loaded (struct so_list *solib)
1010 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
1011 struct ui_out *uiout = interp_ui_out (top_level_interpreter ());
1012 struct cleanup *old_chain;
1014 old_chain = make_cleanup_restore_target_terminal ();
1015 target_terminal_ours_for_output ();
1017 fprintf_unfiltered (mi->event_channel, "library-loaded");
1019 ui_out_redirect (uiout, mi->event_channel);
1021 ui_out_field_string (uiout, "id", solib->so_original_name);
1022 ui_out_field_string (uiout, "target-name", solib->so_original_name);
1023 ui_out_field_string (uiout, "host-name", solib->so_name);
1024 ui_out_field_int (uiout, "symbols-loaded", solib->symbols_loaded);
1025 if (!gdbarch_has_global_solist (target_gdbarch ()))
1027 ui_out_field_fmt (uiout, "thread-group", "i%d",
1028 current_inferior ()->num);
1031 ui_out_redirect (uiout, NULL);
1033 gdb_flush (mi->event_channel);
1035 do_cleanups (old_chain);
1039 mi_solib_unloaded (struct so_list *solib)
1041 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
1042 struct ui_out *uiout = interp_ui_out (top_level_interpreter ());
1043 struct cleanup *old_chain;
1045 old_chain = make_cleanup_restore_target_terminal ();
1046 target_terminal_ours_for_output ();
1048 fprintf_unfiltered (mi->event_channel, "library-unloaded");
1050 ui_out_redirect (uiout, mi->event_channel);
1052 ui_out_field_string (uiout, "id", solib->so_original_name);
1053 ui_out_field_string (uiout, "target-name", solib->so_original_name);
1054 ui_out_field_string (uiout, "host-name", solib->so_name);
1055 if (!gdbarch_has_global_solist (target_gdbarch ()))
1057 ui_out_field_fmt (uiout, "thread-group", "i%d",
1058 current_inferior ()->num);
1061 ui_out_redirect (uiout, NULL);
1063 gdb_flush (mi->event_channel);
1065 do_cleanups (old_chain);
1068 /* Emit notification about the command parameter change. */
1071 mi_command_param_changed (const char *param, const char *value)
1073 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
1074 struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
1075 struct cleanup *old_chain;
1077 if (mi_suppress_notification.cmd_param_changed)
1080 old_chain = make_cleanup_restore_target_terminal ();
1081 target_terminal_ours_for_output ();
1083 fprintf_unfiltered (mi->event_channel,
1084 "cmd-param-changed");
1086 ui_out_redirect (mi_uiout, mi->event_channel);
1088 ui_out_field_string (mi_uiout, "param", param);
1089 ui_out_field_string (mi_uiout, "value", value);
1091 ui_out_redirect (mi_uiout, NULL);
1093 gdb_flush (mi->event_channel);
1095 do_cleanups (old_chain);
1098 /* Emit notification about the target memory change. */
1101 mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr,
1102 ssize_t len, const bfd_byte *myaddr)
1104 struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data ();
1105 struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
1106 struct obj_section *sec;
1107 struct cleanup *old_chain;
1109 if (mi_suppress_notification.memory)
1112 old_chain = make_cleanup_restore_target_terminal ();
1113 target_terminal_ours_for_output ();
1115 fprintf_unfiltered (mi->event_channel,
1118 ui_out_redirect (mi_uiout, mi->event_channel);
1120 ui_out_field_fmt (mi_uiout, "thread-group", "i%d", inferior->num);
1121 ui_out_field_core_addr (mi_uiout, "addr", target_gdbarch (), memaddr);
1122 ui_out_field_fmt (mi_uiout, "len", "%s", hex_string (len));
1124 /* Append 'type=code' into notification if MEMADDR falls in the range of
1125 sections contain code. */
1126 sec = find_pc_section (memaddr);
1127 if (sec != NULL && sec->objfile != NULL)
1129 flagword flags = bfd_get_section_flags (sec->objfile->obfd,
1130 sec->the_bfd_section);
1132 if (flags & SEC_CODE)
1133 ui_out_field_string (mi_uiout, "type", "code");
1136 ui_out_redirect (mi_uiout, NULL);
1138 gdb_flush (mi->event_channel);
1140 do_cleanups (old_chain);
1144 report_initial_inferior (struct inferior *inf, void *closure)
1146 /* This function is called from mi_intepreter_init, and since
1147 mi_inferior_added assumes that inferior is fully initialized
1148 and top_level_interpreter_data is set, we cannot call
1150 struct mi_interp *mi = (struct mi_interp *) closure;
1151 struct cleanup *old_chain;
1153 old_chain = make_cleanup_restore_target_terminal ();
1154 target_terminal_ours_for_output ();
1156 fprintf_unfiltered (mi->event_channel,
1157 "thread-group-added,id=\"i%d\"",
1159 gdb_flush (mi->event_channel);
1161 do_cleanups (old_chain);
1165 static struct ui_out *
1166 mi_ui_out (struct interp *interp)
1168 struct mi_interp *mi = (struct mi_interp *) interp_data (interp);
1170 return mi->mi_uiout;
1173 /* Save the original value of raw_stdout here when logging, so we can
1174 restore correctly when done. */
1176 static struct ui_file *saved_raw_stdout;
1178 /* Do MI-specific logging actions; save raw_stdout, and change all
1179 the consoles to use the supplied ui-file(s). */
1182 mi_set_logging (struct interp *interp, int start_log,
1183 struct ui_file *out, struct ui_file *logfile)
1185 struct mi_interp *mi = (struct mi_interp *) interp_data (interp);
1192 /* The tee created already is based on gdb_stdout, which for MI
1193 is a console and so we end up in an infinite loop of console
1194 writing to ui_file writing to console etc. So discard the
1195 existing tee (it hasn't been used yet, and MI won't ever use
1196 it), and create one based on raw_stdout instead. */
1199 ui_file_delete (out);
1200 out = tee_file_new (raw_stdout, 0, logfile, 0);
1203 saved_raw_stdout = raw_stdout;
1208 raw_stdout = saved_raw_stdout;
1209 saved_raw_stdout = NULL;
1212 mi_console_set_raw (mi->out, raw_stdout);
1213 mi_console_set_raw (mi->err, raw_stdout);
1214 mi_console_set_raw (mi->log, raw_stdout);
1215 mi_console_set_raw (mi->targ, raw_stdout);
1216 mi_console_set_raw (mi->event_channel, raw_stdout);
1221 extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */
1224 _initialize_mi_interp (void)
1226 static const struct interp_procs procs =
1228 mi_interpreter_init, /* init_proc */
1229 mi_interpreter_resume, /* resume_proc */
1230 mi_interpreter_suspend, /* suspend_proc */
1231 mi_interpreter_exec, /* exec_proc */
1232 mi_ui_out, /* ui_out_proc */
1233 mi_set_logging, /* set_logging_proc */
1234 mi_command_loop /* command_loop_proc */
1237 /* The various interpreter levels. */
1238 interp_add (interp_new (INTERP_MI1, &procs));
1239 interp_add (interp_new (INTERP_MI2, &procs));
1240 interp_add (interp_new (INTERP_MI3, &procs));
1241 interp_add (interp_new (INTERP_MI, &procs));