From 73ab01a07dfef77a9d845be2ef87754435eeffa1 Mon Sep 17 00:00:00 2001 From: Pedro Alves Date: Tue, 21 Jun 2016 01:11:45 +0100 Subject: [PATCH] Make the intepreters output to all UIs When we have multiple consoles, MI channels, etc., then we need to broadcast breakpoint hits, etc. to all UIs. In the past, I've adjusted most of the run control to communicate events to the interpreters through observer notifications, so events would be properly sent to console and MI streams, in sync and async modes. This patch does the next logical step -- have each interpreter's observers output interpreter-specific info to _all_ UIs. Note that when we have multiple instances of active cli/tui interpreters, then the cli_interp and tui_interp globals no longer work. This is addressed by this patch. Also, the interpreters currently register some observers when resumed and remove them when suspended. If we have multiple instances of the interpreters, and they can be suspended/resumed at different, independent times, that no longer works. What we instead do is always install the observers, and then have the observers themselves know when to do nothing. An earlier prototype of this series did the looping over struct UIs in common code, and then dispatched events to the interpreters through a matching interp_on_foo method for each observer. That turned out a lot more complicated than the present solution, as we'd end up with having to create a new interp method every time some interpreter wanted to listen to some observer notification, resulting in a lot of duplicated make-work and more coupling than desirable. gdb/ChangeLog: 2016-06-21 Pedro Alves * cli/cli-interp.c (cli_interp): Delete. (as_cli_interp): New function. (cli_on_normal_stop, cli_on_signal_received) (cli_on_end_stepping_range, cli_on_signal_exited, cli_on_exited) (cli_on_no_history): Send output to all CLI UIs. (cli_on_sync_execution_done, cli_on_command_error): Skip output if the top level interpreter is not a CLI. (cli_interpreter_init): Don't set cli_interp or install observers here. (_initialize_cli_interp): Install observers here. * event-top.c (main_ui_, ui_list): New globals. (current_ui): Point to main_ui_. (restore_ui_cleanup, switch_thru_all_uis_init) (switch_thru_all_uis_cond, switch_thru_all_uis_next): New functions. * mi/mi-interp.c (as_mi_interp): New function. (mi_interpreter_init): Don't install observers here. (mi_on_sync_execution_done): Skip output if the top level interpreter is not a MI. (mi_new_thread, mi_thread_exit, mi_record_changed) (mi_inferior_added, mi_inferior_appeared, mi_inferior_exit) (mi_inferior_removed): Send output to all MI UIs. (find_mi_interpreter, mi_interp_data): Delete. (find_mi_interp): New function. (mi_on_signal_received, mi_on_end_stepping_range) (mi_on_signal_exited, mi_on_exited, mi_on_no_history): Send output to all MI UIs. (mi_on_normal_stop): Rename to ... (mi_on_normal_stop_1): ... this. (mi_on_normal_stop): Reimplement, sending output to all MI UIs. (mi_traceframe_changed, mi_tsv_created, mi_tsv_deleted) (mi_tsv_modified, mi_breakpoint_created, mi_breakpoint_deleted) (mi_breakpoint_modified, mi_output_running_pid): Send output to all MI UIs. (mi_on_resume): Rename to ... (mi_on_resume_1): ... this. Don't handle infcalls here. (mi_on_resume): Reimplement, sending output to all MI UIs. (mi_solib_loaded, mi_solib_unloaded, mi_command_param_changed) (mi_memory_changed): Send output to all MI UIs. (report_initial_inferior): Install observers here. * top.h (struct ui) : New field. (ui_list): Declare. (struct switch_thru_all_uis): New. (switch_thru_all_uis_init, switch_thru_all_uis_cond) (switch_thru_all_uis_next): Declare. (SWITCH_THRU_ALL_UIS): New macro. * tui/tui-interp.c (tui_interp): Delete global. (as_tui_interp): New function. (tui_on_normal_stop, tui_on_signal_received) (tui_on_end_stepping_range, tui_on_signal_exited, tui_on_exited) (tui_on_no_history): Send output to all TUI UIs. (tui_on_sync_execution_done, tui_on_command_error): Skip output if the top level interpreter is not a TUI. (tui_init): Don't set tui_interp or install observers here. (_initialize_tui_interp): Install observers here. --- gdb/ChangeLog | 58 +++ gdb/cli/cli-interp.c | 127 ++++-- gdb/event-top.c | 51 ++- gdb/mi/mi-interp.c | 990 ++++++++++++++++++++++++++----------------- gdb/top.h | 29 ++ gdb/tui/tui-interp.c | 127 ++++-- 6 files changed, 935 insertions(+), 447 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 599f43af55..015cbafa32 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,61 @@ +2016-06-21 Pedro Alves + + * cli/cli-interp.c (cli_interp): Delete. + (as_cli_interp): New function. + (cli_on_normal_stop, cli_on_signal_received) + (cli_on_end_stepping_range, cli_on_signal_exited, cli_on_exited) + (cli_on_no_history): Send output to all CLI UIs. + (cli_on_sync_execution_done, cli_on_command_error): Skip output if + the top level interpreter is not a CLI. + (cli_interpreter_init): Don't set cli_interp or install observers + here. + (_initialize_cli_interp): Install observers here. + * event-top.c (main_ui_, ui_list): New globals. + (current_ui): Point to main_ui_. + (restore_ui_cleanup, switch_thru_all_uis_init) + (switch_thru_all_uis_cond, switch_thru_all_uis_next): New + functions. + * mi/mi-interp.c (as_mi_interp): New function. + (mi_interpreter_init): Don't install observers here. + (mi_on_sync_execution_done): Skip output if the top level + interpreter is not a MI. + (mi_new_thread, mi_thread_exit, mi_record_changed) + (mi_inferior_added, mi_inferior_appeared, mi_inferior_exit) + (mi_inferior_removed): Send output to all MI UIs. + (find_mi_interpreter, mi_interp_data): Delete. + (find_mi_interp): New function. + (mi_on_signal_received, mi_on_end_stepping_range) + (mi_on_signal_exited, mi_on_exited, mi_on_no_history): Send output + to all MI UIs. + (mi_on_normal_stop): Rename to ... + (mi_on_normal_stop_1): ... this. + (mi_on_normal_stop): Reimplement, sending output to all MI UIs. + (mi_traceframe_changed, mi_tsv_created, mi_tsv_deleted) + (mi_tsv_modified, mi_breakpoint_created, mi_breakpoint_deleted) + (mi_breakpoint_modified, mi_output_running_pid): Send output to + all MI UIs. + (mi_on_resume): Rename to ... + (mi_on_resume_1): ... this. Don't handle infcalls here. + (mi_on_resume): Reimplement, sending output to all MI UIs. + (mi_solib_loaded, mi_solib_unloaded, mi_command_param_changed) + (mi_memory_changed): Send output to all MI UIs. + (report_initial_inferior): Install observers here. + * top.h (struct ui) : New field. + (ui_list): Declare. + (struct switch_thru_all_uis): New. + (switch_thru_all_uis_init, switch_thru_all_uis_cond) + (switch_thru_all_uis_next): Declare. + (SWITCH_THRU_ALL_UIS): New macro. + * tui/tui-interp.c (tui_interp): Delete global. + (as_tui_interp): New function. + (tui_on_normal_stop, tui_on_signal_received) + (tui_on_end_stepping_range, tui_on_signal_exited, tui_on_exited) + (tui_on_no_history): Send output to all TUI UIs. + (tui_on_sync_execution_done, tui_on_command_error): Skip output if + the top level interpreter is not a TUI. + (tui_init): Don't set tui_interp or install observers here. + (_initialize_tui_interp): Install observers here. + 2016-06-21 Pedro Alves * cli/cli-interp.c (cli_uiout): Delete, moved into ... diff --git a/gdb/cli/cli-interp.c b/gdb/cli/cli-interp.c index 8eae0acc3b..2d200738b0 100644 --- a/gdb/cli/cli-interp.c +++ b/gdb/cli/cli-interp.c @@ -33,8 +33,16 @@ struct cli_interp struct ui_out *cli_uiout; }; -/* The interpreter for the console interpreter. */ -static struct interp *cli_interp; +/* Returns the INTERP's data cast as cli_interp if INTERP is a CLI, + and returns NULL otherwise. */ + +static struct cli_interp * +as_cli_interp (struct interp *interp) +{ + if (strcmp (interp_name (interp), INTERP_CONSOLE) == 0) + return (struct cli_interp *) interp_data (interp); + return NULL; +} /* Longjmp-safe wrapper for "execute_command". */ static struct gdb_exception safe_execute_command (struct ui_out *uiout, @@ -50,10 +58,17 @@ static struct gdb_exception safe_execute_command (struct ui_out *uiout, static void cli_on_normal_stop (struct bpstats *bs, int print_frame) { - if (!interp_quiet_p (cli_interp)) + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) { + struct cli_interp *cli = as_cli_interp (top_level_interpreter ()); + + if (cli == NULL) + continue; + if (print_frame) - print_stop_event (interp_ui_out (cli_interp)); + print_stop_event (cli->cli_uiout); } } @@ -62,8 +77,17 @@ cli_on_normal_stop (struct bpstats *bs, int print_frame) static void cli_on_signal_received (enum gdb_signal siggnal) { - if (!interp_quiet_p (cli_interp)) - print_signal_received_reason (interp_ui_out (cli_interp), siggnal); + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) + { + struct cli_interp *cli = as_cli_interp (top_level_interpreter ()); + + if (cli == NULL) + continue; + + print_signal_received_reason (cli->cli_uiout, siggnal); + } } /* Observer for the end_stepping_range notification. */ @@ -71,8 +95,17 @@ cli_on_signal_received (enum gdb_signal siggnal) static void cli_on_end_stepping_range (void) { - if (!interp_quiet_p (cli_interp)) - print_end_stepping_range_reason (interp_ui_out (cli_interp)); + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) + { + struct cli_interp *cli = as_cli_interp (top_level_interpreter ()); + + if (cli == NULL) + continue; + + print_end_stepping_range_reason (cli->cli_uiout); + } } /* Observer for the signalled notification. */ @@ -80,8 +113,17 @@ cli_on_end_stepping_range (void) static void cli_on_signal_exited (enum gdb_signal siggnal) { - if (!interp_quiet_p (cli_interp)) - print_signal_exited_reason (interp_ui_out (cli_interp), siggnal); + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) + { + struct cli_interp *cli = as_cli_interp (top_level_interpreter ()); + + if (cli == NULL) + continue; + + print_signal_exited_reason (cli->cli_uiout, siggnal); + } } /* Observer for the exited notification. */ @@ -89,8 +131,17 @@ cli_on_signal_exited (enum gdb_signal siggnal) static void cli_on_exited (int exitstatus) { - if (!interp_quiet_p (cli_interp)) - print_exited_reason (interp_ui_out (cli_interp), exitstatus); + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) + { + struct cli_interp *cli = as_cli_interp (top_level_interpreter ()); + + if (cli == NULL) + continue; + + print_exited_reason (cli->cli_uiout, exitstatus); + } } /* Observer for the no_history notification. */ @@ -98,8 +149,17 @@ cli_on_exited (int exitstatus) static void cli_on_no_history (void) { - if (!interp_quiet_p (cli_interp)) - print_no_history_reason (interp_ui_out (cli_interp)); + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) + { + struct cli_interp *cli = as_cli_interp (top_level_interpreter ()); + + if (cli == NULL) + continue; + + print_no_history_reason (cli->cli_uiout); + } } /* Observer for the sync_execution_done notification. */ @@ -107,8 +167,12 @@ cli_on_no_history (void) static void cli_on_sync_execution_done (void) { - if (!interp_quiet_p (cli_interp)) - display_gdb_prompt (NULL); + struct cli_interp *cli = as_cli_interp (top_level_interpreter ()); + + if (cli == NULL) + return; + + display_gdb_prompt (NULL); } /* Observer for the command_error notification. */ @@ -116,8 +180,12 @@ cli_on_sync_execution_done (void) static void cli_on_command_error (void) { - if (!interp_quiet_p (cli_interp)) - display_gdb_prompt (NULL); + struct cli_interp *cli = as_cli_interp (top_level_interpreter ()); + + if (cli == NULL) + return; + + display_gdb_prompt (NULL); } /* These implement the cli out interpreter: */ @@ -125,19 +193,6 @@ cli_on_command_error (void) static void * cli_interpreter_init (struct interp *self, int top_level) { - if (top_level) - cli_interp = self; - - /* If changing this, remember to update tui-interp.c as well. */ - observer_attach_normal_stop (cli_on_normal_stop); - observer_attach_end_stepping_range (cli_on_end_stepping_range); - observer_attach_signal_received (cli_on_signal_received); - observer_attach_signal_exited (cli_on_signal_exited); - observer_attach_exited (cli_on_exited); - observer_attach_no_history (cli_on_no_history); - observer_attach_sync_execution_done (cli_on_sync_execution_done); - observer_attach_command_error (cli_on_command_error); - return interp_data (self); } @@ -269,4 +324,14 @@ void _initialize_cli_interp (void) { interp_factory_register (INTERP_CONSOLE, cli_interp_factory); + + /* If changing this, remember to update tui-interp.c as well. */ + observer_attach_normal_stop (cli_on_normal_stop); + observer_attach_end_stepping_range (cli_on_end_stepping_range); + observer_attach_signal_received (cli_on_signal_received); + observer_attach_signal_exited (cli_on_signal_exited); + observer_attach_exited (cli_on_exited); + observer_attach_no_history (cli_on_no_history); + observer_attach_sync_execution_done (cli_on_sync_execution_done); + observer_attach_command_error (cli_on_command_error); } diff --git a/gdb/event-top.c b/gdb/event-top.c index 664543cfc6..c6e3b7ee36 100644 --- a/gdb/event-top.c +++ b/gdb/event-top.c @@ -437,8 +437,55 @@ top_level_prompt (void) return xstrdup (prompt); } -static struct ui current_ui_; -struct ui *current_ui = ¤t_ui_; +/* The main UI. This is the UI that is bound to stdin/stdout/stderr. + It always exists and is created automatically when GDB starts + up. */ +static struct ui main_ui_; + +struct ui *current_ui = &main_ui_; +struct ui *ui_list = &main_ui_; + +/* Cleanup that restores the current UI. */ + +static void +restore_ui_cleanup (void *data) +{ + current_ui = (struct ui *) data; +} + +/* See top.h. */ + +void +switch_thru_all_uis_init (struct switch_thru_all_uis *state) +{ + state->iter = ui_list; + state->old_chain = make_cleanup (restore_ui_cleanup, current_ui); +} + +/* See top.h. */ + +int +switch_thru_all_uis_cond (struct switch_thru_all_uis *state) +{ + if (state->iter != NULL) + { + current_ui = state->iter; + return 1; + } + else + { + do_cleanups (state->old_chain); + return 0; + } +} + +/* See top.h. */ + +void +switch_thru_all_uis_next (struct switch_thru_all_uis *state) +{ + state->iter = state->iter->next; +} /* Get a pointer to the current UI's line buffer. This is used to construct a whole line of input from partial input. */ diff --git a/gdb/mi/mi-interp.c b/gdb/mi/mi-interp.c index f8c007cf57..15652bceec 100644 --- a/gdb/mi/mi-interp.c +++ b/gdb/mi/mi-interp.c @@ -89,6 +89,17 @@ static void mi_on_sync_execution_done (void); static int report_initial_inferior (struct inferior *inf, void *closure); +/* Returns the INTERP's data cast as mi_interp if INTERP is an MI, and + returns NULL otherwise. */ + +static struct mi_interp * +as_mi_interp (struct interp *interp) +{ + if (ui_out_is_mi_like_p (interp_ui_out (interp))) + return (struct mi_interp *) interp_data (interp); + return NULL; +} + static void * mi_interpreter_init (struct interp *interp, int top_level) { @@ -128,39 +139,8 @@ mi_interpreter_init (struct interp *interp, int top_level) mi->mi_uiout = mi_out_new (mi_version); mi->cli_uiout = cli_out_new (mi->out); - /* There are installed even if MI is not the top level interpreter. - The callbacks themselves decide whether to be skipped. */ - observer_attach_signal_received (mi_on_signal_received); - observer_attach_end_stepping_range (mi_on_end_stepping_range); - observer_attach_signal_exited (mi_on_signal_exited); - observer_attach_exited (mi_on_exited); - observer_attach_no_history (mi_on_no_history); - if (top_level) { - observer_attach_new_thread (mi_new_thread); - observer_attach_thread_exit (mi_thread_exit); - observer_attach_inferior_added (mi_inferior_added); - observer_attach_inferior_appeared (mi_inferior_appeared); - observer_attach_inferior_exit (mi_inferior_exit); - observer_attach_inferior_removed (mi_inferior_removed); - observer_attach_record_changed (mi_record_changed); - observer_attach_normal_stop (mi_on_normal_stop); - observer_attach_target_resumed (mi_on_resume); - observer_attach_solib_loaded (mi_solib_loaded); - observer_attach_solib_unloaded (mi_solib_unloaded); - observer_attach_about_to_proceed (mi_about_to_proceed); - observer_attach_traceframe_changed (mi_traceframe_changed); - observer_attach_tsv_created (mi_tsv_created); - observer_attach_tsv_deleted (mi_tsv_deleted); - observer_attach_tsv_modified (mi_tsv_modified); - observer_attach_breakpoint_created (mi_breakpoint_created); - observer_attach_breakpoint_deleted (mi_breakpoint_deleted); - observer_attach_breakpoint_modified (mi_breakpoint_modified); - observer_attach_command_param_changed (mi_command_param_changed); - observer_attach_memory_changed (mi_memory_changed); - observer_attach_sync_execution_done (mi_on_sync_execution_done); - /* The initial inferior is created before this function is called, so we need to report it explicitly. Use iteration in case future version of GDB creates more than one inferior @@ -312,6 +292,12 @@ mi_execute_command_wrapper (const char *cmd) static void mi_on_sync_execution_done (void) { + struct ui *ui = current_ui; + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + + if (mi == NULL) + return; + /* If MI is sync, then output the MI prompt now, indicating we're ready for further input. */ if (!mi_async_p ()) @@ -357,45 +343,56 @@ mi_command_loop (void *data) static void mi_new_thread (struct thread_info *t) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); struct inferior *inf = find_inferior_ptid (t->ptid); - struct cleanup *old_chain; + struct switch_thru_all_uis state; gdb_assert (inf); - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; - fprintf_unfiltered (mi->event_channel, - "thread-created,id=\"%d\",group-id=\"i%d\"", - t->global_num, inf->num); - gdb_flush (mi->event_channel); + if (mi == NULL) + continue; - do_cleanups (old_chain); + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + + fprintf_unfiltered (mi->event_channel, + "thread-created,id=\"%d\",group-id=\"i%d\"", + t->global_num, inf->num); + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); + } } static void mi_thread_exit (struct thread_info *t, int silent) { - struct mi_interp *mi; - struct inferior *inf; - struct cleanup *old_chain; + struct switch_thru_all_uis state; if (silent) return; - inf = find_inferior_ptid (t->ptid); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; - mi = (struct mi_interp *) top_level_interpreter_data (); - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + if (mi == NULL) + continue; - fprintf_unfiltered (mi->event_channel, - "thread-exited,id=\"%d\",group-id=\"i%d\"", - t->global_num, inf->num); - gdb_flush (mi->event_channel); + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + fprintf_unfiltered (mi->event_channel, + "thread-exited,id=\"%d\",group-id=\"i%d\"", + t->global_num, t->inf->num); + gdb_flush (mi->event_channel); - do_cleanups (old_chain); + do_cleanups (old_chain); + } } /* Emit notification on changing the state of record. */ @@ -404,143 +401,177 @@ static void mi_record_changed (struct inferior *inferior, int started, const char *method, const char *format) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct cleanup *old_chain; + struct switch_thru_all_uis state; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); - - if (started) + SWITCH_THRU_ALL_UIS (state) { - if (format != NULL) + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; + + if (mi == NULL) + continue; + + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + + if (started) { - fprintf_unfiltered ( - mi->event_channel, - "record-started,thread-group=\"i%d\",method=\"%s\",format=\"%s\"", - inferior->num, method, format); + if (format != NULL) + { + fprintf_unfiltered (mi->event_channel, + "record-started,thread-group=\"i%d\"," + "method=\"%s\",format=\"%s\"", + inferior->num, method, format); + } + else + { + fprintf_unfiltered (mi->event_channel, + "record-started,thread-group=\"i%d\"," + "method=\"%s\"", + inferior->num, method); + } } else { - fprintf_unfiltered ( - mi->event_channel, - "record-started,thread-group=\"i%d\",method=\"%s\"", - inferior->num, method); + fprintf_unfiltered (mi->event_channel, + "record-stopped,thread-group=\"i%d\"", + inferior->num); } + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); } - else - { - fprintf_unfiltered (mi->event_channel, - "record-stopped,thread-group=\"i%d\"", inferior->num); - } - - - gdb_flush (mi->event_channel); - - do_cleanups (old_chain); } static void mi_inferior_added (struct inferior *inf) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct cleanup *old_chain; + struct switch_thru_all_uis state; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + SWITCH_THRU_ALL_UIS (state) + { + struct interp *interp; + struct mi_interp *mi; + struct cleanup *old_chain; - fprintf_unfiltered (mi->event_channel, - "thread-group-added,id=\"i%d\"", - inf->num); - gdb_flush (mi->event_channel); + /* We'll be called once for the initial inferior, before the top + level interpreter is set. */ + interp = top_level_interpreter (); + if (interp == NULL) + continue; - do_cleanups (old_chain); + mi = as_mi_interp (interp); + if (mi == NULL) + continue; + + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + + fprintf_unfiltered (mi->event_channel, + "thread-group-added,id=\"i%d\"", + inf->num); + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); + } } static void mi_inferior_appeared (struct inferior *inf) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct cleanup *old_chain; + struct switch_thru_all_uis state; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; - fprintf_unfiltered (mi->event_channel, - "thread-group-started,id=\"i%d\",pid=\"%d\"", - inf->num, inf->pid); - gdb_flush (mi->event_channel); + if (mi == NULL) + continue; - do_cleanups (old_chain); + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + + fprintf_unfiltered (mi->event_channel, + "thread-group-started,id=\"i%d\",pid=\"%d\"", + inf->num, inf->pid); + gdb_flush (mi->event_channel); + do_cleanups (old_chain); + } } static void mi_inferior_exit (struct inferior *inf) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct cleanup *old_chain; + struct switch_thru_all_uis state; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; - if (inf->has_exit_code) - fprintf_unfiltered (mi->event_channel, - "thread-group-exited,id=\"i%d\",exit-code=\"%s\"", - inf->num, int_string (inf->exit_code, 8, 0, 0, 1)); - else - fprintf_unfiltered (mi->event_channel, - "thread-group-exited,id=\"i%d\"", inf->num); - gdb_flush (mi->event_channel); + if (mi == NULL) + continue; - do_cleanups (old_chain); + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + + if (inf->has_exit_code) + fprintf_unfiltered (mi->event_channel, + "thread-group-exited,id=\"i%d\",exit-code=\"%s\"", + inf->num, int_string (inf->exit_code, 8, 0, 0, 1)); + else + fprintf_unfiltered (mi->event_channel, + "thread-group-exited,id=\"i%d\"", inf->num); + + gdb_flush (mi->event_channel); + do_cleanups (old_chain); + } } static void mi_inferior_removed (struct inferior *inf) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct cleanup *old_chain; + struct switch_thru_all_uis state; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; - fprintf_unfiltered (mi->event_channel, - "thread-group-removed,id=\"i%d\"", - inf->num); - gdb_flush (mi->event_channel); + if (mi == NULL) + continue; - do_cleanups (old_chain); + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + + fprintf_unfiltered (mi->event_channel, + "thread-group-removed,id=\"i%d\"", + inf->num); + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); + } } /* Return the MI interpreter, if it is active -- either because it's the top-level interpreter or the interpreter executing the current command. Returns NULL if the MI interpreter is not being used. */ -static struct interp * -find_mi_interpreter (void) -{ - struct interp *interp; - - interp = top_level_interpreter (); - if (ui_out_is_mi_like_p (interp_ui_out (interp))) - return interp; - - interp = command_interp (); - if (ui_out_is_mi_like_p (interp_ui_out (interp))) - return interp; - - return NULL; -} - -/* Return the MI_INTERP structure of the active MI interpreter. - Returns NULL if MI is not active. */ - static struct mi_interp * -mi_interp_data (void) +find_mi_interp (void) { - struct interp *interp = find_mi_interpreter (); + struct mi_interp *mi; + + mi = as_mi_interp (top_level_interpreter ()); + if (mi != NULL) + return mi; + + mi = as_mi_interp (command_interp ()); + if (mi != NULL) + return mi; - if (interp != NULL) - return (struct mi_interp *) interp_data (interp); return NULL; } @@ -553,13 +584,18 @@ mi_interp_data (void) static void mi_on_signal_received (enum gdb_signal siggnal) { - struct mi_interp *mi = mi_interp_data (); + struct switch_thru_all_uis state; - if (mi == NULL) - return; + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = find_mi_interp (); - print_signal_received_reason (mi->mi_uiout, siggnal); - print_signal_received_reason (mi->cli_uiout, siggnal); + if (mi == NULL) + continue; + + print_signal_received_reason (mi->mi_uiout, siggnal); + print_signal_received_reason (mi->cli_uiout, siggnal); + } } /* Observer for the end_stepping_range notification. */ @@ -567,13 +603,18 @@ mi_on_signal_received (enum gdb_signal siggnal) static void mi_on_end_stepping_range (void) { - struct mi_interp *mi = mi_interp_data (); + struct switch_thru_all_uis state; - if (mi == NULL) - return; + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = find_mi_interp (); - print_end_stepping_range_reason (mi->mi_uiout); - print_end_stepping_range_reason (mi->cli_uiout); + if (mi == NULL) + continue; + + print_end_stepping_range_reason (mi->mi_uiout); + print_end_stepping_range_reason (mi->cli_uiout); + } } /* Observer for the signal_exited notification. */ @@ -581,13 +622,18 @@ mi_on_end_stepping_range (void) static void mi_on_signal_exited (enum gdb_signal siggnal) { - struct mi_interp *mi = mi_interp_data (); + struct switch_thru_all_uis state; - if (mi == NULL) - return; + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = find_mi_interp (); - print_signal_exited_reason (mi->mi_uiout, siggnal); - print_signal_exited_reason (mi->cli_uiout, siggnal); + if (mi == NULL) + continue; + + print_signal_exited_reason (mi->mi_uiout, siggnal); + print_signal_exited_reason (mi->cli_uiout, siggnal); + } } /* Observer for the exited notification. */ @@ -595,13 +641,18 @@ mi_on_signal_exited (enum gdb_signal siggnal) static void mi_on_exited (int exitstatus) { - struct mi_interp *mi = mi_interp_data (); + struct switch_thru_all_uis state; - if (mi == NULL) - return; + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = find_mi_interp (); - print_exited_reason (mi->mi_uiout, exitstatus); - print_exited_reason (mi->cli_uiout, exitstatus); + if (mi == NULL) + continue; + + print_exited_reason (mi->mi_uiout, exitstatus); + print_exited_reason (mi->cli_uiout, exitstatus); + } } /* Observer for the no_history notification. */ @@ -609,17 +660,22 @@ mi_on_exited (int exitstatus) static void mi_on_no_history (void) { - struct mi_interp *mi = mi_interp_data (); + struct switch_thru_all_uis state; - if (mi == NULL) - return; + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = find_mi_interp (); - print_no_history_reason (mi->mi_uiout); - print_no_history_reason (mi->cli_uiout); + if (mi == NULL) + continue; + + print_no_history_reason (mi->mi_uiout); + print_no_history_reason (mi->cli_uiout); + } } static void -mi_on_normal_stop (struct bpstats *bs, int print_frame) +mi_on_normal_stop_1 (struct bpstats *bs, int print_frame) { /* Since this can be called when CLI command is executing, using cli interpreter, be sure to use MI uiout for output, @@ -699,6 +755,20 @@ mi_on_normal_stop (struct bpstats *bs, int print_frame) gdb_flush (raw_stdout); } +static void +mi_on_normal_stop (struct bpstats *bs, int print_frame) +{ + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) + { + if (as_mi_interp (top_level_interpreter ()) == NULL) + continue; + + mi_on_normal_stop_1 (bs, print_frame); + } +} + static void mi_about_to_proceed (void) { @@ -730,25 +800,33 @@ struct mi_suppress_notification mi_suppress_notification = static void mi_traceframe_changed (int tfnum, int tpnum) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct cleanup *old_chain; + struct switch_thru_all_uis state; if (mi_suppress_notification.traceframe) return; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; - if (tfnum >= 0) - fprintf_unfiltered (mi->event_channel, "traceframe-changed," - "num=\"%d\",tracepoint=\"%d\"\n", - tfnum, tpnum); - else - fprintf_unfiltered (mi->event_channel, "traceframe-changed,end"); + if (mi == NULL) + continue; - gdb_flush (mi->event_channel); + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); - do_cleanups (old_chain); + if (tfnum >= 0) + fprintf_unfiltered (mi->event_channel, "traceframe-changed," + "num=\"%d\",tracepoint=\"%d\"\n", + tfnum, tpnum); + else + fprintf_unfiltered (mi->event_channel, "traceframe-changed,end"); + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); + } } /* Emit notification on creating a trace state variable. */ @@ -756,19 +834,27 @@ mi_traceframe_changed (int tfnum, int tpnum) static void mi_tsv_created (const struct trace_state_variable *tsv) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct cleanup *old_chain; + struct switch_thru_all_uis state; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; - fprintf_unfiltered (mi->event_channel, "tsv-created," - "name=\"%s\",initial=\"%s\"\n", - tsv->name, plongest (tsv->initial_value)); + if (mi == NULL) + continue; - gdb_flush (mi->event_channel); + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); - do_cleanups (old_chain); + fprintf_unfiltered (mi->event_channel, "tsv-created," + "name=\"%s\",initial=\"%s\"\n", + tsv->name, plongest (tsv->initial_value)); + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); + } } /* Emit notification on deleting a trace state variable. */ @@ -776,21 +862,29 @@ mi_tsv_created (const struct trace_state_variable *tsv) static void mi_tsv_deleted (const struct trace_state_variable *tsv) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct cleanup *old_chain; + struct switch_thru_all_uis state; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; - if (tsv != NULL) - fprintf_unfiltered (mi->event_channel, "tsv-deleted," - "name=\"%s\"\n", tsv->name); - else - fprintf_unfiltered (mi->event_channel, "tsv-deleted\n"); + if (mi == NULL) + continue; - gdb_flush (mi->event_channel); + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); - do_cleanups (old_chain); + if (tsv != NULL) + fprintf_unfiltered (mi->event_channel, "tsv-deleted," + "name=\"%s\"\n", tsv->name); + else + fprintf_unfiltered (mi->event_channel, "tsv-deleted\n"); + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); + } } /* Emit notification on modifying a trace state variable. */ @@ -798,29 +892,39 @@ mi_tsv_deleted (const struct trace_state_variable *tsv) static void mi_tsv_modified (const struct trace_state_variable *tsv) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); - struct cleanup *old_chain; + struct switch_thru_all_uis state; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct ui_out *mi_uiout; + struct cleanup *old_chain; - fprintf_unfiltered (mi->event_channel, - "tsv-modified"); + if (mi == NULL) + continue; - ui_out_redirect (mi_uiout, mi->event_channel); + mi_uiout = interp_ui_out (top_level_interpreter ()); - ui_out_field_string (mi_uiout, "name", tsv->name); - ui_out_field_string (mi_uiout, "initial", - plongest (tsv->initial_value)); - if (tsv->value_known) - ui_out_field_string (mi_uiout, "current", plongest (tsv->value)); + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); - ui_out_redirect (mi_uiout, NULL); + fprintf_unfiltered (mi->event_channel, + "tsv-modified"); - gdb_flush (mi->event_channel); + ui_out_redirect (mi_uiout, mi->event_channel); - do_cleanups (old_chain); + ui_out_field_string (mi_uiout, "name", tsv->name); + ui_out_field_string (mi_uiout, "initial", + plongest (tsv->initial_value)); + if (tsv->value_known) + ui_out_field_string (mi_uiout, "current", plongest (tsv->value)); + + ui_out_redirect (mi_uiout, NULL); + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); + } } /* Emit notification about a created breakpoint. */ @@ -828,9 +932,7 @@ mi_tsv_modified (const struct trace_state_variable *tsv) static void mi_breakpoint_created (struct breakpoint *b) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); - struct cleanup *old_chain; + struct switch_thru_all_uis state; if (mi_suppress_notification.breakpoint) return; @@ -838,33 +940,45 @@ mi_breakpoint_created (struct breakpoint *b) if (b->number <= 0) return; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); - - fprintf_unfiltered (mi->event_channel, - "breakpoint-created"); - /* We want the output from gdb_breakpoint_query to go to - mi->event_channel. One approach would be to just call - gdb_breakpoint_query, and then use mi_out_put to send the current - content of mi_outout into mi->event_channel. However, that will - break if anything is output to mi_uiout prior to calling the - breakpoint_created notifications. So, we use - ui_out_redirect. */ - ui_out_redirect (mi_uiout, mi->event_channel); - TRY + SWITCH_THRU_ALL_UIS (state) { - gdb_breakpoint_query (mi_uiout, b->number, NULL); + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct ui_out *mi_uiout; + struct cleanup *old_chain; + + if (mi == NULL) + continue; + + mi_uiout = interp_ui_out (top_level_interpreter ()); + + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + + fprintf_unfiltered (mi->event_channel, + "breakpoint-created"); + /* We want the output from gdb_breakpoint_query to go to + mi->event_channel. One approach would be to just call + gdb_breakpoint_query, and then use mi_out_put to send the current + content of mi_outout into mi->event_channel. However, that will + break if anything is output to mi_uiout prior to calling the + breakpoint_created notifications. So, we use + ui_out_redirect. */ + ui_out_redirect (mi_uiout, mi->event_channel); + TRY + { + gdb_breakpoint_query (mi_uiout, b->number, NULL); + } + CATCH (e, RETURN_MASK_ERROR) + { + } + END_CATCH + + ui_out_redirect (mi_uiout, NULL); + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); } - CATCH (e, RETURN_MASK_ERROR) - { - } - END_CATCH - - ui_out_redirect (mi_uiout, NULL); - - gdb_flush (mi->event_channel); - - do_cleanups (old_chain); } /* Emit notification about deleted breakpoint. */ @@ -872,8 +986,7 @@ mi_breakpoint_created (struct breakpoint *b) static void mi_breakpoint_deleted (struct breakpoint *b) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct cleanup *old_chain; + struct switch_thru_all_uis state; if (mi_suppress_notification.breakpoint) return; @@ -881,15 +994,24 @@ mi_breakpoint_deleted (struct breakpoint *b) if (b->number <= 0) return; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; - fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"", - b->number); + if (mi == NULL) + continue; - gdb_flush (mi->event_channel); + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); - do_cleanups (old_chain); + fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"", + b->number); + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); + } } /* Emit notification about modified breakpoint. */ @@ -897,9 +1019,7 @@ mi_breakpoint_deleted (struct breakpoint *b) static void mi_breakpoint_modified (struct breakpoint *b) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); - struct cleanup *old_chain; + struct switch_thru_all_uis state; if (mi_suppress_notification.breakpoint) return; @@ -907,44 +1027,61 @@ mi_breakpoint_modified (struct breakpoint *b) if (b->number <= 0) return; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); - - fprintf_unfiltered (mi->event_channel, - "breakpoint-modified"); - /* We want the output from gdb_breakpoint_query to go to - mi->event_channel. One approach would be to just call - gdb_breakpoint_query, and then use mi_out_put to send the current - content of mi_outout into mi->event_channel. However, that will - break if anything is output to mi_uiout prior to calling the - breakpoint_created notifications. So, we use - ui_out_redirect. */ - ui_out_redirect (mi_uiout, mi->event_channel); - TRY + SWITCH_THRU_ALL_UIS (state) { - gdb_breakpoint_query (mi_uiout, b->number, NULL); + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; + + if (mi == NULL) + continue; + + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + fprintf_unfiltered (mi->event_channel, + "breakpoint-modified"); + /* We want the output from gdb_breakpoint_query to go to + mi->event_channel. One approach would be to just call + gdb_breakpoint_query, and then use mi_out_put to send the current + content of mi_outout into mi->event_channel. However, that will + break if anything is output to mi_uiout prior to calling the + breakpoint_created notifications. So, we use + ui_out_redirect. */ + ui_out_redirect (mi->mi_uiout, mi->event_channel); + TRY + { + gdb_breakpoint_query (mi->mi_uiout, b->number, NULL); + } + CATCH (e, RETURN_MASK_ERROR) + { + } + END_CATCH + + ui_out_redirect (mi->mi_uiout, NULL); + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); } - CATCH (e, RETURN_MASK_ERROR) - { - } - END_CATCH - - ui_out_redirect (mi_uiout, NULL); - - gdb_flush (mi->event_channel); - - do_cleanups (old_chain); } static int mi_output_running_pid (struct thread_info *info, void *arg) { ptid_t *ptid = (ptid_t *) arg; + struct switch_thru_all_uis state; - if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid)) - fprintf_unfiltered (raw_stdout, - "*running,thread-id=\"%d\"\n", - info->global_num); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + + if (mi == NULL) + continue; + + if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid)) + fprintf_unfiltered (raw_stdout, + "*running,thread-id=\"%d\"\n", + info->global_num); + } return 0; } @@ -962,19 +1099,8 @@ mi_inferior_count (struct inferior *inf, void *arg) } static void -mi_on_resume (ptid_t ptid) +mi_on_resume_1 (ptid_t ptid) { - struct thread_info *tp = NULL; - - if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid)) - tp = inferior_thread (); - else - tp = find_thread_ptid (ptid); - - /* Suppress output while calling an inferior function. */ - if (tp->control.in_infcall) - return; - /* To cater for older frontends, emit ^running, but do it only once per each command. We do it here, since at this point we know that the target was successfully resumed, and in non-async mode, @@ -1028,65 +1154,117 @@ mi_on_resume (ptid_t ptid) gdb_flush (raw_stdout); } +static void +mi_on_resume (ptid_t ptid) +{ + struct thread_info *tp = NULL; + struct switch_thru_all_uis state; + + if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid)) + tp = inferior_thread (); + else + tp = find_thread_ptid (ptid); + + /* Suppress output while calling an inferior function. */ + if (tp->control.in_infcall) + return; + + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct cleanup *old_chain; + + if (mi == NULL) + continue; + + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + + mi_on_resume_1 (ptid); + + do_cleanups (old_chain); + } +} + static void mi_solib_loaded (struct so_list *solib) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct ui_out *uiout = interp_ui_out (top_level_interpreter ()); - struct cleanup *old_chain; + struct switch_thru_all_uis state; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); - - fprintf_unfiltered (mi->event_channel, "library-loaded"); - - ui_out_redirect (uiout, mi->event_channel); - - ui_out_field_string (uiout, "id", solib->so_original_name); - ui_out_field_string (uiout, "target-name", solib->so_original_name); - ui_out_field_string (uiout, "host-name", solib->so_name); - ui_out_field_int (uiout, "symbols-loaded", solib->symbols_loaded); - if (!gdbarch_has_global_solist (target_gdbarch ())) + SWITCH_THRU_ALL_UIS (state) { - ui_out_field_fmt (uiout, "thread-group", "i%d", - current_inferior ()->num); + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct ui_out *uiout; + struct cleanup *old_chain; + + if (mi == NULL) + continue; + + uiout = interp_ui_out (top_level_interpreter ()); + + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + + fprintf_unfiltered (mi->event_channel, "library-loaded"); + + ui_out_redirect (uiout, mi->event_channel); + + ui_out_field_string (uiout, "id", solib->so_original_name); + ui_out_field_string (uiout, "target-name", solib->so_original_name); + ui_out_field_string (uiout, "host-name", solib->so_name); + ui_out_field_int (uiout, "symbols-loaded", solib->symbols_loaded); + if (!gdbarch_has_global_solist (target_gdbarch ())) + { + ui_out_field_fmt (uiout, "thread-group", "i%d", + current_inferior ()->num); + } + + ui_out_redirect (uiout, NULL); + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); } - - ui_out_redirect (uiout, NULL); - - gdb_flush (mi->event_channel); - - do_cleanups (old_chain); } static void mi_solib_unloaded (struct so_list *solib) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct ui_out *uiout = interp_ui_out (top_level_interpreter ()); - struct cleanup *old_chain; + struct switch_thru_all_uis state; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); - - fprintf_unfiltered (mi->event_channel, "library-unloaded"); - - ui_out_redirect (uiout, mi->event_channel); - - ui_out_field_string (uiout, "id", solib->so_original_name); - ui_out_field_string (uiout, "target-name", solib->so_original_name); - ui_out_field_string (uiout, "host-name", solib->so_name); - if (!gdbarch_has_global_solist (target_gdbarch ())) + SWITCH_THRU_ALL_UIS (state) { - ui_out_field_fmt (uiout, "thread-group", "i%d", - current_inferior ()->num); + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct ui_out *uiout; + struct cleanup *old_chain; + + if (mi == NULL) + continue; + + uiout = interp_ui_out (top_level_interpreter ()); + + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + + fprintf_unfiltered (mi->event_channel, "library-unloaded"); + + ui_out_redirect (uiout, mi->event_channel); + + ui_out_field_string (uiout, "id", solib->so_original_name); + ui_out_field_string (uiout, "target-name", solib->so_original_name); + ui_out_field_string (uiout, "host-name", solib->so_name); + if (!gdbarch_has_global_solist (target_gdbarch ())) + { + ui_out_field_fmt (uiout, "thread-group", "i%d", + current_inferior ()->num); + } + + ui_out_redirect (uiout, NULL); + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); } - - ui_out_redirect (uiout, NULL); - - gdb_flush (mi->event_channel); - - do_cleanups (old_chain); } /* Emit notification about the command parameter change. */ @@ -1094,29 +1272,38 @@ mi_solib_unloaded (struct so_list *solib) static void mi_command_param_changed (const char *param, const char *value) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); - struct cleanup *old_chain; + struct switch_thru_all_uis state; if (mi_suppress_notification.cmd_param_changed) return; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); + SWITCH_THRU_ALL_UIS (state) + { + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct ui_out *mi_uiout; + struct cleanup *old_chain; - fprintf_unfiltered (mi->event_channel, - "cmd-param-changed"); + if (mi == NULL) + continue; - ui_out_redirect (mi_uiout, mi->event_channel); + mi_uiout = interp_ui_out (top_level_interpreter ()); - ui_out_field_string (mi_uiout, "param", param); - ui_out_field_string (mi_uiout, "value", value); + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); - ui_out_redirect (mi_uiout, NULL); + fprintf_unfiltered (mi->event_channel, "cmd-param-changed"); - gdb_flush (mi->event_channel); + ui_out_redirect (mi_uiout, mi->event_channel); - do_cleanups (old_chain); + ui_out_field_string (mi_uiout, "param", param); + ui_out_field_string (mi_uiout, "value", value); + + ui_out_redirect (mi_uiout, NULL); + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); + } } /* Emit notification about the target memory change. */ @@ -1125,49 +1312,58 @@ static void mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr, ssize_t len, const bfd_byte *myaddr) { - struct mi_interp *mi = (struct mi_interp *) top_level_interpreter_data (); - struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); - struct obj_section *sec; - struct cleanup *old_chain; + struct switch_thru_all_uis state; if (mi_suppress_notification.memory) return; - old_chain = make_cleanup_restore_target_terminal (); - target_terminal_ours_for_output (); - - fprintf_unfiltered (mi->event_channel, - "memory-changed"); - - ui_out_redirect (mi_uiout, mi->event_channel); - - ui_out_field_fmt (mi_uiout, "thread-group", "i%d", inferior->num); - ui_out_field_core_addr (mi_uiout, "addr", target_gdbarch (), memaddr); - ui_out_field_fmt (mi_uiout, "len", "%s", hex_string (len)); - - /* Append 'type=code' into notification if MEMADDR falls in the range of - sections contain code. */ - sec = find_pc_section (memaddr); - if (sec != NULL && sec->objfile != NULL) + SWITCH_THRU_ALL_UIS (state) { - flagword flags = bfd_get_section_flags (sec->objfile->obfd, - sec->the_bfd_section); + struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); + struct ui_out *mi_uiout; + struct obj_section *sec; + struct cleanup *old_chain; - if (flags & SEC_CODE) - ui_out_field_string (mi_uiout, "type", "code"); + if (mi == NULL) + continue; + + mi_uiout = interp_ui_out (top_level_interpreter ()); + + old_chain = make_cleanup_restore_target_terminal (); + target_terminal_ours_for_output (); + + fprintf_unfiltered (mi->event_channel, "memory-changed"); + + ui_out_redirect (mi_uiout, mi->event_channel); + + ui_out_field_fmt (mi_uiout, "thread-group", "i%d", inferior->num); + ui_out_field_core_addr (mi_uiout, "addr", target_gdbarch (), memaddr); + ui_out_field_fmt (mi_uiout, "len", "%s", hex_string (len)); + + /* Append 'type=code' into notification if MEMADDR falls in the range of + sections contain code. */ + sec = find_pc_section (memaddr); + if (sec != NULL && sec->objfile != NULL) + { + flagword flags = bfd_get_section_flags (sec->objfile->obfd, + sec->the_bfd_section); + + if (flags & SEC_CODE) + ui_out_field_string (mi_uiout, "type", "code"); + } + + ui_out_redirect (mi_uiout, NULL); + + gdb_flush (mi->event_channel); + + do_cleanups (old_chain); } - - ui_out_redirect (mi_uiout, NULL); - - gdb_flush (mi->event_channel); - - do_cleanups (old_chain); } static int report_initial_inferior (struct inferior *inf, void *closure) { - /* This function is called from mi_intepreter_init, and since + /* This function is called from mi_interpreter_init, and since mi_inferior_added assumes that inferior is fully initialized and top_level_interpreter_data is set, we cannot call it here. */ @@ -1273,4 +1469,32 @@ _initialize_mi_interp (void) interp_factory_register (INTERP_MI2, mi_interp_factory); interp_factory_register (INTERP_MI3, mi_interp_factory); interp_factory_register (INTERP_MI, mi_interp_factory); + + observer_attach_signal_received (mi_on_signal_received); + observer_attach_end_stepping_range (mi_on_end_stepping_range); + observer_attach_signal_exited (mi_on_signal_exited); + observer_attach_exited (mi_on_exited); + observer_attach_no_history (mi_on_no_history); + observer_attach_new_thread (mi_new_thread); + observer_attach_thread_exit (mi_thread_exit); + observer_attach_inferior_added (mi_inferior_added); + observer_attach_inferior_appeared (mi_inferior_appeared); + observer_attach_inferior_exit (mi_inferior_exit); + observer_attach_inferior_removed (mi_inferior_removed); + observer_attach_record_changed (mi_record_changed); + observer_attach_normal_stop (mi_on_normal_stop); + observer_attach_target_resumed (mi_on_resume); + observer_attach_solib_loaded (mi_solib_loaded); + observer_attach_solib_unloaded (mi_solib_unloaded); + observer_attach_about_to_proceed (mi_about_to_proceed); + observer_attach_traceframe_changed (mi_traceframe_changed); + observer_attach_tsv_created (mi_tsv_created); + observer_attach_tsv_deleted (mi_tsv_deleted); + observer_attach_tsv_modified (mi_tsv_modified); + observer_attach_breakpoint_created (mi_breakpoint_created); + observer_attach_breakpoint_deleted (mi_breakpoint_deleted); + observer_attach_breakpoint_modified (mi_breakpoint_modified); + observer_attach_command_param_changed (mi_command_param_changed); + observer_attach_memory_changed (mi_memory_changed); + observer_attach_sync_execution_done (mi_on_sync_execution_done); } diff --git a/gdb/top.h b/gdb/top.h index f18b79e942..80fcb40b7c 100644 --- a/gdb/top.h +++ b/gdb/top.h @@ -36,6 +36,9 @@ struct tl_interp_info; struct ui { + /* Pointer to next in singly-linked list. */ + struct ui *next; + /* The UI's command line buffer. This is to used to accumulate input until we have a whole command line. */ struct buffer line_buffer; @@ -83,8 +86,34 @@ struct ui struct ui_file *m_gdb_stdlog; }; +/* The current UI. */ extern struct ui *current_ui; +/* The list of all UIs. */ +extern struct ui *ui_list; + +/* State for SWITCH_THRU_ALL_UIS. Declared here because it is meant + to be created on the stack, but should be treated as opaque. */ +struct switch_thru_all_uis +{ + struct ui *iter; + struct cleanup *old_chain; +}; + +/* Functions to drive SWITCH_THRU_ALL_UIS. Though declared here by + necessity, these functions should not be used other than via the + SWITCH_THRU_ALL_UIS macro defined below. */ +extern void switch_thru_all_uis_init (struct switch_thru_all_uis *state); +extern int switch_thru_all_uis_cond (struct switch_thru_all_uis *state); +extern void switch_thru_all_uis_next (struct switch_thru_all_uis *state); + + /* Traverse through all UI, and switch the current UI to the one + being iterated. */ +#define SWITCH_THRU_ALL_UIS(STATE) \ + for (switch_thru_all_uis_init (&STATE); \ + switch_thru_all_uis_cond (&STATE); \ + switch_thru_all_uis_next (&STATE)) + /* From top.c. */ extern char *saved_command_line; extern FILE *instream; diff --git a/gdb/tui/tui-interp.c b/gdb/tui/tui-interp.c index 7544500123..452dd204f8 100644 --- a/gdb/tui/tui-interp.c +++ b/gdb/tui/tui-interp.c @@ -38,8 +38,16 @@ static struct ui_out *tui_ui_out (struct interp *self); gdb. */ static int tui_start_enabled = 0; -/* The TUI interpreter. */ -static struct interp *tui_interp; +/* Returns the INTERP if the INTERP is a TUI, and returns NULL + otherwise. */ + +static struct interp * +as_tui_interp (struct interp *interp) +{ + if (strcmp (interp_name (interp), INTERP_TUI) == 0) + return interp; + return NULL; +} /* Cleanup the tui before exiting. */ @@ -60,10 +68,17 @@ tui_exit (void) static void tui_on_normal_stop (struct bpstats *bs, int print_frame) { - if (!interp_quiet_p (tui_interp)) + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) { + struct interp *tui = as_tui_interp (top_level_interpreter ()); + + if (tui == NULL) + continue; + if (print_frame) - print_stop_event (tui_ui_out (tui_interp)); + print_stop_event (tui_ui_out (tui)); } } @@ -72,8 +87,17 @@ tui_on_normal_stop (struct bpstats *bs, int print_frame) static void tui_on_signal_received (enum gdb_signal siggnal) { - if (!interp_quiet_p (tui_interp)) - print_signal_received_reason (tui_ui_out (tui_interp), siggnal); + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) + { + struct interp *tui = as_tui_interp (top_level_interpreter ()); + + if (tui == NULL) + continue; + + print_signal_received_reason (tui_ui_out (tui), siggnal); + } } /* Observer for the end_stepping_range notification. */ @@ -81,8 +105,17 @@ tui_on_signal_received (enum gdb_signal siggnal) static void tui_on_end_stepping_range (void) { - if (!interp_quiet_p (tui_interp)) - print_end_stepping_range_reason (tui_ui_out (tui_interp)); + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) + { + struct interp *tui = as_tui_interp (top_level_interpreter ()); + + if (tui == NULL) + continue; + + print_end_stepping_range_reason (tui_ui_out (tui)); + } } /* Observer for the signal_exited notification. */ @@ -90,8 +123,17 @@ tui_on_end_stepping_range (void) static void tui_on_signal_exited (enum gdb_signal siggnal) { - if (!interp_quiet_p (tui_interp)) - print_signal_exited_reason (tui_ui_out (tui_interp), siggnal); + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) + { + struct interp *tui = as_tui_interp (top_level_interpreter ()); + + if (tui == NULL) + continue; + + print_signal_exited_reason (tui_ui_out (tui), siggnal); + } } /* Observer for the exited notification. */ @@ -99,8 +141,17 @@ tui_on_signal_exited (enum gdb_signal siggnal) static void tui_on_exited (int exitstatus) { - if (!interp_quiet_p (tui_interp)) - print_exited_reason (tui_ui_out (tui_interp), exitstatus); + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) + { + struct interp *tui = as_tui_interp (top_level_interpreter ()); + + if (tui == NULL) + continue; + + print_exited_reason (tui_ui_out (tui), exitstatus); + } } /* Observer for the no_history notification. */ @@ -108,8 +159,17 @@ tui_on_exited (int exitstatus) static void tui_on_no_history (void) { - if (!interp_quiet_p (tui_interp)) - print_no_history_reason (tui_ui_out (tui_interp)); + struct switch_thru_all_uis state; + + SWITCH_THRU_ALL_UIS (state) + { + struct interp *tui = as_tui_interp (top_level_interpreter ()); + + if (tui == NULL) + continue; + + print_no_history_reason (tui_ui_out (tui)); + } } /* Observer for the sync_execution_done notification. */ @@ -117,8 +177,12 @@ tui_on_no_history (void) static void tui_on_sync_execution_done (void) { - if (!interp_quiet_p (tui_interp)) - display_gdb_prompt (NULL); + struct interp *tui = as_tui_interp (top_level_interpreter ()); + + if (tui == NULL) + return; + + display_gdb_prompt (NULL); } /* Observer for the command_error notification. */ @@ -126,8 +190,12 @@ tui_on_sync_execution_done (void) static void tui_on_command_error (void) { - if (!interp_quiet_p (tui_interp)) - display_gdb_prompt (NULL); + struct interp *tui = as_tui_interp (top_level_interpreter ()); + + if (tui == NULL) + return; + + display_gdb_prompt (NULL); } /* These implement the TUI interpreter. */ @@ -138,9 +206,6 @@ tui_init (struct interp *self, int top_level) /* Install exit handler to leave the screen in a good shape. */ atexit (tui_exit); - if (top_level) - tui_interp = self; - tui_initialize_static_data (); tui_initialize_io (); @@ -148,16 +213,6 @@ tui_init (struct interp *self, int top_level) if (ui_file_isatty (gdb_stdout)) tui_initialize_readline (); - /* If changing this, remember to update cli-interp.c as well. */ - observer_attach_normal_stop (tui_on_normal_stop); - observer_attach_signal_received (tui_on_signal_received); - observer_attach_end_stepping_range (tui_on_end_stepping_range); - observer_attach_signal_exited (tui_on_signal_exited); - observer_attach_exited (tui_on_exited); - observer_attach_no_history (tui_on_no_history); - observer_attach_sync_execution_done (tui_on_sync_execution_done); - observer_attach_command_error (tui_on_command_error); - return NULL; } @@ -246,4 +301,14 @@ _initialize_tui_interp (void) xfree (interpreter_p); interpreter_p = xstrdup (INTERP_TUI); } + + /* If changing this, remember to update cli-interp.c as well. */ + observer_attach_normal_stop (tui_on_normal_stop); + observer_attach_signal_received (tui_on_signal_received); + observer_attach_end_stepping_range (tui_on_end_stepping_range); + observer_attach_signal_exited (tui_on_signal_exited); + observer_attach_exited (tui_on_exited); + observer_attach_no_history (tui_on_no_history); + observer_attach_sync_execution_done (tui_on_sync_execution_done); + observer_attach_command_error (tui_on_command_error); }