/* MI Interpreter Definitions and Commands for GDB, the GNU debugger. Copyright (C) 2002-2017 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #include "defs.h" #include "interps.h" #include "event-top.h" #include "event-loop.h" #include "inferior.h" #include "infrun.h" #include "ui-out.h" #include "top.h" #include "mi-main.h" #include "mi-cmds.h" #include "mi-out.h" #include "mi-console.h" #include "mi-common.h" #include "observer.h" #include "gdbthread.h" #include "solist.h" #include "gdb.h" #include "objfiles.h" #include "tracepoint.h" #include "cli-out.h" #include "thread-fsm.h" #include "cli/cli-interp.h" /* These are the interpreter setup, etc. functions for the MI interpreter. */ static void mi_execute_command_wrapper (const char *cmd); static void mi_execute_command_input_handler (char *cmd); /* These are hooks that we put in place while doing interpreter_exec so we can report interesting things that happened "behind the MI's back" in this command. */ static int mi_interp_query_hook (const char *ctlstr, va_list ap) ATTRIBUTE_PRINTF (1, 0); static void mi_insert_notify_hooks (void); static void mi_remove_notify_hooks (void); static void mi_on_signal_received (enum gdb_signal siggnal); static void mi_on_end_stepping_range (void); static void mi_on_signal_exited (enum gdb_signal siggnal); static void mi_on_exited (int exitstatus); static void mi_on_normal_stop (struct bpstats *bs, int print_frame); static void mi_on_no_history (void); static void mi_new_thread (struct thread_info *t); static void mi_thread_exit (struct thread_info *t, int silent); static void mi_record_changed (struct inferior*, int, const char *, const char *); static void mi_inferior_added (struct inferior *inf); static void mi_inferior_appeared (struct inferior *inf); static void mi_inferior_exit (struct inferior *inf); static void mi_inferior_removed (struct inferior *inf); static void mi_on_resume (ptid_t ptid); static void mi_solib_loaded (struct so_list *solib); static void mi_solib_unloaded (struct so_list *solib); static void mi_about_to_proceed (void); static void mi_traceframe_changed (int tfnum, int tpnum); static void mi_tsv_created (const struct trace_state_variable *tsv); static void mi_tsv_deleted (const struct trace_state_variable *tsv); static void mi_tsv_modified (const struct trace_state_variable *tsv); static void mi_breakpoint_created (struct breakpoint *b); static void mi_breakpoint_deleted (struct breakpoint *b); static void mi_breakpoint_modified (struct breakpoint *b); static void mi_command_param_changed (const char *param, const char *value); static void mi_memory_changed (struct inferior *inf, CORE_ADDR memaddr, ssize_t len, const bfd_byte *myaddr); static void mi_on_sync_execution_done (void); static int report_initial_inferior (struct inferior *inf, void *closure); /* Display the MI prompt. */ static void display_mi_prompt (struct mi_interp *mi) { struct ui *ui = current_ui; fputs_unfiltered ("(gdb) \n", mi->raw_stdout); gdb_flush (mi->raw_stdout); ui->prompt_state = PROMPTED; } /* 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 (interp_ui_out (interp)->is_mi_like_p ()) return (struct mi_interp *) interp; return NULL; } void mi_interp::init (bool top_level) { mi_interp *mi = this; const char *name; int mi_version; /* Store the current output channel, so that we can create a console channel that encapsulates and prefixes all gdb_output-type bits coming from the rest of the debugger. */ mi->raw_stdout = gdb_stdout; /* Create MI console channels, each with a different prefix so they can be distinguished. */ mi->out = new mi_console_file (mi->raw_stdout, "~", '"'); mi->err = new mi_console_file (mi->raw_stdout, "&", '"'); mi->log = mi->err; mi->targ = new mi_console_file (mi->raw_stdout, "@", '"'); mi->event_channel = new mi_console_file (mi->raw_stdout, "=", 0); name = interp_name (this); /* INTERP_MI selects the most recent released version. "mi2" was released as part of GDB 6.0. */ if (strcmp (name, INTERP_MI) == 0) mi_version = 2; else if (strcmp (name, INTERP_MI1) == 0) mi_version = 1; else if (strcmp (name, INTERP_MI2) == 0) mi_version = 2; else if (strcmp (name, INTERP_MI3) == 0) mi_version = 3; else gdb_assert_not_reached ("unhandled MI version"); mi->mi_uiout = mi_out_new (mi_version); mi->cli_uiout = cli_out_new (mi->out); if (top_level) { /* 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 up-front. */ iterate_over_inferiors (report_initial_inferior, mi); } } void mi_interp::resume () { struct mi_interp *mi = this; struct ui *ui = current_ui; /* As per hack note in mi_interpreter_init, swap in the output channels... */ gdb_setup_readline (0); ui->call_readline = gdb_readline_no_editing_callback; ui->input_handler = mi_execute_command_input_handler; gdb_stdout = mi->out; /* Route error and log output through the MI. */ gdb_stderr = mi->err; gdb_stdlog = mi->log; /* Route target output through the MI. */ gdb_stdtarg = mi->targ; /* Route target error through the MI as well. */ gdb_stdtargerr = mi->targ; /* Replace all the hooks that we know about. There really needs to be a better way of doing this... */ clear_interpreter_hooks (); deprecated_show_load_progress = mi_load_progress; } void mi_interp::suspend () { gdb_disable_readline (); } gdb_exception mi_interp::exec (const char *command) { mi_execute_command_wrapper (command); return exception_none; } void mi_cmd_interpreter_exec (const char *command, char **argv, int argc) { struct interp *interp_to_use; int i; if (argc < 2) error (_("-interpreter-exec: " "Usage: -interpreter-exec interp command")); interp_to_use = interp_lookup (current_ui, argv[0]); if (interp_to_use == NULL) error (_("-interpreter-exec: could not find interpreter \"%s\""), argv[0]); /* Note that unlike the CLI version of this command, we don't actually set INTERP_TO_USE as the current interpreter, as we still want gdb_stdout, etc. to point at MI streams. */ /* Insert the MI out hooks, making sure to also call the interpreter's hooks if it has any. */ /* KRS: We shouldn't need this... Events should be installed and they should just ALWAYS fire something out down the MI channel. */ mi_insert_notify_hooks (); /* Now run the code. */ std::string mi_error_message; for (i = 1; i < argc; i++) { struct gdb_exception e = interp_exec (interp_to_use, argv[i]); if (e.reason < 0) { mi_error_message = e.message; break; } } mi_remove_notify_hooks (); if (!mi_error_message.empty ()) error ("%s", mi_error_message.c_str ()); } /* This inserts a number of hooks that are meant to produce async-notify ("=") MI messages while running commands in another interpreter using mi_interpreter_exec. The canonical use for this is to allow access to the gdb CLI interpreter from within the MI, while still producing MI style output when actions in the CLI command change GDB's state. */ static void mi_insert_notify_hooks (void) { deprecated_query_hook = mi_interp_query_hook; } static void mi_remove_notify_hooks (void) { deprecated_query_hook = NULL; } static int mi_interp_query_hook (const char *ctlstr, va_list ap) { return 1; } static void mi_execute_command_wrapper (const char *cmd) { struct ui *ui = current_ui; mi_execute_command (cmd, ui->instream == ui->stdin_stream); } /* Observer for the synchronous_command_done notification. */ 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 ()) display_mi_prompt (mi); } /* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */ static void mi_execute_command_input_handler (char *cmd) { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); struct ui *ui = current_ui; ui->prompt_state = PROMPT_NEEDED; mi_execute_command_wrapper (cmd); /* Print a prompt, indicating we're ready for further input, unless we just started a synchronous command. In that case, we're about to go back to the event loop and will output the prompt in the 'synchronous_command_done' observer when the target next stops. */ if (ui->prompt_state == PROMPT_NEEDED) display_mi_prompt (mi); } void mi_interp::pre_command_loop () { struct mi_interp *mi = this; /* Turn off 8 bit strings in quoted output. Any character with the high bit set is printed using C's octal format. */ sevenbit_strings = 1; /* Tell the world that we're alive. */ display_mi_prompt (mi); } static void mi_new_thread (struct thread_info *t) { struct inferior *inf = find_inferior_ptid (t->ptid); gdb_assert (inf); SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; 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); } } static void mi_thread_exit (struct thread_info *t, int silent) { if (silent) return; SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; 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); } } /* Emit notification on changing the state of record. */ static void mi_record_changed (struct inferior *inferior, int started, const char *method, const char *format) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); if (started) { 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-stopped,thread-group=\"i%d\"", inferior->num); } gdb_flush (mi->event_channel); } } static void mi_inferior_added (struct inferior *inf) { SWITCH_THRU_ALL_UIS () { struct interp *interp; struct mi_interp *mi; /* We'll be called once for the initial inferior, before the top level interpreter is set. */ interp = top_level_interpreter (); if (interp == NULL) continue; mi = as_mi_interp (interp); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); fprintf_unfiltered (mi->event_channel, "thread-group-added,id=\"i%d\"", inf->num); gdb_flush (mi->event_channel); } } static void mi_inferior_appeared (struct inferior *inf) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; 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); } } static void mi_inferior_exit (struct inferior *inf) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; 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); } } static void mi_inferior_removed (struct inferior *inf) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); fprintf_unfiltered (mi->event_channel, "thread-group-removed,id=\"i%d\"", inf->num); gdb_flush (mi->event_channel); } } /* 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 mi_interp * find_mi_interp (void) { 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; return NULL; } /* Observers for several run control events that print why the inferior has stopped to both the the MI event channel and to the MI console. If the MI interpreter is not active, print nothing. */ /* Observer for the signal_received notification. */ static void mi_on_signal_received (enum gdb_signal siggnal) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = find_mi_interp (); 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. */ static void mi_on_end_stepping_range (void) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = find_mi_interp (); 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. */ static void mi_on_signal_exited (enum gdb_signal siggnal) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = find_mi_interp (); 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. */ static void mi_on_exited (int exitstatus) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = find_mi_interp (); if (mi == NULL) continue; print_exited_reason (mi->mi_uiout, exitstatus); print_exited_reason (mi->cli_uiout, exitstatus); } } /* Observer for the no_history notification. */ static void mi_on_no_history (void) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = find_mi_interp (); if (mi == NULL) continue; print_no_history_reason (mi->mi_uiout); print_no_history_reason (mi->cli_uiout); } } static void 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, not the current one. */ struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); struct mi_interp *mi = (struct mi_interp *) top_level_interpreter (); if (print_frame) { struct thread_info *tp; int core; struct interp *console_interp; tp = inferior_thread (); if (tp->thread_fsm != NULL && thread_fsm_finished_p (tp->thread_fsm)) { enum async_reply_reason reason; reason = thread_fsm_async_reply_reason (tp->thread_fsm); mi_uiout->field_string ("reason", async_reason_lookup (reason)); } print_stop_event (mi_uiout); console_interp = interp_lookup (current_ui, INTERP_CONSOLE); if (should_print_stop_to_console (console_interp, tp)) print_stop_event (mi->cli_uiout); mi_uiout->field_int ("thread-id", tp->global_num); if (non_stop) { ui_out_emit_list list_emitter (mi_uiout, "stopped-threads"); mi_uiout->field_int (NULL, tp->global_num); } else mi_uiout->field_string ("stopped-threads", "all"); core = target_core_of_thread (inferior_ptid); if (core != -1) mi_uiout->field_int ("core", core); } fputs_unfiltered ("*stopped", mi->raw_stdout); mi_out_put (mi_uiout, mi->raw_stdout); mi_out_rewind (mi_uiout); mi_print_timing_maybe (mi->raw_stdout); fputs_unfiltered ("\n", mi->raw_stdout); gdb_flush (mi->raw_stdout); } static void mi_on_normal_stop (struct bpstats *bs, int print_frame) { SWITCH_THRU_ALL_UIS () { if (as_mi_interp (top_level_interpreter ()) == NULL) continue; mi_on_normal_stop_1 (bs, print_frame); } } static void mi_about_to_proceed (void) { /* Suppress output while calling an inferior function. */ if (!ptid_equal (inferior_ptid, null_ptid)) { struct thread_info *tp = inferior_thread (); if (tp->control.in_infcall) return; } mi_proceeded = 1; } /* When the element is non-zero, no MI notifications will be emitted in response to the corresponding observers. */ struct mi_suppress_notification mi_suppress_notification = { 0, 0, 0, 0, }; /* Emit notification on changing a traceframe. */ static void mi_traceframe_changed (int tfnum, int tpnum) { if (mi_suppress_notification.traceframe) return; SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); 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); } } /* Emit notification on creating a trace state variable. */ static void mi_tsv_created (const struct trace_state_variable *tsv) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); fprintf_unfiltered (mi->event_channel, "tsv-created," "name=\"%s\",initial=\"%s\"\n", tsv->name, plongest (tsv->initial_value)); gdb_flush (mi->event_channel); } } /* Emit notification on deleting a trace state variable. */ static void mi_tsv_deleted (const struct trace_state_variable *tsv) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); 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); } } /* Emit notification on modifying a trace state variable. */ static void mi_tsv_modified (const struct trace_state_variable *tsv) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); struct ui_out *mi_uiout; if (mi == NULL) continue; mi_uiout = interp_ui_out (top_level_interpreter ()); target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); fprintf_unfiltered (mi->event_channel, "tsv-modified"); mi_uiout->redirect (mi->event_channel); mi_uiout->field_string ("name", tsv->name); mi_uiout->field_string ("initial", plongest (tsv->initial_value)); if (tsv->value_known) mi_uiout->field_string ("current", plongest (tsv->value)); mi_uiout->redirect (NULL); gdb_flush (mi->event_channel); } } /* Emit notification about a created breakpoint. */ static void mi_breakpoint_created (struct breakpoint *b) { if (mi_suppress_notification.breakpoint) return; if (b->number <= 0) return; SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); struct ui_out *mi_uiout; if (mi == NULL) continue; mi_uiout = interp_ui_out (top_level_interpreter ()); target_terminal::scoped_restore_terminal_state term_state; 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_uiout 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. */ mi_uiout->redirect (mi->event_channel); TRY { gdb_breakpoint_query (mi_uiout, b->number, NULL); } CATCH (e, RETURN_MASK_ERROR) { } END_CATCH mi_uiout->redirect (NULL); gdb_flush (mi->event_channel); } } /* Emit notification about deleted breakpoint. */ static void mi_breakpoint_deleted (struct breakpoint *b) { if (mi_suppress_notification.breakpoint) return; if (b->number <= 0) return; SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"", b->number); gdb_flush (mi->event_channel); } } /* Emit notification about modified breakpoint. */ static void mi_breakpoint_modified (struct breakpoint *b) { if (mi_suppress_notification.breakpoint) return; if (b->number <= 0) return; SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; 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_uiout 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. */ mi->mi_uiout->redirect (mi->event_channel); TRY { gdb_breakpoint_query (mi->mi_uiout, b->number, NULL); } CATCH (e, RETURN_MASK_ERROR) { } END_CATCH mi->mi_uiout->redirect (NULL); gdb_flush (mi->event_channel); } } static int mi_output_running_pid (struct thread_info *info, void *arg) { ptid_t *ptid = (ptid_t *) arg; SWITCH_THRU_ALL_UIS () { 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 (mi->raw_stdout, "*running,thread-id=\"%d\"\n", info->global_num); } return 0; } static int mi_inferior_count (struct inferior *inf, void *arg) { if (inf->pid != 0) { int *count_p = (int *) arg; (*count_p)++; } return 0; } static void mi_on_resume_1 (struct mi_interp *mi, ptid_t ptid) { /* 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, we won't return back to MI interpreter code until the target is done running, so delaying the output of "^running" until then will make it impossible for frontend to know what's going on. In future (MI3), we'll be outputting "^done" here. */ if (!running_result_record_printed && mi_proceeded) { fprintf_unfiltered (mi->raw_stdout, "%s^running\n", current_token ? current_token : ""); } if (ptid_get_pid (ptid) == -1) fprintf_unfiltered (mi->raw_stdout, "*running,thread-id=\"all\"\n"); else if (ptid_is_pid (ptid)) { int count = 0; /* Backwards compatibility. If there's only one inferior, output "all", otherwise, output each resumed thread individually. */ iterate_over_inferiors (mi_inferior_count, &count); if (count == 1) fprintf_unfiltered (mi->raw_stdout, "*running,thread-id=\"all\"\n"); else iterate_over_threads (mi_output_running_pid, &ptid); } else { struct thread_info *ti = find_thread_ptid (ptid); gdb_assert (ti); fprintf_unfiltered (mi->raw_stdout, "*running,thread-id=\"%d\"\n", ti->global_num); } if (!running_result_record_printed && mi_proceeded) { running_result_record_printed = 1; /* This is what gdb used to do historically -- printing prompt even if it cannot actually accept any input. This will be surely removed for MI3, and may be removed even earlier. */ if (current_ui->prompt_state == PROMPT_BLOCKED) fputs_unfiltered ("(gdb) \n", mi->raw_stdout); } gdb_flush (mi->raw_stdout); } static void mi_on_resume (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; SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); if (mi == NULL) continue; target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); mi_on_resume_1 (mi, ptid); } } /* See mi-interp.h. */ void mi_output_solib_attribs (ui_out *uiout, struct so_list *solib) { struct gdbarch *gdbarch = target_gdbarch (); uiout->field_string ("id", solib->so_original_name); uiout->field_string ("target-name", solib->so_original_name); uiout->field_string ("host-name", solib->so_name); uiout->field_int ("symbols-loaded", solib->symbols_loaded); if (!gdbarch_has_global_solist (target_gdbarch ())) uiout->field_fmt ("thread-group", "i%d", current_inferior ()->num); ui_out_emit_list list_emitter (uiout, "ranges"); ui_out_emit_tuple tuple_emitter (uiout, NULL); if (solib->addr_high != 0) { uiout->field_core_addr ("from", gdbarch, solib->addr_low); uiout->field_core_addr ("to", gdbarch, solib->addr_high); } } static void mi_solib_loaded (struct so_list *solib) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); struct ui_out *uiout; if (mi == NULL) continue; uiout = interp_ui_out (top_level_interpreter ()); target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); fprintf_unfiltered (mi->event_channel, "library-loaded"); uiout->redirect (mi->event_channel); mi_output_solib_attribs (uiout, solib); uiout->redirect (NULL); gdb_flush (mi->event_channel); } } static void mi_solib_unloaded (struct so_list *solib) { SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); struct ui_out *uiout; if (mi == NULL) continue; uiout = interp_ui_out (top_level_interpreter ()); target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); fprintf_unfiltered (mi->event_channel, "library-unloaded"); uiout->redirect (mi->event_channel); uiout->field_string ("id", solib->so_original_name); uiout->field_string ("target-name", solib->so_original_name); uiout->field_string ("host-name", solib->so_name); if (!gdbarch_has_global_solist (target_gdbarch ())) { uiout->field_fmt ("thread-group", "i%d", current_inferior ()->num); } uiout->redirect (NULL); gdb_flush (mi->event_channel); } } /* Emit notification about the command parameter change. */ static void mi_command_param_changed (const char *param, const char *value) { if (mi_suppress_notification.cmd_param_changed) return; SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); struct ui_out *mi_uiout; if (mi == NULL) continue; mi_uiout = interp_ui_out (top_level_interpreter ()); target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); fprintf_unfiltered (mi->event_channel, "cmd-param-changed"); mi_uiout->redirect (mi->event_channel); mi_uiout->field_string ("param", param); mi_uiout->field_string ("value", value); mi_uiout->redirect (NULL); gdb_flush (mi->event_channel); } } /* Emit notification about the target memory change. */ static void mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr, ssize_t len, const bfd_byte *myaddr) { if (mi_suppress_notification.memory) return; SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); struct ui_out *mi_uiout; struct obj_section *sec; if (mi == NULL) continue; mi_uiout = interp_ui_out (top_level_interpreter ()); target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); fprintf_unfiltered (mi->event_channel, "memory-changed"); mi_uiout->redirect (mi->event_channel); mi_uiout->field_fmt ("thread-group", "i%d", inferior->num); mi_uiout->field_core_addr ("addr", target_gdbarch (), memaddr); mi_uiout->field_fmt ("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) mi_uiout->field_string ("type", "code"); } mi_uiout->redirect (NULL); gdb_flush (mi->event_channel); } } /* Emit an event when the selection context (inferior, thread, frame) changed. */ static void mi_user_selected_context_changed (user_selected_what selection) { struct thread_info *tp; /* Don't send an event if we're responding to an MI command. */ if (mi_suppress_notification.user_selected_context) return; tp = find_thread_ptid (inferior_ptid); SWITCH_THRU_ALL_UIS () { struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); struct ui_out *mi_uiout; if (mi == NULL) continue; mi_uiout = interp_ui_out (top_level_interpreter ()); mi_uiout->redirect (mi->event_channel); ui_out_redirect_pop redirect_popper (mi_uiout); target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); if (selection & USER_SELECTED_INFERIOR) print_selected_inferior (mi->cli_uiout); if (tp != NULL && (selection & (USER_SELECTED_THREAD | USER_SELECTED_FRAME))) { print_selected_thread_frame (mi->cli_uiout, selection); fprintf_unfiltered (mi->event_channel, "thread-selected,id=\"%d\"", tp->global_num); if (tp->state != THREAD_RUNNING) { if (has_stack_frames ()) print_stack_frame_to_uiout (mi_uiout, get_selected_frame (NULL), 1, SRC_AND_LOC, 1); } } gdb_flush (mi->event_channel); } } static int report_initial_inferior (struct inferior *inf, void *closure) { /* 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. */ struct mi_interp *mi = (struct mi_interp *) closure; target_terminal::scoped_restore_terminal_state term_state; target_terminal::ours_for_output (); fprintf_unfiltered (mi->event_channel, "thread-group-added,id=\"i%d\"", inf->num); gdb_flush (mi->event_channel); return 0; } ui_out * mi_interp::interp_ui_out () { return this->mi_uiout; } /* Do MI-specific logging actions; save raw_stdout, and change all the consoles to use the supplied ui-file(s). */ void mi_interp::set_logging (ui_file_up logfile, bool logging_redirect) { struct mi_interp *mi = this; if (logfile != NULL) { mi->saved_raw_stdout = mi->raw_stdout; mi->raw_stdout = make_logging_output (mi->raw_stdout, std::move (logfile), logging_redirect); } else { delete mi->raw_stdout; mi->raw_stdout = mi->saved_raw_stdout; mi->saved_raw_stdout = NULL; } mi->out->set_raw (mi->raw_stdout); mi->err->set_raw (mi->raw_stdout); mi->log->set_raw (mi->raw_stdout); mi->targ->set_raw (mi->raw_stdout); mi->event_channel->set_raw (mi->raw_stdout); } /* Factory for MI interpreters. */ static struct interp * mi_interp_factory (const char *name) { return new mi_interp (name); } void _initialize_mi_interp (void) { /* The various interpreter levels. */ interp_factory_register (INTERP_MI1, mi_interp_factory); 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); observer_attach_user_selected_context_changed (mi_user_selected_context_changed); }