788eca4949
Replace it with a range-based for. I've updated the comment in mi_interp::init, which was a bit stale. gdb/ChangeLog: * mi/mi-interp.c (report_initial_inferior): Remove. (mi_interp::init): Use range-based for to iterate over inferiors.
1371 lines
36 KiB
C
1371 lines
36 KiB
C
/* MI Interpreter Definitions and Commands for GDB, the GNU debugger.
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Copyright (C) 2002-2020 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "mi-interp.h"
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#include "interps.h"
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#include "event-top.h"
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#include "event-loop.h"
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#include "inferior.h"
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#include "infrun.h"
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#include "ui-out.h"
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#include "top.h"
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#include "mi-main.h"
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#include "mi-cmds.h"
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#include "mi-out.h"
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#include "mi-console.h"
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#include "mi-common.h"
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#include "observable.h"
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#include "gdbthread.h"
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#include "solist.h"
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#include "objfiles.h"
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#include "tracepoint.h"
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#include "cli-out.h"
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#include "thread-fsm.h"
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#include "cli/cli-interp.h"
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#include "gdbsupport/scope-exit.h"
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/* These are the interpreter setup, etc. functions for the MI
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interpreter. */
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static void mi_execute_command_wrapper (const char *cmd);
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static void mi_execute_command_input_handler
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(gdb::unique_xmalloc_ptr<char> &&cmd);
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/* These are hooks that we put in place while doing interpreter_exec
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so we can report interesting things that happened "behind the MI's
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back" in this command. */
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static int mi_interp_query_hook (const char *ctlstr, va_list ap)
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ATTRIBUTE_PRINTF (1, 0);
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static void mi_insert_notify_hooks (void);
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static void mi_remove_notify_hooks (void);
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static void mi_on_signal_received (enum gdb_signal siggnal);
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static void mi_on_end_stepping_range (void);
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static void mi_on_signal_exited (enum gdb_signal siggnal);
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static void mi_on_exited (int exitstatus);
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static void mi_on_normal_stop (struct bpstats *bs, int print_frame);
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static void mi_on_no_history (void);
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static void mi_new_thread (struct thread_info *t);
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static void mi_thread_exit (struct thread_info *t, int silent);
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static void mi_record_changed (struct inferior*, int, const char *,
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const char *);
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static void mi_inferior_added (struct inferior *inf);
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static void mi_inferior_appeared (struct inferior *inf);
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static void mi_inferior_exit (struct inferior *inf);
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static void mi_inferior_removed (struct inferior *inf);
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static void mi_on_resume (ptid_t ptid);
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static void mi_solib_loaded (struct so_list *solib);
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static void mi_solib_unloaded (struct so_list *solib);
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static void mi_about_to_proceed (void);
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static void mi_traceframe_changed (int tfnum, int tpnum);
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static void mi_tsv_created (const struct trace_state_variable *tsv);
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static void mi_tsv_deleted (const struct trace_state_variable *tsv);
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static void mi_tsv_modified (const struct trace_state_variable *tsv);
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static void mi_breakpoint_created (struct breakpoint *b);
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static void mi_breakpoint_deleted (struct breakpoint *b);
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static void mi_breakpoint_modified (struct breakpoint *b);
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static void mi_command_param_changed (const char *param, const char *value);
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static void mi_memory_changed (struct inferior *inf, CORE_ADDR memaddr,
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ssize_t len, const bfd_byte *myaddr);
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static void mi_on_sync_execution_done (void);
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/* Display the MI prompt. */
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static void
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display_mi_prompt (struct mi_interp *mi)
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{
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struct ui *ui = current_ui;
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fputs_unfiltered ("(gdb) \n", mi->raw_stdout);
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gdb_flush (mi->raw_stdout);
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ui->prompt_state = PROMPTED;
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}
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/* Returns the INTERP's data cast as mi_interp if INTERP is an MI, and
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returns NULL otherwise. */
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static struct mi_interp *
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as_mi_interp (struct interp *interp)
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{
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return dynamic_cast<mi_interp *> (interp);
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}
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void
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mi_interp::init (bool top_level)
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{
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mi_interp *mi = this;
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/* Store the current output channel, so that we can create a console
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channel that encapsulates and prefixes all gdb_output-type bits
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coming from the rest of the debugger. */
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mi->raw_stdout = gdb_stdout;
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/* Create MI console channels, each with a different prefix so they
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can be distinguished. */
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mi->out = new mi_console_file (mi->raw_stdout, "~", '"');
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mi->err = new mi_console_file (mi->raw_stdout, "&", '"');
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mi->log = mi->err;
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mi->targ = new mi_console_file (mi->raw_stdout, "@", '"');
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mi->event_channel = new mi_console_file (mi->raw_stdout, "=", 0);
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mi->mi_uiout = mi_out_new (name ());
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gdb_assert (mi->mi_uiout != nullptr);
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mi->cli_uiout = cli_out_new (mi->out);
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if (top_level)
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{
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/* The initial inferior is created before this function is called, so we
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need to report it explicitly when initializing the top-level MI
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interpreter.
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This is also called when additional MI interpreters are added (using
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the new-ui command), when multiple inferiors possibly exist, so we need
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to use iteration to report all the inferiors. mi_inferior_added can't
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be used, because it would print the event on all the other MI UIs. */
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for (inferior *inf : all_inferiors ())
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{
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target_terminal::scoped_restore_terminal_state term_state;
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target_terminal::ours_for_output ();
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fprintf_unfiltered (mi->event_channel,
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"thread-group-added,id=\"i%d\"",
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inf->num);
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gdb_flush (mi->event_channel);
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}
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}
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}
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void
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mi_interp::resume ()
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{
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struct mi_interp *mi = this;
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struct ui *ui = current_ui;
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/* As per hack note in mi_interpreter_init, swap in the output
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channels... */
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gdb_setup_readline (0);
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ui->call_readline = gdb_readline_no_editing_callback;
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ui->input_handler = mi_execute_command_input_handler;
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gdb_stdout = mi->out;
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/* Route error and log output through the MI. */
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gdb_stderr = mi->err;
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gdb_stdlog = mi->log;
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/* Route target output through the MI. */
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gdb_stdtarg = mi->targ;
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/* Route target error through the MI as well. */
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gdb_stdtargerr = mi->targ;
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/* Replace all the hooks that we know about. There really needs to
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be a better way of doing this... */
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clear_interpreter_hooks ();
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deprecated_show_load_progress = mi_load_progress;
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}
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void
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mi_interp::suspend ()
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{
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gdb_disable_readline ();
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}
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gdb_exception
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mi_interp::exec (const char *command)
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{
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mi_execute_command_wrapper (command);
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return gdb_exception ();
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}
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void
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mi_cmd_interpreter_exec (const char *command, char **argv, int argc)
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{
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struct interp *interp_to_use;
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int i;
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if (argc < 2)
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error (_("-interpreter-exec: "
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"Usage: -interpreter-exec interp command"));
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interp_to_use = interp_lookup (current_ui, argv[0]);
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if (interp_to_use == NULL)
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error (_("-interpreter-exec: could not find interpreter \"%s\""),
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argv[0]);
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/* Note that unlike the CLI version of this command, we don't
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actually set INTERP_TO_USE as the current interpreter, as we
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still want gdb_stdout, etc. to point at MI streams. */
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/* Insert the MI out hooks, making sure to also call the
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interpreter's hooks if it has any. */
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/* KRS: We shouldn't need this... Events should be installed and
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they should just ALWAYS fire something out down the MI
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channel. */
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mi_insert_notify_hooks ();
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/* Now run the code. */
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SCOPE_EXIT
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{
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mi_remove_notify_hooks ();
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};
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for (i = 1; i < argc; i++)
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{
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struct gdb_exception e = interp_exec (interp_to_use, argv[i]);
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if (e.reason < 0)
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error ("%s", e.what ());
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}
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}
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/* This inserts a number of hooks that are meant to produce
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async-notify ("=") MI messages while running commands in another
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interpreter using mi_interpreter_exec. The canonical use for this
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is to allow access to the gdb CLI interpreter from within the MI,
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while still producing MI style output when actions in the CLI
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command change GDB's state. */
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static void
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mi_insert_notify_hooks (void)
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{
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deprecated_query_hook = mi_interp_query_hook;
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}
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static void
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mi_remove_notify_hooks (void)
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{
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deprecated_query_hook = NULL;
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}
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static int
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mi_interp_query_hook (const char *ctlstr, va_list ap)
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{
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return 1;
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}
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static void
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mi_execute_command_wrapper (const char *cmd)
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{
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struct ui *ui = current_ui;
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mi_execute_command (cmd, ui->instream == ui->stdin_stream);
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}
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/* Observer for the synchronous_command_done notification. */
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static void
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mi_on_sync_execution_done (void)
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{
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struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
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if (mi == NULL)
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return;
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/* If MI is sync, then output the MI prompt now, indicating we're
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ready for further input. */
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if (!mi_async_p ())
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display_mi_prompt (mi);
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}
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/* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */
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static void
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mi_execute_command_input_handler (gdb::unique_xmalloc_ptr<char> &&cmd)
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{
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struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
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struct ui *ui = current_ui;
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ui->prompt_state = PROMPT_NEEDED;
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mi_execute_command_wrapper (cmd.get ());
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/* Print a prompt, indicating we're ready for further input, unless
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we just started a synchronous command. In that case, we're about
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to go back to the event loop and will output the prompt in the
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'synchronous_command_done' observer when the target next
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stops. */
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if (ui->prompt_state == PROMPT_NEEDED)
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display_mi_prompt (mi);
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}
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void
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mi_interp::pre_command_loop ()
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{
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struct mi_interp *mi = this;
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/* Turn off 8 bit strings in quoted output. Any character with the
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high bit set is printed using C's octal format. */
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sevenbit_strings = 1;
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/* Tell the world that we're alive. */
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display_mi_prompt (mi);
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}
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static void
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mi_new_thread (struct thread_info *t)
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{
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SWITCH_THRU_ALL_UIS ()
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{
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struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
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if (mi == NULL)
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continue;
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target_terminal::scoped_restore_terminal_state term_state;
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target_terminal::ours_for_output ();
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fprintf_unfiltered (mi->event_channel,
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"thread-created,id=\"%d\",group-id=\"i%d\"",
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t->global_num, t->inf->num);
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gdb_flush (mi->event_channel);
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}
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}
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static void
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mi_thread_exit (struct thread_info *t, int silent)
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{
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if (silent)
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return;
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SWITCH_THRU_ALL_UIS ()
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{
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struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
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if (mi == NULL)
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continue;
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target_terminal::scoped_restore_terminal_state term_state;
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target_terminal::ours_for_output ();
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fprintf_unfiltered (mi->event_channel,
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"thread-exited,id=\"%d\",group-id=\"i%d\"",
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t->global_num, t->inf->num);
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gdb_flush (mi->event_channel);
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}
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}
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/* Emit notification on changing the state of record. */
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static void
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mi_record_changed (struct inferior *inferior, int started, const char *method,
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const char *format)
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{
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SWITCH_THRU_ALL_UIS ()
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{
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struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
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if (mi == NULL)
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continue;
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target_terminal::scoped_restore_terminal_state term_state;
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target_terminal::ours_for_output ();
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if (started)
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{
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if (format != NULL)
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{
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fprintf_unfiltered (mi->event_channel,
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"record-started,thread-group=\"i%d\","
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"method=\"%s\",format=\"%s\"",
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inferior->num, method, format);
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}
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else
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{
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fprintf_unfiltered (mi->event_channel,
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"record-started,thread-group=\"i%d\","
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"method=\"%s\"",
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inferior->num, method);
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}
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}
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else
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{
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fprintf_unfiltered (mi->event_channel,
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"record-stopped,thread-group=\"i%d\"",
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inferior->num);
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}
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gdb_flush (mi->event_channel);
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}
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}
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static void
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mi_inferior_added (struct inferior *inf)
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{
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SWITCH_THRU_ALL_UIS ()
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{
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struct interp *interp;
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struct mi_interp *mi;
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/* We'll be called once for the initial inferior, before the top
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level interpreter is set. */
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interp = top_level_interpreter ();
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if (interp == NULL)
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continue;
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mi = as_mi_interp (interp);
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if (mi == NULL)
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continue;
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target_terminal::scoped_restore_terminal_state term_state;
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target_terminal::ours_for_output ();
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fprintf_unfiltered (mi->event_channel,
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"thread-group-added,id=\"i%d\"",
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inf->num);
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gdb_flush (mi->event_channel);
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}
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}
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static void
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mi_inferior_appeared (struct inferior *inf)
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{
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SWITCH_THRU_ALL_UIS ()
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{
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struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
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if (mi == NULL)
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continue;
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target_terminal::scoped_restore_terminal_state term_state;
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target_terminal::ours_for_output ();
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fprintf_unfiltered (mi->event_channel,
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"thread-group-started,id=\"i%d\",pid=\"%d\"",
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inf->num, inf->pid);
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gdb_flush (mi->event_channel);
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}
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}
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static void
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mi_inferior_exit (struct inferior *inf)
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{
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SWITCH_THRU_ALL_UIS ()
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{
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struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
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if (mi == NULL)
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continue;
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target_terminal::scoped_restore_terminal_state term_state;
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target_terminal::ours_for_output ();
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if (inf->has_exit_code)
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fprintf_unfiltered (mi->event_channel,
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"thread-group-exited,id=\"i%d\",exit-code=\"%s\"",
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inf->num, int_string (inf->exit_code, 8, 0, 0, 1));
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else
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fprintf_unfiltered (mi->event_channel,
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"thread-group-exited,id=\"i%d\"", inf->num);
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gdb_flush (mi->event_channel);
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}
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}
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static void
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mi_inferior_removed (struct inferior *inf)
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{
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SWITCH_THRU_ALL_UIS ()
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{
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struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
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if (mi == NULL)
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continue;
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target_terminal::scoped_restore_terminal_state term_state;
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target_terminal::ours_for_output ();
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fprintf_unfiltered (mi->event_channel,
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"thread-group-removed,id=\"i%d\"",
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inf->num);
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gdb_flush (mi->event_channel);
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}
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}
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/* Return the MI interpreter, if it is active -- either because it's
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the top-level interpreter or the interpreter executing the current
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command. Returns NULL if the MI interpreter is not being used. */
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static struct mi_interp *
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find_mi_interp (void)
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{
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struct mi_interp *mi;
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mi = as_mi_interp (top_level_interpreter ());
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if (mi != NULL)
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return mi;
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mi = as_mi_interp (command_interp ());
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if (mi != NULL)
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return mi;
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return NULL;
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}
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/* Observers for several run control events that print why the
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inferior has stopped to both 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 = top_level_interpreter ()->interp_ui_out ();
|
|
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
|
|
&& tp->thread_fsm->finished_p ())
|
|
{
|
|
enum async_reply_reason reason;
|
|
|
|
reason = tp->thread_fsm->async_reply_reason ();
|
|
mi_uiout->field_string ("reason", async_reason_lookup (reason));
|
|
}
|
|
|
|
console_interp = interp_lookup (current_ui, INTERP_CONSOLE);
|
|
/* We only want to print the displays once, and we want it to
|
|
look just how it would on the console, so we use this to
|
|
decide whether the MI stop should include them. */
|
|
bool console_print = should_print_stop_to_console (console_interp, tp);
|
|
print_stop_event (mi_uiout, !console_print);
|
|
|
|
if (console_print)
|
|
print_stop_event (mi->cli_uiout);
|
|
|
|
mi_uiout->field_signed ("thread-id", tp->global_num);
|
|
if (non_stop)
|
|
{
|
|
ui_out_emit_list list_emitter (mi_uiout, "stopped-threads");
|
|
|
|
mi_uiout->field_signed (NULL, tp->global_num);
|
|
}
|
|
else
|
|
mi_uiout->field_string ("stopped-threads", "all");
|
|
|
|
core = target_core_of_thread (tp->ptid);
|
|
if (core != -1)
|
|
mi_uiout->field_signed ("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 (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.c_str (), 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.c_str ());
|
|
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 = top_level_interpreter ()->interp_ui_out ();
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
/* Print breakpoint BP on MI's event channel. */
|
|
|
|
static void
|
|
mi_print_breakpoint_for_event (struct mi_interp *mi, breakpoint *bp)
|
|
{
|
|
ui_out *mi_uiout = mi->interp_ui_out ();
|
|
|
|
/* We want the output from print_breakpoint to go to
|
|
mi->event_channel. One approach would be to just call
|
|
print_breakpoint, 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
|
|
{
|
|
scoped_restore restore_uiout
|
|
= make_scoped_restore (¤t_uiout, mi_uiout);
|
|
|
|
print_breakpoint (bp);
|
|
}
|
|
catch (const gdb_exception &ex)
|
|
{
|
|
exception_print (gdb_stderr, ex);
|
|
}
|
|
|
|
mi_uiout->redirect (NULL);
|
|
}
|
|
|
|
/* 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 ());
|
|
|
|
if (mi == NULL)
|
|
continue;
|
|
|
|
target_terminal::scoped_restore_terminal_state term_state;
|
|
target_terminal::ours_for_output ();
|
|
|
|
fprintf_unfiltered (mi->event_channel,
|
|
"breakpoint-created");
|
|
mi_print_breakpoint_for_event (mi, b);
|
|
|
|
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");
|
|
mi_print_breakpoint_for_event (mi, b);
|
|
|
|
gdb_flush (mi->event_channel);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mi_output_running (struct thread_info *thread)
|
|
{
|
|
SWITCH_THRU_ALL_UIS ()
|
|
{
|
|
struct mi_interp *mi = as_mi_interp (top_level_interpreter ());
|
|
|
|
if (mi == NULL)
|
|
continue;
|
|
|
|
fprintf_unfiltered (mi->raw_stdout,
|
|
"*running,thread-id=\"%d\"\n",
|
|
thread->global_num);
|
|
}
|
|
}
|
|
|
|
/* Return true if there are multiple inferiors loaded. This is used
|
|
for backwards compatibility -- if there's only one inferior, output
|
|
"all", otherwise, output each resumed thread individually. */
|
|
|
|
static bool
|
|
multiple_inferiors_p ()
|
|
{
|
|
int count = 0;
|
|
for (inferior *inf ATTRIBUTE_UNUSED : all_non_exited_inferiors ())
|
|
{
|
|
count++;
|
|
if (count > 1)
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static void
|
|
mi_on_resume_1 (struct mi_interp *mi,
|
|
process_stratum_target *targ, 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 : "");
|
|
}
|
|
|
|
/* Backwards compatibility. If doing a wildcard resume and there's
|
|
only one inferior, output "all", otherwise, output each resumed
|
|
thread individually. */
|
|
if ((ptid == minus_one_ptid || ptid.is_pid ())
|
|
&& !multiple_inferiors_p ())
|
|
fprintf_unfiltered (mi->raw_stdout, "*running,thread-id=\"all\"\n");
|
|
else
|
|
for (thread_info *tp : all_non_exited_threads (targ, ptid))
|
|
mi_output_running (tp);
|
|
|
|
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;
|
|
|
|
process_stratum_target *target = current_inferior ()->process_target ();
|
|
if (ptid == minus_one_ptid || ptid.is_pid ())
|
|
tp = inferior_thread ();
|
|
else
|
|
tp = find_thread_ptid (target, 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, target, 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_signed ("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 = top_level_interpreter ()->interp_ui_out ();
|
|
|
|
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 = top_level_interpreter ()->interp_ui_out ();
|
|
|
|
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 = top_level_interpreter ()->interp_ui_out ();
|
|
|
|
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 = top_level_interpreter ()->interp_ui_out ();
|
|
|
|
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_string ("len", 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_section_flags (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;
|
|
|
|
if (inferior_ptid != null_ptid)
|
|
tp = inferior_thread ();
|
|
else
|
|
tp = NULL;
|
|
|
|
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 = top_level_interpreter ()->interp_ui_out ();
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
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,
|
|
bool debug_redirect)
|
|
{
|
|
struct mi_interp *mi = this;
|
|
|
|
if (logfile != NULL)
|
|
{
|
|
mi->saved_raw_stdout = mi->raw_stdout;
|
|
|
|
/* If something is being redirected, then grab logfile. */
|
|
ui_file *logfile_p = nullptr;
|
|
if (logging_redirect || debug_redirect)
|
|
{
|
|
logfile_p = logfile.get ();
|
|
mi->saved_raw_file_to_delete = logfile_p;
|
|
}
|
|
|
|
/* If something is not being redirected, then a tee containing both the
|
|
logfile and stdout. */
|
|
ui_file *tee = nullptr;
|
|
if (!logging_redirect || !debug_redirect)
|
|
{
|
|
tee = new tee_file (mi->raw_stdout, std::move (logfile));
|
|
mi->saved_raw_file_to_delete = tee;
|
|
}
|
|
|
|
mi->raw_stdout = logging_redirect ? logfile_p : tee;
|
|
mi->raw_stdlog = debug_redirect ? logfile_p : tee;
|
|
}
|
|
else
|
|
{
|
|
delete mi->saved_raw_file_to_delete;
|
|
mi->raw_stdout = mi->saved_raw_stdout;
|
|
mi->saved_raw_stdout = nullptr;
|
|
mi->saved_raw_file_to_delete = nullptr;
|
|
}
|
|
|
|
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
|
|
_initialize_mi_interp ()
|
|
{
|
|
/* 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);
|
|
|
|
gdb::observers::signal_received.attach (mi_on_signal_received);
|
|
gdb::observers::end_stepping_range.attach (mi_on_end_stepping_range);
|
|
gdb::observers::signal_exited.attach (mi_on_signal_exited);
|
|
gdb::observers::exited.attach (mi_on_exited);
|
|
gdb::observers::no_history.attach (mi_on_no_history);
|
|
gdb::observers::new_thread.attach (mi_new_thread);
|
|
gdb::observers::thread_exit.attach (mi_thread_exit);
|
|
gdb::observers::inferior_added.attach (mi_inferior_added);
|
|
gdb::observers::inferior_appeared.attach (mi_inferior_appeared);
|
|
gdb::observers::inferior_exit.attach (mi_inferior_exit);
|
|
gdb::observers::inferior_removed.attach (mi_inferior_removed);
|
|
gdb::observers::record_changed.attach (mi_record_changed);
|
|
gdb::observers::normal_stop.attach (mi_on_normal_stop);
|
|
gdb::observers::target_resumed.attach (mi_on_resume);
|
|
gdb::observers::solib_loaded.attach (mi_solib_loaded);
|
|
gdb::observers::solib_unloaded.attach (mi_solib_unloaded);
|
|
gdb::observers::about_to_proceed.attach (mi_about_to_proceed);
|
|
gdb::observers::traceframe_changed.attach (mi_traceframe_changed);
|
|
gdb::observers::tsv_created.attach (mi_tsv_created);
|
|
gdb::observers::tsv_deleted.attach (mi_tsv_deleted);
|
|
gdb::observers::tsv_modified.attach (mi_tsv_modified);
|
|
gdb::observers::breakpoint_created.attach (mi_breakpoint_created);
|
|
gdb::observers::breakpoint_deleted.attach (mi_breakpoint_deleted);
|
|
gdb::observers::breakpoint_modified.attach (mi_breakpoint_modified);
|
|
gdb::observers::command_param_changed.attach (mi_command_param_changed);
|
|
gdb::observers::memory_changed.attach (mi_memory_changed);
|
|
gdb::observers::sync_execution_done.attach (mi_on_sync_execution_done);
|
|
gdb::observers::user_selected_context_changed.attach
|
|
(mi_user_selected_context_changed);
|
|
}
|