/* MI Interpreter Definitions and Commands for GDB, the GNU debugger.
- Copyright (C) 2002-2018 Free Software Foundation, Inc.
+ Copyright (C) 2002-2020 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
+
+#include "mi-interp.h"
+
#include "interps.h"
#include "event-top.h"
#include "event-loop.h"
#include "cli-out.h"
#include "thread-fsm.h"
#include "cli/cli-interp.h"
+#include "gdbsupport/scope-exit.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);
+static void mi_execute_command_input_handler
+ (gdb::unique_xmalloc_ptr<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
mi_interp::init (bool top_level)
{
mi_interp *mi = this;
- 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
mi->log = mi->err;
mi->targ = new mi_console_file (mi->raw_stdout, "@", '"');
mi->event_channel = new mi_console_file (mi->raw_stdout, "=", 0);
-
- /* 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->mi_uiout = mi_out_new (name ());
+ gdb_assert (mi->mi_uiout != nullptr);
mi->cli_uiout = cli_out_new (mi->out);
if (top_level)
mi_interp::exec (const char *command)
{
mi_execute_command_wrapper (command);
- return exception_none;
+ return gdb_exception ();
}
void
/* Now run the code. */
- std::string mi_error_message;
+ SCOPE_EXIT
+ {
+ mi_remove_notify_hooks ();
+ };
+
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;
- }
+ error ("%s", e.what ());
}
-
- 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
/* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */
static void
-mi_execute_command_input_handler (char *cmd)
+mi_execute_command_input_handler (gdb::unique_xmalloc_ptr<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);
+ mi_execute_command_wrapper (cmd.get ());
/* Print a prompt, indicating we're ready for further input, unless
we just started a synchronous command. In that case, we're about
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 ());
fprintf_unfiltered (mi->event_channel,
"thread-created,id=\"%d\",group-id=\"i%d\"",
- t->global_num, inf->num);
+ t->global_num, t->inf->num);
gdb_flush (mi->event_channel);
}
}
}
/* Observers for several run control events that print why the
- inferior has stopped to both the the MI event channel and to the MI
+ 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. */
tp = inferior_thread ();
if (tp->thread_fsm != NULL
- && thread_fsm_finished_p (tp->thread_fsm))
+ && tp->thread_fsm->finished_p ())
{
enum async_reply_reason reason;
- reason = thread_fsm_async_reply_reason (tp->thread_fsm);
+ reason = tp->thread_fsm->async_reply_reason ();
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))
+ /* 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_int ("thread-id", tp->global_num);
+ 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_int (NULL, tp->global_num);
+ mi_uiout->field_signed (NULL, tp->global_num);
}
else
mi_uiout->field_string ("stopped-threads", "all");
- core = target_core_of_thread (inferior_ptid);
+ core = target_core_of_thread (tp->ptid);
if (core != -1)
- mi_uiout->field_int ("core", core);
+ mi_uiout->field_signed ("core", core);
}
fputs_unfiltered ("*stopped", mi->raw_stdout);
{
/* Suppress output while calling an inferior function. */
- if (!ptid_equal (inferior_ptid, null_ptid))
+ if (inferior_ptid != null_ptid)
{
struct thread_info *tp = inferior_thread ();
ui_out_redirect. */
mi_uiout->redirect (mi->event_channel);
- TRY
+ try
{
scoped_restore restore_uiout
= make_scoped_restore (¤t_uiout, mi_uiout);
print_breakpoint (bp);
}
- CATCH (ex, RETURN_MASK_ALL)
+ catch (const gdb_exception &ex)
{
exception_print (gdb_stderr, ex);
}
- END_CATCH
mi_uiout->redirect (NULL);
}
}
}
-static int
-mi_output_running_pid (struct thread_info *info, void *arg)
+static void
+mi_output_running (struct thread_info *thread)
{
- 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);
+ fprintf_unfiltered (mi->raw_stdout,
+ "*running,thread-id=\"%d\"\n",
+ thread->global_num);
}
-
- return 0;
}
-static int
-mi_inferior_count (struct inferior *inf, void *arg)
+/* 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 ()
{
- if (inf->pid != 0)
+ int count = 0;
+ for (inferior *inf ATTRIBUTE_UNUSED : all_non_exited_inferiors ())
{
- int *count_p = (int *) arg;
- (*count_p)++;
+ count++;
+ if (count > 1)
+ return true;
}
- return 0;
+ return false;
}
static void
-mi_on_resume_1 (struct mi_interp *mi, ptid_t ptid)
+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
current_token ? current_token : "");
}
- if (ptid_get_pid (ptid) == -1)
+ /* 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 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);
- }
+ for (thread_info *tp : all_non_exited_threads (targ, ptid))
+ mi_output_running (tp);
if (!running_result_record_printed && mi_proceeded)
{
{
struct thread_info *tp = NULL;
- if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid))
+ process_stratum_target *target = current_inferior ()->process_target ();
+ if (ptid == minus_one_ptid || ptid.is_pid ())
tp = inferior_thread ();
else
- tp = find_thread_ptid (ptid);
+ tp = find_thread_ptid (target, ptid);
/* Suppress output while calling an inferior function. */
if (tp->control.in_infcall)
target_terminal::scoped_restore_terminal_state term_state;
target_terminal::ours_for_output ();
- mi_on_resume_1 (mi, ptid);
+ mi_on_resume_1 (mi, target, ptid);
}
}
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);
+ 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);
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));
+ 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_get_section_flags (sec->objfile->obfd,
- sec->the_bfd_section);
+ flagword flags = bfd_section_flags (sec->the_bfd_section);
if (flags & SEC_CODE)
mi_uiout->field_string ("type", "code");
if (mi_suppress_notification.user_selected_context)
return;
- tp = find_thread_ptid (inferior_ptid);
+ if (inferior_ptid != null_ptid)
+ tp = inferior_thread ();
+ else
+ tp = NULL;
SWITCH_THRU_ALL_UIS ()
{
the consoles to use the supplied ui-file(s). */
void
-mi_interp::set_logging (ui_file_up logfile, bool logging_redirect)
+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;
- mi->raw_stdout = make_logging_output (mi->raw_stdout,
- std::move (logfile),
- logging_redirect);
+ /* 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->raw_stdout;
+ delete mi->saved_raw_file_to_delete;
mi->raw_stdout = mi->saved_raw_stdout;
- mi->saved_raw_stdout = NULL;
+ 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);
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