static struct interp *
find_mi_interpreter (void)
{
struct interp *interp;
interp = top_level_interpreter ();
if (ui_out_is_mi_like_p (interp_ui_out (interp)))
return interp;
interp = command_interp ();
if (ui_out_is_mi_like_p (interp_ui_out (interp)))
return interp;
return NULL;
}
static void
mi_solib_loaded (struct so_list *solib)
{
struct mi_interp *mi = top_level_interpreter_data ();
struct ui_out *uiout = interp_ui_out (top_level_interpreter ());
target_terminal_ours ();
fprintf_unfiltered (mi->event_channel, "library-loaded");
ui_out_redirect (uiout, mi->event_channel);
ui_out_field_string (uiout, "id", solib->so_original_name);
ui_out_field_string (uiout, "target-name", solib->so_original_name);
ui_out_field_string (uiout, "host-name", solib->so_name);
ui_out_field_int (uiout, "symbols-loaded", solib->symbols_loaded);
if (!gdbarch_has_global_solist (target_gdbarch ()))
{
ui_out_field_fmt (uiout, "thread-group", "i%d", current_inferior ()->num);
}
ui_out_redirect (uiout, NULL);
gdb_flush (mi->event_channel);
}
static void
mi_breakpoint_modified (struct breakpoint *b)
{
struct mi_interp *mi = top_level_interpreter_data ();
struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
volatile struct gdb_exception e;
if (mi_suppress_notification.breakpoint)
return;
if (b->number <= 0)
return;
target_terminal_ours ();
fprintf_unfiltered (mi->event_channel,
"breakpoint-modified");
/* We want the output from gdb_breakpoint_query to go to
mi->event_channel. One approach would be to just call
gdb_breakpoint_query, and then use mi_out_put to send the current
content of mi_outout into mi->event_channel. However, that will
break if anything is output to mi_uiout prior to calling the
breakpoint_created notifications. So, we use
ui_out_redirect. */
ui_out_redirect (mi_uiout, mi->event_channel);
TRY_CATCH (e, RETURN_MASK_ERROR)
gdb_breakpoint_query (mi_uiout, b->number, NULL);
ui_out_redirect (mi_uiout, NULL);
gdb_flush (mi->event_channel);
}
static void
mi_on_normal_stop (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 ());
if (print_frame)
{
int core;
if (current_uiout != mi_uiout)
{
/* The normal_stop function has printed frame information
into CLI uiout, or some other non-MI uiout. There's no
way we can extract proper fields from random uiout
object, so we print the frame again. In practice, this
can only happen when running a CLI command in MI. */
struct ui_out *saved_uiout = current_uiout;
struct target_waitstatus last;
ptid_t last_ptid;
current_uiout = mi_uiout;
get_last_target_status (&last_ptid, &last);
bpstat_print (bs, last.kind);
print_stack_frame (get_selected_frame (NULL), 0, SRC_AND_LOC, 1);
current_uiout = saved_uiout;
}
ui_out_field_int (mi_uiout, "thread-id",
pid_to_thread_id (inferior_ptid));
if (non_stop)
{
struct cleanup *back_to = make_cleanup_ui_out_list_begin_end
(mi_uiout, "stopped-threads");
ui_out_field_int (mi_uiout, NULL,
pid_to_thread_id (inferior_ptid));
do_cleanups (back_to);
}
else
ui_out_field_string (mi_uiout, "stopped-threads", "all");
core = target_core_of_thread (inferior_ptid);
if (core != -1)
ui_out_field_int (mi_uiout, "core", core);
}
fputs_unfiltered ("*stopped", raw_stdout);
mi_out_put (mi_uiout, raw_stdout);
mi_out_rewind (mi_uiout);
mi_print_timing_maybe ();
fputs_unfiltered ("\n", raw_stdout);
gdb_flush (raw_stdout);
}
enum command_control_type
execute_control_command (struct command_line *cmd)
{
/* Make sure we use the console uiout. It's possible that we are executing
breakpoint commands while running the MI interpreter. */
interp *console = interp_lookup (current_ui, INTERP_CONSOLE);
scoped_restore save_uiout
= make_scoped_restore (¤t_uiout, interp_ui_out (console));
return execute_control_command_1 (cmd);
}
void
start_event_loop (void)
{
/* Loop until there is nothing to do. This is the entry point to the
event loop engine. gdb_do_one_event, called via catch_errors()
will process one event for each invocation. It blocks waits for
an event and then processes it. >0 when an event is processed, 0
when catch_errors() caught an error and <0 when there are no
longer any event sources registered. */
while (1)
{
int gdb_result;
uiout = interp_ui_out (current_interp ());
gdb_result = catch_errors (gdb_do_one_event, 0, "", RETURN_MASK_ALL);
if (gdb_result < 0)
break;
/* If we long-jumped out of do_one_event, we probably
didn't get around to resetting the prompt, which leaves
readline in a messed-up state. Reset it here. */
if (gdb_result == 0)
{
/* APPLE LOCAL whack-a-FIXME */
display_gdb_prompt (0);
/* This call looks bizarre, but it is required. If the user
entered a command that caused an error,
after_char_processing_hook won't be called from
rl_callback_read_char_wrapper. Using a cleanup there
won't work, since we want this function to be called
after a new prompt is printed. */
if (after_char_processing_hook)
(*after_char_processing_hook) ();
/* Maybe better to set a flag to be checked somewhere as to
whether display the prompt or not. */
}
}
/* We are done with the event loop. There are no more event sources
to listen to. So we exit GDB. */
return;
}
static void
mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr,
ssize_t len, const bfd_byte *myaddr)
{
struct mi_interp *mi = top_level_interpreter_data ();
struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
struct obj_section *sec;
if (mi_suppress_notification.memory)
return;
target_terminal_ours ();
fprintf_unfiltered (mi->event_channel,
"memory-changed");
ui_out_redirect (mi_uiout, mi->event_channel);
ui_out_field_fmt (mi_uiout, "thread-group", "i%d", inferior->num);
ui_out_field_core_addr (mi_uiout, "addr", target_gdbarch (), memaddr);
ui_out_field_fmt (mi_uiout, "len", "%s", hex_string (len));
/* Append 'type=code' into notification if MEMADDR falls in the range of
sections contain code. */
sec = find_pc_section (memaddr);
if (sec != NULL && sec->objfile != NULL)
{
flagword flags = bfd_get_section_flags (sec->objfile->obfd,
sec->the_bfd_section);
if (flags & SEC_CODE)
ui_out_field_string (mi_uiout, "type", "code");
}
ui_out_redirect (mi_uiout, NULL);
gdb_flush (mi->event_channel);
}
static void
mi_tsv_modified (const struct trace_state_variable *tsv)
{
struct mi_interp *mi = top_level_interpreter_data ();
struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
target_terminal_ours ();
fprintf_unfiltered (mi->event_channel,
"tsv-modified");
ui_out_redirect (mi_uiout, mi->event_channel);
ui_out_field_string (mi_uiout, "name", tsv->name);
ui_out_field_string (mi_uiout, "initial",
plongest (tsv->initial_value));
if (tsv->value_known)
ui_out_field_string (mi_uiout, "current", plongest (tsv->value));
ui_out_redirect (mi_uiout, NULL);
gdb_flush (mi->event_channel);
}
static void
mi_command_param_changed (const char *param, const char *value)
{
struct mi_interp *mi = top_level_interpreter_data ();
struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ());
if (mi_suppress_notification.cmd_param_changed)
return;
target_terminal_ours ();
fprintf_unfiltered (mi->event_channel,
"cmd-param-changed");
ui_out_redirect (mi_uiout, mi->event_channel);
ui_out_field_string (mi_uiout, "param", param);
ui_out_field_string (mi_uiout, "value", value);
ui_out_redirect (mi_uiout, NULL);
gdb_flush (mi->event_channel);
}
static void
mi_on_normal_stop (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 ());
if (print_frame)
{
int core;
if (current_uiout != mi_uiout)
{
/* The normal_stop function has printed frame information
into CLI uiout, or some other non-MI uiout. There's no
way we can extract proper fields from random uiout
object, so we print the frame again. In practice, this
can only happen when running a CLI command in MI. */
struct ui_out *saved_uiout = current_uiout;
struct target_waitstatus last;
ptid_t last_ptid;
current_uiout = mi_uiout;
get_last_target_status (&last_ptid, &last);
print_stop_event (&last);
current_uiout = saved_uiout;
}
/* Otherwise, frame information has already been printed by
normal_stop. */
else
{
/* Breakpoint hits should always be mirrored to the console.
Deciding what to mirror to the console wrt to breakpoints
and random stops gets messy real fast. E.g., say "s"
trips on a breakpoint. We'd clearly want to mirror the
event to the console in this case. But what about more
complicated cases like "s&; thread n; s&", and one of
those steps spawning a new thread, and that thread
hitting a breakpoint? It's impossible in general to
track whether the thread had any relation to the commands
that had been executed. So we just simplify and always
mirror breakpoints and random events to the console.
Also, CLI execution commands (-interpreter-exec console
"next", for example) in async mode have the opposite
issue as described in the "then" branch above --
normal_stop has already printed frame information to MI
uiout, but nothing has printed the same information to
the CLI channel. We should print the source line to the
console when stepping or other similar commands, iff the
step was started by a console command (but not if it was
started with -exec-step or similar). */
struct thread_info *tp = inferior_thread ();
if ((!tp->control.stop_step
&& !tp->control.proceed_to_finish)
|| (tp->control.command_interp != NULL
&& tp->control.command_interp != top_level_interpreter ()))
{
struct mi_interp *mi = top_level_interpreter_data ();
struct target_waitstatus last;
ptid_t last_ptid;
struct cleanup *old_chain;
/* Set the current uiout to CLI uiout temporarily. */
old_chain = make_cleanup (restore_current_uiout_cleanup,
current_uiout);
current_uiout = mi->cli_uiout;
get_last_target_status (&last_ptid, &last);
print_stop_event (&last);
do_cleanups (old_chain);
}
}
ui_out_field_int (mi_uiout, "thread-id",
pid_to_thread_id (inferior_ptid));
if (non_stop)
{
struct cleanup *back_to = make_cleanup_ui_out_list_begin_end
(mi_uiout, "stopped-threads");
ui_out_field_int (mi_uiout, NULL,
pid_to_thread_id (inferior_ptid));
do_cleanups (back_to);
}
else
ui_out_field_string (mi_uiout, "stopped-threads", "all");
core = target_core_of_thread (inferior_ptid);
if (core != -1)
ui_out_field_int (mi_uiout, "core", core);
}
fputs_unfiltered ("*stopped", raw_stdout);
mi_out_put (mi_uiout, raw_stdout);
mi_out_rewind (mi_uiout);
mi_print_timing_maybe ();
fputs_unfiltered ("\n", raw_stdout);
gdb_flush (raw_stdout);
}
static void
mi_on_normal_stop (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 ());
if (print_frame)
{
struct thread_info *tp;
int core;
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);
ui_out_field_string (mi_uiout, "reason",
async_reason_lookup (reason));
}
print_stop_event (mi_uiout);
/* Breakpoint hits should always be mirrored to the console.
Deciding what to mirror to the console wrt to breakpoints and
random stops gets messy real fast. E.g., say "s" trips on a
breakpoint. We'd clearly want to mirror the event to the
console in this case. But what about more complicated cases
like "s&; thread n; s&", and one of those steps spawning a
new thread, and that thread hitting a breakpoint? It's
impossible in general to track whether the thread had any
relation to the commands that had been executed. So we just
simplify and always mirror breakpoints and random events to
the console.
OTOH, we should print the source line to the console when
stepping or other similar commands, iff the step was started
by a console command, but not if it was started with
-exec-step or similar. */
if ((bpstat_what (tp->control.stop_bpstat).main_action
== BPSTAT_WHAT_STOP_NOISY)
|| !(tp->thread_fsm != NULL
&& thread_fsm_finished_p (tp->thread_fsm))
|| (tp->control.command_interp != NULL
&& tp->control.command_interp != top_level_interpreter ()))
{
struct mi_interp *mi
= (struct mi_interp *) top_level_interpreter_data ();
print_stop_event (mi->cli_uiout);
}
ui_out_field_int (mi_uiout, "thread-id",
pid_to_thread_id (inferior_ptid));
if (non_stop)
{
struct cleanup *back_to = make_cleanup_ui_out_list_begin_end
(mi_uiout, "stopped-threads");
ui_out_field_int (mi_uiout, NULL,
pid_to_thread_id (inferior_ptid));
do_cleanups (back_to);
}
else
ui_out_field_string (mi_uiout, "stopped-threads", "all");
core = target_core_of_thread (inferior_ptid);
if (core != -1)
ui_out_field_int (mi_uiout, "core", core);
}
fputs_unfiltered ("*stopped", raw_stdout);
mi_out_put (mi_uiout, raw_stdout);
mi_out_rewind (mi_uiout);
mi_print_timing_maybe ();
fputs_unfiltered ("\n", raw_stdout);
gdb_flush (raw_stdout);
}
