/* Annotation routines for GDB.
- Copyright (C) 1986-2013 Free Software Foundation, Inc.
+ Copyright (C) 1986-2015 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdbtypes.h"
#include "breakpoint.h"
#include "observer.h"
+#include "inferior.h"
+#include "infrun.h"
\f
/* Prototypes for local functions. */
void (*deprecated_annotate_signalled_hook) (void);
void (*deprecated_annotate_signal_hook) (void);
+/* Booleans indicating whether we've emitted certain notifications.
+ Used to suppress useless repeated notifications until the next time
+ we're ready to accept more commands. Reset whenever a prompt is
+ displayed. */
+static int frames_invalid_emitted;
+static int breakpoints_invalid_emitted;
+
+/* True if the target can async, and a synchronous execution command
+ is not in progress. If true, input is accepted, so don't suppress
+ annotations. */
+
+static int
+async_background_execution_p (void)
+{
+ return (target_can_async_p () && !sync_execution);
+}
+
static void
print_value_flags (struct type *t)
{
else
printf_filtered (("-"));
}
-\f
-void
-annotate_breakpoints_changed (void)
+
+static void
+annotate_breakpoints_invalid (void)
{
- if (annotation_level == 2)
+ if (annotation_level == 2
+ && (!breakpoints_invalid_emitted
+ || async_background_execution_p ()))
{
- target_terminal_ours ();
+ /* If the inferior owns the terminal (e.g., we're resuming),
+ make sure to leave with the inferior still owning it. */
+ int was_inferior = target_terminal_is_inferior ();
+
+ target_terminal_ours_for_output ();
+
printf_unfiltered (("\n\032\032breakpoints-invalid\n"));
+
+ if (was_inferior)
+ target_terminal_inferior ();
+
+ breakpoints_invalid_emitted = 1;
}
}
void
annotate_frames_invalid (void)
{
- if (annotation_level == 2)
+ if (annotation_level == 2
+ && (!frames_invalid_emitted
+ || async_background_execution_p ()))
{
- target_terminal_ours ();
+ /* If the inferior owns the terminal (e.g., we're resuming),
+ make sure to leave with the inferior still owning it. */
+ int was_inferior = target_terminal_is_inferior ();
+
+ target_terminal_ours_for_output ();
+
printf_unfiltered (("\n\032\032frames-invalid\n"));
+
+ if (was_inferior)
+ target_terminal_inferior ();
+
+ frames_invalid_emitted = 1;
}
}
printf_filtered (("\n\032\032array-section-end\n"));
}
+/* Called when GDB is about to display the prompt. Used to reset
+ annotation suppression whenever we're ready to accept new
+ frontend/user commands. */
+
+void
+annotate_display_prompt (void)
+{
+ frames_invalid_emitted = 0;
+ breakpoints_invalid_emitted = 0;
+}
+
static void
breakpoint_changed (struct breakpoint *b)
{
- annotate_breakpoints_changed ();
+ if (b->number <= 0)
+ return;
+
+ annotate_breakpoints_invalid ();
}
void
_initialize_annotate (void)
{
- if (annotation_level == 2)
- {
- observer_attach_breakpoint_deleted (breakpoint_changed);
- observer_attach_breakpoint_modified (breakpoint_changed);
- }
+ observer_attach_breakpoint_created (breakpoint_changed);
+ observer_attach_breakpoint_deleted (breakpoint_changed);
+ observer_attach_breakpoint_modified (breakpoint_changed);
}