/* Annotation routines for GDB.
- Copyright (C) 1986, 1989, 1990, 1991, 1992, 1994, 1995, 1996, 1998, 1999,
- 2000 Free Software Foundation, Inc.
+ Copyright (C) 1986-2020 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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "annotate.h"
#include "target.h"
#include "gdbtypes.h"
#include "breakpoint.h"
+#include "observable.h"
+#include "inferior.h"
+#include "infrun.h"
+#include "top.h"
+#include "source.h"
+#include "objfiles.h"
+#include "source-cache.h"
\f
-/* Prototypes for local functions. */
-
-extern void _initialize_annotate (void);
+/* Prototypes for local functions. */
static void print_value_flags (struct type *);
-static void breakpoint_changed (struct breakpoint *);
+static void breakpoint_changed (struct breakpoint *b);
+
-void (*deprecated_annotate_starting_hook) (void);
-void (*deprecated_annotate_stopped_hook) (void);
void (*deprecated_annotate_signalled_hook) (void);
void (*deprecated_annotate_signal_hook) (void);
-void (*deprecated_annotate_exited_hook) (void);
-static int ignore_count_changed = 0;
+/* 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;
static void
print_value_flags (struct type *t)
else
printf_filtered (("-"));
}
-\f
-void
-breakpoints_changed (void)
+
+static void
+annotate_breakpoints_invalid (void)
{
- if (annotation_level == 2)
+ if (annotation_level == 2
+ && (!breakpoints_invalid_emitted
+ || current_ui->prompt_state != PROMPT_BLOCKED))
{
- target_terminal_ours ();
+ target_terminal::scoped_restore_terminal_state term_state;
+ target_terminal::ours_for_output ();
+
printf_unfiltered (("\n\032\032breakpoints-invalid\n"));
- if (ignore_count_changed)
- ignore_count_changed = 0; /* Avoid multiple break annotations. */
+ breakpoints_invalid_emitted = 1;
}
}
-/* The GUI needs to be informed of ignore_count changes, but we don't
- want to provide successive multiple breakpoints-invalid messages
- that are all caused by the fact that the ignore count is changing
- (which could keep the GUI very busy). One is enough, after the
- target actually "stops". */
-
-void
-annotate_ignore_count_change (void)
-{
- if (annotation_level > 1)
- ignore_count_changed = 1;
-}
-
void
annotate_breakpoint (int num)
{
void
annotate_starting (void)
{
-
- if (deprecated_annotate_starting_hook)
- deprecated_annotate_starting_hook ();
- else
- {
- if (annotation_level > 1)
- {
- printf_filtered (("\n\032\032starting\n"));
- }
- }
+ if (annotation_level > 1)
+ printf_filtered (("\n\032\032starting\n"));
}
void
annotate_stopped (void)
{
- if (deprecated_annotate_stopped_hook)
- deprecated_annotate_stopped_hook ();
- else
- {
- if (annotation_level > 1)
- printf_filtered (("\n\032\032stopped\n"));
- }
- if (annotation_level > 1 && ignore_count_changed)
- {
- ignore_count_changed = 0;
- breakpoints_changed ();
- }
+ if (annotation_level > 1)
+ printf_filtered (("\n\032\032stopped\n"));
}
void
annotate_exited (int exitstatus)
{
- if (deprecated_annotate_exited_hook)
- deprecated_annotate_exited_hook ();
- else
- {
- if (annotation_level > 1)
- printf_filtered (("\n\032\032exited %d\n"), exitstatus);
- }
+ if (annotation_level > 1)
+ printf_filtered (("\n\032\032exited %d\n"), exitstatus);
}
void
void
annotate_frames_invalid (void)
{
- if (annotation_level == 2)
+ if (annotation_level == 2
+ && (!frames_invalid_emitted
+ || current_ui->prompt_state != PROMPT_BLOCKED))
{
- target_terminal_ours ();
+ target_terminal::scoped_restore_terminal_state term_state;
+ target_terminal::ours_for_output ();
+
printf_unfiltered (("\n\032\032frames-invalid\n"));
+ frames_invalid_emitted = 1;
+ }
+}
+
+void
+annotate_new_thread (void)
+{
+ if (annotation_level > 1)
+ {
+ printf_unfiltered (("\n\032\032new-thread\n"));
+ }
+}
+
+void
+annotate_thread_changed (void)
+{
+ if (annotation_level > 1)
+ {
+ printf_unfiltered (("\n\032\032thread-changed\n"));
+ }
+}
+
+/* Emit notification on thread exit. */
+
+static void
+annotate_thread_exited (struct thread_info *t, int silent)
+{
+ if (annotation_level > 1)
+ {
+ printf_filtered(("\n\032\032thread-exited,"
+ "id=\"%d\",group-id=\"i%d\"\n"),
+ t->global_num, t->inf->num);
}
}
printf_filtered (("\n\032\032arg-end\n"));
}
-void
-annotate_source (char *filename, int line, int character, int mid, CORE_ADDR pc)
+static void
+annotate_source (const char *filename, int line, int character, int mid,
+ struct gdbarch *gdbarch, CORE_ADDR pc)
{
if (annotation_level > 1)
printf_filtered (("\n\032\032source "));
else
printf_filtered (("\032\032"));
- printf_filtered (("%s:%d:%d:%s:0x"), filename,
- line, character,
- mid ? "middle" : "beg");
- deprecated_print_address_numeric (pc, 0, gdb_stdout);
- printf_filtered (("\n"));
+ printf_filtered (("%s:%d:%d:%s:%s\n"), filename, line, character,
+ mid ? "middle" : "beg", paddress (gdbarch, pc));
}
+/* See annotate.h. */
+
void
-annotate_frame_begin (int level, CORE_ADDR pc)
+annotate_source_line (struct symtab *s, int line, int mid_statement,
+ CORE_ADDR pc)
{
- if (annotation_level > 1)
+ if (annotation_level > 0)
{
- printf_filtered (("\n\032\032frame-begin %d 0x"), level);
- deprecated_print_address_numeric (pc, 0, gdb_stdout);
- printf_filtered (("\n"));
+ const std::vector<off_t> *offsets;
+ if (!g_source_cache.get_line_charpos (s, &offsets))
+ return;
+
+ /* Don't index off the end of the line_charpos array. */
+ if (line > offsets->size ())
+ return;
+
+ annotate_source (s->fullname, line, (int) (*offsets)[line - 1],
+ mid_statement, get_objfile_arch (SYMTAB_OBJFILE (s)),
+ pc);
}
}
+
+void
+annotate_frame_begin (int level, struct gdbarch *gdbarch, CORE_ADDR pc)
+{
+ if (annotation_level > 1)
+ printf_filtered (("\n\032\032frame-begin %d %s\n"),
+ level, paddress (gdbarch, pc));
+}
+
void
annotate_function_call (void)
{
}
\f
void
-annotate_array_section_begin (int index, struct type *elttype)
+annotate_array_section_begin (int idx, struct type *elttype)
{
if (annotation_level == 2)
{
- printf_filtered (("\n\032\032array-section-begin %d "), index);
+ printf_filtered (("\n\032\032array-section-begin %d "), idx);
print_value_flags (elttype);
printf_filtered (("\n"));
}
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)
{
- breakpoints_changed ();
+ if (b->number <= 0)
+ return;
+
+ annotate_breakpoints_invalid ();
}
void
_initialize_annotate (void)
{
- if (annotation_level == 2)
- {
- deprecated_delete_breakpoint_hook = breakpoint_changed;
- deprecated_modify_breakpoint_hook = breakpoint_changed;
- }
+ gdb::observers::breakpoint_created.attach (breakpoint_changed);
+ gdb::observers::breakpoint_deleted.attach (breakpoint_changed);
+ gdb::observers::breakpoint_modified.attach (breakpoint_changed);
+ gdb::observers::thread_exit.attach (annotate_thread_exited);
}