X-Git-Url: https://repo.jachan.dev/binutils.git/blobdiff_plain/28e7fd62340426746f9c896cbc40c5d374ec47aa..HEAD:/gdb/annotate.c

diff --git a/gdb/annotate.c b/gdb/annotate.c
index 1919467e74..33805dcdb3 100644
--- a/gdb/annotate.c
+++ b/gdb/annotate.c
@@ -1,5 +1,5 @@
 /* Annotation routines for GDB.
-   Copyright (C) 1986-2013 Free Software Foundation, Inc.
+   Copyright (C) 1986-2022 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -22,13 +22,17 @@
 #include "target.h"
 #include "gdbtypes.h"
 #include "breakpoint.h"
-#include "observer.h"
+#include "observable.h"
+#include "inferior.h"
+#include "infrun.h"
+#include "top.h"
+#include "source.h"
+#include "objfiles.h"
+#include "source-cache.h"
 
 
 /* Prototypes for local functions.  */
 
-extern void _initialize_annotate (void);
-
 static void print_value_flags (struct type *);
 
 static void breakpoint_changed (struct breakpoint *b);
@@ -37,87 +41,77 @@ static void breakpoint_changed (struct breakpoint *b);
 void (*deprecated_annotate_signalled_hook) (void);
 void (*deprecated_annotate_signal_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)
 {
   if (can_dereference (t))
-    printf_filtered (("*"));
+    printf_unfiltered (("*"));
   else
-    printf_filtered (("-"));
+    printf_unfiltered (("-"));
 }
-
-void
-annotate_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)
 {
   if (annotation_level > 1)
-    printf_filtered (("\n\032\032breakpoint %d\n"), num);
+    printf_unfiltered (("\n\032\032breakpoint %d\n"), num);
 }
 
 void
 annotate_catchpoint (int num)
 {
   if (annotation_level > 1)
-    printf_filtered (("\n\032\032catchpoint %d\n"), num);
+    printf_unfiltered (("\n\032\032catchpoint %d\n"), num);
 }
 
 void
 annotate_watchpoint (int num)
 {
   if (annotation_level > 1)
-    printf_filtered (("\n\032\032watchpoint %d\n"), num);
+    printf_unfiltered (("\n\032\032watchpoint %d\n"), num);
 }
 
 void
 annotate_starting (void)
 {
   if (annotation_level > 1)
-    printf_filtered (("\n\032\032starting\n"));
+    printf_unfiltered (("\n\032\032starting\n"));
 }
 
 void
 annotate_stopped (void)
 {
   if (annotation_level > 1)
-    printf_filtered (("\n\032\032stopped\n"));
-  if (annotation_level > 1 && ignore_count_changed)
-    {
-      ignore_count_changed = 0;
-      annotate_breakpoints_changed ();
-    }
+    printf_unfiltered (("\n\032\032stopped\n"));
 }
 
 void
 annotate_exited (int exitstatus)
 {
   if (annotation_level > 1)
-    printf_filtered (("\n\032\032exited %d\n"), exitstatus);
+    printf_unfiltered (("\n\032\032exited %d\n"), exitstatus);
 }
 
 void
@@ -127,35 +121,35 @@ annotate_signalled (void)
     deprecated_annotate_signalled_hook ();
 
   if (annotation_level > 1)
-    printf_filtered (("\n\032\032signalled\n"));
+    printf_unfiltered (("\n\032\032signalled\n"));
 }
 
 void
 annotate_signal_name (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032signal-name\n"));
+    printf_unfiltered (("\n\032\032signal-name\n"));
 }
 
 void
 annotate_signal_name_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032signal-name-end\n"));
+    printf_unfiltered (("\n\032\032signal-name-end\n"));
 }
 
 void
 annotate_signal_string (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032signal-string\n"));
+    printf_unfiltered (("\n\032\032signal-string\n"));
 }
 
 void
 annotate_signal_string_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032signal-string-end\n"));
+    printf_unfiltered (("\n\032\032signal-string-end\n"));
 }
 
 void
@@ -165,51 +159,56 @@ annotate_signal (void)
     deprecated_annotate_signal_hook ();
 
   if (annotation_level > 1)
-    printf_filtered (("\n\032\032signal\n"));
+    printf_unfiltered (("\n\032\032signal\n"));
 }
 
 void
 annotate_breakpoints_headers (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032breakpoints-headers\n"));
+    printf_unfiltered (("\n\032\032breakpoints-headers\n"));
 }
 
 void
 annotate_field (int num)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032field %d\n"), num);
+    printf_unfiltered (("\n\032\032field %d\n"), num);
 }
 
 void
 annotate_breakpoints_table (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032breakpoints-table\n"));
+    printf_unfiltered (("\n\032\032breakpoints-table\n"));
 }
 
 void
 annotate_record (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032record\n"));
+    printf_unfiltered (("\n\032\032record\n"));
 }
 
 void
 annotate_breakpoints_table_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032breakpoints-table-end\n"));
+    printf_unfiltered (("\n\032\032breakpoints-table-end\n"));
 }
 
 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;
     }
 }
 
@@ -231,14 +230,27 @@ annotate_thread_changed (void)
     }
 }
 
+/* Emit notification on thread exit.  */
+
+static void
+annotate_thread_exited (struct thread_info *t, int silent)
+{
+  if (annotation_level > 1)
+    {
+      printf_unfiltered (("\n\032\032thread-exited,"
+			  "id=\"%d\",group-id=\"i%d\"\n"),
+			 t->global_num, t->inf->num);
+    }
+}
+
 void
 annotate_field_begin (struct type *type)
 {
   if (annotation_level == 2)
     {
-      printf_filtered (("\n\032\032field-begin "));
+      printf_unfiltered (("\n\032\032field-begin "));
       print_value_flags (type);
-      printf_filtered (("\n"));
+      printf_unfiltered (("\n"));
     }
 }
 
@@ -246,42 +258,42 @@ void
 annotate_field_name_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032field-name-end\n"));
+    printf_unfiltered (("\n\032\032field-name-end\n"));
 }
 
 void
 annotate_field_value (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032field-value\n"));
+    printf_unfiltered (("\n\032\032field-value\n"));
 }
 
 void
 annotate_field_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032field-end\n"));
+    printf_unfiltered (("\n\032\032field-end\n"));
 }
 
 void
 annotate_quit (void)
 {
   if (annotation_level > 1)
-    printf_filtered (("\n\032\032quit\n"));
+    printf_unfiltered (("\n\032\032quit\n"));
 }
 
 void
 annotate_error (void)
 {
   if (annotation_level > 1)
-    printf_filtered (("\n\032\032error\n"));
+    printf_unfiltered (("\n\032\032error\n"));
 }
 
 void
 annotate_error_begin (void)
 {
   if (annotation_level > 1)
-    fprintf_filtered (gdb_stderr, "\n\032\032error-begin\n");
+    gdb_printf (gdb_stderr, "\n\032\032error-begin\n");
 }
 
 void
@@ -289,9 +301,9 @@ annotate_value_history_begin (int histindex, struct type *type)
 {
   if (annotation_level == 2)
     {
-      printf_filtered (("\n\032\032value-history-begin %d "), histindex);
+      printf_unfiltered (("\n\032\032value-history-begin %d "), histindex);
       print_value_flags (type);
-      printf_filtered (("\n"));
+      printf_unfiltered (("\n"));
     }
 }
 
@@ -300,9 +312,9 @@ annotate_value_begin (struct type *type)
 {
   if (annotation_level == 2)
     {
-      printf_filtered (("\n\032\032value-begin "));
+      printf_unfiltered (("\n\032\032value-begin "));
       print_value_flags (type);
-      printf_filtered (("\n"));
+      printf_unfiltered (("\n"));
     }
 }
 
@@ -310,84 +322,84 @@ void
 annotate_value_history_value (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032value-history-value\n"));
+    printf_unfiltered (("\n\032\032value-history-value\n"));
 }
 
 void
 annotate_value_history_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032value-history-end\n"));
+    printf_unfiltered (("\n\032\032value-history-end\n"));
 }
 
 void
 annotate_value_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032value-end\n"));
+    printf_unfiltered (("\n\032\032value-end\n"));
 }
 
 void
 annotate_display_begin (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032display-begin\n"));
+    printf_unfiltered (("\n\032\032display-begin\n"));
 }
 
 void
 annotate_display_number_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032display-number-end\n"));
+    printf_unfiltered (("\n\032\032display-number-end\n"));
 }
 
 void
 annotate_display_format (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032display-format\n"));
+    printf_unfiltered (("\n\032\032display-format\n"));
 }
 
 void
 annotate_display_expression (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032display-expression\n"));
+    printf_unfiltered (("\n\032\032display-expression\n"));
 }
 
 void
 annotate_display_expression_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032display-expression-end\n"));
+    printf_unfiltered (("\n\032\032display-expression-end\n"));
 }
 
 void
 annotate_display_value (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032display-value\n"));
+    printf_unfiltered (("\n\032\032display-value\n"));
 }
 
 void
 annotate_display_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032display-end\n"));
+    printf_unfiltered (("\n\032\032display-end\n"));
 }
 
 void
 annotate_arg_begin (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032arg-begin\n"));
+    printf_unfiltered (("\n\032\032arg-begin\n"));
 }
 
 void
 annotate_arg_name_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032arg-name-end\n"));
+    printf_unfiltered (("\n\032\032arg-name-end\n"));
 }
 
 void
@@ -395,9 +407,9 @@ annotate_arg_value (struct type *type)
 {
   if (annotation_level == 2)
     {
-      printf_filtered (("\n\032\032arg-value "));
+      printf_unfiltered (("\n\032\032arg-value "));
       print_value_flags (type);
-      printf_filtered (("\n"));
+      printf_unfiltered (("\n"));
     }
 }
 
@@ -405,119 +417,151 @@ void
 annotate_arg_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032arg-end\n"));
+    printf_unfiltered (("\n\032\032arg-end\n"));
 }
 
-void
-annotate_source (char *filename, int line, int character, int mid,
+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 "));
+    printf_unfiltered (("\n\032\032source "));
   else
-    printf_filtered (("\032\032"));
+    printf_unfiltered (("\032\032"));
+
+  printf_unfiltered (("%s:%d:%d:%s:%s\n"), filename, line, character,
+		     mid ? "middle" : "beg", paddress (gdbarch, pc));
+}
+
+/* See annotate.h.  */
+
+bool
+annotate_source_line (struct symtab *s, int line, int mid_statement,
+		      CORE_ADDR pc)
+{
+  if (annotation_level > 0)
+    {
+      const std::vector<off_t> *offsets;
+      if (!g_source_cache.get_line_charpos (s, &offsets))
+	return false;
+      if (line > offsets->size ())
+	return false;
+
+      annotate_source (s->fullname, line, (int) (*offsets)[line - 1],
+		       mid_statement, s->compunit ()->objfile ()->arch (),
+		       pc);
+
+      /* Update the current symtab and line.  */
+      symtab_and_line sal;
+      sal.pspace = s->compunit ()->objfile ()->pspace;
+      sal.symtab = s;
+      sal.line = line;
+      set_current_source_symtab_and_line (sal);
+
+      return true;
+    }
 
-  printf_filtered (("%s:%d:%d:%s:%s\n"), filename, line, character,
-		   mid ? "middle" : "beg", paddress (gdbarch, pc));
+  return false;
 }
 
+
 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));
+    printf_unfiltered (("\n\032\032frame-begin %d %s\n"),
+		       level, paddress (gdbarch, pc));
 }
 
 void
 annotate_function_call (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032function-call\n"));
+    printf_unfiltered (("\n\032\032function-call\n"));
 }
 
 void
 annotate_signal_handler_caller (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032signal-handler-caller\n"));
+    printf_unfiltered (("\n\032\032signal-handler-caller\n"));
 }
 
 void
 annotate_frame_address (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032frame-address\n"));
+    printf_unfiltered (("\n\032\032frame-address\n"));
 }
 
 void
 annotate_frame_address_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032frame-address-end\n"));
+    printf_unfiltered (("\n\032\032frame-address-end\n"));
 }
 
 void
 annotate_frame_function_name (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032frame-function-name\n"));
+    printf_unfiltered (("\n\032\032frame-function-name\n"));
 }
 
 void
 annotate_frame_args (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032frame-args\n"));
+    printf_unfiltered (("\n\032\032frame-args\n"));
 }
 
 void
 annotate_frame_source_begin (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032frame-source-begin\n"));
+    printf_unfiltered (("\n\032\032frame-source-begin\n"));
 }
 
 void
 annotate_frame_source_file (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032frame-source-file\n"));
+    printf_unfiltered (("\n\032\032frame-source-file\n"));
 }
 
 void
 annotate_frame_source_file_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032frame-source-file-end\n"));
+    printf_unfiltered (("\n\032\032frame-source-file-end\n"));
 }
 
 void
 annotate_frame_source_line (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032frame-source-line\n"));
+    printf_unfiltered (("\n\032\032frame-source-line\n"));
 }
 
 void
 annotate_frame_source_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032frame-source-end\n"));
+    printf_unfiltered (("\n\032\032frame-source-end\n"));
 }
 
 void
 annotate_frame_where (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032frame-where\n"));
+    printf_unfiltered (("\n\032\032frame-where\n"));
 }
 
 void
 annotate_frame_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032frame-end\n"));
+    printf_unfiltered (("\n\032\032frame-end\n"));
 }
 
 void
@@ -525,9 +569,9 @@ annotate_array_section_begin (int idx, struct type *elttype)
 {
   if (annotation_level == 2)
     {
-      printf_filtered (("\n\032\032array-section-begin %d "), idx);
+      printf_unfiltered (("\n\032\032array-section-begin %d "), idx);
       print_value_flags (elttype);
-      printf_filtered (("\n"));
+      printf_unfiltered (("\n"));
     }
 }
 
@@ -535,42 +579,56 @@ void
 annotate_elt_rep (unsigned int repcount)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032elt-rep %u\n"), repcount);
+    printf_unfiltered (("\n\032\032elt-rep %u\n"), repcount);
 }
 
 void
 annotate_elt_rep_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032elt-rep-end\n"));
+    printf_unfiltered (("\n\032\032elt-rep-end\n"));
 }
 
 void
 annotate_elt (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032elt\n"));
+    printf_unfiltered (("\n\032\032elt\n"));
 }
 
 void
 annotate_array_section_end (void)
 {
   if (annotation_level == 2)
-    printf_filtered (("\n\032\032array-section-end\n"));
+    printf_unfiltered (("\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
-_initialize_annotate (void)
+_initialize_annotate ()
 {
-  if (annotation_level == 2)
-    {
-      observer_attach_breakpoint_deleted (breakpoint_changed);
-      observer_attach_breakpoint_modified (breakpoint_changed);
-    }
+  gdb::observers::breakpoint_created.attach (breakpoint_changed, "annotate");
+  gdb::observers::breakpoint_deleted.attach (breakpoint_changed, "annotate");
+  gdb::observers::breakpoint_modified.attach (breakpoint_changed, "annotate");
+  gdb::observers::thread_exit.attach (annotate_thread_exited, "annotate");
 }