2003-07-18 Andrew Cagney <cagney@redhat.com>

[deliverable/binutils-gdb.git] / gdb / gdb-events.c

diff --git a/gdb/gdb-events.c b/gdb/gdb-events.c
index 0fbb3bab798bb85324c5ccbc6cd12365ba4641cb..63ee3bc400bd271cbda60d8590f552ee388a96a1 100644 (file)
--- a/gdb/gdb-events.c
+++ b/gdb/gdb-events.c
@@ -1,5 +1,6 @@
 /* User Interface Events.
-   Copyright 1999, 2001 Free Software Foundation, Inc.
+
+   Copyright 1999, 2001, 2002 Free Software Foundation, Inc.
 
    Contributed by Cygnus Solutions.
 
@@ -38,9 +39,6 @@
 #include "gdb-events.h"
 #include "gdbcmd.h"
 
-#undef XMALLOC
-#define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
-
 #if WITH_GDB_EVENTS
 static struct gdb_events null_event_hooks;
 static struct gdb_events queue_event_hooks;
@@ -121,6 +119,36 @@ architecture_changed_event (void)
   current_event_hooks->architecture_changed ();
 }
 
+void
+target_changed_event (void)
+{
+  if (gdb_events_debug)
+    fprintf_unfiltered (gdb_stdlog, "target_changed_event\n");
+  if (!current_event_hooks->target_changed)
+    return;
+  current_event_hooks->target_changed ();
+}
+
+void
+selected_frame_level_changed_event (int level)
+{
+  if (gdb_events_debug)
+    fprintf_unfiltered (gdb_stdlog, "selected_frame_level_changed_event\n");
+  if (!current_event_hooks->selected_frame_level_changed)
+    return;
+  current_event_hooks->selected_frame_level_changed (level);
+}
+
+void
+selected_thread_changed_event (int thread_num)
+{
+  if (gdb_events_debug)
+    fprintf_unfiltered (gdb_stdlog, "selected_thread_changed_event\n");
+  if (!current_event_hooks->selected_thread_changed)
+    return;
+  current_event_hooks->selected_thread_changed (thread_num);
+}
+
 #endif
 
 #if WITH_GDB_EVENTS
@@ -136,6 +164,14 @@ set_gdb_event_hooks (struct gdb_events *vector)
 }
 #endif
 
+#if WITH_GDB_EVENTS
+void
+clear_gdb_event_hooks (void)
+{
+  set_gdb_event_hooks (&null_event_hooks);
+}
+#endif
+
 enum gdb_event
 {
   breakpoint_create,
@@ -145,6 +181,9 @@ enum gdb_event
   tracepoint_delete,
   tracepoint_modify,
   architecture_changed,
+  target_changed,
+  selected_frame_level_changed,
+  selected_thread_changed,
   nr_gdb_events
 };
 
@@ -178,6 +217,16 @@ struct tracepoint_modify
     int number;
   };
 
+struct selected_frame_level_changed
+  {
+    int level;
+  };
+
+struct selected_thread_changed
+  {
+    int thread_num;
+  };
+
 struct event
   {
     enum gdb_event type;
@@ -190,6 +239,8 @@ struct event
        struct tracepoint_create tracepoint_create;
        struct tracepoint_delete tracepoint_delete;
        struct tracepoint_modify tracepoint_modify;
+       struct selected_frame_level_changed selected_frame_level_changed;
+       struct selected_thread_changed selected_thread_changed;
       }
     data;
   };
@@ -268,6 +319,32 @@ queue_architecture_changed (void)
   append (event);
 }
 
+static void
+queue_target_changed (void)
+{
+  struct event *event = XMALLOC (struct event);
+  event->type = target_changed;
+  append (event);
+}
+
+static void
+queue_selected_frame_level_changed (int level)
+{
+  struct event *event = XMALLOC (struct event);
+  event->type = selected_frame_level_changed;
+  event->data.selected_frame_level_changed.level = level;
+  append (event);
+}
+
+static void
+queue_selected_thread_changed (int thread_num)
+{
+  struct event *event = XMALLOC (struct event);
+  event->type = selected_thread_changed;
+  event->data.selected_thread_changed.thread_num = thread_num;
+  append (event);
+}
+
 void
 gdb_events_deliver (struct gdb_events *vector)
 {
@@ -316,6 +393,17 @@ gdb_events_deliver (struct gdb_events *vector)
        case architecture_changed:
          vector->architecture_changed ();
          break;
+       case target_changed:
+         vector->target_changed ();
+         break;
+       case selected_frame_level_changed:
+         vector->selected_frame_level_changed
+           (event->data.selected_frame_level_changed.level);
+         break;
+       case selected_thread_changed:
+         vector->selected_thread_changed
+           (event->data.selected_thread_changed.thread_num);
+         break;
        }
       delivering_events = event->next;
       xfree (event);
@@ -335,6 +423,9 @@ _initialize_gdb_events (void)
   queue_event_hooks.tracepoint_delete = queue_tracepoint_delete;
   queue_event_hooks.tracepoint_modify = queue_tracepoint_modify;
   queue_event_hooks.architecture_changed = queue_architecture_changed;
+  queue_event_hooks.target_changed = queue_target_changed;
+  queue_event_hooks.selected_frame_level_changed = queue_selected_frame_level_changed;
+  queue_event_hooks.selected_thread_changed = queue_selected_thread_changed;
 #endif
 
   c = add_set_cmd ("eventdebug", class_maintenance, var_zinteger,