Support arch-dependent fill

[binutils-gdb.git] / gdb / ravenscar-thread.c

diff --git a/gdb/ravenscar-thread.c b/gdb/ravenscar-thread.c
index 8f1be9b7641f26bfe4b881485a05d44f3bb089a7..63ecad5440a39faa1bd4a68706222529ea09608f 100644 (file)
--- a/gdb/ravenscar-thread.c
+++ b/gdb/ravenscar-thread.c
@@ -1,6 +1,6 @@
 /* Ada Ravenscar thread support.
 
-   Copyright 2004, 2009, 2010 Free Software Foundation, Inc.
+   Copyright 2004, 2009-2012 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -51,8 +51,10 @@ static ptid_t base_ptid;
 static const char running_thread_name[] = "__gnat_running_thread_table";
 
 static const char known_tasks_name[] = "system__tasking__debug__known_tasks";
+static const char first_task_name[] = "system__tasking__debug__first_task";
 
-static const char ravenscar_runtime_initializer[] = "system__bb__threads__initialize";
+static const char ravenscar_runtime_initializer[] =
+  "system__bb__threads__initialize";
 
 static struct observer *update_target_observer = NULL;
 
@@ -134,10 +136,12 @@ has_ravenscar_runtime (void)
     lookup_minimal_symbol (ravenscar_runtime_initializer, NULL, NULL);
   struct minimal_symbol *msym_known_tasks =
     lookup_minimal_symbol (known_tasks_name, NULL, NULL);
+  struct minimal_symbol *msym_first_task =
+    lookup_minimal_symbol (first_task_name, NULL, NULL);
   struct minimal_symbol *msym_running_thread = get_running_thread_msymbol ();
 
   return (msym_ravenscar_runtime_initializer
-         && msym_known_tasks
+         && (msym_known_tasks || msym_first_task)
          && msym_running_thread);
 }
 
@@ -218,7 +222,7 @@ ravenscar_add_thread (struct ada_task_info *task)
 static void
 ravenscar_find_new_threads (struct target_ops *ops)
 {
-  ada_build_task_list (0);
+  ada_build_task_list ();
 
   /* Do not clear the thread list before adding the Ada task, to keep
      the thread that the process stratum has included into it
@@ -329,7 +333,7 @@ ravenscar_register_arch_ops (struct ravenscar_arch_ops *ops)
      architectures, just like in remote-wtx-hw.c.  However, for now the
      only Ravenscar run-time for bare board that is implemented in
      GNAT is for only one architecture: erc32-elf.  So no need to care about
-     that for now...*/
+     that for now...  */
   current_arch_ops = ops;
 }
 
@@ -411,10 +415,10 @@ show_ravenscar_task_switching_command (struct ui_file *file, int from_tty,
 {
   if (ravenscar_task_support)
     fprintf_filtered (file, _("\
-Support for Ravenscar task/thread switching is enabled"));
+Support for Ravenscar task/thread switching is enabled\n"));
   else
     fprintf_filtered (file, _("\
-Support for Ravenscar task/thread switching is disabled"));
+Support for Ravenscar task/thread switching is disabled\n"));
 }
 
 /* Module startup initialization function, automagically called by
@@ -438,7 +442,7 @@ _initialize_ravenscar (void)
 
   add_prefix_cmd ("ravenscar", no_class, show_ravenscar_command,
                   _("Prefix command for showing Ravenscar-specific settings"),
-                  &show_ravenscar_list, "set ravenscar ", 0, &showlist);
+                  &show_ravenscar_list, "show ravenscar ", 0, &showlist);
 
   add_setshow_boolean_cmd ("task-switching", class_obscure,
                            &ravenscar_task_support, _("\