------------------------------------------------------------------------------ -- -- -- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS -- -- -- -- S Y S T E M . T A S K I N G . D E B U G -- -- -- -- S p e c -- -- -- -- Copyright (C) 1997-2004, Free Software Foundation, Inc. -- -- -- -- GNARL is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 2, or (at your option) any later ver- -- -- sion. GNARL is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- -- for more details. You should have received a copy of the GNU General -- -- Public License distributed with GNARL; see file COPYING. If not, write -- -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- -- MA 02111-1307, USA. -- -- -- -- As a special exception, if other files instantiate generics from this -- -- unit, or you link this unit with other files to produce an executable, -- -- this unit does not by itself cause the resulting executable to be -- -- covered by the GNU General Public License. This exception does not -- -- however invalidate any other reasons why the executable file might be -- -- covered by the GNU Public License. -- -- -- -- GNARL was developed by the GNARL team at Florida State University. -- -- Extensive contributions were provided by Ada Core Technologies, Inc. -- -- -- ------------------------------------------------------------------------------ -- This package encapsulates all direct interfaces to task debugging services -- that are needed by gdb with gnat mode. with System.Tasking; with System.OS_Interface; package System.Tasking.Debug is ------------------------------------------ -- Application-level debugging routines -- ------------------------------------------ procedure List_Tasks; -- Print a list of all the known Ada tasks with abbreviated state -- information, one-per-line, to the standard error file. procedure Print_Current_Task; -- Write information about current task, in hexadecimal, as one line, to -- the standard error file. procedure Print_Task_Info (T : Task_Id); -- Similar to Print_Current_Task, for a given task. procedure Set_User_State (Value : Long_Integer); -- Set user state value in the current task. -- This state will be displayed when calling List_Tasks or -- Print_Current_Task. It is useful for setting task specific state. function Get_User_State return Long_Integer; -- Return the user state for the current task. ------------------------- -- General GDB support -- ------------------------- Known_Tasks : array (0 .. 999) of Task_Id; -- Global array of tasks read by gdb, and updated by -- Create_Task and Finalize_TCB ---------------------------------- -- VxWorks specific GDB support -- ---------------------------------- -- Although the following routines are implemented in a target independent -- manner, only VxWorks currently uses them. procedure Task_Creation_Hook (Thread : OS_Interface.Thread_Id); -- This procedure is used to notify GDB of task's creation. -- It must be called by the task's creator. procedure Task_Termination_Hook; -- This procedure is used to notify GDB of task's termination. procedure Suspend_All_Tasks (Thread_Self : OS_Interface.Thread_Id); -- Suspend all the tasks except the one whose associated thread is -- Thread_Self by traversing All_Tasks_Lists and calling -- System.Task_Primitives.Operations.Suspend_Task. procedure Resume_All_Tasks (Thread_Self : OS_Interface.Thread_Id); -- Resume all the tasks except the one whose associated thread is -- Thread_Self by traversing All_Tasks_Lists and calling -- System.Task_Primitives.Operations.Continue_Task. ------------------------------- -- Run-time tracing routines -- ------------------------------- procedure Trace (Self_Id : Task_Id; Msg : String; Flag : Character; Other_Id : Task_Id := null); -- If traces for Flag are enabled, display on Standard_Error a given -- message for the current task. Other_Id is an optional second task id -- to display. procedure Set_Trace (Flag : Character; Value : Boolean := True); -- Enable or disable tracing for Flag. -- By default, flags in the range 'A' .. 'Z' are disabled, others are -- enabled. end System.Tasking.Debug;