166 lines
7.1 KiB
Ada
166 lines
7.1 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- S Y S T E M . T A S K I N G . D E B U G --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1997-2014, Free Software Foundation, Inc. --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNARL was developed by the GNARL team at Florida State University. --
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-- Extensive contributions were provided by Ada Core Technologies, Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This package encapsulates all direct interfaces to task debugging services
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-- that are needed by gdb with gnat mode.
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with System.Tasking;
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with System.OS_Interface;
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package System.Tasking.Debug is
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pragma Preelaborate;
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------------------------------------------
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-- Application-level debugging routines --
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------------------------------------------
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procedure List_Tasks;
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-- Print a list of all the known Ada tasks with abbreviated state
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-- information, one-per-line, to the standard error file.
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procedure Print_Current_Task;
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-- Write information about current task, in hexadecimal, as one line, to
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-- the standard error file.
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procedure Print_Task_Info (T : Task_Id);
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-- Similar to Print_Current_Task, for a given task
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procedure Set_User_State (Value : Long_Integer);
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-- Set user state value in the current task. This state will be displayed
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-- when calling List_Tasks or Print_Current_Task. It is useful for setting
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-- task specific state.
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function Get_User_State return Long_Integer;
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-- Return the user state for the current task
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-------------------------
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-- General GDB support --
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-------------------------
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Known_Tasks : array (0 .. 999) of Task_Id := (others => null);
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-- Global array of tasks read by gdb, and updated by Create_Task and
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-- Finalize_TCB
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Debug_Event_Activating : constant := 1;
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Debug_Event_Run : constant := 2;
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Debug_Event_Suspended : constant := 3;
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Debug_Event_Preempted : constant := 4;
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Debug_Event_Terminated : constant := 5;
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Debug_Event_Abort_Terminated : constant := 6;
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Debug_Event_Exception_Terminated : constant := 7;
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Debug_Event_Rendezvous_Exception : constant := 8;
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Debug_Event_Handled : constant := 9;
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Debug_Event_Dependents_Exception : constant := 10;
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Debug_Event_Handled_Others : constant := 11;
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subtype Event_Kind_Type is Positive range 1 .. 11;
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-- Event kinds currently defined for debugging, used globally
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-- below and on a per task basis.
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procedure Signal_Debug_Event
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(Event_Kind : Event_Kind_Type;
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Task_Value : Task_Id);
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----------------------------------
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-- VxWorks specific GDB support --
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----------------------------------
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-- Although the following routines are implemented in a target independent
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-- manner, only VxWorks currently uses them.
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procedure Task_Creation_Hook (Thread : OS_Interface.Thread_Id);
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-- This procedure is used to notify GDB of task's creation. It must be
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-- called by the task's creator.
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procedure Task_Termination_Hook;
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-- This procedure is used to notify GDB of task's termination
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procedure Suspend_All_Tasks (Thread_Self : OS_Interface.Thread_Id);
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-- Suspend all the tasks except the one whose associated thread is
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-- Thread_Self by traversing All_Tasks_List and calling
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-- System.Task_Primitives.Operations.Suspend_Task.
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procedure Resume_All_Tasks (Thread_Self : OS_Interface.Thread_Id);
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-- Resume all the tasks except the one whose associated thread is
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-- Thread_Self by traversing All_Tasks_List and calling
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-- System.Task_Primitives.Operations.Continue_Task.
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procedure Stop_All_Tasks_Handler;
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-- Stop all the tasks by traversing All_Tasks_List and calling
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-- System.Task_Primitives.Operations.Stop_All_Task. This function
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-- can be used in an interrupt handler.
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procedure Stop_All_Tasks;
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-- Stop all the tasks by traversing All_Tasks_List and calling
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-- System.Task_Primitives.Operations.Stop_Task.
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procedure Continue_All_Tasks;
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-- Continue all the tasks by traversing All_Tasks_List and calling
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-- System.Task_Primitives.Operations.Continue_Task.
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-------------------------------
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-- Run-time tracing routines --
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-------------------------------
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procedure Trace
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(Self_Id : Task_Id;
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Msg : String;
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Flag : Character;
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Other_Id : Task_Id := null);
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-- If traces for Flag are enabled, display on Standard_Error a given
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-- message for the current task. Other_Id is an optional second task id
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-- to display.
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procedure Set_Trace
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(Flag : Character;
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Value : Boolean := True);
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-- Enable or disable tracing for Flag. By default, flags in the range
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-- 'A' .. 'Z' are disabled, others are enabled.
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---------------------------------
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-- Hooks for Valgrind/Helgrind --
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---------------------------------
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procedure Master_Hook
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(Dependent : Task_Id;
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Parent : Task_Id;
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Master_Level : Integer);
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-- Indicate to Valgrind/Helgrind that the master of Dependent is
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-- Parent + Master_Level.
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procedure Master_Completed_Hook
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(Self_ID : Task_Id;
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Master_Level : Integer);
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-- Indicate to Valgrind/Helgrind that Self_ID has completed the master
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-- Master_Level.
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end System.Tasking.Debug;
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