diff options
Diffstat (limited to 'gcc-4.2.1/gcc/ada/s-tasdeb.adb')
-rw-r--r-- | gcc-4.2.1/gcc/ada/s-tasdeb.adb | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/gcc-4.2.1/gcc/ada/s-tasdeb.adb b/gcc-4.2.1/gcc/ada/s-tasdeb.adb deleted file mode 100644 index 994ffd221..000000000 --- a/gcc-4.2.1/gcc/ada/s-tasdeb.adb +++ /dev/null @@ -1,308 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- S Y S T E M . T A S K I N G . D E B U G -- --- -- --- B o d y -- --- -- --- Copyright (C) 1997-2005 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, 51 Franklin Street, Fifth Floor, -- --- Boston, MA 02110-1301, 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. - --- Note : This file *must* be compiled with debugging information - --- Do not add any dependency to GNARL packages since this package is used --- in both normal and restricted (ravenscar) environments. - -with System.CRTL; -with System.Task_Primitives.Operations; -with Unchecked_Conversion; - -package body System.Tasking.Debug is - - package STPO renames System.Task_Primitives.Operations; - - function To_Integer is new - Unchecked_Conversion (Task_Id, System.Address); - - type Trace_Flag_Set is array (Character) of Boolean; - - Trace_On : Trace_Flag_Set := ('A' .. 'Z' => False, others => True); - - ----------------------- - -- Local Subprograms -- - ----------------------- - - procedure Write (Fd : Integer; S : String; Count : Integer); - - procedure Put (S : String); - -- Display S on standard output. - - procedure Put_Line (S : String := ""); - -- Display S on standard output with an additional line terminator. - - -------------------- - -- Get_User_State -- - -------------------- - - function Get_User_State return Long_Integer is - begin - return STPO.Self.User_State; - end Get_User_State; - - ---------------- - -- List_Tasks -- - ---------------- - - procedure List_Tasks is - C : Task_Id; - begin - C := All_Tasks_List; - - while C /= null loop - Print_Task_Info (C); - C := C.Common.All_Tasks_Link; - end loop; - end List_Tasks; - - ------------------------ - -- Print_Current_Task -- - ------------------------ - - procedure Print_Current_Task is - begin - Print_Task_Info (STPO.Self); - end Print_Current_Task; - - --------------------- - -- Print_Task_Info -- - --------------------- - - procedure Print_Task_Info (T : Task_Id) is - Entry_Call : Entry_Call_Link; - Parent : Task_Id; - - begin - if T = null then - Put_Line ("null task"); - return; - end if; - - Put (T.Common.Task_Image (1 .. T.Common.Task_Image_Len) & ": " & - Task_States'Image (T.Common.State)); - - Parent := T.Common.Parent; - - if Parent = null then - Put (", parent: <none>"); - else - Put (", parent: " & - Parent.Common.Task_Image (1 .. Parent.Common.Task_Image_Len)); - end if; - - Put (", prio:" & T.Common.Current_Priority'Img); - - if not T.Callable then - Put (", not callable"); - end if; - - if T.Aborting then - Put (", aborting"); - end if; - - if T.Deferral_Level /= 0 then - Put (", abort deferred"); - end if; - - if T.Common.Call /= null then - Entry_Call := T.Common.Call; - Put (", serving:"); - - while Entry_Call /= null loop - Put (To_Integer (Entry_Call.Self)'Img); - Entry_Call := Entry_Call.Acceptor_Prev_Call; - end loop; - end if; - - if T.Open_Accepts /= null then - Put (", accepting:"); - - for J in T.Open_Accepts'Range loop - Put (T.Open_Accepts (J).S'Img); - end loop; - - if T.Terminate_Alternative then - Put (" or terminate"); - end if; - end if; - - if T.User_State /= 0 then - Put (", state:" & T.User_State'Img); - end if; - - Put_Line; - end Print_Task_Info; - - --------- - -- Put -- - --------- - - procedure Put (S : String) is - begin - Write (2, S, S'Length); - end Put; - - -------------- - -- Put_Line -- - -------------- - - procedure Put_Line (S : String := "") is - begin - Write (2, S & ASCII.LF, S'Length + 1); - end Put_Line; - - ---------------------- - -- Resume_All_Tasks -- - ---------------------- - - procedure Resume_All_Tasks (Thread_Self : OS_Interface.Thread_Id) is - C : Task_Id; - Dummy : Boolean; - pragma Unreferenced (Dummy); - - begin - STPO.Lock_RTS; - C := All_Tasks_List; - - while C /= null loop - Dummy := STPO.Resume_Task (C, Thread_Self); - C := C.Common.All_Tasks_Link; - end loop; - - STPO.Unlock_RTS; - end Resume_All_Tasks; - - --------------- - -- Set_Trace -- - --------------- - - procedure Set_Trace (Flag : Character; Value : Boolean := True) is - begin - Trace_On (Flag) := Value; - end Set_Trace; - - -------------------- - -- Set_User_State -- - -------------------- - - procedure Set_User_State (Value : Long_Integer) is - begin - STPO.Self.User_State := Value; - end Set_User_State; - - ----------------------- - -- Suspend_All_Tasks -- - ----------------------- - - procedure Suspend_All_Tasks (Thread_Self : OS_Interface.Thread_Id) is - C : Task_Id; - Dummy : Boolean; - pragma Unreferenced (Dummy); - - begin - STPO.Lock_RTS; - C := All_Tasks_List; - - while C /= null loop - Dummy := STPO.Suspend_Task (C, Thread_Self); - C := C.Common.All_Tasks_Link; - end loop; - - STPO.Unlock_RTS; - end Suspend_All_Tasks; - - ------------------------ - -- Task_Creation_Hook -- - ------------------------ - - procedure Task_Creation_Hook (Thread : OS_Interface.Thread_Id) is - pragma Inspection_Point (Thread); - -- gdb needs to access the thread parameter in order to implement - -- the multitask mode under VxWorks. - - begin - null; - end Task_Creation_Hook; - - --------------------------- - -- Task_Termination_Hook -- - --------------------------- - - procedure Task_Termination_Hook is - begin - null; - end Task_Termination_Hook; - - ----------- - -- Trace -- - ----------- - - procedure Trace - (Self_Id : Task_Id; - Msg : String; - Flag : Character; - Other_Id : Task_Id := null) - is - begin - if Trace_On (Flag) then - Put (To_Integer (Self_Id)'Img & - ':' & Flag & ':' & - Self_Id.Common.Task_Image (1 .. Self_Id.Common.Task_Image_Len) & - ':'); - - if Other_Id /= null then - Put (To_Integer (Other_Id)'Img & ':'); - end if; - - Put_Line (Msg); - end if; - end Trace; - - ----------- - -- Write -- - ----------- - - procedure Write (Fd : Integer; S : String; Count : Integer) is - Discard : Integer; - pragma Unreferenced (Discard); - begin - Discard := System.CRTL.write (Fd, S (S'First)'Address, Count); - -- Is it really right to ignore write errors here ??? - end Write; - -end System.Tasking.Debug; |