X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fada%2Fs-tasdeb.adb;fp=gcc%2Fada%2Fs-tasdeb.adb;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=fa1329d1127ec75122cf82ad2d289f530973b303;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/ada/s-tasdeb.adb b/gcc/ada/s-tasdeb.adb deleted file mode 100644 index fa1329d1..00000000 --- a/gcc/ada/s-tasdeb.adb +++ /dev/null @@ -1,709 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- 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 -- --- -- --- B o d y -- --- -- --- $Revision: 1.3.10.1 $ --- -- --- Copyright (C) 1997-2001 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 (1.13 and higher) - --- 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 resticted (ravenscar) environments. - -with System.Task_Info, - System.Task_Primitives.Operations, - Unchecked_Conversion; - -package body System.Tasking.Debug is - - use Interfaces.C; - - package STPO renames System.Task_Primitives.Operations; - - type Integer_Address is mod 2 ** Standard'Address_Size; - type Integer_Address_Ptr is access all Integer_Address; - - function "+" is new - Unchecked_Conversion (System.Address, Integer_Address_Ptr); - - function "+" is new - Unchecked_Conversion (Task_ID, Integer_Address); - - Hex_Address_Width : constant := (Standard'Address_Size / 4); - - Zero_Pos : constant := Character'Pos ('0'); - - Hex_Digits : constant array (0 .. Integer_Address'(15)) of Character := - "0123456789abcdef"; - - subtype Buf_Range is Integer range 1 .. 80; - type Buf_Array is array (Buf_Range) of aliased Character; - - type Buffer is record - Next : Buf_Range := Buf_Range'First; - Chars : Buf_Array := (Buf_Range => ' '); - end record; - - type Buffer_Ptr is access all Buffer; - - type Trace_Flag_Set is array (Character) of Boolean; - - Trace_On : Trace_Flag_Set := ('A' .. 'Z' => False, others => True); - - ----------------------- - -- Local Subprograms -- - ----------------------- - - procedure Put - (T : ST.Task_ID; - Width : Integer; - Buffer : Buffer_Ptr); - -- Put TCB pointer T, (coded in hexadecimal) into Buffer - -- right-justified in Width characters. - - procedure Put - (N : Integer_Address; - Width : Integer; - Buffer : Buffer_Ptr); - -- Put N (coded in decimal) into Buf right-justified in Width - -- characters starting at Buf (Next). - - procedure Put - (S : String; - Width : Integer; - Buffer : Buffer_Ptr); - -- Put string S into Buf left-justified in Width characters - -- starting with space in Buf (Next), truncated as necessary. - - procedure Put - (C : Character; - Buffer : Buffer_Ptr); - -- Put character C into Buf, left-justified, starting at Buf (Next) - - procedure Space (Buffer : Buffer_Ptr); - -- Increment Next, resulting in a space - - procedure Space - (N : Integer; - Buffer : Buffer_Ptr); - -- Increment Next by N, resulting in N spaces - - procedure Clear (Buffer : Buffer_Ptr); - -- Clear Buf and reset Next to 1 - - procedure Write_Buf (Buffer : Buffer_Ptr); - -- Write contents of Buf (1 .. Next) to standard output - - ----------- - -- Clear -- - ----------- - - procedure Clear (Buffer : Buffer_Ptr) is - Next : Buf_Range renames Buffer.Next; - Buf : Buf_Array renames Buffer.Chars; - - begin - Buf := (Buf_Range => ' '); - Next := 1; - end Clear; - - ----------- - -- Image -- - ----------- - - function Image (T : ST.Task_ID) return String is - Buf : aliased Buffer; - Result : String (1 .. Hex_Address_Width + 21); - - use type System.Task_Info.Task_Image_Type; - - begin - Clear (Buf'Unchecked_Access); - Put (T, Hex_Address_Width, Buf'Unchecked_Access); - Put (':', Buf'Unchecked_Access); - Put (Integer_Address (T.Serial_Number), 4, Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - - if T.Common.Task_Image = null then - Put ("", 15, Buf'Unchecked_Access); - else - Put (T.Common.Task_Image.all, 15, Buf'Unchecked_Access); - end if; - - for J in Result'Range loop - Result (J) := Buf.Chars (J); - end loop; - - return Result; - end Image; - - ---------------- - -- List_Tasks -- - ---------------- - - procedure List_Tasks is - C : ST.Task_ID; - - begin - Print_Task_Info_Header; - C := All_Tasks_List; - - while C /= null loop - Print_Task_Info (C); - C := C.Common.All_Tasks_Link; - end loop; - end List_Tasks; - - ----------------------- - -- Print_Accept_Info -- - ----------------------- - - procedure Print_Accept_Info (T : ST.Task_ID) is - Buf : aliased Buffer; - - begin - if T.Open_Accepts = null then - return; - end if; - - Clear (Buf'Unchecked_Access); - Space (10, Buf'Unchecked_Access); - Put ("accepting:", 11, Buf'Unchecked_Access); - - for J in T.Open_Accepts.all'Range loop - Put (Integer_Address (T.Open_Accepts (J).S), 3, Buf'Unchecked_Access); - end loop; - - Write_Buf (Buf'Unchecked_Access); - end Print_Accept_Info; - - ------------------------ - -- 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 : ST.Task_ID) is - Entry_Call : Entry_Call_Link; - Buf : aliased Buffer; - - use type System.Task_Info.Task_Image_Type; - - begin - Clear (Buf'Unchecked_Access); - Put (T, Hex_Address_Width, Buf'Unchecked_Access); - Put (':', Buf'Unchecked_Access); - Put (' ', Buf'Unchecked_Access); - Put (':', Buf'Unchecked_Access); - - if T = null then - Put (" null task", 10, Buf'Unchecked_Access); - Write_Buf (Buf'Unchecked_Access); - return; - end if; - - Put (Integer_Address (T.Serial_Number), 4, Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - - if T.Common.Task_Image = null then - Put ("", 15, Buf'Unchecked_Access); - else - Put (T.Common.Task_Image.all, 15, Buf'Unchecked_Access); - end if; - - Space (Buf'Unchecked_Access); - Put (Task_States'Image (T.Common.State), 10, Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - - if T.Callable then - Put ('C', Buf'Unchecked_Access); - else - Space (Buf'Unchecked_Access); - end if; - - if T.Open_Accepts /= null then - Put ('A', Buf'Unchecked_Access); - else - Space (Buf'Unchecked_Access); - end if; - - if T.Common.Call /= null then - Put ('C', Buf'Unchecked_Access); - else - Space (Buf'Unchecked_Access); - end if; - - if T.Terminate_Alternative then - Put ('T', Buf'Unchecked_Access); - else - Space (Buf'Unchecked_Access); - end if; - - if T.Aborting then - Put ('A', Buf'Unchecked_Access); - else - Space (Buf'Unchecked_Access); - end if; - - if T.Deferral_Level = 0 then - Space (3, Buf'Unchecked_Access); - else - Put ('D', Buf'Unchecked_Access); - if T.Deferral_Level < 0 then - Put ("<0", 2, Buf'Unchecked_Access); - elsif T.Deferral_Level > 1 then - Put (Integer_Address (T.Deferral_Level), 2, Buf'Unchecked_Access); - else - Space (2, Buf'Unchecked_Access); - end if; - end if; - - Space (Buf'Unchecked_Access); - Put (Integer_Address (T.Master_of_Task), 1, Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - Put (Integer_Address (T.Master_Within), 1, Buf'Unchecked_Access); - Put (',', Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - Put (Integer_Address (T.Awake_Count), 1, Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - Put (Integer_Address (T.Alive_Count), 1, Buf'Unchecked_Access); - Put (',', Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - Put (Integer_Address (T.ATC_Nesting_Level), 1, Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - Put (Integer_Address (T.Pending_ATC_Level), 1, Buf'Unchecked_Access); - Put (',', Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - Put (Integer_Address (T.Common.Wait_Count), 1, Buf'Unchecked_Access); - Put (',', Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - Put (Integer_Address (T.User_State), 1, Buf'Unchecked_Access); - Write_Buf (Buf'Unchecked_Access); - - if T.Common.Call /= null then - Entry_Call := T.Common.Call; - Clear (Buf'Unchecked_Access); - Space (10, Buf'Unchecked_Access); - Put ("serving:", 8, Buf'Unchecked_Access); - - while Entry_Call /= null loop - Put (Integer_Address - (Entry_Call.Self.Serial_Number), 5, Buf'Unchecked_Access); - Entry_Call := Entry_Call.Acceptor_Prev_Call; - end loop; - - Write_Buf (Buf'Unchecked_Access); - end if; - - Print_Accept_Info (T); - end Print_Task_Info; - - ---------------------------- - -- Print_Task_Info_Header -- - ---------------------------- - - procedure Print_Task_Info_Header is - Buf : aliased Buffer; - - begin - Clear (Buf'Unchecked_Access); - Put ("TASK_ID", Hex_Address_Width, Buf'Unchecked_Access); - Put (':', Buf'Unchecked_Access); - Put ('F', Buf'Unchecked_Access); - Put (':', Buf'Unchecked_Access); - Put ("SERIAL_NUMBER", 4, Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - Put (" NAME", 15, Buf'Unchecked_Access); - Put (" STATE", 10, Buf'Unchecked_Access); - Space (11, Buf'Unchecked_Access); - Put ("MAST", 5, Buf'Unchecked_Access); - Put ("AWAK", 5, Buf'Unchecked_Access); - Put ("ATC", 5, Buf'Unchecked_Access); - Put ("WT", 3, Buf'Unchecked_Access); - Put ("DBG", 3, Buf'Unchecked_Access); - Write_Buf (Buf'Unchecked_Access); - end Print_Task_Info_Header; - - --------- - -- Put -- - --------- - - procedure Put - (T : ST.Task_ID; - Width : Integer; - Buffer : Buffer_Ptr) - is - J : Integer; - X : Integer_Address := +T; - Next : Buf_Range renames Buffer.Next; - Buf : Buf_Array renames Buffer.Chars; - First : constant Integer := Next; - Wdth : Integer := Width; - - begin - if Wdth > Buf'Last - Next then - Wdth := Buf'Last - Next; - end if; - - J := Next + (Wdth - 1); - - if X = 0 then - Buf (J) := '0'; - - else - while X > 0 loop - Buf (J) := Hex_Digits (X rem 16); - J := J - 1; - X := X / 16; - - -- Check for overflow - - if J < First and then X > 0 then - Buf (J + 1) := '*'; - exit; - end if; - - end loop; - end if; - - Next := Next + Wdth; - end Put; - - procedure Put - (N : Integer_Address; - Width : Integer; - Buffer : Buffer_Ptr) - is - J : Integer; - X : Integer_Address := N; - Next : Buf_Range renames Buffer.Next; - Buf : Buf_Array renames Buffer.Chars; - First : constant Integer := Next; - Wdth : Integer := Width; - - begin - if Wdth > Buf'Last - Next then - Wdth := Buf'Last - Next; - end if; - - J := Next + (Wdth - 1); - - if N = 0 then - Buf (J) := '0'; - - else - while X > 0 loop - Buf (J) := Hex_Digits (X rem 10); - J := J - 1; - X := X / 10; - - -- Check for overflow - - if J < First and then X > 0 then - Buf (J + 1) := '*'; - exit; - end if; - end loop; - end if; - - Next := Next + Wdth; - end Put; - - procedure Put - (S : String; - Width : Integer; - Buffer : Buffer_Ptr) - is - Next : Buf_Range renames Buffer.Next; - Buf : Buf_Array renames Buffer.Chars; - Bound : constant Integer := Integer'Min (Next + Width, Buf'Last); - J : Integer := Next; - - begin - for K in S'Range loop - - -- Check overflow - - if J >= Bound then - Buf (J - 1) := '*'; - exit; - end if; - - Buf (J) := S (K); - J := J + 1; - end loop; - - Next := Bound; - end Put; - - procedure Put - (C : Character; - Buffer : Buffer_Ptr) - is - Next : Buf_Range renames Buffer.Next; - Buf : Buf_Array renames Buffer.Chars; - - begin - if Next >= Buf'Last then - Buf (Next) := '*'; - else Buf (Next) := C; - Next := Next + 1; - end if; - end Put; - - ---------------------- - -- Resume_All_Tasks -- - ---------------------- - - procedure Resume_All_Tasks (Thread_Self : OS_Interface.Thread_Id) is - C : ST.Task_ID; - R : Boolean; - - begin - STPO.Lock_All_Tasks_List; - C := All_Tasks_List; - - while C /= null loop - R := STPO.Resume_Task (C, Thread_Self); - C := C.Common.All_Tasks_Link; - end loop; - - STPO.Unlock_All_Tasks_List; - end Resume_All_Tasks; - - ---------- - -- Self -- - ---------- - - function Self return Task_ID is - begin - return STPO.Self; - end Self; - - --------------- - -- 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 : Integer) is - begin - STPO.Self.User_State := Value; - end Set_User_State; - - ----------- - -- Space -- - ----------- - - procedure Space (Buffer : Buffer_Ptr) is - Next : Buf_Range renames Buffer.Next; - Buf : Buf_Array renames Buffer.Chars; - - begin - if Next >= Buf'Last then - Buf (Next) := '*'; - else - Next := Next + 1; - end if; - end Space; - - procedure Space - (N : Integer; - Buffer : Buffer_Ptr) - is - Next : Buf_Range renames Buffer.Next; - Buf : Buf_Array renames Buffer.Chars; - - begin - if Next + N > Buf'Last then - Buf (Next) := '*'; - else - Next := Next + N; - end if; - end Space; - - ----------------------- - -- Suspend_All_Tasks -- - ----------------------- - - procedure Suspend_All_Tasks (Thread_Self : OS_Interface.Thread_Id) is - C : ST.Task_ID; - R : Boolean; - - begin - STPO.Lock_All_Tasks_List; - C := All_Tasks_List; - - while C /= null loop - R := STPO.Suspend_Task (C, Thread_Self); - C := C.Common.All_Tasks_Link; - end loop; - - STPO.Unlock_All_Tasks_List; - 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 : ST.Task_ID; - Msg : String; - Other_ID : ST.Task_ID; - Flag : Character) - is - Buf : aliased Buffer; - use type System.Task_Info.Task_Image_Type; - - begin - if Trace_On (Flag) then - Clear (Buf'Unchecked_Access); - Put (Self_ID, Hex_Address_Width, Buf'Unchecked_Access); - Put (':', Buf'Unchecked_Access); - Put (Flag, Buf'Unchecked_Access); - Put (':', Buf'Unchecked_Access); - Put - (Integer_Address (Self_ID.Serial_Number), - 4, Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - - if Self_ID.Common.Task_Image = null then - Put ("", 15, Buf'Unchecked_Access); - else - Put (Self_ID.Common.Task_Image.all, 15, Buf'Unchecked_Access); - end if; - - Space (Buf'Unchecked_Access); - - if Other_ID /= null then - Put - (Integer_Address (Other_ID.Serial_Number), - 4, Buf'Unchecked_Access); - Space (Buf'Unchecked_Access); - end if; - - Put (Msg, Buf.Chars'Last - Buf.Next + 1, Buf'Unchecked_Access); - Write_Buf (Buf'Unchecked_Access); - end if; - end Trace; - - procedure Trace - (Self_ID : ST.Task_ID; - Msg : String; - Flag : Character) - is - begin - Trace (Self_ID, Msg, null, Flag); - end Trace; - - procedure Trace - (Msg : String; - Flag : Character) - is - Self_ID : constant ST.Task_ID := STPO.Self; - - begin - Trace (Self_ID, Msg, null, Flag); - end Trace; - - procedure Trace - (Msg : String; - Other_ID : ST.Task_ID; - Flag : Character) - is - Self_ID : constant ST.Task_ID := STPO.Self; - - begin - Trace (Self_ID, Msg, null, Flag); - end Trace; - - --------------- - -- Write_Buf -- - --------------- - - procedure Write_Buf (Buffer : Buffer_Ptr) is - Next : Buf_Range renames Buffer.Next; - Buf : Buf_Array renames Buffer.Chars; - - procedure put_char (C : Integer); - pragma Import (C, put_char, "put_char"); - - begin - for J in 1 .. Next - 1 loop - put_char (Character'Pos (Buf (J))); - end loop; - - put_char (Character'Pos (ASCII.LF)); - end Write_Buf; - -end System.Tasking.Debug;