gcc/ada/s-mastop.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                     SYSTEM.MACHINE_STATE_OPERATIONS                      --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                             (Dummy version)                              --
   9 --                                                                          --
  10 --                            $Revision: 1.4 $
  11 --                                                                          --
  12 --            Copyright (C) 1999-2001 Ada Core Technologies, Inc.           --
  13 --                                                                          --
  14 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  15 -- terms of the  GNU General Public License as published  by the Free Soft- --
  16 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  17 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  18 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  19 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  20 -- for  more details.  You should have  received  a copy of the GNU General --
  21 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  22 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  23 -- MA 02111-1307, USA.                                                      --
  24 --                                                                          --
  25 -- As a special exception,  if other files  instantiate  generics from this --
  26 -- unit, or you link  this unit with other files  to produce an executable, --
  27 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  28 -- covered  by the  GNU  General  Public  License.  This exception does not --
  29 -- however invalidate  any other reasons why  the executable file  might be --
  30 -- covered by the  GNU Public License.                                      --
  31 --                                                                          --
  32 -- GNAT was originally developed  by the GNAT team at  New York University. --
  33 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
  34 --                                                                          --
  35 ------------------------------------------------------------------------------
  36
  37 --  This dummy version of System.Machine_State_Operations is used
  38 --  on targets for which zero cost exception handling is not implemented.
  39
  40 package body System.Machine_State_Operations is
  41
  42    use System.Exceptions;
  43
  44    ----------------------------
  45    -- Allocate_Machine_State --
  46    ----------------------------
  47
  48    function Allocate_Machine_State return Machine_State is
  49    begin
  50       return Machine_State (Null_Address);
  51    end Allocate_Machine_State;
  52
  53    -------------------
  54    -- Enter_Handler --
  55    -------------------
  56
  57    procedure Enter_Handler (M : Machine_State; Handler : Handler_Loc) is
  58    begin
  59       null;
  60    end Enter_Handler;
  61
  62    ----------------
  63    -- Fetch_Code --
  64    ----------------
  65
  66    function Fetch_Code (Loc : Code_Loc) return Code_Loc is
  67    begin
  68       return Loc;
  69    end Fetch_Code;
  70
  71    ------------------------
  72    -- Free_Machine_State --
  73    ------------------------
  74
  75    procedure Free_Machine_State (M : in out Machine_State) is
  76    begin
  77       M := Machine_State (Null_Address);
  78    end Free_Machine_State;
  79
  80    ------------------
  81    -- Get_Code_Loc --
  82    ------------------
  83
  84    function Get_Code_Loc (M : Machine_State) return Code_Loc is
  85    begin
  86       return Null_Address;
  87    end Get_Code_Loc;
  88
  89    --------------------------
  90    -- Machine_State_Length --
  91    --------------------------
  92
  93    function Machine_State_Length
  94      return System.Storage_Elements.Storage_Offset is
  95    begin
  96       return 0;
  97    end Machine_State_Length;
  98
  99    ---------------
 100    -- Pop_Frame --
 101    ---------------
 102
 103    procedure Pop_Frame
 104      (M    : Machine_State;
 105       Info : Subprogram_Info_Type) is
 106    begin
 107       null;
 108    end Pop_Frame;
 109
 110    -----------------------
 111    -- Set_Machine_State --
 112    -----------------------
 113
 114    procedure Set_Machine_State (M : Machine_State) is
 115    begin
 116       null;
 117    end Set_Machine_State;
 118
 119    ------------------------------
 120    -- Set_Signal_Machine_State --
 121    ------------------------------
 122
 123    procedure Set_Signal_Machine_State
 124      (M       : Machine_State;
 125       Context : System.Address) is
 126    begin
 127       null;
 128    end Set_Signal_Machine_State;
 129
 130 end System.Machine_State_Operations;