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 --          Copyright (C) 1999-2001 Free Software Foundation, Inc.          --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  20 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  21 -- MA 02111-1307, USA.                                                      --
  22 --                                                                          --
  23 -- As a special exception,  if other files  instantiate  generics from this --
  24 -- unit, or you link  this unit with other files  to produce an executable, --
  25 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  26 -- covered  by the  GNU  General  Public  License.  This exception does not --
  27 -- however invalidate  any other reasons why  the executable file  might be --
  28 -- covered by the  GNU Public License.                                      --
  29 --                                                                          --
  30 -- GNAT was originally developed  by the GNAT team at  New York University. --
  31 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  32 --                                                                          --
  33 ------------------------------------------------------------------------------
  34
  35 --  This dummy version of System.Machine_State_Operations is used
  36 --  on targets for which zero cost exception handling is not implemented.
  37
  38 package body System.Machine_State_Operations is
  39
  40    --  Turn off warnings since many unused parameters
  41
  42    pragma Warnings (Off);
  43
  44    use System.Exceptions;
  45
  46    ----------------------------
  47    -- Allocate_Machine_State --
  48    ----------------------------
  49
  50    function Allocate_Machine_State return Machine_State is
  51    begin
  52       return Machine_State (Null_Address);
  53    end Allocate_Machine_State;
  54
  55    -------------------
  56    -- Enter_Handler --
  57    -------------------
  58
  59    procedure Enter_Handler (M : Machine_State; Handler : Handler_Loc) is
  60    begin
  61       null;
  62    end Enter_Handler;
  63
  64    ----------------
  65    -- Fetch_Code --
  66    ----------------
  67
  68    function Fetch_Code (Loc : Code_Loc) return Code_Loc is
  69    begin
  70       return Loc;
  71    end Fetch_Code;
  72
  73    ------------------------
  74    -- Free_Machine_State --
  75    ------------------------
  76
  77    procedure Free_Machine_State (M : in out Machine_State) is
  78    begin
  79       M := Machine_State (Null_Address);
  80    end Free_Machine_State;
  81
  82    ------------------
  83    -- Get_Code_Loc --
  84    ------------------
  85
  86    function Get_Code_Loc (M : Machine_State) return Code_Loc is
  87    begin
  88       return Null_Address;
  89    end Get_Code_Loc;
  90
  91    --------------------------
  92    -- Machine_State_Length --
  93    --------------------------
  94
  95    function Machine_State_Length
  96      return System.Storage_Elements.Storage_Offset is
  97    begin
  98       return 0;
  99    end Machine_State_Length;
 100
 101    ---------------
 102    -- Pop_Frame --
 103    ---------------
 104
 105    procedure Pop_Frame
 106      (M    : Machine_State;
 107       Info : Subprogram_Info_Type) is
 108    begin
 109       null;
 110    end Pop_Frame;
 111
 112    -----------------------
 113    -- Set_Machine_State --
 114    -----------------------
 115
 116    procedure Set_Machine_State (M : Machine_State) is
 117    begin
 118       null;
 119    end Set_Machine_State;
 120
 121    ------------------------------
 122    -- Set_Signal_Machine_State --
 123    ------------------------------
 124
 125    procedure Set_Signal_Machine_State
 126      (M       : Machine_State;
 127       Context : System.Address)
 128    is
 129    begin
 130       null;
 131    end Set_Signal_Machine_State;
 132
 133 end System.Machine_State_Operations;