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