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) 1999-2009, 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 3,  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.                                     --
  18 --                                                                          --
  19 -- As a special exception under Section 7 of GPL version 3, you are granted --
  20 -- additional permissions described in the GCC Runtime Library Exception,   --
  21 -- version 3.1, as published by the Free Software Foundation.               --
  22 --                                                                          --
  23 -- You should have received a copy of the GNU General Public License and    --
  24 -- a copy of the GCC Runtime Library Exception along with this program;     --
  25 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  26 -- <http://www.gnu.org/licenses/>.                                          --
  27 --                                                                          --
  28 -- GNAT was originally developed  by the GNAT team at  New York University. --
  29 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  30 --                                                                          --
  31 ------------------------------------------------------------------------------
  32
  33 --  This dummy version of System.Machine_State_Operations is used
  34 --  on targets for which zero cost exception handling is not implemented.
  35
  36 pragma Compiler_Unit;
  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    ----------------------------
  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    -- Fetch_Code --
  55    ----------------
  56
  57    function Fetch_Code (Loc : Code_Loc) return Code_Loc is
  58    begin
  59       return Loc;
  60    end Fetch_Code;
  61
  62    ------------------------
  63    -- Free_Machine_State --
  64    ------------------------
  65
  66    procedure Free_Machine_State (M : in out Machine_State) is
  67    begin
  68       M := Machine_State (Null_Address);
  69    end Free_Machine_State;
  70
  71    ------------------
  72    -- Get_Code_Loc --
  73    ------------------
  74
  75    function Get_Code_Loc (M : Machine_State) return Code_Loc is
  76    begin
  77       return Null_Address;
  78    end Get_Code_Loc;
  79
  80    --------------------------
  81    -- Machine_State_Length --
  82    --------------------------
  83
  84    function Machine_State_Length
  85      return System.Storage_Elements.Storage_Offset is
  86    begin
  87       return 0;
  88    end Machine_State_Length;
  89
  90    ---------------
  91    -- Pop_Frame --
  92    ---------------
  93
  94    procedure Pop_Frame (M : Machine_State) is
  95    begin
  96       null;
  97    end Pop_Frame;
  98
  99    -----------------------
 100    -- Set_Machine_State --
 101    -----------------------
 102
 103    procedure Set_Machine_State (M : Machine_State) is
 104    begin
 105       null;
 106    end Set_Machine_State;
 107
 108 end System.Machine_State_Operations;