1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- SYSTEM.MACHINE_STATE_OPERATIONS --
10 -- Copyright (C) 1999-2005 Free Software Foundation, Inc. --
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, 51 Franklin Street, Fifth Floor, --
21 -- Boston, MA 02110-1301, USA. --
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. --
30 -- GNAT was originally developed by the GNAT team at New York University. --
31 -- Extensive contributions were provided by Ada Core Technologies Inc. --
33 ------------------------------------------------------------------------------
35 -- This dummy version of System.Machine_State_Operations is used
36 -- on targets for which zero cost exception handling is not implemented.
38 package body System.Machine_State_Operations is
40 -- Turn off warnings since many unused parameters
42 pragma Warnings (Off);
44 ----------------------------
45 -- Allocate_Machine_State --
46 ----------------------------
48 function Allocate_Machine_State return Machine_State is
50 return Machine_State (Null_Address);
51 end Allocate_Machine_State;
57 function Fetch_Code (Loc : Code_Loc) return Code_Loc is
62 ------------------------
63 -- Free_Machine_State --
64 ------------------------
66 procedure Free_Machine_State (M : in out Machine_State) is
68 M := Machine_State (Null_Address);
69 end Free_Machine_State;
75 function Get_Code_Loc (M : Machine_State) return Code_Loc is
80 --------------------------
81 -- Machine_State_Length --
82 --------------------------
84 function Machine_State_Length
85 return System.Storage_Elements.Storage_Offset is
88 end Machine_State_Length;
94 procedure Pop_Frame (M : Machine_State) is
99 -----------------------
100 -- Set_Machine_State --
101 -----------------------
103 procedure Set_Machine_State (M : Machine_State) is
106 end Set_Machine_State;
108 end System.Machine_State_Operations;