1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- SYSTEM.MACHINE_STATE_OPERATIONS --
10 -- Copyright (C) 1999-2007, 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 pragma Warnings (Off);
42 package body System.Machine_State_Operations is
44 -- Turn off warnings since many unused parameters
46 pragma Warnings (Off);
48 ----------------------------
49 -- Allocate_Machine_State --
50 ----------------------------
52 function Allocate_Machine_State return Machine_State is
54 return Machine_State (Null_Address);
55 end Allocate_Machine_State;
61 function Fetch_Code (Loc : Code_Loc) return Code_Loc is
66 ------------------------
67 -- Free_Machine_State --
68 ------------------------
70 procedure Free_Machine_State (M : in out Machine_State) is
72 M := Machine_State (Null_Address);
73 end Free_Machine_State;
79 function Get_Code_Loc (M : Machine_State) return Code_Loc is
84 --------------------------
85 -- Machine_State_Length --
86 --------------------------
88 function Machine_State_Length
89 return System.Storage_Elements.Storage_Offset is
92 end Machine_State_Length;
98 procedure Pop_Frame (M : Machine_State) is
103 -----------------------
104 -- Set_Machine_State --
105 -----------------------
107 procedure Set_Machine_State (M : Machine_State) is
110 end Set_Machine_State;
112 end System.Machine_State_Operations;