1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- SYSTEM.MACHINE_STATE_OPERATIONS --
10 -- Copyright (C) 1999-2001 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, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, 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 use System.Exceptions;
46 ----------------------------
47 -- Allocate_Machine_State --
48 ----------------------------
50 function Allocate_Machine_State return Machine_State is
52 return Machine_State (Null_Address);
53 end Allocate_Machine_State;
59 procedure Enter_Handler (M : Machine_State; Handler : Handler_Loc) is
68 function Fetch_Code (Loc : Code_Loc) return Code_Loc is
73 ------------------------
74 -- Free_Machine_State --
75 ------------------------
77 procedure Free_Machine_State (M : in out Machine_State) is
79 M := Machine_State (Null_Address);
80 end Free_Machine_State;
86 function Get_Code_Loc (M : Machine_State) return Code_Loc is
91 --------------------------
92 -- Machine_State_Length --
93 --------------------------
95 function Machine_State_Length
96 return System.Storage_Elements.Storage_Offset is
99 end Machine_State_Length;
107 Info : Subprogram_Info_Type) is
112 -----------------------
113 -- Set_Machine_State --
114 -----------------------
116 procedure Set_Machine_State (M : Machine_State) is
119 end Set_Machine_State;
121 ------------------------------
122 -- Set_Signal_Machine_State --
123 ------------------------------
125 procedure Set_Signal_Machine_State
127 Context : System.Address)
131 end Set_Signal_Machine_State;
133 end System.Machine_State_Operations;