1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--              S Y S T E M . T R A C E B A C K _ E N T R I E S             --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 2003-2009, Free Software Foundation, Inc.         --
10--                                                                          --
11-- This specification is derived from the Ada Reference Manual for use with --
12-- GNAT. The copyright notice above, and the license provisions that follow --
13-- apply solely to the  contents of the part following the private keyword. --
14--                                                                          --
15-- GNAT is free software;  you can  redistribute it  and/or modify it under --
16-- terms of the  GNU General Public License as published  by the Free Soft- --
17-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
18-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
19-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
20-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
21--                                                                          --
22-- As a special exception under Section 7 of GPL version 3, you are granted --
23-- additional permissions described in the GCC Runtime Library Exception,   --
24-- version 3.1, as published by the Free Software Foundation.               --
25--                                                                          --
26-- You should have received a copy of the GNU General Public License and    --
27-- a copy of the GCC Runtime Library Exception along with this program;     --
28-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
29-- <http://www.gnu.org/licenses/>.                                          --
30--                                                                          --
31-- GNAT was originally developed  by the GNAT team at  New York University. --
32-- Extensive contributions were provided by Ada Core Technologies Inc.      --
33--                                                                          --
34------------------------------------------------------------------------------
35
36--  This is the Alpha/OpenVMS version of this package
37
38package System.Traceback_Entries is
39   pragma Preelaborate;
40
41   --  Symbolization is performed by a VMS service which requires more
42   --  than an instruction pointer.
43
44   type Traceback_Entry is record
45      PC : System.Address;  --  Program Counter
46      PV : System.Address;  --  Procedure Value
47   end record;
48
49   pragma Suppress_Initialization (Traceback_Entry);
50
51   Null_TB_Entry : constant Traceback_Entry :=
52                     (PC => System.Null_Address,
53                      PV => System.Null_Address);
54
55   function PC_For (TB_Entry : Traceback_Entry) return System.Address;
56   function PV_For (TB_Entry : Traceback_Entry) return System.Address;
57
58   function TB_Entry_For (PC : System.Address) return Traceback_Entry;
59
60end System.Traceback_Entries;
61