PR tree-optimization/43833
[official-gcc/alias-decl.git] / gcc / ada / s-vmexta.ads
blobe19929e1df98dc2c0cd78ed1f2d798fdd685c354
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- S Y S T E M . V M S _ E X C E P T I O N _ T A B L E --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 1997-2009, Free Software Foundation, Inc. --
10 -- --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
17 -- --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
21 -- --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
26 -- --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
29 -- --
30 ------------------------------------------------------------------------------
32 -- This package is usually used only on Alpha/VMS systems in the case
33 -- where there is at least one Import/Export exception present.
35 with System.Standard_Library;
37 package System.VMS_Exception_Table is
39 package SSL renames System.Standard_Library;
41 procedure Register_VMS_Exception
42 (Code : SSL.Exception_Code;
43 E : SSL.Exception_Data_Ptr);
44 -- Register an exception in the hash table mapping with a VMS
45 -- condition code.
47 -- LOTS more comments needed here regarding the entire scheme ???
49 private
51 function Base_Code_In (Code : SSL.Exception_Code) return SSL.Exception_Code;
52 -- Value of Code with the severity bits masked off
54 function Coded_Exception (X : SSL.Exception_Code)
55 return SSL.Exception_Data_Ptr;
56 -- Given a VMS condition, find and return it's allocated Ada exception
57 -- (called only from init.c).
59 end System.VMS_Exception_Table;