| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- S Y S T E M . V M S _ E X C E P T I O N _ T A B L E -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 1997-2013, Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This package is usually used only on OpenVMS systems in the case |
| -- where there is at least one Import/Export exception present. |
| |
| with System.Standard_Library; |
| |
| package System.VMS_Exception_Table is |
| |
| package SSL renames System.Standard_Library; |
| |
| subtype Exception_Code is System.Address; |
| |
| procedure Register_VMS_Exception |
| (Code : Exception_Code; |
| E : SSL.Exception_Data_Ptr); |
| -- Register an exception in hash table mapping with a VMS condition code. |
| -- |
| -- The table is used by exception code (the personnality routine) to detect |
| -- wether a VMS exception (aka condition) is known by the Ada code. In |
| -- that case, the identity of the imported or exported exception is used |
| -- to create the occurrence. |
| |
| -- LOTS more comments needed here regarding the entire scheme ??? |
| |
| private |
| |
| -- The following functions are directly called (without import/export) in |
| -- init.c by __gnat_handle_vms_condition. |
| |
| function Base_Code_In (Code : Exception_Code) return Exception_Code; |
| -- Value of Code with the severity bits masked off |
| |
| function Coded_Exception (X : Exception_Code) |
| return SSL.Exception_Data_Ptr; |
| -- Given a VMS condition, find and return its allocated Ada exception |
| |
| end System.VMS_Exception_Table; |
