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Diffstat (limited to 'gcc-4.2.1/gcc/ada/s-vmexta.adb')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/s-vmexta.adb | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/gcc-4.2.1/gcc/ada/s-vmexta.adb b/gcc-4.2.1/gcc/ada/s-vmexta.adb deleted file mode 100644 index 8f225c455..000000000 --- a/gcc-4.2.1/gcc/ada/s-vmexta.adb +++ /dev/null @@ -1,189 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- 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 -- --- -- --- B o d y -- --- -- --- Copyright (C) 1997-2004, 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 2, 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. See the GNU General Public License -- --- for more details. You should have received a copy of the GNU General -- --- Public License distributed with GNAT; see file COPYING. If not, write -- --- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- --- Boston, MA 02110-1301, USA. -- --- -- --- As a special exception, if other files instantiate generics from this -- --- unit, or you link this unit with other files to produce an executable, -- --- this unit does not by itself cause the resulting executable to be -- --- covered by the GNU General Public License. This exception does not -- --- however invalidate any other reasons why the executable file might be -- --- covered by the GNU Public License. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - --- This is an Alpha/VMS package. - -with System.HTable; -pragma Elaborate_All (System.HTable); - -package body System.VMS_Exception_Table is - - use type SSL.Exception_Code; - - type HTable_Headers is range 1 .. 37; - - type Exception_Code_Data; - type Exception_Code_Data_Ptr is access all Exception_Code_Data; - - -- The following record maps an imported VMS condition to an - -- Ada exception. - - type Exception_Code_Data is record - Code : SSL.Exception_Code; - Except : SSL.Exception_Data_Ptr; - HTable_Ptr : Exception_Code_Data_Ptr; - end record; - - procedure Set_HT_Link - (T : Exception_Code_Data_Ptr; - Next : Exception_Code_Data_Ptr); - - function Get_HT_Link (T : Exception_Code_Data_Ptr) - return Exception_Code_Data_Ptr; - - function Hash (F : SSL.Exception_Code) return HTable_Headers; - function Get_Key (T : Exception_Code_Data_Ptr) return SSL.Exception_Code; - - package Exception_Code_HTable is new System.HTable.Static_HTable ( - Header_Num => HTable_Headers, - Element => Exception_Code_Data, - Elmt_Ptr => Exception_Code_Data_Ptr, - Null_Ptr => null, - Set_Next => Set_HT_Link, - Next => Get_HT_Link, - Key => SSL.Exception_Code, - Get_Key => Get_Key, - Hash => Hash, - Equal => "="); - - ------------------ - -- Base_Code_In -- - ------------------ - - function Base_Code_In - (Code : SSL.Exception_Code) return SSL.Exception_Code - is - begin - return Code and not 2#0111#; - end Base_Code_In; - - --------------------- - -- Coded_Exception -- - --------------------- - - function Coded_Exception - (X : SSL.Exception_Code) return SSL.Exception_Data_Ptr - is - Res : Exception_Code_Data_Ptr; - - begin - Res := Exception_Code_HTable.Get (X); - - if Res /= null then - return Res.Except; - else - return null; - end if; - - end Coded_Exception; - - ----------------- - -- Get_HT_Link -- - ----------------- - - function Get_HT_Link - (T : Exception_Code_Data_Ptr) return Exception_Code_Data_Ptr - is - begin - return T.HTable_Ptr; - end Get_HT_Link; - - ------------- - -- Get_Key -- - ------------- - - function Get_Key (T : Exception_Code_Data_Ptr) - return SSL.Exception_Code - is - begin - return T.Code; - end Get_Key; - - ---------- - -- Hash -- - ---------- - - function Hash - (F : SSL.Exception_Code) return HTable_Headers - is - Headers_Magnitude : constant SSL.Exception_Code := - SSL.Exception_Code (HTable_Headers'Last - HTable_Headers'First + 1); - - begin - return HTable_Headers (F mod Headers_Magnitude + 1); - end Hash; - - ---------------------------- - -- Register_VMS_Exception -- - ---------------------------- - - procedure Register_VMS_Exception - (Code : SSL.Exception_Code; - E : SSL.Exception_Data_Ptr) - is - -- We bind the exception data with the base code found in the - -- input value, that is with the severity bits masked off. - - Excode : constant SSL.Exception_Code := Base_Code_In (Code); - - begin - -- The exception data registered here is mostly filled prior to this - -- call and by __gnat_error_handler when the exception is raised. We - -- still need to fill a couple of components for exceptions that will - -- be used as propagation filters (exception data pointer registered - -- as choices in the unwind tables): in some import/export cases, the - -- exception pointers for the choice and the propagated occurrence may - -- indeed be different for a single import code, and the personality - -- routine attempts to match the import codes in this case. - - E.Lang := 'V'; - E.Import_Code := Excode; - - if Exception_Code_HTable.Get (Excode) = null then - Exception_Code_HTable.Set (new Exception_Code_Data'(Excode, E, null)); - end if; - end Register_VMS_Exception; - - ----------------- - -- Set_HT_Link -- - ----------------- - - procedure Set_HT_Link - (T : Exception_Code_Data_Ptr; - Next : Exception_Code_Data_Ptr) - is - begin - T.HTable_Ptr := Next; - end Set_HT_Link; - -end System.VMS_Exception_Table; |