File : s-init.adb


   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                  GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS                --
   4 --                                                                          --
   5 --                             S Y S T E M . I N I T                        --
   6 --                                                                          --
   7 --                                   B o d y                                --
   8 --                                                                          --
   9 --          Copyright (C) 2003-2014, 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 --                                                                          --
  19 --                                                                          --
  20 --                                                                          --
  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 -- GNARL was developed by the GNARL team at Florida State University.       --
  28 -- Extensive contributions were provided by Ada Core Technologies, Inc.     --
  29 --                                                                          --
  30 ------------------------------------------------------------------------------
  31 
  32 --  This is a bare board implementation of this package
  33 
  34 with System.BB.CPU_Primitives;
  35 with System.BB.Parameters;     use System.BB.Parameters;
  36 with System.Tasking;
  37 
  38 package body System.Init is
  39 
  40    ------------------------
  41    --  Local procedures  --
  42    ------------------------
  43 
  44    --  These procedures are called by the binder.
  45 
  46    procedure Initialize;
  47    pragma Export (C, Initialize, "__gnat_initialize");
  48 
  49    procedure Finalize;
  50    pragma Export (C, Finalize, "__gnat_finalize");
  51 
  52    --------------
  53    -- Finalize --
  54    --------------
  55 
  56    procedure Finalize is
  57    begin
  58       null;
  59    end Finalize;
  60 
  61    ----------------
  62    -- Initialize --
  63    ----------------
  64 
  65    procedure Initialize is
  66    begin
  67       null;
  68    end Initialize;
  69 
  70    ---------------------
  71    -- Install_Handler --
  72    ---------------------
  73 
  74    procedure Install_Handler is
  75    begin
  76       BB.CPU_Primitives.Install_Error_Handlers;
  77    end Install_Handler;
  78 
  79    ------------------------
  80    -- Runtime_Initialize --
  81    ------------------------
  82 
  83    procedure Runtime_Initialize is
  84    begin
  85       --  Ensure that the tasking run time is initialized when using this run
  86       --  time. This initialization is required by the support for exceptions
  87       --  (which uses thread local storage). The initialization routine has the
  88       --  required machinery to prevent multiple calls to Initialize.
  89 
  90       System.Tasking.Initialize;
  91 
  92       Install_Handler;
  93    end Runtime_Initialize;
  94 
  95    ----------------------
  96    -- Runtime_Finalize --
  97    ----------------------
  98 
  99    procedure Runtime_Finalize is
 100    begin
 101       null;
 102    end Runtime_Finalize;
 103 end System.Init;