New Language: Ada

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45952 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 103 insertions, 0 deletions

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+------------------------------------------------------------------------------
+--                                                                          --
+--                 GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS              --
+--                                                                          --
+--                        S Y S T E M . V X W O R K S                       --
+--                                                                          --
+--                                   S p e c                                --
+--                                                                          --
+--                             $Revision: 1.1 $                             --
+--                                                                          --
+--             Copyright (C) 1998 - 2001 Free Software Foundation           --
+--                                                                          --
+-- GNARL 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. GNARL 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 GNARL; see file COPYING.  If not, write --
+-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
+-- MA 02111-1307, 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.                                      --
+--                                                                          --
+-- GNARL was developed by the GNARL team at Florida State University. It is --
+-- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
+-- State University (http://www.gnat.com).                                  --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This is the PPC VxWorks 5.x version of this package.  A different version
+--  is used for VxWorks 6.0
+
+with Interfaces.C;
+
+package System.VxWorks is
+   pragma Preelaborate (System.VxWorks);
+
+   package IC renames Interfaces.C;
+
+   --  Define enough of a Wind Task Control Block in order to
+   --  obtain the inherited priority.  When porting this to
+   --  different versions of VxWorks (this is based on 5.3[.1]),
+   --  be sure to look at the definition for WIND_TCB located
+   --  in $WIND_BASE/target/h/taskLib.h
+
+   type Wind_Fill_1 is array (0 .. 16#3F#) of IC.unsigned_char;
+   type Wind_Fill_2 is array (16#48# .. 16#107#) of IC.unsigned_char;
+
+   type Wind_TCB is record
+      Fill_1          : Wind_Fill_1; -- 0x00 - 0x3f
+      Priority        : IC.int;  -- 0x40 - 0x43, current (inherited) priority
+      Normal_Priority : IC.int;  -- 0x44 - 0x47, base priority
+      Fill_2          : Wind_Fill_2; -- 0x48 - 0x107
+      spare1          : Address;  -- 0x108 - 0x10b
+      spare2          : Address;  -- 0x10c - 0x10f
+      spare3          : Address;  -- 0x110 - 0x113
+      spare4          : Address;  -- 0x114 - 0x117
+   end record;
+   type Wind_TCB_Ptr is access Wind_TCB;
+
+   --  Floating point context record.  PPC version
+
+   FP_NUM_DREGS : constant := 32;
+   type Fpr_Array is array (1 .. FP_NUM_DREGS) of IC.double;
+
+   type FP_CONTEXT is record
+      fpr :   Fpr_Array;
+      fpcsr : IC.int;
+      pad :   IC.int;
+   end record;
+   pragma Convention (C, FP_CONTEXT);
+
+   Num_HW_Interrupts : constant := 256;
+
+   --  VxWorks 5.3 and 5.4 version
+   type TASK_DESC is record
+      td_id           : IC.int;   --  task id
+      td_name         : Address;  --  name of task
+      td_priority     : IC.int;   --  task priority
+      td_status       : IC.int;   --  task status
+      td_options      : IC.int;   --  task option bits (see below)
+      td_entry        : Address;  --  original entry point of task
+      td_sp           : Address;  --  saved stack pointer
+      td_pStackBase   : Address;  --  the bottom of the stack
+      td_pStackLimit  : Address;  --  the effective end of the stack
+      td_pStackEnd    : Address;  --  the actual end of the stack
+      td_stackSize    : IC.int;   --  size of stack in bytes
+      td_stackCurrent : IC.int;   --  current stack usage in bytes
+      td_stackHigh    : IC.int;   --  maximum stack usage in bytes
+      td_stackMargin  : IC.int;   --  current stack margin in bytes
+      td_errorStatus  : IC.int;   --  most recent task error status
+      td_delay        : IC.int;   --  delay/timeout ticks
+   end record;
+   pragma Convention (C, TASK_DESC);
+
+end System.VxWorks;