New files, to ease sync between AdaCore and FSF.

From-SVN: r251957

4 files changed, 485 insertions, 0 deletions

diff --git a/gcc/ada/libgnat/g-soliop-lynxos.ads b/gcc/ada/libgnat/g-soliop-lynxos.ads
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+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--          G N A T . S O C K E T S . L I N K E R _ O P T I O N S           --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--                     Copyright (C) 2001-2017, AdaCore                     --
+--                                                                          --
+-- 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 used to provide target specific linker_options for the
+--  support of sockets as required by the package GNAT.Sockets.
+
+--  This is the LynxOS version of this package
+
+--  This package should not be directly with'ed by an application program
+
+package GNAT.Sockets.Linker_Options is
+private
+   pragma Linker_Options ("-lbsd");
+end GNAT.Sockets.Linker_Options;
diff --git a/gcc/ada/libgnat/s-osprim-lynxos.ads b/gcc/ada/libgnat/s-osprim-lynxos.ads
new file mode 100644
index 0000000..26087fd
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+++ b/gcc/ada/libgnat/s-osprim-lynxos.ads
@@ -0,0 +1,80 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                 GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS                 --
+--                                                                          --
+--                  S Y S T E M . O S _ P R I M I T I V E S                 --
+--                                                                          --
+--                                  S p e c                                 --
+--                                                                          --
+--          Copyright (C) 1998-2017, Free Software Foundation, Inc.         --
+--                                                                          --
+-- 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 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/>.                                          --
+--                                                                          --
+-- GNARL was developed by the GNARL team at Florida State University.       --
+-- Extensive contributions were provided by Ada Core Technologies, Inc.     --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This package provides low level primitives used to implement clock and
+--  delays in non tasking applications, for LynxOS.
+
+--  The choice of the real clock/delay implementation (depending on whether
+--  tasking is involved or not) is done via soft links (see s-soflin.ads)
+
+--  NEVER add any dependency to tasking packages here
+
+package System.OS_Primitives is
+   pragma Preelaborate;
+
+   Max_Sensible_Delay : constant Duration := 16#10_0000.0#;
+   --  LynxOS does not support delays as long as half a year, so we set this to
+   --  a shorter, but still fairly long, duration. Experiments show that if
+   --  pthread_cond_timedwait is passed an abstime much greater than about
+   --  2**21, it fails, returning EAGAIN. The cutoff is somewhere between
+   --  16#20_8000.0# and 16#20_F000.0#. This behavior is not documented.
+
+   procedure Initialize;
+   --  Initialize global settings related to this package. This procedure
+   --  should be called before any other subprograms in this package. Note
+   --  that this procedure can be called several times.
+
+   function Clock return Duration;
+   pragma Inline (Clock);
+   --  Returns "absolute" time, represented as an offset relative to "the
+   --  Epoch", which is Jan 1, 1970 00:00:00 UTC on UNIX systems. This
+   --  implementation is affected by system's clock changes.
+
+   Relative          : constant := 0;
+   Absolute_Calendar : constant := 1;
+   Absolute_RT       : constant := 2;
+   --  Values for Mode call below. Note that the compiler (exp_ch9.adb) relies
+   --  on these values. So any change here must be reflected in corresponding
+   --  changes in the compiler.
+
+   procedure Timed_Delay (Time : Duration; Mode : Integer);
+   --  Implements the semantics of the delay statement when no tasking is used
+   --  in the application.
+   --
+   --    Mode is one of the three values above
+   --
+   --    Time is a relative or absolute duration value, depending on Mode.
+   --
+   --  Note that currently Ada.Real_Time always uses the tasking run time,
+   --  so this procedure should never be called with Mode set to Absolute_RT.
+   --  This may change in future or bare board implementations.
+
+end System.OS_Primitives;
diff --git a/gcc/ada/libgnat/s-parame-ae653.ads b/gcc/ada/libgnat/s-parame-ae653.ads
new file mode 100644
index 0000000..8a787f0
--- /dev/null
+++ b/gcc/ada/libgnat/s-parame-ae653.ads
@@ -0,0 +1,201 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                    S Y S T E M . P A R A M E T E R S                     --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 1992-2017, 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.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  Version is used by VxWorks 653, VxWorks MILS, and VxWorks6 cert Ravenscar
+
+--  This package defines some system dependent parameters for GNAT. These
+--  are values that are referenced by the runtime library and are therefore
+--  relevant to the target machine.
+
+--  The parameters whose value is defined in the spec are not generally
+--  expected to be changed. If they are changed, it will be necessary to
+--  recompile the run-time library.
+
+--  The parameters which are defined by functions can be changed by modifying
+--  the body of System.Parameters in file s-parame.adb. A change to this body
+--  requires only rebinding and relinking of the application.
+
+--  Note: do not introduce any pragma Inline statements into this unit, since
+--  otherwise the relinking and rebinding capability would be deactivated.
+
+package System.Parameters is
+   pragma Pure;
+
+   ---------------------------------------
+   -- Task And Stack Allocation Control --
+   ---------------------------------------
+
+   type Task_Storage_Size is new Integer;
+   --  Type used in tasking units for task storage size
+
+   type Size_Type is new Task_Storage_Size;
+   --  Type used to provide task storage size to runtime
+
+   Unspecified_Size : constant Size_Type := Size_Type'First;
+   --  Value used to indicate that no size type is set
+
+   subtype Percentage is Size_Type range -1 .. 100;
+   Dynamic : constant Size_Type := -1;
+   --  The secondary stack ratio is a constant between 0 and 100 which
+   --  determines the percentage of the allocated task stack that is
+   --  used by the secondary stack (the rest being the primary stack).
+   --  The special value of minus one indicates that the secondary
+   --  stack is to be allocated from the heap instead.
+
+   Sec_Stack_Percentage : constant Percentage := 25;
+   --  This constant defines the handling of the secondary stack
+
+   Sec_Stack_Dynamic : constant Boolean := Sec_Stack_Percentage = Dynamic;
+   --  Convenient Boolean for testing for dynamic secondary stack
+
+   function Default_Stack_Size return Size_Type;
+   --  Default task stack size used if none is specified
+
+   function Minimum_Stack_Size return Size_Type;
+   --  Minimum task stack size permitted
+
+   function Adjust_Storage_Size (Size : Size_Type) return Size_Type;
+   --  Given the storage size stored in the TCB, return the Storage_Size
+   --  value required by the RM for the Storage_Size attribute. The
+   --  required adjustment is as follows:
+   --
+   --    when Size = Unspecified_Size, return Default_Stack_Size
+   --    when Size < Minimum_Stack_Size, return Minimum_Stack_Size
+   --    otherwise return given Size
+
+   Default_Env_Stack_Size : constant Size_Type := 14_336;
+   --  Assumed size of the environment task, if no other information
+   --  is available. This value is used when stack checking is
+   --  enabled and no GNAT_STACK_LIMIT environment variable is set.
+   --  This value is chosen as the VxWorks default stack size is 20kB,
+   --  and a little more than 4kB is necessary for the run time.
+
+   Stack_Grows_Down  : constant Boolean := True;
+   --  This constant indicates whether the stack grows up (False) or
+   --  down (True) in memory as functions are called. It is used for
+   --  proper implementation of the stack overflow check.
+
+   ----------------------------------------------
+   -- Characteristics of types in Interfaces.C --
+   ----------------------------------------------
+
+   long_bits : constant := Long_Integer'Size;
+   --  Number of bits in type long and unsigned_long. The normal convention
+   --  is that this is the same as type Long_Integer, but this may not be true
+   --  of all targets.
+
+   ptr_bits  : constant := Standard'Address_Size;
+   subtype C_Address is System.Address;
+   --  Number of bits in Interfaces.C pointers, normally a standard address
+
+   C_Malloc_Linkname : constant String := "__gnat_malloc";
+   --  Name of runtime function used to allocate such a pointer
+
+   ----------------------------------------------
+   -- Behavior of Pragma Finalize_Storage_Only --
+   ----------------------------------------------
+
+   --  Garbage_Collected is a Boolean constant whose value indicates the
+   --  effect of the pragma Finalize_Storage_Entry on a controlled type.
+
+   --    Garbage_Collected = False
+
+   --      The system releases all storage on program termination only,
+   --      but not other garbage collection occurs, so finalization calls
+   --      are omitted only for outer level objects can be omitted if
+   --      pragma Finalize_Storage_Only is used.
+
+   --    Garbage_Collected = True
+
+   --      The system provides full garbage collection, so it is never
+   --      necessary to release storage for controlled objects for which
+   --      a pragma Finalize_Storage_Only is used.
+
+   Garbage_Collected : constant Boolean := False;
+   --  The storage mode for this system (release on program exit)
+
+   ---------------------
+   -- Tasking Profile --
+   ---------------------
+
+   --  In the following sections, constant parameters are defined to
+   --  allow some optimizations and fine tuning within the tasking run time
+   --  based on restrictions on the tasking features.
+
+   ----------------------
+   -- Locking Strategy --
+   ----------------------
+
+   Single_Lock : constant Boolean := False;
+   --  Indicates whether a single lock should be used within the tasking
+   --  run-time to protect internal structures. If True, a single lock
+   --  will be used, meaning less locking/unlocking operations, but also
+   --  more global contention. In general, Single_Lock should be set to
+   --  True on single processor machines, and to False to multi-processor
+   --  systems, but this can vary from application to application and also
+   --  depends on the scheduling policy.
+
+   -------------------
+   -- Task Abortion --
+   -------------------
+
+   No_Abort : constant Boolean := False;
+   --  This constant indicates whether abort statements and asynchronous
+   --  transfer of control (ATC) are disallowed. If set to True, it is
+   --  assumed that neither construct is used, and the run time does not
+   --  need to defer/undefer abort and check for pending actions at
+   --  completion points. A value of True for No_Abort corresponds to:
+   --  pragma Restrictions (No_Abort_Statements);
+   --  pragma Restrictions (Max_Asynchronous_Select_Nesting => 0);
+
+   ---------------------
+   -- Task Attributes --
+   ---------------------
+
+   Max_Attribute_Count : constant := 8;
+   --  Number of task attributes stored in the task control block
+
+   -----------------------
+   -- Task Image Length --
+   -----------------------
+
+   Max_Task_Image_Length : constant := 32;
+   --  This constant specifies the maximum length of a task's image
+
+   ------------------------------
+   -- Exception Message Length --
+   ------------------------------
+
+   Default_Exception_Msg_Max_Length : constant := 200;
+   --  This constant specifies the default number of characters to allow
+   --  in an exception message (200 is minimum required by RM 11.4.1(18)).
+
+end System.Parameters;
diff --git a/gcc/ada/libgnat/system-lynxos178-ppc.ads b/gcc/ada/libgnat/system-lynxos178-ppc.ads
new file mode 100644
index 0000000..5dc1eaa
--- /dev/null
+++ b/gcc/ada/libgnat/system-lynxos178-ppc.ads
@@ -0,0 +1,162 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                        GNAT RUN-TIME COMPONENTS                          --
+--                                                                          --
+--                               S Y S T E M                                --
+--                                                                          --
+--                                 S p e c                                  --
+--                         (LynxOS-178 PPC Version)                         --
+--                                                                          --
+--          Copyright (C) 2009-2017, Free Software Foundation, Inc.         --
+--                                                                          --
+-- This specification is derived from the Ada Reference Manual for use with --
+-- GNAT. The copyright notice above, and the license provisions that follow --
+-- apply solely to the  contents of the part following the private keyword. --
+--                                                                          --
+-- 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.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+package System is
+   pragma Pure;
+   --  Note that we take advantage of the implementation permission to make
+   --  this unit Pure instead of Preelaborable; see RM 13.7.1(15). In Ada
+   --  2005, this is Pure in any case (AI-362).
+
+   pragma No_Elaboration_Code_All;
+   --  Allow the use of that restriction in units that WITH this unit
+
+   type Name is (SYSTEM_NAME_GNAT);
+   System_Name : constant Name := SYSTEM_NAME_GNAT;
+
+   --  System-Dependent Named Numbers
+
+   Min_Int               : constant := Long_Long_Integer'First;
+   Max_Int               : constant := Long_Long_Integer'Last;
+
+   Max_Binary_Modulus    : constant := 2 ** Long_Long_Integer'Size;
+   Max_Nonbinary_Modulus : constant := 2 ** Integer'Size - 1;
+
+   Max_Base_Digits       : constant := Long_Long_Float'Digits;
+   Max_Digits            : constant := Long_Long_Float'Digits;
+
+   Max_Mantissa          : constant := 63;
+   Fine_Delta            : constant := 2.0 ** (-Max_Mantissa);
+
+   Tick                  : constant := 0.01;
+
+   --  Storage-related Declarations
+
+   type Address is private;
+   pragma Preelaborable_Initialization (Address);
+   Null_Address : constant Address;
+
+   Storage_Unit : constant := 8;
+   Word_Size    : constant := 32;
+   Memory_Size  : constant := 2 ** 32;
+
+   --  Address comparison
+
+   function "<"  (Left, Right : Address) return Boolean;
+   function "<=" (Left, Right : Address) return Boolean;
+   function ">"  (Left, Right : Address) return Boolean;
+   function ">=" (Left, Right : Address) return Boolean;
+   function "="  (Left, Right : Address) return Boolean;
+
+   pragma Import (Intrinsic, "<");
+   pragma Import (Intrinsic, "<=");
+   pragma Import (Intrinsic, ">");
+   pragma Import (Intrinsic, ">=");
+   pragma Import (Intrinsic, "=");
+
+   --  Other System-Dependent Declarations
+
+   type Bit_Order is (High_Order_First, Low_Order_First);
+   Default_Bit_Order : constant Bit_Order := High_Order_First;
+   pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning
+
+   --  Priority-related Declarations (RM D.1)
+
+   --  17 is the system determined default priority for user applications
+   --  running on LynxOS.
+
+   --  The standard (Rm 13.7) requires that Default_Priority has the value:
+
+   --  (Priority'First + Priority'Last) / 2
+
+   --  However, the default priority given by the OS is not the same thing as
+   --  the Ada value Default_Prioirity (previous examples include VxWorks).
+   --  Therefore, we follow a model based on the full range of LynxOS-178
+   --  priorities.
+
+   Max_Priority           : constant Positive := 252;
+   Max_Interrupt_Priority : constant Positive := 255;
+
+   subtype Any_Priority       is Integer      range   0 .. 255;
+   subtype Priority           is Any_Priority range   0 .. 252;
+   subtype Interrupt_Priority is Any_Priority range 253 .. 255;
+
+   Default_Priority : constant Priority := 126;
+
+   --  Note that the priority of the environment task is set externally by the
+   --  OS
+
+private
+
+   type Address is mod Memory_Size;
+   Null_Address : constant Address := 0;
+
+   --------------------------------------
+   -- System Implementation Parameters --
+   --------------------------------------
+
+   --  These parameters provide information about the target that is used
+   --  by the compiler. They are in the private part of System, where they
+   --  can be accessed using the special circuitry in the Targparm unit
+   --  whose source should be consulted for more detailed descriptions
+   --  of the individual switch values.
+
+   Backend_Divide_Checks     : constant Boolean := False;
+   Backend_Overflow_Checks   : constant Boolean := True;
+   Command_Line_Args         : constant Boolean := True;
+   Configurable_Run_Time     : constant Boolean := False;
+   Denorm                    : constant Boolean := True;
+   Duration_32_Bits          : constant Boolean := False;
+   Exit_Status_Supported     : constant Boolean := True;
+   Fractional_Fixed_Ops      : constant Boolean := False;
+   Frontend_Layout           : constant Boolean := False;
+   Machine_Overflows         : constant Boolean := False;
+   Machine_Rounds            : constant Boolean := True;
+   Preallocated_Stacks       : constant Boolean := False;
+   Signed_Zeros              : constant Boolean := True;
+   Stack_Check_Default       : constant Boolean := False;
+   Stack_Check_Probes        : constant Boolean := True;
+   Stack_Check_Limits        : constant Boolean := False;
+   Support_Aggregates        : constant Boolean := True;
+   Support_Composite_Assign  : constant Boolean := True;
+   Support_Composite_Compare : constant Boolean := True;
+   Support_Long_Shifts       : constant Boolean := True;
+   Always_Compatible_Rep     : constant Boolean := False;
+   Suppress_Standard_Library : constant Boolean := False;
+   Use_Ada_Main_Program_Name : constant Boolean := False;
+   Frontend_Exceptions       : constant Boolean := False;
+   ZCX_By_Default            : constant Boolean := False;
+
+end System;