--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- --
+-- S Y S T E M . O S _ I N T E R F A C E --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1991-1994, Florida State University --
+-- Copyright (C) 1995-2007, 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 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, 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. --
+-- --
+-- GNARL was developed by the GNARL team at Florida State University. --
+-- Extensive contributions were provided by Ada Core Technologies, Inc. --
+-- --
+------------------------------------------------------------------------------
+
+-- This is the VxWorks 6.x version of this package
+
+-- This package encapsulates all direct interfaces to OS services
+-- that are needed by children of System.
+
+-- PLEASE DO NOT add any with-clauses to this package or remove the pragma
+-- Preelaborate. This package is designed to be a bottom-level (leaf) package.
+
+with Interfaces.C;
+with System.VxWorks;
+
+package System.OS_Interface is
+ pragma Preelaborate;
+
+ subtype int is Interfaces.C.int;
+ subtype short is Short_Integer;
+ type unsigned_int is mod 2 ** int'Size;
+ type long is new Long_Integer;
+ type unsigned_long is mod 2 ** long'Size;
+ type long_long is new Long_Long_Integer;
+ type unsigned_long_long is mod 2 ** long_long'Size;
+ type size_t is mod 2 ** Standard'Address_Size;
+
+ -----------
+ -- Errno --
+ -----------
+
+ function errno return int;
+ pragma Import (C, errno, "errnoGet");
+
+ EINTR : constant := 4;
+ EAGAIN : constant := 35;
+ ENOMEM : constant := 12;
+ EINVAL : constant := 22;
+ ETIMEDOUT : constant := 60;
+
+ FUNC_ERR : constant := -1;
+
+ ----------------------------
+ -- Signals and Interrupts --
+ ----------------------------
+
+ NSIG : constant := 64;
+ -- Number of signals on the target OS
+ type Signal is new int range 0 .. Interfaces.C."-" (NSIG, 1);
+
+ Max_HW_Interrupt : constant := System.VxWorks.Num_HW_Interrupts - 1;
+ type HW_Interrupt is new int range 0 .. Max_HW_Interrupt;
+
+ Max_Interrupt : constant := Max_HW_Interrupt;
+
+ SIGHUP : constant := 1; -- hangup
+ SIGINT : constant := 2; -- interrupt
+ SIGQUIT : constant := 3; -- quit
+ SIGILL : constant := 4; -- illegal instruction (not reset when caught)
+ SIGTRAP : constant := 5; -- trace trap (not reset when caught)
+ SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future
+ SIGEMT : constant := 7; -- EMT instruction
+ SIGFPE : constant := 8; -- floating point exception
+ SIGKILL : constant := 9; -- kill
+ SIGBUS : constant := 10; -- bus error
+ SIGSEGV : constant := 11; -- segmentation violation
+ SIGFMT : constant := 12; -- STACK FORMAT ERROR (not posix)
+ SIGPIPE : constant := 13; -- write on a pipe with no one to read it
+ SIGALRM : constant := 14; -- alarm clock
+ SIGTERM : constant := 15; -- software termination signal from kill
+ SIGCNCL : constant := 16; -- pthreads cancellation signal
+ SIGSTOP : constant := 17; -- sendable stop signal not from tty
+ SIGTSTP : constant := 18; -- stop signal from tty
+ SIGCONT : constant := 19; -- continue a stopped process
+ SIGCHLD : constant := 20; -- to parent on child stop or exit
+ SIGTTIN : constant := 21; -- to readers pgrp upon background tty read
+ SIGTTOU : constant := 22; -- like TTIN for output
+
+ SIGRES1 : constant := 23; -- reserved signal number (Not POSIX)
+ SIGRES2 : constant := 24; -- reserved signal number (Not POSIX)
+ SIGRES3 : constant := 25; -- reserved signal number (Not POSIX)
+ SIGRES4 : constant := 26; -- reserved signal number (Not POSIX)
+ SIGRES5 : constant := 27; -- reserved signal number (Not POSIX)
+ SIGRES6 : constant := 28; -- reserved signal number (Not POSIX)
+ SIGRES7 : constant := 29; -- reserved signal number (Not POSIX)
+
+ SIGUSR1 : constant := 30; -- user defined signal 1
+ SIGUSR2 : constant := 31; -- user defined signal 2
+
+ SIGPOLL : constant := 32; -- pollable event
+ SIGPROF : constant := 33; -- profiling timer expired
+ SIGSYS : constant := 34; -- bad system call
+ SIGURG : constant := 35; -- high bandwidth data is available at socket
+ SIGVTALRM : constant := 36; -- virtual timer expired
+ SIGXCPU : constant := 37; -- CPU time limit exceeded
+ SIGXFSZ : constant := 38; -- file size time limit exceeded
+
+ SIGEVTS : constant := 39; -- signal event thread send
+ SIGEVTD : constant := 40; -- signal event thread delete
+
+ SIGRTMIN : constant := 48; -- Realtime signal min
+ SIGRTMAX : constant := 63; -- Realtime signal max
+
+ -----------------------------------
+ -- Signal processing definitions --
+ -----------------------------------
+
+ -- The how in sigprocmask().
+ SIG_BLOCK : constant := 1;
+ SIG_UNBLOCK : constant := 2;
+ SIG_SETMASK : constant := 3;
+
+ -- The sa_flags in struct sigaction.
+ SA_SIGINFO : constant := 16#0002#;
+ SA_ONSTACK : constant := 16#0004#;
+
+ SIG_DFL : constant := 0;
+ SIG_IGN : constant := 1;
+
+ type sigset_t is private;
+
+ type struct_sigaction is record
+ sa_handler : System.Address;
+ sa_mask : sigset_t;
+ sa_flags : int;
+ end record;
+ pragma Convention (C, struct_sigaction);
+ type struct_sigaction_ptr is access all struct_sigaction;
+
+ function sigaddset (set : access sigset_t; sig : Signal) return int;
+ pragma Import (C, sigaddset, "sigaddset");
+
+ function sigdelset (set : access sigset_t; sig : Signal) return int;
+ pragma Import (C, sigdelset, "sigdelset");
+
+ function sigfillset (set : access sigset_t) return int;
+ pragma Import (C, sigfillset, "sigfillset");
+
+ function sigismember (set : access sigset_t; sig : Signal) return int;
+ pragma Import (C, sigismember, "sigismember");
+
+ function sigemptyset (set : access sigset_t) return int;
+ pragma Import (C, sigemptyset, "sigemptyset");
+
+ function sigaction
+ (sig : Signal;
+ act : struct_sigaction_ptr;
+ oact : struct_sigaction_ptr) return int;
+ pragma Import (C, sigaction, "sigaction");
+
+ type isr_address is access procedure (sig : int);
+
+ function c_signal (sig : Signal; handler : isr_address) return isr_address;
+ pragma Import (C, c_signal, "signal");
+
+ function sigwait (set : access sigset_t; sig : access Signal) return int;
+ pragma Inline (sigwait);
+
+ function pthread_sigmask
+ (how : int;
+ set : access sigset_t;
+ oset : access sigset_t) return int;
+ pragma Import (C, pthread_sigmask, "sigprocmask");
+
+ type t_id is new long;
+ subtype Thread_Id is t_id;
+
+ function kill (pid : t_id; sig : Signal) return int;
+ pragma Inline (kill);
+
+ function getpid return t_id;
+ pragma Inline (getpid);
+
+ ----------
+ -- Time --
+ ----------
+
+ type time_t is new unsigned_long;
+
+ type timespec is record
+ ts_sec : time_t;
+ ts_nsec : long;
+ end record;
+ pragma Convention (C, timespec);
+
+ type clockid_t is private;
+
+ CLOCK_REALTIME : constant clockid_t; -- System wide realtime clock
+
+ function To_Duration (TS : timespec) return Duration;
+ pragma Inline (To_Duration);
+
+ function To_Timespec (D : Duration) return timespec;
+ pragma Inline (To_Timespec);
+
+ function To_Clock_Ticks (D : Duration) return int;
+ -- Convert a duration value (in seconds) into clock ticks
+
+ function clock_gettime
+ (clock_id : clockid_t; tp : access timespec) return int;
+ pragma Import (C, clock_gettime, "clock_gettime");
+
+ type ULONG is new unsigned_long;
+
+ procedure tickSet (ticks : ULONG);
+ pragma Import (C, tickSet, "tickSet");
+
+ function tickGet return ULONG;
+ pragma Import (C, tickGet, "tickGet");
+
+ ----------------------
+ -- Utility Routines --
+ ----------------------
+
+ function To_VxWorks_Priority (Priority : int) return int;
+ pragma Inline (To_VxWorks_Priority);
+ -- Convenience routine to convert between VxWorks priority and Ada priority
+
+ --------------------------
+ -- VxWorks specific API --
+ --------------------------
+
+ subtype STATUS is int;
+ -- Equivalent of the C type STATUS
+
+ OK : constant STATUS := 0;
+ ERROR : constant STATUS := Interfaces.C.int (-1);
+
+ function taskIdVerify (tid : t_id) return STATUS;
+ pragma Import (C, taskIdVerify, "taskIdVerify");
+
+ function taskIdSelf return t_id;
+ pragma Import (C, taskIdSelf, "taskIdSelf");
+
+ function taskOptionsGet (tid : t_id; pOptions : access int) return int;
+ pragma Import (C, taskOptionsGet, "taskOptionsGet");
+
+ function taskSuspend (tid : t_id) return int;
+ pragma Import (C, taskSuspend, "taskSuspend");
+
+ function taskResume (tid : t_id) return int;
+ pragma Import (C, taskResume, "taskResume");
+
+ function taskIsSuspended (tid : t_id) return int;
+ pragma Import (C, taskIsSuspended, "taskIsSuspended");
+
+ function taskDelay (ticks : int) return int;
+ procedure taskDelay (ticks : int);
+ pragma Import (C, taskDelay, "taskDelay");
+
+ function sysClkRateGet return int;
+ pragma Import (C, sysClkRateGet, "sysClkRateGet");
+
+ -- VxWorks 5.x specific functions
+
+ function taskVarAdd
+ (tid : t_id; pVar : access System.Address) return int;
+ pragma Import (C, taskVarAdd, "taskVarAdd");
+
+ function taskVarDelete
+ (tid : t_id; pVar : access System.Address) return int;
+ pragma Import (C, taskVarDelete, "taskVarDelete");
+
+ function taskVarSet
+ (tid : t_id;
+ pVar : access System.Address;
+ value : System.Address) return int;
+ pragma Import (C, taskVarSet, "taskVarSet");
+
+ function taskVarGet
+ (tid : t_id;
+ pVar : access System.Address) return int;
+ pragma Import (C, taskVarGet, "taskVarGet");
+
+ -- VxWorks 6.x specific functions
+
+ function tlsKeyCreate return int;
+ pragma Import (C, tlsKeyCreate, "tlsKeyCreate");
+
+ function tlsValueGet (key : int) return System.Address;
+ pragma Import (C, tlsValueGet, "tlsValueGet");
+
+ function tlsValueSet (key : int; value : System.Address) return STATUS;
+ pragma Import (C, tlsValueSet, "tlsValueSet");
+
+ -- Option flags for taskSpawn
+
+ VX_UNBREAKABLE : constant := 16#0002#;
+ VX_FP_PRIVATE_ENV : constant := 16#0080#;
+ VX_NO_STACK_FILL : constant := 16#0100#;
+
+ function taskSpawn
+ (name : System.Address; -- Pointer to task name
+ priority : int;
+ options : int;
+ stacksize : size_t;
+ start_routine : System.Address;
+ arg1 : System.Address;
+ arg2 : int := 0;
+ arg3 : int := 0;
+ arg4 : int := 0;
+ arg5 : int := 0;
+ arg6 : int := 0;
+ arg7 : int := 0;
+ arg8 : int := 0;
+ arg9 : int := 0;
+ arg10 : int := 0) return t_id;
+ pragma Import (C, taskSpawn, "taskSpawn");
+
+ procedure taskDelete (tid : t_id);
+ pragma Import (C, taskDelete, "taskDelete");
+
+ function Set_Time_Slice (ticks : int) return int;
+ pragma Inline (Set_Time_Slice);
+ -- Calls kernelTimeSlice under VxWorks 5.x
+ -- Do nothing under VxWorks 6.x
+
+ function taskPriorityGet (tid : t_id; pPriority : access int) return int;
+ pragma Import (C, taskPriorityGet, "taskPriorityGet");
+
+ function taskPrioritySet (tid : t_id; newPriority : int) return int;
+ pragma Import (C, taskPrioritySet, "taskPrioritySet");
+
+ -- Semaphore creation flags
+
+ SEM_Q_FIFO : constant := 0;
+ SEM_Q_PRIORITY : constant := 1;
+ SEM_DELETE_SAFE : constant := 4; -- only valid for binary semaphore
+ SEM_INVERSION_SAFE : constant := 8; -- only valid for binary semaphore
+
+ -- Semaphore initial state flags
+
+ SEM_EMPTY : constant := 0;
+ SEM_FULL : constant := 1;
+
+ -- Semaphore take (semTake) time constants
+
+ WAIT_FOREVER : constant := -1;
+ NO_WAIT : constant := 0;
+
+ -- Error codes (errno). The lower level 16 bits are the error code, with
+ -- the upper 16 bits representing the module number in which the error
+ -- occurred. By convention, the module number is 0 for UNIX errors. VxWorks
+ -- reserves module numbers 1-500, with the remaining module numbers being
+ -- available for user applications.
+
+ M_objLib : constant := 61 * 2**16;
+ -- semTake() failure with ticks = NO_WAIT
+ S_objLib_OBJ_UNAVAILABLE : constant := M_objLib + 2;
+ -- semTake() timeout with ticks > NO_WAIT
+ S_objLib_OBJ_TIMEOUT : constant := M_objLib + 4;
+
+ type SEM_ID is new System.Address;
+ -- typedef struct semaphore *SEM_ID;
+
+ -- We use two different kinds of VxWorks semaphores: mutex and binary
+ -- semaphores. A null ID is returned when a semaphore cannot be created.
+
+ function semBCreate (options : int; initial_state : int) return SEM_ID;
+ pragma Import (C, semBCreate, "semBCreate");
+ -- Create a binary semaphore. Return ID, or 0 if memory could not
+ -- be allocated.
+
+ function semMCreate (options : int) return SEM_ID;
+ pragma Import (C, semMCreate, "semMCreate");
+
+ function semDelete (Sem : SEM_ID) return int;
+ pragma Import (C, semDelete, "semDelete");
+ -- Delete a semaphore
+
+ function semGive (Sem : SEM_ID) return int;
+ pragma Import (C, semGive, "semGive");
+
+ function semTake (Sem : SEM_ID; timeout : int) return int;
+ pragma Import (C, semTake, "semTake");
+ -- Attempt to take binary semaphore. Error is returned if operation
+ -- times out
+
+ function semFlush (SemID : SEM_ID) return STATUS;
+ pragma Import (C, semFlush, "semFlush");
+ -- Release all threads blocked on the semaphore
+
+private
+ type sigset_t is new unsigned_long_long;
+
+ type pid_t is new int;
+
+ ERROR_PID : constant pid_t := -1;
+
+ type clockid_t is new int;
+ CLOCK_REALTIME : constant clockid_t := 0;
+
+end System.OS_Interface;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- S Y S T E M --
+-- --
+-- S p e c --
+-- (VxWorks Version ARM) --
+-- --
+-- Copyright (C) 1992-2007, 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 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. --
+-- --
+------------------------------------------------------------------------------
+
+package System is
+pragma Pure (System);
+-- 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).
+
+ 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 := 1.0 / 60.0;
+
+ -- 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 := Low_Order_First;
+ pragma Warnings (Off, Default_Bit_Order); -- kill constant condition warning
+
+ -- Priority-related Declarations (RM D.1)
+
+ -- Ada priorities are mapped to VxWorks priorities using the following
+ -- transformation: 255 - Ada Priority
+
+ -- Ada priorities are used as follows:
+
+ -- 256 is reserved for the VxWorks kernel
+ -- 248 - 255 correspond to hardware interrupt levels 0 .. 7
+ -- 247 is a catchall default "interrupt" priority for signals,
+ -- allowing higher priority than normal tasks, but lower than
+ -- hardware priority levels. Protected Object ceilings can
+ -- override these values.
+ -- 246 is used by the Interrupt_Manager task
+
+ Max_Priority : constant Positive := 245;
+ Max_Interrupt_Priority : constant Positive := 255;
+
+ subtype Any_Priority is Integer range 0 .. 255;
+ subtype Priority is Any_Priority range 0 .. 245;
+ subtype Interrupt_Priority is Any_Priority range 246 .. 255;
+
+ Default_Priority : constant Priority := 122;
+
+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 := False;
+ Command_Line_Args : constant Boolean := False;
+ 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 := False;
+ Support_64_Bit_Divides : constant Boolean := True;
+ Support_Aggregates : constant Boolean := True;
+ Support_Composite_Assign : constant Boolean := True;
+ Support_Composite_Compare : constant Boolean := True;
+ Support_Long_Shifts : constant Boolean := True;
+ Suppress_Standard_Library : constant Boolean := False;
+ Use_Ada_Main_Program_Name : constant Boolean := True;
+ ZCX_By_Default : constant Boolean := False;
+ GCC_ZCX_Support : constant Boolean := False;
+
+end System;
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