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verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
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1 files changed, 629 insertions, 0 deletions

diff --git a/gcc/ada/s-osinte-rtems.ads b/gcc/ada/s-osinte-rtems.ads
new file mode 100644
index 000000000..eb8b17d5f
--- /dev/null
+++ b/gcc/ada/s-osinte-rtems.ads
@@ -0,0 +1,629 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                GNU ADA 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) 1997-2009 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.      --
+--                                                                          --
+-- The GNARL files that were developed for RTEMS are maintained by  On-Line --
+-- Applications Research Corporation (http://www.oarcorp.com)  in  coopera- --
+-- tion with Ada Core Technologies Inc. and Florida State University.       --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This is the RTEMS version of this package.
+--
+--  RTEMS target names are of the form CPU-rtems.
+--  This implementation is designed to work on ALL RTEMS targets.
+--  The RTEMS implementation is primarily based upon the POSIX threads
+--  API but there are also bindings to GNAT/RTEMS support routines
+--  to insulate this code from C API specific details and, in some
+--  cases, obtain target architecture and BSP specific information
+--  that is unavailable at the time this package is built.
+
+--  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.
+--  It is designed to be a bottom-level (leaf) package.
+
+with Interfaces.C;
+package System.OS_Interface is
+   pragma Preelaborate;
+
+   --  This interface assumes that "unsigned" is a 32-bit entity.  This
+   --  will correspond to RTEMS object ids.
+
+   subtype rtems_id       is Interfaces.C.unsigned;
+
+   subtype int            is Interfaces.C.int;
+   subtype short          is Interfaces.C.short;
+   subtype long           is Interfaces.C.long;
+   subtype unsigned       is Interfaces.C.unsigned;
+   subtype unsigned_short is Interfaces.C.unsigned_short;
+   subtype unsigned_long  is Interfaces.C.unsigned_long;
+   subtype unsigned_char  is Interfaces.C.unsigned_char;
+   subtype plain_char     is Interfaces.C.plain_char;
+   subtype size_t         is Interfaces.C.size_t;
+
+   -----------
+   -- Errno --
+   -----------
+
+   function errno return int;
+   pragma Import (C, errno, "__get_errno");
+
+   EAGAIN    : constant := 11;
+   EINTR     : constant := 4;
+   EINVAL    : constant := 22;
+   ENOMEM    : constant := 12;
+   ETIMEDOUT : constant := 116;
+
+   -------------
+   -- Signals --
+   -------------
+
+   Num_HW_Interrupts : constant := 256;
+
+   Max_HW_Interrupt : constant := Num_HW_Interrupts - 1;
+   type HW_Interrupt is new int range 0 .. Max_HW_Interrupt;
+
+   Max_Interrupt : constant := Max_HW_Interrupt;
+
+   type Signal is new int range 0 .. Max_Interrupt;
+
+   SIGXCPU     : constant := 0; --  XCPU
+   SIGHUP      : constant := 1; --  hangup
+   SIGINT      : constant := 2; --  interrupt (rubout)
+   SIGQUIT     : constant := 3; --  quit (ASCD FS)
+   SIGILL      : constant := 4; --  illegal instruction (not reset)
+   SIGTRAP     : constant := 5; --  trace trap (not reset)
+   SIGIOT      : constant := 6; --  IOT instruction
+   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 (cannot be caught or ignored)
+   SIGBUS      : constant := 10; --  bus error
+   SIGSEGV     : constant := 11; --  segmentation violation
+   SIGSYS      : constant := 12; --  bad argument to system call
+   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
+   SIGUSR1     : constant := 16; --  user defined signal 1
+   SIGUSR2     : constant := 17; --  user defined signal 2
+
+   SIGADAABORT : constant := SIGABRT;
+
+   type Signal_Set is array (Natural range <>) of Signal;
+
+   Unmasked    : constant Signal_Set := (SIGTRAP, SIGALRM, SIGEMT);
+   Reserved    : constant Signal_Set := (1 .. 1 => SIGKILL);
+
+   type sigset_t is private;
+
+   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");
+
+   type struct_sigaction is record
+      sa_flags   : int;
+      sa_mask    : sigset_t;
+      sa_handler : System.Address;
+   end record;
+   pragma Convention (C, struct_sigaction);
+   type struct_sigaction_ptr is access all struct_sigaction;
+
+   SA_SIGINFO  : constant := 16#02#;
+
+   SA_ONSTACK : constant := 16#00#;
+   --  SA_ONSTACK is not defined on RTEMS, but it is referred to in the POSIX
+   --  implementation of System.Interrupt_Management. Therefore we define a
+   --  dummy value of zero here so that setting this flag is a nop.
+
+   SIG_BLOCK   : constant := 1;
+   SIG_UNBLOCK : constant := 2;
+   SIG_SETMASK : constant := 3;
+
+   SIG_DFL : constant := 0;
+   SIG_IGN : constant := 1;
+
+   function sigaction
+     (sig  : Signal;
+      act  : struct_sigaction_ptr;
+      oact : struct_sigaction_ptr) return int;
+   pragma Import (C, sigaction, "sigaction");
+
+   ----------
+   -- Time --
+   ----------
+
+   Time_Slice_Supported : constant Boolean := True;
+   --  Indicates whether time slicing is supported (i.e SCHED_RR is supported)
+
+   type timespec is private;
+
+   type clockid_t is private;
+
+   CLOCK_REALTIME : constant clockid_t;
+
+   function clock_gettime
+     (clock_id : clockid_t;
+      tp       : access timespec) return int;
+   pragma Import (C, clock_gettime, "clock_gettime");
+
+   function To_Duration (TS : timespec) return Duration;
+   pragma Inline (To_Duration);
+
+   function To_Timespec (D : Duration) return timespec;
+   pragma Inline (To_Timespec);
+
+   -------------------------
+   -- Priority Scheduling --
+   -------------------------
+
+   SCHED_FIFO  : constant := 1;
+   SCHED_RR    : constant := 2;
+   SCHED_OTHER : constant := 0;
+
+   function To_Target_Priority
+     (Prio : System.Any_Priority) return Interfaces.C.int;
+   --  Maps System.Any_Priority to a POSIX priority
+
+   -------------
+   -- Process --
+   -------------
+
+   type pid_t is private;
+
+   function kill (pid : pid_t; sig : Signal) return int;
+   pragma Import (C, kill, "kill");
+
+   function getpid return pid_t;
+   pragma Import (C, getpid, "getpid");
+
+   ---------
+   -- LWP --
+   ---------
+
+   function lwp_self return System.Address;
+   --  lwp_self does not exist on this thread library, revert to pthread_self
+   --  which is the closest approximation (with getpid). This function is
+   --  needed to share 7staprop.adb across POSIX-like targets.
+   pragma Import (C, lwp_self, "pthread_self");
+
+   -------------
+   -- Threads --
+   -------------
+
+   type Thread_Body is access
+     function (arg : System.Address) return System.Address;
+   pragma Convention (C, Thread_Body);
+
+   type pthread_t           is private;
+   subtype Thread_Id        is pthread_t;
+
+   type pthread_mutex_t     is limited private;
+   type pthread_cond_t      is limited private;
+   type pthread_attr_t      is limited private;
+   type pthread_mutexattr_t is limited private;
+   type pthread_condattr_t  is limited private;
+   type pthread_key_t       is private;
+
+   No_Key : constant pthread_key_t;
+
+   PTHREAD_CREATE_DETACHED : constant := 0;
+
+   PTHREAD_SCOPE_PROCESS : constant := 0;
+   PTHREAD_SCOPE_SYSTEM  : constant := 1;
+
+   -----------
+   -- Stack --
+   -----------
+
+   type stack_t is record
+      ss_sp    : System.Address;
+      ss_flags : int;
+      ss_size  : size_t;
+   end record;
+   pragma Convention (C, stack_t);
+
+   function sigaltstack
+     (ss  : not null access stack_t;
+      oss : access stack_t) return int;
+
+   Alternate_Stack : aliased System.Address;
+   --  This is a dummy definition, never used (Alternate_Stack_Size is null)
+
+   Alternate_Stack_Size : constant := 0;
+   --  No alternate signal stack is used on this platform
+
+   Stack_Base_Available : constant Boolean := False;
+   --  Indicates whether the stack base is available on this target.
+   --  This allows us to share s-osinte.adb between all the FSU/RTEMS
+   --  run time.
+   --  Note that this value can only be true if pthread_t has a complete
+   --  definition that corresponds exactly to the C header files.
+
+   function Get_Stack_Base (thread : pthread_t) return Address;
+   pragma Inline (Get_Stack_Base);
+   --  returns the stack base of the specified thread.
+   --  Only call this function when Stack_Base_Available is True.
+
+   --  These two functions are only needed to share s-taprop.adb with
+   --  FSU threads.
+
+   function Get_Page_Size return size_t;
+   function Get_Page_Size return Address;
+   pragma Import (C, Get_Page_Size, "getpagesize");
+   --  Returns the size of a page
+
+   PROT_ON  : constant := 0;
+   PROT_OFF : constant := 0;
+
+   function mprotect (addr : Address; len : size_t; prot : int) return int;
+   pragma Import (C, mprotect);
+
+   -----------------------------------------
+   --  Nonstandard Thread Initialization  --
+   -----------------------------------------
+
+   procedure pthread_init;
+   --  FSU_THREADS requires pthread_init, which is nonstandard
+   --  and this should be invoked during the elaboration of s-taprop.adb
+   --
+   --  RTEMS does not require this so we provide an empty Ada body.
+
+   -------------------------
+   -- POSIX.1c  Section 3 --
+   -------------------------
+
+   function sigwait
+     (set : access sigset_t;
+      sig : access Signal) return int;
+   pragma Import (C, sigwait, "sigwait");
+
+   function pthread_kill
+     (thread : pthread_t;
+      sig    : Signal) return int;
+   pragma Import (C, pthread_kill, "pthread_kill");
+
+   function pthread_sigmask
+     (how  : int;
+      set  : access sigset_t;
+      oset : access sigset_t) return int;
+   pragma Import (C, pthread_sigmask, "pthread_sigmask");
+
+   ----------------------------
+   --  POSIX.1c  Section 11  --
+   ----------------------------
+
+   function pthread_mutexattr_init
+     (attr : access pthread_mutexattr_t) return int;
+   pragma Import (C, pthread_mutexattr_init, "pthread_mutexattr_init");
+
+   function pthread_mutexattr_destroy
+     (attr : access pthread_mutexattr_t) return int;
+   pragma Import (C, pthread_mutexattr_destroy, "pthread_mutexattr_destroy");
+
+   function pthread_mutex_init
+     (mutex : access pthread_mutex_t;
+      attr  : access pthread_mutexattr_t) return int;
+   pragma Import (C, pthread_mutex_init, "pthread_mutex_init");
+
+   function pthread_mutex_destroy (mutex : access pthread_mutex_t) return int;
+   pragma Import (C, pthread_mutex_destroy, "pthread_mutex_destroy");
+
+   function pthread_mutex_lock (mutex : access pthread_mutex_t) return int;
+   pragma Import (C, pthread_mutex_lock, "pthread_mutex_lock");
+
+   function pthread_mutex_unlock (mutex : access pthread_mutex_t) return int;
+   pragma Import (C, pthread_mutex_unlock, "pthread_mutex_unlock");
+
+   function pthread_condattr_init
+     (attr : access pthread_condattr_t) return int;
+   pragma Import (C, pthread_condattr_init, "pthread_condattr_init");
+
+   function pthread_condattr_destroy
+     (attr : access pthread_condattr_t) return int;
+   pragma Import (C, pthread_condattr_destroy, "pthread_condattr_destroy");
+
+   function pthread_cond_init
+     (cond : access pthread_cond_t;
+      attr : access pthread_condattr_t) return int;
+   pragma Import (C, pthread_cond_init, "pthread_cond_init");
+
+   function pthread_cond_destroy (cond : access pthread_cond_t) return int;
+   pragma Import (C, pthread_cond_destroy, "pthread_cond_destroy");
+
+   function pthread_cond_signal (cond : access pthread_cond_t) return int;
+   pragma Import (C, pthread_cond_signal, "pthread_cond_signal");
+
+   function pthread_cond_wait
+     (cond  : access pthread_cond_t;
+      mutex : access pthread_mutex_t) return int;
+   pragma Import (C, pthread_cond_wait, "pthread_cond_wait");
+
+   function pthread_cond_timedwait
+     (cond    : access pthread_cond_t;
+      mutex   : access pthread_mutex_t;
+      abstime : access timespec) return int;
+   pragma Import (C, pthread_cond_timedwait, "pthread_cond_timedwait");
+
+   Relative_Timed_Wait : constant Boolean := False;
+   --  pthread_cond_timedwait requires an absolute delay time
+
+   --------------------------
+   -- POSIX.1c  Section 13 --
+   --------------------------
+
+   PTHREAD_PRIO_NONE    : constant := 0;
+   PTHREAD_PRIO_PROTECT : constant := 2;
+   PTHREAD_PRIO_INHERIT : constant := 1;
+
+   function pthread_mutexattr_setprotocol
+     (attr     : access pthread_mutexattr_t;
+      protocol : int) return int;
+   pragma Import (C, pthread_mutexattr_setprotocol);
+
+   function pthread_mutexattr_setprioceiling
+     (attr     : access pthread_mutexattr_t;
+      prioceiling : int) return int;
+   pragma Import
+     (C, pthread_mutexattr_setprioceiling,
+      "pthread_mutexattr_setprioceiling");
+
+   type struct_sched_param is record
+      sched_priority      : int;
+      ss_low_priority     : int;
+      ss_replenish_period : timespec;
+      ss_initial_budget   : timespec;
+   end record;
+   pragma Convention (C, struct_sched_param);
+
+   function pthread_setschedparam
+     (thread : pthread_t;
+      policy : int;
+      param  : access struct_sched_param) return int;
+   pragma Import (C, pthread_setschedparam, "pthread_setschedparam");
+
+   function pthread_attr_setscope
+     (attr            : access pthread_attr_t;
+      contentionscope : int) return int;
+   pragma Import (C, pthread_attr_setscope, "pthread_attr_setscope");
+
+   function pthread_attr_setinheritsched
+     (attr         : access pthread_attr_t;
+      inheritsched : int) return int;
+   pragma Import (C, pthread_attr_setinheritsched);
+
+   function pthread_attr_setschedpolicy
+     (attr   : access pthread_attr_t;
+      policy : int) return int;
+   pragma Import (C, pthread_attr_setschedpolicy);
+
+   function pthread_attr_setschedparam
+     (attr        : access pthread_attr_t;
+      sched_param : int) return int;
+   pragma Import (C, pthread_attr_setschedparam);
+
+   function sched_yield return int;
+   pragma Import (C, sched_yield, "sched_yield");
+
+   ---------------------------
+   -- P1003.1c - Section 16 --
+   ---------------------------
+
+   function pthread_attr_init (attributes : access pthread_attr_t) return int;
+   pragma Import (C, pthread_attr_init, "pthread_attr_init");
+
+   function pthread_attr_destroy
+     (attributes : access pthread_attr_t) return int;
+   pragma Import (C, pthread_attr_destroy, "pthread_attr_destroy");
+
+   function pthread_attr_setdetachstate
+     (attr        : access pthread_attr_t;
+      detachstate : int) return int;
+   pragma Import (C, pthread_attr_setdetachstate);
+
+   function pthread_attr_setstacksize
+     (attr      : access pthread_attr_t;
+      stacksize : size_t) return int;
+   pragma Import (C, pthread_attr_setstacksize, "pthread_attr_setstacksize");
+
+   function pthread_create
+     (thread        : access pthread_t;
+      attributes    : access pthread_attr_t;
+      start_routine : Thread_Body;
+      arg           : System.Address) return int;
+   pragma Import (C, pthread_create, "pthread_create");
+
+   procedure pthread_exit (status : System.Address);
+   pragma Import (C, pthread_exit, "pthread_exit");
+
+   function pthread_self return pthread_t;
+   pragma Import (C, pthread_self, "pthread_self");
+
+   --------------------------
+   -- POSIX.1c  Section 17 --
+   --------------------------
+
+   function pthread_setspecific
+     (key   : pthread_key_t;
+      value : System.Address) return int;
+   pragma Import (C, pthread_setspecific, "pthread_setspecific");
+
+   function pthread_getspecific (key : pthread_key_t) return System.Address;
+   pragma Import (C, pthread_getspecific, "pthread_getspecific");
+
+   type destructor_pointer is access procedure (arg : System.Address);
+   pragma Convention (C, destructor_pointer);
+
+   function pthread_key_create
+     (key        : access pthread_key_t;
+      destructor : destructor_pointer) return int;
+   pragma Import (C, pthread_key_create, "pthread_key_create");
+
+   ------------------------------------------------------------
+   --   Binary Semaphore Wrapper to Support Interrupt Tasks  --
+   ------------------------------------------------------------
+
+   type Binary_Semaphore_Id is new rtems_id;
+
+   function Binary_Semaphore_Create return Binary_Semaphore_Id;
+   pragma Import (
+      C,
+      Binary_Semaphore_Create,
+      "__gnat_binary_semaphore_create");
+
+   function Binary_Semaphore_Delete (ID : Binary_Semaphore_Id) return int;
+   pragma Import (
+      C,
+      Binary_Semaphore_Delete,
+      "__gnat_binary_semaphore_delete");
+
+   function Binary_Semaphore_Obtain (ID : Binary_Semaphore_Id) return int;
+   pragma Import (
+      C,
+      Binary_Semaphore_Obtain,
+      "__gnat_binary_semaphore_obtain");
+
+   function Binary_Semaphore_Release (ID : Binary_Semaphore_Id) return int;
+   pragma Import (
+      C,
+      Binary_Semaphore_Release,
+      "__gnat_binary_semaphore_release");
+
+   function Binary_Semaphore_Flush (ID : Binary_Semaphore_Id) return int;
+   pragma Import (
+      C,
+      Binary_Semaphore_Flush,
+      "__gnat_binary_semaphore_flush");
+
+   ------------------------------------------------------------
+   -- Hardware Interrupt Wrappers to Support Interrupt Tasks --
+   ------------------------------------------------------------
+
+   type Interrupt_Handler is access procedure (parameter : System.Address);
+   pragma Convention (C, Interrupt_Handler);
+   type Interrupt_Vector is new System.Address;
+
+   function Interrupt_Connect
+     (vector    : Interrupt_Vector;
+      handler   : Interrupt_Handler;
+      parameter : System.Address := System.Null_Address) return int;
+   pragma Import (C, Interrupt_Connect, "__gnat_interrupt_connect");
+   --  Use this to set up an user handler. The routine installs a
+   --  a user handler which is invoked after RTEMS has saved enough
+   --  context for a high-level language routine to be safely invoked.
+
+   function Interrupt_Vector_Get
+     (Vector : Interrupt_Vector) return Interrupt_Handler;
+   pragma Import (C, Interrupt_Vector_Get, "__gnat_interrupt_get");
+   --  Use this to get the existing handler for later restoral.
+
+   procedure Interrupt_Vector_Set
+     (Vector  : Interrupt_Vector;
+      Handler : Interrupt_Handler);
+   pragma Import (C, Interrupt_Vector_Set, "__gnat_interrupt_set");
+   --  Use this to restore a handler obtained using Interrupt_Vector_Get.
+
+   function Interrupt_Number_To_Vector (intNum : int) return Interrupt_Vector;
+   --  Convert a logical interrupt number to the hardware interrupt vector
+   --  number used to connect the interrupt.
+   pragma Import (
+      C,
+      Interrupt_Number_To_Vector,
+      "__gnat_interrupt_number_to_vector"
+   );
+
+private
+
+   type sigset_t is new int;
+
+   type pid_t is new int;
+
+   type time_t is new long;
+
+   type timespec is record
+      tv_sec  : time_t;
+      tv_nsec : long;
+   end record;
+   pragma Convention (C, timespec);
+
+   type clockid_t is new rtems_id;
+   CLOCK_REALTIME : constant clockid_t := 1;
+
+   type pthread_attr_t is record
+      is_initialized  : int;
+      stackaddr       : System.Address;
+      stacksize       : int;
+      contentionscope : int;
+      inheritsched    : int;
+      schedpolicy     : int;
+      schedparam      : struct_sched_param;
+      cputime_clocked_allowed : int;
+      detatchstate    : int;
+   end record;
+   pragma Convention (C, pthread_attr_t);
+
+   type pthread_condattr_t is record
+      flags           : int;
+      process_shared  : int;
+   end record;
+   pragma Convention (C, pthread_condattr_t);
+
+   type pthread_mutexattr_t is record
+      is_initialized  : int;
+      process_shared  : int;
+      prio_ceiling    : int;
+      protocol        : int;
+      mutex_type      : int;
+      recursive       : int;
+   end record;
+   pragma Convention (C, pthread_mutexattr_t);
+
+   type pthread_t is new rtems_id;
+
+   type pthread_mutex_t is new rtems_id;
+
+   type pthread_cond_t is new rtems_id;
+
+   type pthread_key_t is new rtems_id;
+
+   No_Key : constant pthread_key_t := 0;
+
+end System.OS_Interface;