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Diffstat (limited to 'gcc-4.4.3/gcc/ada/s-osinte-tru64.adb')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/s-osinte-tru64.adb | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/gcc-4.4.3/gcc/ada/s-osinte-tru64.adb b/gcc-4.4.3/gcc/ada/s-osinte-tru64.adb deleted file mode 100644 index 8252107a3..000000000 --- a/gcc-4.4.3/gcc/ada/s-osinte-tru64.adb +++ /dev/null @@ -1,143 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- --- -- --- S Y S T E M . O S _ I N T E R F A C E -- --- -- --- B o d y -- --- -- --- Copyright (C) 1998-2009, 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. -- --- -- ------------------------------------------------------------------------------- - --- This is the DEC Unix version of this package - --- This package encapsulates all direct interfaces to OS services --- that are needed by children of System. - -pragma Polling (Off); --- Turn off polling, we do not want ATC polling to take place during --- tasking operations. It causes infinite loops and other problems. - -with Interfaces.C; use Interfaces.C; -with System.Machine_Code; use System.Machine_Code; - -package body System.OS_Interface is - - -------------------- - -- Get_Stack_Base -- - -------------------- - - function Get_Stack_Base (thread : pthread_t) return Address is - pragma Unreferenced (thread); - begin - return Null_Address; - end Get_Stack_Base; - - ------------------ - -- pthread_init -- - ------------------ - - procedure pthread_init is - begin - null; - end pthread_init; - - ------------------ - -- pthread_self -- - ------------------ - - function pthread_self return pthread_t is - Self : pthread_t; - begin - Asm ("call_pal 0x9e" & ASCII.LF & ASCII.HT & - "bis $31, $0, %0", - Outputs => pthread_t'Asm_Output ("=r", Self), - Clobber => "$0", - Volatile => True); - return Self; - end pthread_self; - - ---------------------- - -- Hide_Yellow_Zone -- - ---------------------- - - procedure Hide_Unhide_Yellow_Zone (Hide : Boolean) is - type Teb_Ptr is access all pthread_teb_t; - Teb : Teb_Ptr; - Res : Interfaces.C.int; - pragma Unreferenced (Res); - - begin - -- Get the Thread Environment Block address - - Asm ("call_pal 0x9e" & ASCII.LF & ASCII.HT & - "bis $31, $0, %0", - Outputs => Teb_Ptr'Asm_Output ("=r", Teb), - Clobber => "$0", - Volatile => True); - - -- Stick a guard page right above the Yellow Zone if it exists - - if Teb.all.stack_yellow /= Teb.all.stack_guard then - if Hide then - Res := mprotect (Teb.all.stack_yellow, Get_Page_Size, PROT_ON); - else - Res := mprotect (Teb.all.stack_yellow, Get_Page_Size, PROT_OFF); - end if; - end if; - end Hide_Unhide_Yellow_Zone; - - ----------------- - -- To_Duration -- - ----------------- - - function To_Duration (TS : timespec) return Duration is - begin - return Duration (TS.tv_sec) + Duration (TS.tv_nsec) / 10#1#E9; - end To_Duration; - - ----------------- - -- To_Timespec -- - ----------------- - - function To_Timespec (D : Duration) return timespec is - S : time_t; - F : Duration; - - begin - S := time_t (Long_Long_Integer (D)); - F := D - Duration (S); - - -- If F has negative value due to a round-up, adjust for positive F - -- value. - - if F < 0.0 then - S := S - 1; - F := F + 1.0; - end if; - - return timespec'(tv_sec => S, - tv_nsec => long (Long_Long_Integer (F * 10#1#E9))); - end To_Timespec; - -end System.OS_Interface; |