diff options
Diffstat (limited to 'gcc-4.4.3/libgomp/config/linux/mips/futex.h')
-rw-r--r-- | gcc-4.4.3/libgomp/config/linux/mips/futex.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/gcc-4.4.3/libgomp/config/linux/mips/futex.h b/gcc-4.4.3/libgomp/config/linux/mips/futex.h deleted file mode 100644 index fcac71756..000000000 --- a/gcc-4.4.3/libgomp/config/linux/mips/futex.h +++ /dev/null @@ -1,77 +0,0 @@ -/* Copyright (C) 2005, 2008, 2009 Free Software Foundation, Inc. - Contributed by Ilie Garbacea <ilie@mips.com>, Chao-ying Fu <fu@mips.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3, or (at your option) - any later version. - - Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - 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/>. */ - -/* Provide target-specific access to the futex system call. */ - -#include <sys/syscall.h> - -#if !defined(SYS_futex) -#define SYS_futex __NR_futex -#endif - -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 - -static inline void -sys_futex0 (int *addr, int op, int val) -{ - register unsigned long __v0 asm("$2") = (unsigned long) SYS_futex; - register unsigned long __a0 asm("$4") = (unsigned long) addr; - register unsigned long __a1 asm("$5") = (unsigned long) op; - register unsigned long __a2 asm("$6") = (unsigned long) val; - register unsigned long __a3 asm("$7") = 0; - - __asm volatile ("syscall" - /* returns $a3 (errno), $v0 (return value) */ - : "=r" (__v0), "=r" (__a3) - /* arguments in v0 (syscall) a0-a3 */ - : "r" (__v0), "r" (__a0), "r" (__a1), "r" (__a2), "r" (__a3) - /* clobbers at, v1, t0-t9, memory */ - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", "$14", - "$15", "$24", "$25", "memory"); -} - -static inline void -futex_wait (int *addr, int val) -{ - sys_futex0 (addr, FUTEX_WAIT, val); -} - -static inline void -futex_wake (int *addr, int count) -{ - sys_futex0 (addr, FUTEX_WAKE, count); -} - -static inline void -cpu_relax (void) -{ - __asm volatile ("" : : : "memory"); -} - -static inline void -atomic_write_barrier (void) -{ - __sync_synchronize (); -} |