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diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
new file mode 100644
index 000000000..19ce7fe40
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
@@ -0,0 +1,420 @@
+/* Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _LOWLEVELLOCK_H
+#define _LOWLEVELLOCK_H 1
+
+#ifndef __ASSEMBLER__
+#include <time.h>
+#include <sys/param.h>
+#include <bits/pthreadtypes.h>
+#include <bits/kernel-features.h>
+#endif
+
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+#define FUTEX_CMP_REQUEUE 4
+#define FUTEX_WAKE_OP 5
+#define FUTEX_LOCK_PI 6
+#define FUTEX_UNLOCK_PI 7
+#define FUTEX_TRYLOCK_PI 8
+#define FUTEX_WAIT_BITSET 9
+#define FUTEX_WAKE_BITSET 10
+#define FUTEX_PRIVATE_FLAG 128
+#define FUTEX_CLOCK_REALTIME 256
+
+#define FUTEX_BITSET_MATCH_ANY 0xffffffff
+
+#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1)
+
+/* Values for 'private' parameter of locking macros. Yes, the
+ definition seems to be backwards. But it is not. The bit will be
+ reversed before passing to the system call. */
+#define LLL_PRIVATE 0
+#define LLL_SHARED FUTEX_PRIVATE_FLAG
+
+
+#if !defined NOT_IN_libc || defined IS_IN_rtld
+/* In libc.so or ld.so all futexes are private. */
+# ifdef __ASSUME_PRIVATE_FUTEX
+# define __lll_private_flag(fl, private) \
+ ((fl) | FUTEX_PRIVATE_FLAG)
+# else
+# define __lll_private_flag(fl, private) \
+ ((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex))
+# endif
+#else
+# ifdef __ASSUME_PRIVATE_FUTEX
+# define __lll_private_flag(fl, private) \
+ (((fl) | FUTEX_PRIVATE_FLAG) ^ (private))
+# else
+# define __lll_private_flag(fl, private) \
+ (__builtin_constant_p (private) \
+ ? ((private) == 0 \
+ ? ((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex)) \
+ : (fl)) \
+ : ((fl) | (((private) ^ FUTEX_PRIVATE_FLAG) \
+ & THREAD_GETMEM (THREAD_SELF, header.private_futex))))
+# endif
+#endif
+
+#ifndef __ASSEMBLER__
+
+/* Initializer for compatibility lock. */
+#define LLL_LOCK_INITIALIZER (0)
+#define LLL_LOCK_INITIALIZER_LOCKED (1)
+#define LLL_LOCK_INITIALIZER_WAITERS (2)
+
+extern int __lll_lock_wait_private (int val, int *__futex)
+ attribute_hidden;
+extern int __lll_lock_wait (int val, int *__futex, int private)
+ attribute_hidden;
+extern int __lll_timedlock_wait (int val, int *__futex,
+ const struct timespec *abstime, int private)
+ attribute_hidden;
+extern int __lll_robust_lock_wait (int val, int *__futex, int private)
+ attribute_hidden;
+extern int __lll_robust_timedlock_wait (int val, int *__futex,
+ const struct timespec *abstime,
+ int private)
+ attribute_hidden;
+extern int __lll_unlock_wake_private (int *__futex) attribute_hidden;
+extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
+
+#define lll_trylock(futex) \
+ ({ unsigned char __result; \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%1,r2\n\
+ cmp/eq r2,%3\n\
+ bf 1f\n\
+ mov.l %2,@%1\n\
+ 1: mov r1,r15\n\
+ mov #-1,%0\n\
+ negc %0,%0"\
+ : "=r" (__result) \
+ : "r" (&(futex)), \
+ "r" (LLL_LOCK_INITIALIZER_LOCKED), \
+ "r" (LLL_LOCK_INITIALIZER) \
+ : "r0", "r1", "r2", "t", "memory"); \
+ __result; })
+
+#define lll_robust_trylock(futex, id) \
+ ({ unsigned char __result; \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%1,r2\n\
+ cmp/eq r2,%3\n\
+ bf 1f\n\
+ mov.l %2,@%1\n\
+ 1: mov r1,r15\n\
+ mov #-1,%0\n\
+ negc %0,%0"\
+ : "=r" (__result) \
+ : "r" (&(futex)), \
+ "r" (id), \
+ "r" (LLL_LOCK_INITIALIZER) \
+ : "r0", "r1", "r2", "t", "memory"); \
+ __result; })
+
+#define lll_cond_trylock(futex) \
+ ({ unsigned char __result; \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%1,r2\n\
+ cmp/eq r2,%3\n\
+ bf 1f\n\
+ mov.l %2,@%1\n\
+ 1: mov r1,r15\n\
+ mov #-1,%0\n\
+ negc %0,%0"\
+ : "=r" (__result) \
+ : "r" (&(futex)), \
+ "r" (LLL_LOCK_INITIALIZER_WAITERS), \
+ "r" (LLL_LOCK_INITIALIZER) \
+ : "r0", "r1", "r2", "t", "memory"); \
+ __result; })
+
+#define lll_lock(futex, private) \
+ (void) ({ int __result, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%2,%0\n\
+ tst %0,%0\n\
+ bf 1f\n\
+ mov.l %1,@%2\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (1), "r" (__futex) \
+ : "r0", "r1", "t", "memory"); \
+ if (__result) \
+ { \
+ if (__builtin_constant_p (private) \
+ && (private) == LLL_PRIVATE) \
+ __lll_lock_wait_private (__result, __futex); \
+ else \
+ __lll_lock_wait (__result, __futex, (private)); \
+ } \
+ })
+
+#define lll_robust_lock(futex, id, private) \
+ ({ int __result, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%2,%0\n\
+ tst %0,%0\n\
+ bf 1f\n\
+ mov.l %1,@%2\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (id), "r" (__futex) \
+ : "r0", "r1", "t", "memory"); \
+ if (__result) \
+ __result = __lll_robust_lock_wait (__result, __futex, private); \
+ __result; })
+
+/* Special version of lll_mutex_lock which causes the unlock function to
+ always wakeup waiters. */
+#define lll_cond_lock(futex, private) \
+ (void) ({ int __result, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%2,%0\n\
+ tst %0,%0\n\
+ bf 1f\n\
+ mov.l %1,@%2\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (2), "r" (__futex) \
+ : "r0", "r1", "t", "memory"); \
+ if (__result) \
+ __lll_lock_wait (__result, __futex, private); })
+
+#define lll_robust_cond_lock(futex, id, private) \
+ ({ int __result, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%2,%0\n\
+ tst %0,%0\n\
+ bf 1f\n\
+ mov.l %1,@%2\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (id | FUTEX_WAITERS), "r" (__futex) \
+ : "r0", "r1", "t", "memory"); \
+ if (__result) \
+ __result = __lll_robust_lock_wait (__result, __futex, private); \
+ __result; })
+
+#define lll_timedlock(futex, timeout, private) \
+ ({ int __result, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%2,%0\n\
+ tst %0,%0\n\
+ bf 1f\n\
+ mov.l %1,@%2\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (1), "r" (__futex) \
+ : "r0", "r1", "t", "memory"); \
+ if (__result) \
+ __result = __lll_timedlock_wait (__result, __futex, timeout, private); \
+ __result; })
+
+#define lll_robust_timedlock(futex, timeout, id, private) \
+ ({ int __result, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ nop\n\
+ mov r15,r1\n\
+ mov #-8,r15\n\
+ 0: mov.l @%2,%0\n\
+ tst %0,%0\n\
+ bf 1f\n\
+ mov.l %1,@%2\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (id), "r" (__futex) \
+ : "r0", "r1", "t", "memory"); \
+ if (__result) \
+ __result = __lll_robust_timedlock_wait (__result, __futex, \
+ timeout, private); \
+ __result; })
+
+#define lll_unlock(futex, private) \
+ (void) ({ int __result, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ mov r15,r1\n\
+ mov #-6,r15\n\
+ 0: mov.l @%1,%0\n\
+ add #-1,%0\n\
+ mov.l %0,@%1\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (__futex) \
+ : "r0", "r1", "memory"); \
+ if (__result) \
+ { \
+ if (__builtin_constant_p (private) \
+ && (private) == LLL_PRIVATE) \
+ __lll_unlock_wake_private (__futex); \
+ else \
+ __lll_unlock_wake (__futex, (private)); \
+ } \
+ })
+
+#define lll_robust_unlock(futex, private) \
+ (void) ({ int __result, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ mov r15,r1\n\
+ mov #-6,r15\n\
+ 0: mov.l @%1,%0\n\
+ and %2,%0\n\
+ mov.l %0,@%1\n\
+ 1: mov r1,r15"\
+ : "=&r" (__result) : "r" (__futex), "r" (FUTEX_WAITERS) \
+ : "r0", "r1", "memory"); \
+ if (__result) \
+ __lll_unlock_wake (__futex, private); })
+
+#define lll_robust_dead(futex, private) \
+ (void) ({ int __ignore, *__futex = &(futex); \
+ __asm __volatile ("\
+ .align 2\n\
+ mova 1f,r0\n\
+ mov r15,r1\n\
+ mov #-6,r15\n\
+ 0: mov.l @%1,%0\n\
+ or %2,%0\n\
+ mov.l %0,@%1\n\
+ 1: mov r1,r15"\
+ : "=&r" (__ignore) : "r" (__futex), "r" (FUTEX_OWNER_DIED) \
+ : "r0", "r1", "memory"); \
+ lll_futex_wake (__futex, 1, private); })
+
+# ifdef NEED_SYSCALL_INST_PAD
+# define SYSCALL_WITH_INST_PAD "\
+ trapa #0x14; or r0,r0; or r0,r0; or r0,r0; or r0,r0; or r0,r0"
+# else
+# define SYSCALL_WITH_INST_PAD "\
+ trapa #0x14"
+# endif
+
+#define lll_futex_wait(futex, val, private) \
+ lll_futex_timed_wait (futex, val, NULL, private)
+
+
+#define lll_futex_timed_wait(futex, val, timeout, private) \
+ ({ \
+ int __status; \
+ register unsigned long __r3 __asm ("r3") = SYS_futex; \
+ register unsigned long __r4 __asm ("r4") = (unsigned long) (futex); \
+ register unsigned long __r5 __asm ("r5") \
+ = __lll_private_flag (FUTEX_WAIT, private); \
+ register unsigned long __r6 __asm ("r6") = (unsigned long) (val); \
+ register unsigned long __r7 __asm ("r7") = (timeout); \
+ __asm __volatile (SYSCALL_WITH_INST_PAD \
+ : "=z" (__status) \
+ : "r" (__r3), "r" (__r4), "r" (__r5), \
+ "r" (__r6), "r" (__r7) \
+ : "memory", "t"); \
+ __status; \
+ })
+
+
+#define lll_futex_wake(futex, nr, private) \
+ do { \
+ int __ignore; \
+ register unsigned long __r3 __asm ("r3") = SYS_futex; \
+ register unsigned long __r4 __asm ("r4") = (unsigned long) (futex); \
+ register unsigned long __r5 __asm ("r5") \
+ = __lll_private_flag (FUTEX_WAKE, private); \
+ register unsigned long __r6 __asm ("r6") = (unsigned long) (nr); \
+ register unsigned long __r7 __asm ("r7") = 0; \
+ __asm __volatile (SYSCALL_WITH_INST_PAD \
+ : "=z" (__ignore) \
+ : "r" (__r3), "r" (__r4), "r" (__r5), \
+ "r" (__r6), "r" (__r7) \
+ : "memory", "t"); \
+ } while (0)
+
+
+#define lll_islocked(futex) \
+ (futex != LLL_LOCK_INITIALIZER)
+
+/* The kernel notifies a process with uses CLONE_CLEARTID via futex
+ wakeup when the clone terminates. The memory location contains the
+ thread ID while the clone is running and is reset to zero
+ afterwards. */
+
+#define lll_wait_tid(tid) \
+ do { \
+ __typeof (tid) *__tid = &(tid); \
+ while (*__tid != 0) \
+ lll_futex_wait (__tid, *__tid, LLL_SHARED); \
+ } while (0)
+
+extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
+ attribute_hidden;
+#define lll_timedwait_tid(tid, abstime) \
+ ({ \
+ int __result = 0; \
+ if (tid != 0) \
+ { \
+ if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) \
+ __result = EINVAL; \
+ else \
+ __result = __lll_timedwait_tid (&tid, abstime); \
+ } \
+ __result; })
+
+#endif /* !__ASSEMBLER__ */
+
+#endif /* lowlevellock.h */
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