commit 59b40989765ddce33f61999068219c3a28f30d8e
Author: Torvald Riegel <triegel@redhat.com>
Date:   Wed Dec 17 23:28:38 2014 +0100

    sh: Use generic lowlevellock-futex.h.

diff --git a/sysdeps/unix/sysv/linux/sh/lowlevellock.h b/sysdeps/unix/sysv/linux/sh/lowlevellock.h
index 8045846..bba0657 100644
--- a/sysdeps/unix/sysv/linux/sh/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/sh/lowlevellock.h
@@ -25,53 +25,10 @@
 #include <kernel-features.h>
 #endif
 
-#define SYS_futex		240
-#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
-
+#include <lowlevellock-futex.h>
 
-#if IS_IN (libc) || 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
+/* XXX Remove when no assembler code uses futexes anymore.  */
+#define SYS_futex		240
 
 #ifndef __ASSEMBLER__
 
@@ -309,45 +266,6 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
 	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") = (unsigned long) (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)
 
diff --git a/sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h b/sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h
deleted file mode 100644
index 90be7bd..0000000
--- a/sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h
+++ /dev/null
@@ -1,4 +0,0 @@
-/*  4 instruction cycles not accessing cache and TLB are needed after
-    trapa instruction to avoid an SH-4 silicon bug.  */
-#define NEED_SYSCALL_INST_PAD
-#include_next <lowlevellock.h>
