Update.

2003-02-08  kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* sysdeps/sh/Makefile: New file.
	* sysdeps/sh/bits/atomic.h: New file.
	* sysdeps/sh/pthread_spin_init.c: New file.
	* sysdeps/sh/pthread_spin_lock.c: New file.
	* sysdeps/sh/pthread_spin_trylock.S: New file.
	* sysdeps/sh/pthread_spin_unlock.S: New file.
	* sysdeps/sh/pthreaddef.h: New file.
	* sysdeps/sh/tcb-offsets.sym: New file.
	* sysdeps/sh/td_ta_map_lwp2thr.c: New file.
	* sysdeps/sh/tls.h: New file.
	* sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h: New file.
	* sysdeps/unix/sysv/linux/sh/bits/semaphore.h: New file.
	* sysdeps/unix/sysv/linux/sh/createthread.c: New file.
	* sysdeps/unix/sysv/linux/sh/fork.c: New file.
	* sysdeps/unix/sysv/linux/sh/libc-lowlevellock.S: New file.
	* sysdeps/unix/sysv/linux/sh/libc-lowlevelmutex.S: New file.
	* sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h: New file.
	* sysdeps/unix/sysv/linux/sh/lowlevelcond.h: New file.
	* sysdeps/unix/sysv/linux/sh/lowlevellock.S: New file.
	* sysdeps/unix/sysv/linux/sh/lowlevellock.h: New file.
	* sysdeps/unix/sysv/linux/sh/lowlevelmutex.S: New file.
	* sysdeps/unix/sysv/linux/sh/lowlevelrwlock.h: New file.
	* sysdeps/unix/sysv/linux/sh/pt-initfini.c: New file.
	* sysdeps/unix/sysv/linux/sh/pt-vfork.S: New file.
	* sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S: New file.
	* sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S: New file.
	* sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S: New file.
	* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: New file.
	* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: New file.
	* sysdeps/unix/sysv/linux/sh/pthread_once.S: New file.
	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: New file.
	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: New file.
	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: New file.
	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S: New file.
	* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: New file.
	* sysdeps/unix/sysv/linux/sh/sem_post.S: New file.
	* sysdeps/unix/sysv/linux/sh/sem_timedwait.S: New file.
	* sysdeps/unix/sysv/linux/sh/sem_trywait.S: New file.
	* sysdeps/unix/sysv/linux/sh/sem_wait.S: New file.
	* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: New file.

9 files changed, 758 insertions, 0 deletions

diff --git a/nptl/sysdeps/sh/bits/atomic.h b/nptl/sysdeps/sh/bits/atomic.h
new file mode 100644
index 0000000000..de176ca2c5
--- /dev/null
+++ b/nptl/sysdeps/sh/bits/atomic.h
@@ -0,0 +1,405 @@
+/* Copyright (C) 2003 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.  */
+
+#include <stdint.h>
+
+
+typedef int8_t atomic8_t;
+typedef uint8_t uatomic8_t;
+typedef int_fast8_t atomic_fast8_t;
+typedef uint_fast8_t uatomic_fast8_t;
+
+typedef int16_t atomic16_t;
+typedef uint16_t uatomic16_t;
+typedef int_fast16_t atomic_fast16_t;
+typedef uint_fast16_t uatomic_fast16_t;
+
+typedef int32_t atomic32_t;
+typedef uint32_t uatomic32_t;
+typedef int_fast32_t atomic_fast32_t;
+typedef uint_fast32_t uatomic_fast32_t;
+
+typedef int64_t atomic64_t;
+typedef uint64_t uatomic64_t;
+typedef int_fast64_t atomic_fast64_t;
+typedef uint_fast64_t uatomic_fast64_t;
+
+typedef intptr_t atomicptr_t;
+typedef uintptr_t uatomicptr_t;
+typedef intmax_t atomic_max_t;
+typedef uintmax_t uatomic_max_t;
+
+
+#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \
+  ({ unsigned char __result; \
+     __asm __volatile ("\
+	.align 2\n\
+	mova 1f,r0\n\
+	nop\n\
+	mov r15,r1\n\
+	mov #-8,r15\n\
+     0: mov.b @%1,r2\n\
+	cmp/eq r2,%3\n\
+	bf 1f\n\
+	mov.b %2,@%1\n\
+     1: mov r1,r15\n\
+	mov #-1,%0\n\
+	negc %0,%0"\
+	: "=r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     __result; })
+
+#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \
+  ({ unsigned char __result; \
+     __asm __volatile ("\
+	.align 2\n\
+	mova 1f,r0\n\
+	nop\n\
+	mov r15,r1\n\
+	mov #-8,r15\n\
+     0: mov.w @%1,r2\n\
+	cmp/eq r2,%3\n\
+	bf 1f\n\
+	mov.w %2,@%1\n\
+     1: mov r1,r15\n\
+	mov #-1,%0\n\
+	negc %0,%0"\
+	: "=r" (__result) : "r" (mem), "r" (newval), "r" (oldval) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     __result; })
+
+#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \
+  ({ 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" (mem), "r" (newval), "r" (oldval) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     __result; })
+
+/* XXX We do not really need 64-bit compare-and-exchange.  At least
+   not in the moment.  Using it would mean causing portability
+   problems since not many other 32-bit architectures have support for
+   such an operation.  So don't define any code for now.  */
+
+# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \
+  (abort (), 0)
+
+#define atomic_exchange_and_add(mem, value) \
+  ({ __typeof (*mem) __result; \
+     if (sizeof (*mem) == 1) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  mov r15,r1\n\
+	  mov #-6,r15\n\
+       0: mov.b @%2,%0\n\
+	  add %0,%1\n\
+	  mov.b %1,@%2\n\
+       1: mov r1,r15"\
+	: "=&r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
+	: "r0", "r1", "memory"); \
+     else if (sizeof (*mem) == 2) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  mov r15,r1\n\
+	  mov #-6,r15\n\
+       0: mov.w @%2,%0\n\
+	  add %0,%1\n\
+	  mov.w %1,@%2\n\
+       1: mov r1,r15"\
+	: "=&r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
+	: "r0", "r1", "memory"); \
+     else if (sizeof (*mem) == 4) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  mov r15,r1\n\
+	  mov #-6,r15\n\
+       0: mov.l @%2,%0\n\
+	  add %0,%1\n\
+	  mov.l %1,@%2\n\
+       1: mov r1,r15"\
+	: "=&r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
+	: "r0", "r1", "memory"); \
+     else \
+       { \
+	 __typeof (value) addval = (value); \
+	 __typeof (*mem) oldval; \
+	 __typeof (mem) memp = (mem); \
+	 do \
+	   __result = (oldval = *memp) + addval; \
+	 while (!__arch_compare_and_exchange_64_acq (memp, __result, oldval));\
+	 (void) addval; \
+       } \
+     __result; })
+
+#define atomic_add(mem, value) \
+  (void) ({ if (sizeof (*mem) == 1) \
+	      __asm __volatile ("\
+		.align 2\n\
+		mova 1f,r0\n\
+		mov r15,r1\n\
+		mov #-6,r15\n\
+	     0: mov.b @%1,r2\n\
+		add r2,%0\n\
+		mov.b %0,@%1\n\
+	     1: mov r1,r15"\
+		: "=&r" (value) : "r" (mem), "0" (value) \
+		: "r0", "r1", "r2", "memory"); \
+	    else if (sizeof (*mem) == 2) \
+	      __asm __volatile ("\
+		.align 2\n\
+		mova 1f,r0\n\
+		mov r15,r1\n\
+		mov #-6,r15\n\
+	     0: mov.w @%1,r2\n\
+		add r2,%0\n\
+		mov.w %0,@%1\n\
+	     1: mov r1,r15"\
+		: "=&r" (value) : "r" (mem), "0" (value) \
+		: "r0", "r1", "r2", "memory"); \
+	    else if (sizeof (*mem) == 4) \
+	      __asm __volatile ("\
+		.align 2\n\
+		mova 1f,r0\n\
+		mov r15,r1\n\
+		mov #-6,r15\n\
+	     0: mov.l @%1,r2\n\
+		add r2,%0\n\
+		mov.l %0,@%1\n\
+	     1: mov r1,r15"\
+		: "=&r" (value) : "r" (mem), "0" (value) \
+		: "r0", "r1", "r2", "memory"); \
+	    else \
+	      { \
+		__typeof (value) addval = (value); \
+		__typeof (*mem) oldval; \
+		__typeof (mem) memp = (mem); \
+		do \
+		  oldval = *memp; \
+		while (! __arch_compare_and_exchange_64_acq (memp, \
+							     oldval + addval, \
+							     oldval)); \
+		(void) addval; \
+	      } \
+	    })
+
+#define atomic_add_negative(mem, value) \
+  ({ unsigned char __result; \
+     if (sizeof (*mem) == 1) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  mov r15,r1\n\
+	  mov #-6,r15\n\
+       0: mov.b @%2,r2\n\
+	  add r2,%1\n\
+	  mov.b %1,@%2\n\
+       1: mov r1,r15\n\
+	  shal %1\n\
+	  movt %0"\
+	: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     else if (sizeof (*mem) == 2) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  mov r15,r1\n\
+	  mov #-6,r15\n\
+       0: mov.w @%2,r2\n\
+	  add r2,%1\n\
+	  mov.w %1,@%2\n\
+       1: mov r1,r15\n\
+	  shal %1\n\
+	  movt %0"\
+	: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     else if (sizeof (*mem) == 4) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  mov r15,r1\n\
+	  mov #-6,r15\n\
+       0: mov.l @%2,r2\n\
+	  add r2,%1\n\
+	  mov.l %1,@%2\n\
+       1: mov r1,r15\n\
+	  shal %1\n\
+	  movt %0"\
+	: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     else \
+       abort (); \
+     __result; })
+
+#define atomic_add_zero(mem, value) \
+  ({ unsigned char __result; \
+     if (sizeof (*mem) == 1) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  mov r15,r1\n\
+	  mov #-6,r15\n\
+       0: mov.b @%2,r2\n\
+	  add r2,%1\n\
+	  mov.b %1,@%2\n\
+       1: mov r1,r15\n\
+	  tst %1,%1\n\
+	  movt %0"\
+	: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     else if (sizeof (*mem) == 2) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  mov r15,r1\n\
+	  mov #-6,r15\n\
+       0: mov.w @%2,r2\n\
+	  add r2,%1\n\
+	  mov.w %1,@%2\n\
+       1: mov r1,r15\n\
+	  tst %1,%1\n\
+	  movt %0"\
+	: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     else if (sizeof (*mem) == 4) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  mov r15,r1\n\
+	  mov #-6,r15\n\
+       0: mov.l @%2,r2\n\
+	  add r2,%1\n\
+	  mov.l %1,@%2\n\
+       1: mov r1,r15\n\
+	  tst %1,%1\n\
+	  movt %0"\
+	: "=r" (__result), "=&r" (value) : "r" (mem), "1" (value) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     else \
+       abort (); \
+     __result; })
+
+#define atomic_increment_and_test(mem) atomic_add_zero((mem), 1)
+#define atomic_decrement_and_test(mem) atomic_add_zero((mem), -1)
+
+#define atomic_bit_set(mem, bit) \
+  (void) ({ unsigned int __mask = 1 << (bit); \
+	    if (sizeof (*mem) == 1) \
+	      __asm __volatile ("\
+		.align 2\n\
+		mova 1f,r0\n\
+		mov r15,r1\n\
+		mov #-6,r15\n\
+	     0: mov.b @%0,r2\n\
+		or %1,r2\n\
+		mov.b r2,@%0\n\
+	     1: mov r1,r15"\
+		: : "r" (mem), "r" (__mask) \
+		: "r0", "r1", "r2", "memory"); \
+	    else if (sizeof (*mem) == 2) \
+	      __asm __volatile ("\
+		.align 2\n\
+		mova 1f,r0\n\
+		mov r15,r1\n\
+		mov #-6,r15\n\
+	     0: mov.w @%0,r2\n\
+		or %1,r2\n\
+		mov.w r2,@%0\n\
+	     1: mov r1,r15"\
+		: : "r" (mem), "r" (__mask) \
+		: "r0", "r1", "r2", "memory"); \
+	    else if (sizeof (*mem) == 4) \
+	      __asm __volatile ("\
+		.align 2\n\
+		mova 1f,r0\n\
+		mov r15,r1\n\
+		mov #-6,r15\n\
+	     0: mov.l @%0,r2\n\
+		or %1,r2\n\
+		mov.l r2,@%0\n\
+	     1: mov r1,r15"\
+		: : "r" (mem), "r" (__mask) \
+		: "r0", "r1", "r2", "memory"); \
+	    else \
+	      abort (); \
+	    })
+
+#define atomic_bit_test_set(mem, bit) \
+  ({ unsigned int __mask = 1 << (bit); \
+     unsigned int __result = __mask; \
+     if (sizeof (*mem) == 1) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  nop\n\
+	  mov r15,r1\n\
+	  mov #-8,r15\n\
+       0: mov.b @%2,r2\n\
+	  or r2,%1\n\
+	  and r2,%0\n\
+	  mov.b %1,@%2\n\
+       1: mov r1,r15"\
+	: "=&r" (__result), "=&r" (__mask) \
+	: "r" (mem), "0" (__result), "1" (__mask) \
+	: "r0", "r1", "r2", "memory"); \
+     else if (sizeof (*mem) == 2) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  nop\n\
+	  mov r15,r1\n\
+	  mov #-8,r15\n\
+       0: mov.w @%2,r2\n\
+	  or r2,%1\n\
+	  and r2,%0\n\
+	  mov.w %1,@%2\n\
+       1: mov r1,r15"\
+	: "=&r" (__result), "=&r" (__mask) \
+	: "r" (mem), "0" (__result), "1" (__mask) \
+	: "r0", "r1", "r2", "memory"); \
+     else if (sizeof (*mem) == 4) \
+       __asm __volatile ("\
+	  .align 2\n\
+	  mova 1f,r0\n\
+	  nop\n\
+	  mov r15,r1\n\
+	  mov #-8,r15\n\
+       0: mov.l @%2,r2\n\
+	  or r2,%1\n\
+	  and r2,%0\n\
+	  mov.l %1,@%2\n\
+       1: mov r1,r15"\
+	: "=&r" (__result), "=&r" (__mask) \
+	: "r" (mem), "0" (__result), "1" (__mask) \
+	: "r0", "r1", "r2", "memory"); \
+     else \
+       abort (); \
+     __result; })
diff --git a/nptl/sysdeps/sh/pthread_spin_init.c b/nptl/sysdeps/sh/pthread_spin_init.c
new file mode 100644
index 0000000000..0a47981aa2
--- /dev/null
+++ b/nptl/sysdeps/sh/pthread_spin_init.c
@@ -0,0 +1,20 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   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.  */
+
+/* Not needed.  pthread_spin_init is an alias for pthread_spin_unlock.  */
diff --git a/nptl/sysdeps/sh/pthread_spin_lock.c b/nptl/sysdeps/sh/pthread_spin_lock.c
new file mode 100644
index 0000000000..e732641083
--- /dev/null
+++ b/nptl/sysdeps/sh/pthread_spin_lock.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 2003 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.  */
+
+#include "pthreadP.h"
+
+int
+pthread_spin_lock (lock)
+     pthread_spinlock_t *lock;
+{
+  unsigned int val;
+
+  do
+    asm volatile ("tas.b @%1; movt %0"
+		  : "=&r" (val)
+		  : "r" (lock)
+		  : "memory");
+  while (val == 0);
+
+  return 0;
+}
diff --git a/nptl/sysdeps/sh/pthread_spin_trylock.S b/nptl/sysdeps/sh/pthread_spin_trylock.S
new file mode 100644
index 0000000000..63ae4d36af
--- /dev/null
+++ b/nptl/sysdeps/sh/pthread_spin_trylock.S
@@ -0,0 +1,32 @@
+/* Copyright (C) 2003 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.  */
+
+#define EBUSY	16
+
+	.globl	pthread_spin_trylock
+	.type	pthread_spin_trylock,@function
+	.align	5
+pthread_spin_trylock:
+	tas.b	@r4
+	bf/s	1f
+	 mov	#EBUSY, r0
+	mov	#0, r0
+1:
+	rts
+	 nop
+	.size	pthread_spin_trylock,.-pthread_spin_trylock
diff --git a/nptl/sysdeps/sh/pthread_spin_unlock.S b/nptl/sysdeps/sh/pthread_spin_unlock.S
new file mode 100644
index 0000000000..c77acaffe3
--- /dev/null
+++ b/nptl/sysdeps/sh/pthread_spin_unlock.S
@@ -0,0 +1,30 @@
+/* Copyright (C) 2003 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.  */
+
+	.globl	pthread_spin_unlock
+	.type	pthread_spin_unlock,@function
+	.align	5
+pthread_spin_unlock:
+	mov	#0,r0
+	rts
+	 mov.l	r0,@r4
+	.size	pthread_spin_unlock,.-pthread_spin_unlock
+
+	/* The implementation of pthread_spin_init is identical.  */
+	.globl	pthread_spin_init
+pthread_spin_init = pthread_spin_unlock
diff --git a/nptl/sysdeps/sh/pthreaddef.h b/nptl/sysdeps/sh/pthreaddef.h
new file mode 100644
index 0000000000..c66e838bdc
--- /dev/null
+++ b/nptl/sysdeps/sh/pthreaddef.h
@@ -0,0 +1,52 @@
+/* Copyright (C) 2003 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.  */
+
+#include <sysdep.h>
+
+/* Default stack size.  */
+#define ARCH_STACK_DEFAULT_SIZE	(2 * 1024 * 1024)
+
+/* Required stack pointer alignment at beginning.  */
+#define STACK_ALIGN		8
+
+/* Minimal stack size after allocating thread descriptor and guard size.  */
+#define MINIMAL_REST_STACK	2048
+
+/* Alignment requirement for TCB.  */
+#define TCB_ALIGNMENT		8
+
+/* The signal used for asynchronous cancelation.  */
+#define SIGCANCEL		__SIGRTMIN
+
+
+/* Location of current stack frame.  */
+#define CURRENT_STACK_FRAME	__builtin_frame_address (0)
+
+
+/* XXX Until we have a better place keep the definitions here.  */
+
+/* While there is no such syscall.  */
+#define __exit_thread_inline(val) \
+  while (1) {								      \
+    if (__builtin_constant_p (val) && (val) == 0)			      \
+      asm volatile ("mov #0,r4; mov %0,r3; trapa #0x11\n\t" SYSCALL_INST_PAD  \
+		   :: "i" (__NR_exit));  \
+    else								      \
+      asm volatile ("mov %1,r4; mov %0,r3; trapa #0x11\n\t" SYSCALL_INST_PAD  \
+		    :: "i" (__NR_exit), "r" (val));			      \
+  }
diff --git a/nptl/sysdeps/sh/tcb-offsets.sym b/nptl/sysdeps/sh/tcb-offsets.sym
new file mode 100644
index 0000000000..ae14fa00e9
--- /dev/null
+++ b/nptl/sysdeps/sh/tcb-offsets.sym
@@ -0,0 +1,5 @@
+#include <sysdep.h>
+#include <tls.h>
+
+MULTIPLE_THREADS_OFFSET		offsetof (struct pthread, header.data.multiple_threads)
+TLS_PRE_TCB_SIZE		sizeof (struct pthread)
diff --git a/nptl/sysdeps/sh/td_ta_map_lwp2thr.c b/nptl/sysdeps/sh/td_ta_map_lwp2thr.c
new file mode 100644
index 0000000000..75853009da
--- /dev/null
+++ b/nptl/sysdeps/sh/td_ta_map_lwp2thr.c
@@ -0,0 +1,44 @@
+/* Which thread is running on an LWP?  Stub version.
+   Copyright (C) 2003 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.  */
+
+#include "thread_dbP.h"
+#include <tls.h>
+#include <sys/reg.h>
+
+
+td_err_e
+td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
+{
+  LOG ("td_ta_map_lwp2thr");
+
+  /* Test whether the TA parameter is ok.  */
+  if (! ta_ok (ta))
+    return TD_BADTA;
+
+  prgregset_t regs;
+  if (ps_lgetregs (ta->ph, lwpid, regs) != PS_OK)
+    return TD_ERR;
+
+  th->th_unique = regs[REG_GBR];
+
+  /* Found it.  Now complete the `td_thrhandle_t' object.  */
+  th->th_ta_p = (td_thragent_t *) ta;
+
+  return TD_OK;
+}
diff --git a/nptl/sysdeps/sh/tls.h b/nptl/sysdeps/sh/tls.h
new file mode 100644
index 0000000000..b92b0b81d5
--- /dev/null
+++ b/nptl/sysdeps/sh/tls.h
@@ -0,0 +1,135 @@
+/* Definition for thread-local data handling.  NPTL/SH version.
+   Copyright (C) 2003 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 _TLS_H
+#define _TLS_H
+
+# include <dl-sysdep.h>
+
+#ifndef __ASSEMBLER__
+# include <stddef.h>
+# include <stdint.h>
+
+/* Type for the dtv.  */
+typedef union dtv
+{
+  size_t counter;
+  void *pointer;
+} dtv_t;
+
+typedef struct
+{
+  dtv_t *dtv;
+  void *private;
+} tcbhead_t;
+
+#else /* __ASSEMBLER__ */
+# include <tcb-offsets.h>
+#endif /* __ASSEMBLER__ */
+
+
+/* We require TLS support in the tools.  */
+#ifndef HAVE_TLS_SUPPORT
+# error "TLS support is required."
+#endif
+
+/* Signal that TLS support is available.  */
+# define USE_TLS	1
+
+#ifndef __ASSEMBLER__
+
+/* Get system call information.  */
+# include <sysdep.h>
+
+/* Get the thread descriptor definition.  */
+# include <nptl/descr.h>
+
+/* This is the size of the initial TCB.  */
+# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t)
+
+/* Alignment requirements for the initial TCB.  */
+# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t)
+
+/* This is the size of the TCB.  */
+# define TLS_TCB_SIZE sizeof (tcbhead_t)
+
+/* This is the size we need before TCB.  */
+# define TLS_PRE_TCB_SIZE sizeof (struct pthread)
+
+/* Alignment requirements for the TCB.  */
+# define TLS_TCB_ALIGN __alignof__ (struct pthread)
+
+/* The TLS blocks start right after the TCB.  */
+# define TLS_DTV_AT_TP	1
+
+
+/* Install the dtv pointer.  The pointer passed is to the element with
+   index -1 which contain the length.  */
+# define INSTALL_DTV(tcbp, dtvp) \
+  ((tcbhead_t *) (tcbp))->dtv = dtvp + 1
+
+/* Install new dtv for current thread.  */
+# define INSTALL_NEW_DTV(dtv) \
+  ({ tcbhead_t *__tcbp;							      \
+     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));			      \
+     __tcbp->dtv = (dtv);})
+
+/* Return dtv of given thread descriptor.  */
+# define GET_DTV(tcbp) \
+  (((tcbhead_t *) (tcbp))->dtv)
+
+/* Code to initially initialize the thread pointer.  This might need
+   special attention since 'errno' is not yet available and if the
+   operation can cause a failure 'errno' must not be touched.  */
+# define TLS_INIT_TP(tcbp, secondcall) \
+  ({ __asm __volatile ("ldc %0,gbr" : : "r" (tcbp)); 0; })
+
+/* Return the address of the dtv for the current thread.  */
+# define THREAD_DTV() \
+  ({ tcbhead_t *__tcbp;							      \
+     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));			      \
+     __tcbp->dtv;})
+
+/* Return the thread descriptor for the current thread.
+   The contained asm must *not* be marked volatile since otherwise
+   assignments like
+        struct pthread *self = thread_self();
+   do not get optimized away.  */
+# define THREAD_SELF \
+  ({ struct pthread *__self;						      \
+     __asm ("stc gbr,%0" : "=r" (__self));				      \
+     __self - 1;})
+
+/* Read member of the thread descriptor directly.  */
+# define THREAD_GETMEM(descr, member) ((THREAD_SELF)->member)
+
+/* Same as THREAD_GETMEM, but the member offset can be non-constant.  */
+# define THREAD_GETMEM_NC(descr, member, idx) ((THREAD_SELF)->member[idx])
+
+/* Set member of the thread descriptor directly.  */
+# define THREAD_SETMEM(descr, member, value) \
+    (THREAD_SELF)->member = (value)
+
+/* Same as THREAD_SETMEM, but the member offset can be non-constant.  */
+# define THREAD_SETMEM_NC(descr, member, idx, value) \
+    (THREAD_SELF)->member[idx] = (value)
+
+#endif /* __ASSEMBLER__ */
+
+#endif	/* tls.h */