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.

1 files changed, 245 insertions, 0 deletions

diff --git a/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
new file mode 100644
index 0000000000..d9a69c7a48
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
@@ -0,0 +1,245 @@
+/* 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 _LOWLEVELLOCK_H
+#define _LOWLEVELLOCK_H	1
+
+#include <time.h>
+#include <sys/param.h>
+#include <bits/pthreadtypes.h>
+
+#define SYS_futex		240
+#define FUTEX_WAIT		0
+#define FUTEX_WAKE		1
+
+
+/* Initializer for compatibility lock.  */
+#define LLL_MUTEX_LOCK_INITIALIZER (0)
+
+extern int __lll_mutex_lock_wait (int val, int *__futex) attribute_hidden;
+extern int __lll_mutex_timedlock_wait (int val, int *__futex,
+				       const struct timespec *abstime)
+     attribute_hidden;
+extern int __lll_mutex_unlock_wake (int *__futex) attribute_hidden;
+
+
+#define lll_mutex_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" (1), "r" (0) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     __result; })
+
+#define lll_mutex_lock(futex) \
+  (void) ({ int __result, val, *__futex = &(futex); \
+	    __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" (val) : "r" (__futex), "1" (1) \
+		: "r0", "r1", "memory"); \
+	    if (__result) \
+	      __lll_mutex_lock_wait (__result, __futex); })
+
+#define lll_mutex_timedlock(futex, timeout) \
+  ({ int __result, val, *__futex = &(futex); \
+     __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" (val) : "r" (__futex), "1" (1) \
+	: "r0", "r1", "memory"); \
+    if (__result) \
+      __result = __lll_mutex_timedlock_wait (__result, __futex, timeout); \
+    __result; })
+
+#define lll_mutex_unlock(futex) \
+  (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) \
+	      __lll_mutex_unlock_wake (__futex); })
+
+#define lll_mutex_islocked(futex) \
+  (futex != 0)
+
+
+/* We have a separate internal lock implementation which is not tied
+   to binary compatibility.  */
+
+/* Type for lock object.  */
+typedef int lll_lock_t;
+
+/* Initializers for lock.  */
+#define LLL_LOCK_INITIALIZER		(1)
+#define LLL_LOCK_INITIALIZER_LOCKED	(0)
+
+
+extern int __lll_lock_wait (int val, int *__futex) attribute_hidden;
+extern int __lll_unlock_wake (int *__futex) attribute_hidden;
+extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
+
+
+/* The states of a lock are:
+    1  -  untaken
+    0  -  taken by one user
+   <0  -  taken by more users */
+
+
+#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" (0), "r" (1) \
+	: "r0", "r1", "r2", "t", "memory"); \
+     __result; })
+
+#define lll_lock(futex) \
+  (void) ({ int __result, val, *__futex = &(futex); \
+	    __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" (val) : "r" (__futex), "1" (-1) \
+		: "r0", "r1", "memory"); \
+	    if (val < 0) \
+	      __lll_lock_wait (__result, __futex); })
+
+#define lll_unlock(futex) \
+  (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 <= 0) \
+	      __lll_unlock_wake (__futex); })
+
+#define lll_islocked(futex) \
+  (futex <= 0)
+
+
+/* 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.  */
+
+extern int __lll_wait_tid (int *tid) attribute_hidden;
+#define lll_wait_tid(tid) \
+  do { \
+    __typeof (tid) *__tid = &(tid); \
+    if (*__tid != 0) \
+      __lll_wait_tid (__tid); \
+  } 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 == NULL || abstime->tv_nsec >= 1000000000) \
+	  __result = EINVAL; \
+	else \
+	  __result = __lll_timedwait_tid (&tid, abstime); \
+      }	\
+    __result; })
+
+
+extern int __lll_wake_tid (int *tid) attribute_hidden;
+#define lll_wake_tid(tid) \
+  do { \
+    (tid) = 0; \
+    ___lll_wake_tid (&tid); \
+  } while (0)
+
+
+/* Conditional variable handling.  */
+
+extern void __lll_cond_wait (pthread_cond_t *cond) attribute_hidden;
+extern int __lll_cond_timedwait (pthread_cond_t *cond,
+				 const struct timespec *abstime)
+     attribute_hidden;
+extern void __lll_cond_wake (pthread_cond_t *cond) attribute_hidden;
+extern void __lll_cond_broadcast (pthread_cond_t *cond) attribute_hidden;
+
+
+#define lll_cond_wait(cond) \
+  __lll_cond_wait (cond)
+#define lll_cond_timedwait(cond, abstime) \
+  __lll_cond_timedwait (cond, abstime)
+#define lll_cond_wake(cond) \
+  __lll_cond_wake (cond)
+#define lll_cond_broadcast(cond) \
+  __lll_cond_broadcast (cond)
+
+#endif  /* lowlevellock.h */