Move SH code out of nptl/ subdirectory.

7 files changed, 341 insertions, 0 deletions

diff --git a/sysdeps/sh/nptl/pthread_spin_init.c b/sysdeps/sh/nptl/pthread_spin_init.c
new file mode 100644
index 0000000000..279fc9a5a6
--- /dev/null
+++ b/sysdeps/sh/nptl/pthread_spin_init.c
@@ -0,0 +1,19 @@
+/* Copyright (C) 2002-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Not needed.  pthread_spin_init is an alias for pthread_spin_unlock.  */
diff --git a/sysdeps/sh/nptl/pthread_spin_lock.c b/sysdeps/sh/nptl/pthread_spin_lock.c
new file mode 100644
index 0000000000..e4bf190075
--- /dev/null
+++ b/sysdeps/sh/nptl/pthread_spin_lock.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 2003-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#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/sysdeps/sh/nptl/pthread_spin_trylock.S b/sysdeps/sh/nptl/pthread_spin_trylock.S
new file mode 100644
index 0000000000..76ec533fa8
--- /dev/null
+++ b/sysdeps/sh/nptl/pthread_spin_trylock.S
@@ -0,0 +1,31 @@
+/* Copyright (C) 2003-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <pthread-errnos.h>
+
+	.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/sysdeps/sh/nptl/pthread_spin_unlock.S b/sysdeps/sh/nptl/pthread_spin_unlock.S
new file mode 100644
index 0000000000..34d7c9f1dc
--- /dev/null
+++ b/sysdeps/sh/nptl/pthread_spin_unlock.S
@@ -0,0 +1,29 @@
+/* Copyright (C) 2003-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+	.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/sysdeps/sh/nptl/pthreaddef.h b/sysdeps/sh/nptl/pthreaddef.h
new file mode 100644
index 0000000000..7ea338e4d7
--- /dev/null
+++ b/sysdeps/sh/nptl/pthreaddef.h
@@ -0,0 +1,34 @@
+/* Copyright (C) 2003-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#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
+
+
+/* Location of current stack frame.  */
+#define CURRENT_STACK_FRAME	__builtin_frame_address (0)
diff --git a/sysdeps/sh/nptl/tcb-offsets.sym b/sysdeps/sh/nptl/tcb-offsets.sym
new file mode 100644
index 0000000000..753b72b2dd
--- /dev/null
+++ b/sysdeps/sh/nptl/tcb-offsets.sym
@@ -0,0 +1,15 @@
+#include <sysdep.h>
+#include <tls.h>
+
+RESULT			offsetof (struct pthread, result)
+TID			offsetof (struct pthread, tid)
+PID			offsetof (struct pthread, pid)
+CANCELHANDLING		offsetof (struct pthread, cancelhandling)
+CLEANUP_JMP_BUF		offsetof (struct pthread, cleanup_jmp_buf)
+MULTIPLE_THREADS_OFFSET	offsetof (struct pthread, header.multiple_threads)
+TLS_PRE_TCB_SIZE	sizeof (struct pthread)
+MUTEX_FUTEX		offsetof (pthread_mutex_t, __data.__lock)
+POINTER_GUARD		offsetof (tcbhead_t, pointer_guard)
+#ifndef __ASSUME_PRIVATE_FUTEX
+PRIVATE_FUTEX		offsetof (struct pthread, header.private_futex)
+#endif
diff --git a/sysdeps/sh/nptl/tls.h b/sysdeps/sh/nptl/tls.h
new file mode 100644
index 0000000000..d4d3e93d64
--- /dev/null
+++ b/sysdeps/sh/nptl/tls.h
@@ -0,0 +1,179 @@
+/* Definition for thread-local data handling.  NPTL/SH version.
+   Copyright (C) 2003-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _TLS_H
+#define _TLS_H
+
+# include <dl-sysdep.h>
+
+#ifndef __ASSEMBLER__
+# include <stdbool.h>
+# include <stddef.h>
+# include <stdint.h>
+# include <stdlib.h>
+# include <list.h>
+# include <sysdep.h>
+# include <kernel-features.h>
+
+/* Type for the dtv.  */
+typedef union dtv
+{
+  size_t counter;
+  struct
+  {
+    void *val;
+    bool is_static;
+  } pointer;
+} dtv_t;
+
+typedef struct
+{
+  dtv_t *dtv;
+  uintptr_t pointer_guard;
+} tcbhead_t;
+
+# define TLS_MULTIPLE_THREADS_IN_TCB 1
+
+#else /* __ASSEMBLER__ */
+# include <tcb-offsets.h>
+#endif /* __ASSEMBLER__ */
+
+
+#ifndef __ASSEMBLER__
+
+/* Get system call information.  */
+# include <sysdep.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
+# define TLS_TCB_AT_TP	0
+
+/* Get the thread descriptor definition.  */
+# include <nptl/descr.h>
+
+/* 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) \
+  ({ __asm __volatile ("ldc %0,gbr" : : "r" (tcbp)); 0; })
+
+# define TLS_DEFINE_INIT_TP(tp, pd) void *tp = (pd) + 1
+
+/* 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;})
+
+/* Magic for libthread_db to know how to do THREAD_SELF.  */
+# define DB_THREAD_SELF \
+  REGISTER (32, 32, REG_GBR * 4, -sizeof (struct pthread))
+
+/* Read member of the thread descriptor directly.  */
+# define THREAD_GETMEM(descr, member) (descr->member)
+
+/* Same as THREAD_GETMEM, but the member offset can be non-constant.  */
+# define THREAD_GETMEM_NC(descr, member, idx) (descr->member[idx])
+
+/* Set member of the thread descriptor directly.  */
+# define THREAD_SETMEM(descr, member, value) \
+    descr->member = (value)
+
+/* Same as THREAD_SETMEM, but the member offset can be non-constant.  */
+# define THREAD_SETMEM_NC(descr, member, idx, value) \
+    descr->member[idx] = (value)
+
+#define THREAD_GET_POINTER_GUARD() \
+  ({ tcbhead_t *__tcbp;							      \
+     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));			      \
+     __tcbp->pointer_guard;})
+ #define THREAD_SET_POINTER_GUARD(value) \
+  ({ tcbhead_t *__tcbp;							      \
+     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));			      \
+     __tcbp->pointer_guard = (value);})
+#define THREAD_COPY_POINTER_GUARD(descr) \
+  ({ tcbhead_t *__tcbp;							      \
+     __asm __volatile ("stc gbr,%0" : "=r" (__tcbp));			      \
+     ((tcbhead_t *) (descr + 1))->pointer_guard	= __tcbp->pointer_guard;})
+
+/* Get and set the global scope generation counter in struct pthread.  */
+#define THREAD_GSCOPE_FLAG_UNUSED 0
+#define THREAD_GSCOPE_FLAG_USED   1
+#define THREAD_GSCOPE_FLAG_WAIT   2
+#define THREAD_GSCOPE_RESET_FLAG() \
+  do									     \
+    { int __res								     \
+	= atomic_exchange_rel (&THREAD_SELF->header.gscope_flag,	     \
+			       THREAD_GSCOPE_FLAG_UNUSED);		     \
+      if (__res == THREAD_GSCOPE_FLAG_WAIT)				     \
+	lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE);   \
+    }									     \
+  while (0)
+#define THREAD_GSCOPE_SET_FLAG() \
+  do									     \
+    {									     \
+      THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED;	     \
+      atomic_write_barrier ();						     \
+    }									     \
+  while (0)
+#define THREAD_GSCOPE_WAIT() \
+  GL(dl_wait_lookup_done) ()
+
+#endif /* __ASSEMBLER__ */
+
+#endif	/* tls.h */