Update.

2003-07-01  Richard Henderson  <rth@redhat.com>

	* sysdeps/alpha/elf/pt-initfini.c: New file.
	* sysdeps/alpha/pthread_spin_lock.S: New file.
	* sysdeps/alpha/pthread_spin_trylock.S: New file.
	* sysdeps/alpha/pthreaddef.h: New file.
	* sysdeps/alpha/td_ta_map_lwp2thr.c: New file.
	* sysdeps/alpha/tls.h: New file.
	* sysdeps/unix/sysv/linux/alpha/Makefile: New file.
	* sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h: New file.
	* sysdeps/unix/sysv/linux/alpha/bits/semaphore.h: New file.
	* sysdeps/unix/sysv/linux/alpha/createthread.c: New file.
	* sysdeps/unix/sysv/linux/alpha/fork.c: New file.
	* sysdeps/unix/sysv/linux/alpha/lowlevellock.h: New file.
	* sysdeps/unix/sysv/linux/alpha/pt-vfork.S: New file.
	* sysdeps/unix/sysv/linux/alpha/pthread_once.c: New file.
	* sysdeps/unix/sysv/linux/alpha/sem_post.c: New file.
	* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h: New file.

1 files changed, 146 insertions, 0 deletions

diff --git a/nptl/sysdeps/alpha/tls.h b/nptl/sysdeps/alpha/tls.h
new file mode 100644
index 0000000000..1718b3e466
--- /dev/null
+++ b/nptl/sysdeps/alpha/tls.h
@@ -0,0 +1,146 @@
+/* Definition for thread-local data handling.  NPTL/Alpha 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	1
+
+# 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;
+
+#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>
+
+/* The TP points to the start of the thread blocks.  */
+# define TLS_DTV_AT_TP	1
+
+/* Get the thread descriptor definition.  */
+# include <nptl/descr.h>
+
+/* This layout is actually wholly private and not affected by the ABI.
+   Nor does it overlap the pthread data structure, so we need nothing
+   extra here at all.  */
+typedef struct
+{
+  dtv_t *dtv;
+} tcbhead_t;
+
+/* This is the size of the initial TCB.  */
+# define TLS_INIT_TCB_SIZE	0
+
+/* Alignment requirements for the initial TCB.  */
+# define TLS_INIT_TCB_ALIGN	__alignof__ (struct pthread)
+
+/* This is the size of the TCB.  */
+# define TLS_TCB_SIZE		0
+
+/* Alignment requirements for the TCB.  */
+# define TLS_TCB_ALIGN		__alignof__ (struct pthread)
+
+/* This is the size we need before TCB.  */
+# define TLS_PRE_TCB_SIZE \
+  (sizeof (struct pthread)						      \
+   + ((sizeof (tcbhead_t) + TLS_TCB_ALIGN - 1) & ~(TLS_TCB_ALIGN - 1)))
+
+/* The following assumes that TP (R2 or R13) points to the end of the
+   TCB + 0x7000 (per the ABI).  This implies that TCB address is
+   TP - 0x7000.  As we define TLS_DTV_AT_TP we can
+   assume that the pthread struct is allocated immediately ahead of the
+   TCB.  This implies that the pthread_descr address is
+   TP - (TLS_PRE_TCB_SIZE + 0x7000).  */
+/* ??? PPC uses offset 0x7000; seems like a good idea for alpha too,
+   but binutils not yet changed to match.  */
+# define TLS_TCB_OFFSET	0
+
+/* 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))[-1].dtv = dtvp + 1
+
+/* Install new dtv for current thread.  */
+# define INSTALL_NEW_DTV(dtv) (THREAD_DTV() = (dtv))
+
+/* Return dtv of given thread descriptor.  */
+# define GET_DTV(tcbp)	(((tcbhead_t *) (tcbp))[-1].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) \
+  (__builtin_set_thread_pointer ((void *) (tcbp) + TLS_TCB_OFFSET), NULL)
+
+/* Return the address of the dtv for the current thread.  */
+# define THREAD_DTV() \
+     (((tcbhead_t *) (__builtin_thread_pointer () - TLS_TCB_OFFSET))[-1].dtv)
+
+/* Return the thread descriptor for the current thread.  */
+# define THREAD_SELF \
+    ((struct pthread *) (__builtin_thread_pointer () \
+			 - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE))
+
+/* Identifier for the current thread.  THREAD_SELF is usable but
+   sometimes more expensive than necessary as in this case.  */
+# define THREAD_ID (__builtin_thread_pointer ())
+
+/* Read member of the thread descriptor directly.  */
+# define THREAD_GETMEM(descr, member) ((void)(descr), (THREAD_SELF)->member)
+
+/* Same as THREAD_GETMEM, but the member offset can be non-constant.  */
+# define THREAD_GETMEM_NC(descr, member, idx) \
+    ((void)(descr), (THREAD_SELF)->member[idx])
+
+/* Set member of the thread descriptor directly.  */
+# define THREAD_SETMEM(descr, member, value) \
+    ((void)(descr), (THREAD_SELF)->member = (value))
+
+/* Same as THREAD_SETMEM, but the member offset can be non-constant.  */
+# define THREAD_SETMEM_NC(descr, member, idx, value) \
+    ((void)(descr), (THREAD_SELF)->member[idx] = (value))
+
+/* l_tls_offset == 0 is perfectly valid on PPC, so we have to use some
+   different value to mean unset l_tls_offset.  */
+# define NO_TLS_OFFSET		-1
+
+#endif /* __ASSEMBLER__ */
+
+#endif	/* tls.h */