(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 9 insertions, 63 deletions

diff --git a/nptl/sysdeps/ia64/tls.h b/nptl/sysdeps/ia64/tls.h
index a43f096798..4591a415c0 100644
--- a/nptl/sysdeps/ia64/tls.h
+++ b/nptl/sysdeps/ia64/tls.h
@@ -1,5 +1,5 @@
 /* Definition for thread-local data handling.  nptl/IA-64 version.
-   Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004 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
@@ -22,7 +22,6 @@
 
 #include <dl-sysdep.h>
 #ifndef __ASSEMBLER__
-# include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
 # include <stdlib.h>
@@ -33,18 +32,14 @@
 typedef union dtv
 {
   size_t counter;
-  struct
-  {
-    void *val;
-    bool is_static;
-  } pointer;
+  void *pointer;
 } dtv_t;
 
 
 typedef struct
 {
   dtv_t *dtv;
-  void *__private;
+  void *private;
 } tcbhead_t;
 
 register struct pthread *__thread_self __asm__("r13");
@@ -80,16 +75,8 @@ register struct pthread *__thread_self __asm__("r13");
 /* This is the size of the TCB.  */
 # define TLS_TCB_SIZE sizeof (tcbhead_t)
 
-/* This is the size we need before TCB.
-   If there is not any room for uintptr_t stack_guard and
-   uintptr_t pointer_guard in struct pthread's final padding,
-   we need to put struct pthread 16 byte slower.  */
-# define TLS_PRE_TCB_SIZE \
-  (sizeof (struct pthread)						\
-   + (PTHREAD_STRUCT_END_PADDING < 2 * sizeof (uintptr_t)		\
-      ? ((2 * sizeof (uintptr_t) + __alignof__ (struct pthread) - 1)	\
-	 & ~(__alignof__ (struct pthread) - 1))				\
-      : 0))
+/* 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)
@@ -113,9 +100,8 @@ register struct pthread *__thread_self __asm__("r13");
 #  define GET_DTV(descr) \
   (((tcbhead_t *) (descr))->dtv)
 
-#define THREAD_SELF_SYSINFO	(((tcbhead_t *) __thread_self)->__private)
-#define THREAD_SYSINFO(pd) \
-  (((tcbhead_t *) ((char *) (pd) + TLS_PRE_TCB_SIZE))->__private)
+#define THREAD_SELF_SYSINFO	(((tcbhead_t *) __thread_self)->private)
+#define THREAD_SYSINFO(pd)	(((tcbhead_t *) ((pd) + 1))->private)
 
 #if defined NEED_DL_SYSINFO
 # define INIT_SYSINFO   THREAD_SELF_SYSINFO = (void *) GLRO(dl_sysinfo)
@@ -134,11 +120,10 @@ register struct pthread *__thread_self __asm__("r13");
   (((tcbhead_t *)__thread_self)->dtv)
 
 /* Return the thread descriptor for the current thread.  */
-# define THREAD_SELF \
-  ((struct pthread *) ((char *) __thread_self - TLS_PRE_TCB_SIZE))
+# define THREAD_SELF (__thread_self - 1)
 
 /* Magic for libthread_db to know how to do THREAD_SELF.  */
-# define DB_THREAD_SELF REGISTER (64, 64, 13 * 8, -TLS_PRE_TCB_SIZE)
+# define DB_THREAD_SELF REGISTER (64, 64, 13 * 8, -sizeof (struct pthread))
 
 /* Access to data in the thread descriptor is easy.  */
 #define THREAD_GETMEM(descr, member) \
@@ -150,45 +135,6 @@ register struct pthread *__thread_self __asm__("r13");
 #define THREAD_SETMEM_NC(descr, member, idx, value) \
   descr->member[idx] = (value)
 
-/* Set the stack guard field in TCB head.  */
-#define THREAD_SET_STACK_GUARD(value) \
-  (((uintptr_t *) __thread_self)[-1] = (value))
-#define THREAD_COPY_STACK_GUARD(descr) \
-  (((uintptr_t *) ((char *) (descr) + TLS_PRE_TCB_SIZE))[-1] \
-   = ((uintptr_t *) __thread_self)[-1])
-
-/* Set the pointer guard field in TCB head.  */
-#define THREAD_GET_POINTER_GUARD() \
-  (((uintptr_t *) __thread_self)[-2])
-#define THREAD_SET_POINTER_GUARD(value) \
-  (((uintptr_t *) __thread_self)[-2] = (value))
-#define THREAD_COPY_POINTER_GUARD(descr) \
-  (((uintptr_t *) ((char *) (descr) + TLS_PRE_TCB_SIZE))[-2] \
-   = THREAD_GET_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);		     \
-    }									     \
-  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 */