2.5-18.1

4 files changed, 69 insertions, 15 deletions

diff --git a/nptl/sysdeps/ia64/pthread_spin_lock.c b/nptl/sysdeps/ia64/pthread_spin_lock.c
index 71aaef9451..7d25af7c4b 100644
--- a/nptl/sysdeps/ia64/pthread_spin_lock.c
+++ b/nptl/sysdeps/ia64/pthread_spin_lock.c
@@ -25,7 +25,7 @@ pthread_spin_lock (lock)
 {
   int *p = (int *) lock;
 
-  while (__builtin_expect (__sync_val_compare_and_swap_si (p, 0, 1), 0))
+  while (__builtin_expect (__sync_val_compare_and_swap (p, 0, 1), 0))
     {
       /* Spin without using the atomic instruction.  */
       do
diff --git a/nptl/sysdeps/ia64/pthread_spin_trylock.c b/nptl/sysdeps/ia64/pthread_spin_trylock.c
index b7cbf14782..0fd8b99b7a 100644
--- a/nptl/sysdeps/ia64/pthread_spin_trylock.c
+++ b/nptl/sysdeps/ia64/pthread_spin_trylock.c
@@ -24,5 +24,5 @@ int
 pthread_spin_trylock (lock)
      pthread_spinlock_t *lock;
 {
-  return __sync_val_compare_and_swap_si ((int *) lock, 0, 1) == 0 ? 0 : EBUSY;
+  return __sync_val_compare_and_swap ((int *) lock, 0, 1) == 0 ? 0 : EBUSY;
 }
diff --git a/nptl/sysdeps/ia64/tcb-offsets.sym b/nptl/sysdeps/ia64/tcb-offsets.sym
index f5108e0a9e..e1707ab1c8 100644
--- a/nptl/sysdeps/ia64/tcb-offsets.sym
+++ b/nptl/sysdeps/ia64/tcb-offsets.sym
@@ -1,7 +1,7 @@
 #include <sysdep.h>
 #include <tls.h>
 
-PID			offsetof (struct pthread, pid) - sizeof (struct pthread)
-TID			offsetof (struct pthread, tid) - sizeof (struct pthread)
-MULTIPLE_THREADS_OFFSET offsetof (struct pthread, header.multiple_threads) - sizeof (struct pthread)
-SYSINFO_OFFSET		offsetof (tcbhead_t, private)
+PID			offsetof (struct pthread, pid) - TLS_PRE_TCB_SIZE
+TID			offsetof (struct pthread, tid) - TLS_PRE_TCB_SIZE
+MULTIPLE_THREADS_OFFSET offsetof (struct pthread, header.multiple_threads) - TLS_PRE_TCB_SIZE
+SYSINFO_OFFSET		offsetof (tcbhead_t, __private)
diff --git a/nptl/sysdeps/ia64/tls.h b/nptl/sysdeps/ia64/tls.h
index 4591a415c0..a43f096798 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 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005, 2006, 2007 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
@@ -22,6 +22,7 @@
 
 #include <dl-sysdep.h>
 #ifndef __ASSEMBLER__
+# include <stdbool.h>
 # include <stddef.h>
 # include <stdint.h>
 # include <stdlib.h>
@@ -32,14 +33,18 @@
 typedef union dtv
 {
   size_t counter;
-  void *pointer;
+  struct
+  {
+    void *val;
+    bool is_static;
+  } pointer;
 } dtv_t;
 
 
 typedef struct
 {
   dtv_t *dtv;
-  void *private;
+  void *__private;
 } tcbhead_t;
 
 register struct pthread *__thread_self __asm__("r13");
@@ -75,8 +80,16 @@ 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.  */
-# define TLS_PRE_TCB_SIZE sizeof (struct pthread)
+/* 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))
 
 /* Alignment requirements for the TCB.  */
 # define TLS_TCB_ALIGN __alignof__ (struct pthread)
@@ -100,8 +113,9 @@ 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 *) ((pd) + 1))->private)
+#define THREAD_SELF_SYSINFO	(((tcbhead_t *) __thread_self)->__private)
+#define THREAD_SYSINFO(pd) \
+  (((tcbhead_t *) ((char *) (pd) + TLS_PRE_TCB_SIZE))->__private)
 
 #if defined NEED_DL_SYSINFO
 # define INIT_SYSINFO   THREAD_SELF_SYSINFO = (void *) GLRO(dl_sysinfo)
@@ -120,10 +134,11 @@ register struct pthread *__thread_self __asm__("r13");
   (((tcbhead_t *)__thread_self)->dtv)
 
 /* Return the thread descriptor for the current thread.  */
-# define THREAD_SELF (__thread_self - 1)
+# define THREAD_SELF \
+  ((struct pthread *) ((char *) __thread_self - TLS_PRE_TCB_SIZE))
 
 /* Magic for libthread_db to know how to do THREAD_SELF.  */
-# define DB_THREAD_SELF REGISTER (64, 64, 13 * 8, -sizeof (struct pthread))
+# define DB_THREAD_SELF REGISTER (64, 64, 13 * 8, -TLS_PRE_TCB_SIZE)
 
 /* Access to data in the thread descriptor is easy.  */
 #define THREAD_GETMEM(descr, member) \
@@ -135,6 +150,45 @@ 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 */