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-rw-r--r--ChangeLog50
-rw-r--r--csu/tst-atomic.c113
-rw-r--r--elf/dl-close.c24
-rw-r--r--elf/dl-lookup.c6
-rw-r--r--elf/dl-open.c10
-rw-r--r--elf/dl-runtime.c17
-rw-r--r--elf/dl-sym.c7
-rw-r--r--include/atomic.h286
-rw-r--r--malloc/malloc.c2
-rw-r--r--nptl/ChangeLog6
-rw-r--r--nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h18
-rw-r--r--sunrpc/Makefile4
-rw-r--r--sunrpc/tst-xdrmem2.c114
-rw-r--r--sunrpc/xdr_mem.c10
-rw-r--r--sysdeps/i386/i486/bits/atomic.h2
-rw-r--r--sysdeps/x86_64/bits/atomic.h15
16 files changed, 491 insertions, 193 deletions
diff --git a/ChangeLog b/ChangeLog
index 3c9628c131..c36631cd1e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,51 @@
+2006-10-17  Jakub Jelinek  <jakub@redhat.com>
+
+	* sunrpc/xdr_mem.c (xdrmem_setpos): Don't compare addresses
+	as signed longs, check for x_base + pos overflow.
+	* sunrpc/Makefile (tests): Add tst-xdrmem2.
+	* sunrpc/tst-xdrmem2.c: New test.
+
+2006-10-18  Ulrich Drepper  <drepper@redhat.com>
+
+	* elf/dl-lookup.c (_dl_lookup_symbol_x): Add warning to
+	_dl_lookup_symbol_x code.
+
+2006-10-17  Jakub Jelinek  <jakub@redhat.com>
+
+	* elf/dl-runtime.c: Include sysdep-cancel.h.
+	(_dl_fixup, _dl_profile_fixup): Use __rtld_mrlock_* and
+	scoperec->nusers only if !SINGLE_THREAD_P.  Use atomic_*
+	instead of catomic_* macros.
+	* elf/dl-sym.c: Include sysdep-cancel.h.
+	(do_sym): Use __rtld_mrlock_* and scoperec->nusers only
+	if !SINGLE_THREAD_P.  Use atomic_* instead of catomic_* macros.
+	* elf/dl-close.c: Include sysdep-cancel.h.
+	(_dl_close): Use __rtld_mrlock_* and scoperec->nusers only
+	if !SINGLE_THREAD_P.  Use atomic_* instead of catomic_* macros.
+	* elf/dl-open.c: Include sysdep-cancel.h.
+	(dl_open_worker): Use __rtld_mrlock_* and scoperec->nusers only
+	if !SINGLE_THREAD_P.  Use atomic_* instead of catomic_* macros.
+
+2006-10-17  Jakub Jelinek  <jakub@redhat.com>
+
+	[BZ #3313]
+	* malloc/malloc.c (malloc_consolidate): Set maxfb to address of last
+	fastbin rather than end of fastbin array.
+
+2006-10-18  Ulrich Drepper  <drepper@redhat.com>
+
+	* sysdeps/i386/i486/bits/atomic.h (catomic_decrement): Use correct
+	body macro.
+	* sysdeps/x86_64/bits/atomic.h
+	(__arch_c_compare_and_exchange_val_64_acq): Add missing casts.
+	(catomic_decrement): Use correct body macro.
+
+2006-10-17  Jakub Jelinek  <jakub@redhat.com>
+
+	* include/atomic.h: Add a unique prefix to all local variables
+	in macros.
+	* csu/tst-atomic.c (do_test): Test also catomic_* macros.
+
 2006-10-16  Ulrich Drepper  <drepper@redhat.com>
 
 	[BZ #3369]
@@ -108,7 +156,7 @@
 	* elf/dl-load.c: Likewise.
 	* elf/dl-object.c: Likewise.
 	* elf/rtld.c: Likewise.
-	* include/link.h: Inlcude <rtld-lowlevel.h>.  Define struct
+	* include/link.h: Include <rtld-lowlevel.h>.  Define struct
 	r_scoperec.  Replace r_scope with pointer to r_scoperec structure.
 	Add l_scoperec_lock.
 	* sysdeps/generic/ldsodefs.h: Include <rtld-lowlevel.h>.
diff --git a/csu/tst-atomic.c b/csu/tst-atomic.c
index 7a2e3d0865..7c0b022b78 100644
--- a/csu/tst-atomic.c
+++ b/csu/tst-atomic.c
@@ -1,5 +1,5 @@
 /* Tests for atomic.h macros.
-   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
 
@@ -379,6 +379,117 @@ do_test (void)
     }
 #endif
 
+#ifdef catomic_compare_and_exchange_val_acq
+  mem = 24;
+  if (catomic_compare_and_exchange_val_acq (&mem, 35, 24) != 24
+      || mem != 35)
+    {
+      puts ("catomic_compare_and_exchange_val_acq test 1 failed");
+      ret = 1;
+    }
+
+  mem = 12;
+  if (catomic_compare_and_exchange_val_acq (&mem, 10, 15) != 12
+      || mem != 12)
+    {
+      puts ("catomic_compare_and_exchange_val_acq test 2 failed");
+      ret = 1;
+    }
+
+  mem = -15;
+  if (catomic_compare_and_exchange_val_acq (&mem, -56, -15) != -15
+      || mem != -56)
+    {
+      puts ("catomic_compare_and_exchange_val_acq test 3 failed");
+      ret = 1;
+    }
+
+  mem = -1;
+  if (catomic_compare_and_exchange_val_acq (&mem, 17, 0) != -1
+      || mem != -1)
+    {
+      puts ("catomic_compare_and_exchange_val_acq test 4 failed");
+      ret = 1;
+    }
+#endif
+
+  mem = 24;
+  if (catomic_compare_and_exchange_bool_acq (&mem, 35, 24)
+      || mem != 35)
+    {
+      puts ("catomic_compare_and_exchange_bool_acq test 1 failed");
+      ret = 1;
+    }
+
+  mem = 12;
+  if (! catomic_compare_and_exchange_bool_acq (&mem, 10, 15)
+      || mem != 12)
+    {
+      puts ("catomic_compare_and_exchange_bool_acq test 2 failed");
+      ret = 1;
+    }
+
+  mem = -15;
+  if (catomic_compare_and_exchange_bool_acq (&mem, -56, -15)
+      || mem != -56)
+    {
+      puts ("catomic_compare_and_exchange_bool_acq test 3 failed");
+      ret = 1;
+    }
+
+  mem = -1;
+  if (! catomic_compare_and_exchange_bool_acq (&mem, 17, 0)
+      || mem != -1)
+    {
+      puts ("catomic_compare_and_exchange_bool_acq test 4 failed");
+      ret = 1;
+    }
+
+  mem = 2;
+  if (catomic_exchange_and_add (&mem, 11) != 2
+      || mem != 13)
+    {
+      puts ("catomic_exchange_and_add test failed");
+      ret = 1;
+    }
+
+  mem = -21;
+  catomic_add (&mem, 22);
+  if (mem != 1)
+    {
+      puts ("catomic_add test failed");
+      ret = 1;
+    }
+
+  mem = -1;
+  catomic_increment (&mem);
+  if (mem != 0)
+    {
+      puts ("catomic_increment test failed");
+      ret = 1;
+    }
+
+  mem = 2;
+  if (catomic_increment_val (&mem) != 3)
+    {
+      puts ("catomic_increment_val test failed");
+      ret = 1;
+    }
+
+  mem = 17;
+  catomic_decrement (&mem);
+  if (mem != 16)
+    {
+      puts ("catomic_decrement test failed");
+      ret = 1;
+    }
+
+  if (catomic_decrement_val (&mem) != 15)
+    {
+      puts ("catomic_decrement_val test failed");
+      ret = 1;
+    }
+
   return ret;
 }
 
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 84e57e09d0..bfcceea4bc 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -30,6 +30,7 @@
 #include <ldsodefs.h>
 #include <sys/types.h>
 #include <sys/mman.h>
+#include <sysdep-cancel.h>
 
 
 /* Type of the constructor functions.  */
@@ -419,16 +420,21 @@ _dl_close (void *_map)
 
 	      struct r_scoperec *old = imap->l_scoperec;
 
-	      __rtld_mrlock_change (imap->l_scoperec_lock);
-	      imap->l_scoperec = newp;
-	      __rtld_mrlock_done (imap->l_scoperec_lock);
-
-	      if (catomic_increment_val (&old->nusers) != 1)
+	      if (SINGLE_THREAD_P)
+		imap->l_scoperec = newp;
+	      else
 		{
-		  old->remove_after_use = true;
-		  old->notify = true;
-		  if (catomic_decrement_val (&old->nusers) != 0)
-		    __rtld_waitzero (old->nusers);
+		  __rtld_mrlock_change (imap->l_scoperec_lock);
+		  imap->l_scoperec = newp;
+		  __rtld_mrlock_done (imap->l_scoperec_lock);
+
+		  if (atomic_increment_val (&old->nusers) != 1)
+		    {
+		      old->remove_after_use = true;
+		      old->notify = true;
+		      if (atomic_decrement_val (&old->nusers) != 0)
+			__rtld_waitzero (old->nusers);
+		    }
 		}
 
 	      /* No user anymore, we can free it now.  */
diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c
index 7cfcc620a7..72381698db 100644
--- a/elf/dl-lookup.c
+++ b/elf/dl-lookup.c
@@ -207,7 +207,11 @@ _dl_debug_bindings (const char *undef_name, struct link_map *undef_map,
 
 
 /* Search loaded objects' symbol tables for a definition of the symbol
-   UNDEF_NAME, perhaps with a requested version for the symbol.  */
+   UNDEF_NAME, perhaps with a requested version for the symbol.
+
+   We must never have calls to the audit functions inside this function
+   or in any function which gets called.  If this would happen the audit
+   code might create a thread which can throw off all the scope locking.  */
 lookup_t
 internal_function
 _dl_lookup_symbol_x (const char *undef_name, struct link_map *undef_map,
diff --git a/elf/dl-open.c b/elf/dl-open.c
index 35712b5ac0..85b9637305 100644
--- a/elf/dl-open.c
+++ b/elf/dl-open.c
@@ -31,6 +31,7 @@
 #include <ldsodefs.h>
 #include <bp-sym.h>
 #include <caller.h>
+#include <sysdep-cancel.h>
 
 #include <dl-dst.h>
 
@@ -423,15 +424,20 @@ dl_open_worker (void *a)
 
 	      if (old == &imap->l_scoperec_mem)
 		imap->l_scoperec = newp;
+	      else if (SINGLE_THREAD_P)
+		{
+		  imap->l_scoperec = newp;
+		  free (old);
+		}
 	      else
 		{
 		  __rtld_mrlock_change (imap->l_scoperec_lock);
 		  imap->l_scoperec = newp;
 		  __rtld_mrlock_done (imap->l_scoperec_lock);
 
-		  catomic_increment (&old->nusers);
+		  atomic_increment (&old->nusers);
 		  old->remove_after_use = true;
-		  if (catomic_decrement_val (&old->nusers) == 0)
+		  if (atomic_decrement_val (&old->nusers) == 0)
 		    /* No user, we can free it here and now.  */
 		    free (old);
 		}
diff --git a/elf/dl-runtime.c b/elf/dl-runtime.c
index 05fd974bf5..8bf5b89eb6 100644
--- a/elf/dl-runtime.c
+++ b/elf/dl-runtime.c
@@ -24,6 +24,7 @@
 #include <unistd.h>
 #include <sys/param.h>
 #include <ldsodefs.h>
+#include <sysdep-cancel.h>
 #include "dynamic-link.h"
 
 #if (!defined ELF_MACHINE_NO_RELA && !defined ELF_MACHINE_PLT_REL) \
@@ -93,11 +94,11 @@ _dl_fixup (
 	}
 
       struct r_scoperec *scoperec = l->l_scoperec;
-      if (l->l_type == lt_loaded)
+      if (l->l_type == lt_loaded && !SINGLE_THREAD_P)
 	{
 	  __rtld_mrlock_lock (l->l_scoperec_lock);
 	  scoperec = l->l_scoperec;
-	  catomic_increment (&scoperec->nusers);
+	  atomic_increment (&scoperec->nusers);
 	  __rtld_mrlock_unlock (l->l_scoperec_lock);
 	}
 
@@ -106,8 +107,8 @@ _dl_fixup (
 				    ELF_RTYPE_CLASS_PLT,
 				    DL_LOOKUP_ADD_DEPENDENCY, NULL);
 
-      if (l->l_type == lt_loaded
-	  && catomic_decrement_val (&scoperec->nusers) == 0
+      if (l->l_type == lt_loaded && !SINGLE_THREAD_P
+	  && atomic_decrement_val (&scoperec->nusers) == 0
 	  && __builtin_expect (scoperec->remove_after_use, 0))
 	{
 	  if (scoperec->notify)
@@ -195,11 +196,11 @@ _dl_profile_fixup (
 	    }
 
 	  struct r_scoperec *scoperec = l->l_scoperec;
-	  if (l->l_type == lt_loaded)
+	  if (l->l_type == lt_loaded && !SINGLE_THREAD_P)
 	    {
 	      __rtld_mrlock_lock (l->l_scoperec_lock);
 	      scoperec = l->l_scoperec;
-	      catomic_increment (&scoperec->nusers);
+	      atomic_increment (&scoperec->nusers);
 	      __rtld_mrlock_unlock (l->l_scoperec_lock);
 	    }
 
@@ -208,8 +209,8 @@ _dl_profile_fixup (
 					ELF_RTYPE_CLASS_PLT,
 					DL_LOOKUP_ADD_DEPENDENCY, NULL);
 
-	  if (l->l_type == lt_loaded
-	      && catomic_decrement_val (&scoperec->nusers) == 0
+	  if (l->l_type == lt_loaded && !SINGLE_THREAD_P
+	      && atomic_decrement_val (&scoperec->nusers) == 0
 	      && __builtin_expect (scoperec->remove_after_use, 0))
 	    {
 	      if (scoperec->notify)
diff --git a/elf/dl-sym.c b/elf/dl-sym.c
index 43933466b4..34d75a1a67 100644
--- a/elf/dl-sym.c
+++ b/elf/dl-sym.c
@@ -25,6 +25,7 @@
 #include <dlfcn.h>
 #include <ldsodefs.h>
 #include <dl-hash.h>
+#include <sysdep-cancel.h>
 #ifdef USE_TLS
 # include <dl-tls.h>
 #endif
@@ -115,7 +116,7 @@ do_sym (void *handle, const char *name, void *who,
 	 the initial binary.  And then the more complex part
 	 where the object is dynamically loaded and the scope
 	 array can change.  */
-      if (match->l_type != lt_loaded)
+      if (match->l_type != lt_loaded || SINGLE_THREAD_P)
 	result = GLRO(dl_lookup_symbol_x) (name, match, &ref,
 					   match->l_scoperec->scope, vers, 0,
 					   flags | DL_LOOKUP_ADD_DEPENDENCY,
@@ -124,7 +125,7 @@ do_sym (void *handle, const char *name, void *who,
 	{
 	  __rtld_mrlock_lock (match->l_scoperec_lock);
 	  struct r_scoperec *scoperec = match->l_scoperec;
-	  catomic_increment (&scoperec->nusers);
+	  atomic_increment (&scoperec->nusers);
 	  __rtld_mrlock_unlock (match->l_scoperec_lock);
 
 	  struct call_dl_lookup_args args;
@@ -141,7 +142,7 @@ do_sym (void *handle, const char *name, void *who,
 	  int err = GLRO(dl_catch_error) (&objname, &errstring, &malloced,
 					  call_dl_lookup, &args);
 
-	  if (catomic_decrement_val (&scoperec->nusers) == 0
+	  if (atomic_decrement_val (&scoperec->nusers) == 0
 	      && __builtin_expect (scoperec->remove_after_use, 0))
 	    {
 	      if (scoperec->notify)
diff --git a/include/atomic.h b/include/atomic.h
index 340c6e6bfb..ec1e9899f1 100644
--- a/include/atomic.h
+++ b/include/atomic.h
@@ -39,7 +39,12 @@
    Architectures must provide a few lowlevel macros (the compare
    and exchange definitions).  All others are optional.  They
    should only be provided if the architecture has specific
-   support for the operation.  */
+   support for the operation.
+
+   As <atomic.h> macros are usually heavily nested and often use local
+   variables to make sure side-effects are evaluated properly, use for
+   macro local variables a per-macro unique prefix.  This file uses
+   __atgN_ prefix where N is different in each macro.  */
 
 #include <stdlib.h>
 
@@ -50,33 +55,33 @@
    and following args.  */
 #define __atomic_val_bysize(pre, post, mem, ...)			      \
   ({									      \
-    __typeof (*mem) __result;						      \
+    __typeof (*mem) __atg1_result;					      \
     if (sizeof (*mem) == 1)						      \
-      __result = pre##_8_##post (mem, __VA_ARGS__);			      \
+      __atg1_result = pre##_8_##post (mem, __VA_ARGS__);		      \
     else if (sizeof (*mem) == 2)					      \
-      __result = pre##_16_##post (mem, __VA_ARGS__);			      \
+      __atg1_result = pre##_16_##post (mem, __VA_ARGS__);		      \
     else if (sizeof (*mem) == 4)					      \
-      __result = pre##_32_##post (mem, __VA_ARGS__);			      \
+      __atg1_result = pre##_32_##post (mem, __VA_ARGS__);		      \
     else if (sizeof (*mem) == 8)					      \
-      __result = pre##_64_##post (mem, __VA_ARGS__);			      \
+      __atg1_result = pre##_64_##post (mem, __VA_ARGS__);		      \
     else								      \
       abort ();								      \
-    __result;								      \
+    __atg1_result;							      \
   })
 #define __atomic_bool_bysize(pre, post, mem, ...)			      \
   ({									      \
-    int __result;							      \
+    int __atg2_result;							      \
     if (sizeof (*mem) == 1)						      \
-      __result = pre##_8_##post (mem, __VA_ARGS__);			      \
+      __atg2_result = pre##_8_##post (mem, __VA_ARGS__);		      \
     else if (sizeof (*mem) == 2)					      \
-      __result = pre##_16_##post (mem, __VA_ARGS__);			      \
+      __atg2_result = pre##_16_##post (mem, __VA_ARGS__);		      \
     else if (sizeof (*mem) == 4)					      \
-      __result = pre##_32_##post (mem, __VA_ARGS__);			      \
+      __atg2_result = pre##_32_##post (mem, __VA_ARGS__);		      \
     else if (sizeof (*mem) == 8)					      \
-      __result = pre##_64_##post (mem, __VA_ARGS__);			      \
+      __atg2_result = pre##_64_##post (mem, __VA_ARGS__);		      \
     else								      \
       abort ();								      \
-    __result;								      \
+    __atg2_result;							      \
   })
 
 
@@ -124,8 +129,9 @@
 #   define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
   ({ /* Cannot use __oldval here, because macros later in this file might     \
 	call this macro with __oldval argument.	 */			      \
-     __typeof (oldval) __old = (oldval);				      \
-     atomic_compare_and_exchange_val_acq (mem, newval, __old) != __old;	      \
+     __typeof (oldval) __atg3_old = (oldval);				      \
+     atomic_compare_and_exchange_val_acq (mem, newval, __atg3_old)	      \
+       != __atg3_old;							      \
   })
 # endif
 #endif
@@ -140,8 +146,9 @@
 #   define catomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
   ({ /* Cannot use __oldval here, because macros later in this file might     \
 	call this macro with __oldval argument.	 */			      \
-     __typeof (oldval) __old = (oldval);				      \
-     catomic_compare_and_exchange_val_acq (mem, newval, __old) != __old;      \
+     __typeof (oldval) __atg4_old = (oldval);				      \
+     catomic_compare_and_exchange_val_acq (mem, newval, __atg4_old)	      \
+       != __atg4_old;							      \
   })
 # endif
 #endif
@@ -162,18 +169,17 @@
 /* Store NEWVALUE in *MEM and return the old value.  */
 #ifndef atomic_exchange_acq
 # define atomic_exchange_acq(mem, newvalue) \
-  ({ __typeof (*(mem)) __oldval;					      \
-     __typeof (mem) __memp = (mem);					      \
-     __typeof (*(mem)) __value = (newvalue);				      \
+  ({ __typeof (*(mem)) __atg5_oldval;					      \
+     __typeof (mem) __atg5_memp = (mem);				      \
+     __typeof (*(mem)) __atg5_value = (newvalue);			      \
 									      \
      do									      \
-       __oldval = *__memp;						      \
-     while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp,   \
-								    __value,  \
-								    __oldval),\
-			      0));					      \
+       __atg5_oldval = *__atg5_memp;					      \
+     while (__builtin_expect						      \
+	    (atomic_compare_and_exchange_bool_acq (__atg5_memp, __atg5_value, \
+						   __atg5_oldval), 0));	      \
 									      \
-     __oldval; })
+     __atg5_oldval; })
 #endif
 
 #ifndef atomic_exchange_rel
@@ -184,54 +190,53 @@
 /* Add VALUE to *MEM and return the old value of *MEM.  */
 #ifndef atomic_exchange_and_add
 # define atomic_exchange_and_add(mem, value) \
-  ({ __typeof (*(mem)) __oldval;					      \
-     __typeof (mem) __memp = (mem);					      \
-     __typeof (*(mem)) __value = (value);				      \
+  ({ __typeof (*(mem)) __atg6_oldval;					      \
+     __typeof (mem) __atg6_memp = (mem);				      \
+     __typeof (*(mem)) __atg6_value = (value);				      \
 									      \
      do									      \
-       __oldval = *__memp;						      \
-     while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp,   \
-								    __oldval  \
-								    + __value,\
-								    __oldval),\
-			      0));					      \
+       __atg6_oldval = *__atg6_memp;					      \
+     while (__builtin_expect						      \
+	    (atomic_compare_and_exchange_bool_acq (__atg6_memp,		      \
+						   __atg6_oldval	      \
+						   + __atg6_value,	      \
+						   __atg6_oldval), 0));	      \
 									      \
-     __oldval; })
+     __atg6_oldval; })
 #endif
 
 
 #ifndef catomic_exchange_and_add
 # define catomic_exchange_and_add(mem, value) \
-  ({ __typeof (*(mem)) __oldv;						      \
-     __typeof (mem) __memp = (mem);					      \
-     __typeof (*(mem)) __value = (value);				      \
+  ({ __typeof (*(mem)) __atg7_oldv;					      \
+     __typeof (mem) __atg7_memp = (mem);				      \
+     __typeof (*(mem)) __atg7_value = (value);				      \
 									      \
      do									      \
-       __oldv = *__memp;						      \
-     while (__builtin_expect (catomic_compare_and_exchange_bool_acq (__memp,  \
-								     __oldv   \
-								    + __value,\
-								     __oldv), \
-			      0));					      \
+       __atg7_oldv = *__atg7_memp;					      \
+     while (__builtin_expect						      \
+	    (catomic_compare_and_exchange_bool_acq (__atg7_memp,	      \
+						    __atg7_oldv		      \
+						    + __atg7_value,	      \
+						    __atg7_oldv), 0));	      \
 									      \
-     __oldv; })
+     __atg7_oldv; })
 #endif
 
 
 #ifndef atomic_max
 # define atomic_max(mem, value) \
   do {									      \
-    __typeof (*(mem)) __oldval;						      \
-    __typeof (mem) __memp = (mem);					      \
-    __typeof (*(mem)) __value = (value);				      \
+    __typeof (*(mem)) __atg8_oldval;					      \
+    __typeof (mem) __atg8_memp = (mem);					      \
+    __typeof (*(mem)) __atg8_value = (value);				      \
     do {								      \
-      __oldval = *__memp;						      \
-      if (__oldval >= __value)						      \
+      __atg8_oldval = *__atg8_memp;					      \
+      if (__atg8_oldval >= __atg8_value)				      \
 	break;								      \
-    } while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp,  \
-								     __value, \
-								     __oldval),\
-			       0));					      \
+    } while (__builtin_expect						      \
+	     (atomic_compare_and_exchange_bool_acq (__atg8_memp, __atg8_value,\
+						    __atg8_oldval), 0));      \
   } while (0)
 #endif
 
@@ -239,17 +244,17 @@
 #ifndef catomic_max
 # define catomic_max(mem, value) \
   do {									      \
-    __typeof (*(mem)) __oldv;						      \
-    __typeof (mem) __memp = (mem);					      \
-    __typeof (*(mem)) __value = (value);				      \
+    __typeof (*(mem)) __atg9_oldv;					      \
+    __typeof (mem) __atg9_memp = (mem);					      \
+    __typeof (*(mem)) __atg9_value = (value);				      \
     do {								      \
-      __oldv = *__memp;							      \
-      if (__oldv >= __value)						      \
+      __atg9_oldv = *__atg9_memp;					      \
+      if (__atg9_oldv >= __atg9_value)					      \
 	break;								      \
-    } while (__builtin_expect (catomic_compare_and_exchange_bool_acq (__memp, \
-								      __value,\
-								      __oldv),\
-			       0));					      \
+    } while (__builtin_expect						      \
+	     (catomic_compare_and_exchange_bool_acq (__atg9_memp,	      \
+						     __atg9_value,	      \
+						     __atg9_oldv), 0));	      \
   } while (0)
 #endif
 
@@ -257,17 +262,17 @@
 #ifndef atomic_min
 # define atomic_min(mem, value) \
   do {									      \
-    __typeof (*(mem)) __oldval;						      \
-    __typeof (mem) __memp = (mem);					      \
-    __typeof (*(mem)) __value = (value);				      \
+    __typeof (*(mem)) __atg10_oldval;					      \
+    __typeof (mem) __atg10_memp = (mem);				      \
+    __typeof (*(mem)) __atg10_value = (value);				      \
     do {								      \
-      __oldval = *__memp;						      \
-      if (__oldval <= __value)						      \
+      __atg10_oldval = *__atg10_memp;					      \
+      if (__atg10_oldval <= __atg10_value)				      \
 	break;								      \
-    } while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp,  \
-								     __value, \
-								     __oldval),\
-			       0));					      \
+    } while (__builtin_expect						      \
+	     (atomic_compare_and_exchange_bool_acq (__atg10_memp,	      \
+						    __atg10_value,	      \
+						    __atg10_oldval), 0));     \
   } while (0)
 #endif
 
@@ -340,35 +345,34 @@
 /* Decrement *MEM if it is > 0, and return the old value.  */
 #ifndef atomic_decrement_if_positive
 # define atomic_decrement_if_positive(mem) \
-  ({ __typeof (*(mem)) __oldval;					      \
-     __typeof (mem) __memp = (mem);					      \
+  ({ __typeof (*(mem)) __atg11_oldval;					      \
+     __typeof (mem) __atg11_memp = (mem);				      \
 									      \
      do									      \
        {								      \
-	 __oldval = *__memp;						      \
-	 if (__builtin_expect (__oldval <= 0, 0))			      \
+	 __atg11_oldval = *__atg11_memp;				      \
+	 if (__builtin_expect (__atg11_oldval <= 0, 0))			      \
 	   break;							      \
        }								      \
-     while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp,   \
-								    __oldval  \
-								    - 1,      \
-								    __oldval),\
-			      0));\
-     __oldval; })
+     while (__builtin_expect						      \
+	    (atomic_compare_and_exchange_bool_acq (__atg11_memp,	      \
+						   __atg11_oldval - 1,	      \
+						   __atg11_oldval), 0));      \
+     __atg11_oldval; })
 #endif
 
 
 #ifndef atomic_add_negative
 # define atomic_add_negative(mem, value)				      \
-  ({ __typeof (value) __aan_value = (value);				      \
-     atomic_exchange_and_add (mem, __aan_value) < -__aan_value; })
+  ({ __typeof (value) __atg12_value = (value);				      \
+     atomic_exchange_and_add (mem, __atg12_value) < -__atg12_value; })
 #endif
 
 
 #ifndef atomic_add_zero
 # define atomic_add_zero(mem, value)					      \
-  ({ __typeof (value) __aaz_value = (value);				      \
-     atomic_exchange_and_add (mem, __aaz_value) == -__aaz_value; })
+  ({ __typeof (value) __atg13_value = (value);				      \
+     atomic_exchange_and_add (mem, __atg13_value) == -__atg13_value; })
 #endif
 
 
@@ -380,108 +384,102 @@
 
 #ifndef atomic_bit_test_set
 # define atomic_bit_test_set(mem, bit) \
-  ({ __typeof (*(mem)) __oldval;					      \
-     __typeof (mem) __memp = (mem);					      \
-     __typeof (*(mem)) __mask = ((__typeof (*(mem))) 1 << (bit));	      \
+  ({ __typeof (*(mem)) __atg14_old;					      \
+     __typeof (mem) __atg14_memp = (mem);				      \
+     __typeof (*(mem)) __atg14_mask = ((__typeof (*(mem))) 1 << (bit));	      \
 									      \
      do									      \
-       __oldval = (*__memp);						      \
-     while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp,   \
-								    __oldval  \
-								    | __mask, \
-								    __oldval),\
-			      0));					      \
+       __atg14_old = (*__atg14_memp);					      \
+     while (__builtin_expect						      \
+	    (atomic_compare_and_exchange_bool_acq (__atg14_memp,	      \
+						   __atg14_old | __atg14_mask,\
+						   __atg14_old), 0));	      \
 									      \
-     __oldval & __mask; })
+     __atg14_old & __atg14_mask; })
 #endif
 
 /* Atomically *mem &= mask.  */
 #ifndef atomic_and
 # define atomic_and(mem, mask) \
   do {									      \
-    __typeof (*(mem)) __oldval;						      \
-    __typeof (mem) __memp = (mem);					      \
-    __typeof (*(mem)) __mask = (mask);					      \
+    __typeof (*(mem)) __atg15_old;					      \
+    __typeof (mem) __atg15_memp = (mem);				      \
+    __typeof (*(mem)) __atg15_mask = (mask);				      \
 									      \
     do									      \
-      __oldval = (*__memp);						      \
-    while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp,    \
-								   __oldval   \
-								   & __mask,  \
-								   __oldval), \
-			     0));					      \
+      __atg15_old = (*__atg15_memp);					      \
+    while (__builtin_expect						      \
+	   (atomic_compare_and_exchange_bool_acq (__atg15_memp,		      \
+						  __atg15_old & __atg15_mask, \
+						  __atg15_old), 0));	      \
   } while (0)
 #endif
 
 /* Atomically *mem &= mask and return the old value of *mem.  */
 #ifndef atomic_and_val
 # define atomic_and_val(mem, mask) \
-  ({ __typeof (*(mem)) __oldval;					      \
-     __typeof (mem) __memp = (mem);					      \
-     __typeof (*(mem)) __mask = (mask);					      \
+  ({ __typeof (*(mem)) __atg16_old;					      \
+     __typeof (mem) __atg16_memp = (mem);				      \
+     __typeof (*(mem)) __atg16_mask = (mask);				      \
 									      \
      do									      \
-       __oldval = (*__memp);						      \
-     while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp,   \
-								    __oldval  \
-								    & __mask, \
-								    __oldval),\
-			      0));					      \
+       __atg16_old = (*__atg16_memp);					      \
+     while (__builtin_expect						      \
+	    (atomic_compare_and_exchange_bool_acq (__atg16_memp,	      \
+						   __atg16_old & __atg16_mask,\
+						   __atg16_old), 0));	      \
 									      \
-     __oldval; })
+     __atg16_old; })
 #endif
 
 /* Atomically *mem |= mask and return the old value of *mem.  */
 #ifndef atomic_or
 # define atomic_or(mem, mask) \
   do {									      \
-    __typeof (*(mem)) __oldval;						      \
-    __typeof (mem) __memp = (mem);					      \
-    __typeof (*(mem)) __mask = (mask);					      \
+    __typeof (*(mem)) __atg17_old;					      \
+    __typeof (mem) __atg17_memp = (mem);				      \
+    __typeof (*(mem)) __atg17_mask = (mask);				      \
 									      \
     do									      \
-      __oldval = (*__memp);						      \
-    while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp,    \
-								   __oldval   \
-								   | __mask,  \
-								   __oldval), \
-			      0));					      \
+      __atg17_old = (*__atg17_memp);					      \
+    while (__builtin_expect						      \
+	   (atomic_compare_and_exchange_bool_acq (__atg17_memp,		      \
+						  __atg17_old | __atg17_mask, \
+						  __atg17_old), 0));	      \
   } while (0)
 #endif
 
 #ifndef catomic_or
 # define catomic_or(mem, mask) \
   do {									      \
-    __typeof (*(mem)) __oldval;						      \
-    __typeof (mem) __memp = (mem);					      \
-    __typeof (*(mem)) __mask = (mask);					      \
+    __typeof (*(mem)) __atg18_old;					      \
+    __typeof (mem) __atg18_memp = (mem);				      \
+    __typeof (*(mem)) __atg18_mask = (mask);				      \
 									      \
     do									      \
-      __oldval = (*__memp);						      \
-    while (__builtin_expect (catomic_compare_and_exchange_bool_acq (__memp,   \
-								    __oldval  \
-								    | __mask, \
-								    __oldval),\
-			      0));					      \
+      __atg18_old = (*__atg18_memp);					      \
+    while (__builtin_expect						      \
+	   (catomic_compare_and_exchange_bool_acq (__atg18_memp,	      \
+						   __atg18_old | __atg18_mask,\
+						   __atg18_old), 0));	      \
   } while (0)
 #endif
 
 /* Atomically *mem |= mask and return the old value of *mem.  */
 #ifndef atomic_or_val
 # define atomic_or_val(mem, mask) \
-  ({ __typeof (*(mem)) __oldval;					      \
-     __typeof (mem) __memp = (mem);					      \
-     __typeof (*(mem)) __mask = (mask);					      \
+  ({ __typeof (*(mem)) __atg19_old;					      \
+     __typeof (mem) __atg19_memp = (mem);				      \
+     __typeof (*(mem)) __atg19_mask = (mask);				      \
 									      \
      do									      \
-       __oldval = (*__memp);						      \
-     while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp,   \
-								    __oldval  \
-								    | __mask, \
-								    __oldval),\
-			      0));					      \
+       __atg19_old = (*__atg19_memp);					      \
+     while (__builtin_expect						      \
+	    (atomic_compare_and_exchange_bool_acq (__atg19_memp,	      \
+						   __atg19_old | __atg19_mask,\
+						   __atg19_old), 0));	      \
 									      \
-     __oldval; })
+     __atg19_old; })
 #endif
 
 #ifndef atomic_full_barrier
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 38ceb1e909..4cbce0455b 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -4699,7 +4699,7 @@ static void malloc_consolidate(av) mstate av;
        search all bins all the time.  */
     maxfb = &(av->fastbins[fastbin_index(get_max_fast ())]);
 #else
-    maxfb = &(av->fastbins[NFASTBINS]);
+    maxfb = &(av->fastbins[NFASTBINS - 1]);
 #endif
     fb = &(av->fastbins[0]);
     do {
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index a1e64928ae..43933219e8 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,9 @@
+2006-10-17  Jakub Jelinek  <jakub@redhat.com>
+
+	* sysdeps/unix/sysv/linux/rtld-lowlevel.h (__rtld_mrlock_lock,
+	__rtld_mrlock_unlock, __rtld_mrlock_change, __rtld_mrlock_done): Use
+	atomic_* instead of catomic_* macros.
+
 2006-10-12  Ulrich Drepper  <drepper@redhat.com>
 
 	[BZ #3285]
diff --git a/nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h b/nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h
index b16fd2165d..7152dd20aa 100644
--- a/nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h
+++ b/nptl/sysdeps/unix/sysv/linux/rtld-lowlevel.h
@@ -62,9 +62,9 @@ typedef int __rtld_mrlock_t;
 	      {								      \
 		int newval = ((oldval & __RTLD_MRLOCK_RBITS)		      \
 			      + __RTLD_MRLOCK_INC);			      \
-		int ret = catomic_compare_and_exchange_val_acq (&(lock),      \
-								newval,	      \
-								oldval);      \
+		int ret = atomic_compare_and_exchange_val_acq (&(lock),	      \
+							       newval,	      \
+							       oldval);	      \
 		if (__builtin_expect (ret == oldval, 1))		      \
 		  goto out;						      \
 	      }								      \
@@ -72,7 +72,7 @@ typedef int __rtld_mrlock_t;
 	  }								      \
 	if ((oldval & __RTLD_MRLOCK_RWAIT) == 0)			      \
 	  {								      \
-	    catomic_or (&(lock), __RTLD_MRLOCK_RWAIT);			      \
+	    atomic_or (&(lock), __RTLD_MRLOCK_RWAIT);			      \
 	    oldval |= __RTLD_MRLOCK_RWAIT;				      \
 	  }								      \
 	lll_futex_wait (lock, oldval);					      \
@@ -83,7 +83,7 @@ typedef int __rtld_mrlock_t;
 
 #define __rtld_mrlock_unlock(lock) \
   do {									      \
-    int oldval = catomic_exchange_and_add (&(lock), -__RTLD_MRLOCK_INC);      \
+    int oldval = atomic_exchange_and_add (&(lock), -__RTLD_MRLOCK_INC);	      \
     if (__builtin_expect ((oldval					      \
 			   & (__RTLD_MRLOCK_RBITS | __RTLD_MRLOCK_WWAIT))     \
 			  == (__RTLD_MRLOCK_INC | __RTLD_MRLOCK_WWAIT), 0))   \
@@ -103,11 +103,11 @@ typedef int __rtld_mrlock_t;
 	for (int tries = 0; tries < __RTLD_MRLOCK_TRIES; ++tries)	      \
 	  {								      \
 	    oldval = lock;						      \
-	    while (__builtin_expect ((oldval & __RTLD_MRLOCK_RBITS) == 0, 1))\
+	    while (__builtin_expect ((oldval & __RTLD_MRLOCK_RBITS) == 0, 1)) \
 	      {								      \
 		int newval = ((oldval & __RTLD_MRLOCK_RWAIT)		      \
 			      + __RTLD_MRLOCK_WRITER);			      \
-		int ret = catomic_compare_and_exchange_val_acq (&(lock),      \
+		int ret = atomic_compare_and_exchange_val_acq (&(lock),	      \
 							       newval,	      \
 							       oldval);	      \
 		if (__builtin_expect (ret == oldval, 1))		      \
@@ -115,7 +115,7 @@ typedef int __rtld_mrlock_t;
 	      }								      \
 	    atomic_delay ();						      \
 	  }								      \
-	catomic_or (&(lock), __RTLD_MRLOCK_WWAIT);			      \
+	atomic_or (&(lock), __RTLD_MRLOCK_WWAIT);			      \
 	oldval |= __RTLD_MRLOCK_WWAIT;					      \
 	lll_futex_wait (lock, oldval);					      \
       }									      \
@@ -125,7 +125,7 @@ typedef int __rtld_mrlock_t;
 
 #define __rtld_mrlock_done(lock) \
   do {				 \
-    int oldval = catomic_exchange_and_add (&(lock), -__RTLD_MRLOCK_WRITER);   \
+    int oldval = atomic_exchange_and_add (&(lock), -__RTLD_MRLOCK_WRITER);    \
     if (__builtin_expect ((oldval & __RTLD_MRLOCK_RWAIT) != 0, 0))	      \
       lll_futex_wake (&(lock), 0x7fffffff);				      \
   } while (0)
diff --git a/sunrpc/Makefile b/sunrpc/Makefile
index bc826affdd..30f74dc135 100644
--- a/sunrpc/Makefile
+++ b/sunrpc/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1994-2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 1994-2004, 2005, 2006 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
@@ -85,7 +85,7 @@ all: # Make this the default target; it will be defined in Rules.
 
 include ../Makeconfig
 
-tests = tst-xdrmem
+tests = tst-xdrmem tst-xdrmem2
 xtests := tst-getmyaddr
 
 ifeq ($(have-thread-library),yes)
diff --git a/sunrpc/tst-xdrmem2.c b/sunrpc/tst-xdrmem2.c
new file mode 100644
index 0000000000..eed8ccc072
--- /dev/null
+++ b/sunrpc/tst-xdrmem2.c
@@ -0,0 +1,114 @@
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2006.
+
+   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.  */
+
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+#include <rpc/rpc.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+static int
+do_test (void)
+{
+  XDR xdrs;
+  void *buf;
+  size_t ps = sysconf (_SC_PAGESIZE);
+  uintptr_t half = -1;
+  int v_int;
+  u_short v_u_short;
+
+  half = (half >> 1) & ~(uintptr_t) (ps - 1);
+  buf = mmap ((void *) half, 2 * ps, PROT_READ | PROT_WRITE,
+	      MAP_PRIVATE | MAP_ANON, -1, 0);
+  if (buf == MAP_FAILED || buf != (void *) half)
+    {
+      puts ("Couldn't mmap 2 pages in the middle of address space");
+      return 0;
+    }
+
+  xdrmem_create (&xdrs, (char *) buf, 2 * ps, XDR_ENCODE);
+
+#define T(type, val) \
+  v_##type = val;			\
+  if (! xdr_##type (&xdrs, &v_##type))	\
+    {					\
+      puts ("encoding of " #type	\
+	    " " #val " failed");	\
+      return 1;				\
+    }
+
+  T(int, 127)
+
+  u_int pos = xdr_getpos (&xdrs);
+
+  T(u_short, 31)
+
+  if (! xdr_setpos (&xdrs, pos))
+    {
+      puts ("xdr_setpos during encoding failed");
+      return 1;
+    }
+
+  T(u_short, 36)
+
+#undef T
+
+  xdr_destroy (&xdrs);
+
+  xdrmem_create (&xdrs, (char *) buf, 2 * ps, XDR_DECODE);
+
+#define T(type, val) \
+  v_##type = 0x15;			\
+  if (! xdr_##type (&xdrs, &v_##type))	\
+    {					\
+      puts ("decoding of " #type	\
+	    " " #val " failed");	\
+      return 1;				\
+    }					\
+  if (v_##type != val)			\
+    {					\
+      puts ("decoded value differs, "	\
+	    "type " #type " " #val);	\
+      return 1;				\
+    }
+
+  T(int, 127)
+
+  pos = xdr_getpos (&xdrs);
+
+  T(u_short, 36)
+
+  if (! xdr_setpos (&xdrs, pos))
+    {
+      puts ("xdr_setpos during encoding failed");
+      return 1;
+    }
+
+  T(u_short, 36)
+
+#undef T
+
+  xdr_destroy (&xdrs);
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/sunrpc/xdr_mem.c b/sunrpc/xdr_mem.c
index e3167de040..7b1261bbae 100644
--- a/sunrpc/xdr_mem.c
+++ b/sunrpc/xdr_mem.c
@@ -177,13 +177,15 @@ xdrmem_setpos (xdrs, pos)
 {
   caddr_t newaddr = xdrs->x_base + pos;
   caddr_t lastaddr = xdrs->x_private + xdrs->x_handy;
+  size_t handy = lastaddr - newaddr;
 
-  if ((long) newaddr > (long) lastaddr
-      || (UINT_MAX < LONG_MAX
-	  && (long) UINT_MAX < (long) lastaddr - (long) newaddr))
+  if (newaddr > lastaddr
+      || newaddr < xdrs->x_base
+      || handy != (u_int) handy)
     return FALSE;
+
   xdrs->x_private = newaddr;
-  xdrs->x_handy = (long) lastaddr - (long) newaddr;
+  xdrs->x_handy = (u_int) handy;
   return TRUE;
 }
 
diff --git a/sysdeps/i386/i486/bits/atomic.h b/sysdeps/i386/i486/bits/atomic.h
index 218656b2fb..a27734c37e 100644
--- a/sysdeps/i386/i486/bits/atomic.h
+++ b/sysdeps/i386/i486/bits/atomic.h
@@ -425,7 +425,7 @@ typedef uintmax_t uatomic_max_t;
   "cmpl $0, %%gs:%P2\n\tje 0f\n\tlock\n0:\t"
 
 #define catomic_decrement(mem) \
-  __arch_increment_body (__arch_decrement_cprefix, __arch_c, mem)
+  __arch_decrement_body (__arch_decrement_cprefix, __arch_c, mem)
 
 
 #define atomic_decrement_and_test(mem) \
diff --git a/sysdeps/x86_64/bits/atomic.h b/sysdeps/x86_64/bits/atomic.h
index e1981e94d6..65d6b02008 100644
--- a/sysdeps/x86_64/bits/atomic.h
+++ b/sysdeps/x86_64/bits/atomic.h
@@ -81,8 +81,8 @@ typedef uintmax_t uatomic_max_t;
   ({ __typeof (*mem) ret;						      \
      __asm __volatile (LOCK_PREFIX "cmpxchgq %q2, %1"			      \
 		       : "=a" (ret), "=m" (*mem)			      \
-		       : "r" ((long) (newval)), "m" (*mem),		      \
-			 "0" ((long) (oldval)));			      \
+		       : "r" ((long int) (newval)), "m" (*mem),		      \
+			 "0" ((long int) (oldval)));			      \
      ret; })
 
 
@@ -121,12 +121,13 @@ typedef uintmax_t uatomic_max_t;
 
 #define __arch_c_compare_and_exchange_val_64_acq(mem, newval, oldval) \
   ({ __typeof (*mem) ret;						      \
-    __asm __volatile ("cmpl $0, %%fs:%P5\n\t"				      \
-		      "je 0f\n\t"					      \
-		      "lock\n"						      \
+     __asm __volatile ("cmpl $0, %%fs:%P5\n\t"				      \
+		       "je 0f\n\t"					      \
+		       "lock\n"						      \
 		       "0:\tcmpxchgq %q2, %1"				      \
 		       : "=a" (ret), "=m" (*mem)			      \
-		       : "q" (newval), "m" (*mem), "0" (oldval),	      \
+		       : "q" ((long int) (newval)), "m" (*mem),		      \
+			 "0" ((long int)oldval),			      \
 			 "i" (offsetof (tcbhead_t, multiple_threads)));	      \
      ret; })
 
@@ -351,7 +352,7 @@ typedef uintmax_t uatomic_max_t;
   "cmpl $0, %%fs:%P2\n\tje 0f\n\tlock\n0:\t"
 
 #define catomic_decrement(mem) \
-  __arch_increment_body (__arch_decrement_cprefix, mem)
+  __arch_decrement_body (__arch_decrement_cprefix, mem)
 
 
 #define atomic_decrement_and_test(mem) \