2.5-18.1

9 files changed, 373 insertions, 45 deletions

diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h
new file mode 100644
index 0000000000..ab95fb57ee
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/local_lim.h
@@ -0,0 +1,90 @@
+/* Minimum guaranteed maximum values for system limits.  Linux/PPC version.
+   Copyright (C) 1993-1998,2000,2002-2004,2006 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
+   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; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* The kernel header pollutes the namespace with the NR_OPEN symbol
+   and defines LINK_MAX although filesystems have different maxima.  A
+   similar thing is true for OPEN_MAX: the limit can be changed at
+   runtime and therefore the macro must not be defined.  Remove this
+   after including the header if necessary.  */
+#ifndef NR_OPEN
+# define __undef_NR_OPEN
+#endif
+#ifndef LINK_MAX
+# define __undef_LINK_MAX
+#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
+
+/* The kernel sources contain a file with all the needed information.  */
+#include <linux/limits.h>
+
+/* Have to remove NR_OPEN?  */
+#ifdef __undef_NR_OPEN
+# undef NR_OPEN
+# undef __undef_NR_OPEN
+#endif
+/* Have to remove LINK_MAX?  */
+#ifdef __undef_LINK_MAX
+# undef LINK_MAX
+# undef __undef_LINK_MAX
+#endif
+/* Have to remove OPEN_MAX?  */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
+
+/* The number of data keys per process.  */
+#define _POSIX_THREAD_KEYS_MAX	128
+/* This is the value this implementation supports.  */
+#define PTHREAD_KEYS_MAX	1024
+
+/* Controlling the iterations of destructors for thread-specific data.  */
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS	4
+/* Number of iterations this implementation does.  */
+#define PTHREAD_DESTRUCTOR_ITERATIONS	_POSIX_THREAD_DESTRUCTOR_ITERATIONS
+
+/* The number of threads per process.  */
+#define _POSIX_THREAD_THREADS_MAX	64
+/* We have no predefined limit on the number of threads.  */
+#undef PTHREAD_THREADS_MAX
+
+/* Maximum amount by which a process can descrease its asynchronous I/O
+   priority level.  */
+#define AIO_PRIO_DELTA_MAX	20
+
+/* Minimum size for a thread.  At least two pages for systems with 64k
+   pages.  */
+#define PTHREAD_STACK_MIN	131072
+
+/* Maximum number of timer expiration overruns.  */
+#define DELAYTIMER_MAX	2147483647
+
+/* Maximum tty name length.  */
+#define TTY_NAME_MAX		32
+
+/* Maximum login name length.  This is arbitrary.  */
+#define LOGIN_NAME_MAX		256
+
+/* Maximum host name length.  */
+#define HOST_NAME_MAX		64
+
+/* Maximum message queue priority level.  */
+#define MQ_PRIO_MAX		32768
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h
index 90c0695697..a7150f6aef 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h
@@ -1,5 +1,5 @@
 /* Machine-specific pthread type layouts.  PowerPC version.
-   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003.
 
@@ -58,11 +58,25 @@ typedef union
 } pthread_attr_t;
 
 
+#if __WORDSIZE == 64
+typedef struct __pthread_internal_list
+{
+  struct __pthread_internal_list *__prev;
+  struct __pthread_internal_list *__next;
+} __pthread_list_t;
+#else
+typedef struct __pthread_internal_slist
+{
+  struct __pthread_internal_slist *__next;
+} __pthread_slist_t;
+#endif
+
+
 /* Data structures for mutex handling.  The structure of the attribute
    type is deliberately not exposed.  */
 typedef union
 {
-  struct
+  struct __pthread_mutex_s
   {
     int __lock;
     unsigned int __count;
@@ -73,10 +87,18 @@ typedef union
     /* KIND must stay at this position in the structure to maintain
        binary compatibility.  */
     int __kind;
-#if __WORDSIZE != 64
+#if __WORDSIZE == 64
+    int __spins;
+    __pthread_list_t __list;
+# define __PTHREAD_MUTEX_HAVE_PREV	1
+#else
     unsigned int __nusers;
+    __extension__ union
+    {
+      int __spins;
+      __pthread_slist_t __list;
+    };
 #endif
-    int __spins;
   } __data;
   char __size[__SIZEOF_PTHREAD_MUTEX_T];
   long int __align;
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
index 2bee000730..0136b97595 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
@@ -1,4 +1,4 @@
-/* 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 Paul Mackerras <paulus@au.ibm.com>, 2003.
 
@@ -13,7 +13,7 @@
    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 Libr	\ary; if not, write to the Free
+   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.  */
 
@@ -33,6 +33,11 @@
 #define FUTEX_WAKE		1
 #define FUTEX_REQUEUE		3
 #define FUTEX_CMP_REQUEUE	4
+#define FUTEX_WAKE_OP		5
+#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE	((4 << 24) | 1)
+#define FUTEX_LOCK_PI		6
+#define FUTEX_UNLOCK_PI		7
+#define FUTEX_TRYLOCK_PI	8
 
 /* Initializer for compatibility lock.	*/
 #define LLL_MUTEX_LOCK_INITIALIZER (0)
@@ -67,6 +72,17 @@
     INTERNAL_SYSCALL_ERROR_P (__ret, __err) ? -__ret : __ret;		      \
   })
 
+#define lll_robust_mutex_dead(futexv) \
+  do									      \
+    {									      \
+      INTERNAL_SYSCALL_DECL (__err);					      \
+      int *__futexp = &(futexv);					      \
+									      \
+      atomic_or (__futexp, FUTEX_OWNER_DIED);				      \
+      INTERNAL_SYSCALL (futex, __err, 4, __futexp, FUTEX_WAKE, 1, 0);	      \
+    }									      \
+  while (0)
+
 /* Returns non-zero if error happened, zero if success.  */
 #define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val) \
   ({									      \
@@ -79,16 +95,43 @@
     INTERNAL_SYSCALL_ERROR_P (__ret, __err);				      \
   })
 
+/* Returns non-zero if error happened, zero if success.  */
+#define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) \
+  ({									      \
+    INTERNAL_SYSCALL_DECL (__err);					      \
+    long int __ret;							      \
+									      \
+    __ret = INTERNAL_SYSCALL (futex, __err, 6,				      \
+			      (futexp), FUTEX_WAKE_OP, (nr_wake),	      \
+			      (nr_wake2), (futexp2),			      \
+			      FUTEX_OP_CLEAR_WAKE_IF_GT_ONE);		      \
+    INTERNAL_SYSCALL_ERROR_P (__ret, __err);				      \
+  })
+
 #ifdef UP
 # define __lll_acq_instr	""
 # define __lll_rel_instr	""
 #else
 # define __lll_acq_instr	"isync"
-# define __lll_rel_instr	"sync"
+# ifdef _ARCH_PWR4
+/*
+ * Newer powerpc64 processors support the new "light weight" sync (lwsync)
+ * So if the build is using -mcpu=[power4,power5,power5+,970] we can
+ * safely use lwsync.
+ */
+#  define __lll_rel_instr	"lwsync"
+# else
+/*
+ * Older powerpc32 processors don't support the new "light weight"
+ * sync (lwsync).  So the only safe option is to use normal sync
+ * for all powerpc32 applications.
+ */
+#  define __lll_rel_instr	"sync"
+# endif
 #endif
 
-/* Set *futex to 1 if it is 0, atomically.  Returns the old value */
-#define __lll_trylock(futex) \
+/* Set *futex to ID if it is 0, atomically.  Returns the old value */
+#define __lll_robust_trylock(futex, id) \
   ({ int __val;								      \
      __asm __volatile ("1:	lwarx	%0,0,%2\n"			      \
 		       "	cmpwi	0,%0,0\n"			      \
@@ -97,31 +140,26 @@
 		       "	bne-	1b\n"				      \
 		       "2:	" __lll_acq_instr			      \
 		       : "=&r" (__val), "=m" (*futex)			      \
-		       : "r" (futex), "r" (1), "m" (*futex)		      \
+		       : "r" (futex), "r" (id), "m" (*futex)		      \
 		       : "cr0", "memory");				      \
      __val;								      \
   })
 
+#define lll_robust_mutex_trylock(lock, id) __lll_robust_trylock (&(lock), id)
+
+/* Set *futex to 1 if it is 0, atomically.  Returns the old value */
+#define __lll_trylock(futex) __lll_robust_trylock (futex, 1)
+
 #define lll_mutex_trylock(lock)	__lll_trylock (&(lock))
 
 /* Set *futex to 2 if it is 0, atomically.  Returns the old value */
-#define __lll_cond_trylock(futex) \
-  ({ int __val;								      \
-     __asm __volatile ("1:	lwarx	%0,0,%2\n"			      \
-		       "	cmpwi	0,%0,0\n"			      \
-		       "	bne	2f\n"				      \
-		       "	stwcx.	%3,0,%2\n"			      \
-		       "	bne-	1b\n"				      \
-		       "2:	" __lll_acq_instr			      \
-		       : "=&r" (__val), "=m" (*futex)			      \
-		       : "r" (futex), "r" (2), "m" (*futex)		      \
-		       : "cr0", "memory");				      \
-     __val;								      \
-  })
+#define __lll_cond_trylock(futex) __lll_robust_trylock (futex, 2)
+
 #define lll_mutex_cond_trylock(lock)	__lll_cond_trylock (&(lock))
 
 
 extern void __lll_lock_wait (int *futex) attribute_hidden;
+extern int __lll_robust_lock_wait (int *futex) attribute_hidden;
 
 #define lll_mutex_lock(lock) \
   (void) ({								      \
@@ -131,6 +169,16 @@ extern void __lll_lock_wait (int *futex) attribute_hidden;
       __lll_lock_wait (__futex);					      \
   })
 
+#define lll_robust_mutex_lock(lock, id) \
+  ({									      \
+    int *__futex = &(lock);						      \
+    int __val = 0;							      \
+    if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, id,  \
+								0), 0))	      \
+      __val = __lll_robust_lock_wait (__futex);				      \
+    __val;								      \
+  })
+
 #define lll_mutex_cond_lock(lock) \
   (void) ({								      \
     int *__futex = &(lock);						      \
@@ -139,8 +187,22 @@ extern void __lll_lock_wait (int *futex) attribute_hidden;
       __lll_lock_wait (__futex);					      \
   })
 
+#define lll_robust_mutex_cond_lock(lock, id) \
+  ({									      \
+    int *__futex = &(lock);						      \
+    int __val = 0;							      \
+    int __id = id | FUTEX_WAITERS;					      \
+    if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, __id,\
+								0), 0))	      \
+      __val = __lll_robust_lock_wait (__futex);				      \
+    __val;								      \
+  })
+
+
 extern int __lll_timedlock_wait
   (int *futex, const struct timespec *) attribute_hidden;
+extern int __lll_robust_timedlock_wait
+  (int *futex, const struct timespec *) attribute_hidden;
 
 #define lll_mutex_timedlock(lock, abstime) \
   ({									      \
@@ -152,6 +214,16 @@ extern int __lll_timedlock_wait
     __val;								      \
   })
 
+#define lll_robust_mutex_timedlock(lock, abstime, id) \
+  ({									      \
+    int *__futex = &(lock);						      \
+    int __val = 0;							      \
+    if (__builtin_expect (atomic_compare_and_exchange_bool_acq (__futex, id,  \
+								0), 0))	      \
+      __val = __lll_robust_timedlock_wait (__futex, abstime);		      \
+    __val;								      \
+  })
+
 #define lll_mutex_unlock(lock) \
   ((void) ({								      \
     int *__futex = &(lock);						      \
@@ -160,6 +232,14 @@ extern int __lll_timedlock_wait
       lll_futex_wake (__futex, 1);					      \
   }))
 
+#define lll_robust_mutex_unlock(lock) \
+  ((void) ({								      \
+    int *__futex = &(lock);						      \
+    int __val = atomic_exchange_rel (__futex, 0);			      \
+    if (__builtin_expect (__val & FUTEX_WAITERS, 0))			      \
+      lll_futex_wake (__futex, 1);					      \
+  }))
+
 #define lll_mutex_unlock_force(lock) \
   ((void) ({								      \
     int *__futex = &(lock);						      \
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
index e19579e842..675a997e97 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
@@ -1,3 +1,9 @@
-#define RESET_PID
-#include <tcb-offsets.h>
-#include <sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S>
+/* We want an #include_next, but we are the main source file.
+   So, #include ourselves and in that incarnation we can use #include_next.  */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
index 7f5ba4aeef..3752abc870 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
@@ -1,5 +1,5 @@
 /* Cancellable system call stubs.  Linux/PowerPC version.
-   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>, 2003.
 
@@ -15,8 +15,8 @@
 
    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.  */
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
 
 #include <sysdep.h>
 #include <tls.h>
@@ -30,7 +30,6 @@
 # define PSEUDO(name, syscall_name, args)				\
   .section ".text";							\
   ENTRY (name)								\
-    cfi_startproc;							\
     SINGLE_THREAD_P;							\
     bne- .Lpseudo_cancel;						\
   .type __##syscall_name##_nocancel,@function;				\
@@ -45,6 +44,7 @@
     mflr 9;								\
     stw 9,52(1);							\
     cfi_offset (lr, 4);							\
+    CGOTSETUP;								\
     DOCARGS_##args;	/* save syscall args around CENABLE.  */	\
     CENABLE;								\
     stw 3,16(1);	/* store CENABLE return value (MASK).  */	\
@@ -58,10 +58,10 @@
     lwz 4,52(1);							\
     lwz 0,12(1);	/* restore CR/R3. */				\
     lwz 3,8(1);								\
+    CGOTRESTORE;							\
     mtlr 4;								\
     mtcr 0;								\
-    addi 1,1,48;							\
-    cfi_endproc;
+    addi 1,1,48;
 
 # define DOCARGS_0
 # define UNDOCARGS_0
@@ -84,15 +84,30 @@
 # define DOCARGS_6	stw 8,40(1); DOCARGS_5
 # define UNDOCARGS_6	lwz 8,40(1); UNDOCARGS_5
 
+# define CGOTSETUP
+# define CGOTRESTORE
+
 # ifdef IS_IN_libpthread
-#  define CENABLE	bl JUMPTARGET(__pthread_enable_asynccancel)
-#  define CDISABLE	bl JUMPTARGET(__pthread_disable_asynccancel)
+#  define CENABLE	bl __pthread_enable_asynccancel@local
+#  define CDISABLE	bl __pthread_disable_asynccancel@local
 # elif !defined NOT_IN_libc
-#  define CENABLE	bl JUMPTARGET(__libc_enable_asynccancel)
-#  define CDISABLE	bl JUMPTARGET(__libc_disable_asynccancel)
+#  define CENABLE	bl __libc_enable_asynccancel@local
+#  define CDISABLE	bl __libc_disable_asynccancel@local
 # elif defined IS_IN_librt
 #  define CENABLE	bl JUMPTARGET(__librt_enable_asynccancel)
 #  define CDISABLE	bl JUMPTARGET(__librt_disable_asynccancel)
+#  if defined HAVE_AS_REL16 && defined PIC
+#   undef CGOTSETUP
+#   define CGOTSETUP							\
+    bcl 20,31,1f;							\
+ 1: stw 30,44(1);							\
+    mflr 30;								\
+    addis 30,30,_GLOBAL_OFFSET_TABLE-1b@ha;				\
+    addi 30,30,_GLOBAL_OFFSET_TABLE-1b@l
+#   undef CGOTRESTORE
+#   define CGOTRESTORE							\
+    lwz 30,44(1)
+#  endif
 # else
 #  error Unsupported library
 # endif
@@ -113,3 +128,9 @@
 # define NO_CANCELLATION 1
 
 #endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+				   header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
index f87adf4737..675a997e97 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
@@ -1,3 +1,9 @@
-#define RESET_PID
-#include <tcb-offsets.h>
-#include <sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S>
+/* We want an #include_next, but we are the main source file.
+   So, #include ourselves and in that incarnation we can use #include_next.  */
+#ifndef INCLUDED_SELF
+# define INCLUDED_SELF
+# include <clone.S>
+#else
+# define RESET_PID
+# include_next <clone.S>
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
index 226aaafdce..707765ab58 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
@@ -1,5 +1,5 @@
 /* Cancellable system call stubs.  Linux/PowerPC64 version.
-   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 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>, 2003.
 
@@ -15,8 +15,8 @@
 
    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.  */
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
+   02110-1301 USA.  */
 
 #include <sysdep.h>
 #include <tls.h>
@@ -36,7 +36,6 @@
 # define PSEUDO(name, syscall_name, args)				\
   .section ".text";							\
   ENTRY (name)								\
-    cfi_startproc;							\
     SINGLE_THREAD_P;							\
     bne- .Lpseudo_cancel;						\
   .type DASHDASHPFX(syscall_name##_nocancel),@function;			\
@@ -66,8 +65,7 @@
     ld   3,64(1);							\
     mtlr 9;								\
     mtcr 0;								\
-    addi 1,1,128;							\
-    cfi_endproc;
+    addi 1,1,128;
 
 # define DOCARGS_0
 # define UNDOCARGS_0
@@ -119,3 +117,9 @@
 # define NO_CANCELLATION 1
 
 #endif
+
+#ifndef __ASSEMBLER__
+# define RTLD_SINGLE_THREAD_P \
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+				   header.multiple_threads) == 0, 1)
+#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstack.c b/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstack.c
new file mode 100644
index 0000000000..8aa971ab9a
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstack.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 2002, 2003, 2006 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include "pthreadP.h"
+
+
+int
+__pthread_attr_setstack (attr, stackaddr, stacksize)
+     pthread_attr_t *attr;
+     void *stackaddr;
+     size_t stacksize;
+{
+  struct pthread_attr *iattr;
+
+  assert (sizeof (*attr) >= sizeof (struct pthread_attr));
+  iattr = (struct pthread_attr *) attr;
+
+  /* Catch invalid sizes.  */
+  if (stacksize < 16384)
+    return EINVAL;
+
+#ifdef EXTRA_PARAM_CHECKS
+  EXTRA_PARAM_CHECKS;
+#endif
+
+  iattr->stacksize = stacksize;
+  iattr->stackaddr = (char *) stackaddr + stacksize;
+  iattr->flags |= ATTR_FLAG_STACKADDR;
+
+  return 0;
+}
+strong_alias (__pthread_attr_setstack, pthread_attr_setstack)
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstacksize.c b/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstacksize.c
new file mode 100644
index 0000000000..ea8c95981e
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/pthread_attr_setstacksize.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 2002, 2003, 2006 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <assert.h>
+#include <errno.h>
+#include <limits.h>
+#include "pthreadP.h"
+
+
+int
+__pthread_attr_setstacksize (attr, stacksize)
+     pthread_attr_t *attr;
+     size_t stacksize;
+{
+  struct pthread_attr *iattr;
+
+  assert (sizeof (*attr) >= sizeof (struct pthread_attr));
+  iattr = (struct pthread_attr *) attr;
+
+  /* Catch invalid sizes.  */
+  if (stacksize < 16384)
+    return EINVAL;
+
+  size_t ps = __getpagesize ();
+  if (stacksize < 2 * ps)
+    stacksize = 2 * ps;
+
+  iattr->stacksize = stacksize;
+
+  return 0;
+}
+strong_alias (__pthread_attr_setstacksize, pthread_attr_setstacksize)