Merge changes between r18519 and r18730 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@18731 7b3dc134-2b1b-0410-93df-9e9f96275f8d

9 files changed, 57 insertions, 93 deletions

diff --git a/libc/sysdeps/unix/sysv/linux/s390/bits/hwcap.h b/libc/sysdeps/unix/sysv/linux/s390/bits/hwcap.h
new file mode 100644
index 000000000..7f03ffe46
--- /dev/null
+++ b/libc/sysdeps/unix/sysv/linux/s390/bits/hwcap.h
@@ -0,0 +1,36 @@
+/* Defines for bits in AT_HWCAP.
+   Copyright (C) 2012 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_AUXV_H
+# error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
+#endif
+
+/*
+ * The following must match the kernels asm/elf.h.
+ * Note that these are *not* the same as the STORE FACILITY LIST bits.
+ */
+#define HWCAP_S390_ESAN3        1
+#define HWCAP_S390_ZARCH        2
+#define HWCAP_S390_STFLE        4
+#define HWCAP_S390_MSA          8
+#define HWCAP_S390_LDISP        16
+#define HWCAP_S390_EIMM         32
+#define HWCAP_S390_DFP          64
+#define HWCAP_S390_HPAGE        128
+#define HWCAP_S390_ETF3EH       256
+#define HWCAP_S390_HIGH_GPRS    512
diff --git a/libc/sysdeps/unix/sysv/linux/s390/bits/mman.h b/libc/sysdeps/unix/sysv/linux/s390/bits/mman.h
index 094afbe56..6369e8a81 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/bits/mman.h
+++ b/libc/sysdeps/unix/sysv/linux/s390/bits/mman.h
@@ -97,6 +97,9 @@
 # define MADV_UNMERGEABLE 13	/* KSM may not merge identical pages.  */
 # define MADV_HUGEPAGE	  14	/* Worth backing with hugepages.  */
 # define MADV_NOHUGEPAGE  15	/* Not worth backing with hugepages.  */
+# define MADV_DONTDUMP	  16    /* Explicity exclude from the core dump,
+                                   overrides the coredump filter bits.  */
+# define MADV_DODUMP	  17	/* Clear the MADV_DONTDUMP flag.  */
 # define MADV_HWPOISON	  100	/* Poison a page for testing.  */
 #endif
 
diff --git a/libc/sysdeps/unix/sysv/linux/s390/bits/typesizes.h b/libc/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
index af7021f1e..def84cc79 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
+++ b/libc/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
@@ -1,5 +1,5 @@
 /* bits/typesizes.h -- underlying types for *_t.  Linux/s390 version.
-   Copyright (C) 2003 Free Software Foundation, Inc.
+   Copyright (C) 2003-2012 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
@@ -44,6 +44,7 @@
 #define	__FSBLKCNT64_T_TYPE	__UQUAD_TYPE
 #define	__FSFILCNT_T_TYPE	__ULONGWORD_TYPE
 #define	__FSFILCNT64_T_TYPE	__UQUAD_TYPE
+#define	__FSWORD_T_TYPE		__SWORD_TYPE
 #define	__ID_T_TYPE		__U32_TYPE
 #define __CLOCK_T_TYPE		__SLONGWORD_TYPE
 #define __TIME_T_TYPE		__SLONGWORD_TYPE
@@ -63,7 +64,8 @@
 /* size_t is unsigned long int on s390 -m31.  */
 #define __SSIZE_T_TYPE		__SLONGWORD_TYPE
 #endif
-#define __SNSECONDS_T_TYPE	__SLONGWORD_TYPE
+#define __SYSCALL_SLONG_TYPE	__SLONGWORD_TYPE
+#define __SYSCALL_ULONG_TYPE	__ULONGWORD_TYPE
 
 /* Number of descriptors that can fit in an `fd_set'.  */
 #define	__FD_SETSIZE		1024
diff --git a/libc/sysdeps/unix/sysv/linux/s390/gettimeofday.c b/libc/sysdeps/unix/sysv/linux/s390/gettimeofday.c
index 63faef85b..efbf1e811 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/gettimeofday.c
+++ b/libc/sysdeps/unix/sysv/linux/s390/gettimeofday.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2012 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 <time.h>
 #include <hp-timing.h>
 
-#undef __gettimeofday
 #include <bits/libc-vdso.h>
 
 /* Get the current time of day and timezone information,
@@ -36,6 +35,6 @@ __gettimeofday (tv, tz)
 {
   return INLINE_VSYSCALL (gettimeofday, 2, CHECK_1 (tv), CHECK_1 (tz));
 }
-
-INTDEF (__gettimeofday)
+libc_hidden_def (__gettimeofday)
 weak_alias (__gettimeofday, gettimeofday)
+libc_hidden_weak (gettimeofday)
diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-32/chown.c b/libc/sysdeps/unix/sysv/linux/s390/s390-32/chown.c
index bc471454e..cc0503cbc 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/s390-32/chown.c
+++ b/libc/sysdeps/unix/sysv/linux/s390/s390-32/chown.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000,2001,2002,2003,2004,2006 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2012 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
@@ -24,7 +24,6 @@
 #include <bp-checks.h>
 
 #include <linux/posix_types.h>
-#include <kernel-features.h>
 
 /*
   In Linux 2.1.x the chown functions have been changed.  A new function lchown
@@ -38,58 +37,12 @@
 
 /* Running under Linux > 2.1.80.  */
 
-#ifdef __NR_chown32
-# if __ASSUME_32BITUIDS == 0
-/* This variable is shared with all files that need to check for 32bit
-   uids.  */
-extern int __libc_missing_32bit_uids;
-# endif
-#endif /* __NR_chown32 */
+/* Consider moving to syscalls.list.  */
 
 int
 __real_chown (const char *file, uid_t owner, gid_t group)
 {
-#if __ASSUME_32BITUIDS > 0
   return INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
-#else
-  static int __libc_old_chown;
-  int result;
-
-  if (!__libc_old_chown)
-    {
-      int saved_errno = errno;
-# ifdef __NR_chown32
-      if (__libc_missing_32bit_uids <= 0)
-	{
-	  int result;
-	  int saved_errno = errno;
-
-	  result = INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
-	  if (result == 0 || errno != ENOSYS)
-	    return result;
-
-	  __set_errno (saved_errno);
-	  __libc_missing_32bit_uids = 1;
-	}
-# endif /* __NR_chown32 */
-      if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U))
-	  || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U)))
-	{
-	  __set_errno (EINVAL);
-	  return -1;
-	}
-
-      result = INLINE_SYSCALL (chown, 3, CHECK_STRING (file), owner, group);
-
-      if (result >= 0 || errno != ENOSYS)
-	return result;
-
-      __set_errno (saved_errno);
-      __libc_old_chown = 1;
-    }
-
-  return __lchown (file, owner, group);
-#endif
 }
 
 
diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c b/libc/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c
index 754245a8f..6190d02a6 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c
+++ b/libc/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2001, 2003, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2012 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
@@ -23,46 +23,13 @@
 #include <bp-checks.h>
 
 #include <linux/posix_types.h>
-#include <kernel-features.h>
 
-# ifdef __NR_lchown32
-#  if __ASSUME_32BITUIDS == 0
-/* This variable is shared with all files that need to check for 32bit
-   uids.  */
-extern int __libc_missing_32bit_uids;
-#  endif
-# endif /* __NR_lchown32 */
+/* Consider moving to syscalls.list.  */
 
 int
 __lchown (const char *file, uid_t owner, gid_t group)
 {
-# if __ASSUME_32BITUIDS > 0
   return INLINE_SYSCALL (lchown32, 3, CHECK_STRING (file), owner, group);
-# else
-#  ifdef __NR_lchown32
-  if (__libc_missing_32bit_uids <= 0)
-    {
-      int result;
-      int saved_errno = errno;
-
-      result = INLINE_SYSCALL (lchown32, 3, CHECK_STRING (file), owner, group);
-      if (result == 0 || errno != ENOSYS)
-	return result;
-
-      __set_errno (saved_errno);
-      __libc_missing_32bit_uids = 1;
-    }
-#  endif /* __NR_lchown32 */
-
-  if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U))
-      || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U)))
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-
-  return INLINE_SYSCALL (lchown, 3, CHECK_STRING (file), owner, group);
-# endif
 }
 
 weak_alias (__lchown, lchown)
diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist b/libc/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist
index c015dafbf..728550bdf 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist
+++ b/libc/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libc.abilist
@@ -1758,11 +1758,13 @@ GLIBC_2.15
  scandirat64 F
 GLIBC_2.16
  GLIBC_2.16 A
+ __getauxval F
  __poll_chk F
  __ppoll_chk F
  aligned_alloc F
  c16rtomb F
  c32rtomb F
+ getauxval F
  mbrtoc16 F
  mbrtoc32 F
  timespec_get F
diff --git a/libc/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist b/libc/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist
index 8d57add92..1ca4811ea 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist
+++ b/libc/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libc.abilist
@@ -75,11 +75,13 @@ GLIBC_2.15
  scandirat64 F
 GLIBC_2.16
  GLIBC_2.16 A
+ __getauxval F
  __poll_chk F
  __ppoll_chk F
  aligned_alloc F
  c16rtomb F
  c32rtomb F
+ getauxval F
  mbrtoc16 F
  mbrtoc32 F
  timespec_get F
diff --git a/libc/sysdeps/unix/sysv/linux/s390/sys/ucontext.h b/libc/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
index 5dd023461..e66854d9d 100644
--- a/libc/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
+++ b/libc/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2012 Free Software Foundation, Inc.
    Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -33,7 +33,7 @@ typedef struct
 {
   unsigned long mask;
   unsigned long addr;
-} __attribute__ ((aligned(8))) __psw_t;
+} __attribute__ ((__aligned__(8))) __psw_t;
 
 /* Type for a general-purpose register.  */
 typedef unsigned long greg_t;
@@ -49,7 +49,7 @@ typedef unsigned long greg_t;
 # define NGREG 36
 #endif
 /* Must match kernels psw_t alignment.  */
-typedef greg_t gregset_t[NGREG] __attribute__ ((aligned(8)));
+typedef greg_t gregset_t[NGREG] __attribute__ ((__aligned__(8)));
 
 typedef union
   {