Remove __ASSUME_STAT64_SYSCALL.

22 files changed, 81 insertions, 402 deletions

diff --git a/ChangeLog b/ChangeLog
index 4a5c31d7c1..f72f4b41b3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,38 @@
+2012-08-27  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/kernel-features.h
+	(__ASSUME_STAT64_SYSCALL): Remove all definitions.
+	* sysdeps/unix/sysv/linux/fxstat64.c [!__ASSUME_STAT64_SYSCALL]:
+	Remove conditional code.
+	[__ASSUME_STAT64_SYSCALL]: Make code unconditional.
+	* sysdeps/unix/sysv/linux/fxstatat64.c [!__ASSUME_STAT64_SYSCALL]:
+	Remove conditional code.
+	[__ASSUME_STAT64_SYSCALL]: Make code unconditional.
+	* sysdeps/unix/sysv/linux/i386/fxstat.c
+	[!__ASSUME_STAT64_SYSCALL]: Remove conditional code.
+	[__ASSUME_STAT64_SYSCALL]: Make code unconditional.
+	* sysdeps/unix/sysv/linux/i386/fxstatat.c
+	[!__ASSUME_STAT64_SYSCALL]: Remove conditional code.
+	[__ASSUME_STAT64_SYSCALL]: Make code unconditional.
+	* sysdeps/unix/sysv/linux/i386/lxstat.c
+	[!__ASSUME_STAT64_SYSCALL]: Remove conditional code.
+	[__ASSUME_STAT64_SYSCALL]: Make code unconditional.
+	* sysdeps/unix/sysv/linux/i386/xstat.c [!__ASSUME_STAT64_SYSCALL]:
+	Remove conditional code.
+	[__ASSUME_STAT64_SYSCALL]: Make code unconditional.
+	* sysdeps/unix/sysv/linux/lxstat64.c [!__ASSUME_STAT64_SYSCALL]:
+	Remove conditional code.
+	[__ASSUME_STAT64_SYSCALL]: Make code unconditional.
+	* sysdeps/unix/sysv/linux/sparc/sparc64/xstat.c: Do not include
+	<kernel-features.h>.
+	[__NR_stat64 && !__ASSUME_STAT64_SYSCALL] (__have_no_stat64):
+	Remove.
+	* sysdeps/unix/sysv/linux/xstat64.c [!__ASSUME_STAT64_SYSCALL]:
+	Remove conditional code.
+	[__ASSUME_STAT64_SYSCALL]: Make code unconditional.
+	* sysdeps/unix/sysv/linux/xstatconv.c [!__ASSUME_STAT64_SYSCALL]:
+	Remove conditional.
+
 2012-08-27  Mike Frysinger  <vapier@gentoo.org>
 
 	[BZ #5400]
diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
index f9f616fb0e..1fae5f72f8 100644
--- a/ports/ChangeLog.arm
+++ b/ports/ChangeLog.arm
@@ -1,3 +1,8 @@
+2012-08-27  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/arm/kernel-features.h
+	(__ASSUME_STAT64_SYSCALL): Remove.
+
 2012-08-23  Steve McIntyre  <steve.mcintyre@linaro.org>
 
 	* sysdeps/unix/sysv/linux/arm/ldsodefs.h (VALID_FLOAT_ABI): Define
diff --git a/ports/ChangeLog.hppa b/ports/ChangeLog.hppa
index 97b6c57329..2de923a328 100644
--- a/ports/ChangeLog.hppa
+++ b/ports/ChangeLog.hppa
@@ -1,3 +1,8 @@
+2012-08-27  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/hppa/kernel-features.h
+	(__ASSUME_STAT64_SYSCALL): Remove.
+
 2012-08-20  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/hppa/kernel-features.h
diff --git a/ports/ChangeLog.m68k b/ports/ChangeLog.m68k
index b438631cad..5163cf3f7d 100644
--- a/ports/ChangeLog.m68k
+++ b/ports/ChangeLog.m68k
@@ -1,3 +1,8 @@
+2012-08-27  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/m68k/kernel-features.h
+	(__ASSUME_STAT64_SYSCALL): Remove.
+
 2012-08-21  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/m68k/kernel-features.h
diff --git a/ports/ChangeLog.mips b/ports/ChangeLog.mips
index 8d919d0915..8c41753e58 100644
--- a/ports/ChangeLog.mips
+++ b/ports/ChangeLog.mips
@@ -1,3 +1,8 @@
+2012-08-27  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/mips/kernel-features.h
+	(__ASSUME_STAT64_SYSCALL): Remove.
+
 2012-08-27  Guido Guenther  <agx@sigxcpu.org>
 
 	* sysdeps/mips/fpu_control.h (_FPU_RESERVED): Set bit 23.
diff --git a/ports/ChangeLog.tile b/ports/ChangeLog.tile
index 10acc1ece5..0be61921eb 100644
--- a/ports/ChangeLog.tile
+++ b/ports/ChangeLog.tile
@@ -1,3 +1,8 @@
+2012-08-27  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/tile/kernel-features.h
+	(__ASSUME_STAT64_SYSCALL): Remove.
+
 2012-08-21  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/tile/kernel-features.h
diff --git a/ports/sysdeps/unix/sysv/linux/arm/kernel-features.h b/ports/sysdeps/unix/sysv/linux/arm/kernel-features.h
index 34ed474ca0..e13443dc36 100644
--- a/ports/sysdeps/unix/sysv/linux/arm/kernel-features.h
+++ b/ports/sysdeps/unix/sysv/linux/arm/kernel-features.h
@@ -20,10 +20,6 @@
 /* The utimes syscall was added before 2.6.1.  */
 #define __ASSUME_UTIMES	1
 
-/* On ARM the stat64/lstat64/fstat64 syscalls were introduced in
-   2.3.35.  */
-#define __ASSUME_STAT64_SYSCALL	1
-
 /* The signal frame layout changed in 2.6.18.  */
 #if __LINUX_KERNEL_VERSION >= 132626
 # define __ASSUME_SIGFRAME_V2	1
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/kernel-features.h b/ports/sysdeps/unix/sysv/linux/hppa/kernel-features.h
index d5bec07373..fb0e9c999e 100644
--- a/ports/sysdeps/unix/sysv/linux/hppa/kernel-features.h
+++ b/ports/sysdeps/unix/sysv/linux/hppa/kernel-features.h
@@ -23,7 +23,6 @@
    and expect the final version here.  */
 #define __ASSUME_32BITUIDS		1
 #define __ASSUME_TRUNCATE64_SYSCALL	1
-#define __ASSUME_STAT64_SYSCALL		1
 #define __ASSUME_IPC64			1
 #define __ASSUME_ST_INO_64_BIT		1
 #define __ASSUME_GETDENTS64_SYSCALL	1
diff --git a/ports/sysdeps/unix/sysv/linux/m68k/kernel-features.h b/ports/sysdeps/unix/sysv/linux/m68k/kernel-features.h
index 3df653c48e..dbc77247e3 100644
--- a/ports/sysdeps/unix/sysv/linux/m68k/kernel-features.h
+++ b/ports/sysdeps/unix/sysv/linux/m68k/kernel-features.h
@@ -17,9 +17,6 @@
    License along with the GNU C Library.  If not, see
    <http://www.gnu.org/licenses/>.  */
 
-/* These features were surely available with 2.4.12.  */
-#define __ASSUME_STAT64_SYSCALL	1
-
 /* Many syscalls were added in 2.6.10 for m68k.  */
 #define __ASSUME_UTIMES	1
 
diff --git a/ports/sysdeps/unix/sysv/linux/mips/kernel-features.h b/ports/sysdeps/unix/sysv/linux/mips/kernel-features.h
index d318a31ae6..62c1604e9f 100644
--- a/ports/sysdeps/unix/sysv/linux/mips/kernel-features.h
+++ b/ports/sysdeps/unix/sysv/linux/mips/kernel-features.h
@@ -25,12 +25,6 @@
 /* MIPS had the utimes syscall by 2.6.0.  */
 #define __ASSUME_UTIMES		1
 
-/* MIPS o32 had the stat64 syscalls by 2.6.0, but for n32 and n64 the
-   plain stat syscalls are 64-bit.  */
-#if _MIPS_SIM == _ABIO32
-# define __ASSUME_STAT64_SYSCALL	1
-#endif
-
 /* Support for the eventfd2 and signalfd4 syscalls was added in 2.6.27.  */
 #if __LINUX_KERNEL_VERSION >= 0x02061c
 # define __ASSUME_EVENTFD2	1
diff --git a/ports/sysdeps/unix/sysv/linux/tile/kernel-features.h b/ports/sysdeps/unix/sysv/linux/tile/kernel-features.h
index cebfac4961..106af62399 100644
--- a/ports/sysdeps/unix/sysv/linux/tile/kernel-features.h
+++ b/ports/sysdeps/unix/sysv/linux/tile/kernel-features.h
@@ -18,7 +18,6 @@
 
 
 /* TILE glibc support starts with 2.6.36, guaranteeing many kernel features. */
-#define __ASSUME_STAT64_SYSCALL		1
 #define __ASSUME_UTIMES			1
 #define __ASSUME_O_CLOEXEC		1
 #define __ASSUME_SOCK_CLOEXEC		1
diff --git a/sysdeps/unix/sysv/linux/fxstat64.c b/sysdeps/unix/sysv/linux/fxstat64.c
index dc78647920..b2ad48bdb7 100644
--- a/sysdeps/unix/sysv/linux/fxstat64.c
+++ b/sysdeps/unix/sysv/linux/fxstat64.c
@@ -1,5 +1,5 @@
-/* fxstat64 using old-style Unix fstat system call.
-   Copyright (C) 1997-2002, 2003, 2006 Free Software Foundation, Inc.
+/* fxstat64 using Linux fstat64 system call.
+   Copyright (C) 1997-2012 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
@@ -27,57 +27,18 @@
 
 #include <kernel-features.h>
 
-#if __ASSUME_STAT64_SYSCALL == 0
-# include <xstatconv.h>
-#endif
-
-#ifdef __NR_fstat64
-# if  __ASSUME_STAT64_SYSCALL == 0
-/* The variable is shared between all wrappers around *stat64 calls.  */
-extern int __have_no_stat64;
-# endif
-#endif
-
 /* Get information about the file FD in BUF.  */
 
 int
 ___fxstat64 (int vers, int fd, struct stat64 *buf)
 {
   int result;
-#if __ASSUME_STAT64_SYSCALL > 0
   result = INLINE_SYSCALL (fstat64, 2, fd, CHECK_1 (buf));
-# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
+#if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
   if (__builtin_expect (!result, 1) && buf->__st_ino != (__ino_t) buf->st_ino)
     buf->st_ino = buf->__st_ino;
-# endif
-  return result;
-#else
-  struct kernel_stat kbuf;
-# if defined __NR_fstat64
-  if (! __have_no_stat64)
-    {
-      int saved_errno = errno;
-      result = INLINE_SYSCALL (fstat64, 2, fd, CHECK_1 (buf));
-
-      if (result != -1 || errno != ENOSYS)
-	{
-#  if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
-	  if (!result && buf->__st_ino != (__ino_t)buf->st_ino)
-	    buf->st_ino = buf->__st_ino;
-#  endif
-	  return result;
-	}
-
-      __set_errno (saved_errno);
-      __have_no_stat64 = 1;
-    }
-# endif
-  result = INLINE_SYSCALL (fstat, 2, fd, __ptrvalue (&kbuf));
-  if (result == 0)
-    result = __xstat64_conv (vers, &kbuf, buf);
-
-  return result;
 #endif
+  return result;
 }
 
 #include <shlib-compat.h>
diff --git a/sysdeps/unix/sysv/linux/fxstatat64.c b/sysdeps/unix/sysv/linux/fxstatat64.c
index fff9444f0a..4aa60df7ab 100644
--- a/sysdeps/unix/sysv/linux/fxstatat64.c
+++ b/sysdeps/unix/sysv/linux/fxstatat64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2012 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
@@ -29,18 +29,6 @@
 
 #include <kernel-features.h>
 
-#if __ASSUME_STAT64_SYSCALL == 0
-# include <xstatconv.h>
-#endif
-
-#ifdef __NR_stat64
-# if  __ASSUME_STAT64_SYSCALL == 0
-/* The variable is shared between all wrappers around *stat64 calls.
-   This is the definition.  */
-extern int __have_no_stat64;
-# endif
-#endif
-
 /* Get information about the file NAME in BUF.  */
 
 int
@@ -110,7 +98,6 @@ __fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag)
       file = buf;
     }
 
-# if __ASSUME_STAT64_SYSCALL > 0
   if (flag & AT_SYMLINK_NOFOLLOW)
     result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file),
 			       CHECK_1 (st));
@@ -119,51 +106,12 @@ __fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag)
 			       CHECK_1 (st));
   if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
     {
-#  if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
+# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
       if (st->__st_ino != (__ino_t) st->st_ino)
 	st->st_ino = st->__st_ino;
-#  endif
+# endif
       return result;
     }
-# else
-  struct kernel_stat kst;
-#  ifdef __NR_stat64
-  if (! __have_no_stat64)
-    {
-      if (flag & AT_SYMLINK_NOFOLLOW)
-	result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file),
-				   CHECK_1 (st));
-      else
-	result = INTERNAL_SYSCALL (stat64, err, 2, CHECK_STRING (file),
-				   CHECK_1 (st));
-
-      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
-	{
-#   if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
-	  if (st->__st_ino != (__ino_t) st->st_ino)
-	    st->st_ino = st->__st_ino;
-#   endif
-	  return result;
-	}
-      if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
-	goto fail;
-
-      __have_no_stat64 = 1;
-    }
-#  endif
-
-  if (flag & AT_SYMLINK_NOFOLLOW)
-    result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file),
-			       __ptrvalue (&kst));
-  else
-    result = INTERNAL_SYSCALL (stat, err, 2, CHECK_STRING (file),
-			       __ptrvalue (&kst));
-
-  if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
-    return __xstat64_conv (vers, &kst, st);
-
- fail:
-# endif
   __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf);
 
   return -1;
diff --git a/sysdeps/unix/sysv/linux/i386/fxstat.c b/sysdeps/unix/sysv/linux/i386/fxstat.c
index 5077780f0c..a1a950ee7a 100644
--- a/sysdeps/unix/sysv/linux/i386/fxstat.c
+++ b/sysdeps/unix/sysv/linux/i386/fxstat.c
@@ -1,6 +1,5 @@
 /* fxstat using old-style Unix fstat system call.
-   Copyright (C) 1991,1995-1998,2000,2002,2003,2006
-	Free Software Foundation, Inc.
+   Copyright (C) 1991-2012 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
@@ -34,26 +33,15 @@
 
 #include <xstatconv.h>
 
-#ifdef __NR_stat64
-# if  __ASSUME_STAT64_SYSCALL == 0
-/* The variable is shared between all wrappers around *stat64 calls.  */
-extern int __have_no_stat64;
-# endif
-#endif
-
 /* Get information about the file FD in BUF.  */
 int
 __fxstat (int vers, int fd, struct stat *buf)
 {
-#if __ASSUME_STAT64_SYSCALL == 0
-  struct kernel_stat kbuf;
-#endif
   int result;
 
   if (vers == _STAT_VER_KERNEL)
     return INLINE_SYSCALL (fstat, 2, fd, CHECK_1 ((struct kernel_stat *) buf));
 
-#if __ASSUME_STAT64_SYSCALL > 0
   {
     struct stat64 buf64;
 
@@ -62,33 +50,6 @@ __fxstat (int vers, int fd, struct stat *buf)
       result = __xstat32_conv (vers, &buf64, buf);
     return result;
   }
-#else
-
-# if defined __NR_stat64
-  /* To support 32 bit UIDs, we have to use stat64.  The normal stat call only returns
-     16 bit UIDs.  */
-  if (! __have_no_stat64)
-    {
-      struct stat64 buf64;
-
-      result = INLINE_SYSCALL (fstat64, 2, fd, __ptrvalue (&buf64));
-
-      if (result == 0)
-	result = __xstat32_conv (vers, &buf64, buf);
-
-      if (result != -1 || errno != ENOSYS)
-	return result;
-
-      __have_no_stat64 = 1;
-    }
-# endif
-
-  result = INLINE_SYSCALL (fstat, 2, fd, __ptrvalue (&kbuf));
-  if (result == 0)
-    result = __xstat_conv (vers, &kbuf, buf);
-
-  return result;
-#endif  /* __ASSUME_STAT64_SYSCALL  */
 }
 
 hidden_def (__fxstat)
diff --git a/sysdeps/unix/sysv/linux/i386/fxstatat.c b/sysdeps/unix/sysv/linux/i386/fxstatat.c
index 7aae336e0e..d1e81e081b 100644
--- a/sysdeps/unix/sysv/linux/i386/fxstatat.c
+++ b/sysdeps/unix/sysv/linux/i386/fxstatat.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2005-2012 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
@@ -35,13 +35,6 @@
 
 #include <xstatconv.h>
 
-#ifdef __NR_stat64
-# if __ASSUME_STAT64_SYSCALL == 0
-/* The variable is shared between all wrappers around *stat64 calls.  */
-extern int __have_no_stat64;
-# endif
-#endif
-
 
 /* Get information about the file NAME relative to FD in ST.  */
 int
@@ -106,9 +99,6 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
       file = buf;
     }
 
-# if __ASSUME_STAT64_SYSCALL == 0
-  struct kernel_stat kst;
-# endif
   if (vers == _STAT_VER_KERNEL)
     {
       if (flag & AT_SYMLINK_NOFOLLOW)
@@ -120,8 +110,6 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
       goto out;
     }
 
-# if __ASSUME_STAT64_SYSCALL > 0
-
   if (flag & AT_SYMLINK_NOFOLLOW)
     result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file),
 			       __ptrvalue (&st64));
@@ -130,38 +118,6 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
 			       __ptrvalue (&st64));
   if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
     return __xstat32_conv (vers, &st64, st);
-# else
-#  if defined __NR_stat64
-  /* To support 32 bit UIDs, we have to use stat64.  The normal stat
-     call only returns 16 bit UIDs.  */
-  if (! __have_no_stat64)
-    {
-      if (flag & AT_SYMLINK_NOFOLLOW)
-	result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file),
-				   __ptrvalue (&st64));
-      else
-	result = INTERNAL_SYSCALL (stat64, err, 2, CHECK_STRING (file),
-				   __ptrvalue (&st64));
-
-      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
-	result = __xstat32_conv (vers, &st64, st);
-
-      if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)
-	  || INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS)
-	goto out;
-
-      __have_no_stat64 = 1;
-    }
-#  endif
-  if (flag & AT_SYMLINK_NOFOLLOW)
-    result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file),
-			       __ptrvalue (&kst));
-  else
-    result = INTERNAL_SYSCALL (stat, err, 2, CHECK_STRING (file),
-			       __ptrvalue (&kst));
-  if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
-    return __xstat_conv (vers, &kst, st);
-# endif  /* __ASSUME_STAT64_SYSCALL  */
 
  out:
   if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
diff --git a/sysdeps/unix/sysv/linux/i386/lxstat.c b/sysdeps/unix/sysv/linux/i386/lxstat.c
index 8994e1700a..2b1ecaa0d9 100644
--- a/s