sync with upstream via psm

6 files changed, 165 insertions, 53 deletions

diff --git a/libc/sysdeps/linux/sparc/bits/fcntl.h b/libc/sysdeps/linux/sparc/bits/fcntl.h
index b7f46e403..5314a5240 100644
--- a/libc/sysdeps/linux/sparc/bits/fcntl.h
+++ b/libc/sysdeps/linux/sparc/bits/fcntl.h
@@ -24,6 +24,9 @@
 
 #include <sys/types.h>
 #include <bits/wordsize.h>
+#ifdef __USE_GNU
+# include <bits/uio.h>
+#endif
 
 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
    located on an ext2 file system */
@@ -199,16 +202,45 @@ struct flock64
 # define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
 #endif
 
-/* Linux-specific operations for posix_fadvise.  */
+
 #ifdef __USE_GNU
-# define LINUX_FADV_ASYNC_WRITE	32 /* Start writeout on range.  */
-# define LINUX_FADV_WRITE_WAIT	33 /* Wait upon writeout to range.  */
+# define SYNC_FILE_RANGE_WAIT_BEFORE	1 /* Wait upon writeout of all pages
+					     in the range before performing the
+					     write.  */
+# define SYNC_FILE_RANGE_WRITE		2 /* Initiate writeout of all those
+					     dirty pages in the range which are
+					     not presently under writeback.  */
+# define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
+					     the range after performing the
+					     write.  */
 #endif
 
 __BEGIN_DECLS
 
+#if 0 /*def __USE_GNU*/
+
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
+
+/* Selective file content synch'ing.  */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+			    unsigned int __flags);
+
+
+/* Splice address range into a pipe.  */
+extern int vmsplice (int __fdout, const struct iovec *__iov, size_t __count,
+		     unsigned int __flags);
+
+/* Splice two files together.  */
+extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+/* In-kernel implementation of tee for pipe buffers.  */
+extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+#endif
+
 __END_DECLS
diff --git a/libc/sysdeps/linux/sparc/bits/mathdef.h b/libc/sysdeps/linux/sparc/bits/mathdef.h
index c292a4189..7f9bbee81 100644
--- a/libc/sysdeps/linux/sparc/bits/mathdef.h
+++ b/libc/sysdeps/linux/sparc/bits/mathdef.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000, 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
@@ -35,18 +36,12 @@
 typedef float float_t;
 typedef double double_t;
 
-/* Define `INFINITY' as value of type `float'.  */
-#   define INFINITY	HUGE_VALF
-
 #  else
 
 /* For `gcc -traditional', `float' expressions are evaluated as `double'. */
 typedef double float_t;
 typedef double double_t;
 
-/* Define `INFINITY' as value of type `float'.  */
-#   define INFINITY	HUGE_VALF
-
 #  endif
 # else
 
@@ -54,9 +49,6 @@ typedef double double_t;
 typedef double float_t;
 typedef double double_t;
 
-/* Define `INFINITY' as value of type `float'.  */
-#  define INFINITY	HUGE_VALF
-
 # endif
 
 /* The values returned by `ilogb' for 0 and NaN respectively.  */
@@ -72,6 +64,8 @@ typedef double double_t;
    The disables the declaration of all the `long double' function
    variants.  */
 #  define __NO_LONG_DOUBLE_MATH	1
+# elif !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
+#  define __NO_LONG_DOUBLE_MATH	1
 # endif
 
 #endif
diff --git a/libc/sysdeps/linux/sparc/bits/mathinline.h b/libc/sysdeps/linux/sparc/bits/mathinline.h
index f4bb278ed..9dd784d12 100644
--- a/libc/sysdeps/linux/sparc/bits/mathinline.h
+++ b/libc/sysdeps/linux/sparc/bits/mathinline.h
@@ -1,5 +1,6 @@
 /* Inline math functions for SPARC.
-   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000, 2001, 2002, 2004, 2006
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jakub@redhat.com>.
 
@@ -26,27 +27,62 @@
 
 #ifdef __GNUC__
 
-#ifdef __USE_ISOC99
+#if defined __USE_ISOC99 && !__GNUC_PREREQ (3, 0)
+# undef isgreater
+# undef isgreaterequal
+# undef isless
+# undef islessequal
+# undef islessgreater
+# undef isunordered
 
 # if __WORDSIZE == 32
 
-#  define __unordered_cmp(x, y) \
+#  ifndef __NO_LONG_DOUBLE_MATH
+
+#   define __unordered_cmp(x, y) \
+  (__extension__							      \
+   ({ unsigned __r;							      \
+      if (sizeof (x) == 4 && sizeof (y) == 4)				      \
+	{								      \
+	  float __x = (x); float __y = (y);				      \
+	  __asm__ ("fcmps %1,%2; st %%fsr, %0" : "=m" (__r) : "f" (__x),      \
+		   "f" (__y) : "cc");					      \
+	}								      \
+      else if (sizeof (x) <= 8 && sizeof (y) <= 8)			      \
+	{								      \
+	  double __x = (x); double __y = (y);				      \
+	  __asm__ ("fcmpd\t%1,%2\n\tst\t%%fsr,%0" : "=m" (__r) : "f" (__x),   \
+		   "f" (__y) : "cc");					      \
+	}								      \
+      else								      \
+	{								      \
+	  long double __x = (x); long double __y = (y);			      \
+	  extern int _Q_cmp (const long double a, const long double b);	      \
+	  __r = _Q_cmp (__x, __y) << 10;				      \
+	}								      \
+      __r; }))
+
+#  else
+
+#   define __unordered_cmp(x, y) \
   (__extension__							      \
    ({ unsigned __r;							      \
-      if (sizeof(x) == 4 && sizeof(y) == 4)				      \
+      if (sizeof (x) == 4 && sizeof (y) == 4)				      \
 	{								      \
 	  float __x = (x); float __y = (y);				      \
-	  __asm__("fcmps %1,%2; st %%fsr, %0" : "=m" (__r) : "f" (__x),	      \
-		  "f" (__y) : "cc");					      \
+	  __asm__ ("fcmps %1,%2; st %%fsr, %0" : "=m" (__r) : "f" (__x),      \
+		   "f" (__y) : "cc");					      \
 	}								      \
       else								      \
 	{								      \
 	  double __x = (x); double __y = (y);				      \
-	  __asm__("fcmpd\t%1,%2\n\tst\t%%fsr,%0" : "=m" (__r) : "f" (__x),    \
-		  "f" (__y) : "cc");					      \
+	  __asm__ ("fcmpd\t%1,%2\n\tst\t%%fsr,%0" : "=m" (__r) : "f" (__x),   \
+		   "f" (__y) : "cc");					      \
 	}								      \
       __r; }))
 
+#  endif
+
 #  define isgreater(x, y) ((__unordered_cmp (x, y) & (3 << 10)) == (2 << 10))
 #  define isgreaterequal(x, y) ((__unordered_cmp (x, y) & (1 << 10)) == 0)
 #  define isless(x, y) ((__unordered_cmp (x, y) & (3 << 10)) == (1 << 10))
@@ -59,22 +95,22 @@
 #  define __unordered_v9cmp(x, y, op, qop) \
   (__extension__							      \
    ({ unsigned __r;						      	      \
-      if (sizeof(x) == 4 && sizeof(y) == 4)				      \
+      if (sizeof (x) == 4 && sizeof (y) == 4)				      \
 	{								      \
 	  float __x = (x); float __y = (y);				      \
-	  __asm__("fcmps\t%%fcc3,%1,%2\n\tmov" op "\t%%fcc3,1,%0"	      \
-		  : "=r" (__r) : "f" (__x), "f" (__y), "0" (0) : "cc");	      \
+	  __asm__ ("fcmps\t%%fcc3,%1,%2\n\tmov" op "\t%%fcc3,1,%0"	      \
+		   : "=r" (__r) : "f" (__x), "f" (__y), "0" (0) : "cc");      \
 	}								      \
-      else if (sizeof(x) <= 8 && sizeof(y) <= 8)			      \
+      else if (sizeof (x) <= 8 && sizeof (y) <= 8)			      \
 	{								      \
 	  double __x = (x); double __y = (y);				      \
-	  __asm__("fcmpd\t%%fcc3,%1,%2\n\tmov" op "\t%%fcc3,1,%0"	      \
-		  : "=r" (__r) : "f" (__x), "f" (__y), "0" (0) : "cc");	      \
+	  __asm__ ("fcmpd\t%%fcc3,%1,%2\n\tmov" op "\t%%fcc3,1,%0"	      \
+		   : "=r" (__r) : "f" (__x), "f" (__y), "0" (0) : "cc");      \
 	}								      \
       else								      \
 	{								      \
 	  long double __x = (x); long double __y = (y);			      \
-	  extern int _Qp_cmp(const long double *a, const long double *b);     \
+	  extern int _Qp_cmp (const long double *a, const long double *b);    \
 	  __r = qop;						      	      \
 	}								      \
       __r; }))
@@ -121,11 +157,20 @@ __NTH (__signbit (double __x))
   return __u.__i[0] < 0;
 }
 
+#    ifndef __NO_LONG_DOUBLE_MATH
+__MATH_INLINE int
+__NTH (__signbitl (long double __x))
+{
+  __extension__ union { long double __l; int __i[4]; } __u = { __l: __x };
+  return __u.__i[0] < 0;
+}
+#    else
 __MATH_INLINE int
 __NTH (__signbitl (long double __x))
 {
   return __signbit ((double)__x);
 }
+#    endif
 
 #   else /* sparc64 */
 
@@ -147,7 +192,7 @@ __NTH (__signbitl (long double __x))
 
 #  endif /* __USE_ISOC99 */
 
-#  ifndef __NO_MATH_INLINES
+#  if !defined __NO_MATH_INLINES && !__GNUC_PREREQ (3, 2)
 
 __MATH_INLINE double
 __NTH (sqrt (double __x))
@@ -174,9 +219,16 @@ __NTH (sqrtl (long double __x))
   _Qp_sqrt (&__r, &__x);
   return __r;
 }
+#   elif !defined __NO_LONG_DOUBLE_MATH
+__MATH_INLINE long double
+sqrtl (long double __x) __THROW
+{
+  extern long double _Q_sqrt (__const__ long double);
+  return _Q_sqrt (__x);
+}
 #   endif /* sparc64 */
 
-#  endif /* !__NO_MATH_INLINES */
+#  endif /* !__NO_MATH_INLINES && !GCC 3.2+ */
 
 /* This code is used internally in the GNU libc.  */
 #  ifdef __LIBC_INTERNAL_MATH_INLINES
@@ -205,6 +257,13 @@ __ieee754_sqrtl (long double __x)
   _Qp_sqrt(&__r, &__x);
   return __r;
 }
+#   elif !defined __NO_LONG_DOUBLE_MATH
+__MATH_INLINE long double
+__ieee754_sqrtl (long double __x)
+{
+  extern long double _Q_sqrt (__const__ long double);
+  return _Q_sqrt (__x);
+}
 #   endif /* sparc64 */
 #  endif /* __LIBC_INTERNAL_MATH_INLINES */
 # endif /* gcc 2.8+ */
@@ -217,14 +276,14 @@ __MATH_INLINE double __NTH (fdim (double __x, double __y));
 __MATH_INLINE double
 __NTH (fdim (double __x, double __y))
 {
-  return __x < __y ? 0 : __x - __y;
+  return __x <= __y ? 0 : __x - __y;
 }
 
 __MATH_INLINE float __NTH (fdimf (float __x, float __y));
 __MATH_INLINE float
 __NTH (fdimf (float __x, float __y))
 {
-  return __x < __y ? 0 : __x - __y;
+  return __x <= __y ? 0 : __x - __y;
 }
 
 #  endif /* !__NO_MATH_INLINES */
diff --git a/libc/sysdeps/linux/sparc/bits/mman.h b/libc/sysdeps/linux/sparc/bits/mman.h
index 8de270f93..be2b7eb28 100644
--- a/libc/sysdeps/linux/sparc/bits/mman.h
+++ b/libc/sysdeps/linux/sparc/bits/mman.h
@@ -91,7 +91,7 @@
 # define MADV_WILLNEED	 3	/* Will need these pages.  */
 # define MADV_DONTNEED	 4	/* Don't need these pages.  */
 # define MADV_FREE	 5	/* Content can be freed (Solaris).  */
-# define MADV_REMOVE	 6	/* Remove these pages and resources.  */
+# define MADV_REMOVE	 9	/* Remove these pages and resources.  */
 # define MADV_DONTFORK	 10	/* Do not inherit across fork.  */
 # define MADV_DOFORK	 11	/* Do inherit across fork.  */
 #endif
diff --git a/libc/sysdeps/linux/sparc/bits/stat.h b/libc/sysdeps/linux/sparc/bits/stat.h
index cc454117b..8dcfacd66 100644
--- a/libc/sysdeps/linux/sparc/bits/stat.h
+++ b/libc/sysdeps/linux/sparc/bits/stat.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1992,95,96,97,98,99,2000,2001,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 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
@@ -60,12 +61,27 @@ struct stat
 #else
     __blkcnt64_t st_blocks;		/* Number 512-byte blocks allocated. */
 #endif
+#if 0 /*def __USE_MISC*/
+    /* Nanosecond resolution timestamps are stored in a format
+       equivalent to 'struct timespec'.  This is the type used
+       whenever possible but the Unix namespace rules do not allow the
+       identifier 'timespec' to appear in the <sys/stat.h> header.
+       Therefore we have to handle the use of this header in strictly
+       standard-compliant sources special.  */
+    struct timespec st_atim;		/* Time of last access.  */
+    struct timespec st_mtim;		/* Time of last modification.  */
+    struct timespec st_ctim;		/* Time of last status change.  */
+# define st_atime st_atim.tv_sec	/* Backward compatibility.  */
+# define st_mtime st_mtim.tv_sec
+# define st_ctime st_ctim.tv_sec
+#else
     __time_t st_atime;			/* Time of last access.  */
     unsigned long int st_atimensec;	/* Nscecs of last access.  */
     __time_t st_mtime;			/* Time of last modification.  */
     unsigned long int st_mtimensec;	/* Nsecs of last modification.  */
     __time_t st_ctime;			/* Time of last status change.  */
     unsigned long int st_ctimensec;	/* Nsecs of last status change.  */
+#endif
     unsigned long int __unused4;
     unsigned long int __unused5;
   };
@@ -88,12 +104,27 @@ struct stat64
     __blksize_t st_blksize;		/* Optimal block size for I/O.  */
 
     __blkcnt64_t st_blocks;		/* Number 512-byte blocks allocated. */
+#if 0 /*def __USE_MISC*/
+    /* Nanosecond resolution timestamps are stored in a format
+       equivalent to 'struct timespec'.  This is the type used
+       whenever possible but the Unix namespace rules do not allow the
+       identifier 'timespec' to appear in the <sys/stat.h> header.
+       Therefore we have to handle the use of this header in strictly
+       standard-compliant sources special.  */
+    struct timespec st_atim;		/* Time of last access.  */
+    struct timespec st_mtim;		/* Time of last modification.  */
+    struct timespec st_ctim;		/* Time of last status change.  */
+# define st_atime st_atim.tv_sec	/* Backward compatibility.  */
+# define st_mtime st_mtim.tv_sec
+# define st_ctime st_ctim.tv_sec
+#else
     __time_t st_atime;			/* Time of last access.  */
     unsigned long int st_atimensec;	/* Nscecs of last access.  */
     __time_t st_mtime;			/* Time of last modification.  */
     unsigned long int st_mtimensec;	/* Nsecs of last modification.  */
     __time_t st_ctime;			/* Time of last status change.  */
     unsigned long int st_ctimensec;	/* Nsecs of last status change.  */
+#endif
     unsigned long int __unused4;
     unsigned long int __unused5;
   };
diff --git a/libc/sysdeps/linux/sparc/bits/wordsize.h b/libc/sysdeps/linux/sparc/bits/wordsize.h
index cbe862f50..c0e600ed5 100644
--- a/libc/sysdeps/linux/sparc/bits/wordsize.h
+++ b/libc/sysdeps/linux/sparc/bits/wordsize.h
@@ -1,24 +1,20 @@
-/* Copyright (C) 1999 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, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
+/* Determine the wordsize from the preprocessor defines.  */
 
 #if defined __arch64__ || defined __sparcv9
-# define __WORDSIZE    64
+# define __WORDSIZE	64
 #else
-# define __WORDSIZE    32
+# define __WORDSIZE	32
 #endif
 
+#if 0 /* uClibc: done in mathdefs.h: !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL*/
+
+# if __WORDSIZE == 32
+/* Signal that in 32bit ABI we didn't used to have a `long double'.
+   The changes all the `long double' function variants to be redirects
+   to the double functions.  */
+#  define __LONG_DOUBLE_MATH_OPTIONAL   1
+#  ifndef __LONG_DOUBLE_128__
+#   define __NO_LONG_DOUBLE_MATH        1
+#  endif
+# endif
+#endif