Sync SH header files with glibc 2.2.4, so it can actually have a chance

(at least in theory) of working.
 -Erik

70 files changed, 1890 insertions, 965 deletions

diff --git a/libc/sysdeps/linux/sh/bits/byteswap.h b/libc/sysdeps/linux/sh/bits/byteswap.h
index 6b5115658..7866abe9c 100644
--- a/libc/sysdeps/linux/sh/bits/byteswap.h
+++ b/libc/sysdeps/linux/sh/bits/byteswap.h
@@ -1,21 +1,21 @@
 /* Macros to swap the order of bytes in integer values.
-   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 2000, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #if !defined _BYTESWAP_H && !defined _NETINET_IN_H
 # error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
@@ -53,12 +53,27 @@ __bswap_32 (unsigned int __bsx)
 
 #if defined __GNUC__ && __GNUC__ >= 2
 /* Swap bytes in 64 bit value.  */
+# define __bswap_constant_64(x) \
+     ((((x) & 0xff00000000000000ull) >> 56)				      \
+      | (((x) & 0x00ff000000000000ull) >> 40)				      \
+      | (((x) & 0x0000ff0000000000ull) >> 24)				      \
+      | (((x) & 0x000000ff00000000ull) >> 8)				      \
+      | (((x) & 0x00000000ff000000ull) << 8)				      \
+      | (((x) & 0x0000000000ff0000ull) << 24)				      \
+      | (((x) & 0x000000000000ff00ull) << 40)				      \
+      | (((x) & 0x00000000000000ffull) << 56))
+
 # define __bswap_64(x) \
      (__extension__							      \
-      ({ union { unsigned long long int __ll;				      \
-		 unsigned long int __l[2]; } __v, __r;			      \
-	 __v.__ll = (x);						      \
-	 __r.__l[0] = __bswap_32 (__v.__l[1]);				      \
-	 __r.__l[1] = __bswap_32 (__v.__l[0]);				      \
+      ({ union { __extension__ unsigned long long int __ll;		      \
+		 unsigned int __l[2]; } __w, __r;			      \
+         if (__builtin_constant_p (x))					      \
+	   __r.__ll = __bswap_constant_64 (x);				      \
+	 else								      \
+	   {								      \
+	     __w.__ll = (x);						      \
+	     __r.__l[0] = __bswap_32 (__w.__l[1]);			      \
+	     __r.__l[1] = __bswap_32 (__w.__l[0]);			      \
+	   }								      \
 	 __r.__ll; }))
 #endif
diff --git a/libc/sysdeps/linux/sh/bits/cmathcalls.h b/libc/sysdeps/linux/sh/bits/cmathcalls.h
index c1b0781b0..c680c6d8e 100644
--- a/libc/sysdeps/linux/sh/bits/cmathcalls.h
+++ b/libc/sysdeps/linux/sh/bits/cmathcalls.h
@@ -1,22 +1,22 @@
 /* Prototype declarations for complex math functions;
    helper file for <complex.h>.
-   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 /* NOTE: Because of the special way this file is used by <complex.h>, this
    file must NOT be protected from multiple inclusion as header files
@@ -47,7 +47,6 @@
 
 #define _Mdouble_complex_ _Mdouble_ _Complex
 
-__BEGIN_DECLS
 
 /* Trigonometric functions.  */
 
@@ -131,30 +130,29 @@ __MATHDECL (_Mdouble_,creal, (_Mdouble_complex_ __z));
 
 
 /* Now some optimized versions.  GCC has handy notations for these
-   functions.  */
-#if defined __GNUC__ && defined __OPTIMIZE__
+   functions.  Recent GCC handles these as builtin functions so does
+   not need inlines.  */
+#if defined __GNUC__ && !__GNUC_PREREQ (2, 97) && defined __OPTIMIZE__
 
 /* Imaginary part of Z.  */
 extern __inline _Mdouble_
-__MATH_PRECNAME(cimag) (_Mdouble_complex_ __z)
+__MATH_PRECNAME(cimag) (_Mdouble_complex_ __z) __THROW
 {
   return __imag__ __z;
 }
 
 /* Real part of Z.  */
 extern __inline _Mdouble_
-__MATH_PRECNAME(creal) (_Mdouble_complex_ __z)
+__MATH_PRECNAME(creal) (_Mdouble_complex_ __z) __THROW
 {
   return __real__ __z;
 }
 
 /* Complex conjugate of Z.  */
 extern __inline _Mdouble_complex_
-__MATH_PRECNAME(conj) (_Mdouble_complex_ __z)
+__MATH_PRECNAME(conj) (_Mdouble_complex_ __z) __THROW
 {
-  return ~__z;
+  return __extension__ ~__z;
 }
 
 #endif
-
-__END_DECLS
diff --git a/libc/sysdeps/linux/sh/bits/confname.h b/libc/sysdeps/linux/sh/bits/confname.h
index 229088d67..ba8868af4 100644
--- a/libc/sysdeps/linux/sh/bits/confname.h
+++ b/libc/sysdeps/linux/sh/bits/confname.h
@@ -1,21 +1,21 @@
 /* `sysconf', `pathconf', and `confstr' NAME values.  Generic version.
-   Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1993, 1995-1998, 2000, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _UNISTD_H
 # error "Never use <bits/confname.h> directly; include <unistd.h> instead."
@@ -50,8 +50,20 @@ enum
 #define	_PC_PRIO_IO			_PC_PRIO_IO
     _PC_SOCK_MAXBUF,
 #define	_PC_SOCK_MAXBUF			_PC_SOCK_MAXBUF
-    _PC_FILESIZEBITS
+    _PC_FILESIZEBITS,
 #define _PC_FILESIZEBITS		_PC_FILESIZEBITS
+    _PC_REC_INCR_XFER_SIZE,
+#define _PC_REC_INCR_XFER_SIZE		_PC_REC_INCR_XFER_SIZE
+    _PC_REC_MAX_XFER_SIZE,
+#define _PC_REC_MAX_XFER_SIZE		_PC_REC_MAX_XFER_SIZE
+    _PC_REC_MIN_XFER_SIZE,
+#define _PC_REC_MIN_XFER_SIZE		_PC_REC_MIN_XFER_SIZE
+    _PC_REC_XFER_ALIGN,
+#define _PC_REC_XFER_ALIGN		_PC_REC_XFER_ALIGN
+    _PC_ALLOC_SIZE_MIN,
+#define _PC_ALLOC_SIZE_MIN		_PC_ALLOC_SIZE_MIN
+    _PC_SYMLINK_MAX
+#define _PC_SYMLINK_MAX			_PC_SYMLINK_MAX
   };
 
 /* Values for the argument to `sysconf'.  */
@@ -185,6 +197,8 @@ enum
 #define	_SC_SELECT			_SC_SELECT
     _SC_UIO_MAXIOV,
 #define	_SC_UIO_MAXIOV			_SC_UIO_MAXIOV
+    _SC_IOV_MAX = _SC_UIO_MAXIOV,
+#define _SC_IOV_MAX			_SC_IOV_MAX
     _SC_PII_INTERNET_STREAM,
 #define	_SC_PII_INTERNET_STREAM		_SC_PII_INTERNET_STREAM
     _SC_PII_INTERNET_DGRAM,
@@ -335,8 +349,117 @@ enum
 #define _SC_XOPEN_LEGACY		_SC_XOPEN_LEGACY
     _SC_XOPEN_REALTIME,
 #define _SC_XOPEN_REALTIME		_SC_XOPEN_REALTIME
-    _SC_XOPEN_REALTIME_THREADS
+    _SC_XOPEN_REALTIME_THREADS,
 #define _SC_XOPEN_REALTIME_THREADS	_SC_XOPEN_REALTIME_THREADS
+
+    _SC_ADVISORY_INFO,
+#define _SC_ADVISORY_INFO		_SC_ADVISORY_INFO
+    _SC_BARRIERS,
+#define _SC_BARRIERS			_SC_BARRIERS
+    _SC_BASE,
+#define _SC_BASE			_SC_BASE
+    _SC_C_LANG_SUPPORT,
+#define _SC_C_LANG_SUPPORT		_SC_C_LANG_SUPPORT
+    _SC_C_LANG_SUPPORT_R,
+#define _SC_C_LANG_SUPPORT_R		_SC_C_LANG_SUPPORT_R
+    _SC_CLOCK_SELECTION,
+#define _SC_CLOCK_SELECTION		_SC_CLOCK_SELECTION
+    _SC_CPUTIME,
+#define _SC_CPUTIME			_SC_CPUTIME
+    _SC_THREAD_CPUTIME,
+#define _SC_THREAD_CPUTIME		_SC_THREAD_CPUTIME
+    _SC_DEVICE_IO,
+#define _SC_DEVICE_IO			_SC_DEVICE_IO
+    _SC_DEVICE_SPECIFIC,
+#define _SC_DEVICE_SPECIFIC		_SC_DEVICE_SPECIFIC
+    _SC_DEVICE_SPECIFIC_R,
+#define _SC_DEVICE_SPECIFIC_R		_SC_DEVICE_SPECIFIC_R
+    _SC_FD_MGMT,
+#define _SC_FD_MGMT			_SC_FD_MGMT
+    _SC_FIFO,
+#define _SC_FIFO			_SC_FIFO
+    _SC_PIPE,
+#define _SC_PIPE			_SC_PIPE
+    _SC_FILE_ATTRIBUTES,
+#define _SC_FILE_ATTRIBUTES		_SC_FILE_ATTRIBUTES
+    _SC_FILE_LOCKING,
+#define _SC_FILE_LOCKING		_SC_FILE_LOCKING
+    _SC_FILE_SYSTEM,
+#define _SC_FILE_SYSTEM			_SC_FILE_SYSTEM
+    _SC_MONOTONIC_CLOCK,
+#define _SC_MONOTONIC_CLOCK		_SC_MONOTONIC_CLOCK
+    _SC_MULTI_PROCESS,
+#define _SC_MULTI_PROCESS		_SC_MULTI_PROCESS
+    _SC_SINGLE_PROCESS,
+#define _SC_SINGLE_PROCESS		_SC_SINGLE_PROCESS
+    _SC_NETWORKING,
+#define _SC_NETWORKING			_SC_NETWORKING
+    _SC_READER_WRITER_LOCKS,
+#define _SC_READER_WRITER_LOCKS		_SC_READER_WRITER_LOCKS
+    _SC_SPIN_LOCKS,
+#define _SC_SPIN_LOCKS			_SC_SPIN_LOCKS
+    _SC_REGEXP,
+#define _SC_REGEXP			_SC_REGEXP
+    _SC_REGEX_VERSION,
+#define _SC_REGEX_VERSION		_SC_REGEX_VERSION
+    _SC_SHELL,
+#define _SC_SHELL			_SC_SHELL
+    _SC_SIGNALS,
+#define _SC_SIGNALS			_SC_SIGNALS
+    _SC_SPAWN,
+#define _SC_SPAWN			_SC_SPAWN
+    _SC_SPORADIC_SERVER,
+#define _SC_SPORADIC_SERVER		_SC_SPORADIC_SERVER
+    _SC_THREAD_SPORADIC_SERVER,
+#define _SC_THREAD_SPORADIC_SERVER	_SC_THREAD_SPORADIC_SERVER
+    _SC_SYSTEM_DATABASE,
+#define _SC_SYSTEM_DATABASE		_SC_SYSTEM_DATABASE
+    _SC_SYSTEM_DATABASE_R,
+#define _SC_SYSTEM_DATABASE_R		_SC_SYSTEM_DATABASE_R
+    _SC_TIMEOUTS,
+#define _SC_TIMEOUTS			_SC_TIMEOUTS
+    _SC_TYPED_MEMORY_OBJECTS,
+#define _SC_TYPED_MEMORY_OBJECTS	_SC_TYPED_MEMORY_OBJECTS
+    _SC_USER_GROUPS,
+#define _SC_USER_GROUPS			_SC_USER_GROUPS
+    _SC_USER_GROUPS_R,
+#define _SC_USER_GROUPS_R		_SC_USER_GROUPS_R
+    _SC_2_PBS,
+#define _SC_2_PBS			_SC_2_PBS
+    _SC_2_PBS_ACCOUNTING,
+#define _SC_2_PBS_ACCOUNTING		_SC_2_PBS_ACCOUNTING
+    _SC_2_PBS_LOCATE,
+#define _SC_2_PBS_LOCATE		_SC_2_PBS_LOCATE
+    _SC_2_PBS_MESSAGE,
+#define _SC_2_PBS_MESSAGE		_SC_2_PBS_MESSAGE
+    _SC_2_PBS_TRACK,
+#define _SC_2_PBS_TRACK			_SC_2_PBS_TRACK
+    _SC_SYMLOOP_MAX,
+#define _SC_SYMLOOP_MAX			_SC_SYMLOOP_MAX
+    _SC_STREAMS,
+#define _SC_STREAMS			_SC_STREAMS
+    _SC_2_PBS_CHECKPOINT,
+#define _SC_2_PBS_CHECKPOINT		_SC_2_PBS_CHECKPOINT
+
+    _SC_V6_ILP32_OFF32,
+#define _SC_V6_ILP32_OFF32		_SC_V6_ILP32_OFF32
+    _SC_V6_ILP32_OFFBIG,
+#define _SC_V6_ILP32_OFFBIG		_SC_V6_ILP32_OFFBIG
+    _SC_V6_LP64_OFF64,
+#define _SC_V6_LP64_OFF64		_SC_V6_LP64_OFF64
+    _SC_V6_LPBIG_OFFBIG,
+#define _SC_V6_LPBIG_OFFBIG		_SC_V6_LPBIG_OFFBIG
+
+    _SC_HOST_NAME_MAX,
+#define _SC_HOST_NAME_MAX		_SC_HOST_NAME_MAX
+    _SC_TRACE,
+#define _SC_TRACE			_SC_TRACE
+    _SC_TRACE_EVENT_FILTER,
+#define _SC_TRACE_EVENT_FILTER		_SC_TRACE_EVENT_FILTER
+    _SC_TRACE_INHERIT,
+#define _SC_TRACE_INHERIT		_SC_TRACE_INHERIT
+    _SC_TRACE_LOG
+#define _SC_TRACE_LOG			_SC_TRACE_LOG
   };
 
 #if (defined __USE_POSIX2 || defined __USE_UNIX98 \
@@ -345,64 +468,99 @@ enum
 /* Values for the NAME argument to `confstr'.  */
 enum
   {
-    _CS_PATH			/* The default search path.  */
+    _CS_PATH,			/* The default search path.  */
 #define _CS_PATH		_CS_PATH
 
-#if (defined __USE_FILE_OFFSET64 || defined __USE_LARGEFILE64 \
+# if (defined __USE_FILE_OFFSET64 || defined __USE_LARGEFILE64 \
      || defined __USE_LARGEFILE)
-    ,
     _CS_LFS_CFLAGS = 1000,
-# define _CS_LFS_CFLAGS		_CS_LFS_CFLAGS
+#  define _CS_LFS_CFLAGS		_CS_LFS_CFLAGS
     _CS_LFS_LDFLAGS,
-# define _CS_LFS_LDFLAGS	_CS_LFS_LDFLAGS
+#  define _CS_LFS_LDFLAGS	_CS_LFS_LDFLAGS
     _CS_LFS_LIBS,
-# define _CS_LFS_LIBS		_CS_LFS_LIBS
+#  define _CS_LFS_LIBS		_CS_LFS_LIBS
     _CS_LFS_LINTFLAGS,
-# define _CS_LFS_LINTFLAGS	_CS_LFS_LINTFLAGS
+#  define _CS_LFS_LINTFLAGS	_CS_LFS_LINTFLAGS
     _CS_LFS64_CFLAGS,
-# define _CS_LFS64_CFLAGS	_CS_LFS64_CFLAGS
+#  define _CS_LFS64_CFLAGS	_CS_LFS64_CFLAGS
     _CS_LFS64_LDFLAGS,
-# define _CS_LFS64_LDFLAGS	_CS_LFS64_LDFLAGS
+#  define _CS_LFS64_LDFLAGS	_CS_LFS64_LDFLAGS
     _CS_LFS64_LIBS,
-# define _CS_LFS64_LIBS		_CS_LFS64_LIBS
-    _CS_LFS64_LINTFLAGS
-# define _CS_LFS64_LINTFLAGS	_CS_LFS64_LINTFLAGS
-#endif
+#  define _CS_LFS64_LIBS		_CS_LFS64_LIBS
+    _CS_LFS64_LINTFLAGS,
+#  define _CS_LFS64_LINTFLAGS	_CS_LFS64_LINTFLAGS
+# endif
 
-#ifdef __USE_UNIX98
-    ,
+# ifdef __USE_UNIX98
     _CS_XBS5_ILP32_OFF32_CFLAGS = 1100,
-# define _CS_XBS5_ILP32_OFF32_CFLAGS _CS_XBS5_ILP32_OFF32_CFLAGS
+#  define _CS_XBS5_ILP32_OFF32_CFLAGS _CS_XBS5_ILP32_OFF32_CFLAGS
     _CS_XBS5_ILP32_OFF32_LDFLAGS,
-# define _CS_XBS5_ILP32_OFF32_LDFLAGS _CS_XBS5_ILP32_OFF32_LDFLAGS
+#  define _CS_XBS5_ILP32_OFF32_LDFLAGS _CS_XBS5_ILP32_OFF32_LDFLAGS
     _CS_XBS5_ILP32_OFF32_LIBS,
-# define _CS_XBS5_ILP32_OFF32_LIBS _CS_XBS5_ILP32_OFF32_LIBS
+#  define _CS_XBS5_ILP32_OFF32_LIBS _CS_XBS5_ILP32_OFF32_LIBS
     _CS_XBS5_ILP32_OFF32_LINTFLAGS,
-# define _CS_XBS5_ILP32_OFF32_LINTFLAGS _CS_XBS5_ILP32_OFF32_LINTFLAGS
+#  define _CS_XBS5_ILP32_OFF32_LINTFLAGS _CS_XBS5_ILP32_OFF32_LINTFLAGS
     _CS_XBS5_ILP32_OFFBIG_CFLAGS,
-# define _CS_XBS5_ILP32_OFFBIG_CFLAGS _CS_XBS5_ILP32_OFFBIG_CFLAGS
+#  define _CS_XBS5_ILP32_OFFBIG_CFLAGS _CS_XBS5_ILP32_OFFBIG_CFLAGS
     _CS_XBS5_ILP32_OFFBIG_LDFLAGS,
-# define _CS_XBS5_ILP32_OFFBIG_LDFLAGS _CS_XBS5_ILP32_OFFBIG_LDFLAGS
+#  define _CS_XBS5_ILP32_OFFBIG_LDFLAGS _CS_XBS5_ILP32_OFFBIG_LDFLAGS
     _CS_XBS5_ILP32_OFFBIG_LIBS,
-# define _CS_XBS5_ILP32_OFFBIG_LIBS _CS_XBS5_ILP32_OFFBIG_LIBS
+#  define _CS_XBS5_ILP32_OFFBIG_LIBS _CS_XBS5_ILP32_OFFBIG_LIBS
     _CS_XBS5_ILP32_OFFBIG_LINTFLAGS,
-# define _CS_XBS5_ILP32_OFFBIG_LINTFLAGS _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
+#  define _CS_XBS5_ILP32_OFFBIG_LINTFLAGS _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
     _CS_XBS5_LP64_OFF64_CFLAGS,
-# define _CS_XBS5_LP64_OFF64_CFLAGS _CS_XBS5_LP64_OFF64_CFLAGS
+#  define _CS_XBS5_LP64_OFF64_CFLAGS _CS_XBS5_LP64_OFF64_CFLAGS
     _CS_XBS5_LP64_OFF64_LDFLAGS,
-# define _CS_XBS5_LP64_OFF64_LDFLAGS _CS_XBS5_LP64_OFF64_LDFLAGS
+#  define _CS_XBS5_LP64_OFF64_LDFLAGS _CS_XBS5_LP64_OFF64_LDFLAGS
     _CS_XBS5_LP64_OFF64_LIBS,
-# define _CS_XBS5_LP64_OFF64_LIBS _CS_XBS5_LP64_OFF64_LIBS
+#  define _CS_XBS5_LP64_OFF64_LIBS _CS_XBS5_LP64_OFF64_LIBS
     _CS_XBS5_LP64_OFF64_LINTFLAGS,
-# define _CS_XBS5_LP64_OFF64_LINTFLAGS _CS_XBS5_LP64_OFF64_LINTFLAGS
+#  define _CS_XBS5_LP64_OFF64_LINTFLAGS _CS_XBS5_LP64_OFF64_LINTFLAGS
     _CS_XBS5_LPBIG_OFFBIG_CFLAGS,
-# define _CS_XBS5_LPBIG_OFFBIG_CFLAGS _CS_XBS5_LPBIG_OFFBIG_CFLAGS
+#  define _CS_XBS5_LPBIG_OFFBIG_CFLAGS _CS_XBS5_LPBIG_OFFBIG_CFLAGS
     _CS_XBS5_LPBIG_OFFBIG_LDFLAGS,
-# define _CS_XBS5_LPBIG_OFFBIG_LDFLAGS _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
+#  define _CS_XBS5_LPBIG_OFFBIG_LDFLAGS _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
     _CS_XBS5_LPBIG_OFFBIG_LIBS,
-# define _CS_XBS5_LPBIG_OFFBIG_LIBS _CS_XBS5_LPBIG_OFFBIG_LIBS
-    _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
-# define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
-#endif
+#  define _CS_XBS5_LPBIG_OFFBIG_LIBS _CS_XBS5_LPBIG_OFFBIG_LIBS
+    _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS,
+#  define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
+# endif
+# ifdef __USE_XOPEN2K
+    _CS_POSIX_V6_ILP32_OFF32_CFLAGS,
+#  define _CS_POSIX_V6_ILP32_OFF32_CFLAGS _CS_POSIX_V6_ILP32_OFF32_CFLAGS
+    _CS_POSIX_V6_ILP32_OFF32_LDFLAGS,
+#  define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS _CS_POSIX_V6_ILP32_OFF32_LDFLAGS
+    _CS_POSIX_V6_ILP32_OFF32_LIBS,
+#  define _CS_POSIX_V6_ILP32_OFF32_LIBS _CS_POSIX_V6_ILP32_OFF32_LIBS
+    _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS,
+#  define _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS
+    _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS,
+#  define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS
+    _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS,
+#  define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS
+    _CS_POSIX_V6_ILP32_OFFBIG_LIBS,
+#  define _CS_POSIX_V6_ILP32_OFFBIG_LIBS _CS_POSIX_V6_ILP32_OFFBIG_LIBS
+    _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS,
+#  define _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS
+    _CS_POSIX_V6_LP64_OFF64_CFLAGS,
+#  define _CS_POSIX_V6_LP64_OFF64_CFLAGS _CS_POSIX_V6_LP64_OFF64_CFLAGS
+    _CS_POSIX_V6_LP64_OFF64_LDFLAGS,
+#  define _CS_POSIX_V6_LP64_OFF64_LDFLAGS _CS_POSIX_V6_LP64_OFF64_LDFLAGS
+    _CS_POSIX_V6_LP64_OFF64_LIBS,
+#  define _CS_POSIX_V6_LP64_OFF64_LIBS _CS_POSIX_V6_LP64_OFF64_LIBS
+    _CS_POSIX_V6_LP64_OFF64_LINTFLAGS,
+#  define _CS_POSIX_V6_LP64_OFF64_LINTFLAGS _CS_POSIX_V6_LP64_OFF64_LINTFLAGS
+    _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS,
+#  define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS
+    _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS,
+#  define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
+    _CS_POSIX_V6_LPBIG_OFFBIG_LIBS,
+#  define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS _CS_POSIX_V6_LPBIG_OFFBIG_LIBS
+    _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS,
+#  define _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
+# endif
+
+    _CS_V6_WIDTH_RESTRICTED_ENVS
+# define _CS_V6_WIDTH_RESTRICTED_ENVS	_CS_V6_WIDTH_RESTRICTED_ENVS
   };
 #endif
diff --git a/libc/sysdeps/linux/sh/bits/dirent.h b/libc/sysdeps/linux/sh/bits/dirent.h
index 472ae1a04..82d8663f2 100644
--- a/libc/sysdeps/linux/sh/bits/dirent.h
+++ b/libc/sysdeps/linux/sh/bits/dirent.h
@@ -2,29 +2,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library 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.  */
-
-/*
- * June 25, 2001
- *
- * Removed d_type support for dirent and undefined _DIRENT_HAVE_D_TYPE;
- * i.e. match the kernel structs and avoid any translation for now.
- * Note: glibc fakes d_type for the dirent case.
- * Note: dirent64 still has the d_type field.
- */
+   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.  */
 
 #ifndef _DIRENT_H
 # error "Never use <bits/dirent.h> directly; include <dirent.h> instead."
@@ -62,4 +52,4 @@ struct dirent64
 #undef  _DIRENT_HAVE_D_NAMLEN
 #define _DIRENT_HAVE_D_RECLEN
 #define _DIRENT_HAVE_D_OFF
-#undef  _DIRENT_HAVE_D_TYPE
+#undef _DIRENT_HAVE_D_TYPE
diff --git a/libc/sysdeps/linux/sh/bits/dlfcn.h b/libc/sysdeps/linux/sh/bits/dlfcn.h
index f5983d706..2525fa3d9 100644
--- a/libc/sysdeps/linux/sh/bits/dlfcn.h
+++ b/libc/sysdeps/linux/sh/bits/dlfcn.h
@@ -1,37 +1,59 @@
 /* System dependent definitions for run-time dynamic loading.
-   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 1999, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _DLFCN_H
 # error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead."
 #endif
 
 /* The MODE argument to `dlopen' contains one of the following: */
-#define RTLD_LAZY	0x001	/* Lazy function call binding.  */
-#define RTLD_NOW	0x002	/* Immediate function call binding.  */
-#define	RTLD_BINDING_MASK 0x3	/* Mask of binding time value.  */
+#define RTLD_LAZY	0x00001	/* Lazy function call binding.  */
+#define RTLD_NOW	0x00002	/* Immediate function call binding.  */
+#define	RTLD_BINDING_MASK   0x3	/* Mask of binding time value.  */
+#define RTLD_NOLOAD	0x00004	/* Do not load the object.  */
 
 /* If the following bit is set in the MODE argument to `dlopen',
    the symbols of the loaded object and its dependencies are made
    visible as if the object were linked directly into the program.  */
-#define RTLD_GLOBAL	0x100
+#define RTLD_GLOBAL	0x00100
 
 /* Unix98 demands the following flag which is the inverse to RTLD_GLOBAL.
    The implementation does this by default and so we can define the
    value to zero.  */
 #define RTLD_LOCAL	0
+
+/* Do not delete object when closed.  */
+#define RTLD_NODELETE	0x01000
+
+#ifdef __USE_GNU
+/* To support profiling of shared objects it is a good idea to call
+   the function found using `dlsym' using the following macro since
+   these calls do not use the PLT.  But this would mean the dynamic
+   loader has no chance to find out when the function is called.  The
+   macro applies the necessary magic so that profiling is possible.
+   Rewrite
+	foo = (*fctp) (arg1, arg2);
+   into
+        foo = DL_CALL_FCT (fctp, (arg1, arg2));
+*/
+# define DL_CALL_FCT(fctp, args) \
+  (_dl_mcount_wrapper_check (fctp), (*(fctp)) args)
+
+/* This function calls the profiling functions.  */
+extern void _dl_mcount_wrapper_check (void *__selfpc) __THROW;
+#endif
diff --git a/libc/sysdeps/linux/sh/bits/elfclass.h b/libc/sysdeps/linux/sh/bits/elfclass.h
index bb4dd545c..180227d9e 100644
--- a/libc/sysdeps/linux/sh/bits/elfclass.h
+++ b/libc/sysdeps/linux/sh/bits/elfclass.h
@@ -9,3 +9,6 @@
 #include <bits/wordsize.h>
 
 #define __ELF_NATIVE_CLASS __WORDSIZE
+
+/* The entries in the .hash table always have a size of 32 bits.  */
+typedef uint32_t Elf_Symndx;
diff --git a/libc/sysdeps/linux/sh/bits/environments.h b/libc/sysdeps/linux/sh/bits/environments.h
index f3af20655..c3829927b 100644
--- a/libc/sysdeps/linux/sh/bits/environments.h
+++ b/libc/sysdeps/linux/sh/bits/environments.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _UNISTD_H
 # error "Never include this file directly.  Use <unistd.h> instead"
@@ -27,32 +27,48 @@
    `-1' means it is never supported.  Undefined means it cannot be
    statically decided.
 
-   _XBS5_ILP32_OFF32	32bit int, long, pointers, and off_t type
-   _XBS5_ILP32_OFFBIG	32bit int, long, and pointers and larger off_t type
+   _POSIX_V6_ILP32_OFF32   32bit int, long, pointers, and off_t type
+   _POSIX_V6_ILP32_OFFBIG  32bit int, long, and pointers and larger off_t type
 
-   _XBS5_LP64_OFF32	64bit long and pointers and 32bit off_t type
-   _XBS5_LPBIG_OFFBIG	64bit long and pointers and large off_t type
+   _POSIX_V6_LP64_OFF32	   64bit long and pointers and 32bit off_t type
+   _POSIX_V6_LPBIG_OFFBIG  64bit long and pointers and large off_t type
+
+   The macros _XBS5_ILP32_OFF32, _XBS5_ILP32_OFFBIG, _XBS5_LP64_OFF32, and
+   _XBS5_LPBIG_OFFBIG were used in previous versions of the Unix standard
+   and are available only for compatibility.
 */
 
 #if __WORDSIZE == 64
 
 /* We can never provide environments with 32-bit wide pointers.  */
+# define _POSIX_V6_ILP32_OFF32	-1
+# define _POSIX_V6_ILP32_OFFBIG	-1
 # define _XBS5_ILP32_OFF32	-1
 # define _XBS5_ILP32_OFFBIG	-1
+/* We also have no use (for now) for an environment with bigger pointers
+   and offsets.  */
+# define _POSIX_V6_LPBIG_OFFBIG	-1
+# define _XBS5_LPBIG_OFFBIG	-1
 
 /* By default we have 64-bit wide `long int', pointers and `off_t'.  */
-# define _XBS5_LP64_OFF32	1
-# define _XBS5_LPBIG_OFFBIG	1
+# define _POSIX_V6_LP64_OFF64	1
+# define _XBS5_LP64_OFF64	1
 
 #else /* __WORDSIZE == 32 */
 
-/* By default we have 32-bit wide `int', `long int', pointers and `off_t'.  */
+/* By default we have 32-bit wide `int', `long int', pointers and `off_t'
+   and all platforms support LFS.  */
+# define _POSIX_V6_ILP32_OFF32	1
+# define _POSIX_V6_ILP32_OFFBIG	1
 # define _XBS5_ILP32_OFF32	1
+# define _XBS5_ILP32_OFFBIG	1
 
 /* We optionally provide an environment with the above size but an 64-bit
    side `off_t'.  Therefore we don't define _XBS5_ILP32_OFFBIG.  */
 
 /* We can never provide environments with 64-bit wide pointers.  */
+# define _POSIX_V6_LP64_OFF64	-1
+# define _POSIX_V6_LPBIG_OFFBIG	-1
 # define _XBS5_LP64_OFF64	-1
 # define _XBS5_LPBIG_OFFBIG	-1
 
diff --git a/libc/sysdeps/linux/sh/bits/errno.h b/libc/sysdeps/linux/sh/bits/errno.h
index 968e178ea..ac59d4c9d 100644
--- a/libc/sysdeps/linux/sh/bits/errno.h
+++ b/libc/sysdeps/linux/sh/bits/errno.h
@@ -1,21 +1,21 @@
 /* Error constants.  Linux specific version.
-   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifdef _ERRNO_H
 
@@ -32,14 +32,11 @@
 # define ECANCELED	125
 
 # ifndef __ASSEMBLER__
-
-__BEGIN_DECLS
-
 /* We now need a declaration of the `errno' variable.  */
 extern int errno;
 
 /* Function to get address of global `errno' variable.  */
-extern int *__errno_location __P ((void)) __attribute__ ((__const__));
+extern int *__errno_location (void) __THROW __attribute__ ((__const__));
 
 #  if defined _LIBC
 /* We wouldn't need a special macro anymore but it is history.  */
@@ -50,16 +47,13 @@ extern int *__errno_location __P ((void)) __attribute__ ((__const__));
 /* When using threads, errno is a per-thread value.  */
 #   define errno (*__errno_location ())
 #  endif
-
-__END_DECLS
-
 # endif /* !__ASSEMBLER__ */
 #endif /* _ERRNO_H */
 
 #if !defined _ERRNO_H && defined __need_Emath
 /* This is ugly but the kernel header is not clean enough.  We must
-   define only the values EDOM and ERANGE in case __need_Emath is
-   defined.  The value is the same for all Linux ports.  */
+   define only the values EDOM, EILSEQ and ERANGE in case __need_Emath is
+   defined.  */
 # define EDOM	33	/* Math argument out of domain of function.  */
 # define EILSEQ	84	/* Illegal byte sequence.  */
 # define ERANGE	34	/* Math result not representable.  */
diff --git a/libc/sysdeps/linux/sh/bits/fcntl.h b/libc/sysdeps/linux/sh/bits/fcntl.h
index 0c94c6b9a..0889a7054 100644
--- a/libc/sysdeps/linux/sh/bits/fcntl.h
+++ b/libc/sysdeps/linux/sh/bits/fcntl.h
@@ -1,21 +1,21 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1998, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef	_FCNTL_H
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
@@ -26,29 +26,25 @@
 
 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
    located on an ext2 file system */
-#define O_ACCMODE	  0003
-#define O_RDONLY	    00
-#define O_WRONLY	    01
-#define O_RDWR		    02
-#define O_CREAT		  0100	/* not fcntl */
-#define O_EXCL		  0200	/* not fcntl */
-#define O_NOCTTY	  0400	/* not fcntl */
-#define O_TRUNC		 01000	/* not fcntl */
-#define O_APPEND	 02000
-#define O_NONBLOCK	 04000
+#define O_ACCMODE	   0003
+#define O_RDONLY	     00
+#define O_WRONLY	     01
+#define O_RDWR		     02
+#define O_CREAT		   0100	/* not fcntl */
+#define O_EXCL		   0200	/* not fcntl */
+#define O_NOCTTY	   0400	/* not fcntl */
+#define O_TRUNC		  01000	/* not fcntl */
+#define O_APPEND	  02000
+#define O_NONBLOCK	  04000
 #define O_NDELAY	O_NONBLOCK
-#define O_SYNC		010000
-#define O_FSYNC		O_SYNC
-#define O_ASYNC		020000
+#define O_SYNC		 010000
+#define O_FSYNC		 O_SYNC
+#define O_ASYNC		 020000
 
 #ifdef __USE_GNU
-# define O_DIRECTORY	040000	/* Must be a directory.  */
-# define O_NOFOLLOW	0100000	/* Do not follow links.  */
-#endif
-
-/* XXX missing */
-#ifdef __USE_LARGEFILE64
-# define O_LARGEFILE	0
+# define O_DIRECT	 040000	/* Direct disk access.  */
+# define O_DIRECTORY	0200000	/* Must be a directory.  */
+# define O_NOFOLLOW	0400000	/* Do not follow links.  */
 #endif
 
 /* For now Linux has synchronisity options for data and read operations.
@@ -59,22 +55,30 @@
 # define O_RSYNC	O_SYNC	/* Synchronize read operations.  */
 #endif
 
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE	0100000
+#endif
+
 /* Values for the second argument to `fcntl'.  */
 #define F_DUPFD		0	/* Duplicate file descriptor.  */
 #define F_GETFD		1	/* Get file descriptor flags.  */
 #define F_SETFD		2	/* Set file descriptor flags.  */
 #define F_GETFL		3	/* Get file status flags.  */
 #define F_SETFL		4	/* Set file status flags.  */
-#define F_GETLK		5	/* Get record locking info.  */
-#define F_SETLK		6	/* Set record locking info (non-blocking).  */
-#define F_SETLKW	7	/* Set record locking info (blocking).  */
-
-/* XXX missing */
-#define F_GETLK64	5	/* Get record locking info.  */
-#define F_SETLK64	6	/* Set record locking info (non-blocking).  */
-#define F_SETLKW64	7	/* Set record locking info (blocking).  */
+#ifndef __USE_FILE_OFFSET64
+# define F_GETLK	5	/* Get record locking info.  */
+# define F_SETLK	6	/* Set record locking info (non-blocking).  */
+# define F_SETLKW	7	/* Set record locking info (blocking).  */
+#else
+# define F_GETLK	F_GETLK64  /* Get record locking info.  */
+# define F_SETLK	F_SETLK64  /* Set record locking info (non-blocking).*/
+# define F_SETLKW	F_SETLKW64 /* Set record locking info (blocking).  */
+#endif
+#define F_GETLK64	12	/* Get record locking info.  */
+#define F_SETLK64	13	/* Set record locking info (non-blocking).  */
+#define F_SETLKW64	14	/* Set record locking info (blocking).  */
 
-#ifdef __USE_BSD
+#if defined __USE_BSD || defined __USE_XOPEN2K
 # define F_SETOWN	8	/* Get owner of socket (receiver of SIGIO).  */
 # define F_GETOWN	9	/* Set owner of socket (receiver of SIGIO).  */
 #endif
@@ -92,12 +96,12 @@
 #define F_WRLCK		1	/* Write lock.  */
 #define F_UNLCK		2	/* Remove lock.  */
 
-/* for old implementation of bsd flock () */
+/* For old implementation of bsd flock().  */
 #define F_EXLCK		4	/* or 3 */
 #define F_SHLCK		8	/* or 4 */
 
 #ifdef __USE_BSD
-/* Operations for bsd flock(), also used by the kernel implementation */
+/* Operations for bsd flock(), also used by the kernel implementation.  */
 # define LOCK_SH	1	/* shared lock */
 # define LOCK_EX	2	/* exclusive lock */
 # define LOCK_NB	4	/* or'd with one of the above to prevent
@@ -139,3 +143,13 @@ struct flock64
 # define FNONBLOCK	O_NONBLOCK
 # define FNDELAY	O_NDELAY
 #endif /* Use BSD.  */
+
+/* Advise to `posix_fadvise'.  */
+#ifdef __USE_XOPEN2K
+# define POSIX_FADV_NORMAL	0 /* No further special treatment.  */
+# define POSIX_FADV_RANDOM	1 /* Expect random page references.  */
+# define POSIX_FADV_SEQUENTIAL	2 /* Expect sequential page references.  */
+# define POSIX_FADV_WILLNEED	3 /* Will need these pages.  */
+# define POSIX_FADV_DONTNEED	4 /* Don't need these pages.  */
+# define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
+#endif
diff --git a/libc/sysdeps/linux/sh/bits/fenv.h b/libc/sysdeps/linux/sh/bits/fenv.h
index b192d9433..cbbad92e1 100644
--- a/libc/sysdeps/linux/sh/bits/fenv.h
+++ b/libc/sysdeps/linux/sh/bits/fenv.h
@@ -1,61 +1,72 @@
-/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
 #endif
 
 
-/* Here should be the exception be defined:
-    FE_INVALID
-    FE_DIVBYZERO
-    FE_OVERFLOW
-    FE_UNDERFLOW
-    FE_INEXACT
-   We define no macro which signals no exception is supported.  */
-
-#define FE_ALL_EXCEPT 0
+/* Define bits representing the exception.  We use the bit positions
+   of the appropriate bits in the FPU control word.  */
+enum
+  {
+    FE_INEXACT = 0x04,
+#define FE_INEXACT	FE_INEXACT
+    FE_UNDERFLOW = 0x08,
+#define FE_UNDERFLOW	FE_UNDERFLOW
+    FE_OVERFLOW = 0x10,
+#define FE_OVERFLOW	FE_OVERFLOW
+    FE_DIVBYZERO = 0x20,
+#define FE_DIVBYZERO	FE_DIVBYZERO
+    FE_INVALID = 0x40,
+#define FE_INVALID	FE_INVALID
+  };
 
+#define FE_ALL_EXCEPT \
+	(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
 
-/* Here should the rounding modes be defined:
-    FE_TONEAREST
-    FE_DOWNWARD
-    FE_UPWARD
-    FE_TOWARDZERO
-   We define no macro which signals no rounding mode is selectable.  */
+/* The SH FPU supports all of the four defined rounding modes.  We
+   use again the bit positions in the FPU control word as the values
+   for the appropriate macros.  */
+enum
+  {
+    FE_TONEAREST = 0x0,
+#define FE_TONEAREST	FE_TONEAREST
+    FE_TOWARDZERO = 0x1,
+#define FE_TOWARDZERO	FE_TOWARDZERO
+    FE_UPWARD = 0x2,
+#define FE_UPWARD	FE_UPWARD
+    FE_DOWNWARD = 0x3
+#define FE_DOWNWARD	FE_DOWNWARD
+  };
 
 
-/* Type representing exception flags.
-   XXX Probably we should also include the signal handler here.  */
-typedef struct
-  {
-    unsigned int __flags;
-  }
-fexcept_t;
+/* Type representing exception flags.  */
+typedef unsigned short int fexcept_t;
 
 
-/* Type representing floating-point environment.  */
+/* Type representing floating-point environment.  This function corresponds
+   to the layout of the block written by the `fstenv'.  */
 typedef struct
   {
-    fexcept_t __excepts;
-    /* XXX I don't know what else we should save.  */
+    unsigned int __fpscr;
   }
 fenv_t;
 
 /* If the default argument is used we use this value.  */
-#define FE_DFL_ENV	((fenv_t *) -1l)
+#define FE_DFL_ENV	((fenv_t *) -1)
diff --git a/libc/sysdeps/linux/sh/bits/fenvinline.h b/libc/sysdeps/linux/sh/bits/fenvinline.h
new file mode 100644
index 000000000..42f77b561
--- /dev/null
+++ b/libc/sysdeps/linux/sh/bits/fenvinline.h
@@ -0,0 +1,8 @@
+/* This file provides inline versions of floating-pint environment
+   handling functions.  If there were any.  */
+
+#ifndef __NO_MATH_INLINES
+
+/* Here is where the code would go.  */
+
+#endif
diff --git a/libc/sysdeps/linux/sh/bits/huge_val.h b/libc/sysdeps/linux/sh/bits/huge_val.h
index adbbbec8c..78d316dde 100644
--- a/libc/sysdeps/linux/sh/bits/huge_val.h
+++ b/libc/sysdeps/linux/sh/bits/huge_val.h
@@ -1,23 +1,24 @@
 /* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).
    Used by <stdlib.h> and <math.h> functions for overflow.
    SH version.
-   Copyright (C) 1992, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000
+   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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/huge_val.h> directly; include <math.h> instead."
@@ -29,11 +30,19 @@
 
 #ifdef	__GNUC__
 
-# define HUGE_VAL \
+# if __GNUC_PREREQ(2,95)
+
+#  define HUGE_VAL (0x1.0p2047)
+
+# else
+
+#  define HUGE_VAL \
   (__extension__							      \
    ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; })   \
     { __l: 0x000000007ff00000ULL }).__d)
 
+# endif
+
 #else /* not GCC */
 
 # include <endian.h>
@@ -53,17 +62,25 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
 #endif	/* GCC.  */
 
 
-/* ISO C 9X extensions: (float) HUGE_VALF and (long double) HUGE_VALL.  */
+/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL.  */
 
-#ifdef __USE_ISOC9X
+#ifdef __USE_ISOC99
 
 # ifdef __GNUC__
 
-#  define HUGE_VALF \
+#  if __GNUC_PREREQ(2,95)
+
+#   define HUGE_VALF (0x1.0p255f)
+
+#  else
+
+#   define HUGE_VALF \
   (__extension__							      \
    ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; })    \
     { __l: 0x7f800000UL }).__d)
 
+#  endif
+
 # else /* not GCC */
 
 typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
@@ -85,4 +102,4 @@ static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
    same as `double'.  */
 # define HUGE_VALL HUGE_VAL
 
-#endif /* __USE_ISOC9X.  */
+#endif /* __USE_ISOC99.  */
diff --git a/libc/sysdeps/linux/sh/bits/in.h b/libc/sysdeps/linux/sh/bits/in.h
index 38e2a2e00..e6cf57574 100644
--- a/libc/sysdeps/linux/sh/bits/in.h
+++ b/libc/sysdeps/linux/sh/bits/in.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1999, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 /* Linux version.  */
 
@@ -99,7 +99,7 @@ struct in_pktinfo
 #define IPV6_PKTINFO		2
 #define IPV6_HOPOPTS		3
 #define IPV6_DSTOPTS		4
-#define IPV6_RXSRCRT		5
+#define IPV6_RTHDR		5
 #define IPV6_PKTOPTIONS		6
 #define IPV6_CHECKSUM		7
 #define IPV6_HOPLIMIT		8
@@ -109,14 +109,21 @@ struct in_pktinfo
 #define IPV6_MULTICAST_IF	17
 #define IPV6_MULTICAST_HOPS	18
 #define IPV6_MULTICAST_LOOP	19
-#define IPV6_ADD_MEMBERSHIP	20
-#define IPV6_DROP_MEMBERSHIP	21
+#define IPV6_JOIN_GROUP		20
+#define IPV6_LEAVE_GROUP	21
 #define IPV6_ROUTER_ALERT	22
+#define IPV6_MTU_DISCOVER	23
+#define IPV6_MTU		24
+#define IPV6_RECVERR		25
 
 #define SCM_SRCRT		IPV6_RXSRCRT
 
-#define IPV6_RXHOPOPTS		IPV6_HOPOPTS	/* obsolete name */
-#define IPV6_RXDSTOPTS		IPV6_DSTOPTS	/* obsolete name */
+/* Obsolete synonyms for the above.  */
+#define IPV6_RXHOPOPTS		IPV6_HOPOPTS
+#define IPV6_RXDSTOPTS		IPV6_DSTOPTS
+#define IPV6_ADD_MEMBERSHIP	IPV6_JOIN_GROUP
+#define IPV6_DROP_MEMBERSHIP	IPV6_LEAVE_GROUP
+
 
 /* IPV6_MTU_DISCOVER values.  */
 #define IPV6_PMTUDISC_DONT	0	/* Never send DF frames.  */
@@ -126,3 +133,9 @@ struct in_pktinfo
 /* Socket level values for IPv6.  */
 #define SOL_IPV6        41
 #define SOL_ICMPV6      58
+
+/* Routing header options for IPv6.  */
+#define IPV6_RTHDR_LOOSE	0	/* Hop doesn't need to be neighbour. */
+#define IPV6_RTHDR_STRICT	1	/* Hop must be a neighbour.  */
+
+#define IPV6_RTHDR_TYPE_0	0	/* IPv6 Routing header type 0.  */
diff --git a/libc/sysdeps/linux/sh/bits/initspin.h b/libc/sysdeps/linux/sh/bits/initspin.h
new file mode 100644
index 000000000..af19d44e6
--- /dev/null
+++ b/libc/sysdeps/linux/sh/bits/initspin.h
@@ -0,0 +1,28 @@
+/* Generic definitions for spinlock initializers.
+   Copyright (C) 2000, 2001 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library 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.  */
+
+/* Initial value of a spinlock.  Most platforms should use zero,
+   unless they only implement a "test and clear" operation instead of
+   the usual "test and set". */
+#define __LT_SPINLOCK_INIT 0
+
+/* Macros for lock initializers, using the above definition. */
+#define __LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT }
+#define __ALT_LOCK_INITIALIZER { 0, __LT_SPINLOCK_INIT }
+#define __ATOMIC_INITIALIZER { 0, __LT_SPINLOCK_INIT }
diff --git a/libc/sysdeps/linux/sh/bits/ioctl-types.h b/libc/sysdeps/linux/sh/bits/ioctl-types.h
index 59c79df81..e856a04b4 100644
--- a/libc/sysdeps/linux/sh/bits/ioctl-types.h
+++ b/libc/sysdeps/linux/sh/bits/ioctl-types.h
@@ -1,21 +1,21 @@
 /* Structure types for pre-termios terminal ioctls.  Linux version.
-   Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1999, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctl-types.h> directly; include <sys/ioctl.h> instead."
@@ -75,3 +75,4 @@ struct termio
 #define N_SMSBLOCK	12	/* SMS block mode  */
 #define N_HDLC		13	/* synchronous HDLC  */
 #define N_SYNC_PPP	14	/* synchronous PPP  */
+#define	N_HCI		15	/* Bluetooth HCI UART  */
diff --git a/libc/sysdeps/linux/sh/bits/ioctls.h b/libc/sysdeps/linux/sh/bits/ioctls.h
index c103645f6..b49ca2076 100644
--- a/libc/sysdeps/linux/sh/bits/ioctls.h
+++ b/libc/sysdeps/linux/sh/bits/ioctls.h
@@ -2,19 +2,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_IOCTL_H
 # error "Never use <bits/ioctls.h> directly; include <sys/ioctl.h> instead."
diff --git a/libc/sysdeps/linux/sh/bits/ipc.h b/libc/sysdeps/linux/sh/bits/ipc.h
index c4e37358e..f1a043fe5 100644
--- a/libc/sysdeps/linux/sh/bits/ipc.h
+++ b/libc/sysdeps/linux/sh/bits/ipc.h
@@ -1,26 +1,26 @@
-/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995-1999, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_IPC_H
 # error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
 #endif
 
-#include <sys/types.h>
+#include <bits/types.h>
 
 /* Mode bits for `msgget', `semget', and `shmget'.  */
 #define IPC_CREAT	01000		/* Create key if key does not exist. */
@@ -31,7 +31,9 @@
 #define IPC_RMID	0		/* Remove identifier.  */
 #define IPC_SET		1		/* Set `ipc_perm' options.  */
 #define IPC_STAT	2		/* Get `ipc_perm' options.  */
-#define IPC_INFO	3		/* See ipcs.  */
+#ifdef __USE_GNU
+# define IPC_INFO	3		/* See ipcs.  */
+#endif
 
 /* Special key values.  */
 #define IPC_PRIVATE	((__key_t) 0)	/* Private key.  */
@@ -41,10 +43,14 @@
 struct ipc_perm
   {
     __key_t __key;			/* Key.  */
-    unsigned short int uid;		/* Owner's user ID.  */
-    unsigned short int gid;		/* Owner's group ID.  */
-    unsigned short int cuid;		/* Creator's user ID.  */
-    unsigned short int cgid;		/* Creator's group ID.  */
+    __uid_t uid;			/* Owner's user ID.  */
+    __gid_t gid;			/* Owner's group ID.  */
+    __uid_t cuid;			/* Creator's user ID.  */
+    __gid_t cgid;			/* Creator's group ID.  */
     unsigned short int mode;		/* Read/write permission.  */
+    unsigned short int __pad1;
     unsigned short int __seq;		/* Sequence number.  */
+    unsigned short int __pad2;
+    unsigned long int __unused1;
+    unsigned long int __unused2;
   };
diff --git a/libc/sysdeps/linux/sh/bits/libc-lock.h b/libc/sysdeps/linux/sh/bits/libc-lock.h
index a14cea1aa..dbd9cc14f 100644
--- a/libc/sysdeps/linux/sh/bits/libc-lock.h
+++ b/libc/sysdeps/linux/sh/bits/libc-lock.h
@@ -1,5 +1,5 @@
 /* libc-internal interface for mutex locks.  LinuxThreads version.
-   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996,1997,1998,1999,2000,2001 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
@@ -25,8 +25,10 @@
 /* Mutex type.  */
 #ifdef _LIBC
 typedef pthread_mutex_t __libc_lock_t;
+typedef pthread_rwlock_t __libc_rwlock_t;
 #else
 typedef struct __libc_lock_opaque__ __libc_lock_t;
+typedef struct __libc_rwlock_opaque__ __libc_rwlock_t;
 #endif
 
 /* Type for key to thread-specific data.  */
@@ -41,15 +43,28 @@ typedef pthread_key_t __libc_key_t;
    of libc.  */
 #define __libc_lock_define(CLASS,NAME) \
   CLASS __libc_lock_t NAME;
+#define __libc_rwlock_define(CLASS,NAME) \
+  CLASS __libc_rwlock_t NAME;
 
 /* Define an initialized lock variable NAME with storage class CLASS.
 
-   For the C library we take a deeper look at the initializer.  For this
-   implementation all fields are initialized to zero.  Therefore we
-   don't initialize the variable which allows putting it into the BSS
-   section.  */
-#define __libc_lock_define_initialized(CLASS,NAME) \
+   For the C library we take a deeper look at the initializer.  For
+   this implementation all fields are initialized to zero.  Therefore
+   we don't initialize the variable which allows putting it into the
+   BSS section.  (Except on PA-RISC and other odd architectures, where
+   initialized locks must be set to one due to the lack of normal
+   atomic operations.) */
+
+#if __LT_SPINLOCK_INIT == 0
+#  define __libc_lock_define_initialized(CLASS,NAME) \
   CLASS __libc_lock_t NAME;
+#else
+#  define __libc_lock_define_initialized(CLASS,NAME) \
+  CLASS __libc_lock_t NAME = PTHREAD_MUTEX_INITIALIZER;
+#endif
+
+#define __libc_rwlock_define_initialized(CLASS,NAME) \
+  CLASS __libc_rwlock_t NAME = PTHREAD_RWLOCK_INITIALIZER;
 
 /* Define an initialized recursive lock variable NAME with storage
    class CLASS.  */
@@ -60,6 +75,8 @@ typedef pthread_key_t __libc_key_t;
    state.  */
 #define __libc_lock_init(NAME) \
   (__pthread_mutex_init != NULL ? __pthread_mutex_init (&(NAME), NULL) : 0);
+#define __libc_rwlock_init(NAME) \
+  (__pthread_rwlock_init != NULL ? __pthread_rwlock_init (&(NAME), NULL) : 0);
 
 /* Same as last but this time we initialize a recursive mutex.  */
 #define __libc_lock_init_recursive(NAME) \
@@ -79,6 +96,8 @@ typedef pthread_key_t __libc_key_t;
    called on a lock variable before the containing storage is reused.  */
 #define __libc_lock_fini(NAME) \
   (__pthread_mutex_destroy != NULL ? __pthread_mutex_destroy (&(NAME)) : 0);
+#define __libc_rwlock_fini(NAME) \
+  (__pthread_rwlock_destroy != NULL ? __pthread_rwlock_destroy (&(NAME)) : 0);
 
 /* Finalize recursive named lock.  */
 #define __libc_lock_fini_recursive(NAME) __libc_lock_fini (NAME)
@@ -86,6 +105,10 @@ typedef pthread_key_t __libc_key_t;
 /* Lock the named lock variable.  */
 #define __libc_lock_lock(NAME) \
   (__pthread_mutex_lock != NULL ? __pthread_mutex_lock (&(NAME)) : 0);
+#define __libc_rwlock_rdlock(NAME) \
+  (__pthread_rwlock_rdlock != NULL ? __pthread_rwlock_rdlock (&(NAME)) : 0);
+#define __libc_rwlock_wrlock(NAME) \
+  (__pthread_rwlock_wrlock != NULL ? __pthread_rwlock_wrlock (&(NAME)) : 0);
 
 /* Lock the recursive named lock variable.  */
 #define __libc_lock_lock_recursive(NAME) __libc_lock_lock (NAME)
@@ -93,6 +116,12 @@ typedef pthread_key_t __libc_key_t;
 /* Try to lock the named lock variable.  */
 #define __libc_lock_trylock(NAME) \
   (__pthread_mutex_trylock != NULL ? __pthread_mutex_trylock (&(NAME)) : 0)
+#define __libc_rwlock_tryrdlock(NAME) \
+  (__pthread_rwlock_tryrdlock != NULL \
+   ? __pthread_rwlock_tryrdlock (&(NAME)) : 0)
+#define __libc_rwlock_trywrlock(NAME) \
+  (__pthread_rwlock_trywrlock != NULL \
+   ? __pthread_rwlock_trywrlock (&(NAME)) : 0)
 
 /* Try to lock the recursive named lock variable.  */
 #define __libc_lock_trylock_recursive(NAME) __libc_lock_trylock (NAME)
@@ -100,6 +129,8 @@ typedef pthread_key_t __libc_key_t;
 /* Unlock the named lock variable.  */
 #define __libc_lock_unlock(NAME) \
   (__pthread_mutex_unlock != NULL ? __pthread_mutex_unlock (&(NAME)) : 0);
+#define __libc_rwlock_unlock(NAME) \
+  (__pthread_rwlock_unlock != NULL ? __pthread_rwlock_unlock (&(NAME)) : 0);
 
 /* Unlock the recursive named lock variable.  */
 #define __libc_lock_unlock_recursive(NAME) __libc_lock_unlock (NAME)
@@ -121,9 +152,9 @@ typedef pthread_key_t __libc_key_t;
   do {									      \
     if (__pthread_once != NULL)						      \
       __pthread_once (&(ONCE_CONTROL), (INIT_FUNCTION));		      \
-    else if ((ONCE_CONTROL) == 0) {					      \
+    else if ((ONCE_CONTROL) == PTHREAD_ONCE_INIT) {			      \
       INIT_FUNCTION ();							      \
-      (ONCE_CONTROL) = 1;						      \
+      (ONCE_CONTROL) = !PTHREAD_ONCE_INIT;				      \
     }									      \
   } while (0)
 
@@ -166,27 +197,93 @@ typedef pthread_key_t __libc_key_t;
 #define __libc_atfork(PREPARE, PARENT, CHILD) \
   (__pthread_atfork != NULL ? __pthread_atfork (PREPARE, PARENT, CHILD) : 0)
 
+/* Functions that are used by this file and are internal to the GNU C
+   library.  */
+
+extern int __pthread_mutex_init (pthread_mutex_t *__mutex,
+				 __const pthread_mutexattr_t *__mutex_attr);
+
+extern int __pthread_mutex_destroy (pthread_mutex_t *__mutex);
+
+extern int __pthread_mutex_trylock (pthread_mutex_t *__mutex);
+
+extern int __pthread_mutex_lock (pthread_mutex_t *__mutex);
+
+extern int __pthread_mutex_unlock (pthread_mutex_t *__mutex);
+
+extern int __pthread_mutexattr_init (pthread_mutexattr_t *__attr);
+
+extern int __pthread_mutexattr_destroy (pthread_mutexattr_t *__attr);
+
+extern int __pthread_mutexattr_settype (pthread_mutexattr_t *__attr,
+					int __kind);
+
+#ifdef __USE_UNIX98
+extern int __pthread_rwlock_init (pthread_rwlock_t *__rwlock,
+				  __const pthread_rwlockattr_t *__attr);
+
+extern int __pthread_rwlock_destroy (pthread_rwlock_t *__rwlock);
+
+extern int __pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock);
+
+extern int __pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock);
+
+extern int __pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock);
+
+extern int __pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock);
+
+extern int __pthread_rwlock_unlock (pthread_rwlock_t *__rwlock);
+#endif
+
+extern int __pthread_key_create (pthread_key_t *__key,
+				 void (*__destr_function) (void *));
+
+extern int __pthread_setspecific (pthread_key_t __key,
+				  __const void *__pointer);
+
+extern void *__pthread_getspecific (pthread_key_t __key);
+
+extern int __pthread_once (pthread_once_t *__once_control,
+			   void (*__init_routine) (void));
+
+extern int __pthread_atfork (void (*__prepare) (void),
+			     void (*__parent) (void),
+			     void (*__child) (void));
+
+
 
 /* Make the pthread functions weak so that we can elide them from
    single-threaded processes.  */
 #ifndef __NO_WEAK_PTHREAD_ALIASES
 # ifdef weak_extern
-weak_extern (__pthread_mutex_init)
-weak_extern (__pthread_mutex_destroy)
-weak_extern (__pthread_mutex_lock)
-weak_extern (__pthread_mutex_trylock)
-weak_extern (__pthread_mutex_unlock)
-weak_extern (__pthread_mutexattr_init)
-weak_extern (__pthread_mutexattr_destroy)
-weak_extern (__pthread_mutexattr_settype)
-weak_extern (__pthread_key_create)
-weak_extern (__pthread_setspecific)
-weak_extern (__pthread_getspecific)
-weak_extern (__pthread_once)
+#  if _LIBC
+#   include <bp-sym.h>
+#  else
+#   define BP_SYM (sym) sym
+#  endif
+weak_extern (BP_SYM (__pthread_mutex_init))
+weak_extern (BP_SYM (__pthread_mutex_destroy))
+weak_extern (BP_SYM (__pthread_mutex_lock))
+weak_extern (BP_SYM (__pthread_mutex_trylock))
+weak_extern (BP_SYM (__pthread_mutex_unlock))
+weak_extern (BP_SYM (__pthread_mutexattr_init))
+weak_extern (BP_SYM (__pthread_mutexattr_destroy))
+weak_extern (BP_SYM (__pthread_mutexattr_settype))
+weak_extern (BP_SYM (__pthread_rwlock_init))
+weak_extern (BP_SYM (__pthread_rwlock_destroy))
+weak_extern (BP_SYM (__pthread_rwlock_rdlock))
+weak_extern (BP_SYM (__pthread_rwlock_tryrdlock))
+weak_extern (BP_SYM (__pthread_rwlock_wrlock))
+weak_extern (BP_SYM (__pthread_rwlock_trywrlock))
+weak_extern (BP_SYM (__pthread_rwlock_unlock))
+weak_extern (BP_SYM (__pthread_key_create))
+weak_extern (BP_SYM (__pthread_setspecific))
+weak_extern (BP_SYM (__pthread_getspecific))
+weak_extern (BP_SYM (__pthread_once))
 weak_extern (__pthread_initialize)
 weak_extern (__pthread_atfork)
-weak_extern (_pthread_cleanup_push_defer)
-weak_extern (_pthread_cleanup_pop_restore)
+weak_extern (BP_SYM (_pthread_cleanup_push_defer))
+weak_extern (BP_SYM (_pthread_cleanup_pop_restore))
 # else
 #  pragma weak __pthread_mutex_init
 #  pragma weak __pthread_mutex_destroy
@@ -196,6 +293,12 @@ weak_extern (_pthread_cleanup_pop_restore)
 #  pragma weak __pthread_mutexattr_init
 #  pragma weak __pthread_mutexattr_destroy
 #  pragma weak __pthread_mutexattr_settype
+#  pragma weak __pthread_rwlock_destroy
+#  pragma weak __pthread_rwlock_rdlock
+#  pragma weak __pthread_rwlock_tryrdlock
+#  pragma weak __pthread_rwlock_wrlock
+#  pragma weak __pthread_rwlock_trywrlock
+#  pragma weak __pthread_rwlock_unlock
 #  pragma weak __pthread_key_create
 #  pragma weak __pthread_setspecific
 #  pragma weak __pthread_getspecific
diff --git a/libc/sysdeps/linux/sh/bits/local_lim.h b/libc/sysdeps/linux/sh/bits/local_lim.h
index 545a90b2e..0a7c83706 100644
--- a/libc/sysdeps/linux/sh/bits/local_lim.h
+++ b/libc/sysdeps/linux/sh/bits/local_lim.h
@@ -1,5 +1,5 @@
 /* Minimum guaranteed maximum values for system limits.  Linux version.
-   Copyright (C) 1993, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
+   Copyright (C) 1993, 94, 95, 96, 97, 98, 2000 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
@@ -17,11 +17,20 @@
    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.
-   Remove this after including the header if necessary.  */
+/* 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>
@@ -31,6 +40,16 @@
 # 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
@@ -53,3 +72,6 @@
 
 /* Minimum size for a thread.  We are free to choose a reasonable value.  */
 #define PTHREAD_STACK_MIN	16384
+
+/* Maximum number of POSIX timers available.  */
+#define TIMER_MAX	256
diff --git a/libc/sysdeps/linux/sh/bits/locale.h b/libc/sysdeps/linux/sh/bits/locale.h
new file mode 100644
index 000000000..50064b53e
--- /dev/null
+++ b/libc/sysdeps/linux/sh/bits/locale.h
@@ -0,0 +1,44 @@
+/* Definition of locale category symbol values.
+   Copyright (C) 2001 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.  */
+
+#if !defined _LOCALE_H && !defined _LANGINFO_H
+# error "Never use <bits/locale.h> directly; include <locale.h> instead."
+#endif
+
+#ifndef _BITS_LOCALE_H
+#define _BITS_LOCALE_H	1
+
+enum
+{
+  __LC_CTYPE = 0,
+  __LC_NUMERIC = 1,
+  __LC_TIME = 2,
+  __LC_COLLATE = 3,
+  __LC_MONETARY = 4,
+  __LC_MESSAGES = 5,
+  __LC_ALL = 6,
+  __LC_PAPER = 7,
+  __LC_NAME = 8,
+  __LC_ADDRESS = 9,
+  __LC_TELEPHONE = 10,
+  __LC_MEASUREMENT = 11,
+  __LC_IDENTIFICATION = 12
+};
+
+#endif	/* bits/locale.h */
diff --git a/libc/sysdeps/linux/sh/bits/mathcalls.h b/libc/sysdeps/linux/sh/bits/mathcalls.h
index 97bda451a..c1181f737 100644
--- a/libc/sysdeps/linux/sh/bits/mathcalls.h
+++ b/libc/sysdeps/linux/sh/bits/mathcalls.h
@@ -1,21 +1,21 @@
 /* Prototype declarations for math functions; helper file for <math.h>.
-   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996,1997,1998,1999,2000,2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 /* NOTE: Because of the special way this file is used by <math.h>, this
    file must NOT be protected from multiple inclusion as header files
@@ -81,7 +81,7 @@ __MATHCALL (sinh,, (_Mdouble_ __x));
 /* Hyperbolic tangent of X.  */
 __MATHCALL (tanh,, (_Mdouble_ __x));
 
-#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC9X
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
 /* Hyperbolic arc cosine of X.  */
 __MATHCALL (acosh,, (_Mdouble_ __x));
 /* Hyperbolic arc sine of X.  */
@@ -117,7 +117,7 @@ __MATHCALL (log10,, (_Mdouble_ __x));
 /* Break VALUE into integral and fractional parts.  */
 __MATHCALL (modf,, (_Mdouble_ __x, _Mdouble_ *__iptr));
 
-#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC9X
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
 /* Return exp(X) - 1.  */
 __MATHCALL (expm1,, (_Mdouble_ __x));
 
@@ -128,7 +128,7 @@ __MATHCALL (log1p,, (_Mdouble_ __x));
 __MATHCALL (logb,, (_Mdouble_ __x));
 #endif
 
-#ifdef __USE_ISOC9X
+#ifdef __USE_ISOC99
 /* Compute base-2 exponential of X.  */
 __MATHCALL (exp2,, (_Mdouble_ __x));
 
@@ -145,12 +145,12 @@ __MATHCALL (pow,, (_Mdouble_ __x, _Mdouble_ __y));
 /* Return the square root of X.  */
 __MATHCALL (sqrt,, (_Mdouble_ __x));
 
-#if defined __USE_MISC || defined __USE_XOPEN || defined __USE_ISOC9X
+#if defined __USE_MISC || defined __USE_XOPEN || defined __USE_ISOC99
 /* Return `sqrt(X*X + Y*Y)'.  */
 __MATHCALL (hypot,, (_Mdouble_ __x, _Mdouble_ __y));
 #endif
 
-#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC9X
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
 /* Return the cube root of X.  */
 __MATHCALL (cbrt,, (_Mdouble_ __x));
 #endif
@@ -186,14 +186,6 @@ __MATHDECL_1 (int,isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
 /* Return nonzero if VALUE is finite and not NaN.  */
 __MATHDECL_1 (int,finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
 
-/* Deal with an infinite or NaN result.
-   If ERROR is ERANGE, result is +Inf;
-   if ERROR is - ERANGE, result is -Inf;
-   otherwise result is NaN.
-   This will set `errno' to either ERANGE or EDOM,
-   and may return an infinity or NaN, or may do something else.  */
-__MATHCALLX (infnan,, (int __error), (__const__));
-
 /* Return the remainder of X/Y.  */
 __MATHCALL (drem,, (_Mdouble_ __x, _Mdouble_ __y));
 
@@ -202,12 +194,12 @@ __MATHCALL (drem,, (_Mdouble_ __x, _Mdouble_ __y));
 __MATHCALL (significand,, (_Mdouble_ __x));
 #endif /* Use misc.  */
 
-#if defined __USE_MISC || defined __USE_ISOC9X
+#if defined __USE_MISC || defined __USE_ISOC99
 /* Return X with its signed changed to Y's.  */
 __MATHCALLX (copysign,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
 #endif
 
-#ifdef __USE_ISOC9X
+#ifdef __USE_ISOC99
 /* Return representation of NaN for double type.  */
 __MATHCALLX (nan,, (__const char *__tagb), (__const__));
 #endif
@@ -230,11 +222,14 @@ __MATHCALL (yn,, (int, _Mdouble_));
 #endif
 
 
-#if defined __USE_MISC || defined __USE_XOPEN || defined __USE_ISOC9X
+#if defined __USE_MISC || defined __USE_XOPEN || defined __USE_ISOC99
 /* Error and gamma functions.  */
 __MATHCALL (erf,, (_Mdouble_));
 __MATHCALL (erfc,, (_Mdouble_));
 __MATHCALL (lgamma,, (_Mdouble_));
+#endif
+
+#ifdef __USE_ISOC99
 __MATHCALL (tgamma,, (_Mdouble_));
 #endif
 
@@ -251,14 +246,14 @@ __MATHCALL (lgamma,_r, (_Mdouble_, int *__signgamp));
 #endif
 
 
-#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC9X
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
 /* Return the integer nearest X in the direction of the
    prevailing rounding mode.  */
 __MATHCALL (rint,, (_Mdouble_ __x));
 
 /* Return X + epsilon if X < Y, X - epsilon if X > Y.  */
 __MATHCALLX (nextafter,, (_Mdouble_ __x, _Mdouble_ __y), (__const__));
-# ifdef __USE_ISOC9X
+# ifdef __USE_ISOC99
 __MATHCALLX (nexttoward,, (_Mdouble_ __x, long double __y), (__const__));
 # endif
 
@@ -270,14 +265,16 @@ __MATHCALL (remainder,, (_Mdouble_ __x, _Mdouble_ __y));
 __MATHCALL (scalb,, (_Mdouble_ __x, _Mdouble_ __n));
 # endif
 
+# if defined __USE_MISC || defined __USE_ISOC99
 /* Return X times (2 to the Nth power).  */
 __MATHCALL (scalbn,, (_Mdouble_ __x, int __n));
+# endif
 
 /* Return the binary exponent of X, which must be nonzero.  */
 __MATHDECL (int,ilogb,, (_Mdouble_ __x));
 #endif
 
-#ifdef __USE_ISOC9X
+#ifdef __USE_ISOC99
 /* Return X times (2 to the Nth power).  */
 __MATHCALL (scalbln,, (_Mdouble_ __x, long int __n));
 
@@ -333,4 +330,4 @@ __MATHDECL_1 (int, __signbit,, (_Mdouble_ __value))
 
 /* Multiply-add function computed as a ternary operation.  */
 __MATHCALL (fma,, (_Mdouble_ __x, _Mdouble_ __y, _Mdouble_ __z));
-#endif /* Use ISO C 9X.  */
+#endif /* Use ISO C99.  */
diff --git a/libc/sysdeps/linux/sh/bits/mathdef.h b/libc/sysdeps/linux/sh/bits/mathdef.h
index c5fe7d7e8..64cc79bc2 100644
--- a/libc/sysdeps/linux/sh/bits/mathdef.h
+++ b/libc/sysdeps/linux/sh/bits/mathdef.h
@@ -1,50 +1,75 @@
-/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #if !defined _MATH_H && !defined _COMPLEX_H
 # error "Never use <bits/mathdef.h> directly; include <math.h> instead"
 #endif
 
-#if defined  __USE_ISOC9X && defined _MATH_H && !defined _MATH_H_MATHDEF
+
+/* FIXME! This file describes properties of the compiler, not the machine;
+   it should not be part of libc!
+
+   FIXME! This file does not deal with the -fshort-double option of
+   gcc! */
+
+#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
 # define _MATH_H_MATHDEF	1
 
-/* Normally, there is no long double type and the `float' and `double'
-   expressions are evaluated as `double'.  */
+# ifdef __GNUC__
+#  if __STDC__ == 1
+
+/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
+typedef float float_t;		/* `float' expressions are evaluated as
+				   `float'.  */
+typedef double double_t;	/* `double' expressions are evaluated as
+				   `double'.  */
+
+/* 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;		/* `float' expressions are evaluated as
 				   `double'.  */
 typedef double double_t;	/* `double' expressions are evaluated as
 				   `double'.  */
 
-/* Signal that both types are `double'.  */
-# define FLT_EVAL_METHOD	1
+/* Define `INFINITY' as value of type `float'.  */
+#   define INFINITY	HUGE_VALF
+
+#  endif
+# else
+
+/* Wild guess at types for float_t and double_t. */
+typedef double float_t;
+typedef double double_t;
 
 /* Define `INFINITY' as value of type `float'.  */
-# define INFINITY	HUGE_VALF
+#  define INFINITY	HUGE_VALF
 
+# endif
 
 /* The values returned by `ilogb' for 0 and NaN respectively.  */
 # define FP_ILOGB0	0x80000001
 # define FP_ILOGBNAN	0x7fffffff
 
-/* Number of decimal digits for the `double' type.  */
-# define DECIMAL_DIG	15
-
-#endif	/* ISO C9X */
+#endif	/* ISO C99 */
 
 #ifndef __NO_LONG_DOUBLE_MATH
 /* Signal that we do not really have a `long double'.  The disables the
diff --git a/libc/sysdeps/linux/sh/bits/mman.h b/libc/sysdeps/linux/sh/bits/mman.h
index de70c6d02..1c17bf616 100644
--- a/libc/sysdeps/linux/sh/bits/mman.h
+++ b/libc/sysdeps/linux/sh/bits/mman.h
@@ -1,21 +1,21 @@
 /* Definitions for POSIX memory map interface.  Linux/SH version.
-   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1999, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_MMAN_H
 # error "Never include this file directly.  Use <sys/mman.h> instead"
@@ -73,3 +73,21 @@
 #ifdef __USE_GNU
 # define MREMAP_MAYMOVE	1
 #endif
+
+/* Advice to `madvise'.  */
+#ifdef __USE_BSD
+# define MADV_NORMAL	 0	/* No further special treatment.  */
+# define MADV_RANDOM	 1	/* Expect random page references.  */
+# define MADV_SEQUENTIAL 2	/* Expect sequential page references.  */
+# define MADV_WILLNEED	 3	/* Will need these pages.  */
+# define MADV_DONTNEED	 4	/* Don't need these pages.  */
+#endif
+
+/* The POSIX people had to invent similar names for the same things.  */
+#ifdef __USE_XOPEN2K
+# define POSIX_MADV_NORMAL	0 /* No further special treatment.  */
+# define POSIX_MADV_RANDOM	1 /* Expect random page references.  */
+# define POSIX_MADV_SEQUENTIAL	2 /* Expect sequential page references.  */
+# define POSIX_MADV_WILLNEED	3 /* Will need these pages.  */
+# define POSIX_MADV_DONTNEED	4 /* Don't need these pages.  */
+#endif
diff --git a/libc/sysdeps/linux/sh/bits/msq.h b/libc/sysdeps/linux/sh/bits/msq.h
index d7a8e5ee0..32a49b592 100644
--- a/libc/sysdeps/linux/sh/bits/msq.h
+++ b/libc/sysdeps/linux/sh/bits/msq.h
@@ -1,30 +1,36 @@
-/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_MSG_H
 # error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
 #endif
 
-#include <sys/types.h>
+#include <bits/types.h>
 
 /* Define options for message queue functions.  */
 #define MSG_NOERROR	010000	/* no error if message is too big */
-#define MSG_EXCEPT	020000	/* recv any msg except of specified type */
+#ifdef __USE_GNU
+# define MSG_EXCEPT	020000	/* recv any msg except of specified type */
+#endif
+
+/* Types used in the structure definition.  */
+typedef unsigned long int msgqnum_t;
+typedef unsigned long int msglen_t;
 
 
 /* Structure of record for one message inside the kernel.
@@ -32,18 +38,19 @@
 struct msqid_ds
 {
   struct ipc_perm msg_perm;	/* structure describing operation permission */
-  struct msg *__msg_first;	/* pointer to first message on queue */
-  struct msg *__msg_last;	/* pointer to last message on queue */
   __time_t msg_stime;		/* time of last msgsnd command */
+  unsigned long int __unused1;
   __time_t msg_rtime;		/* time of last msgrcv command */
+  unsigned long int __unused2;
   __time_t msg_ctime;		/* time of last change */
-  struct wait_queue *__wwait;	/* ??? */
-  struct wait_queue *__rwait;	/* ??? */
-  unsigned short int __msg_cbytes;/* current number of bytes on queue */
-  unsigned short int msg_qnum;	/* number of messages currently on queue */
-  unsigned short int msg_qbytes;/* max number of bytes allowed on queue */
-  __ipc_pid_t msg_lspid;	/* pid of last msgsnd() */
-  __ipc_pid_t msg_lrpid;	/* pid of last msgrcv() */
+  unsigned long int __unused3;
+  unsigned long int __msg_cbytes; /* current number of bytes on queue */
+  msgqnum_t msg_qnum;		/* number of messages currently on queue */
+  msglen_t msg_qbytes;		/* max number of bytes allowed on queue */
+  __pid_t msg_lspid;		/* pid of last msgsnd() */
+  __pid_t msg_lrpid;		/* pid of last msgrcv() */
+  unsigned long int __unused4;
+  unsigned long int __unused5;
 };
 
 #ifdef __USE_MISC
diff --git a/libc/sysdeps/linux/sh/bits/nan.h b/libc/sysdeps/linux/sh/bits/nan.h
index fbabd7e29..6d88b551b 100644
--- a/libc/sysdeps/linux/sh/bits/nan.h
+++ b/libc/sysdeps/linux/sh/bits/nan.h
@@ -3,19 +3,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _MATH_H
 # error "Never use <bits/nan.h> directly; include <math.h> instead."
diff --git a/libc/sysdeps/linux/sh/bits/netdb.h b/libc/sysdeps/linux/sh/bits/netdb.h
new file mode 100644
index 000000000..41dc73193
--- /dev/null
+++ b/libc/sysdeps/linux/sh/bits/netdb.h
@@ -0,0 +1,33 @@
+/* Copyright (C) 1996, 1997, 1998, 1999, 2000 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.  */
+
+#ifndef _NETDB_H
+# error "Never include <bits/netdb.h> directly; use <netdb.h> instead."
+#endif
+
+
+/* Description of data base entry for a single network.  NOTE: here a
+   poor assumption is made.  The network number is expected to fit
+   into an unsigned long int variable.  */
+struct netent
+{
+  char *n_name;			/* Official name of network.  */
+  char **n_aliases;		/* Alias list.  */
+  int n_addrtype;		/* Net address type.  */
+  uint32_t n_net;		/* Network number.  */
+};
diff --git a/libc/sysdeps/linux/sh/bits/poll.h b/libc/sysdeps/linux/sh/bits/poll.h
index 4aec021fe..dccb8b666 100644
--- a/libc/sysdeps/linux/sh/bits/poll.h
+++ b/libc/sysdeps/linux/sh/bits/poll.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_POLL_H
 # error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
@@ -46,6 +46,3 @@
 #define POLLERR		0x008		/* Error condition.  */
 #define POLLHUP		0x010		/* Hung up.  */
 #define POLLNVAL	0x020		/* Invalid polling request.  */
-
-/* Canonical number of polling requests to read in at a time in poll.  */
-#define NPOLLFILE	30
diff --git a/libc/sysdeps/linux/sh/bits/posix1_lim.h b/libc/sysdeps/linux/sh/bits/posix1_lim.h
index ee84b94a7..e16f4674d 100644
--- a/libc/sysdeps/linux/sh/bits/posix1_lim.h
+++ b/libc/sysdeps/linux/sh/bits/posix1_lim.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1991, 1992, 1993, 1996, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,93,96,98,2000,2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 /*
  *	POSIX Standard: 2.9.2 Minimum Values	Added to <limits.h>
@@ -73,7 +73,7 @@
 #define	_POSIX_NAME_MAX		14
 
 /* Number of bytes in a pathname.  */
-#define	_POSIX_PATH_MAX		255
+#define	_POSIX_PATH_MAX		256
 
 /* Number of bytes than can be written atomically to a pipe.  */
 #define	_POSIX_PIPE_BUF		512
@@ -97,7 +97,7 @@
 #define	_POSIX_STREAM_MAX	8
 
 /* Maximum length of a timezone name (element of `tzname').  */
-#define	_POSIX_TZNAME_MAX	3
+#define	_POSIX_TZNAME_MAX	6
 
 /* Maximum number of connections that can be queued on a socket.  */
 #define	_POSIX_QLIMIT		1
diff --git a/libc/sysdeps/linux/sh/bits/posix2_lim.h b/libc/sysdeps/linux/sh/bits/posix2_lim.h
index eaaf67129..24483a09d 100644
--- a/libc/sysdeps/linux/sh/bits/posix2_lim.h
+++ b/libc/sysdeps/linux/sh/bits/posix2_lim.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1991, 1996, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996, 1999, 2000, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 /*
  * Never include this file directly; include <limits.h> instead.
@@ -37,14 +37,8 @@
 #define	_POSIX2_BC_STRING_MAX		1000
 
 /* The maximum number of weights that can be assigned to an entry of
-   the LC_COLLATE `order' keyword in the locale definition file.
-   We have no fixed limit, 255 is very high.  */
-#define	_POSIX2_COLL_WEIGHTS_MAX	255
-
-/* The maximum number of weights that can be assigned to an entry of
-   the LC_COLLATE category `order' keyword in a locale definition.
-   We have no fixed limit, 255 is a high number.  */
-#define	_POSIX2_EQUIV_CLASS_MAX		255
+   the LC_COLLATE `order' keyword in the locale definition file.  */
+#define	_POSIX2_COLL_WEIGHTS_MAX	2
 
 /* The maximum number of expressions that can be nested
    within parentheses by the `expr' utility.  */
@@ -59,7 +53,7 @@
 
 /* The maximum number of bytes in a character class name.  We have no
    fixed limit, 2048 is a high number.  */
-#define	_POSIX2_CHARCLASS_NAME_MAX	2048
+#define	_POSIX2_CHARCLASS_NAME_MAX	14
 
 
 /* These values are implementation-specific,
@@ -79,10 +73,7 @@
 #define	BC_STRING_MAX		_POSIX2_BC_STRING_MAX
 #endif
 #ifndef	COLL_WEIGHTS_MAX
-#define	COLL_WEIGHTS_MAX	_POSIX2_COLL_WEIGHTS_MAX
-#endif
-#ifndef	EQUIV_CLASS_MAX
-#define	EQUIV_CLASS_MAX		_POSIX2_EQUIV_CLASS_MAX
+#define	COLL_WEIGHTS_MAX	255
 #endif
 #ifndef	EXPR_NEST_MAX
 #define	EXPR_NEST_MAX		_POSIX2_EXPR_NEST_MAX
@@ -91,7 +82,7 @@
 #define	LINE_MAX		_POSIX2_LINE_MAX
 #endif
 #ifndef	CHARCLASS_NAME_MAX
-#define	CHARCLASS_NAME_MAX	_POSIX2_CHARCLASS_NAME_MAX
+#define	CHARCLASS_NAME_MAX	2048
 #endif
 
 /* This value is defined like this in regex.h.  */
diff --git a/libc/sysdeps/linux/sh/bits/posix_opt.h b/libc/sysdeps/linux/sh/bits/posix_opt.h
index 15683b77e..54640bb56 100644
--- a/libc/sysdeps/linux/sh/bits/posix_opt.h
+++ b/libc/sysdeps/linux/sh/bits/posix_opt.h
@@ -1,5 +1,5 @@
 /* Define POSIX options for Linux.
-   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996,1997,1998,1999,2000,2001 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
@@ -89,13 +89,14 @@
 #define _POSIX_THREAD_ATTR_STACKADDR	1
 
 /* We support POSIX.1b semaphores, but only the non-shared form for now.  */
-/*#define _POSIX_SEMAPHORES	1	XXX We are not quite there now.  */
+#define _POSIX_SEMAPHORES	1
 
 /* Real-time signals are supported.  */
 #define _POSIX_REALTIME_SIGNALS	1
 
 /* We support asynchronous I/O.  */
 #define _POSIX_ASYNCHRONOUS_IO	1
+#define _POSIX_ASYNC_IO		1
 /* Alternative name for Unix98.  */
 #define _LFS_ASYNCHRONOUS_IO	1
 
@@ -107,4 +108,34 @@
 #define _LFS64_LARGEFILE	1
 #define _LFS64_STDIO		1
 
+/* POSIX shared memory objects are implemented.  */
+#define _POSIX_SHARED_MEMORY_OBJECTS	1
+
+/* GNU libc provides regular expression handling.  */
+#define _POSIX_REGEXP	1
+
+/* Reader/Writer locks are available.  */
+#define _POSIX_READER_WRITER_LOCKS	200912L
+
+/* We have a POSIX shell.  */
+#define _POSIX_SHELL	1
+
+/* We support the Timeouts option.  */
+#define _POSIX_TIMEOUTS	200912L
+
+/* We support spinlocks.  */
+#define _POSIX_SPIN_LOCKS	200912L
+
+/* The `spawn' function family is supported.  */
+#define _POSIX_SPAWN	200912L
+
+/* We have POSIX timers.  */
+#define _POSIX_TIMERS	1
+
+/* The barrier functions are available.  */
+#define _POSIX_BARRIERS	200912L
+
+/* POSIX message queues are not yet supported.  */
+#undef	_POSIX_MESSAGE_PASSING
+
 #endif /* posix_opt.h */
diff --git a/libc/sysdeps/linux/sh/bits/pthreadtypes.h b/libc/sysdeps/linux/sh/bits/pthreadtypes.h
index fbb10ed5c..3ee5c4813 100644
--- a/libc/sysdeps/linux/sh/bits/pthreadtypes.h
+++ b/libc/sysdeps/linux/sh/bits/pthreadtypes.h
@@ -25,8 +25,9 @@
 /* Fast locks (not abstract because mutexes and conditions aren't abstract). */
 struct _pthread_fastlock
 {
-  long int __status;            /* "Free" or "taken" or head of waiting list */
-  int __spinlock;               /* For compare-and-swap emulation */
+  long int __status;   /* "Free" or "taken" or head of waiting list */
+  int __spinlock;      /* Used by compare_and_swap emulation. Also,
+			  adaptive SMP lock stores spin count here. */
 };
 
 #ifndef _PTHREAD_DESCR_DEFINED
@@ -37,7 +38,7 @@ typedef struct _pthread_descr_struct *_pthread_descr;
 
 
 /* Attributes for threads.  */
-typedef struct
+typedef struct __pthread_attr_s
 {
   int __detachstate;
   int __schedpolicy;
@@ -95,7 +96,7 @@ typedef int pthread_once_t;
 
 #ifdef __USE_UNIX98
 /* Read-write locks.  */
-typedef struct
+typedef struct _pthread_rwlock_t
 {
   struct _pthread_fastlock __rw_lock; /* Lock to guarantee mutual exclusion */
   int __rw_readers;                   /* Number of readers */
@@ -115,6 +116,25 @@ typedef struct
 } pthread_rwlockattr_t;
 #endif
 
+#ifdef __USE_XOPEN2K
+/* POSIX spinlock data type.  */
+typedef volatile int pthread_spinlock_t;
+
+/* POSIX barrier. */
+typedef struct {
+  struct _pthread_fastlock __ba_lock; /* Lock to guarantee mutual exclusion */
+  int __ba_required;                  /* Threads needed for completion */
+  int __ba_present;                   /* Threads waiting */
+  _pthread_descr __ba_waiting;        /* Queue of waiting threads */
+} pthread_barrier_t;
+
+/* barrier attribute */
+typedef struct {
+  int __pshared;
+} pthread_barrierattr_t;
+
+#endif
+
 
 /* Thread identifiers */
 typedef unsigned long int pthread_t;
diff --git a/libc/sysdeps/linux/sh/bits/resource.h b/libc/sysdeps/linux/sh/bits/resource.h
index 50c659389..07b5d8e49 100644
--- a/libc/sysdeps/linux/sh/bits/resource.h
+++ b/libc/sysdeps/linux/sh/bits/resource.h
@@ -1,21 +1,21 @@
-/* Bit values & structures for resource limits.  Linux version.
-   Copyright (C) 1994, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Bit values & structures for resource limits.  Linux/SH version.
+   Copyright (C) 1994,1996,1997,1998,1999,2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_RESOURCE_H
 # error "Never use <bits/resource.h> directly; include <sys/resource.h> instead."
@@ -64,7 +64,7 @@ enum __rlimit_resource
 #define RLIMIT_NOFILE RLIMIT_NOFILE
 #define RLIMIT_OFILE RLIMIT_OFILE
 
-  /* Address space limit (?) */
+  /* Address space limit.  */
   RLIMIT_AS = 9,
 #define RLIMIT_AS RLIMIT_AS
 
@@ -76,20 +76,25 @@ enum __rlimit_resource
   RLIMIT_MEMLOCK = 8,
 #define RLIMIT_MEMLOCK RLIMIT_MEMLOCK
 
-  RLIM_NLIMITS = 10
+  /* Maximum number of file locks.  */
+  RLIMIT_LOCKS = 10,
+#define RLIMIT_LOCKS RLIMIT_LOCKS
+
+  RLIMIT_NLIMITS = 11,
+  RLIM_NLIMITS = RLIMIT_NLIMITS
 #define RLIMIT_NLIMITS RLIMIT_NLIMITS
 #define RLIM_NLIMITS RLIM_NLIMITS
 };
 
 /* Value to indicate that there is no limit.  */
 #ifndef __USE_FILE_OFFSET64
-# define RLIM_INFINITY ((long int)(~0UL >> 1))
+# define RLIM_INFINITY ((unsigned long int)(~0UL))
 #else
-# define RLIM_INFINITY 0x7fffffffffffffffLL
+# define RLIM_INFINITY 0xffffffffffffffffuLL
 #endif
 
 #ifdef __USE_LARGEFILE64
-# define RLIM64_INFINITY 0x7fffffffffffffffLL
+# define RLIM64_INFINITY 0xffffffffffffffffuLL
 #endif
 
 /* We can represent all limits.  */
diff --git a/libc/sysdeps/linux/sh/bits/sched.h b/libc/sysdeps/linux/sh/bits/sched.h
index 7e3c40eb4..5c10d85d4 100644
--- a/libc/sysdeps/linux/sh/bits/sched.h
+++ b/libc/sysdeps/linux/sh/bits/sched.h
@@ -1,22 +1,22 @@
 /* Definitions of constants and data structure for POSIX 1003.1b-1993
    scheduling interface.
-   Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 1999, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef __need_schedparam
 
@@ -46,15 +46,15 @@
 /* The official definition.  */
 struct sched_param
   {
-    int sched_priority;
+    int __sched_priority;
   };
 
 __BEGIN_DECLS
 
 /* Clone current process.  */
 #ifdef __USE_MISC
-extern int clone __P ((int (*__fn) (void *__arg), void *__child_stack,
-		       int __flags, void *__arg));
+extern int clone (int (*__fn) (void *__arg), void *__child_stack,
+		  int __flags, void *__arg) __THROW;
 #endif
 
 __END_DECLS
@@ -67,7 +67,7 @@ __END_DECLS
 /* Data structure to describe a process' schedulability.  */
 struct __sched_param
   {
-    int sched_priority;
+    int __sched_priority;
   };
 # undef __need_schedparam
 #endif
diff --git a/libc/sysdeps/linux/sh/bits/select.h b/libc/sysdeps/linux/sh/bits/select.h
index 4513135af..47e7dedc3 100644
--- a/libc/sysdeps/linux/sh/bits/select.h
+++ b/libc/sysdeps/linux/sh/bits/select.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_SELECT_H
 # error "Never use <bits/select.h> directly; include <sys/select.h> instead."
@@ -26,8 +26,8 @@
 #define __FD_ZERO(s) \
   do {									      \
     unsigned int __i;							      \
-    __fd_set *__arr = (s);						      \
-    for (__i = 0; __i < sizeof (__fd_set) / sizeof (__fd_mask); ++__i)	      \
+    fd_set *__arr = (s);						      \
+    for (__i = 0; __i < sizeof (fd_set) / sizeof (__fd_mask); ++__i)	      \
       __FDS_BITS (__arr)[__i] = 0;					      \
   } while (0)
 #define __FD_SET(d, s)     (__FDS_BITS (s)[__FDELT(d)] |= __FDMASK(d))
diff --git a/libc/sysdeps/linux/sh/bits/sem.h b/libc/sysdeps/linux/sh/bits/sem.h
index 3d113a74f..6193501e2 100644
--- a/libc/sysdeps/linux/sh/bits/sem.h
+++ b/libc/sysdeps/linux/sh/bits/sem.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_SEM_H
 # error "Never include <bits/sem.h> directly; use <sys/sem.h> instead."
@@ -40,15 +40,14 @@ struct semid_ds
 {
   struct ipc_perm sem_perm;		/* operation permission struct */
   __time_t sem_otime;			/* last semop() time */
+  unsigned long int __unused1;
   __time_t sem_ctime;			/* last time changed by semctl() */
-  struct sem *__sembase;		/* ptr to first semaphore in array */
-  struct sem_queue *__sem_pending;	/* pending operations */
-  struct sem_queue *__sem_pending_last; /* last pending operation */
-  struct sem_undo *__undo;		/* ondo requests on this array */
-  unsigned short int sem_nsems;		/* number of semaphores in set */
+  unsigned long int __unused2;
+  unsigned long int sem_nsems;		/* number of semaphores in set */
+  unsigned long int __unused3;
+  unsigned long int __unused4;
 };
 
-
 /* The user should define a union like the following to use it for arguments
    for `semctl'.
 
diff --git a/libc/sysdeps/linux/sh/bits/setjmp.h b/libc/sysdeps/linux/sh/bits/setjmp.h
index f85c3daa0..5182300f3 100644
--- a/libc/sysdeps/linux/sh/bits/setjmp.h
+++ b/libc/sysdeps/linux/sh/bits/setjmp.h
@@ -2,19 +2,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 /* Define the machine-dependent type `jmp_buf'.  SH version. */
 
@@ -29,17 +29,22 @@ typedef struct
     int __regs[8];
 
     /* Program counter.  */
-    __ptr_t __pc;
+    void * __pc;
 
     /* The global pointer.  */
-    __ptr_t __gbr;
+    void * __gbr;
 
+    /* Floating point status register.  */
+    int __fpscr;
+
+    /* Callee-saved floating point registers fr12 through fr15.  */
+    int __fpregs[4];
   } __jmp_buf[1];
 #endif
 
-#define JB_SIZE		(4 * 10)
+#define JB_SIZE		(4 * 15)
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
 #define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((__ptr_t) (address) < &(jmpbuf)[0].__regs[7])
+  ((void *) (address) < &(jmpbuf)[0].__regs[7])
diff --git a/libc/sysdeps/linux/sh/bits/shm.h b/libc/sysdeps/linux/sh/bits/shm.h
index c7070595b..18246c3bd 100644
--- a/libc/sysdeps/linux/sh/bits/shm.h
+++ b/libc/sysdeps/linux/sh/bits/shm.h
@@ -1,26 +1,26 @@
-/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_SHM_H
 # error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
 #endif
 
-#include <sys/types.h>
+#include <bits/types.h>
 
 /* Permission flag for shmget.  */
 #define SHM_R		0400		/* or S_IRUGO from <linux/stat.h> */
@@ -36,20 +36,25 @@
 #define SHM_UNLOCK	12		/* unlock segment (root only) */
 
 
+/* Type to count number of attaches.  */
+typedef unsigned long int shmatt_t;
+
 /* Data structure describing a set of semaphores.  */
 struct shmid_ds
   {
     struct ipc_perm shm_perm;		/* operation permission struct */
-    int shm_segsz;			/* size of segment in bytes */
+    size_t shm_segsz;			/* size of segment in bytes */
     __time_t shm_atime;			/* time of last shmat() */
+    unsigned long int __unused1;
     __time_t shm_dtime;			/* time of last shmdt() */
+    unsigned long int __unused2;
     __time_t shm_ctime;			/* time of last change by shmctl() */
-    __ipc_pid_t shm_cpid;		/* pid of creator */
-    __ipc_pid_t shm_lpid;		/* pid of last shmop */
-    unsigned short int shm_nattch;	/* number of current attaches */
-    unsigned short int __shm_npages;	/* size of segment (pages) */
-    unsigned long int *__shm_pages;	/* array of ptrs to frames -> SHMMAX */
-    struct vm_area_struct *__attaches;	/* descriptors for attaches */
+    unsigned long int __unused3;
+    __pid_t shm_cpid;			/* pid of creator */
+    __pid_t shm_lpid;			/* pid of last shmop */
+    shmatt_t shm_nattch;		/* number of current attaches */
+    unsigned long int __unused4;
+    unsigned long int __unused5;
   };
 
 #ifdef __USE_MISC
@@ -64,11 +69,15 @@ struct shmid_ds
 
 struct	shminfo
   {
-    int shmmax;
-    int shmmin;
-    int shmmni;
-    int shmseg;
-    int shmall;
+    unsigned long int shmmax;
+    unsigned long int shmmin;
+    unsigned long int shmmni;
+    unsigned long int shmseg;
+    unsigned long int shmall;
+    unsigned long int __unused1;
+    unsigned long int __unused2;
+    unsigned long int __unused3;
+    unsigned long int __unused4;
   };
 
 struct shm_info
diff --git a/libc/sysdeps/linux/sh/bits/sigaction.h b/libc/sysdeps/linux/sh/bits/sigaction.h
index e74eac22d..48cc5312f 100644
--- a/libc/sysdeps/linux/sh/bits/sigaction.h
+++ b/libc/sysdeps/linux/sh/bits/sigaction.h
@@ -1,21 +1,21 @@
 /* The proper definitions for Linux's sigaction.
-   Copyright (C) 1993, 94, 95, 96, 97, 98, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1993-1999, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SIGNAL_H
 # error "Never include <bits/sigaction.h> directly; use <signal.h> instead."
@@ -31,7 +31,7 @@ struct sigaction
 	/* Used if SA_SIGINFO is not set.  */
 	__sighandler_t sa_handler;
 	/* Used if SA_SIGINFO is set.  */
-	void (*sa_sigaction) __PMT ((int, siginfo_t *, void *));
+	void (*sa_sigaction) (int, siginfo_t *, void *);
       }
     __sigaction_handler;
 # define sa_handler	__sigaction_handler.sa_handler
@@ -47,7 +47,7 @@ struct sigaction
     int sa_flags;
 
     /* Restore handler.  */
-    void (*sa_restorer) __PMT ((void));
+    void (*sa_restorer) (void);
   };
 
 /* Bits in `sa_flags'.  */
diff --git a/libc/sysdeps/linux/sh/bits/sigcontext.h b/libc/sysdeps/linux/sh/bits/sigcontext.h
index 97cbf4b30..67dcf9498 100644
--- a/libc/sysdeps/linux/sh/bits/sigcontext.h
+++ b/libc/sysdeps/linux/sh/bits/sigcontext.h
@@ -2,19 +2,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
diff --git a/libc/sysdeps/linux/sh/bits/siginfo.h b/libc/sysdeps/linux/sh/bits/siginfo.h
index 66e626199..70a8c217e 100644
--- a/libc/sysdeps/linux/sh/bits/siginfo.h
+++ b/libc/sysdeps/linux/sh/bits/siginfo.h
@@ -1,29 +1,33 @@
-/* siginfo_t, sigevent and constants.  Linux version.
-   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* siginfo_t, sigevent and constants.  Linux/SPARC version.
+   Copyright (C) 1997, 1998, 1999, 2000, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
-#if !defined _SIGNAL_H && !defined __need_siginfo_t
+#if !defined _SIGNAL_H && !defined __need_siginfo_t \
+    && !defined __need_sigevent_t
 # error "Never include this file directly.  Use <signal.h> instead"
 #endif
 
-#if (!defined __have_siginfo_t \
-     && (defined _SIGNAL_H || defined __need_siginfo_t))
-# define __have_siginfo_t	1
+#include <bits/wordsize.h>
+
+#if (!defined __have_sigval_t \
+     && (defined _SIGNAL_H || defined __need_siginfo_t \
+	 || defined __need_sigevent_t))
+# define __have_sigval_t	1
 
 /* Type for data associated with a signal.  */
 typedef union sigval
@@ -31,9 +35,18 @@ typedef union sigval
     int sival_int;
     void *sival_ptr;
   } sigval_t;
+#endif
+
+#if (!defined __have_siginfo_t \
+     && (defined _SIGNAL_H || defined __need_siginfo_t))
+# define __have_siginfo_t	1
 
 # define __SI_MAX_SIZE     128
-# define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 3)
+# if __WORDSIZE == 64
+#  define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 4)
+# else
+#  define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 3)
+# endif
 
 typedef struct siginfo
   {
@@ -87,7 +100,7 @@ typedef struct siginfo
 	/* SIGPOLL.  */
 	struct
 	  {
-	    int si_band;	/* Band event for SIGPOLL.  */
+	    long int si_band;	/* Band event for SIGPOLL.  */
 	    int si_fd;
 	  } _sigpoll;
       } _sifields;
@@ -97,6 +110,8 @@ typedef struct siginfo
 /* X/Open requires some more fields with fixed names.  */
 # define si_pid		_sifields._kill.si_pid
 # define si_uid		_sifields._kill.si_uid
+# define si_timer1	_sifields._timer._timer1
+# define si_timer2	_sifields._timer._timer2
 # define si_status	_sifields._sigchld.si_status
 # define si_utime	_sifields._sigchld.si_utime
 # define si_stime	_sifields._sigchld.si_stime
@@ -112,7 +127,9 @@ typedef struct siginfo
    signals.  */
 enum
 {
-  SI_SIGIO = -5,		/* Sent by queued SIGIO. */
+  SI_ASYNCNL = -6,		/* Sent by asynch name lookup completion.  */
+# define SI_ASYNCNL	SI_ASYNCNL
+  SI_SIGIO,			/* Sent by queued SIGIO. */
 # define SI_SIGIO	SI_SIGIO
   SI_ASYNCIO,			/* Sent by AIO completion.  */
 # define SI_ASYNCIO	SI_ASYNCIO
@@ -122,8 +139,10 @@ enum
 # define SI_TIMER	SI_TIMER
   SI_QUEUE,			/* Sent by sigqueue.  */
 # define SI_QUEUE	SI_QUEUE
-  SI_USER			/* Sent by kill, sigsend, raise.  */
+  SI_USER,			/* Sent by kill, sigsend, raise.  */
 # define SI_USER	SI_USER
+  SI_KERNEL = 0x80		/* Send by kernel.  */
+#define SI_KERNEL	SI_KERNEL
 };
 
 
@@ -236,12 +255,20 @@ enum
 #endif	/* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
 
 
-#if defined _SIGNAL_H && !defined __have_sigevent_t
+#if (defined _SIGNAL_H || defined __need_sigevent_t) \
+    && !defined __have_sigevent_t
 # define __have_sigevent_t	1
 
 /* Structure to transport application-defined values with signals.  */
 # define __SIGEV_MAX_SIZE	64
-# define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
+# if __WORDSIZE == 64
+#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
+# else
+#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
+# endif
+
+/* Forward declaration of the `pthread_attr_t' type.  */
+struct __pthread_attr_s;
 
 typedef struct sigevent
   {
@@ -255,8 +282,8 @@ typedef struct sigevent
 
 	struct
 	  {
-	    void (*_function) __PMT ((sigval_t)); /* Function to start.  */
-	    void *_attribute;			  /* Really pthread_attr_t.  */
+	    void (*_function) (sigval_t);	  /* Function to start.  */
+	    struct __pthread_attr_s *_attribute;  /* Really pthread_attr_t.  */
 	  } _sigev_thread;
       } _sigev_un;
   } sigevent_t;
diff --git a/libc/sysdeps/linux/sh/bits/signum.h b/libc/sysdeps/linux/sh/bits/signum.h
index fb26703d0..74259b492 100644
--- a/libc/sysdeps/linux/sh/bits/signum.h
+++ b/libc/sysdeps/linux/sh/bits/signum.h
@@ -3,19 +3,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifdef	_SIGNAL_H
 
diff --git a/libc/sysdeps/linux/sh/bits/sigset.h b/libc/sysdeps/linux/sh/bits/sigset.h
index dcdc924c2..7ccadda45 100644
--- a/libc/sysdeps/linux/sh/bits/sigset.h
+++ b/libc/sysdeps/linux/sh/bits/sigset.h
@@ -3,19 +3,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef	_SIGSET_H_types
 # define _SIGSET_H_types	1
@@ -24,7 +24,11 @@ typedef int __sig_atomic_t;
 
 /* A `sigset_t' has a bit for each signal.  */
 
-typedef unsigned long __sigset_t;
+# define _SIGSET_NWORDS	(1024 / (8 * sizeof (unsigned long int)))
+typedef struct
+  {
+    unsigned long int __val[_SIGSET_NWORDS];
+  } __sigset_t;
 
 #endif
 
@@ -43,27 +47,79 @@ typedef unsigned long __sigset_t;
 # endif
 
 /* Return a mask that includes the bit for SIG only.  */
-# define __sigmask(sig) (1L << ((sig) - 1))
+# define __sigmask(sig) \
+  (((unsigned long int) 1) << (((sig) - 1) % (8 * sizeof (unsigned long int))))
+
+/* Return the word index for SIG.  */
+# define __sigword(sig)	(((sig) - 1) / (8 * sizeof (unsigned long int)))
 
 # if defined __GNUC__ && __GNUC__ >= 2
-#  define __sigemptyset(set) (*(set) = 0)
-#  define __sigfillset(set) (*(set) = ~0)
+#  define __sigemptyset(set) \
+  (__extension__ ({ int __cnt = _SIGSET_NWORDS;				      \
+		    sigset_t *__set = (set);				      \
+		    while (--__cnt >= 0) __set->__val[__cnt] = 0;	      \
+		    0; }))
+#  define __sigfillset(set) \
+  (__extension__ ({ int __cnt = _SIGSET_NWORDS;				      \
+		    sigset_t *__set = (set);				      \
+		    while (--__cnt >= 0) __set->__val[__cnt] = ~0UL;	      \
+		    0; }))
 
 #  ifdef __USE_GNU
 /* The POSIX does not specify for handling the whole signal set in one
    command.  This is often wanted and so we define three more functions
    here.  */
-#   define __sigisemptyset(set) (*(set) == 0)
-#   define __sigandset(dest, left, right) (*(dest) = *(left) & *(right))
-#   define __sigorset(dest, left, right) (*(dest) = *(left) | *(right))
+#   define __sigisemptyset(set) \
+  (__extension__ ({ int __cnt = _SIGSET_NWORDS;				      \
+		    const sigset_t *__set = (set);			      \
+		    int __ret = __set->__val[--__cnt];			      \
+		    while (!__ret && --__cnt >= 0)			      \
+			__ret = __set->__val[__cnt];			      \
+		    __ret == 0; }))
+#   define __sigandset(dest, left, right) \
+  (__extension__ ({ int __cnt = _SIGSET_NWORDS;				      \
+		    sigset_t *__dest = (dest);				      \
+		    const sigset_t *__left = (left);			      \
+		    const sigset_t *__right = (right);			      \
+		    while (--__cnt >= 0)				      \
+		      __dest->__val[__cnt] = (__left->__val[__cnt]	      \
+					      & __right->__val[__cnt]);	      \
+		    0; }))
+#   define __sigorset(dest, left, right) \
+  (__extension__ ({ int __cnt = _SIGSET_NWORDS;				      \
+		    sigset_t *__dest = (dest);				      \
+		    const sigset_t *__left = (left);			      \
+		    const sigset_t *__right = (right);			      \
+		    while (--__cnt >= 0)				      \
+		      __dest->__val[__cnt] = (__left->__val[__cnt]	      \
+					      | __right->__val[__cnt]);	      \
+		    0; }))
 #  endif
 # endif
 
 /* These functions needn't check for a bogus signal number -- error
    checking is done in the non __ versions.  */
 
-# define __sigismember(set, sig) (*(set) & (1L << ((sig)-1)))
-# define __sigaddset(set, sig) (*(set) |= (1L << ((sig)-1)))
-# define __sigdelset(set, sig) (*(set) &= ~(1L << ((sig)-1)))
+extern int __sigismember (__const __sigset_t *, int);
+extern int __sigaddset (__sigset_t *, int);
+extern int __sigdelset (__sigset_t *, int);
+
+# ifdef __USE_EXTERN_INLINES
+#  define __SIGSETFN(NAME, BODY, CONST)					      \
+  _EXTERN_INLINE int							      \
+  NAME (CONST __sigset_t *__set, int __sig)				      \
+  {									      \
+    unsigned long int __mask = __sigmask (__sig);			      \
+    unsigned long int __word = __sigword (__sig);			      \
+    return BODY;							      \
+  }
+
+__SIGSETFN (__sigismember, (__set->__val[__word] & __mask) ? 1 : 0, __const)
+__SIGSETFN (__sigaddset, ((__set->__val[__word] |= __mask), 0), )
+__SIGSETFN (__sigdelset, ((__set->__val[__word] &= ~__mask), 0), )
+
+#  undef __SIGSETFN
+# endif
+
 
 #endif /* ! _SIGSET_H_fns.  */
diff --git a/libc/sysdeps/linux/sh/bits/sigstack.h b/libc/sysdeps/linux/sh/bits/sigstack.h
index 905e87fd9..7f260367b 100644
--- a/libc/sysdeps/linux/sh/bits/sigstack.h
+++ b/libc/sysdeps/linux/sh/bits/sigstack.h
@@ -1,21 +1,21 @@
 /* sigstack, sigaltstack definitions.
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright (C) 1998, 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SIGNAL_H
 # error "Never include this file directly.  Use <signal.h> instead"
@@ -25,7 +25,7 @@
 /* Structure describing a signal stack (obsolete).  */
 struct sigstack
   {
-    __ptr_t ss_sp;		/* Signal stack pointer.  */
+    void *ss_sp;		/* Signal stack pointer.  */
     int ss_onstack;		/* Nonzero if executing on this stack.  */
   };
 
@@ -49,7 +49,7 @@ enum
 /* Alternate, preferred interface.  */
 typedef struct sigaltstack
   {
-    __ptr_t ss_sp;
+    void *ss_sp;
     int ss_flags;
     size_t ss_size;
   } stack_t;
diff --git a/libc/sysdeps/linux/sh/bits/sigthread.h b/libc/sysdeps/linux/sh/bits/sigthread.h
index c213614be..b86e75f20 100644
--- a/libc/sysdeps/linux/sh/bits/sigthread.h
+++ b/libc/sysdeps/linux/sh/bits/sigthread.h
@@ -1,5 +1,5 @@
 /* Signal handling function for threaded programs.
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000 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
@@ -17,25 +17,22 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#ifndef _BITS_SIGTHREAD_H 
+#ifndef _BITS_SIGTHREAD_H
 #define _BITS_SIGTHREAD_H	1
 
 #if !defined _SIGNAL_H && !defined _PTHREAD_H
 # error "Never include this file directly.  Use <pthread.h> instead"
 #endif
 
-__BEGIN_DECLS
-
 /* Functions for handling signals. */
 
 /* Modify the signal mask for the calling thread.  The arguments have
    the same meaning as for sigprocmask(2). */
-extern int pthread_sigmask __P ((int __how, __const __sigset_t *__newmask,
-				 __sigset_t *__oldmask));
+extern int pthread_sigmask (int __how,
+			    __const __sigset_t *__restrict __newmask,
+			    __sigset_t *__restrict __oldmask)__THROW;
 
 /* Send signal SIGNO to the given thread. */
-extern int pthread_kill __P ((pthread_t __thread, int __signo));
-
-__END_DECLS
+extern int pthread_kill (pthread_t __thread, int __signo) __THROW;
 
 #endif	/* bits/sigthread.h */
diff --git a/libc/sysdeps/linux/sh/bits/sockaddr.h b/libc/sysdeps/linux/sh/bits/sockaddr.h
index 8078963a8..3e1d1312d 100644
--- a/libc/sysdeps/linux/sh/bits/sockaddr.h
+++ b/libc/sysdeps/linux/sh/bits/sockaddr.h
@@ -1,21 +1,21 @@
 /* Definition of `struct sockaddr_*' common members.  Generic/4.2 BSD version.
-   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1995,1996,1997,1998,2000,2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 /*
  * Never include this file directly; use <sys/socket.h> instead.
@@ -24,7 +24,6 @@
 #ifndef _BITS_SOCKADDR_H
 #define _BITS_SOCKADDR_H	1
 
-__BEGIN_DECLS
 
 /* POSIX.1g specifies this type name for the `sa_family' member.  */
 typedef unsigned short int sa_family_t;
@@ -38,10 +37,4 @@ typedef unsigned short int sa_family_t;
 
 #define __SOCKADDR_COMMON_SIZE	(sizeof (unsigned short int))
 
-/* Return the length of a `sockaddr' structure.  */
-#define SA_LEN(_x)	__libc_sa_len((_x)->sa_family)
-extern int __libc_sa_len __P ((sa_family_t __af));
-
-__END_DECLS
-
 #endif	/* bits/sockaddr.h */
diff --git a/libc/sysdeps/linux/sh/bits/socket.h b/libc/sysdeps/linux/sh/bits/socket.h
index dc2d58cfc..6ad4a5ed9 100644
--- a/libc/sysdeps/linux/sh/bits/socket.h
+++ b/libc/sysdeps/linux/sh/bits/socket.h
@@ -1,21 +1,21 @@
 /* System-specific socket constants and types.  Linux version.
-   Copyright (C) 1991,92,94,95,96,97,98,99 Free Software Foundation, Inc.
+   Copyright (C) 1991,1992,1994-1999,2000,2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef __BITS_SOCKET_H
 #define __BITS_SOCKET_H
@@ -32,7 +32,10 @@
 #include <sys/types.h>
 
 /* Type for length arguments in socket calls.  */
-typedef unsigned int socklen_t;
+#ifndef __socklen_t_defined
+typedef __socklen_t socklen_t;
+# define __socklen_t_defined
+#endif
 
 /* Types of sockets.  */
 enum __socket_type
@@ -82,7 +85,10 @@ enum __socket_type
 #define	PF_ECONET	19	/* Acorn Econet.  */
 #define	PF_ATMSVC	20	/* ATM SVCs.  */
 #define	PF_SNA		22	/* Linux SNA Project */
-#define PF_IRDA		23	/* IRDA sockets.  */
+#define	PF_IRDA		23	/* IRDA sockets.  */
+#define	PF_PPPOX	24	/* PPPoX sockets.  */
+#define	PF_WANPIPE	25	/* Wanpipe API sockets.  */
+#define	PF_BLUETOOTH	31	/* Bluetooth sockets.  */
 #define	PF_MAX		32	/* For now..  */
 
 /* Address families.  */
@@ -111,7 +117,10 @@ enum __socket_type
 #define	AF_ECONET	PF_ECONET
 #define	AF_ATMSVC	PF_ATMSVC
 #define	AF_SNA		PF_SNA
-#define AF_IRDA		PF_IRDA
+#define	AF_IRDA		PF_IRDA
+#define	AF_PPPOX	PF_PPPOX
+#define	AF_WANPIPE	PF_WANPIPE
+#define	AF_BLUETOOTH	PF_BLUETOOTH
 #define	AF_MAX		PF_MAX
 
 /* Socket level values.  Others are defined in the appropriate headers.
@@ -152,7 +161,7 @@ struct sockaddr
 
 struct sockaddr_storage
   {
-    __SOCKADDR_COMMON (__ss_);	/* Address family, etc.  */
+    __SOCKADDR_COMMON (ss_);	/* Address family, etc.  */
     __ss_aligntype __ss_align;	/* Force desired alignment.  */
     char __ss_padding[_SS_PADSIZE];
   };
@@ -188,14 +197,16 @@ enum
 #define	MSG_FIN		MSG_FIN
     MSG_SYN		= 0x400,
 #define	MSG_SYN		MSG_SYN
-    MSG_URG		= 0x800,
-#define	MSG_URG		MSG_URG
+    MSG_CONFIRM		= 0x800, /* Confirm path validity.  */
+#define	MSG_CONFIRM	MSG_CONFIRM
     MSG_RST		= 0x1000,
 #define	MSG_RST		MSG_RST
     MSG_ERRQUEUE	= 0x2000, /* Fetch message from error queue.  */
 #define	MSG_ERRQUEUE	MSG_ERRQUEUE
-    MSG_NOSIGNAL	= 0x4000  /* Do not generate SIGPIPE.  */
+    MSG_NOSIGNAL	= 0x4000, /* Do not generate SIGPIPE.  */
 #define	MSG_NOSIGNAL	MSG_NOSIGNAL
+    MSG_MORE		= 0x8000  /* Sender will send more.  */
+#define	MSG_MORE	MSG_MORE
   };
 
 
@@ -203,14 +214,14 @@ enum
    `sendmsg' and received by `recvmsg'.  */
 struct msghdr
   {
-    __ptr_t msg_name;		/* Address to send to/receive from.  */
+    void *msg_name;		/* Address to send to/receive from.  */
     socklen_t msg_namelen;	/* Length of address data.  */
 
     struct iovec *msg_iov;	/* Vector of data to send/receive into.  */
-    size_t msg_iovlen;		/* Number of elements in the vector.  */
+    int msg_iovlen;		/* Number of elements in the vector.  */
 
-    __ptr_t msg_control;	/* Ancillary data (eg BSD filedesc passing). */
-    size_t msg_controllen;	/* Ancillary data buffer length.  */
+    void *msg_control;		/* Ancillary data (eg BSD filedesc passing). */
+    socklen_t msg_controllen;	/* Ancillary data buffer length.  */
 
     int msg_flags;		/* Flags on received message.  */
   };
@@ -222,10 +233,8 @@ struct cmsghdr
 				   of cmsghdr structure.  */
     int cmsg_level;		/* Originating protocol.  */
     int cmsg_type;		/* Protocol specific type.  */
-#if !defined __STRICT_ANSI__ && defined __GNUC__ && __GNUC__ >= 2
-    unsigned char __cmsg_data[0]; /* Ancillary data.  */
+    __extension__ unsigned char __cmsg_data __flexarr; /* Ancillary data.  */
     /* XXX Perhaps this should be removed.  */
-#endif
   };
 
 /* Ancillary data object manipulation macros.  */
@@ -239,19 +248,19 @@ struct cmsghdr
   ((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr)		      \
    ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL)
 #define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \
-			 & ~(sizeof (size_t) - 1))
+			 & (size_t) ~(sizeof (size_t) - 1))
 #define CMSG_SPACE(len) (CMSG_ALIGN (len) \
 			 + CMSG_ALIGN (sizeof (struct cmsghdr)))
 #define CMSG_LEN(len)   (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))
 
-extern struct cmsghdr *__cmsg_nxthdr __P ((struct msghdr *__mhdr,
-					   struct cmsghdr *__cmsg));
+extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr,
+				      struct cmsghdr *__cmsg) __THROW;
 #ifdef __USE_EXTERN_INLINES
 # ifndef _EXTERN_INLINE
 #  define _EXTERN_INLINE extern __inline
 # endif
 _EXTERN_INLINE struct cmsghdr *
-__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)
+__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg) __THROW
 {
   if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr))
     /* The kernel header does this so there may be a reason.  */
@@ -259,10 +268,10 @@ __cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)
 
   __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg
 			       + CMSG_ALIGN (__cmsg->cmsg_len));
-  if ((unsigned char *) (__cmsg + 1) >= ((unsigned char *) __mhdr->msg_control
-					 + __mhdr->msg_controllen)
+  if ((unsigned char *) (__cmsg + 1) > ((unsigned char *) __mhdr->msg_control
+					+ __mhdr->msg_controllen)
       || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)
-	  >= ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
+	  > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen)))
     /* No more entries.  */
     return 0;
   return __cmsg;
diff --git a/libc/sysdeps/linux/sh/bits/stab.def b/libc/sysdeps/linux/sh/bits/stab.def
index 48ea231e6..3d54774cf 100644
--- a/libc/sysdeps/linux/sh/bits/stab.def
+++ b/libc/sysdeps/linux/sh/bits/stab.def
@@ -3,19 +3,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 /* This contains contribution from Cygnus Support.  */
 
diff --git a/libc/sysdeps/linux/sh/bits/stat.h b/libc/sysdeps/linux/sh/bits/stat.h
index c175668a0..f446a91db 100644
--- a/libc/sysdeps/linux/sh/bits/stat.h
+++ b/libc/sysdeps/linux/sh/bits/stat.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1992, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1992,95,96,97,98,99,2000,2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_STAT_H
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
@@ -40,7 +40,7 @@ struct stat
 #ifndef __USE_FILE_OFFSET64
     __ino_t st_ino;			/* File serial number.	*/
 #else
-    __ino64_t st_ino;			/* File serial number.	*/
+    __ino_t __st_ino;			/* 32bit file serial number.	*/
 #endif
     __mode_t st_mode;			/* File mode.  */
     __nlink_t st_nlink;			/* Link count.  */
@@ -53,7 +53,7 @@ struct stat
 #else
     __off64_t st_size;			/* Size of file, in bytes.  */
 #endif
-    unsigned long int st_blksize;	/* Optimal block size for I/O.  */
+    __blksize_t st_blksize;		/* Optimal block size for I/O.  */
 
 #ifndef __USE_FILE_OFFSET64
     __blkcnt_t st_blocks;		/* Number 512-byte blocks allocated. */
@@ -66,25 +66,29 @@ struct stat
     unsigned long int __unused2;
     __time_t st_ctime;			/* Time of last status change.  */
     unsigned long int __unused3;
+#ifndef __USE_FILE_OFFSET64
     unsigned long int __unused4;
     unsigned long int __unused5;
+#else
+    __ino64_t st_ino;			/* File serial number.	*/
+#endif
   };
 
 #ifdef __USE_LARGEFILE64
 struct stat64
   {
     __dev_t st_dev;			/* Device.  */
-    unsigned short int __pad1;
+    unsigned int __pad1;
 
-    __ino64_t st_ino;			/* File serial number.	*/
+    __ino_t __st_ino;			/* 32bit file serial number.	*/
     __mode_t st_mode;			/* File mode.  */
     __nlink_t st_nlink;			/* Link count.  */
     __uid_t st_uid;			/* User ID of the file's owner.	*/
     __gid_t st_gid;			/* Group ID of the file's group.*/
     __dev_t st_rdev;			/* Device number, if device.  */
-    unsigned short int __pad2;
+    unsigned int __pad2;
     __off64_t st_size;			/* Size of file, in bytes.  */
-    unsigned long int st_blksize;	/* Optimal block size for I/O.  */
+    __blksize_t st_blksize;		/* Optimal block size for I/O.  */
 
     __blkcnt64_t st_blocks;		/* Number 512-byte blocks allocated. */
     __time_t st_atime;			/* Time of last access.  */
@@ -93,8 +97,7 @@ struct stat64
     unsigned long int __unused2;
     __time_t st_ctime;			/* Time of last status change.  */
     unsigned long int __unused3;
-    unsigned long int __unused4;
-    unsigned long int __unused5;
+    __ino64_t st_ino;			/* File serial number.		*/
   };
 #endif
 
@@ -112,11 +115,15 @@ struct stat64
 #define	__S_IFBLK	0060000	/* Block device.  */
 #define	__S_IFREG	0100000	/* Regular file.  */
 #define	__S_IFIFO	0010000	/* FIFO.  */
-
-/* These don't actually exist on System V, but having them doesn't hurt.  */
 #define	__S_IFLNK	0120000	/* Symbolic link.  */
 #define	__S_IFSOCK	0140000	/* Socket.  */
 
+/* POSIX.1b objects.  Note that these macros always evaluate to zero.  But
+   they do it by enforcing the correct use of the macros.  */
+#define __S_TYPEISMQ(buf)  ((buf)->st_mode - (buf)->st_mode)
+#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
+#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
+
 /* Protection bits.  */
 
 #define	__S_ISUID	04000	/* Set user ID on execution.  */
diff --git a/libc/sysdeps/linux/sh/bits/statfs.h b/libc/sysdeps/linux/sh/bits/statfs.h
index 31ae564b4..78c9bdbbc 100644
--- a/libc/sysdeps/linux/sh/bits/statfs.h
+++ b/libc/sysdeps/linux/sh/bits/statfs.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_STATFS_H
 # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
@@ -59,3 +59,6 @@ struct statfs64
     int f_spare[6];
   };
 #endif
+
+/* Tell code we have this member.  */
+#define _STATFS_F_NAMELEN
diff --git a/libc/sysdeps/linux/sh/bits/statvfs.h b/libc/sysdeps/linux/sh/bits/statvfs.h
index fc6380684..32e03f31e 100644
--- a/libc/sysdeps/linux/sh/bits/statvfs.h
+++ b/libc/sysdeps/linux/sh/bits/statvfs.h
@@ -1,26 +1,26 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2000, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_STATVFS_H
 # error "Never include <bits/statvfs.h> directly; use <sys/statvfs.h> instead."
 #endif
 
-#include <bits/types.h>  /* For __fsid_t, __fsblkcnt_t and __fsfilcnt_t.  */
+#include <bits/types.h>  /* For __fsblkcnt_t and __fsfilcnt_t.  */
 
 struct statvfs
   {
@@ -41,11 +41,13 @@ struct statvfs
     __fsfilcnt64_t f_ffree;
     __fsfilcnt64_t f_favail;
 #endif
-    __fsid_t f_fsid;
+    unsigned long int f_fsid;
+    int __f_unused;
     unsigned long int f_flag;
     unsigned long int f_namemax;
-    int f_spare[6];
+    int __f_spare[6];
   };
+#define _STATVFSBUF_F_UNUSED
 
 #ifdef __USE_LARGEFILE64
 struct statvfs64
@@ -58,10 +60,11 @@ struct statvfs64
     __fsfilcnt64_t f_files;
     __fsfilcnt64_t f_ffree;
     __fsfilcnt64_t f_favail;
-    __fsid_t f_fsid;
+    unsigned long int f_fsid;
+    int __f_unused;
     unsigned long int f_flag;
     unsigned long int f_namemax;
-    int f_spare[6];
+    int __f_spare[6];
   };
 #endif
 
@@ -73,22 +76,24 @@ enum
 #define ST_RDONLY	ST_RDONLY
   ST_NOSUID = 2,		/* Ignore suid and sgid bits.  */
 #define ST_NOSUID	ST_NOSUID
+#ifdef __USE_GNU
   ST_NODEV = 4,			/* Disallow access to device special files.  */
-#define ST_NODEV	ST_NODEV
+# define ST_NODEV	ST_NODEV
   ST_NOEXEC = 8,		/* Disallow program execution.  */
-#define ST_NOEXEC	ST_NOEXEC
+# define ST_NOEXEC	ST_NOEXEC
   ST_SYNCHRONOUS = 16,		/* Writes are synced at once.  */
-#define ST_SYNCHRONOUS	ST_SYNCHRONOUS
+# define ST_SYNCHRONOUS	ST_SYNCHRONOUS
   ST_MANDLOCK = 64,		/* Allow mandatory locks on an FS.  */
-#define ST_MANDLOCK	ST_MANDLOCK
+# define ST_MANDLOCK	ST_MANDLOCK
   ST_WRITE = 128,		/* Write on file/directory/symlink.  */
-#define ST_WRITE	ST_WRITE
+# define ST_WRITE	ST_WRITE
   ST_APPEND = 256,		/* Append-only file.  */
-#define ST_APPEND	ST_APPEND
+# define ST_APPEND	ST_APPEND
   ST_IMMUTABLE = 512,		/* Immutable file.  */
-#define ST_IMMUTABLE	ST_IMMUTABLE
+# define ST_IMMUTABLE	ST_IMMUTABLE
   ST_NOATIME = 1024,		/* Do not update access times.  */
-#define ST_NOATIME	ST_NOATIME
+# define ST_NOATIME	ST_NOATIME
   ST_NODIRATIME			/* Do not update directory access times.  */
-#define ST_NODIRATIME	ST_NODIRATIME
+# define ST_NODIRATIME	ST_NODIRATIME
+#endif	/* Use GNU.  */
 };
diff --git a/libc/sysdeps/linux/sh/bits/stdio-lock.h b/libc/sysdeps/linux/sh/bits/stdio-lock.h
index edc69f6cf..a1893c8bd 100644
--- a/libc/sysdeps/linux/sh/bits/stdio-lock.h
+++ b/libc/sysdeps/linux/sh/bits/stdio-lock.h
@@ -1,5 +1,5 @@
 /* Thread package specific definitions of stream lock type.
-   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 2000, 2001 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
@@ -26,7 +26,18 @@ typedef pthread_mutex_t _IO_lock_t;
 
 
 #define _IO_cleanup_region_start(_fct, _fp) \
-     __libc_cleanup_region_start (_fct, _fp)
+  { struct _pthread_cleanup_buffer _buffer;				      \
+    int _avail = (((_fp)->_flags & _IO_USER_LOCK) == 0			      \
+		  && _pthread_cleanup_push_defer != NULL);		      \
+    if (_avail) {							      \
+      _pthread_cleanup_push_defer (&_buffer, (_fct), (_fp));		      \
+    }
+#define _IO_cleanup_region_start_noarg(_fct) \
+  { struct _pthread_cleanup_buffer _buffer;				      \
+    int _avail = _pthread_cleanup_push_defer != NULL;			      \
+    if (_avail) {							      \
+      _pthread_cleanup_push_defer (&_buffer, (_fct), NULL);		      \
+    }
 #define _IO_cleanup_region_end(_doit) \
      __libc_cleanup_region_end (_doit)
 #define _IO_lock_init(_name) \
diff --git a/libc/sysdeps/linux/sh/bits/stdio.h b/libc/sysdeps/linux/sh/bits/stdio.h
index c58643461..118118adc 100644
--- a/libc/sysdeps/linux/sh/bits/stdio.h
+++ b/libc/sysdeps/linux/sh/bits/stdio.h
@@ -1,20 +1,21 @@
 /* Optimizing macros and inline functions for stdio functions.
-   Copyright (C) 198 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2000, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _STDIO_H
 # error "Never include <bits/stdio.h> directly; use <stdio.h> instead."
@@ -30,14 +31,14 @@
 #ifdef __USE_EXTERN_INLINES
 /* Write formatted output to stdout from argument list ARG.  */
 __STDIO_INLINE int
-vprintf (__const char *__restrict __fmt, _G_va_list __arg)
+vprintf (__const char *__restrict __fmt, _G_va_list __arg) __THROW
 {
   return vfprintf (stdout, __fmt, __arg);
 }
 
 /* Read a character from stdin.  */
 __STDIO_INLINE int
-getchar (void)
+getchar (void) __THROW
 {
   return _IO_getc (stdin);
 }
@@ -46,14 +47,14 @@ getchar (void)
 # if defined __USE_POSIX || defined __USE_MISC
 /* This is defined in POSIX.1:1996.  */
 __STDIO_INLINE int
-getc_unlocked (FILE *__fp)
+getc_unlocked (FILE *__fp) __THROW
 {
   return _IO_getc_unlocked (__fp);
 }
 
 /* This is defined in POSIX.1:1996.  */
 __STDIO_INLINE int
-getchar_unlocked (void)
+getchar_unlocked (void) __THROW
 {
   return _IO_getc_unlocked (stdin);
 }
@@ -62,7 +63,7 @@ getchar_unlocked (void)
 
 /* Write a character to stdout.  */
 __STDIO_INLINE int
-putchar (int __c)
+putchar (int __c) __THROW
 {
   return _IO_putc (__c, stdout);
 }
@@ -71,7 +72,7 @@ putchar (int __c)
 # ifdef __USE_MISC
 /* Faster version when locking is not necessary.  */
 __STDIO_INLINE int
-fputc_unlocked (int __c, FILE *__stream)
+fputc_unlocked (int __c, FILE *__stream) __THROW
 {
   return _IO_putc_unlocked (__c, __stream);
 }
@@ -81,14 +82,14 @@ fputc_unlocked (int __c, FILE *__stream)
 # if defined __USE_POSIX || defined __USE_MISC
 /* This is defined in POSIX.1:1996.  */
 __STDIO_INLINE int
-putc_unlocked (int __c, FILE *__stream)
+putc_unlocked (int __c, FILE *__stream) __THROW
 {
   return _IO_putc_unlocked (__c, __stream);
 }
 
 /* This is defined in POSIX.1:1996.  */
 __STDIO_INLINE int
-putchar_unlocked (int __c)
+putchar_unlocked (int __c) __THROW
 {
   return _IO_putc_unlocked (__c, stdout);
 }
@@ -98,7 +99,7 @@ putchar_unlocked (int __c)
 # ifdef	__USE_GNU
 /* Like `getdelim', but reads up to a newline.  */
 __STDIO_INLINE _IO_ssize_t
-getline (char **__lineptr, size_t *__n, FILE *__stream)
+getline (char **__lineptr, size_t *__n, FILE *__stream) __THROW
 {
   return __getdelim (__lineptr, __n, '\n', __stream);
 }
@@ -108,14 +109,14 @@ getline (char **__lineptr, size_t *__n, FILE *__stream)
 # ifdef __USE_MISC
 /* Faster versions when locking is not required.  */
 __STDIO_INLINE int
-feof_unlocked (FILE *__stream)
+feof_unlocked (FILE *__stream) __THROW
 {
   return _IO_feof_unlocked (__stream);
 }
 
 /* Faster versions when locking is not required.  */
 __STDIO_INLINE int
-ferror_unlocked (FILE *__stream)
+ferror_unlocked (FILE *__stream) __THROW
 {
   return _IO_ferror_unlocked (__stream);
 }
diff --git a/libc/sysdeps/linux/sh/bits/stdio_lim.h b/libc/sysdeps/linux/sh/bits/stdio_lim.h
index 9787b4358..c35ee601b 100644
--- a/libc/sysdeps/linux/sh/bits/stdio_lim.h
+++ b/libc/sysdeps/linux/sh/bits/stdio_lim.h
@@ -1,29 +1,29 @@
-/* Copyright (C) 1994, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1994, 1997, 1998, 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
-#if !defined _STDIO_H && !defined __need_FOPEN_MAX
+#if !defined _STDIO_H && !defined __need_FOPEN_MAX && !defined __need_IOV_MAX
 # error "Never include <bits/stdio_lim.h> directly; use <stdio.h> instead."
 #endif
 
 #ifdef _STDIO_H
 # define L_tmpnam 20
 # define TMP_MAX 238328
-# define FILENAME_MAX 255
+# define FILENAME_MAX 4095
 
 # ifdef __USE_POSIX
 #  define L_ctermid 9
@@ -33,5 +33,9 @@
 
 #if defined __need_FOPEN_MAX || defined _STDIO_H
 # undef  FOPEN_MAX
-# define FOPEN_MAX 256 
+# define FOPEN_MAX 16
+#endif
+
+#if defined __need_IOV_MAX && !defined IOV_MAX
+# define IOV_MAX 1024
 #endif
diff --git a/libc/sysdeps/linux/sh/bits/string.h b/libc/sysdeps/linux/sh/bits/string.h
index 0025aa666..ad68b038b 100644
--- a/libc/sysdeps/linux/sh/bits/string.h
+++ b/libc/sysdeps/linux/sh/bits/string.h
@@ -1,22 +1,12 @@
-/* SH specific definitions for string functions.
-   Copyright (C) 2000 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
+/* This file should provide inline versions of string functions.
 
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   Surround GCC-specific parts with #ifdef __GNUC__, and use `extern __inline'.
 
-   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
-   Library General Public License for more details.
+   This file should define __STRING_INLINES if functions are actually defined
+   as inlines.  */
 
-   You should have received a copy of the GNU Library 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.  */
+#ifndef _BITS_STRING_H
+#define _BITS_STRING_H	1
 
-#define _HAVE_STRING_ARCH_strcpy 1
-#define _HAVE_STRING_ARCH_stpcpy 1
-#define _HAVE_STRING_ARCH_mempcpy 1
+
+#endif /* bits/string.h */
diff --git a/libc/sysdeps/linux/sh/bits/string2.h b/libc/sysdeps/linux/sh/bits/string2.h
index 9399f35a4..213ab2e51 100644
--- a/libc/sysdeps/linux/sh/bits/string2.h
+++ b/libc/sysdeps/linux/sh/bits/string2.h
@@ -1,28 +1,28 @@
 /* Machine-independant string function optimizations.
-   Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _STRING_H
 # error "Never use <bits/string2.h> directly; include <string.h> instead."
 #endif
 
-#ifndef __NO_STRING_INLINES
+#if !defined __NO_STRING_INLINES && !defined __BOUNDED_POINTERS__
 
 /* Unlike the definitions in the header <bits/string.h> the
    definitions contained here are not optimized down to assembler
@@ -186,8 +186,7 @@ __STRING2_COPY_TYPE (8);
 
 /* GCC optimizes memset(s, 0, n) but not bzero(s, n).
    The optimization is broken before EGCS 1.1.  */
-# if defined __GNUC__ \
-     && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 90))
+# if __GNUC_PREREQ (2, 91)
 #  define __bzero(s, n) __builtin_memset (s, '\0', n)
 # endif
 
@@ -209,8 +208,8 @@ __STRING2_COPY_TYPE (8);
 
 #  if _STRING_ARCH_unaligned
 #   define __mempcpy_args(src) \
-     ((char *) (src))[0], ((char *) (src))[2], ((char *) (src))[4],	      \
-     ((char *) (src))[6],						      \
+     ((__const char *) (src))[0], ((__const char *) (src))[2],		      \
+     ((__const char *) (src))[4], ((__const char *) (src))[6],		      \
      __extension__ __STRING2_SMALL_GET16 (src, 0),			      \
      __extension__ __STRING2_SMALL_GET16 (src, 4),			      \
      __extension__ __STRING2_SMALL_GET32 (src, 0),			      \
@@ -369,7 +368,7 @@ __mempcpy_small (void *__dest, char __src1,
 
 /* Return pointer to C in S.  */
 #ifndef _HAVE_STRING_ARCH_strchr
-extern __ptr_t __rawmemchr (const __ptr_t __s, int __c);
+extern void *__rawmemchr (const void *__s, int __c);
 # define strchr(s, c) \
   (__extension__ (__builtin_constant_p (c) && (c) == '\0'		      \
 		  ? (char *) __rawmemchr (s, c)				      \
@@ -699,7 +698,7 @@ __stpcpy_small (char *__dest,
 
 /* Copy no more than N characters of SRC to DEST.  */
 #ifndef _HAVE_STRING_ARCH_strncpy
-# if defined _HAVE_STRING_ARCH_memset && defined _HAVE_STRING_ARCH_mempcpy
+# if defined _USE_STRING_ARCH_memset && defined _USE_STRING_ARCH_mempcpy
 #  define strncpy(dest, src, n) \
   (__extension__ ({ char *__dest = (dest);				      \
 		    __builtin_constant_p (src) && __builtin_constant_p (n)    \
@@ -722,13 +721,14 @@ __stpcpy_small (char *__dest,
 
 /* Append no more than N characters from SRC onto DEST.  */
 #ifndef _HAVE_STRING_ARCH_strncat
-# ifdef _HAVE_STRING_ARCH_strchr
+# ifdef _USE_STRING_ARCH_strchr
 #  define strncat(dest, src, n) \
   (__extension__ ({ char *__dest = (dest);				      \
 		    __builtin_constant_p (src) && __builtin_constant_p (n)    \
 		    ? (strlen (src) < ((size_t) (n))			      \
 		       ? strcat (__dest, src)				      \
-		       : (memcpy (strchr (__dest, '\0'), src, n), __dest))    \
+		       : (*((char *) __mempcpy (strchr (__dest, '\0'),	      \
+						src, n)) = '\0', __dest))     \
 		    : strncat (dest, src, n); }))
 # else
 #  define strncat(dest, src, n) \
@@ -915,7 +915,7 @@ __strcspn_c3 (__const char *__s, char __reject1, char __reject2,
   ({ char __a0, __a1, __a2;						      \
      (__builtin_constant_p (accept) && __string2_1bptr_p (accept)	      \
       ? ((__a0 = ((__const char *) (accept))[0], __a0 == '\0')		      \
-	 ? 0								      \
+	 ? ((void) (s), 0)						      \
 	 : ((__a1 = ((__const char *) (accept))[1], __a1 == '\0')	      \
 	    ? __strspn_c1 (s, __a0)					      \
 	    : ((__a2 = ((__const char *) (accept))[2], __a2 == '\0')	      \
@@ -970,7 +970,7 @@ __strspn_c3 (__const char *__s, char __accept1, char __accept2, char __accept3)
   ({ char __a0, __a1, __a2;						      \
      (__builtin_constant_p (accept) && __string2_1bptr_p (accept)	      \
       ? ((__a0 = ((__const char  *) (accept))[0], __a0 == '\0')		      \
-	 ? NULL								      \
+	 ? ((void) (s), NULL)						      \
 	 : ((__a1 = ((__const char *) (accept))[1], __a1 == '\0')	      \
 	    ? strchr (s, __a0)						      \
 	    : ((__a2 = ((__const char *) (accept))[2], __a2 == '\0')	      \
@@ -980,10 +980,10 @@ __strspn_c3 (__const char *__s, char __accept1, char __accept2, char __accept3)
 		  : strpbrk (s, accept)))))				      \
       : strpbrk (s, accept)); })
 
-__STRING_INLINE char *__strpbrk_c2 (__const char *__s, char __accept1,
-				     char __accept2);
+__STRING_INLINE char *__strpbrk_c2 (__const char *__s, int __accept1,
+				     int __accept2);
 __STRING_INLINE char *
-__strpbrk_c2 (__const char *__s, char __accept1, char __accept2)
+__strpbrk_c2 (__const char *__s, int __accept1, int __accept2)
 {
   /* Please note that __accept1 and __accept2 never can be '\0'.  */
   while (*__s != '\0' && *__s != __accept1 && *__s != __accept2)
@@ -991,11 +991,11 @@ __strpbrk_c2 (__const char *__s, char __accept1, char __accept2)
   return *__s == '\0' ? NULL : (char *) (size_t) __s;
 }
 
-__STRING_INLINE char *__strpbrk_c3 (__const char *__s, char __accept1,
-				     char __accept2, char __accept3);
+__STRING_INLINE char *__strpbrk_c3 (__const char *__s, int __accept1,
+				     int __accept2, int __accept3);
 __STRING_INLINE char *
-__strpbrk_c3 (__const char *__s, char __accept1, char __accept2,
-	      char __accept3)
+__strpbrk_c3 (__const char *__s, int __accept1, int __accept2,
+	      int __accept3)
 {
   /* Please note that __accept1 to __accept3 never can be '\0'.  */
   while (*__s != '\0' && *__s != __accept1 && *__s != __accept2
@@ -1006,8 +1006,9 @@ __strpbrk_c3 (__const char *__s, char __accept1, char __accept2,
 #endif
 
 
-/* Find the first occurrence of NEEDLE in HAYSTACK.  */
-#ifndef _HAVE_STRING_ARCH_strstr
+/* Find the first occurrence of NEEDLE in HAYSTACK.  Newer gcc versions
+   do this itself.  */
+#if !defined _HAVE_STRING_ARCH_strstr && !__GNUC_PREREQ (2, 97)
 # define strstr(haystack, needle) \
   (__extension__ (__builtin_constant_p (needle) && __string2_1bptr_p (needle) \
 		  ? (((__const char *) (needle))[0] == '\0'		      \
@@ -1189,6 +1190,7 @@ __strsep_g (char **__s, __const char *__reject)
 
 # ifndef _HAVE_STRING_ARCH_strdup
 
+extern char *__strdup (__const char *__string) __THROW __attribute_malloc__;
 #  define __strdup(s) \
   (__extension__ (__builtin_constant_p (s) && __string2_1bptr_p (s)	      \
 		  ? (((__const char *) (s))[0] == '\0'			      \
@@ -1205,6 +1207,34 @@ __strsep_g (char **__s, __const char *__reject)
 #  endif
 # endif
 
+# ifndef _HAVE_STRING_ARCH_strndup
+
+extern char *__strndup (__const char *__string, size_t __n)
+     __THROW __attribute_malloc__;
+#  define __strndup(s, n) \
+  (__extension__ (__builtin_constant_p (s) && __string2_1bptr_p (s)	      \
+		  ? (((__const char *) (s))[0] == '\0'			      \
+		     ? (char *) calloc (1, 1)				      \
+		     : ({ size_t __len = strlen (s) + 1;		      \
+			  size_t __n = (n);				      \
+			  char *__retval;				      \
+			  if (__n < __len)				      \
+			    __len = __n;				      \
+			  __retval = (char *) malloc (__len);		      \
+			  if (__retval != NULL)				      \
+			    {						      \
+			      __retval[__len - 1] = '\0';		      \
+			      __retval = (char *) memcpy (__retval, s,	      \
+							  __len - 1);	      \
+			    }						      \
+			  __retval; }))					      \
+		  : __strndup ((s), (n))))
+
+#  ifdef __USE_GNU
+#   define strndup(s, n) __strndup ((s), (n))
+#  endif
+# endif
+
 #endif /* Use misc. or use GNU.  */
 
 #ifndef _FORCE_INLINES
diff --git a/libc/sysdeps/linux/sh/bits/stropts.h b/libc/sysdeps/linux/sh/bits/stropts.h
index ed807473c..21538c31d 100644
--- a/libc/sysdeps/linux/sh/bits/stropts.h
+++ b/libc/sysdeps/linux/sh/bits/stropts.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _BITS_STROPTS_H
 #define _BITS_STROPTS_H	1
@@ -61,7 +61,7 @@
 				   of a STREAMS pipe.  */
 #define I_RECVFD    (__SID |14) /* Non-EFT definition.  */
 #define I_SWROPT    (__SID |19) /* Set the write mode.  */
-#define I_GWRSET    (__SID |20) /* Return the current write mode setting.  */
+#define I_GWROPT    (__SID |20) /* Return the current write mode setting.  */
 #define I_LIST	    (__SID |21) /* List all the module names on the STREAM, up
 				   to and including the topmost driver name. */
 #define I_PLINK	    (__SID |22) /* Connect two STREAMs with a persistent
@@ -91,7 +91,9 @@
 #define FLUSHR		0x01	/* Flush read queues.  */
 #define FLUSHW		0x02	/* Flush write queues.  */
 #define FLUSHRW		0x03	/* Flush read and write queues.  */
-#define FLUSHBAND	0x04	/* Flush only specified band.  */
+#ifdef __USE_GNU
+# define FLUSHBAND	0x04	/* Flush only specified band.  */
+#endif
 
 /* Possible arguments for `I_SETSIG'.  */
 #define S_INPUT		0x0001	/* A message, other than a high-priority
@@ -129,13 +131,17 @@
 #define RPROTNORM	0x0010	/* Fail `read' with EBADMSG if a message
 				   containing a control part is at the front
 				   of the STREAM head read queue.  */
-#define RPROTMASK	0x001C	/* The RPROT bits */
+#ifdef __USE_GNU
+# define RPROTMASK	0x001C	/* The RPROT bits */
+#endif
 
 /* Possible mode for `I_SWROPT'.  */
 #define SNDZERO		0x001	/* Send a zero-length message downstream when a
 				   `write' of 0 bytes occurs.  */
-#define	SNDPIPE		0x002	/* Send SIGPIPE on write and putmsg if
+#ifdef __USE_GNU
+# define SNDPIPE	0x002	/* Send SIGPIPE on write and putmsg if
 				   sd_werror is set.  */
+#endif
 
 /* Arguments for `I_ATMARK'.  */
 #define ANYMARK		0x01	/* Check if the message is marked.  */
@@ -143,8 +149,10 @@
 				   on the queue.  */
 
 /* Argument for `I_UNLINK'.  */
-#define MUXID_ALL	(-1)	/* Unlink all STREAMs linked to the STREAM
+#ifdef __USE_GNU
+# define MUXID_ALL	(-1)	/* Unlink all STREAMs linked to the STREAM
 				   associated with `fildes'.  */
+#endif
 
 
 /* Macros for `getmsg', `getpmsg', `putmsg' and `putpmsg'.  */
@@ -176,14 +184,14 @@ struct strpeek
   {
     struct strbuf ctlbuf;
     struct strbuf databuf;
-    __t_uscalar_t flags;		/* UnixWare/Solaris compatibility.  */
+    t_uscalar_t flags;			/* UnixWare/Solaris compatibility.  */
   };
 
 struct strfdinsert
   {
     struct strbuf ctlbuf;
     struct strbuf databuf;
-    __t_uscalar_t flags;		/* UnixWare/Solaris compatibility.  */
+    t_uscalar_t flags;			/* UnixWare/Solaris compatibility.  */
     int fildes;
     int offset;
   };
@@ -199,9 +207,9 @@ struct strioctl
 struct strrecvfd
   {
     int fd;
-    __uid_t uid;
-    __gid_t gid;
-    char fill[8];			/* UnixWare/Solaris compatibility */
+    uid_t uid;
+    gid_t gid;
+    char __fill[8];			/* UnixWare/Solaris compatibility */
   };
 
 
diff --git a/libc/sysdeps/linux/sh/bits/syscalls.h b/libc/sysdeps/linux/sh/bits/syscalls.h
index 31db04f84..9759f0b4a 100644
--- a/libc/sysdeps/linux/sh/bits/syscalls.h
+++ b/libc/sysdeps/linux/sh/bits/syscalls.h
@@ -1,4 +1,106 @@
+/* This file is based on the asm/unistd.h kernel header file.
+ * Including asm/unistd.h is hereby officially forbidden.  
+ * Don't do it.  It is bad for you.  */ 
+
+#include <features.h>
+
+/* FIXME: perhaps sh needs separate PIC syscalls? */ 
+
+
+#define __syscall_return(type, res) \
+do { \
+	if ((unsigned long)(res) >= (unsigned long)(-125)) { \
+	/* Avoid using "res" which is declared to be in register r0; \
+	   errno might expand to a function call and clobber it.  */ \
+		int __err = -(res); \
+		errno = __err; \
+		res = -1; \
+	} \
+	return (type) (res); \
+} while (0)
+
+/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+register long __sc0 __asm__ ("r3") = __NR_##name; \
+__asm__ __volatile__ ("trapa	#0x10" \
+	: "=z" (__sc0) \
+	: "0" (__sc0) \
+	: "memory" ); \
+__syscall_return(type,__sc0); \
+}
+
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+register long __sc0 __asm__ ("r3") = __NR_##name; \
+register long __sc4 __asm__ ("r4") = (long) arg1; \
+__asm__ __volatile__ ("trapa	#0x11" \
+	: "=z" (__sc0) \
+	: "0" (__sc0), "r" (__sc4) \
+	: "memory"); \
+__syscall_return(type,__sc0); \
+}
+
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+register long __sc0 __asm__ ("r3") = __NR_##name; \
+register long __sc4 __asm__ ("r4") = (long) arg1; \
+register long __sc5 __asm__ ("r5") = (long) arg2; \
+__asm__ __volatile__ ("trapa	#0x12" \
+	: "=z" (__sc0) \
+	: "0" (__sc0), "r" (__sc4), "r" (__sc5) \
+	: "memory"); \
+__syscall_return(type,__sc0); \
+}
+
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2,type3 arg3) \
+{ \
+register long __sc0 __asm__ ("r3") = __NR_##name; \
+register long __sc4 __asm__ ("r4") = (long) arg1; \
+register long __sc5 __asm__ ("r5") = (long) arg2; \
+register long __sc6 __asm__ ("r6") = (long) arg3; \
+__asm__ __volatile__ ("trapa	#0x13" \
+	: "=z" (__sc0) \
+	: "0" (__sc0), "r" (__sc4), "r" (__sc5), "r" (__sc6) \
+	: "memory"); \
+__syscall_return(type,__sc0); \
+}
+
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+register long __sc0 __asm__ ("r3") = __NR_##name; \
+register long __sc4 __asm__ ("r4") = (long) arg1; \
+register long __sc5 __asm__ ("r5") = (long) arg2; \
+register long __sc6 __asm__ ("r6") = (long) arg3; \
+register long __sc7 __asm__ ("r7") = (long) arg4; \
+__asm__ __volatile__ ("trapa	#0x14" \
+	: "=z" (__sc0) \
+	: "0" (__sc0), "r" (__sc4), "r" (__sc5), "r" (__sc6),  \
+	  "r" (__sc7) \
+	: "memory" ); \
+__syscall_return(type,__sc0); \
+}
+
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
+{ \
+register long __sc3 __asm__ ("r3") = __NR_##name; \
+register long __sc4 __asm__ ("r4") = (long) arg1; \
+register long __sc5 __asm__ ("r5") = (long) arg2; \
+register long __sc6 __asm__ ("r6") = (long) arg3; \
+register long __sc7 __asm__ ("r7") = (long) arg4; \
+register long __sc0 __asm__ ("r0") = (long) arg5; \
+__asm__ __volatile__ ("trapa	#0x15" \
+	: "=z" (__sc0) \
+	: "0" (__sc0), "r" (__sc4), "r" (__sc5), "r" (__sc6), "r" (__sc7),  \
+	  "r" (__sc3) \
+	: "memory" ); \
+__syscall_return(type,__sc0); \
+}
 
-/* not much needed here unless you want some special */
-#include <asm/unistd.h>
 
diff --git a/libc/sysdeps/linux/sh/bits/termios.h b/libc/sysdeps/linux/sh/bits/termios.h
index a5ba1d258..887b309ad 100644
--- a/libc/sysdeps/linux/sh/bits/termios.h
+++ b/libc/sysdeps/linux/sh/bits/termios.h
@@ -3,19 +3,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _TERMIOS_H
 # error "Never include <bits/termios.h> directly; use <termios.h> instead."
@@ -165,6 +165,7 @@ struct termios
 #define  B3000000 0010015
 #define  B3500000 0010016
 #define  B4000000 0010017
+#define __MAX_BAUD B4000000
 #ifdef __USE_MISC
 # define CIBAUD	  002003600000		/* input baud rate (not used) */
 # define CRTSCTS  020000000000		/* flow control */
diff --git a/libc/sysdeps/linux/sh/bits/time.h b/libc/sysdeps/linux/sh/bits/time.h
index 274d61677..2a6873f00 100644
--- a/libc/sysdeps/linux/sh/bits/time.h
+++ b/libc/sysdeps/linux/sh/bits/time.h
@@ -1,21 +1,21 @@
 /* System-dependent timing definitions.  Linux version.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1999, 2000, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 /*
  * Never include this file directly; use <time.h> instead.
@@ -31,18 +31,28 @@
 /* CAE XSH, Issue 4, Version 2: <time.h>
    The value of CLOCKS_PER_SEC is required to be 1 million on all
    XSI-conformant systems. */
-#  define CLOCKS_PER_SEC  1000000
+#  define CLOCKS_PER_SEC  1000000l
 
-#  ifndef __STRICT_ANSI__
+#  if !defined __STRICT_ANSI__ && !defined __USE_XOPEN2K
 /* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
    presents the real value for clock ticks per second for the system.  */
-#   define CLK_TCK 100
+#   include <bits/types.h>
+extern long int __sysconf (int);
+#   define CLK_TCK ((__clock_t) __sysconf (2))	/* 2 is _SC_CLK_TCK */
+#  endif
+
+#  ifdef __USE_POSIX199309
+/* Identifier for system-wide realtime clock.  */
+#   define CLOCK_REALTIME	0
+
+/* Flag to indicate time is absolute.  */
+#   define TIMER_ABSTIME	1
 #  endif
 
 # endif	/* bits/time.h */
 #endif
 
-#ifdef __need_timeval 
+#ifdef __need_timeval
 # undef __need_timeval
 # ifndef _STRUCT_TIMEVAL
 #  define _STRUCT_TIMEVAL	1
@@ -53,7 +63,7 @@
 struct timeval
   {
     __time_t tv_sec;		/* Seconds.  */
-    __time_t tv_usec;		/* Microseconds.  */
+    __suseconds_t tv_usec;	/* Microseconds.  */
   };
 # endif	/* struct timeval */
-#endif	/* need timeval */ 
+#endif	/* need timeval */
diff --git a/libc/sysdeps/linux/sh/bits/types.h b/libc/sysdeps/linux/sh/bits/types.h
index 2b6504d91..bdda9388a 100644
--- a/libc/sysdeps/linux/sh/bits/types.h
+++ b/libc/sysdeps/linux/sh/bits/types.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1991,92,94,95,96,97,98,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,1994-1999,2000,2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 /*
  * Never include this file directly; use <sys/types.h> instead.
@@ -81,34 +81,21 @@ typedef struct
 typedef int __daddr_t;			/* The type of a disk address.  */
 typedef char *__caddr_t;
 typedef long int __time_t;
+typedef unsigned int __useconds_t;
+typedef long int __suseconds_t;
 typedef long int __swblk_t;		/* Type of a swap block maybe?  */
 
 typedef long int __clock_t;
 
-/* One element in the file descriptor mask array.  */
-typedef unsigned long int __fd_mask;
+/* Clock ID used in clock and timer functions.  */
+typedef int __clockid_t;
 
-/* Number of descriptors that can fit in an `fd_set'.  */
-#define __FD_SETSIZE	1024
+/* Timer ID returned by `timer_create'.  */
+typedef int __timer_t;
 
-/* It's easier to assume 8-bit bytes than to get CHAR_BIT.  */
-#define __NFDBITS	(8 * sizeof (__fd_mask))
-#define	__FDELT(d)	((d) / __NFDBITS)
-#define	__FDMASK(d)	((__fd_mask) 1 << ((d) % __NFDBITS))
 
-/* fd_set for select and pselect.  */
-typedef struct
-  {
-    /* XPG4.2 requires this member name.  Otherwise avoid the name
-       from the global namespace.  */
-#ifdef __USE_XOPEN
-    __fd_mask fds_bits[__FD_SETSIZE / __NFDBITS];
-# define __FDS_BITS(set) ((set)->fds_bits)
-#else
-    __fd_mask __fds_bits[__FD_SETSIZE / __NFDBITS];
-# define __FDS_BITS(set) ((set)->__fds_bits)
-#endif
-  } __fd_set;
+/* Number of descriptors that can fit in an `fd_set'.  */
+#define __FD_SETSIZE	1024
 
 
 typedef int __key_t;
@@ -117,6 +104,9 @@ typedef int __key_t;
 typedef unsigned short int __ipc_pid_t;
 
 
+/* Type to represent block size.  */
+typedef long int __blksize_t;
+
 /* Types from the Large File Support interface.  */
 
 /* Type to count number os disk blocks.  */
@@ -132,7 +122,7 @@ typedef __u_long __fsfilcnt_t;
 typedef __u_quad_t __fsfilcnt64_t;
 
 /* Type of file serial numbers.  */
-typedef __u_long __ino64_t;
+typedef __u_quad_t __ino64_t;
 
 /* Type of file sizes and offsets.  */
 typedef __loff_t __off64_t;
@@ -144,9 +134,12 @@ typedef unsigned long int __t_uscalar_t;
 /* Duplicates info from stdint.h but this is used in unistd.h.  */
 typedef int __intptr_t;
 
+/* Duplicate info from sys/socket.h.  */
+typedef unsigned int __socklen_t;
+
 
 /* Now add the thread types.  */
-#ifdef __USE_UNIX98
+#if defined __USE_POSIX199506 || defined __USE_UNIX98
 # include <bits/pthreadtypes.h>
 #endif
 
diff --git a/libc/sysdeps/linux/sh/bits/uio.h b/libc/sysdeps/linux/sh/bits/uio.h
index 38ac17baa..84b4805fe 100644
--- a/libc/sysdeps/linux/sh/bits/uio.h
+++ b/libc/sysdeps/linux/sh/bits/uio.h
@@ -2,19 +2,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_UIO_H
 # error "Never include <bits/uio.h> directly; use <sys/uio.h> instead."
diff --git a/libc/sysdeps/linux/sh/bits/ustat.h b/libc/sysdeps/linux/sh/bits/ustat.h
index 526069a7f..aeafc22a5 100644
--- a/libc/sysdeps/linux/sh/bits/ustat.h
+++ b/libc/sysdeps/linux/sh/bits/ustat.h
@@ -2,19 +2,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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 <sys/types.h>
 
diff --git a/libc/sysdeps/linux/sh/bits/utmp.h b/libc/sysdeps/linux/sh/bits/utmp.h
index d07486e9c..2ed29bbb4 100644
--- a/libc/sysdeps/linux/sh/bits/utmp.h
+++ b/libc/sysdeps/linux/sh/bits/utmp.h
@@ -1,20 +1,21 @@
 /* The `struct utmp' type, describing entries in the utmp file.  GNU version.
    Copyright (C) 1993, 1996, 1997, 1998, 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _UTMP_H
 # error "Never include <bits/utmp.h> directly; use <utmp.h> instead."
diff --git a/libc/sysdeps/linux/sh/bits/utmpx.h b/libc/sysdeps/linux/sh/bits/utmpx.h
index 74befe59e..99735370b 100644
--- a/libc/sysdeps/linux/sh/bits/utmpx.h
+++ b/libc/sysdeps/linux/sh/bits/utmpx.h
@@ -1,20 +1,21 @@
-/* Structures and defenitions for the user accounting database.  GNU version.
-   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Structures and definitions for the user accounting database.  GNU version.
+   Copyright (C) 1997, 1998, 2000, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _UTMPX_H
 # error "Never include <bits/utmpx.h> directly; use <utmpx.h> instead."
@@ -71,7 +72,9 @@ struct utmpx
 /* Values for the `ut_type' field of a `struct utmpx'.  */
 #define EMPTY		0	/* No valid user accounting information.  */
 
-#define RUN_LVL		1	/* The system's runlevel.  */
+#ifdef __USE_GNU
+# define RUN_LVL	1	/* The system's runlevel.  */
+#endif
 #define BOOT_TIME	2	/* Time of system boot.  */
 #define NEW_TIME	3	/* Time after system clock changed.  */
 #define OLD_TIME	4	/* Time when system clock changed.  */
diff --git a/libc/sysdeps/linux/sh/bits/utsname.h b/libc/sysdeps/linux/sh/bits/utsname.h
index 8f4bf16f5..35e71e3ba 100644
--- a/libc/sysdeps/linux/sh/bits/utsname.h
+++ b/libc/sysdeps/linux/sh/bits/utsname.h
@@ -2,19 +2,19 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #ifndef _SYS_UTSNAME_H
 # error "Never include <bits/utsname.h> directly; use <sys/utsname.h> instead."
diff --git a/libc/sysdeps/linux/sh/bits/waitflags.h b/libc/sysdeps/linux/sh/bits/waitflags.h
index afc8b2229..1303c6c36 100644
--- a/libc/sysdeps/linux/sh/bits/waitflags.h
+++ b/libc/sysdeps/linux/sh/bits/waitflags.h
@@ -3,21 +3,21 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
-#ifndef _SYS_WAIT_H
+#if !defined _SYS_WAIT_H && !defined _STDLIB_H
 # error "Never include <bits/waitflags.h> directly; use <sys/wait.h> instead."
 #endif
 
diff --git a/libc/sysdeps/linux/sh/bits/waitstatus.h b/libc/sysdeps/linux/sh/bits/waitstatus.h
index 1ec55107f..982c9dbb2 100644
--- a/libc/sysdeps/linux/sh/bits/waitstatus.h
+++ b/libc/sysdeps/linux/sh/bits/waitstatus.h
@@ -1,23 +1,23 @@
 /* Definitions of status bits for `wait' et al.
-   Copyright (C) 1992, 1994, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1992, 1994, 1996, 1997, 2000 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
-#ifndef _SYS_WAIT_H
+#if !defined _SYS_WAIT_H && !defined _STDLIB_H
 # error "Never include <bits/waitstatus.h> directly; use <sys/wait.h> instead."
 #endif
 
diff --git a/libc/sysdeps/linux/sh/bits/wchar.h b/libc/sysdeps/linux/sh/bits/wchar.h
new file mode 100644
index 000000000..ef1f56363
--- /dev/null
+++ b/libc/sysdeps/linux/sh/bits/wchar.h
@@ -0,0 +1,26 @@
+/* wchar_t type related definitions.
+   Copyright (C) 2000 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.  */
+
+#ifndef _BITS_WCHAR_H
+#define _BITS_WCHAR_H	1
+
+#define __WCHAR_MIN	(-2147483647 - 1)
+#define __WCHAR_MAX	(2147483647)
+
+#endif	/* bits/wchar.h */
diff --git a/libc/sysdeps/linux/sh/bits/wordsize.h b/libc/sysdeps/linux/sh/bits/wordsize.h
index 62dad0c71..ba643b60a 100644
--- a/libc/sysdeps/linux/sh/bits/wordsize.h
+++ b/libc/sysdeps/linux/sh/bits/wordsize.h
@@ -2,18 +2,18 @@
    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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 #define __WORDSIZE	32
diff --git a/libc/sysdeps/linux/sh/bits/xopen_lim.h b/libc/sysdeps/linux/sh/bits/xopen_lim.h
index 9f22e44e2..7f3611860 100644
--- a/libc/sysdeps/linux/sh/bits/xopen_lim.h
+++ b/libc/sysdeps/linux/sh/bits/xopen_lim.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1999, 2001 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library 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.  */
+   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.  */
 
 /*
  * Never include this file directly; use <limits.h> instead.
@@ -30,7 +30,7 @@
 #ifndef _XOPEN_LIM_H
 #define _XOPEN_LIM_H	1
 
-#define __need_FOPEN_MAX
+#define __need_IOV_MAX
 #include <bits/stdio_lim.h>
 
 /* We do not provide fixed values for
@@ -51,18 +51,14 @@
    PAGE_SIZE	Size of bytes of a page.
 
    PASS_MAX	Maximum number of significant bytes in a password.
-*/
-
 
-/* Maximum number of `iovec' structures that one process has available
-   for use with `readv' or writev'.  */
-#define IOV_MAX		_XOPEN_IOV_MAX
+   We only provide a fixed limit for
 
-/* The number of streams that one process can have open at one time.  */
-#define STREAM_MAX	FOPEN_MAX
+   IOV_MAX	Maximum number of `iovec' structures that one process has
+		available for use with `readv' or writev'.
 
-/* Maximum number of bytes supported for the name of a time zone.  */
-#define TZNAME_MAX	_POSIX_TZNAME_MAX
+   if this is indeed fixed by the underlying system.
+*/
 
 
 /* Maximum number of `iovec' structures that one process has available
@@ -93,4 +89,56 @@
 /* Default process priority.  */
 #define NZERO		20
 
+
+/* Number of bits in a word of type `int'.  */
+#ifdef INT_MAX
+# if INT_MAX == 32767
+#  define WORD_BIT	16
+# else
+#  if INT_MAX == 2147483647
+#   define WORD_BIT	32
+#  else
+/* Safe assumption.  */
+#   define WORD_BIT	64
+#  endif
+# endif
+#elif defined __INT_MAX__
+# if __INT_MAX__ == 32767
+#  define WORD_BIT	16
+# else
+#  if __INT_MAX__ == 2147483647
+#   define WORD_BIT	32
+#  else
+/* Safe assumption.  */
+#   define WORD_BIT	64
+#  endif
+# endif
+#else
+# define WORD_BIT	32
+#endif
+
+/* Number of bits in a word of type `long int'.  */
+#ifdef LONG_MAX
+# if LONG_MAX == 2147483647
+#  define LONG_BIT	32
+# else
+/* Safe assumption.  */
+#  define LONG_BIT	64
+# endif
+#elif defined __LONG_MAX__
+# if __LONG_MAX__ == 2147483647
+#  define LONG_BIT	32
+# else
+/* Safe assumption.  */
+#  define LONG_BIT	64
+# endif
+#else
+# include <bits/wordsize.h>
+# if __WORDSIZE == 64
+#  define LONG_BIT	64
+# else
+#  define LONG_BIT	32
+# endif
+#endif
+
 #endif /* bits/xopen_lim.h */