diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 95ada5031..2ddca08a8 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,14 @@
+2003-07-10  J"orn Rennecke <joern.rennecke@superh.com>
+
+	* libc/include/sys/unistd.h (ftruncate, truncate): Also declare
+	for __sh__.
+	* libc/sys/sh/Makefile.am (lib_a_SOURCES): Add ftruncate.c and
+	truncate.c.
+	* libc/sys/sh/Makefile.in: Regenerate.
+	* libc/sys/sh/sys/syscall.h: (SYS_truncate, SYS_ftruncate): Define.
+	* libc/sys/sh/ftruncate.c: New file.
+	* libc/sys/sh/truncate.c: Likewise.
+
 2003-07-09  Alexandre Oliva  <aoliva@redhat.com>
 
 	* libc/include/math.h (nan, nanf): Update prototype to C99.
diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h
index 85a2f7aae..50afeafbc 100644
--- a/newlib/libc/include/sys/unistd.h
+++ b/newlib/libc/include/sys/unistd.h
@@ -175,15 +175,17 @@ int     _EXFUN(_unlink, (const char *__path ));
 _READ_WRITE_RETURN_TYPE _EXFUN(_write, (int __fd, const void *__buf, size_t __nbyte ));
 int     _EXFUN(_execve, (const char *__path, char * const __argv[], char * const __envp[] ));
 
+#if defined(__CYGWIN__) || defined(__rtems__) || defined(__sh__)
+#if !defined(__INSIDE_CYGWIN__)
+int     _EXFUN(ftruncate, (int __fd, off_t __length));
+int     _EXFUN(truncate, (const char *, off_t __length));
+#endif
+#endif
 #if defined(__CYGWIN__) || defined(__rtems__)
 int	_EXFUN(getdtablesize, (void));
 int	_EXFUN(setdtablesize, (int));
 useconds_t _EXFUN(ualarm, (useconds_t __useconds, useconds_t __interval));
 unsigned _EXFUN(usleep, (unsigned int __useconds));
-#if !defined(__INSIDE_CYGWIN__)
-int     _EXFUN(ftruncate, (int __fd, off_t __length));
-int     _EXFUN(truncate, (const char *, off_t __length));
-#endif
 #if !(defined  (_WINSOCK_H) || defined (__USE_W32_SOCKETS))
 /* winsock[2].h defines as __stdcall, and with int as 2nd arg */
  int	_EXFUN(gethostname, (char *__name, size_t __len));
diff --git a/newlib/libc/sys/sh/Makefile.am b/newlib/libc/sys/sh/Makefile.am
index da89f1198..1fddc4cd2 100644
--- a/newlib/libc/sys/sh/Makefile.am
+++ b/newlib/libc/sys/sh/Makefile.am
@@ -6,7 +6,7 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 
 noinst_LIBRARIES = lib.a
 
-lib_a_SOURCES = syscalls.c trap.S creat.c
+lib_a_SOURCES = syscalls.c trap.S creat.c ftruncate.c truncate.c
 
 all: crt0.o
 
diff --git a/newlib/libc/sys/sh/Makefile.in b/newlib/libc/sys/sh/Makefile.in
index 734438b4e..29a0b7a26 100644
--- a/newlib/libc/sys/sh/Makefile.in
+++ b/newlib/libc/sys/sh/Makefile.in
@@ -1,6 +1,6 @@
-# Makefile.in generated automatically by automake 1.4 from Makefile.am
+# Makefile.in generated automatically by automake 1.4-p5 from Makefile.am
 
-# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -89,7 +89,7 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 
 noinst_LIBRARIES = lib.a
 
-lib_a_SOURCES = syscalls.c trap.S creat.c
+lib_a_SOURCES = syscalls.c trap.S creat.c ftruncate.c truncate.c
 
 ACLOCAL_AMFLAGS = -I ../../..
 CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
@@ -103,7 +103,7 @@ DEFS = @DEFS@ -I. -I$(srcdir)
 CPPFLAGS = @CPPFLAGS@
 LIBS = @LIBS@
 lib_a_LIBADD = 
-lib_a_OBJECTS =  syscalls.o trap.o creat.o
+lib_a_OBJECTS =  syscalls.o trap.o creat.o ftruncate.o truncate.o
 CFLAGS = @CFLAGS@
 COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 CCLD = $(CC)
diff --git a/newlib/libc/sys/sh/ftruncate.c b/newlib/libc/sys/sh/ftruncate.c
new file mode 100644
index 000000000..660377bf3
--- /dev/null
+++ b/newlib/libc/sys/sh/ftruncate.c
@@ -0,0 +1,9 @@
+#include <_ansi.h>
+#include <sys/types.h>
+#include "sys/syscall.h"
+
+int
+ftruncate (int file, off_t length)
+{
+  return __trap34 (SYS_ftruncate, file, length, 0);
+}
diff --git a/newlib/libc/sys/sh/sys/syscall.h b/newlib/libc/sys/sh/sys/syscall.h
index fd9ee7c51..9ab32e7b7 100644
--- a/newlib/libc/sys/sh/sys/syscall.h
+++ b/newlib/libc/sys/sh/sys/syscall.h
@@ -27,6 +27,9 @@
 #define	SYS_pipe	42
 #define	SYS_execve	59
 
+#define SYS_truncate	129
+#define SYS_ftruncate	130
+
 #define SYS_argc	172 /* == 0xAC, for Argument Count :-) */
 #define SYS_argnlen	173
 #define SYS_argn	174
diff --git a/newlib/libc/sys/sh/truncate.c b/newlib/libc/sys/sh/truncate.c
new file mode 100644
index 000000000..5ca48d3c6
--- /dev/null
+++ b/newlib/libc/sys/sh/truncate.c
@@ -0,0 +1,9 @@
+#include <_ansi.h>
+#include <sys/types.h>
+#include "sys/syscall.h"
+
+int
+truncate (const char *path, off_t length)
+{
+  return __trap34 (SYS_truncate, path, length, 0);
+}