[PATCH][AArch64] libgloss ftruncate() and truncate() stubs

[Marcus Shawcroft <marcus dot shawcroft at arm dot com>]

Hi,

Following on from:
https://sourceware.org/ml/newlib/2013/msg00880.html

This patch adds the equivalent aarch64 stubs for ftruncate() and truncate().

Test aarch64-none-elf. Committed.

/Marcus

libgloss:

	* aarch64/ftruncate.c: New.
	* aarch64/truncate.c: New.
	* aarch64/Makefile.in (OBJS): Add ftruncate.o and truncate.o.
	(rdimon-ftruncate.o, rdimon-truncate.o): New rule:

newlib

	* libc/include/sys/unistd.h (ftruncate, truncate): Define
	for __aarch64__.

diff --git a/libgloss/aarch64/Makefile.in b/libgloss/aarch64/Makefile.in
index 654296b..af979a6 100644
--- a/libgloss/aarch64/Makefile.in
+++ b/libgloss/aarch64/Makefile.in
@@ -73,7 +73,7 @@ OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
 	then echo ${objroot}/../binutils/objcopy ; \
 	else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
 
-OBJS = syscalls.o libcfunc.o _exit.o _kill.o
+OBJS = ftruncate.o libcfunc.o syscalls.o truncate.o _exit.o _kill.o
 CRT0		= crt0.o
 CRT0_INSTALL	= install-crt0
 
@@ -122,13 +122,19 @@ rdimon-crt0.o: crt0.S
 rdimon-_exit.o: _exit.c
 	$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $<
 
+rdimon-ftruncate.o: ftruncate.c
+	$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $<
+
 rdimon-_kill.o: _kill.c
 	$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $<
 
+rdimon-libcfunc.o: libcfunc.c
+	$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $<
+
 rdimon-syscalls.o: syscalls.c
 	$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $<
 
-rdimon-libcfunc.o: libcfunc.c
+rdimon-truncate.o: truncate.c
 	$(CC) $(CFLAGS_FOR_TARGET) $(CFLAGS) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $<
 
 $(RDIMON_BSP): $(RDIMON_OBJS)
diff --git a/libgloss/aarch64/ftruncate.c b/libgloss/aarch64/ftruncate.c
new file mode 100644
index 0000000..da46fc5
--- /dev/null
+++ b/libgloss/aarch64/ftruncate.c
@@ -0,0 +1,32 @@
+/* Copyright (c) 2013 ARM Ltd.  All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+ 3. The name of the company may not be used to endorse or promote
+    products derived from this software without specific prior written
+    permission.
+
+ THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
+
+#include <sys/types.h>
+
+int
+ftruncate (int file, off_t length)
+{
+  return -1;
+}
diff --git a/libgloss/aarch64/truncate.c b/libgloss/aarch64/truncate.c
new file mode 100644
index 0000000..d53394a
--- /dev/null
+++ b/libgloss/aarch64/truncate.c
@@ -0,0 +1,32 @@
+/* Copyright (c) 2013 ARM Ltd.  All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+ 3. The name of the company may not be used to endorse or promote
+    products derived from this software without specific prior written
+    permission.
+
+ THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
+
+#include <sys/types.h>
+
+int
+truncate (const char *path, off_t length)
+{
+  return -1;
+}
diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h
index 0667080..1312332 100644
--- a/newlib/libc/include/sys/unistd.h
+++ b/newlib/libc/include/sys/unistd.h
@@ -222,7 +222,7 @@ _READ_WRITE_RETURN_TYPE _EXFUN(_write, (int __fd, const void *__buf, size_t __nb
 int     _EXFUN(_execve, (const char *__path, char * const __argv[], char * const __envp[] ));
 #endif
 
-#if defined(__CYGWIN__) || defined(__rtems__) || defined (__arm__) || defined(__sh__) || defined(__SPU__)
+#if defined(__CYGWIN__) || defined(__rtems__) || defined(__aarch64__) || defined (__arm__) || defined(__sh__) || defined(__SPU__)
 #if !defined(__INSIDE_CYGWIN__)
 int     _EXFUN(ftruncate, (int __fd, off_t __length));
 int     _EXFUN(truncate, (const char *, off_t __length));
-- 
1.7.9.5