* libc/machine/arm/aeabi_memmove.c: New file to support

aeabi_memmove.
	* libc/machine/arm/aeabi_memmove-soft.S: Ditto.
	* libc/machine/arm/aeabi_memmove-arm.S: Ditto.
	* libc/machine/arm/aeabi_memmove-thumb.S: Ditto.
	* libc/machine/arm/aeabi_memmove-thumb2.S: Ditto.
	* libc/machine/arm/Makefile.am: Add dependencies.
	* libc/machine/arm/Makefile.in: Regenerated.

newlib/ChangeLog

@@ -1,3 +1,14 @@
+2015-02-17  Hale Wang  <hale.wang@arm.com>
+
+	* libc/machine/arm/aeabi_memmove.c: New file to support
+	aeabi_memmove.
+	* libc/machine/arm/aeabi_memmove-soft.S: Ditto.
+	* libc/machine/arm/aeabi_memmove-arm.S: Ditto.
+	* libc/machine/arm/aeabi_memmove-thumb.S: Ditto.
+	* libc/machine/arm/aeabi_memmove-thumb2.S: Ditto.
+	* libc/machine/arm/Makefile.am: Add dependencies.
+	* libc/machine/arm/Makefile.in: Regenerated.
+
 2015-02-06  Nick Clifton  <nickc@redhat.com>
 
 	* libc/include/complex.h (cabsl): Add prototype.

newlib/libc/machine/arm/Makefile.am

@@ -49,7 +49,8 @@ endif !OPT_SIZE
 
 lib_a_SOURCES = setjmp.S access.c strcmp.S strcpy.c \
 	        $(MEMCPY_SRC) $(MEMCHR_SRC) $(STRLEN_SRC) \
-		strlen-armv7.S aeabi_memcpy.c aeabi_memcpy-armv7a.S
+		strlen-armv7.S aeabi_memcpy.c aeabi_memcpy-armv7a.S \
+		aeabi_memmove.c aeabi_memmove-soft.S
 
 lib_a_CCASFLAGS=$(AM_CCASFLAGS)
 lib_a_CFLAGS = $(AM_CFLAGS)
@@ -62,6 +63,8 @@ CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
 MEMCPY_DEP=memcpy-armv7a.S memcpy-armv7m.S
 STRCMP_DEP=strcmp-arm-tiny.S strcmp-armv4.S strcmp-armv4t.S strcmp-armv6.S \
 	strcmp-armv6m.S strcmp-armv7.S strcmp-armv7m.S
+AEABI_MEMMOVE_DEP=aeabi_memmove-thumb.S aeabi_memmove-thumb2.S \
+		aeabi_memmove-arm.S
 
 $(lpfx)memcpy.o: $(MEMCPY_DEP)
 
@@ -70,3 +73,7 @@ $(lpfx)memcpy.obj: $(MEMCPY_DEP)
 $(lpfx)strcmp.o: $(STRCMP_DEP)
 
 $(lpfx)strcmp.obj: $(STRCMP_DEP)
+
+$(lpfx)aeabi_memmove.o: $(AEABI_MEMMOVE_DEP)
+
+$(lpfx)aeabi_memmove.obj: $(AEABI_MEMMOVE_DEP)

newlib/libc/machine/arm/Makefile.in

@@ -85,7 +85,9 @@ am_lib_a_OBJECTS = lib_a-setjmp.$(OBJEXT) lib_a-access.$(OBJEXT) \
 	lib_a-strcmp.$(OBJEXT) lib_a-strcpy.$(OBJEXT) $(am__objects_1) \
 	$(am__objects_2) $(am__objects_3) lib_a-strlen-armv7.$(OBJEXT) \
 	lib_a-aeabi_memcpy.$(OBJEXT) \
-	lib_a-aeabi_memcpy-armv7a.$(OBJEXT)
+	lib_a-aeabi_memcpy-armv7a.$(OBJEXT) \
+	lib_a-aeabi_memmove.$(OBJEXT) \
+	lib_a-aeabi_memmove-soft.$(OBJEXT)
 lib_a_OBJECTS = $(am_lib_a_OBJECTS)
 DEFAULT_INCLUDES = -I.@am__isrc@
 depcomp =
@@ -232,7 +234,8 @@ noinst_LIBRARIES = lib.a
 @OPT_SIZE_TRUE@MEMCPY_OBJ = 
 lib_a_SOURCES = setjmp.S access.c strcmp.S strcpy.c \
 	        $(MEMCPY_SRC) $(MEMCHR_SRC) $(STRLEN_SRC) \
-		strlen-armv7.S aeabi_memcpy.c aeabi_memcpy-armv7a.S
+		strlen-armv7.S aeabi_memcpy.c aeabi_memcpy-armv7a.S \
+		aeabi_memmove.c aeabi_memmove-soft.S
 
 lib_a_CCASFLAGS = $(AM_CCASFLAGS)
 lib_a_CFLAGS = $(AM_CFLAGS)
@@ -244,6 +247,9 @@ MEMCPY_DEP = memcpy-armv7a.S memcpy-armv7m.S
 STRCMP_DEP = strcmp-arm-tiny.S strcmp-armv4.S strcmp-armv4t.S strcmp-armv6.S \
 	strcmp-armv6m.S strcmp-armv7.S strcmp-armv7m.S
 
+AEABI_MEMMOVE_DEP = aeabi_memmove-thumb.S aeabi_memmove-thumb2.S \
+		aeabi_memmove-arm.S
+
 all: all-am
 
 .SUFFIXES:
@@ -338,6 +344,12 @@ lib_a-aeabi_memcpy-armv7a.o: aeabi_memcpy-armv7a.S
 lib_a-aeabi_memcpy-armv7a.obj: aeabi_memcpy-armv7a.S
 	$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CCASFLAGS) $(CCASFLAGS) -c -o lib_a-aeabi_memcpy-armv7a.obj `if test -f 'aeabi_memcpy-armv7a.S'; then $(CYGPATH_W) 'aeabi_memcpy-armv7a.S'; else $(CYGPATH_W) '$(srcdir)/aeabi_memcpy-armv7a.S'; fi`
 
+lib_a-aeabi_memmove-soft.o: aeabi_memmove-soft.S
+	$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CCASFLAGS) $(CCASFLAGS) -c -o lib_a-aeabi_memmove-soft.o `test -f 'aeabi_memmove-soft.S' || echo '$(srcdir)/'`aeabi_memmove-soft.S
+
+lib_a-aeabi_memmove-soft.obj: aeabi_memmove-soft.S
+	$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CCASFLAGS) $(CCASFLAGS) -c -o lib_a-aeabi_memmove-soft.obj `if test -f 'aeabi_memmove-soft.S'; then $(CYGPATH_W) 'aeabi_memmove-soft.S'; else $(CYGPATH_W) '$(srcdir)/aeabi_memmove-soft.S'; fi`
+
 .c.o:
 	$(COMPILE) -c $<
 
@@ -368,6 +380,12 @@ lib_a-aeabi_memcpy.o: aeabi_memcpy.c
 lib_a-aeabi_memcpy.obj: aeabi_memcpy.c
 	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-aeabi_memcpy.obj `if test -f 'aeabi_memcpy.c'; then $(CYGPATH_W) 'aeabi_memcpy.c'; else $(CYGPATH_W) '$(srcdir)/aeabi_memcpy.c'; fi`
 
+lib_a-aeabi_memmove.o: aeabi_memmove.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-aeabi_memmove.o `test -f 'aeabi_memmove.c' || echo '$(srcdir)/'`aeabi_memmove.c
+
+lib_a-aeabi_memmove.obj: aeabi_memmove.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-aeabi_memmove.obj `if test -f 'aeabi_memmove.c'; then $(CYGPATH_W) 'aeabi_memmove.c'; else $(CYGPATH_W) '$(srcdir)/aeabi_memmove.c'; fi`
+
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
@@ -547,6 +565,10 @@ $(lpfx)strcmp.o: $(STRCMP_DEP)
 
 $(lpfx)strcmp.obj: $(STRCMP_DEP)
 
+$(lpfx)aeabi_memmove.o: $(AEABI_MEMMOVE_DEP)
+
+$(lpfx)aeabi_memmove.obj: $(AEABI_MEMMOVE_DEP)
+
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT:

newlib/libc/machine/arm/aeabi_memmove-arm.S

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2015 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.
+ */
+
+	.arm
+	.syntax divided
+	.global __aeabi_memmove
+	.type	__aeabi_memmove, %function
+	ASM_ALIAS __aeabi_memmove4 __aeabi_memmove
+	ASM_ALIAS __aeabi_memmove8 __aeabi_memmove
+__aeabi_memmove:
+	.cfi_startproc
+	cmp	r0, r1
+	add	r3, r1, r2
+	bhi	.L2
+.L4:
+	sub	r2, r0, #1
+	b	.L3
+.L2:
+	cmp	r0, r3
+	addcc	r1, r0, r2
+	rsbcc	r2, r3, r2
+	bcs	.L4
+.L5:
+	cmn	r3, r2
+	ldrneb	ip, [r3, #-1]!
+	strneb	ip, [r1, #-1]!
+	bne	.L5
+.L11:
+	bx	lr
+.L3:
+	cmp	r1, r3
+	ldrneb	ip, [r1], #1
+	strneb	ip, [r2, #1]!
+	bne	.L3
+.L12:
+	bx	lr
+	.cfi_endproc
+	.size __aeabi_memmove, . - __aeabi_memmove

newlib/libc/machine/arm/aeabi_memmove-soft.S

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2015 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 "arm_asm.h"
+
+.macro	ASM_ALIAS new old
+	.global	\new
+	.type	\new, %function
+#if defined (__thumb__)
+	.thumb_set	\new, \old
+#else
+	.set	\new, \old
+#endif
+.endm
+
+/* NOTE: This ifdef MUST match the one in aeabi_memmove.c.  */
+#if !defined (__SOFTFP__)
+
+# if defined (__thumb2__)
+#  include "aeabi_memmove-thumb2.S"
+# elif defined (__thumb__)
+#  include "aeabi_memmove-thumb.S"
+# else
+#  include "aeabi_memmove-arm.S"
+# endif
+
+#endif

newlib/libc/machine/arm/aeabi_memmove-thumb.S

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2015 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.
+ */
+
+	.thumb
+	.syntax unified
+	.global __aeabi_memmove
+	.type	__aeabi_memmove, %function
+	ASM_ALIAS __aeabi_memmove4 __aeabi_memmove
+	ASM_ALIAS __aeabi_memmove8 __aeabi_memmove
+__aeabi_memmove:
+	.cfi_startproc
+	push	{r4, lr}
+	cmp	r0, r1
+	bls	.L9
+	adds	r3, r1, r2
+	cmp	r0, r3
+	bcc	.L3
+.L9:
+	movs	r3, #0
+	b	.L4
+.L3:
+	subs	r3, r3, r2
+.L5:
+	subs	r2, r2, #1
+	bcc	.L10
+	ldrb	r1, [r3, r2]
+	strb	r1, [r0, r2]
+	b	.L5
+.L4:
+	cmp	r3, r2
+	beq	.L10
+	ldrb	r4, [r1, r3]
+	strb	r4, [r0, r3]
+	adds	r3, r3, #1
+	b	.L4
+.L10:
+	pop	{r4, pc}
+	.cfi_endproc
+	.size __aeabi_memmove, . - __aeabi_memmove

newlib/libc/machine/arm/aeabi_memmove-thumb2.S

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2015 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.
+ */
+
+	.thumb
+	.syntax unified
+	.global __aeabi_memmove
+	.type	__aeabi_memmove, %function
+	ASM_ALIAS __aeabi_memmove4 __aeabi_memmove
+	ASM_ALIAS __aeabi_memmove8 __aeabi_memmove
+__aeabi_memmove:
+	.cfi_startproc
+	cmp	r0, r1
+	add	r3, r1, r2
+	push	{r4, lr}
+	bhi	.L2
+.L4:
+	subs	r2, r0, #1
+	b	.L3
+.L2:
+	cmp	r0, r3
+	bcs	.L4
+	adds	r1, r0, r2
+	subs	r2, r2, r3
+.L5:
+	cmn	r3, r2
+	beq	.L12
+	ldrb	r4, [r3, #-1]!
+	strb	r4, [r1, #-1]!
+	b	.L5
+.L12:
+	pop	{r4, pc}
+.L3:
+	cmp	r1, r3
+	beq	.L13
+	ldrb	r4, [r1], #1
+	strb	r4, [r2, #1]!
+	b	.L3
+.L13:
+	pop	{r4, pc}
+	.cfi_endproc
+	.size __aeabi_memmove, . - __aeabi_memmove

newlib/libc/machine/arm/aeabi_memmove.c

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2015 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 <stddef.h>
+#include <_ansi.h>
+
+/* According to the run-time ABI for the ARM Architecture, this
+   function is allowed to corrupt only the integer core register
+   permitted to be corrupted by the [AAPCS] (r0-r3, ip, lr, and
+   CPSR).
+
+   Therefore, we can't just simply use alias to support the function
+   aeabi_memmove for the targets with FP register.  Instead, versions
+   for these specific targets are written in assembler (in
+   aeabi_memmove-soft.S).  */
+
+/* NOTE: This ifdef MUST match the one in aeabi_memmove-soft.S.  */
+#if !defined (__SOFTFP__)
+
+/* Defined in aeabi_memmove-soft.S.  */
+
+#else
+/* Support the alias for the __aeabi_memmove which may
+   assume memory alignment.  */
+void __aeabi_memmove4 (void *dest, const void *source, size_t n)
+	_ATTRIBUTE ((alias ("__aeabi_memmove")));
+
+void __aeabi_memmove8 (void *dest, const void *source, size_t n)
+	_ATTRIBUTE ((alias ("__aeabi_memmove")));
+
+/* Support the routine __aeabi_memmove.  Can't alias to memmove
+   because it's not defined in the same translation unit.  */
+void __aeabi_memmove (void *dest, const void *source, size_t n)
+{
+  extern void memmove (void *dest, const void *source, size_t n);
+  memmove (dest, source, n);
+}
+#endif