newlib/libc/machine/arm/memcpy-stub.c

   1 /* Copyright (c) 2015 ARM Ltd.
   2    All rights reserved.
   3
   4    Redistribution and use in source and binary forms, with or without
   5    modification, are permitted provided that the following conditions are met:
   6        * Redistributions of source code must retain the above copyright
   7          notice, this list of conditions and the following disclaimer.
   8        * Redistributions in binary form must reproduce the above copyright
   9          notice, this list of conditions and the following disclaimer in the
  10          documentation and/or other materials provided with the distribution.
  11        * Neither the name of the Linaro nor the
  12          names of its contributors may be used to endorse or promote products
  13          derived from this software without specific prior written permission.
  14
  15    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18    A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
  19    HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  */
  26
  27 /* The structure of the following #if #else #endif conditional chain
  28    must match the chain in memcpy.S.  */
  29
  30 #include "arm-acle-compat.h"
  31
  32 #if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED))
  33 # include "../../string/memcpy.c"
  34 #elif (__ARM_ARCH >= 7 && __ARM_ARCH_PROFILE == 'A' \
  35        && defined (__ARM_FEATURE_UNALIGNED))
  36 /* Defined in memcpy.S.  */
  37 #elif __ARM_ARCH_ISA_THUMB == 2 && !__ARM_ARCH_ISA_ARM
  38 /* Defined in memcpy.S.  */
  39 #else
  40 # include "../../string/memcpy.c"
  41 #endif