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 "machine/acle-compat.h" 31 32 #if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) 33 #define MEMCPY_FALLBACK 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 #elif defined (__ARM_ARCH_7A__) && defined (__ARM_FEATURE_UNALIGNED) && \ 40 (defined (__ARM_NEON__) || !defined (__SOFTFP__)) 41 /* Defined in aeabi_memcpy-armv7a.S */ 42 #else 43 #define MEMCPY_FALLBACK 44 #endif 45 46 #ifdef MEMCPY_FALLBACK 47 # include "../../string/memcpy.c" 48 49 void *__aeabi_memcpy4 (void *__restrict dest, const void * __restrict source, size_t n) 50 _ATTRIBUTE ((alias ("memcpy"))); 51 52 void *__aeabi_memcpy8 (void * __restrict dest, const void * __restrict source, size_t n) 53 _ATTRIBUTE ((alias ("memcpy"))); 54 55 void *__aeabi_memcpy (void * __restrict dest, const void * __restrict source, size_t n) 56 _ATTRIBUTE ((alias ("memcpy"))); 57 58 #endif 59
