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1//===-- aeabi_memcpy.S - EABI memcpy implementation -----------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "../assembly.h"10 11// void __aeabi_memcpy(void *dest, void *src, size_t n) { memcpy(dest, src, n); }12 13 .syntax unified14 .p2align 215DEFINE_COMPILERRT_FUNCTION(__aeabi_memcpy)16#ifdef USE_THUMB_117 push {r7, lr}18 bl memcpy19 pop {r7, pc}20#else21#if defined(__ARM_FEATURE_BTI_DEFAULT)22 bti23#endif24 b memcpy25#endif26END_COMPILERRT_FUNCTION(__aeabi_memcpy)27 28DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcpy4, __aeabi_memcpy)29DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcpy8, __aeabi_memcpy)30 31NO_EXEC_STACK_DIRECTIVE32 33