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-exception
6//
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 unified
14 .p2align 2
15DEFINE_COMPILERRT_FUNCTION(__aeabi_memcpy)
16#ifdef USE_THUMB_1
17 push {r7, lr}
18 bl memcpy
19 pop {r7, pc}
20#else
21#if defined(__ARM_FEATURE_BTI_DEFAULT)
22 bti
23#endif
24 b memcpy
25#endif
26END_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_DIRECTIVE
32
33

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source code of compiler-rt/lib/builtins/arm/aeabi_memcpy.S