contrib/llvm-project/compiler-rt/lib/builtins/arm/aeabi_memcpy.S

   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
  15 DEFINE_COMPILERRT_FUNCTION(__aeabi_memcpy)
  16 #ifdef USE_THUMB_1
  17         push    {r7, lr}
  18         bl      memcpy
  19         pop     {r7, pc}
  20 #else
  21         b       memcpy
  22 #endif
  23 END_COMPILERRT_FUNCTION(__aeabi_memcpy)
  24
  25 DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcpy4, __aeabi_memcpy)
  26 DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_memcpy8, __aeabi_memcpy)
  27
  28 NO_EXEC_STACK_DIRECTIVE
  29