UefiCpuPkg: Change complex DEBUG_CODE() to DEBUG_CODE_BEGIN/END()

[mirror_edk2.git] / ArmPkg / Library / CompilerIntrinsicsLib / memset.c

//------------------------------------------------------------------------------\r
//\r
// Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>\r
// Copyright (c) 2021, Arm Limited. All rights reserved.<BR>\r
//\r
// SPDX-License-Identifier: BSD-2-Clause-Patent\r
//\r
//------------------------------------------------------------------------------\r
\r
typedef __SIZE_TYPE__ size_t;\r
\r
static __attribute__((__used__))\r
void *__memset(void *s, int c, size_t n)\r
{\r
  unsigned char *d;\r
\r
  d = s;\r
\r
  while (n-- != 0) {\r
    *d++ = c;\r
  }\r
\r
  return s;\r
}\r
\r
//\r
// Other modules (such as CryptoPkg/IntrinsicLib) may provide another\r
// implementation of memset(), which may conflict with this one if this\r
// object was pulled into the link due to the definitions below. So make\r
// our memset() 'weak' to let the other implementation take precedence.\r
//\r
__attribute__((__weak__, __alias__("__memset")))\r
void *memset(void *dest, int c, size_t n);\r
\r
#ifdef __arm__\r
\r
void __aeabi_memset(void *dest, size_t n, int c)\r
{\r
  __memset(dest, c, n);\r
}\r
\r
__attribute__((__alias__("__aeabi_memset")))\r
void __aeabi_memset4(void *dest, size_t n, int c);\r
\r
__attribute__((__alias__("__aeabi_memset")))\r
void __aeabi_memset8(void *dest, size_t n, int c);\r
\r
void __aeabi_memclr(void *dest, size_t n)\r
{\r
  __memset(dest, 0, n);\r
}\r
\r
__attribute__((__alias__("__aeabi_memclr")))\r
void __aeabi_memclr4(void *dest, size_t n);\r
\r
__attribute__((__alias__("__aeabi_memclr")))\r
void __aeabi_memclr8(void *dest, size_t n);\r
\r
#endif\r