X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FRegularExpressionDxe%2FOnigurumaIntrinsics.c;fp=MdeModulePkg%2FUniversal%2FRegularExpressionDxe%2FOnigurumaIntrinsics.c;h=536c7e0f1b26c906ee74d29a3ae7421513db34ab;hp=0000000000000000000000000000000000000000;hb=48b6c60cc6a234d971d7ca97f7cd0ca9a9499de5;hpb=a5d8a399635d86c8155a252874fbf3c0e6613d34 diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaIntrinsics.c b/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaIntrinsics.c new file mode 100644 index 0000000000..536c7e0f1b --- /dev/null +++ b/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaIntrinsics.c @@ -0,0 +1,48 @@ +/** @file + + Provide intrinsics within Oniguruma + + (C) Copyright 2015 Hewlett Packard Enterprise Development LP
+ Copyright (c) 2020, Intel Corporation. All rights reserved.
+ + SPDX-License-Identifier: BSD-2-Clause-Patent +**/ + +#include + +// +// From CryptoPkg/IntrinsicLib +// + +/* Copies bytes between buffers */ +#pragma function(memcpy) +void * memcpy (void *dest, const void *src, unsigned int count) +{ + return CopyMem (dest, src, (UINTN)count); +} + +/* Sets buffers to a specified character */ +#pragma function(memset) +void * memset (void *dest, char ch, unsigned int count) +{ + // + // NOTE: Here we use one base implementation for memset, instead of the direct + // optimized SetMem() wrapper. Because the IntrinsicLib has to be built + // without whole program optimization option, and there will be some + // potential register usage errors when calling other optimized codes. + // + + // + // Declare the local variables that actually move the data elements as + // volatile to prevent the optimizer from replacing this function with + // the intrinsic memset() + // + volatile UINT8 *Pointer; + + Pointer = (UINT8 *)dest; + while (count-- != 0) { + *(Pointer++) = ch; + } + + return dest; +}