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* [PATCH 1/1] MdeModulePkg/RegularExpressionDxe: Optimize the code infrastructure
@ 2020-05-09  6:34 Zhang, Shenglei
  2020-05-11  1:48 ` [edk2-devel] " Liming Gao
  0 siblings, 1 reply; 2+ messages in thread
From: Zhang, Shenglei @ 2020-05-09  6:34 UTC (permalink / raw)
  To: devel; +Cc: Jian J Wang, Hao A Wu

OnigurumaIntrinsics.c is now not used. So the implement of function
'memcpy' is now not., which causes build failure with CLANG9 and
XCODE. I remove OnigurumaIntrinsics.c and move the necessary function
implement to OnigurumaUefiPort.c/h.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
---
 .../OnigurumaIntrinsics.c                     | 48 -------------------
 .../RegularExpressionDxe/OnigurumaUefiPort.c  |  5 ++
 .../RegularExpressionDxe/OnigurumaUefiPort.h  |  1 +
 .../RegularExpressionDxe.inf                  |  1 -
 4 files changed, 6 insertions(+), 49 deletions(-)
 delete mode 100644 MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaIntrinsics.c

diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaIntrinsics.c b/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaIntrinsics.c
deleted file mode 100644
index 536c7e0f1b26..000000000000
--- a/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaIntrinsics.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/** @file
-
-  Provide intrinsics within Oniguruma
-
-  (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
-  Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
-
-  SPDX-License-Identifier: BSD-2-Clause-Patent
-**/
-
-#include <Library/BaseMemoryLib.h>
-
-//
-// 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;
-}
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaUefiPort.c b/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaUefiPort.c
index b1604b378af3..a893ac86959f 100644
--- a/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaUefiPort.c
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaUefiPort.c
@@ -86,3 +86,8 @@ void * realloc (void *ptr, size_t size)
   return NULL;
 }
 
+void * memcpy (void *dest, const void *src, unsigned int count)
+{
+  return CopyMem (dest, src, (UINTN)count);
+}
+
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaUefiPort.h b/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaUefiPort.h
index 1a0b2daf473d..dfe4498ce57f 100644
--- a/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaUefiPort.h
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/OnigurumaUefiPort.h
@@ -96,6 +96,7 @@ int EFIAPI sprintf_s (char *str, size_t sizeOfBuffer, char const *fmt, ...);
 int strlen(const char* str);
 void* malloc(size_t size);
 void* realloc(void *ptr, size_t size);
+void * memcpy (void *dest, const void *src, unsigned int count);
 
 #define exit(n) ASSERT(FALSE);
 
diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
index da63aa6eb418..84489c294279 100644
--- a/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
@@ -20,7 +20,6 @@ [Sources]
   RegularExpressionDxe.h
   OnigurumaUefiPort.h
   OnigurumaUefiPort.c
-  OnigurumaIntrinsics.c | MSFT
 
 # Wrapper header files start #
   stdio.h
-- 
2.18.0.windows.1


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2020-05-09  6:34 [PATCH 1/1] MdeModulePkg/RegularExpressionDxe: Optimize the code infrastructure Zhang, Shenglei
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