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diff --git a/OldMdePkg/Library/BaseLib/LongJump.c b/OldMdePkg/Library/BaseLib/LongJump.c
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+++ b/OldMdePkg/Library/BaseLib/LongJump.c
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+/** @file
+  Long Jump functions.
+
+  Copyright (c) 2006, Intel Corporation
+  All rights reserved. This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+  Module Name:  LongJump.c
+
+**/
+
+#include "BaseLibInternals.h"
+
+/**
+  Restores the CPU context that was saved with SetJump().
+
+  Restores the CPU context from the buffer specified by JumpBuffer.
+  This function never returns to the caller.
+  Instead is resumes execution based on the state of JumpBuffer.
+
+  If JumpBuffer is NULL, then ASSERT().
+  For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
+  If Value is 0, then ASSERT().
+
+  @param  JumpBuffer    A pointer to CPU context buffer.
+  @param  Value         The value to return when the SetJump() context is restored.
+
+**/
+VOID
+EFIAPI
+LongJump (
+  IN      BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer,
+  IN      UINTN                     Value
+  )
+{
+  InternalAssertJumpBuffer (JumpBuffer);
+  ASSERT (Value != 0);
+
+  InternalLongJump (JumpBuffer, Value);
+}