1 files changed, 109 insertions, 0 deletions
diff --git a/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfLibInternal.h b/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfLibInternal.h
new file mode 100644
index 0000000000..3c782807e2
--- /dev/null
+++ b/UefiPayloadPkg/PayloadLoaderPeim/ElfLib/ElfLibInternal.h
@@ -0,0 +1,109 @@
+/** @file
+  ELF library
+
+  Copyright (c) 2019 - 2021, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef EFI_LIB_INTERNAL_H_
+#define EFI_LIB_INTERNAL_H_
+
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include "ElfLib.h"
+#include "ElfCommon.h"
+#include "Elf32.h"
+#include "Elf64.h"
+
+#define ELF_NEXT_ENTRY(EntryType, Current, EntrySize) \
+              ((EntryType *) ((UINT8 *)Current + EntrySize))
+
+
+/**
+  Return the section header specified by Index.
+
+  @param ImageBase      The image base.
+  @param Index          The section index.
+
+  @return Pointer to the section header.
+**/
+Elf32_Shdr *
+GetElf32SectionByIndex (
+  IN  UINT8                 *ImageBase,
+  IN  UINT32                Index
+  );
+
+/**
+  Return the section header specified by Index.
+
+  @param ImageBase      The image base.
+  @param Index          The section index.
+
+  @return Pointer to the section header.
+**/
+Elf64_Shdr *
+GetElf64SectionByIndex (
+  IN  UINT8                 *ImageBase,
+  IN  UINT32                Index
+  );
+
+/**
+  Return the segment header specified by Index.
+
+  @param ImageBase      The image base.
+  @param Index          The segment index.
+
+  @return Pointer to the segment header.
+**/
+Elf32_Phdr *
+GetElf32SegmentByIndex (
+  IN  UINT8                 *ImageBase,
+  IN  UINT32                Index
+  );
+
+/**
+  Return the segment header specified by Index.
+
+  @param ImageBase      The image base.
+  @param Index          The segment index.
+
+  @return Pointer to the segment header.
+**/
+Elf64_Phdr *
+GetElf64SegmentByIndex (
+  IN  UINT8                 *ImageBase,
+  IN  UINT32                Index
+  );
+
+/**
+  Load ELF image which has 32-bit architecture
+
+  @param[in]  ElfCt               ELF image context pointer.
+
+  @retval EFI_SUCCESS         ELF binary is loaded successfully.
+  @retval Others              Loading ELF binary fails.
+
+**/
+EFI_STATUS
+LoadElf32Image (
+  IN    ELF_IMAGE_CONTEXT    *ElfCt
+  );
+
+/**
+  Load ELF image which has 64-bit architecture
+
+  @param[in]  ImageBase       Memory address of an image.
+  @param[out] EntryPoint      The entry point of loaded ELF image.
+
+  @retval EFI_SUCCESS         ELF binary is loaded successfully.
+  @retval Others              Loading ELF binary fails.
+
+**/
+EFI_STATUS
+LoadElf64Image (
+  IN    ELF_IMAGE_CONTEXT    *ElfCt
+  );
+
+#endif