804405e7d1
1. change *.msa to *.inf, and create platform configuration files .dec&.dsc&.fdf to comply with Edk2 build process 2. using PCD mechanism to replace macro. 3. change Sec code to cowork with PI1.0 Pei Core and produce temparory memory ppi. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5380 6f19259b-4bc3-4df7-8a09-765794883524
226 lines
8.3 KiB
C
226 lines
8.3 KiB
C
/**@file
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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DxeUnixPeCoffLib.c
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Abstract:
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Wrap the Unix PE/COFF loader with the PE COFF LOADER guid structure
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to produce PeCoff library class.
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**/
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#include <PiDxe.h>
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#include <Guid/PeiPeCoffLoader.h>
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#include <Library/DebugLib.h>
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#include <Library/PeCoffLib.h>
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#include <Library/HobLib.h>
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EFI_PEI_PE_COFF_LOADER_PROTOCOL *mPeiEfiPeiPeCoffLoader;
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/**
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The constructor function gets the pointer to PeCofferLoader guid structure
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from the guid data hob.
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It will ASSERT() if the guid hob of PeCofferLoader guid structure doesn't exist.
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@param ImageHandle The firmware allocated handle for the EFI image.
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@param SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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DxeUnixPeCoffLibConstructor (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_HOB_GUID_TYPE *GuidHob;
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//
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// Find guid data hob that contains PeCoffLoader guid structure.
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//
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GuidHob = GetFirstGuidHob (&gEfiPeiPeCoffLoaderGuid);
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ASSERT (GuidHob != NULL);
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//
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// Get PeCofferLoader guid structure from guid hob data.
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//
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mPeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)(*(UINTN *)(GET_GUID_HOB_DATA (GuidHob)));
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return EFI_SUCCESS;
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}
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/**
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Retrieves information about a PE/COFF image.
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Computes the PeCoffHeaderOffset, ImageAddress, ImageSize, DestinationAddress, CodeView,
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PdbPointer, RelocationsStripped, SectionAlignment, SizeOfHeaders, and DebugDirectoryEntryRva
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fields of the ImageContext structure. If ImageContext is NULL, then return RETURN_INVALID_PARAMETER.
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If the PE/COFF image accessed through the ImageRead service in the ImageContext structure is not
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a supported PE/COFF image type, then return RETURN_UNSUPPORTED. If any errors occur while
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computing the fields of ImageContext, then the error status is returned in the ImageError field of
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ImageContext.
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@param ImageContext Pointer to the image context structure that describes the PE/COFF
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image that needs to be examined by this function.
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@retval RETURN_SUCCESS The information on the PE/COFF image was collected.
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@retval RETURN_INVALID_PARAMETER ImageContext is NULL.
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@retval RETURN_UNSUPPORTED The PE/COFF image is not supported.
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**/
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RETURN_STATUS
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EFIAPI
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PeCoffLoaderGetImageInfo (
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IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
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)
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{
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return mPeiEfiPeiPeCoffLoader->GetImageInfo (mPeiEfiPeiPeCoffLoader, ImageContext);
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}
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/**
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Applies relocation fixups to a PE/COFF image that was loaded with PeCoffLoaderLoadImage().
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If the DestinationAddress field of ImageContext is 0, then use the ImageAddress field of
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ImageContext as the relocation base address. Otherwise, use the DestinationAddress field
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of ImageContext as the relocation base address. The caller must allocate the relocation
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fixup log buffer and fill in the FixupData field of ImageContext prior to calling this function.
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If ImageContext is NULL, then ASSERT().
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@param ImageContext Pointer to the image context structure that describes the PE/COFF
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image that is being relocated.
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@retval RETURN_SUCCESS The PE/COFF image was relocated.
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Extended status information is in the ImageError field of ImageContext.
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@retval RETURN_LOAD_ERROR The image in not a valid PE/COFF image.
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Extended status information is in the ImageError field of ImageContext.
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@retval RETURN_UNSUPPORTED A relocation record type is not supported.
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Extended status information is in the ImageError field of ImageContext.
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**/
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RETURN_STATUS
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EFIAPI
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PeCoffLoaderRelocateImage (
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IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
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)
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{
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return mPeiEfiPeiPeCoffLoader->RelocateImage (mPeiEfiPeiPeCoffLoader, ImageContext);
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}
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/**
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Loads a PE/COFF image into memory.
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Loads the PE/COFF image accessed through the ImageRead service of ImageContext into the buffer
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specified by the ImageAddress and ImageSize fields of ImageContext. The caller must allocate
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the load buffer and fill in the ImageAddress and ImageSize fields prior to calling this function.
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The EntryPoint, FixupDataSize, CodeView, and PdbPointer fields of ImageContext are computed.
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If ImageContext is NULL, then ASSERT().
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@param ImageContext Pointer to the image context structure that describes the PE/COFF
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image that is being loaded.
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@retval RETURN_SUCCESS The PE/COFF image was loaded into the buffer specified by
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the ImageAddress and ImageSize fields of ImageContext.
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Extended status information is in the ImageError field of ImageContext.
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@retval RETURN_BUFFER_TOO_SMALL The caller did not provide a large enough buffer.
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Extended status information is in the ImageError field of ImageContext.
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@retval RETURN_LOAD_ERROR The PE/COFF image is an EFI Runtime image with no relocations.
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Extended status information is in the ImageError field of ImageContext.
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@retval RETURN_INVALID_PARAMETER The image address is invalid.
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Extended status information is in the ImageError field of ImageContext.
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**/
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RETURN_STATUS
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EFIAPI
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PeCoffLoaderLoadImage (
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IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
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)
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{
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return mPeiEfiPeiPeCoffLoader->LoadImage (mPeiEfiPeiPeCoffLoader, ImageContext);
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}
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/**
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ImageRead function that operates on a memory buffer whos base is passed into
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FileHandle.
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@param FileHandle Ponter to baes of the input stream
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@param FileOffset Offset to the start of the buffer
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@param ReadSize Number of bytes to copy into the buffer
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@param Buffer Location to place results of read
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@retval RETURN_SUCCESS Data is read from FileOffset from the Handle into
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the buffer.
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**/
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RETURN_STATUS
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EFIAPI
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PeCoffLoaderImageReadFromMemory (
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IN VOID *FileHandle,
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IN UINTN FileOffset,
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IN OUT UINTN *ReadSize,
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OUT VOID *Buffer
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)
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{
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return RETURN_UNSUPPORTED;
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}
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/**
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Reapply fixups on a fixed up PE32/PE32+ image to allow virutal calling at EFI
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runtime.
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PE_COFF_LOADER_IMAGE_CONTEXT.FixupData stores information needed to reapply
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the fixups with a virtual mapping.
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@param ImageBase Base address of relocated image
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@param VirtImageBase Virtual mapping for ImageBase
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@param ImageSize Size of the image to relocate
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@param RelocationData Location to place results of read
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**/
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VOID
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EFIAPI
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PeCoffLoaderRelocateImageForRuntime (
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IN PHYSICAL_ADDRESS ImageBase,
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IN PHYSICAL_ADDRESS VirtImageBase,
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IN UINTN ImageSize,
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IN VOID *RelocationData
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)
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{
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}
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/**
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Unloads a loaded PE/COFF image from memory and releases its taken resource.
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For Unix emulator, the PE/COFF image loaded by system needs to release.
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For real platform, the PE/COFF image loaded by Core doesn't needs to be unloaded,
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this function can simply return RETURN_SUCCESS.
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@param ImageContext Pointer to the image context structure that describes the PE/COFF
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image to be unloaded.
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@retval RETURN_SUCCESS The PE/COFF image was unloaded successfully.
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**/
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RETURN_STATUS
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EFIAPI
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PeCoffLoaderUnloadImage (
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IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
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)
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{
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return mPeiEfiPeiPeCoffLoader->UnloadImage (mPeiEfiPeiPeCoffLoader, ImageContext);
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}
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