mirror of https://github.com/acidanthera/audk.git
159 lines
7.9 KiB
C
159 lines
7.9 KiB
C
/** @file
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This file defines PeCoffLoader guid for PeCoffLoader entry in the HOB list.
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It also defines PE/COFF Loader APIs in PeCoffLoader Hob entry shared between SEC, PEI and DXE
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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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**/
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#ifndef __PEI_PE_COFF_LOADER_H__
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#define __PEI_PE_COFF_LOADER_H__
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//
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// MdePkg/Include/Common/PeCoffLoaderImageContext.h
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//
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#include <Library/PeCoffLib.h>
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#define EFI_PEI_PE_COFF_LOADER_GUID \
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{ 0xd8117cff, 0x94a6, 0x11d4, {0x9a, 0x3a, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d } }
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typedef struct _EFI_PEI_PE_COFF_LOADER_PROTOCOL EFI_PEI_PE_COFF_LOADER_PROTOCOL;
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/**
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Retrieves information about a PE/COFF image.
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Computes the PeCoffHeaderOffset, IsTeImage, ImageType, ImageAddress, ImageSize,
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DestinationAddress, RelocationsStripped, SectionAlignment, SizeOfHeaders, and
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DebugDirectoryEntryRva fields of the ImageContext structure.
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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
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structure is not a supported PE/COFF image type, then return RETURN_UNSUPPORTED.
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If any errors occur while computing the fields of ImageContext,
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then the error status is returned in the ImageError field of ImageContext.
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If the image is a TE image, then SectionAlignment is set to 0.
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The ImageRead and Handle fields of ImageContext structure must be valid prior
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to invoking this service.
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@param This Pointer to the EFI_PEI_PE_COFF_LOADER_PROTOCOL instance.
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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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typedef
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RETURN_STATUS
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(EFIAPI *EFI_PEI_PE_COFF_LOADER_GET_IMAGE_INFO)(
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IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This,
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IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *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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The ImageRead, Handle, PeCoffHeaderOffset, IsTeImage, Machine, ImageType, ImageAddress, ImageSize,
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DestinationAddress, RelocationsStripped, SectionAlignment, SizeOfHeaders, and DebugDirectoryEntryRva
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fields of the ImageContext structure must be valid prior to invoking this service.
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@param This Pointer to the EFI_PEI_PE_COFF_LOADER_PROTOCOL instance.
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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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typedef
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RETURN_STATUS
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(EFIAPI *EFI_PEI_PE_COFF_LOADER_LOAD_IMAGE)(
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IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This,
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IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *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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The ImageRead, Handle, PeCoffHeaderOffset, IsTeImage, Machine, ImageType, ImageAddress,
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ImageSize, DestinationAddress, RelocationsStripped, SectionAlignment, SizeOfHeaders,
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DebugDirectoryEntryRva, EntryPoint, FixupDataSize, CodeView, PdbPointer, and FixupData of
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the ImageContext structure must be valid prior to invoking this service.
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If ImageContext is NULL, then ASSERT().
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@param This Pointer to the EFI_PEI_PE_COFF_LOADER_PROTOCOL instance.
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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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typedef
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RETURN_STATUS
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(EFIAPI *EFI_PEI_PE_COFF_LOADER_RELOCATE_IMAGE)(
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IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This,
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IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
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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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Releases any environment specific resources that were allocated when the image
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specified by ImageContext was loaded using PeCoffLoaderLoadImage().
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For NT32 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 This Pointer to the EFI_PEI_PE_COFF_LOADER_PROTOCOL instance.
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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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typedef
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RETURN_STATUS
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(EFIAPI *EFI_PEI_PE_COFF_LOADER_UNLOAD_IMAGE)(
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IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This,
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IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
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);
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struct _EFI_PEI_PE_COFF_LOADER_PROTOCOL {
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EFI_PEI_PE_COFF_LOADER_GET_IMAGE_INFO GetImageInfo;
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EFI_PEI_PE_COFF_LOADER_LOAD_IMAGE LoadImage;
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EFI_PEI_PE_COFF_LOADER_RELOCATE_IMAGE RelocateImage;
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EFI_PEI_PE_COFF_LOADER_UNLOAD_IMAGE UnloadImage;
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};
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extern EFI_GUID gEfiPeiPeCoffLoaderGuid;
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#endif
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