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/** @file
The PRM PE/COFF library provides functionality to support additional PE/COFF functionality needed to use
Platform Runtime Mechanism (PRM) modules.
Copyright (c) Microsoft Corporation
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef PRM_PECOFF_LIB_H_
#define PRM_PECOFF_LIB_H_
#include <Base.h>
#include <PrmExportDescriptor.h>
#include <IndustryStandard/PeImage.h>
#include <Library/PeCoffLib.h>
/**
Gets a pointer to the export directory in a given PE/COFF image.
@param[in] ImageExportDirectory A pointer to an export directory table in a PE/COFF image.
@param[in] PeCoffLoaderImageContext A pointer to a PE_COFF_LOADER_IMAGE_CONTEXT structure that contains the
PE/COFF image context for the Image containing the PRM Module Export
Descriptor table.
@param[out] ExportDescriptor A pointer to a pointer to the PRM Module Export Descriptor table found
in the ImageExportDirectory given.
@retval EFI_SUCCESS The PRM Module Export Descriptor table was found successfully.
@retval EFI_INVALID_PARAMETER A required parameter is NULL.
@retval EFI_NOT_FOUND The PRM Module Export Descriptor table was not found in the given
ImageExportDirectory.
**/
EFI_STATUS
GetPrmModuleExportDescriptorTable (
IN EFI_IMAGE_EXPORT_DIRECTORY *ImageExportDirectory,
IN PE_COFF_LOADER_IMAGE_CONTEXT *PeCoffLoaderImageContext,
OUT PRM_MODULE_EXPORT_DESCRIPTOR_STRUCT **ExportDescriptor
);
/**
Gets a pointer to the export directory in a given PE/COFF image.
@param[in] Image A pointer to a PE32/COFF image base address that is loaded into memory
and already relocated to the memory base address. RVAs in the image given
should be valid.
@param[in] PeCoffLoaderImageContext A pointer to a PE_COFF_LOADER_IMAGE_CONTEXT structure that contains the
PE/COFF image context for the Image given.
@param[out] ImageExportDirectory A pointer to a pointer to the export directory found in the Image given.
@retval EFI_SUCCESS The export directory was found successfully.
@retval EFI_INVALID_PARAMETER A required parameter is NULL.
@retval EFI_UNSUPPORTED The PE/COFF image given is not supported as a PRM Module.
@retval EFI_NOT_FOUND The image export directory could not be found for this image.
**/
EFI_STATUS
GetExportDirectoryInPeCoffImage (
IN VOID *Image,
IN PE_COFF_LOADER_IMAGE_CONTEXT *PeCoffLoaderImageContext,
OUT EFI_IMAGE_EXPORT_DIRECTORY **ImageExportDirectory
);
/**
Returns the image major and image minor version in a given PE/COFF image.
@param[in] Image A pointer to a PE32/COFF image base address that is loaded into memory
and already relocated to the memory base address. RVAs in the image given
should be valid.
@param[in] PeCoffLoaderImageContext A pointer to a PE_COFF_LOADER_IMAGE_CONTEXT structure that contains the
PE/COFF image context for the Image given.
@param[out] ImageMajorVersion A pointer to a UINT16 buffer to hold the image major version.
@param[out] ImageMinorVersion A pointer to a UINT16 buffer to hold the image minor version.
@retval EFI_SUCCESS The image version was read successfully.
@retval EFI_INVALID_PARAMETER A required parameter is NULL.
@retval EFI_UNSUPPORTED The PE/COFF image given is not supported.
**/
EFI_STATUS
GetImageVersionInPeCoffImage (
IN VOID *Image,
IN PE_COFF_LOADER_IMAGE_CONTEXT *PeCoffLoaderImageContext,
OUT UINT16 *ImageMajorVersion,
OUT UINT16 *ImageMinorVersion
);
/**
Gets the address of an entry in an image export table by ASCII name.
@param[in] ExportName A pointer to an ASCII name string of the entry name.
@param[in] ImageBaseAddress The base address of the PE/COFF image.
@param[in] ImageExportDirectory A pointer to the export directory in the image.
@param[out] ExportPhysicalAddress A pointer that will be updated with the address of the address of the
export entry if found.
@retval EFI_SUCCESS The export entry was found successfully.
@retval EFI_INVALID_PARAMETER A required pointer argument is NULL.
@retval EFI_NOT_FOUND An entry with the given ExportName was not found.
**/
EFI_STATUS
GetExportEntryAddress (
IN CONST CHAR8 *ExportName,
IN EFI_PHYSICAL_ADDRESS ImageBaseAddress,
IN EFI_IMAGE_EXPORT_DIRECTORY *ImageExportDirectory,
OUT EFI_PHYSICAL_ADDRESS *ExportPhysicalAddress
);
#endif
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