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/** @file
Function prototypes and defines on Memory Only PE COFF loader
Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
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.
**/
#ifndef __BASE_PE_COFF_LIB_H__
#define __BASE_PE_COFF_LIB_H__
//
// Return status codes from the PE/COFF Loader services
// BUGBUG: Find where used and see if can be replaced by RETURN_STATUS codes
//
#define IMAGE_ERROR_SUCCESS 0
#define IMAGE_ERROR_IMAGE_READ 1
#define IMAGE_ERROR_INVALID_PE_HEADER_SIGNATURE 2
#define IMAGE_ERROR_INVALID_MACHINE_TYPE 3
#define IMAGE_ERROR_INVALID_SUBSYSTEM 4
#define IMAGE_ERROR_INVALID_IMAGE_ADDRESS 5
#define IMAGE_ERROR_INVALID_IMAGE_SIZE 6
#define IMAGE_ERROR_INVALID_SECTION_ALIGNMENT 7
#define IMAGE_ERROR_SECTION_NOT_LOADED 8
#define IMAGE_ERROR_FAILED_RELOCATION 9
#define IMAGE_ERROR_FAILED_ICACHE_FLUSH 10
//
// PE/COFF Loader Read Function passed in by caller
//
typedef
RETURN_STATUS
(EFIAPI *PE_COFF_LOADER_READ_FILE) (
IN VOID *FileHandle,
IN UINTN FileOffset,
IN OUT UINTN *ReadSize,
OUT VOID *Buffer
);
//
// Context structure used while PE/COFF image is being loaded and relocated
//
typedef struct {
PHYSICAL_ADDRESS ImageAddress;
UINT64 ImageSize;
PHYSICAL_ADDRESS DestinationAddress;
PHYSICAL_ADDRESS EntryPoint;
PE_COFF_LOADER_READ_FILE ImageRead;
VOID *Handle;
VOID *FixupData;
UINT32 SectionAlignment;
UINT32 PeCoffHeaderOffset;
UINT32 DebugDirectoryEntryRva;
VOID *CodeView;
CHAR8 *PdbPointer;
UINTN SizeOfHeaders;
UINT32 ImageCodeMemoryType;
UINT32 ImageDataMemoryType;
UINT32 ImageError;
UINTN FixupDataSize;
UINT16 Machine;
UINT16 ImageType;
BOOLEAN RelocationsStripped;
BOOLEAN IsTeImage;
} PE_COFF_LOADER_IMAGE_CONTEXT;
/**
Retrieves information on a PE/COFF image
@param ImageContext The context of the image being loaded
@retval EFI_SUCCESS The information on the PE/COFF image was collected.
@retval EFI_INVALID_PARAMETER ImageContext is NULL.
@retval EFI_UNSUPPORTED The PE/COFF image is not supported.
@retval Otherwise The error status from reading the PE/COFF image using the
ImageContext->ImageRead() function
**/
RETURN_STATUS
EFIAPI
PeCoffLoaderGetImageInfo (
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
)
;
/**
Relocates a PE/COFF image in memory
@param ImageContext Contains information on the loaded image to relocate
@retval EFI_SUCCESS if the PE/COFF image was relocated
@retval EFI_LOAD_ERROR if the image is not a valid PE/COFF image
@retval EFI_UNSUPPORTED not support
**/
RETURN_STATUS
EFIAPI
PeCoffLoaderRelocateImage (
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
)
;
/**
Loads a PE/COFF image into memory
@param ImageContext Contains information on image to load into memory
@retval EFI_SUCCESS if the PE/COFF image was loaded
@retval EFI_BUFFER_TOO_SMALL if the caller did not provide a large enough buffer
@retval EFI_LOAD_ERROR if the image is a runtime driver with no relocations
@retval EFI_INVALID_PARAMETER if the image address is invalid
**/
RETURN_STATUS
EFIAPI
PeCoffLoaderLoadImage (
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
)
;
VOID *
EFIAPI
PeCoffLoaderGetPdbPointer (
IN VOID *Pe32Data
)
;
RETURN_STATUS
EFIAPI
PeCoffLoaderGetEntryPoint (
IN VOID *Pe32Data,
OUT VOID **EntryPoint,
OUT VOID **BaseOfImage
)
;
//
// These functions are used by the ARM PE/COFF relocation code and by
// the ELF to PE/COFF converter so that is why they are public
//
/**
Pass in a pointer to an ARM MOVT or MOVW immediate instruciton and
return the immediate data encoded in the instruction
@param Instruction Pointer to ARM MOVT or MOVW immediate instruction
@return Immediate address encoded in the instruction
**/
UINT16
EFIAPI
ThumbMovtImmediateAddress (
IN UINT16 *Instruction
);
/**
Update an ARM MOVT or MOVW immediate instruction immediate data.
@param Instruction Pointer to ARM MOVT or MOVW immediate instruction
@param Address New addres to patch into the instruction
**/
VOID
EFIAPI
ThumbMovtImmediatePatch (
IN OUT UINT16 *Instruction,
IN UINT16 Address
);
/**
Pass in a pointer to an ARM MOVW/MOVT instruciton pair and
return the immediate data encoded in the two` instruction
@param Instructions Pointer to ARM MOVW/MOVT insturction pair
@return Immediate address encoded in the instructions
**/
UINT32
EFIAPI
ThumbMovwMovtImmediateAddress (
IN UINT16 *Instructions
);
/**
Update an ARM MOVW/MOVT immediate instruction instruction pair.
@param Instructions Pointer to ARM MOVW/MOVT instruction pair
@param Address New addres to patch into the instructions
**/
VOID
EFIAPI
ThumbMovwMovtImmediatePatch (
IN OUT UINT16 *Instructions,
IN UINT32 Address
);
#endif
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