mirror of https://github.com/acidanthera/audk.git
306 lines
13 KiB
C
306 lines
13 KiB
C
/** @file
|
|
Provides services to load and relocate a PE/COFF image.
|
|
|
|
Copyright (c) 2006 - 2007, Intel Corporation
|
|
All rights reserved. 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__
|
|
|
|
#include <IndustryStandard/PeImage.h>
|
|
//
|
|
// Return status codes from the PE/COFF Loader services
|
|
//
|
|
#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 {
|
|
///
|
|
/// Is set by PeCoffLoaderGetImageInfo() to the ImageBase in the PE/COFF header
|
|
///
|
|
PHYSICAL_ADDRESS ImageAddress;
|
|
///
|
|
/// Is set by PeCoffLoaderGetImageInfo() to the SizeOfImage in the PE/COFF header.
|
|
/// Image size includes the size of Debug Entry if it is present.
|
|
///
|
|
UINT64 ImageSize;
|
|
///
|
|
/// Is set to zero by PeCoffLoaderGetImageInfo(). If DestinationAddress is non zero,
|
|
/// PeCoffLoaderRelocateImage() will relocate the image using this base address.
|
|
/// If the DestinationAddress is zero, the ImageAddress will be used as the base
|
|
/// address of relocation.
|
|
///
|
|
PHYSICAL_ADDRESS DestinationAddress;
|
|
///
|
|
/// PeCoffLoaderLoadImage() sets EntryPoint to to the entry point of the PE/COFF image.
|
|
///
|
|
PHYSICAL_ADDRESS EntryPoint;
|
|
///
|
|
/// Passed in by the caller to PeCoffLoaderGetImageInfo() and PeCoffLoaderLoadImage()
|
|
/// to abstract accessing the image from the library.
|
|
///
|
|
PE_COFF_LOADER_READ_FILE ImageRead;
|
|
///
|
|
/// Used as the FileHandle passed into the ImageRead function when it's called.
|
|
///
|
|
VOID *Handle;
|
|
///
|
|
/// Caller allocated buffer of size FixupDataSize that can be optionally allocated
|
|
/// prior to calling PeCoffLoaderRelocateImage().
|
|
/// This buffer is filled with the information used to fix up the image.
|
|
/// The fixups have been applied to the image and this entry is just for information.
|
|
///
|
|
VOID *FixupData;
|
|
///
|
|
/// Is set by PeCoffLoaderGetImageInfo() to the Section Alignment in the PE/COFF header
|
|
/// If the image is a TE image, then this field is set to 0.
|
|
///
|
|
UINT32 SectionAlignment;
|
|
///
|
|
/// Set by PeCoffLoaderGetImageInfo() to offset to the PE/COFF header.
|
|
/// If the PE/COFF image does not start with a DOS header, this value is zero;
|
|
/// otherwise, it's the offset to the PE/COFF header.
|
|
///
|
|
UINT32 PeCoffHeaderOffset;
|
|
///
|
|
/// Set by PeCoffLoaderGetImageInfo() to the Relative Virtual Address of the debug directory
|
|
/// if it exists in the image
|
|
///
|
|
UINT32 DebugDirectoryEntryRva;
|
|
///
|
|
/// Set by PeCoffLoaderLoadImage() to CodeView area of the PE/COFF Debug directory.
|
|
///
|
|
VOID *CodeView;
|
|
///
|
|
/// Set by PeCoffLoaderLoadImage() to point to the PDB entry contained in the CodeView area.
|
|
/// The PdbPointer points to the filename of the PDB file used for source-level debug of
|
|
/// the image by a debugger.
|
|
///
|
|
CHAR8 *PdbPointer;
|
|
///
|
|
/// Is set by PeCoffLoaderGetImageInfo() to the Section Alignment in the PE/COFF header.
|
|
///
|
|
UINTN SizeOfHeaders;
|
|
///
|
|
/// Not used by this library class. Other library classes that layer on top of this library
|
|
/// class fill in this value as part of their GetImageInfo call.
|
|
/// This allows the caller of the library to know what type of memory needs to be allocated
|
|
/// to load and relocate the image.
|
|
///
|
|
UINT32 ImageCodeMemoryType;
|
|
///
|
|
/// Not used by this library class. Other library classes that layer on top of this library
|
|
/// class fill in this value as part of their GetImageInfo call.
|
|
/// This allows the caller of the library to know what type of memory needs to be allocated
|
|
/// to load and relocate the image
|
|
///
|
|
UINT32 ImageDataMemoryType;
|
|
///
|
|
/// Set by any of the library functions if they encounter an error.
|
|
///
|
|
UINT32 ImageError;
|
|
///
|
|
/// Set by PeCoffLoaderLoadImage() to indicate the size of FixupData that the caller must
|
|
/// allocate before calling PeCoffLoaderRelocateImage()
|
|
///
|
|
UINTN FixupDataSize;
|
|
///
|
|
/// Set by PeCoffLoaderGetImageInfo() to the machine type stored in the PE/COFF header
|
|
///
|
|
UINT16 Machine;
|
|
///
|
|
/// Set by PeCoffLoaderGetImageInfo() to the subsystem type stored in the PE/COFF header.
|
|
///
|
|
UINT16 ImageType;
|
|
///
|
|
/// Set by PeCoffLoaderGetImageInfo() to TRUE if the PE/COFF image does not contain
|
|
/// relocation information.
|
|
///
|
|
BOOLEAN RelocationsStripped;
|
|
///
|
|
/// Set by PeCoffLoaderGetImageInfo() to TRUE if the image is a TE image.
|
|
/// For a definition of the TE Image format, see the Platform Initialization Pre-EFI
|
|
/// Initialization Core Interface Specification.
|
|
///
|
|
BOOLEAN IsTeImage;
|
|
} PE_COFF_LOADER_IMAGE_CONTEXT;
|
|
|
|
/**
|
|
Retrieves information about a PE/COFF image.
|
|
|
|
Computes the PeCoffHeaderOffset, IsTeImage, ImageType, ImageAddress, ImageSize,
|
|
DestinationAddress, RelocationsStripped, SectionAlignment, SizeOfHeaders, and
|
|
DebugDirectoryEntryRva fields of the ImageContext structure.
|
|
If ImageContext is NULL, then return RETURN_INVALID_PARAMETER.
|
|
If the PE/COFF image accessed through the ImageRead service in the ImageContext
|
|
structure is not a supported PE/COFF image type, then return RETURN_UNSUPPORTED.
|
|
If any errors occur while computing the fields of ImageContext,
|
|
then the error status is returned in the ImageError field of ImageContext.
|
|
If the image is a TE image, then SectionAlignment is set to 0.
|
|
|
|
@param ImageContext Pointer to the image context structure that describes the PE/COFF
|
|
image that needs to be examined by this function.
|
|
|
|
@retval RETURN_SUCCESS The information on the PE/COFF image was collected.
|
|
@retval RETURN_INVALID_PARAMETER ImageContext is NULL.
|
|
@retval RETURN_UNSUPPORTED The PE/COFF image is not supported.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
PeCoffLoaderGetImageInfo (
|
|
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
|
|
);
|
|
|
|
/**
|
|
Applies relocation fixups to a PE/COFF image that was loaded with PeCoffLoaderLoadImage().
|
|
|
|
If the DestinationAddress field of ImageContext is 0, then use the ImageAddress field of
|
|
ImageContext as the relocation base address. Otherwise, use the DestinationAddress field
|
|
of ImageContext as the relocation base address. The caller must allocate the relocation
|
|
fixup log buffer and fill in the FixupData field of ImageContext prior to calling this function.
|
|
If ImageContext is NULL, then ASSERT().
|
|
|
|
@param ImageContext Pointer to the image context structure that describes the PE/COFF
|
|
image that is being relocated.
|
|
|
|
@retval RETURN_SUCCESS The PE/COFF image was relocated.
|
|
Extended status information is in the ImageError field of ImageContext.
|
|
@retval RETURN_LOAD_ERROR The image in not a valid PE/COFF image.
|
|
Extended status information is in the ImageError field of ImageContext.
|
|
@retval RETURN_UNSUPPORTED A relocation record type is not supported.
|
|
Extended status information is in the ImageError field of ImageContext.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
PeCoffLoaderRelocateImage (
|
|
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
|
|
);
|
|
|
|
/**
|
|
Loads a PE/COFF image into memory.
|
|
|
|
Loads the PE/COFF image accessed through the ImageRead service of ImageContext into the buffer
|
|
specified by the ImageAddress and ImageSize fields of ImageContext. The caller must allocate
|
|
the load buffer and fill in the ImageAddress and ImageSize fields prior to calling this function.
|
|
The EntryPoint, FixupDataSize, CodeView, and PdbPointer fields of ImageContext are computed.
|
|
If ImageContext is NULL, then ASSERT().
|
|
|
|
@param ImageContext Pointer to the image context structure that describes the PE/COFF
|
|
image that is being loaded.
|
|
|
|
@retval RETURN_SUCCESS The PE/COFF image was loaded into the buffer specified by
|
|
the ImageAddress and ImageSize fields of ImageContext.
|
|
Extended status information is in the ImageError field of ImageContext.
|
|
@retval RETURN_BUFFER_TOO_SMALL The caller did not provide a large enough buffer.
|
|
Extended status information is in the ImageError field of ImageContext.
|
|
@retval RETURN_LOAD_ERROR The PE/COFF image is an EFI Runtime image with no relocations.
|
|
Extended status information is in the ImageError field of ImageContext.
|
|
@retval RETURN_INVALID_PARAMETER The image address is invalid.
|
|
Extended status information is in the ImageError field of ImageContext.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
PeCoffLoaderLoadImage (
|
|
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
|
|
);
|
|
|
|
|
|
/**
|
|
ImageRead function that operates on a memory buffer whos base is passed into
|
|
FileHandle.
|
|
|
|
@param FileHandle Ponter to baes of the input stream
|
|
@param FileOffset Offset to the start of the buffer
|
|
@param ReadSize Number of bytes to copy into the buffer
|
|
@param Buffer Location to place results of read
|
|
|
|
@retval RETURN_SUCCESS Data is read from FileOffset from the Handle into
|
|
the buffer.
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
PeCoffLoaderImageReadFromMemory (
|
|
IN VOID *FileHandle,
|
|
IN UINTN FileOffset,
|
|
IN OUT UINTN *ReadSize,
|
|
OUT VOID *Buffer
|
|
);
|
|
|
|
|
|
/**
|
|
Reapply fixups on a fixed up PE32/PE32+ image to allow virutal calling at EFI
|
|
runtime.
|
|
|
|
PE_COFF_LOADER_IMAGE_CONTEXT.FixupData stores information needed to reapply
|
|
the fixups with a virtual mapping.
|
|
|
|
|
|
@param ImageBase Base address of relocated image
|
|
@param VirtImageBase Virtual mapping for ImageBase
|
|
@param ImageSize Size of the image to relocate
|
|
@param RelocationData Location to place results of read
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
PeCoffLoaderRelocateImageForRuntime (
|
|
IN PHYSICAL_ADDRESS ImageBase,
|
|
IN PHYSICAL_ADDRESS VirtImageBase,
|
|
IN UINTN ImageSize,
|
|
IN VOID *RelocationData
|
|
);
|
|
|
|
/**
|
|
Unloads a loaded PE/COFF image from memory and releases its taken resource.
|
|
|
|
For NT32 emulator, the PE/COFF image loaded by system needs to release.
|
|
For real platform, the PE/COFF image loaded by Core doesn't needs to be unloaded,
|
|
this function can simply return RETURN_SUCCESS.
|
|
|
|
@param ImageContext Pointer to the image context structure that describes the PE/COFF
|
|
image to be unloaded.
|
|
|
|
@retval RETURN_SUCCESS The PE/COFF image was unloaded successfully.
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
PeCoffLoaderUnloadImage (
|
|
IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
|
|
);
|
|
#endif
|