mirror of https://github.com/acidanthera/audk.git
226 lines
8.3 KiB
C
226 lines
8.3 KiB
C
/**@file
|
|
|
|
Copyright (c) 2006, 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.
|
|
|
|
Module Name:
|
|
|
|
DxeNt32PeCoffLib.c
|
|
|
|
Abstract:
|
|
|
|
Wrap the Nt32 PE/COFF loader with the PE COFF LOADER guid structure
|
|
to produce PeCoff library class.
|
|
|
|
|
|
**/
|
|
|
|
#include <PiDxe.h>
|
|
#include <Guid/PeiPeCoffLoader.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/PeCoffLib.h>
|
|
#include <Library/HobLib.h>
|
|
|
|
EFI_PEI_PE_COFF_LOADER_PROTOCOL *mPeiEfiPeiPeCoffLoader;
|
|
|
|
/**
|
|
The constructor function gets the pointer to PeCofferLoader guid structure
|
|
from the guid data hob.
|
|
|
|
It will ASSERT() if the guid hob of PeCofferLoader guid structure doesn't exist.
|
|
|
|
@param ImageHandle The firmware allocated handle for the EFI image.
|
|
@param SystemTable A pointer to the EFI System Table.
|
|
|
|
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
DxeNt32PeCoffLibConstructor (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_HOB_GUID_TYPE *GuidHob;
|
|
|
|
//
|
|
// Find guid data hob that contains PeCoffLoader guid structure.
|
|
//
|
|
GuidHob = GetFirstGuidHob (&gEfiPeiPeCoffLoaderGuid);
|
|
ASSERT (GuidHob != NULL);
|
|
|
|
//
|
|
// Get PeCofferLoader guid structure from guid hob data.
|
|
//
|
|
mPeiEfiPeiPeCoffLoader = (EFI_PEI_PE_COFF_LOADER_PROTOCOL *)(*(UINTN *)(GET_GUID_HOB_DATA (GuidHob)));
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Retrieves information about a PE/COFF image.
|
|
|
|
Computes the PeCoffHeaderOffset, ImageAddress, ImageSize, DestinationAddress, CodeView,
|
|
PdbPointer, 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.
|
|
|
|
@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
|
|
)
|
|
{
|
|
return mPeiEfiPeiPeCoffLoader->GetImageInfo (mPeiEfiPeiPeCoffLoader, 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
|
|
)
|
|
{
|
|
return mPeiEfiPeiPeCoffLoader->RelocateImage (mPeiEfiPeiPeCoffLoader, 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
|
|
)
|
|
{
|
|
return mPeiEfiPeiPeCoffLoader->LoadImage (mPeiEfiPeiPeCoffLoader, 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
|
|
)
|
|
{
|
|
return RETURN_UNSUPPORTED;
|
|
}
|
|
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
return mPeiEfiPeiPeCoffLoader->UnloadImage (mPeiEfiPeiPeCoffLoader, ImageContext);
|
|
}
|