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Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PeCoffLib.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PeCoffLib.h | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PeCoffLib.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PeCoffLib.h new file mode 100644 index 0000000000..78b8b10dde --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PeCoffLib.h @@ -0,0 +1,392 @@ +/** @file + Provides services to load and relocate a PE/COFF image. + + The PE/COFF Loader Library abstracts the implementation of a PE/COFF loader for + IA-32, x86, IPF, and EBC processor types. The library functions are memory-based + and can be ported easily to any environment. + +Copyright (c) 2006 - 2012, 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 that 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 +#define IMAGE_ERROR_UNSUPPORTED 11 + +/** + Reads contents of a PE/COFF image. + + A function of this type reads contents of the PE/COFF image specified by FileHandle. The read + operation copies ReadSize bytes from the PE/COFF image starting at byte offset FileOffset into + the buffer specified by Buffer. The size of the buffer actually read is returned in ReadSize. + If FileOffset specifies an offset past the end of the PE/COFF image, a ReadSize of 0 is returned. + A function of this type must be registered in the ImageRead field of a PE_COFF_LOADER_IMAGE_CONTEXT + structure for the PE/COFF Loader Library service to function correctly. This function abstracts access + to a PE/COFF image so it can be implemented in an environment specific manner. For example, SEC and PEI + environments may access memory directly to read the contents of a PE/COFF image, and DXE or UEFI + environments may require protocol services to read the contents of PE/COFF image + stored on FLASH, disk, or network devices. + + If FileHandle is not a valid handle, then ASSERT(). + If ReadSize is NULL, then ASSERT(). + If Buffer is NULL, then ASSERT(). + + @param FileHandle Pointer to the file handle to read the PE/COFF image. + @param FileOffset Offset into the PE/COFF image to begin the read operation. + @param ReadSize On input, the size in bytes of the requested read operation. + On output, the number of bytes actually read. + @param Buffer Output buffer that contains the data read from the PE/COFF image. + + @retval RETURN_SUCCESS The specified portion of the PE/COFF image was + read and the size return in ReadSize. + @retval RETURN_DEVICE_ERROR The specified portion of the PE/COFF image + could not be read due to a device error. + +**/ +typedef +RETURN_STATUS +(EFIAPI *PE_COFF_LOADER_READ_FILE)( + IN VOID *FileHandle, + IN UINTN FileOffset, + IN OUT UINTN *ReadSize, + OUT VOID *Buffer + ); + +/// +/// The context structure used while PE/COFF image is being loaded and relocated. +/// +typedef struct { + /// + /// Set by PeCoffLoaderGetImageInfo() to the ImageBase in the PE/COFF header. + /// + PHYSICAL_ADDRESS ImageAddress; + /// + /// 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; + /// + /// 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; + /// + /// Set by PeCoffLoaderLoadImage() to the HII resource offset + /// if the image contains a custom PE/COFF resource with the type 'HII'. + /// Otherwise, the entry remains to be 0. + /// + PHYSICAL_ADDRESS HiiResourceData; + /// + /// Private storage for implementation specific data. + /// + UINT64 Context; +} 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. + The ImageRead and Handle fields of ImageContext structure must be valid prior + to invoking this service. + + @param ImageContext The 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. + + The ImageRead, Handle, PeCoffHeaderOffset, IsTeImage, Machine, ImageType, ImageAddress, + ImageSize, DestinationAddress, RelocationsStripped, SectionAlignment, SizeOfHeaders, + DebugDirectoryEntryRva, EntryPoint, FixupDataSize, CodeView, PdbPointer, and FixupData of + the ImageContext structure must be valid prior to invoking this service. + + If ImageContext is NULL, then ASSERT(). + + Note that if the platform does not maintain coherency between the instruction cache(s) and the data + cache(s) in hardware, then the caller is responsible for performing cache maintenance operations + prior to transferring control to a PE/COFF image that is loaded using this library. + + @param ImageContext The 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, PdbPointer and HiiResourceData fields of ImageContext are computed. + The ImageRead, Handle, PeCoffHeaderOffset, IsTeImage, Machine, ImageType, ImageAddress, ImageSize, + DestinationAddress, RelocationsStripped, SectionAlignment, SizeOfHeaders, and DebugDirectoryEntryRva + fields of the ImageContext structure must be valid prior to invoking this service. + + If ImageContext is NULL, then ASSERT(). + + Note that if the platform does not maintain coherency between the instruction cache(s) and the data + cache(s) in hardware, then the caller is responsible for performing cache maintenance operations + prior to transferring control to a PE/COFF image that is loaded using this library. + + @param ImageContext The 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 + ); + + +/** + Reads contents of a PE/COFF image from a buffer in system memory. + + This is the default implementation of a PE_COFF_LOADER_READ_FILE function + that assumes FileHandle pointer to the beginning of a PE/COFF image. + This function reads contents of the PE/COFF image that starts at the system memory + address specified by FileHandle. The read operation copies ReadSize bytes from the + PE/COFF image starting at byte offset FileOffset into the buffer specified by Buffer. + The size of the buffer actually read is returned in ReadSize. + + If FileHandle is NULL, then ASSERT(). + If ReadSize is NULL, then ASSERT(). + If Buffer is NULL, then ASSERT(). + + @param FileHandle The pointer to base of the input stream + @param FileOffset Offset into the PE/COFF image to begin the read operation. + @param ReadSize On input, the size in bytes of the requested read operation. + On output, the number of bytes actually read. + @param Buffer Output buffer that contains the data read from the PE/COFF image. + + @retval RETURN_SUCCESS The 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 virtual calling at EFI + runtime. + + This function reapplies relocation fixups to the PE/COFF image specified by ImageBase + and ImageSize so the image will execute correctly when the PE/COFF image is mapped + to the address specified by VirtualImageBase. RelocationData must be identical + to the FiuxupData buffer from the PE_COFF_LOADER_IMAGE_CONTEXT structure + after this PE/COFF image was relocated with PeCoffLoaderRelocateImage(). + + Note that if the platform does not maintain coherency between the instruction cache(s) and the data + cache(s) in hardware, then the caller is responsible for performing cache maintenance operations + prior to transferring control to a PE/COFF image that is loaded using this library. + + @param ImageBase The base address of a PE/COFF image that has been loaded + and relocated into system memory. + @param VirtImageBase The request virtual address that the PE/COFF image is to + be fixed up for. + @param ImageSize The size, in bytes, of the PE/COFF image. + @param RelocationData A pointer to the relocation data that was collected when the PE/COFF + image was relocated using PeCoffLoaderRelocateImage(). + +**/ +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. + Releases any environment specific resources that were allocated when the image + specified by ImageContext was loaded using PeCoffLoaderLoadImage(). + + 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. + + If ImageContext is NULL, then ASSERT(). + + @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 OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext + ); +#endif |