diff options
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 | 148 |
1 files changed, 74 insertions, 74 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 index 78b8b10dde..5ea4a668c4 100644 --- a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PeCoffLib.h +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/Library/PeCoffLib.h @@ -2,17 +2,17 @@ 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 + 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. +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. +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. +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/ @@ -24,7 +24,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. // Return status codes from the PE/COFF Loader services // #define IMAGE_ERROR_SUCCESS 0 -#define IMAGE_ERROR_IMAGE_READ 1 +#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 @@ -39,30 +39,30 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. /** 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. + 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 + 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. + @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 + + @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 + @retval RETURN_DEVICE_ERROR The specified portion of the PE/COFF image could not be read due to a device error. **/ @@ -110,8 +110,8 @@ typedef struct { 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. + /// 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; @@ -122,7 +122,7 @@ typedef struct { 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. + /// 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; @@ -137,7 +137,7 @@ typedef struct { 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 PdbPointer points to the filename of the PDB file used for source-level debug of /// the image by a debugger. /// CHAR8 *PdbPointer; @@ -147,20 +147,20 @@ typedef struct { 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. + /// 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 + /// 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. + /// Set by any of the library functions if they encounter an error. /// UINT32 ImageError; /// @@ -182,7 +182,7 @@ typedef struct { /// BOOLEAN RelocationsStripped; /// - /// Set by PeCoffLoaderGetImageInfo() to TRUE if the image is a TE image. + /// 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. /// @@ -194,28 +194,28 @@ typedef struct { /// PHYSICAL_ADDRESS HiiResourceData; /// - /// Private storage for implementation specific data. + /// Private storage for implementation specific data. /// - UINT64 Context; + 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. + 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 + 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 + @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. @@ -236,12 +236,12 @@ PeCoffLoaderGetImageInfo ( 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 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 @@ -272,10 +272,10 @@ PeCoffLoaderRelocateImage ( 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 + 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 @@ -305,25 +305,25 @@ PeCoffLoaderLoadImage ( /** 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. + + 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. + @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 + @retval RETURN_SUCCESS The data is read from FileOffset from the Handle into the buffer. **/ RETURN_STATUS @@ -338,26 +338,26 @@ PeCoffLoaderImageReadFromMemory ( /** 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 + 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 + @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 + @param RelocationData A pointer to the relocation data that was collected when the PE/COFF image was relocated using PeCoffLoaderRelocateImage(). - + **/ VOID EFIAPI @@ -370,15 +370,15 @@ PeCoffLoaderRelocateImageForRuntime ( /** 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(). - + 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, + 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. |