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Add in BasePeCoff library instance.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2847 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qwang12 2007-06-28 13:30:16 +00:00
parent b80fbe8543
commit d071fb194d
9 changed files with 2352 additions and 0 deletions
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1338
MdePkg/Library/BasePeCoffLib/BasePeCoff.c Normal file
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MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf Normal file
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#/** @file
# Component description file for Base PE/COFF Library
#
# PE/COFF Loader Library implementation.
# 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.
#
#
#**/
################################################################################
#
# Defines Section - statements that will be processed to create a Makefile.
#
################################################################################
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = BasePeCoffLib
FILE_GUID = 556f5d10-7309-4af4-b80a-8196bd60946f
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = PeCoffLib
EDK_RELEASE_VERSION = 0x00020000
EFI_SPECIFICATION_VERSION = 0x00020000
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
################################################################################
#
# Sources Section - list of files that are required for the build to succeed.
#
################################################################################
[Sources.common]
BasePeCoffLibInternals.h
BasePeCoff.c
CommonHeader.h
[Sources.Ia32]
Ia32/PeCoffLoaderEx.c
[Sources.X64]
x64/PeCoffLoaderEx.c
[Sources.IPF]
Ipf/PeCoffLoaderEx.c
[Sources.EBC]
Ebc/PeCoffLoaderEx.c
################################################################################
#
# Package Dependency Section - list of Package files that are required for
# this module.
#
################################################################################
[Packages]
MdePkg/MdePkg.dec
################################################################################
#
# Library Class Section - list of Library Classes that are required for
# this module.
#
################################################################################
[LibraryClasses]
DebugLib
BaseMemoryLib

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MdePkg/Library/BasePeCoffLib/BasePeCoffLib.msa Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<MsaHeader>
<ModuleName>BasePeCoffLib</ModuleName>
<ModuleType>BASE</ModuleType>
<GuidValue>556f5d10-7309-4af4-b80a-8196bd60946f</GuidValue>
<Version>1.0</Version>
<Abstract>Component description file for Base PE/COFF Library</Abstract>
<Description>PE/COFF Loader Library implementation.</Description>
<Copyright>Copyright (c) 2006, Intel Corporation.</Copyright>
<License>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.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>BasePeCoffLib</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_PRODUCED">
<Keyword>PeCoffLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseMemoryLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>BasePeCoff.c</Filename>
<Filename>BasePeCoffLibInternals.h</Filename>
<Filename SupArchList="IA32">Ia32/PeCoffLoaderEx.c</Filename>
<Filename SupArchList="X64">x64/PeCoffLoaderEx.c</Filename>
<Filename SupArchList="IPF">Ipf/PeCoffLoaderEx.c</Filename>
<Filename SupArchList="EBC">Ebc/PeCoffLoaderEx.c</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
</PackageDependencies>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
</Externs>
</ModuleSurfaceArea>

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/** @file
Declaration of internal functions in PE/COFF Lib.
Copyright (c) 2006, Intel Corporation<BR>
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: BasePeCoffLibInternals.h
**/
#ifndef __BASE_PECOFF_LIB_INTERNALS__
#define __BASE_PECOFF_LIB_INTERNALS__
//
// Include common header file for this module.
//
#include "CommonHeader.h"
/**
Performs an Itanium-based specific relocation fixup and is a no-op on other
instruction sets.
@param Reloc Pointer to the relocation record.
@param Fixup Pointer to the address to fix up.
@param FixupData Pointer to a buffer to log the fixups.
@param Adjust The offset to adjust the fixup.
@return Status code.
**/
RETURN_STATUS
PeCoffLoaderRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
);
/**
Performs an Itanium-based specific re-relocation fixup and is a no-op on other
instruction sets. This is used to re-relocated the image into the EFI virtual
space for runtime calls.
@param Reloc Pointer to the relocation record.
@param Fixup Pointer to the address to fix up.
@param FixupData Pointer to a buffer to log the fixups.
@param Adjust The offset to adjust the fixup.
@return Status code.
**/
RETURN_STATUS
PeHotRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
);
/**
Returns TRUE if the machine type of PE/COFF image is supported. Supported
does not mean the image can be executed it means the PE/COFF loader supports
loading and relocating of the image type. It's up to the caller to support
the entry point.
@param Machine Machine type from the PE Header.
@return TRUE if this PE/COFF loader can load the image
**/
BOOLEAN
PeCoffLoaderImageFormatSupported (
IN UINT16 Machine
);
/**
Retrieves the magic value from the PE/COFF header.
@param Hdr The buffer in which to return the PE32, PE32+, or TE header.
@return EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC - Image is PE32
@return EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC - Image is PE32+
**/
UINT16
PeCoffLoaderGetPeHeaderMagicValue (
IN EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr
);
/**
Retrieves the PE or TE Header from a PE/COFF or TE image.
@param ImageContext The context of the image being loaded.
@param Hdr The buffer in which to return the PE32, PE32+, or TE header.
@retval RETURN_SUCCESS The PE or TE Header is read.
@retval Other The error status from reading the PE/COFF or TE image using the ImageRead function.
**/
RETURN_STATUS
PeCoffLoaderGetPeHeader (
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,
OUT EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr
);
/**
Converts an image address to the loaded address.
@param ImageContext The context of the image being loaded.
@param Address The address to be converted to the loaded address.
@return The converted address or NULL if the address can not be converted.
**/
VOID *
PeCoffLoaderImageAddress (
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,
IN UINTN Address
);
#endif

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/**@file
Common header file shared by all source files.
This file includes package header files, library classes and protocol, PPI & GUID definitions.
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.
**/
#ifndef __COMMON_HEADER_H_
#define __COMMON_HEADER_H_
//
// The package level header files this module uses
//
#include <Base.h>
//
// The Library classes this module consumes
//
#include <Library/PeCoffLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <IndustryStandard/PeImage.h>
#endif

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/** @file
EBC Specific relocation fixups.
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: PeCoffLoaderEx.c
**/
//
// Include common header file for this module.
//
#include "CommonHeader.h"
/**
Performs an EBC specific relocation fixup.
@param Reloc Pointer to the relocation record.
@param Fixup Pointer to the address to fix up.
@param FixupData Pointer to a buffer to log the fixups.
@param Adjust The offset to adjust the fixup.
@retval EFI_UNSUPPORTED Unsupported now.
**/
RETURN_STATUS
PeCoffLoaderRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
)
{
return RETURN_UNSUPPORTED;
}
/**
Returns TRUE if the machine type of PE/COFF image is supported. Supported
does not mean the image can be executed it means the PE/COFF loader supports
loading and relocating of the image type. It's up to the caller to support
the entry point.
This function implies the basic PE/COFF loader/relocator supports IA32, EBC,
& X64 images. Calling the entry point in a correct mannor is up to the
consumer of this library.
@param Machine Machine type from the PE Header.
@return TRUE if this PE/COFF loader can load the image
**/
BOOLEAN
PeCoffLoaderImageFormatSupported (
IN UINT16 Machine
)
{
if ((Machine == EFI_IMAGE_MACHINE_IA32) || (Machine == EFI_IMAGE_MACHINE_X64) ||
(Machine == EFI_IMAGE_MACHINE_EBC)) {
return TRUE;
}
return FALSE;
}
/**
Performs an Itanium-based specific re-relocation fixup and is a no-op on other
instruction sets. This is used to re-relocated the image into the EFI virtual
space for runtime calls.
@param Reloc Pointer to the relocation record.
@param Fixup Pointer to the address to fix up.
@param FixupData Pointer to a buffer to log the fixups.
@param Adjust The offset to adjust the fixup.
@return Status code.
**/
RETURN_STATUS
PeHotRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
)
{
return RETURN_UNSUPPORTED;
}

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/** @file
IA-32 Specific relocation fixups.
Copyright (c) 2006, Intel Corporation<BR>
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: PeCoffLoaderEx.c
**/
//
// Include common header file for this module.
//
#include "CommonHeader.h"
/**
Performs an IA-32 specific relocation fixup.
@param Reloc Pointer to the relocation record.
@param Fixup Pointer to the address to fix up.
@param FixupData Pointer to a buffer to log the fixups.
@param Adjust The offset to adjust the fixup.
@retval EFI_UNSUPPORTED Unsupported now.
**/
RETURN_STATUS
PeCoffLoaderRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
)
{
return RETURN_UNSUPPORTED;
}
/**
Returns TRUE if the machine type of PE/COFF image is supported. Supported
does not mean the image can be executed it means the PE/COFF loader supports
loading and relocating of the image type. It's up to the caller to support
the entry point.
This function implies the basic PE/COFF loader/relocator supports IA32, EBC,
& X64 images. Calling the entry point in a correct mannor is up to the
consumer of this library.
@param Machine Machine type from the PE Header.
@return TRUE if this PE/COFF loader can load the image
**/
BOOLEAN
PeCoffLoaderImageFormatSupported (
IN UINT16 Machine
)
{
if ((Machine == EFI_IMAGE_MACHINE_IA32) || (Machine == EFI_IMAGE_MACHINE_X64) ||
(Machine == EFI_IMAGE_MACHINE_EBC)) {
return TRUE;
}
return FALSE;
}
/**
Performs an Itanium-based specific re-relocation fixup and is a no-op on other
instruction sets. This is used to re-relocated the image into the EFI virtual
space for runtime calls.
@param Reloc Pointer to the relocation record.
@param Fixup Pointer to the address to fix up.
@param FixupData Pointer to a buffer to log the fixups.
@param Adjust The offset to adjust the fixup.
@return Status code.
**/
RETURN_STATUS
PeHotRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
)
{
return RETURN_UNSUPPORTED;
}

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/** @file
Fixes Intel Itanium(TM) specific relocation types.
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: PeCoffLoaderEx.c
**/
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#include "BasePeCoffLibInternals.h"
#define EXT_IMM64(Value, Address, Size, InstPos, ValPos) \
Value |= (((UINT64)((*(Address) >> InstPos) & (((UINT64)1 << Size) - 1))) << ValPos)
#define INS_IMM64(Value, Address, Size, InstPos, ValPos) \
*(UINT32*)Address = (*(UINT32*)Address & ~(((1 << Size) - 1) << InstPos)) | \
((UINT32)((((UINT64)Value >> ValPos) & (((UINT64)1 << Size) - 1))) << InstPos)
#define IMM64_IMM7B_INST_WORD_X 3
#define IMM64_IMM7B_SIZE_X 7
#define IMM64_IMM7B_INST_WORD_POS_X 4
#define IMM64_IMM7B_VAL_POS_X 0
#define IMM64_IMM9D_INST_WORD_X 3
#define IMM64_IMM9D_SIZE_X 9
#define IMM64_IMM9D_INST_WORD_POS_X 18
#define IMM64_IMM9D_VAL_POS_X 7
#define IMM64_IMM5C_INST_WORD_X 3
#define IMM64_IMM5C_SIZE_X 5
#define IMM64_IMM5C_INST_WORD_POS_X 13
#define IMM64_IMM5C_VAL_POS_X 16
#define IMM64_IC_INST_WORD_X 3
#define IMM64_IC_SIZE_X 1
#define IMM64_IC_INST_WORD_POS_X 12
#define IMM64_IC_VAL_POS_X 21
#define IMM64_IMM41a_INST_WORD_X 1
#define IMM64_IMM41a_SIZE_X 10
#define IMM64_IMM41a_INST_WORD_POS_X 14
#define IMM64_IMM41a_VAL_POS_X 22
#define IMM64_IMM41b_INST_WORD_X 1
#define IMM64_IMM41b_SIZE_X 8
#define IMM64_IMM41b_INST_WORD_POS_X 24
#define IMM64_IMM41b_VAL_POS_X 32
#define IMM64_IMM41c_INST_WORD_X 2
#define IMM64_IMM41c_SIZE_X 23
#define IMM64_IMM41c_INST_WORD_POS_X 0
#define IMM64_IMM41c_VAL_POS_X 40
#define IMM64_SIGN_INST_WORD_X 3
#define IMM64_SIGN_SIZE_X 1
#define IMM64_SIGN_INST_WORD_POS_X 27
#define IMM64_SIGN_VAL_POS_X 63
/**
Performs an Itanium-based specific relocation fixup.
@param Reloc Pointer to the relocation record.
@param Fixup Pointer to the address to fix up.
@param FixupData Pointer to a buffer to log the fixups.
@param Adjust The offset to adjust the fixup.
@return Status code.
**/
RETURN_STATUS
PeCoffLoaderRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
)
{
UINT64 *F64;
UINT64 FixupVal;
switch ((*Reloc) >> 12) {
case EFI_IMAGE_REL_BASED_IA64_IMM64:
//
// Align it to bundle address before fixing up the
// 64-bit immediate value of the movl instruction.
//
Fixup = (CHAR8 *)((UINTN) Fixup & (UINTN) ~(15));
FixupVal = (UINT64)0;
//
// Extract the lower 32 bits of IMM64 from bundle
//
EXT_IMM64(FixupVal,
(UINT32 *)Fixup + IMM64_IMM7B_INST_WORD_X,
IMM64_IMM7B_SIZE_X,
IMM64_IMM7B_INST_WORD_POS_X,
IMM64_IMM7B_VAL_POS_X
);
EXT_IMM64(FixupVal,
(UINT32 *)Fixup + IMM64_IMM9D_INST_WORD_X,
IMM64_IMM9D_SIZE_X,
IMM64_IMM9D_INST_WORD_POS_X,
IMM64_IMM9D_VAL_POS_X
);
EXT_IMM64(FixupVal,
(UINT32 *)Fixup + IMM64_IMM5C_INST_WORD_X,
IMM64_IMM5C_SIZE_X,
IMM64_IMM5C_INST_WORD_POS_X,
IMM64_IMM5C_VAL_POS_X
);
EXT_IMM64(FixupVal,
(UINT32 *)Fixup + IMM64_IC_INST_WORD_X,
IMM64_IC_SIZE_X,
IMM64_IC_INST_WORD_POS_X,
IMM64_IC_VAL_POS_X
);
EXT_IMM64(FixupVal,
(UINT32 *)Fixup + IMM64_IMM41a_INST_WORD_X,
IMM64_IMM41a_SIZE_X,
IMM64_IMM41a_INST_WORD_POS_X,
IMM64_IMM41a_VAL_POS_X
);
//
// Update 64-bit address
//
FixupVal += Adjust;
//
// Insert IMM64 into bundle
//
INS_IMM64(FixupVal,
((UINT32 *)Fixup + IMM64_IMM7B_INST_WORD_X),
IMM64_IMM7B_SIZE_X,
IMM64_IMM7B_INST_WORD_POS_X,
IMM64_IMM7B_VAL_POS_X
);
INS_IMM64(FixupVal,
((UINT32 *)Fixup + IMM64_IMM9D_INST_WORD_X),
IMM64_IMM9D_SIZE_X,
IMM64_IMM9D_INST_WORD_POS_X,
IMM64_IMM9D_VAL_POS_X
);
INS_IMM64(FixupVal,
((UINT32 *)Fixup + IMM64_IMM5C_INST_WORD_X),
IMM64_IMM5C_SIZE_X,
IMM64_IMM5C_INST_WORD_POS_X,
IMM64_IMM5C_VAL_POS_X
);
INS_IMM64(FixupVal,
((UINT32 *)Fixup + IMM64_IC_INST_WORD_X),
IMM64_IC_SIZE_X,
IMM64_IC_INST_WORD_POS_X,
IMM64_IC_VAL_POS_X
);
INS_IMM64(FixupVal,
((UINT32 *)Fixup + IMM64_IMM41a_INST_WORD_X),
IMM64_IMM41a_SIZE_X,
IMM64_IMM41a_INST_WORD_POS_X,
IMM64_IMM41a_VAL_POS_X
);
INS_IMM64(FixupVal,
((UINT32 *)Fixup + IMM64_IMM41b_INST_WORD_X),
IMM64_IMM41b_SIZE_X,
IMM64_IMM41b_INST_WORD_POS_X,
IMM64_IMM41b_VAL_POS_X
);
INS_IMM64(FixupVal,
((UINT32 *)Fixup + IMM64_IMM41c_INST_WORD_X),
IMM64_IMM41c_SIZE_X,
IMM64_IMM41c_INST_WORD_POS_X,
IMM64_IMM41c_VAL_POS_X
);
INS_IMM64(FixupVal,
((UINT32 *)Fixup + IMM64_SIGN_INST_WORD_X),
IMM64_SIGN_SIZE_X,
IMM64_SIGN_INST_WORD_POS_X,
IMM64_SIGN_VAL_POS_X
);
F64 = (UINT64 *) Fixup;
if (*FixupData != NULL) {
*FixupData = ALIGN_POINTER(*FixupData, sizeof(UINT64));
*(UINT64 *)(*FixupData) = *F64;
*FixupData = *FixupData + sizeof(UINT64);
}
break;
default:
return RETURN_UNSUPPORTED;
}
return RETURN_SUCCESS;
}
/**
Returns TRUE if the machine type of PE/COFF image is supported. Supported
does not mean the image can be executed it means the PE/COFF loader supports
loading and relocating of the image type. It's up to the caller to support
the entry point.
This function implies the basic PE/COFF loader/relocator supports IA32, EBC,
& X64 images. Calling the entry point in a correct mannor is up to the
consumer of this library. This version also supports the special relocations
for Itanium.
@param Machine Machine type from the PE Header.
@return TRUE if this PE/COFF loader can load the image
**/
BOOLEAN
PeCoffLoaderImageFormatSupported (
IN UINT16 Machine
)
{
if ((Machine == EFI_IMAGE_MACHINE_IPF) || (Machine == EFI_IMAGE_MACHINE_IA32) ||
(Machine == EFI_IMAGE_MACHINE_EBC) || (Machine == EFI_IMAGE_MACHINE_X64)) {
return TRUE;
}
return FALSE;
}
/**
ImageRead function that operates on a memory buffer whos base is passed into
FileHandle.
@param Reloc Ponter to baes of the input stream
@param Fixup Offset to the start of the buffer
@param FixupData Number of bytes to copy into the buffer
@param Adjust Location to place results of read
@retval RETURN_SUCCESS Data is read from FileOffset from the Handle into
the buffer.
**/
RETURN_STATUS
PeHotRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
)
{
UINT64 *F64;
UINT64 FixupVal;
switch ((*Reloc) >> 12) {
case EFI_IMAGE_REL_BASED_DIR64:
F64 = (UINT64 *) Fixup;
*FixupData = ALIGN_POINTER (*FixupData, sizeof (UINT64));
if (*(UINT64 *) (*FixupData) == *F64) {
*F64 = *F64 + (UINT64) Adjust;
}
*FixupData = *FixupData + sizeof (UINT64);
break;
case EFI_IMAGE_REL_BASED_IA64_IMM64:
F64 = (UINT64 *) Fixup;
*FixupData = ALIGN_POINTER (*FixupData, sizeof (UINT64));
if (*(UINT64 *) (*FixupData) == *F64) {
//
// Align it to bundle address before fixing up the
// 64-bit immediate value of the movl instruction.
//
//
Fixup = (CHAR8 *) ((UINT64) Fixup & (UINT64)~(15));
FixupVal = (UINT64) 0;
//
// Extract the lower 32 bits of IMM64 from bundle
//
EXT_IMM64 (
FixupVal,
(UINT32 *) Fixup + IMM64_IMM7B_INST_WORD_X,
IMM64_IMM7B_SIZE_X,
IMM64_IMM7B_INST_WORD_POS_X,
IMM64_IMM7B_VAL_POS_X
);
EXT_IMM64 (
FixupVal,
(UINT32 *) Fixup + IMM64_IMM9D_INST_WORD_X,
IMM64_IMM9D_SIZE_X,
IMM64_IMM9D_INST_WORD_POS_X,
IMM64_IMM9D_VAL_POS_X
);
EXT_IMM64 (
FixupVal,
(UINT32 *) Fixup + IMM64_IMM5C_INST_WORD_X,
IMM64_IMM5C_SIZE_X,
IMM64_IMM5C_INST_WORD_POS_X,
IMM64_IMM5C_VAL_POS_X
);
EXT_IMM64 (
FixupVal,
(UINT32 *) Fixup + IMM64_IC_INST_WORD_X,
IMM64_IC_SIZE_X,
IMM64_IC_INST_WORD_POS_X,
IMM64_IC_VAL_POS_X
);
EXT_IMM64 (
FixupVal,
(UINT32 *) Fixup + IMM64_IMM41a_INST_WORD_X,
IMM64_IMM41a_SIZE_X,
IMM64_IMM41a_INST_WORD_POS_X,
IMM64_IMM41a_VAL_POS_X
);
//
// Update 64-bit address
//
FixupVal += Adjust;
//
// Insert IMM64 into bundle
//
INS_IMM64 (
FixupVal,
((UINT32 *) Fixup + IMM64_IMM7B_INST_WORD_X),
IMM64_IMM7B_SIZE_X,
IMM64_IMM7B_INST_WORD_POS_X,
IMM64_IMM7B_VAL_POS_X
);
INS_IMM64 (
FixupVal,
((UINT32 *) Fixup + IMM64_IMM9D_INST_WORD_X),
IMM64_IMM9D_SIZE_X,
IMM64_IMM9D_INST_WORD_POS_X,
IMM64_IMM9D_VAL_POS_X
);
INS_IMM64 (
FixupVal,
((UINT32 *) Fixup + IMM64_IMM5C_INST_WORD_X),
IMM64_IMM5C_SIZE_X,
IMM64_IMM5C_INST_WORD_POS_X,
IMM64_IMM5C_VAL_POS_X
);
INS_IMM64 (
FixupVal,
((UINT32 *) Fixup + IMM64_IC_INST_WORD_X),
IMM64_IC_SIZE_X,
IMM64_IC_INST_WORD_POS_X,
IMM64_IC_VAL_POS_X
);
INS_IMM64 (
FixupVal,
((UINT32 *) Fixup + IMM64_IMM41a_INST_WORD_X),
IMM64_IMM41a_SIZE_X,
IMM64_IMM41a_INST_WORD_POS_X,
IMM64_IMM41a_VAL_POS_X
);
INS_IMM64 (
FixupVal,
((UINT32 *) Fixup + IMM64_IMM41b_INST_WORD_X),
IMM64_IMM41b_SIZE_X,
IMM64_IMM41b_INST_WORD_POS_X,
IMM64_IMM41b_VAL_POS_X
);
INS_IMM64 (
FixupVal,
((UINT32 *) Fixup + IMM64_IMM41c_INST_WORD_X),
IMM64_IMM41c_SIZE_X,
IMM64_IMM41c_INST_WORD_POS_X,
IMM64_IMM41c_VAL_POS_X
);
INS_IMM64 (
FixupVal,
((UINT32 *) Fixup + IMM64_SIGN_INST_WORD_X),
IMM64_SIGN_SIZE_X,
IMM64_SIGN_INST_WORD_POS_X,
IMM64_SIGN_VAL_POS_X
);
*(UINT64 *) (*FixupData) = *F64;
}
*FixupData = *FixupData + sizeof (UINT64);
break;
default:
DEBUG ((EFI_D_ERROR, "PeHotRelocateEx:unknown fixed type\n"));
return RETURN_UNSUPPORTED;
}
return RETURN_SUCCESS;
}

93
MdePkg/Library/BasePeCoffLib/x64/PeCoffLoaderEx.c Normal file
View File

@ -0,0 +1,93 @@
/** @file
x64 Specific relocation fixups.
Copyright (c) 2005 - 2006 Intel Corporation. <BR>
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.
**/
//
// Include common header file for this module.
//
#include "CommonHeader.h"
/**
Performs an x64 specific relocation fixup.
@param Reloc Pointer to the relocation record
@param Fixup Pointer to the address to fix up
@param FixupData Pointer to a buffer to log the fixups
@param Adjust The offset to adjust the fixup
@retval RETURN_SUCCESS Success to perform relocation
@retval RETURN_UNSUPPORTED Unsupported.
**/
RETURN_STATUS
PeCoffLoaderRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
)
{
return RETURN_UNSUPPORTED;
}
/**
Returns TRUE if the machine type of PE/COFF image is supported. Supported
does not mean the image can be executed it means the PE/COFF loader supports
loading and relocating of the image type. It's up to the caller to support
the entry point.
This function implies the basic PE/COFF loader/relocator supports IA32, EBC,
& X64 images. Calling the entry point in a correct mannor is up to the
consumer of this library.
@param Machine Machine type from the PE Header.
@return TRUE if this PE/COFF loader can load the image
**/
BOOLEAN
PeCoffLoaderImageFormatSupported (
IN UINT16 Machine
)
{
if ((Machine == EFI_IMAGE_MACHINE_IA32) || (Machine == EFI_IMAGE_MACHINE_X64) ||
(Machine == EFI_IMAGE_MACHINE_EBC)) {
return TRUE;
}
return FALSE;
}
/**
Performs an X64 specific re-relocation fixup and is a no-op on other
instruction sets. This is used to re-relocated the image into the EFI virtual
space for runtime calls.
@param Reloc Pointer to the relocation record.
@param Fixup Pointer to the address to fix up.
@param FixupData Pointer to a buffer to log the fixups.
@param Adjust The offset to adjust the fixup.
@return Status code.
**/
RETURN_STATUS
PeHotRelocateImageEx (
IN UINT16 *Reloc,
IN OUT CHAR8 *Fixup,
IN OUT CHAR8 **FixupData,
IN UINT64 Adjust
)
{
return RETURN_UNSUPPORTED;
}