#include <IndustryStandard/AppleMachoImage.h>
#include <Library/OcAppleKernelLib.h>
#include <Library/OcMachoLib.h>
#include <Library/OcXmlLib.h>

Data Structures
struct	PRELINKED_KEXT_SYMBOL

struct	PRELINKED_VTABLE_ENTRY

struct	PRELINKED_VTABLE

struct	PRELINKED_KEXT_

union	OC_KEXT_VERSION

struct	OC_PRELINKED_VTABLE_LOOKUP_ENTRY

struct	OC_VTABLE_PATCH_ENTRY

Macros
#define	MAX_KEXT_DEPEDENCIES 16

#define	KEXT_OFFSET_STR_LEN 24

#define	GET_NEXT_PRELINKED_VTABLE(This)

#define	PRELINKED_KEXT_SIGNATURE SIGNATURE_32 ('P', 'K', 'X', 'T')

#define	GET_PRELINKED_KEXT_FROM_LINK(This)

#define	GET_INJECTED_KEXT_FROM_LINK(This)

#define	KXLD_WEAK_TEST_SYMBOL "_gOSKextUnresolved"

#define	KXLD_ANY_NEXT(a, b)

#define	OS_METACLASS_VTABLE_NAME "__ZTV11OSMetaClass"

#define	X86_64_RIP_RELATIVE_LIMIT 0x80000000ULL

#define	SYM_MAX_NAME_LEN 256U

#define	VTABLE_ENTRY_SIZE_32 4U

#define	VTABLE_ENTRY_SIZE_64 8U

#define	VTABLE_HEADER_LEN 2U

#define	VTABLE_HEADER_SIZE_32 (VTABLE_HEADER_LEN * VTABLE_ENTRY_SIZE_32)

#define	VTABLE_HEADER_SIZE_64 (VTABLE_HEADER_LEN * VTABLE_ENTRY_SIZE_64)

#define	KERNEL_ADDRESS_MASK 0xFFFFFFFF00000000ULL

#define	KERNEL_ADDRESS_KEXT 0xFFFFFF7F00000000ULL

#define	KERNEL_ADDRESS_BASE 0xFFFFFF8000000000ULL

#define	KERNEL_FIXUP_OFFSET BASE_1MB

#define	VTABLE_ENTRY_X(a, b, c)

#define	VTABLE_ENTRY_SIZE_X(a)

#define	VTABLE_HEADER_SIZE_X(a)

#define	GET_NEXT_OC_VTABLE_PATCH_ENTRY(Entry)

Typedefs
typedef struct PRELINKED_KEXT_	PRELINKED_KEXT

Enumerations
enum	OC_KEXT_VERSION_STAGE { OcKextVersionStageDevelopment = 1 , OcKextVersionStageAlpha = 3 , OcKextVersionStageBeta = 5 , OcKextVersionStageCandidate = 7 , OcKextVersionStageRelease = 9 }

enum	OC_GET_SYMBOL_TYPE { OcGetSymbolByName , OcGetSymbolByValue }

enum	OC_GET_SYMBOL_LEVEL { OcGetSymbolAnyLevel , OcGetSymbolFirstLevel , OcGetSymbolOnlyCxx }

Functions
PRELINKED_KEXT *	InternalNewPrelinkedKext (IN OC_MACHO_CONTEXT Context, IN XML_NODE KextPlist)

VOID	InternalFreePrelinkedKext (IN PRELINKED_KEXT *Kext)

PRELINKED_KEXT *	InternalCachedPrelinkedKext (IN OUT PRELINKED_CONTEXT Prelinked, IN CONST CHAR8 Identifier)

EFI_STATUS	InternalDropCachedPrelinkedKext (IN OUT PRELINKED_CONTEXT Prelinked, IN CONST CHAR8 Identifier)

PRELINKED_KEXT *	InternalCachedPrelinkedKernel (IN OUT PRELINKED_CONTEXT *Prelinked)

EFI_STATUS	InternalScanPrelinkedKext (IN OUT PRELINKED_KEXT Kext, IN OUT PRELINKED_CONTEXT Context, IN BOOLEAN Dependency)

VOID	InternalUnlockContextKexts (IN PRELINKED_CONTEXT *Context)

PRELINKED_KEXT *	InternalLinkPrelinkedKext (IN OUT PRELINKED_CONTEXT Context, IN OUT OC_MACHO_CONTEXT Executable, IN XML_NODE *PlistRoot, IN UINT64 LoadAddress, IN UINT64 KmodAddress, IN UINT64 FileOffset)

EFI_STATUS	InternalConnectExternalSymtab (IN OUT OC_MACHO_CONTEXT Context, OUT OC_MACHO_CONTEXT InnerContext, IN UINT8 Buffer, IN UINT32 BufferSize, OUT BOOLEAN KernelCollection OPTIONAL)

	STATIC_ASSERT ((sizeof(OC_PRELINKED_VTABLE_LOOKUP_ENTRY)<=sizeof(MACH_NLIST_64)), "Prelinked VTable lookup data might not safely fit LinkBuffer")

	STATIC_ASSERT (((sizeof(MACH_NLIST_64 )+MAX((2 sizeof(UINT32)), sizeof(UINT64 *)))<=sizeof(MACH_NLIST_64)), "VTable Patch data might not safely fit LinkBuffer")

BOOLEAN	InternalGetVtableEntries (IN BOOLEAN Is32Bit, IN CONST VOID VtableData, IN UINT32 MaxSize, OUT UINT32 NumEntries)

BOOLEAN	InternalPatchByVtables (IN PRELINKED_CONTEXT Context, IN OUT PRELINKED_KEXT Kext)

BOOLEAN	InternalPrepareCreateVtablesPrelinked (IN PRELINKED_KEXT Kext, IN UINT32 MaxSize, OUT UINT32 NumVtables, OUT OC_PRELINKED_VTABLE_LOOKUP_ENTRY *Vtables)

VOID	InternalCreateVtablesPrelinked (IN PRELINKED_CONTEXT Context, IN OUT PRELINKED_KEXT Kext, IN UINT32 NumVtables, IN CONST OC_PRELINKED_VTABLE_LOOKUP_ENTRY VtableLookups, OUT PRELINKED_VTABLE VtableBuffer)

CONST PRELINKED_VTABLE *	InternalGetOcVtableByName (IN PRELINKED_CONTEXT Context, IN PRELINKED_KEXT Kext, IN CONST CHAR8 *Name)

CONST PRELINKED_KEXT_SYMBOL *	InternalOcGetSymbolName (IN PRELINKED_CONTEXT Context, IN PRELINKED_KEXT Kext, IN CONST CHAR8 *LookupValue, IN OC_GET_SYMBOL_LEVEL SymbolLevel)

CONST PRELINKED_KEXT_SYMBOL *	InternalOcGetSymbolValue (IN PRELINKED_CONTEXT Context, IN PRELINKED_KEXT Kext, IN UINT64 LookupValue, IN OC_GET_SYMBOL_LEVEL SymbolLevel)

VOID	InternalSolveSymbolValue (IN BOOLEAN Is32Bit, IN UINT64 Value, OUT MACH_NLIST_ANY *Symbol)

EFI_STATUS	InternalPrelinkKext (IN OUT PRELINKED_CONTEXT Context, IN PRELINKED_KEXT Kext, IN UINT64 LoadAddress, IN UINT64 FileOffset)

EFI_STATUS	InternalKxldStateBuildLinkedSymbolTable (IN OUT PRELINKED_KEXT Kext, IN PRELINKED_CONTEXT Context)

EFI_STATUS	InternalKxldStateBuildLinkedVtables (IN OUT PRELINKED_KEXT Kext, IN PRELINKED_CONTEXT Context)

EFI_STATUS	InternalKxldStateRebuild (IN OUT PRELINKED_CONTEXT *Context)

UINT64	InternalKxldSolveSymbol (IN BOOLEAN Is32Bit, IN CONST VOID KxldState, IN UINT32 KxldStateSize, IN CONST CHAR8 Name)

Variables
KERNEL_QUIRK	gKernelQuirks []

Detailed Description

Library handling KEXT prelinking. Currently limited to Intel 64 architectures.

Copyright (c) 2018, Download-Fritz. 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.

Definition in file PrelinkedInternal.h.

Macro Definition Documentation

◆ GET_INJECTED_KEXT_FROM_LINK

#define GET_INJECTED_KEXT_FROM_LINK ( This )

Value:

  (CR (                                     \
    (This),                                 \
    PRELINKED_KEXT,                         \
    InjectedLink,                           \
    PRELINKED_KEXT_SIGNATURE                \
    ))

Gets the next element in InjectedKexts list of PRELINKED_KEXT.

Parameters

[in] This The current ListEntry.

Definition at line 166 of file PrelinkedInternal.h.

◆ GET_NEXT_OC_VTABLE_PATCH_ENTRY

#define GET_NEXT_OC_VTABLE_PATCH_ENTRY ( Entry )

Value:

  (OC_VTABLE_PATCH_ENTRY *)(                                          \
    (UINTN)((Entry) + 1)                                              \
      + ((Entry)->NumSolveSymbols * sizeof (*(Entry)->SolveSymbols))  \
    )

Definition at line 312 of file PrelinkedInternal.h.

◆ GET_NEXT_PRELINKED_VTABLE

#define GET_NEXT_PRELINKED_VTABLE ( This )

Value:

  (PRELINKED_VTABLE *)(                                                    \
    (UINTN)((This) + 1) + ((This)->NumEntries * sizeof (*(This)->Entries)) \
    )

Definition at line 56 of file PrelinkedInternal.h.

◆ GET_PRELINKED_KEXT_FROM_LINK

#define GET_PRELINKED_KEXT_FROM_LINK ( This )

Value:

  (CR (                                     \
    (This),                                 \
    PRELINKED_KEXT,                         \
    Link,                                   \
    PRELINKED_KEXT_SIGNATURE                \
    ))

Gets the next element in PrelinkedKexts list of PRELINKED_KEXT.

Parameters

[in] This The current ListEntry.

Definition at line 153 of file PrelinkedInternal.h.

◆ KERNEL_ADDRESS_BASE

#define KERNEL_ADDRESS_BASE 0xFFFFFF8000000000ULL

Definition at line 286 of file PrelinkedInternal.h.

◆ KERNEL_ADDRESS_KEXT

#define KERNEL_ADDRESS_KEXT 0xFFFFFF7F00000000ULL

Definition at line 285 of file PrelinkedInternal.h.

◆ KERNEL_ADDRESS_MASK

#define KERNEL_ADDRESS_MASK 0xFFFFFFFF00000000ULL

Definition at line 284 of file PrelinkedInternal.h.

◆ KERNEL_FIXUP_OFFSET

#define KERNEL_FIXUP_OFFSET BASE_1MB

Definition at line 287 of file PrelinkedInternal.h.

◆ KEXT_OFFSET_STR_LEN

#define KEXT_OFFSET_STR_LEN 24

Definition at line 33 of file PrelinkedInternal.h.

◆ KXLD_ANY_NEXT

#define KXLD_ANY_NEXT	(		a,
			b )

Value:

((VOID *) (((UINTN)(b)) + ((a) ? sizeof ((b)->Kxld32) : sizeof ((b)->Kxld64))))

Definition at line 270 of file PrelinkedInternal.h.

◆ KXLD_WEAK_TEST_SYMBOL

#define KXLD_WEAK_TEST_SYMBOL "_gOSKextUnresolved"

Definition at line 268 of file PrelinkedInternal.h.

◆ MAX_KEXT_DEPEDENCIES

#define MAX_KEXT_DEPEDENCIES 16

Definition at line 28 of file PrelinkedInternal.h.

◆ OS_METACLASS_VTABLE_NAME

#define OS_METACLASS_VTABLE_NAME "__ZTV11OSMetaClass"

Definition at line 272 of file PrelinkedInternal.h.

◆ PRELINKED_KEXT_SIGNATURE

#define PRELINKED_KEXT_SIGNATURE SIGNATURE_32 ('P', 'K', 'X', 'T')

Definition at line 146 of file PrelinkedInternal.h.

◆ SYM_MAX_NAME_LEN

#define SYM_MAX_NAME_LEN 256U

Definition at line 276 of file PrelinkedInternal.h.

◆ VTABLE_ENTRY_SIZE_32

#define VTABLE_ENTRY_SIZE_32 4U

Definition at line 278 of file PrelinkedInternal.h.

◆ VTABLE_ENTRY_SIZE_64

#define VTABLE_ENTRY_SIZE_64 8U

Definition at line 279 of file PrelinkedInternal.h.

◆ VTABLE_ENTRY_SIZE_X

#define VTABLE_ENTRY_SIZE_X ( a )

Value:

((a) ? VTABLE_ENTRY_SIZE_32 : VTABLE_ENTRY_SIZE_64)

VTABLE_ENTRY_SIZE_32

#define VTABLE_ENTRY_SIZE_32

Definition PrelinkedInternal.h:278

VTABLE_ENTRY_SIZE_64

#define VTABLE_ENTRY_SIZE_64

Definition PrelinkedInternal.h:279

Definition at line 290 of file PrelinkedInternal.h.

◆ VTABLE_ENTRY_X

#define VTABLE_ENTRY_X	(	a,
		b,
		c )

Value:

((a) ? ((UINT32 *)(b))[(c)] : ((UINT64 *)(b))[(c)])

Definition at line 289 of file PrelinkedInternal.h.

◆ VTABLE_HEADER_LEN

#define VTABLE_HEADER_LEN 2U

Definition at line 280 of file PrelinkedInternal.h.

◆ VTABLE_HEADER_SIZE_32

#define VTABLE_HEADER_SIZE_32 (VTABLE_HEADER_LEN * VTABLE_ENTRY_SIZE_32)

Definition at line 281 of file PrelinkedInternal.h.

◆ VTABLE_HEADER_SIZE_64

#define VTABLE_HEADER_SIZE_64 (VTABLE_HEADER_LEN * VTABLE_ENTRY_SIZE_64)

Definition at line 282 of file PrelinkedInternal.h.

◆ VTABLE_HEADER_SIZE_X

#define VTABLE_HEADER_SIZE_X ( a )

Value:

((a) ? VTABLE_HEADER_SIZE_32 : VTABLE_HEADER_SIZE_64)

VTABLE_HEADER_SIZE_64

#define VTABLE_HEADER_SIZE_64

Definition PrelinkedInternal.h:282

VTABLE_HEADER_SIZE_32

#define VTABLE_HEADER_SIZE_32

Definition PrelinkedInternal.h:281

Definition at line 291 of file PrelinkedInternal.h.

◆ X86_64_RIP_RELATIVE_LIMIT

#define X86_64_RIP_RELATIVE_LIMIT 0x80000000ULL

Definition at line 274 of file PrelinkedInternal.h.

Typedef Documentation

◆ PRELINKED_KEXT

typedef struct PRELINKED_KEXT_ PRELINKED_KEXT

Definition at line 40 of file PrelinkedInternal.h.

Enumeration Type Documentation

◆ OC_GET_SYMBOL_LEVEL

enum OC_GET_SYMBOL_LEVEL

Enumerator
OcGetSymbolAnyLevel
OcGetSymbolFirstLevel
OcGetSymbolOnlyCxx

Definition at line 403 of file PrelinkedInternal.h.

◆ OC_GET_SYMBOL_TYPE

enum OC_GET_SYMBOL_TYPE

Enumerator
OcGetSymbolByName
OcGetSymbolByValue

Definition at line 398 of file PrelinkedInternal.h.

◆ OC_KEXT_VERSION_STAGE

enum OC_KEXT_VERSION_STAGE

Enumerator
OcKextVersionStageDevelopment
OcKextVersionStageAlpha
OcKextVersionStageBeta
OcKextVersionStageCandidate
OcKextVersionStageRelease

Definition at line 304 of file PrelinkedInternal.h.

Function Documentation

◆ InternalCachedPrelinkedKernel()

PRELINKED_KEXT * InternalCachedPrelinkedKernel ( IN OUT PRELINKED_CONTEXT * Prelinked )

Gets cached kernel PRELINKED_KEXT from PRELINKED_CONTEXT.

Definition at line 797 of file PrelinkedKext.c.

◆ InternalCachedPrelinkedKext()

PRELINKED_KEXT * InternalCachedPrelinkedKext	(	IN OUT PRELINKED_CONTEXT *	Prelinked,
		IN CONST CHAR8 *	Identifier )

Gets cached PRELINKED_KEXT from PRELINKED_CONTEXT.

Definition at line 700 of file PrelinkedKext.c.

◆ InternalConnectExternalSymtab()

EFI_STATUS InternalConnectExternalSymtab	(	IN OUT OC_MACHO_CONTEXT *	Context,
		OUT OC_MACHO_CONTEXT *	InnerContext,
		IN UINT8 *	Buffer,
		IN UINT32	BufferSize,
		OUT BOOLEAN *KernelCollection	OPTIONAL )

Definition at line 134 of file PrelinkedContext.c.

◆ InternalCreateVtablesPrelinked()

VOID InternalCreateVtablesPrelinked	(	IN PRELINKED_CONTEXT *	Context,
		IN OUT PRELINKED_KEXT *	Kext,
		IN UINT32	NumVtables,
		IN CONST OC_PRELINKED_VTABLE_LOOKUP_ENTRY *	VtableLookups,
		OUT PRELINKED_VTABLE *	VtableBuffer )

Definition at line 235 of file Vtables.c.

◆ InternalDropCachedPrelinkedKext()

EFI_STATUS InternalDropCachedPrelinkedKext	(	IN OUT PRELINKED_CONTEXT *	Prelinked,
		IN CONST CHAR8 *	Identifier )

Drops cached PRELINKED_KEXT from PRELINKED_CONTEXT.

Definition at line 751 of file PrelinkedKext.c.

◆ InternalFreePrelinkedKext()

VOID InternalFreePrelinkedKext ( IN PRELINKED_KEXT * Kext )

Frees PRELINKED_KEXT.

Definition at line 682 of file PrelinkedKext.c.

◆ InternalGetOcVtableByName()

CONST PRELINKED_VTABLE * InternalGetOcVtableByName	(	IN PRELINKED_CONTEXT *	Context,
		IN PRELINKED_KEXT *	Kext,
		IN CONST CHAR8 *	Name )

Definition at line 75 of file Vtables.c.

◆ InternalGetVtableEntries()

BOOLEAN InternalGetVtableEntries	(	IN BOOLEAN	Is32Bit,
		IN CONST VOID *	VtableData,
		IN UINT32	MaxSize,
		OUT UINT32 *	NumEntries )

Definition at line 151 of file Vtables.c.

◆ InternalKxldSolveSymbol()

UINT64 InternalKxldSolveSymbol	(	IN BOOLEAN	Is32Bit,
		IN CONST VOID *	KxldState,
		IN UINT32	KxldStateSize,
		IN CONST CHAR8 *	Name )

Solve symbol through KXLD state.

Parameters

[in]	Is32Bit	KXLD is 32-bit.
[in]	KxldState	KXLD state.
[in]	KxldStateSize	KXLD state size.
[in]	Name	Symbol name.

Return values

Address	on success.
0	on failure.

Definition at line 579 of file KxldState.c.

◆ InternalKxldStateBuildLinkedSymbolTable()

EFI_STATUS InternalKxldStateBuildLinkedSymbolTable	(	IN OUT PRELINKED_KEXT *	Kext,
		IN PRELINKED_CONTEXT *	Context )

Build symbol table from KXLD state.

Parameters

[in,out]	Kext	Kext dependency.
[in]	Context	Prelinking context.

Return values

EFI_SUCCESS on success.

Definition at line 192 of file KxldState.c.

◆ InternalKxldStateBuildLinkedVtables()

EFI_STATUS InternalKxldStateBuildLinkedVtables	(	IN OUT PRELINKED_KEXT *	Kext,
		IN PRELINKED_CONTEXT *	Context )

Build virtual tables from KXLD state.

Parameters

[in,out]	Kext	Kext dependency.
[in]	Context	Prelinking context.

Return values

EFI_SUCCESS on success.

Definition at line 292 of file KxldState.c.

◆ InternalKxldStateRebuild()

EFI_STATUS InternalKxldStateRebuild ( IN OUT PRELINKED_CONTEXT * Context )

Update KXLD state in the resulting image.

Parameters

[in,out] Context Prelinking context.

Return values

EFI_SUCCESS on success.

Definition at line 459 of file KxldState.c.

◆ InternalLinkPrelinkedKext()

PRELINKED_KEXT * InternalLinkPrelinkedKext	(	IN OUT PRELINKED_CONTEXT *	Context,
		IN OUT OC_MACHO_CONTEXT *	Executable,
		IN XML_NODE *	PlistRoot,
		IN UINT64	LoadAddress,
		IN UINT64	KmodAddress,
		IN UINT64	FileOffset )

Link executable within current prelink context.

Parameters

[in,out]	Context	Prelinked context.
[in,out]	Executable	Kext executable copied to prelinked.
[in]	PlistRoot	Current kext info.plist.
[in]	LoadAddress	Kext load address.
[in]	KmodAddress	Kext kmod address.
[in]	FileOffset	The file offset of the first segment.

Returns: prelinked kext to be inserted into PRELINKED_CONTEXT.

Definition at line 1146 of file PrelinkedKext.c.

◆ InternalNewPrelinkedKext()

PRELINKED_KEXT * InternalNewPrelinkedKext	(	IN OC_MACHO_CONTEXT *	Context,
		IN XML_NODE *	KextPlist )

Creates new PRELINKED_KEXT from OC_MACHO_CONTEXT.

Definition at line 665 of file PrelinkedKext.c.

◆ InternalOcGetSymbolName()

CONST PRELINKED_KEXT_SYMBOL * InternalOcGetSymbolName	(	IN PRELINKED_CONTEXT *	Context,
		IN PRELINKED_KEXT *	Kext,
		IN CONST CHAR8 *	LookupValue,
		IN OC_GET_SYMBOL_LEVEL	SymbolLevel )

Definition at line 191 of file Link.c.

◆ InternalOcGetSymbolValue()

CONST PRELINKED_KEXT_SYMBOL * InternalOcGetSymbolValue	(	IN PRELINKED_CONTEXT *	Context,
		IN PRELINKED_KEXT *	Kext,
		IN UINT64	LookupValue,
		IN OC_GET_SYMBOL_LEVEL	SymbolLevel )

Definition at line 246 of file Link.c.

◆ InternalPatchByVtables()

BOOLEAN InternalPatchByVtables	(	IN PRELINKED_CONTEXT *	Context,
		IN OUT PRELINKED_KEXT *	Kext )

Definition at line 584 of file Vtables.c.

◆ InternalPrelinkKext()

EFI_STATUS InternalPrelinkKext	(	IN OUT PRELINKED_CONTEXT *	Context,
		IN PRELINKED_KEXT *	Kext,
		IN UINT64	LoadAddress,
		IN UINT64	FileOffset )

Prelinks the specified KEXT against the specified LoadAddress and the data of its dependencies.

Parameters

[in,out]	Context	Prelinking context.
[in]	Kext	KEXT prelinking context.
[in]	LoadAddress	The address this KEXT shall be linked against.
[in]	FileOffset	The file offset of the first segment.

Return values

Returned is whether the prelinking process has been successful. The state of the KEXT is undefined in case this routine fails.

Definition at line 1503 of file Link.c.

◆ InternalPrepareCreateVtablesPrelinked()

BOOLEAN InternalPrepareCreateVtablesPrelinked	(	IN PRELINKED_KEXT *	Kext,
		IN UINT32	MaxSize,
		OUT UINT32 *	NumVtables,
		OUT OC_PRELINKED_VTABLE_LOOKUP_ENTRY *	Vtables )

Definition at line 179 of file Vtables.c.

◆ InternalScanPrelinkedKext()

EFI_STATUS InternalScanPrelinkedKext	(	IN OUT PRELINKED_KEXT *	Kext,
		IN OUT PRELINKED_CONTEXT *	Context,
		IN BOOLEAN	Dependency )

Scan PRELINKED_KEXT for dependencies.

Definition at line 978 of file PrelinkedKext.c.

◆ InternalSolveSymbolValue()

VOID InternalSolveSymbolValue	(	IN BOOLEAN	Is32Bit,
		IN UINT64	Value,
		OUT MACH_NLIST_ANY *	Symbol )

Patches Symbol with Value and marks it as solved.

Parameters

[in]	Is32Bit	Symbol is 32-bit.
[in]	Value	The value to solve Symbol with.
[out]	Symbol	The symbol to solve.

Definition at line 294 of file Link.c.

◆ InternalUnlockContextKexts()

VOID InternalUnlockContextKexts ( IN PRELINKED_CONTEXT * Context )

Unlock all context dependency kexts by unsetting Processed flag.

Parameters

[in] Context Prelinked context.

Definition at line 1132 of file PrelinkedKext.c.

◆ STATIC_ASSERT() [1/2]

STATIC_ASSERT	(	((sizeof(MACH_NLIST_64 )+MAX((2 sizeof(UINT32)), sizeof(UINT64 *)))<=sizeof(MACH_NLIST_64))	,
		"VTable Patch data might not safely fit LinkBuffer"	)

◆ STATIC_ASSERT() [2/2]

STATIC_ASSERT	(	(sizeof(OC_PRELINKED_VTABLE_LOOKUP_ENTRY)<=sizeof(MACH_NLIST_64))	,
		"Prelinked VTable lookup data might not safely fit LinkBuffer"	)

Variable Documentation

◆ gKernelQuirks

KERNEL_QUIRK gKernelQuirks[]

extern

Definition at line 2951 of file CommonPatches.c.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ GET_INJECTED_KEXT_FROM_LINK

◆ GET_NEXT_OC_VTABLE_PATCH_ENTRY

◆ GET_NEXT_PRELINKED_VTABLE

◆ GET_PRELINKED_KEXT_FROM_LINK

◆ KERNEL_ADDRESS_BASE

◆ KERNEL_ADDRESS_KEXT

◆ KERNEL_ADDRESS_MASK

◆ KERNEL_FIXUP_OFFSET

◆ KEXT_OFFSET_STR_LEN

◆ KXLD_ANY_NEXT

◆ KXLD_WEAK_TEST_SYMBOL

◆ MAX_KEXT_DEPEDENCIES

◆ OS_METACLASS_VTABLE_NAME

◆ PRELINKED_KEXT_SIGNATURE

◆ SYM_MAX_NAME_LEN

◆ VTABLE_ENTRY_SIZE_32

◆ VTABLE_ENTRY_SIZE_64

◆ VTABLE_ENTRY_SIZE_X

◆ VTABLE_ENTRY_X

◆ VTABLE_HEADER_LEN

◆ VTABLE_HEADER_SIZE_32

◆ VTABLE_HEADER_SIZE_64

◆ VTABLE_HEADER_SIZE_X

◆ X86_64_RIP_RELATIVE_LIMIT

Typedef Documentation

◆ PRELINKED_KEXT

Enumeration Type Documentation

◆ OC_GET_SYMBOL_LEVEL

◆ OC_GET_SYMBOL_TYPE

◆ OC_KEXT_VERSION_STAGE

Function Documentation

◆ InternalCachedPrelinkedKernel()

◆ InternalCachedPrelinkedKext()

◆ InternalConnectExternalSymtab()

◆ InternalCreateVtablesPrelinked()

◆ InternalDropCachedPrelinkedKext()

◆ InternalFreePrelinkedKext()

◆ InternalGetOcVtableByName()

◆ InternalGetVtableEntries()

◆ InternalKxldSolveSymbol()

◆ InternalKxldStateBuildLinkedSymbolTable()

◆ InternalKxldStateBuildLinkedVtables()

◆ InternalKxldStateRebuild()

◆ InternalLinkPrelinkedKext()

◆ InternalNewPrelinkedKext()

◆ InternalOcGetSymbolName()

◆ InternalOcGetSymbolValue()

◆ InternalPatchByVtables()

◆ InternalPrelinkKext()

◆ InternalPrepareCreateVtablesPrelinked()

◆ InternalScanPrelinkedKext()

◆ InternalSolveSymbolValue()

◆ InternalUnlockContextKexts()

◆ STATIC_ASSERT() [1/2]

◆ STATIC_ASSERT() [2/2]

Variable Documentation

◆ gKernelQuirks