mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-19 15:37:40 +01:00
56ad0e511a
Signed-off-by: SergeySlice <sergey.slice@gmail.com>
812 lines
20 KiB
C
812 lines
20 KiB
C
/** @file
|
|
Provides Mach-O parsing helper functions.
|
|
|
|
Copyright (c) 2016 - 2018, Download-Fritz. All rights reserved.<BR>
|
|
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 OC_MACHO_LIB_H_
|
|
#define OC_MACHO_LIB_H_
|
|
|
|
#include <IndustryStandard/AppleMachoImage.h>
|
|
|
|
///
|
|
/// Default assumed page size.
|
|
///
|
|
#define MACHO_PAGE_SIZE 4096U
|
|
|
|
///
|
|
/// Macro to align by default assumed page size.
|
|
///
|
|
#define MACHO_ALIGN(x) ALIGN_VALUE((x), MACHO_PAGE_SIZE)
|
|
|
|
///
|
|
/// Context used to refer to a Mach-O. This struct is exposed for reference
|
|
/// only. Members are not guaranteed to be sane.
|
|
///
|
|
typedef struct {
|
|
MACH_HEADER_64 *MachHeader;
|
|
UINT32 FileSize;
|
|
UINT32 ContainerOffset;
|
|
MACH_SYMTAB_COMMAND *Symtab;
|
|
MACH_NLIST_64 *SymbolTable;
|
|
CHAR8 *StringTable;
|
|
MACH_DYSYMTAB_COMMAND *DySymtab;
|
|
MACH_NLIST_64 *IndirectSymbolTable;
|
|
MACH_RELOCATION_INFO *LocalRelocations;
|
|
MACH_RELOCATION_INFO *ExternRelocations;
|
|
} OC_MACHO_CONTEXT;
|
|
|
|
/**
|
|
Initializes a Mach-O Context.
|
|
|
|
@param[out] Context Mach-O Context to initialize.
|
|
@param[in] FileData Pointer to the file's expected Mach-O header.
|
|
@param[in] FileSize File size of FileData.
|
|
@param[in] ContainerOffset The amount of Bytes the Mach-O header is offset
|
|
from the base (container, e.g. KC) of the file.
|
|
|
|
@return Whether Context has been initialized successfully.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoInitializeContext (
|
|
OUT OC_MACHO_CONTEXT *Context,
|
|
IN VOID *FileData,
|
|
IN UINT32 FileSize,
|
|
IN UINT32 ContainerOffset
|
|
);
|
|
|
|
/**
|
|
Returns the Mach-O Header structure.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
|
|
**/
|
|
MACH_HEADER_64 *
|
|
MachoGetMachHeader64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context
|
|
);
|
|
|
|
/**
|
|
Returns the Mach-O's file size.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
|
|
**/
|
|
UINT32
|
|
MachoGetFileSize (
|
|
IN OUT OC_MACHO_CONTEXT *Context
|
|
);
|
|
|
|
/**
|
|
Returns the Mach-O's virtual address space size.
|
|
|
|
@param[out] Context Context of the Mach-O.
|
|
|
|
**/
|
|
UINT32
|
|
MachoGetVmSize64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context
|
|
);
|
|
|
|
/**
|
|
Returns the last virtual address of a Mach-O.
|
|
|
|
@param[in] Context Context of the Mach-O.
|
|
|
|
@retval 0 The binary is malformed.
|
|
|
|
**/
|
|
UINT64
|
|
MachoGetLastAddress64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context
|
|
);
|
|
|
|
/**
|
|
Retrieves the first UUID Load Command.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
|
|
@retval NULL NULL is returned on failure.
|
|
|
|
**/
|
|
MACH_UUID_COMMAND *
|
|
MachoGetUuid64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context
|
|
);
|
|
|
|
/**
|
|
Retrieves the first segment by the name of SegmentName.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] SegmentName Segment name to search for.
|
|
|
|
@retval NULL NULL is returned on failure.
|
|
|
|
**/
|
|
MACH_SEGMENT_COMMAND_64 *
|
|
MachoGetSegmentByName64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST CHAR8 *SegmentName
|
|
);
|
|
|
|
/**
|
|
Retrieves the first section by the name of SectionName.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Segment Segment to search in.
|
|
@param[in] SectionName Section name to search for.
|
|
|
|
@retval NULL NULL is returned on failure.
|
|
|
|
**/
|
|
MACH_SECTION_64 *
|
|
MachoGetSectionByName64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN MACH_SEGMENT_COMMAND_64 *Segment,
|
|
IN CONST CHAR8 *SectionName
|
|
);
|
|
|
|
/**
|
|
Retrieves a section within a segment by the name of SegmentName.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] SegmentName The name of the segment to search in.
|
|
@param[in] SectionName The name of the section to search for.
|
|
|
|
@retval NULL NULL is returned on failure.
|
|
|
|
**/
|
|
MACH_SECTION_64 *
|
|
MachoGetSegmentSectionByName64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST CHAR8 *SegmentName,
|
|
IN CONST CHAR8 *SectionName
|
|
);
|
|
|
|
/**
|
|
Retrieves the next segment.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Segment Segment to retrieve the successor of.
|
|
if NULL, the first segment is returned.
|
|
|
|
@retal NULL NULL is returned on failure.
|
|
|
|
**/
|
|
MACH_SEGMENT_COMMAND_64 *
|
|
MachoGetNextSegment64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST MACH_SEGMENT_COMMAND_64 *Segment OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Retrieves the next section of a segment.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Segment The segment to get the section of.
|
|
@param[in] Section The section to get the successor of.
|
|
|
|
@retval NULL NULL is returned on failure.
|
|
|
|
**/
|
|
MACH_SECTION_64 *
|
|
MachoGetNextSection64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN MACH_SEGMENT_COMMAND_64 *Segment,
|
|
IN MACH_SECTION_64 *Section OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Retrieves a section by its index.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Index Index of the section to retrieve.
|
|
|
|
@retval NULL NULL is returned on failure.
|
|
|
|
**/
|
|
MACH_SECTION_64 *
|
|
MachoGetSectionByIndex64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN UINT32 Index
|
|
);
|
|
|
|
/**
|
|
Retrieves a section by its address.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Address Address of the section to retrieve.
|
|
|
|
@retval NULL NULL is returned on failure.
|
|
|
|
**/
|
|
MACH_SECTION_64 *
|
|
MachoGetSectionByAddress64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN UINT64 Address
|
|
);
|
|
|
|
/**
|
|
Merge Mach-O segments into one with lowest protection.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Prefix Segment prefix to merge.
|
|
|
|
@retval TRUE on success
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoMergeSegments64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST CHAR8 *Prefix
|
|
);
|
|
|
|
/**
|
|
Returns whether Symbol describes a section.
|
|
|
|
@param[in] Symbol Symbol to evaluate.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoSymbolIsSection (
|
|
IN CONST MACH_NLIST_64 *Symbol
|
|
);
|
|
|
|
/**
|
|
Returns whether Symbol is defined.
|
|
|
|
@param[in] Symbol Symbol to evaluate.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoSymbolIsDefined (
|
|
IN CONST MACH_NLIST_64 *Symbol
|
|
);
|
|
|
|
/**
|
|
Returns whether Symbol is defined locally.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Symbol Symbol to evaluate.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoSymbolIsLocalDefined (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST MACH_NLIST_64 *Symbol
|
|
);
|
|
|
|
/**
|
|
Retrieves a locally defined symbol by its name.
|
|
|
|
@param[in] Context Context of the Mach-O.
|
|
@param[in] Name Name of the symbol to locate.
|
|
|
|
**/
|
|
MACH_NLIST_64 *
|
|
MachoGetLocalDefinedSymbolByName (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST CHAR8 *Name
|
|
);
|
|
|
|
/**
|
|
Retrieves a symbol by its index.
|
|
|
|
@param[in] Context Context of the Mach-O.
|
|
@param[in] Index Index of the symbol to locate.
|
|
|
|
@retval NULL NULL is returned on failure.
|
|
|
|
**/
|
|
MACH_NLIST_64 *
|
|
MachoGetSymbolByIndex64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN UINT32 Index
|
|
);
|
|
|
|
/**
|
|
Retrieves Symbol's name.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Symbol Symbol to retrieve the name of.
|
|
|
|
@retval symbol name.
|
|
|
|
**/
|
|
CONST CHAR8 *
|
|
MachoGetSymbolName64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST MACH_NLIST_64 *Symbol
|
|
);
|
|
|
|
/**
|
|
Retrieves Symbol's name.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Symbol Indirect symbol to retrieve the name of.
|
|
|
|
@retval NULL NULL is returned on failure.
|
|
|
|
**/
|
|
CONST CHAR8 *
|
|
MachoGetIndirectSymbolName64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST MACH_NLIST_64 *Symbol
|
|
);
|
|
|
|
/**
|
|
Returns whether the symbol's value is a valid address within the Mach-O
|
|
referenced to by Context.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Symbol Symbol to verify the value of.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoIsSymbolValueInRange64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST MACH_NLIST_64 *Symbol
|
|
);
|
|
|
|
/**
|
|
Retrieves the symbol referenced by the Relocation targeting Address.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Address Address to search for.
|
|
@param[out] Symbol Buffer to output the symbol referenced by the
|
|
Relocation into. The output is undefined when FALSE
|
|
is returned. May be NULL.
|
|
|
|
@returns Whether the Relocation exists.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoGetSymbolByRelocationOffset64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN UINT64 Address,
|
|
OUT MACH_NLIST_64 **Symbol
|
|
);
|
|
|
|
/**
|
|
Retrieves the symbol referenced by the extern Relocation targeting Address.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Address Address to search for.
|
|
@param[out] Symbol Buffer to output the symbol referenced by the
|
|
Relocation into. The output is undefined when FALSE
|
|
is returned. May be NULL.
|
|
|
|
@returns Whether the Relocation exists.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoGetSymbolByExternRelocationOffset64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN UINT64 Address,
|
|
OUT MACH_NLIST_64 **Symbol
|
|
);
|
|
|
|
/**
|
|
Relocate Symbol to be against LinkAddress.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] LinkAddress The address to be linked against.
|
|
@param[in,out] Symbol The symbol to be relocated.
|
|
|
|
@returns Whether the operation has been completed successfully.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoRelocateSymbol64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN UINT64 LinkAddress,
|
|
IN OUT MACH_NLIST_64 *Symbol
|
|
);
|
|
|
|
/**
|
|
Retrieves the Mach-O file offset of the address pointed to by Symbol.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Symbol Symbol to retrieve the offset of.
|
|
@param[out] FileOffset Pointer the file offset is returned into.
|
|
If FALSE is returned, the output is undefined.
|
|
@param[out] MaxSize Maximum data safely available from FileOffset.
|
|
|
|
@retval 0 0 is returned on failure.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoSymbolGetFileOffset64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST MACH_NLIST_64 *Symbol,
|
|
OUT UINT32 *FileOffset,
|
|
OUT UINT32 *MaxSize OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Returns whether Name is pure virtual.
|
|
|
|
@param[in] Name The name to evaluate.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoSymbolNameIsPureVirtual (
|
|
IN CONST CHAR8 *Name
|
|
);
|
|
|
|
/**
|
|
Returns whether Name is a Padslot.
|
|
|
|
@param[in] Name The name to evaluate.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoSymbolNameIsPadslot (
|
|
IN CONST CHAR8 *Name
|
|
);
|
|
|
|
/**
|
|
Returns whether SymbolName defines a Super Metaclass Pointer.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] SymbolName The symbol name to check.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoSymbolNameIsSmcp64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST CHAR8 *SymbolName
|
|
);
|
|
|
|
/**
|
|
Returns whether SymbolName defines a Super Metaclass Pointer.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] SymbolName The symbol name to check.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoSymbolNameIsMetaclassPointer64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST CHAR8 *SymbolName
|
|
);
|
|
|
|
/**
|
|
Retrieves the class name of a Super Meta Class Pointer.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] SmcpName SMCP Symbol name to get the class name of.
|
|
@param[in] ClassNameSize The size of ClassName.
|
|
@param[out] ClassName The output buffer for the class name.
|
|
|
|
@returns Whether the name has been retrieved successfully.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoGetClassNameFromSuperMetaClassPointer (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST CHAR8 *SmcpName,
|
|
IN UINTN ClassNameSize,
|
|
OUT CHAR8 *ClassName
|
|
);
|
|
|
|
/**
|
|
Retrieves the class name of a VTable.
|
|
|
|
@param[out] VtableName The VTable's name.
|
|
|
|
**/
|
|
CONST CHAR8 *
|
|
MachoGetClassNameFromVtableName (
|
|
IN CONST CHAR8 *VtableName
|
|
);
|
|
|
|
/**
|
|
Retrieves the function prefix of a class name.
|
|
|
|
@param[in] ClassName The class name to evaluate.
|
|
@param[in] FunctionPrefixSize The size of FunctionPrefix.
|
|
@param[out] FunctionPrefix The output buffer for the function prefix.
|
|
|
|
@returns Whether the name has been retrieved successfully.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoGetFunctionPrefixFromClassName (
|
|
IN CONST CHAR8 *ClassName,
|
|
IN UINTN FunctionPrefixSize,
|
|
OUT CHAR8 *FunctionPrefix
|
|
);
|
|
|
|
/**
|
|
Retrieves the class name of a Meta Class Pointer.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] MetaClassName MCP Symbol name to get the class name of.
|
|
@param[in] ClassNameSize The size of ClassName.
|
|
@param[out] ClassName The output buffer for the class name.
|
|
|
|
@returns Whether the name has been retrieved successfully.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoGetClassNameFromMetaClassPointer (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST CHAR8 *MetaClassName,
|
|
IN UINTN ClassNameSize,
|
|
OUT CHAR8 *ClassName
|
|
);
|
|
|
|
/**
|
|
Retrieves the VTable name of a class name.
|
|
|
|
@param[in] ClassName Class name to get the VTable name of.
|
|
@param[in] VtableNameSize The size of VtableName.
|
|
@param[out] VtableName The output buffer for the VTable name.
|
|
|
|
@returns Whether the name has been retrieved successfully.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoGetVtableNameFromClassName (
|
|
IN CONST CHAR8 *ClassName,
|
|
IN UINTN VtableNameSize,
|
|
OUT CHAR8 *VtableName
|
|
);
|
|
|
|
/**
|
|
Retrieves the Meta VTable name of a class name.
|
|
|
|
@param[in] ClassName Class name to get the Meta VTable name of.
|
|
@param[in] VtableNameSize The size of VtableName.
|
|
@param[out] VtableName The output buffer for the VTable name.
|
|
|
|
@returns Whether the name has been retrieved successfully.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoGetMetaVtableNameFromClassName (
|
|
IN CONST CHAR8 *ClassName,
|
|
IN UINTN VtableNameSize,
|
|
OUT CHAR8 *VtableName
|
|
);
|
|
|
|
/**
|
|
Retrieves the final symbol name of a class name.
|
|
|
|
@param[in] ClassName Class name to get the final symbol name of.
|
|
@param[in] FinalSymbolNameSize The size of FinalSymbolName.
|
|
@param[out] FinalSymbolName The output buffer for the final symbol name.
|
|
|
|
@returns Whether the name has been retrieved successfully.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoGetFinalSymbolNameFromClassName (
|
|
IN CONST CHAR8 *ClassName,
|
|
IN UINTN FinalSymbolNameSize,
|
|
OUT CHAR8 *FinalSymbolName
|
|
);
|
|
|
|
/**
|
|
Returns whether SymbolName defines a VTable.
|
|
|
|
@param[in] SymbolName The symbol name to check.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoSymbolNameIsVtable64 (
|
|
IN CONST CHAR8 *SymbolName
|
|
);
|
|
|
|
/**
|
|
Returns whether the symbol name describes a C++ symbol.
|
|
|
|
@param[in] Name The name to evaluate.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoSymbolNameIsCxx (
|
|
IN CONST CHAR8 *Name
|
|
);
|
|
|
|
/**
|
|
Retrieves Metaclass symbol of a SMCP.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Smcp The SMCP to evaluate.
|
|
|
|
@retval NULL NULL is returned on failure.
|
|
|
|
**/
|
|
MACH_NLIST_64 *
|
|
MachoGetMetaclassSymbolFromSmcpSymbol64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST MACH_NLIST_64 *Smcp
|
|
);
|
|
|
|
/**
|
|
Retrieves VTable and Meta VTable of a SMCP.
|
|
Logically matches XNU's get_vtable_syms_from_smcp.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] SmcpName SMCP Symbol mame to retrieve the VTables from.
|
|
@param[out] Vtable Output buffer for the VTable symbol pointer.
|
|
@param[out] MetaVtable Output buffer for the Meta VTable symbol pointer.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoGetVtableSymbolsFromSmcp64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN CONST CHAR8 *SmcpName,
|
|
OUT CONST MACH_NLIST_64 **Vtable,
|
|
OUT CONST MACH_NLIST_64 **MetaVtable
|
|
);
|
|
|
|
/**
|
|
Returns whether the Relocation's type indicates a Pair for the Intel 64
|
|
platform.
|
|
|
|
@param[in] Type The Relocation's type to verify.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoRelocationIsPairIntel64 (
|
|
IN UINT8 Type
|
|
);
|
|
|
|
/**
|
|
Returns whether the Relocation's type matches a Pair's for the Intel 64
|
|
platform.
|
|
|
|
@param[in] Type The Relocation's type to verify.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoIsRelocationPairTypeIntel64 (
|
|
IN UINT8 Type
|
|
);
|
|
|
|
/**
|
|
Returns whether the Relocation shall be preserved for the Intel 64 platform.
|
|
|
|
@param[in] Type The Relocation's type to verify.
|
|
|
|
**/
|
|
BOOLEAN
|
|
MachoPreserveRelocationIntel64 (
|
|
IN UINT8 Type
|
|
);
|
|
|
|
/*
|
|
Initialises Context with the symbol tables of SymsContext.
|
|
|
|
@param[in,out] Context The context to initialise the symbol info of.
|
|
@param[in] SymsContext The context to retrieve the symbol tables from.
|
|
|
|
@returns Whether the operation was successful.
|
|
*/
|
|
BOOLEAN
|
|
MachoInitialiseSymtabsExternal64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN OC_MACHO_CONTEXT *SymsContext
|
|
);
|
|
|
|
/**
|
|
Obtain symbol tables.
|
|
|
|
@param[in] Context Context of the Mach-O.
|
|
@param[out] SymbolTable Symbol table.
|
|
@param[out] StringTable String table for that symbol table.
|
|
@param[out] LocalSymbols Local symbol table.
|
|
@param[out] NumLocalSymbols Number of symbols in local symbol table.
|
|
@param[out] ExternalSymbols External symbol table.
|
|
@param[out] NumExternalSymbols Number of symbols in external symbol table.
|
|
@param[out] UndefinedSymbols Undefined symbol table.
|
|
@param[out] NumUndefinedSymbols Number of symbols in undefined symbol table.
|
|
|
|
@return number of symbols in symbol table or 0.
|
|
**/
|
|
UINT32
|
|
MachoGetSymbolTable (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
OUT CONST MACH_NLIST_64 **SymbolTable,
|
|
OUT CONST CHAR8 **StringTable OPTIONAL,
|
|
OUT CONST MACH_NLIST_64 **LocalSymbols OPTIONAL,
|
|
OUT UINT32 *NumLocalSymbols OPTIONAL,
|
|
OUT CONST MACH_NLIST_64 **ExternalSymbols OPTIONAL,
|
|
OUT UINT32 *NumExternalSymbols OPTIONAL,
|
|
OUT CONST MACH_NLIST_64 **UndefinedSymbols OPTIONAL,
|
|
OUT UINT32 *NumUndefinedSymbols OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Obtain indirect symbol table.
|
|
|
|
@param[in] Context Context of the Mach-O.
|
|
@param[in,out] SymbolTable Indirect symbol table.
|
|
|
|
@return number of symbols in indirect symbol table or 0.
|
|
**/
|
|
UINT32
|
|
MachoGetIndirectSymbolTable (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
OUT CONST MACH_NLIST_64 **SymbolTable
|
|
);
|
|
|
|
/**
|
|
Returns a pointer to the Mach-O file at the specified virtual address.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] Address Virtual address to look up.
|
|
@param[out] MaxSize Maximum data safely available from FileOffset.
|
|
If NULL is returned, the output is undefined.
|
|
|
|
**/
|
|
VOID *
|
|
MachoGetFilePointerByAddress64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN UINT64 Address,
|
|
OUT UINT32 *MaxSize OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Expand Mach-O image to Destination (make segment file sizes equal to vm sizes).
|
|
|
|
@param[in] Context Context of the Mach-O.
|
|
@param[out] Destination Output buffer.
|
|
@param[in] DestinationSize Output buffer maximum size.
|
|
@param[in] Strip Output with stripped prelink commands.
|
|
|
|
@returns New image size or 0 on failure.
|
|
|
|
**/
|
|
UINT32
|
|
MachoExpandImage64 (
|
|
IN OC_MACHO_CONTEXT *Context,
|
|
OUT UINT8 *Destination,
|
|
IN UINT32 DestinationSize,
|
|
IN BOOLEAN Strip
|
|
);
|
|
|
|
/**
|
|
Find Mach-O entry point from LC_UNIXTHREAD loader command.
|
|
This command does not verify Mach-O and assumes it is valid.
|
|
|
|
@param[in] Image Loaded Mach-O image.
|
|
|
|
@returns Entry point or 0.
|
|
**/
|
|
UINT64
|
|
MachoRuntimeGetEntryAddress (
|
|
IN VOID *Image
|
|
);
|
|
|
|
/**
|
|
Retrieves the next Load Command of type LoadCommandType.
|
|
|
|
@param[in,out] Context Context of the Mach-O.
|
|
@param[in] LoadCommandType Type of the Load Command to retrieve.
|
|
@param[in] LoadCommand Previous Load Command.
|
|
If NULL, the first match is returned.
|
|
|
|
@retval NULL NULL is returned on failure.
|
|
**/
|
|
MACH_LOAD_COMMAND *
|
|
MachoGetNextCommand64 (
|
|
IN OUT OC_MACHO_CONTEXT *Context,
|
|
IN MACH_LOAD_COMMAND_TYPE LoadCommandType,
|
|
IN CONST MACH_LOAD_COMMAND *LoadCommand OPTIONAL
|
|
);
|
|
|
|
#endif // OC_MACHO_LIB_H
|