Package ghidra.app.util.bin.format.macho.commands.chained

Class DyldChainedFixups

java.lang.Object

ghidra.app.util.bin.format.macho.commands.chained.DyldChainedFixups

public class DyldChainedFixups
extends Object

Constructor Summary

Constructors

Constructor	Description
DyldChainedFixups(Program program, MachHeader header, List<String> libraryPaths, MessageLog log, TaskMonitor monitor)	Creates a new DyldChainedFixups

Method Summary

Modifier and Type	Method	Description
List<Address>	processChainedFixups()	Fixes up any chained fixups.
void	processPointerChain(DyldChainedImports chainedImports, List<Address> unchainedLocList, DyldChainedPtr.DyldChainType pointerFormat, long page, long nextOff, long auth_value_add)	Fixes up any chained pointers, starting at the given address.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DyldChainedFixups

public DyldChainedFixups(Program program,
 MachHeader header,
 List<String> libraryPaths,
 MessageLog log,
 TaskMonitor monitor)

Creates a new DyldChainedFixups

Parameters:

program - The Program

header - The Mach-O header

libraryPaths - A List of the library paths

log - The log

monitor - A cancelable task monitor.

Method Details

processChainedFixups

public List<Address> processChainedFixups()
                                   throws Exception

Fixes up any chained fixups. Relies on the __thread_starts section being present.

Returns:

A list of addresses where chained fixups were performed.

Throws:

Exception - if there was a problem reading/writing memory.

processPointerChain

public void processPointerChain(DyldChainedImports chainedImports,
 List<Address> unchainedLocList,
 DyldChainedPtr.DyldChainType pointerFormat,
 long page,
 long nextOff,
 long auth_value_add)
                         throws MemoryAccessException,
CancelledException

Fixes up any chained pointers, starting at the given address.

Parameters:

chainedImports - chained imports (could be null)

unchainedLocList - list of locations that were unchained

pointerFormat - format of pointers within this chain

page - within data pages that has pointers to be unchained

nextOff - offset within the page that is the chain start

auth_value_add - value to be added to each chain pointer

Throws:

MemoryAccessException - IO problem reading file

CancelledException - user cancels