Package ghidra.app.util.bin.format.golang

Class GoFunctionFixup

java.lang.Object

ghidra.app.util.bin.format.golang.GoFunctionFixup

public class GoFunctionFixup
extends Object

Utility class that fixes golang function parameter storage using each function's current parameter list (formal info only) as starting information. TODO: verify GoFuncData.argsize property against what we calculate here

Constructor Summary

Constructors

Change	Constructor	Description
	GoFunctionFixup(Function func, GoVer goVersion)
	GoFunctionFixup(Function func, FunctionSignature newSignature, String newCallingConv, GoParamStorageAllocator storageAllocator)

Method Summary

Change	Modifier and Type	Method	Description
NEW	void	apply()
NEW	static boolean	isClosureContext(ParameterDefinition p)
NEW	static boolean	isClosureContext(Parameter p)
	static DataType	makeEmptyArrayDataType(DataType dt)	Returns a Ghidra data type that represents a zero-length array, to be used as a replacement for a zero-length array parameter.
	static void	reverseNonStackStorageLocations(List<Varnode> varnodes)	Invert the order of the any register storage locations to match the decompiler's logic for assigning storage to structs that varies on endianness.
REMOVED	void	fixupFunction(Function func)	Removed
REMOVED	void	fixupFunction(Function func, GoVer goVersion)	Removed
REMOVED	boolean	isGolangAbi0Func(Function func)	Removed
REMOVED	boolean	isInLocalVarStorageArea(Function func, long stackOffset)	Removed

Methods inherited from class java.lang.Object

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

Constructor Details

GoFunctionFixup

public GoFunctionFixup(Function func,
 GoVer goVersion)

GoFunctionFixup

public GoFunctionFixup(Function func,
 FunctionSignature newSignature,
 String newCallingConv,
 GoParamStorageAllocator storageAllocator)

Method Details

isClosureContext NEW

public static boolean isClosureContext(ParameterDefinition p)

isClosureContext NEW

public static boolean isClosureContext(Parameter p)

apply NEW

public void apply()
           throws DuplicateNameException,
InvalidInputException

Throws:

DuplicateNameException

InvalidInputException

makeEmptyArrayDataType

public static DataType makeEmptyArrayDataType(DataType dt)

Returns a Ghidra data type that represents a zero-length array, to be used as a replacement for a zero-length array parameter.

Parameters:

dt - data type that will donate its name to the created empty array type

Returns:

DataType that represents a specific zero-length array type

reverseNonStackStorageLocations

public static void reverseNonStackStorageLocations(List<Varnode> varnodes)

Invert the order of the any register storage locations to match the decompiler's logic for assigning storage to structs that varies on endianness.

Only valid for storage scheme that has all register storages listed first / contiguous.

Parameters:

varnodes - list of varnodes that will be modified in-place