IEGroup

Class Overview

This IR represents a group of variables or slices of variables. All elements must have the same bitsize.

Groups are immutable.

Summary

[Expand] Inherited Methods
From interface com.pnfsoftware.jeb.core.units.code.IInstructionOperand abstract String format(IInstruction insn, long address) Format the operand, assuming it is used by an instruction at the provided address.
From interface com.pnfsoftware.jeb.core.units.code.asm.decompiler.ir.IEGeneric abstract boolean accessesMemory() Determine whether this IRE accesses memory. abstract boolean addFlags(int addedFlags) Add flags to this IRE's flags list. abstract IECompose asCompose() abstract IECond asCond() abstract IEGroup asGroup() abstract IEGroupElt asGroupElt() abstract IEImm asImm() abstract IEMem asMem() abstract IEOperation asOperation() abstract IERange asRange() abstract IESlice asSlice() abstract IEStatement asStatement() abstract IEVar asVar() abstract IEGeneric bit(int pos) Retrieve a one bit value at the pos position abstract void collectSubExpressions(Collection<IEGeneric> sink) Perform a shallow collection of the sub-expressions of this expression. abstract void copyProperties(IEGeneric srcExp) Copy the base properties from the provided IR source expression to this expression. abstract IECond countSuccessiveBits(boolean ones, boolean fromMsb, int bitsize) Count successive bits in an integer, starting from MSB or LSB. abstract IEGeneric duplicate() Clone (deep copy) the expression. abstract boolean equalsEx(Object obj, boolean includeType) Same as #equals(Object) with the possibility to exclude the type from the comparison. abstract IEImm evaluate(EState state) Evaluate the IRE. abstract long evaluateAddress(EState state) Evaluate the IRE as a 64-bit address.@return abstract long evaluateUnsignedLong(EState state) Evaluate the IRE as an unsigned long value. abstract boolean examine(Predicate<IEGeneric> tester) Visit the constituents of this expression, and check if one of them is passing the provided test. abstract Couple<IEGeneric, IEGeneric> find(IEGeneric elt, int start, int comparisonMethod, IEGeneric thisParent) Find the parent of the the provided child element. abstract <T extends IEGeneric> T findByType(Class<T> clazz, int start) Find a child element by type. abstract <T extends IEGeneric> T findByType(Class<T> clazz) Find the first child element by type. abstract IEGeneric findParent(IEGeneric elt, int start) Find the parent of the the provided child element. abstract IEGeneric findParent(IEGeneric elt) Find the parent of the first instance of the provided child element. abstract ICElement generateC(IERoutineContext ectx, ICMethod cctx) Generate the C abstract syntax tree portion for this expression. abstract int getBitsize() Get the size, in bits, of the IR expression. abstract void getDefinedOrUsedAsDestination(EDefUseInfo defuse) For non-statements only. abstract void getExplicitlyUsed(EDefUseInfo defuse) Get a list of variable or variable bits 'explicitly used' (read) by the instruction. abstract IdRanges getExplicitlyUsed() Convenience method around getExplicitlyUsed(EDefUseInfo). abstract int getFlags() Get the expression flags. abstract int getPriority() Get the base priority level of the expression. abstract IWildcardType getSafeType(IWildcardTypeManager etypeman) Generate a safe wildcard type for the expression, if it doesn't already have one. abstract void getSubExpressions(List<IEGeneric> list) This method is deprecated. use collectSubExpressions(Collection) instead abstract IWildcardType getType() Get the currently set intermediate-type. abstract IdRanges getUsed() Convenience method to invoke getUsed(EDefUseInfo). abstract void getUsed(EDefUseInfo defuse) Retrieve the variables or variable bits 'used' (read) by the instruction. abstract IEGeneric half() Retrieve the lower half-part of this IRE. abstract boolean hasFlags(int checkedFlags) Check if this IRE contains the provided flags. abstract boolean isCompose() abstract boolean isCond() abstract boolean isGroup() abstract boolean isGroupElt() abstract boolean isImm() abstract boolean isMem() abstract boolean isOperation(String name) abstract boolean isOperation() abstract boolean isOperation(OperationType... candidateOps) abstract boolean isOperation(OperationType expectedOp) abstract boolean isRange() abstract boolean isSlice() abstract boolean isSlice(int wantedStart, int wantedEnd) abstract boolean isStatement() abstract boolean isVar() abstract boolean isVar(int wantedVarId) abstract IEGeneric leftShift(int shift) left shift of an expression abstract IEGeneric leftShift(int shift, int bitsize) left shift of an expression, with an optional slice(int, int) abstract IEGeneric lsb() Return the least significant bit (lsb) of an expression. abstract IEGeneric msb() Return the most significant bit (msb) of an expression. abstract IEGeneric part(int cnt) Equivalent to slice(0, cnt) abstract void removeFlags(int removedFlags) Remove flags from this IRE's flags list. abstract boolean replaceSubExpression(IEGeneric oldExp, IEGeneric newExp) Shallow replacement, by reference. abstract int replaceVar(IEVar var, IEGeneric repl) Deep replace. abstract IEGeneric rightShift(int shift) right shift of an expression abstract IEGeneric rightShift(int shift, int bitsize) right shift of an expression, with an optional slice(int, int) abstract IWildcardType safelyType(IWildcardTypeManager etypeman) Generate and assign a safe wildcard type to the expression if it doesn't already have one. abstract void setFlags(int newFlags) Set the expression's flags. abstract boolean setType(IWildcardType newType, ETypeInfo ti, boolean forceUpdate) Set a pre-propagation intermediate-type. abstract boolean setType(IWildcardType newType, ETypeInfo ti) Set a pre-propagation intermediate-type. abstract boolean setType(IWildcardType type) Set a pre-propagation intermediate-type. abstract IEGeneric signExtend(int newBitsize) Sign extend the current IEGeneric. abstract IEGeneric slice(IERange r) Slice of an IEGeneric. abstract IEGeneric slice(int begin) Equivalent to slice(begin, bitsize). abstract IEGeneric slice(int begin, int end) Slice of an IEGeneric. abstract IEGeneric topHalf() Retrieve the top half-part of this IRE. abstract void updateTypes(ETypeInfo ti) Deep update the types of the constituents of this IRE, update the IRE type as well the direct constituents if needed. abstract void verify() Verify the legality of this IR expression. abstract boolean visitDepthPost(IEVisitor visitor, IEGeneric parent) Depth-first search, post-order visit of an expression tree or sub-tree. abstract boolean visitDepthPost(IEVisitor visitor, IEGeneric parent, EVisitResults results) Depth-first search, post-order visit of an expression tree or sub-tree. abstract boolean visitDepthPost(IEVisitor visitor) Depth-first search, post-order visit of an expression tree or sub-tree. abstract boolean visitDepthPre(IEVisitor visitor, IEGeneric parent) Depth-first search, pre-order visit of an expression tree or sub-tree. abstract boolean visitDepthPre(IEVisitor visitor) Depth-first search, pre-order visit of an expression tree or sub-tree. abstract boolean visitDepthPre(IEVisitor visitor, IEGeneric parent, EVisitResults results) Depth-first search, pre-order visit of an expression tree or sub-tree. abstract IEGeneric zeroExtend(int newBitsize) Zero extend the current IEGeneric