Code_Virtualizer/CodeVirtualizer/Virtualizer.cpp

#include "Virtualizer.h"

BOOL ViCanHandleInst(PNATIVE_CODE_LINK Link)
{
	switch (XedDecodedInstGetIClass(&Link->XedInstruction))
	{
	case XED_ICLASS_MOV: return TRUE;
	}
	return FALSE;
}
BOOL ViValidateNativeCodeBlock(PVIRTUALIZER Vm, PNATIVE_CODE_BLOCK Block)
{
	for (PNATIVE_CODE_LINK T = Block->Start; T && T != Block->End->Next; T = T->Next)
	{
		if (!ViCanHandleInst(T))
			return FALSE;

		//Cant handle RIP relative instructions.
		CONST XED_INST* Inst = XedDecodedInstInst(&T->XedInstruction);
		UINT OperandCount = XedDecodedInstNumOperands(&T->XedInstruction);
		for (UINT i = 0; i < OperandCount; i++)
		{
			XED_OPERAND_ENUM OperandName = XedOperandName(XedInstOperand(Inst, i));

			if ((OperandName == XED_OPERAND_MEM0 || OperandName == XED_OPERAND_MEM1)
				&& XedDecodedInstGetBaseReg(&T->XedInstruction, OperandName - XED_OPERAND_MEM0) == XED_REG_RIP)
				return FALSE;
		}

	}
	return TRUE;
}