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47 lines
1.1 KiB
47 lines
1.1 KiB
#include "Virtualizer.h"
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BOOL ViCanHandleInst(PNATIVE_CODE_LINK Link)
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{
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switch (XedDecodedInstGetIClass(&Link->XedInstruction))
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{
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case XED_ICLASS_MOV:
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return TRUE;
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}
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return FALSE;
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}
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BOOL ViValidateNativeCodeBlock(PVIRTUALIZER Vm, PNATIVE_CODE_BLOCK Block)
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{
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for (PNATIVE_CODE_LINK T = Block->Start; T && T != Block->End->Next; T = T->Next)
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{
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if (!ViCanHandleInst(T))
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return FALSE;
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//Cant handle RIP relative instructions.
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CONST XED_INST* Inst = XedDecodedInstInst(&T->XedInstruction);
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UINT OperandCount = XedDecodedInstNumOperands(&T->XedInstruction);
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for (UINT i = 0; i < OperandCount; i++)
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{
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XED_OPERAND_ENUM OperandName = XedOperandName(XedInstOperand(Inst, i));
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if ((OperandName == XED_OPERAND_MEM0 || OperandName == XED_OPERAND_MEM1)
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&& XedDecodedInstGetBaseReg(&T->XedInstruction, OperandName - XED_OPERAND_MEM0) == XED_REG_RIP)
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return FALSE;
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}
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}
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return TRUE;
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}
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BOOL ViVirtualizeInst(PNATIVE_CODE_LINK Inst, PNATIVE_CODE_BLOCK)
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{
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XED_ICLASS_ENUM IClass = XedDecodedInstGetIClass(&Inst->XedInstruction);
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switch (IClass)
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{
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case XED_ICLASS_MOV:
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{
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return TRUE;
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}
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}
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return FALSE;
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} |