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some more playing with zydis

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This commit is contained in:
georgemoralis
2023-05-30 16:27:11 +03:00
parent 5a72e51f4e
commit 66ea5329d2
5 changed files with 30 additions and 10 deletions
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10
src/Util/Disassembler.cpp
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@@ -12,25 +12,25 @@ Disassembler::~Disassembler()
{
}
void Disassembler::printInstruction(void* code)//print a single instruction
void Disassembler::printInstruction(void* code,u64 address)//print a single instruction
{
ZydisDecodedInstruction instruction;
ZydisDecodedOperand operands[ZYDIS_MAX_OPERAND_COUNT_VISIBLE];
ZyanStatus status = ZydisDecoderDecodeFull(&m_decoder, code, ZYDIS_MAX_INSTRUCTION_LENGTH,&instruction, operands);
ZyanStatus status = ZydisDecoderDecodeFull(&m_decoder, code, sizeof(code), &instruction, operands);
if (!ZYAN_SUCCESS(status))
{
printf("decode instruction failed at %p\n", code);
}
else
{
printInst(instruction, operands);
printInst(instruction, operands,address);
}
}
void Disassembler::printInst(ZydisDecodedInstruction& inst, ZydisDecodedOperand* operands)
void Disassembler::printInst(ZydisDecodedInstruction& inst, ZydisDecodedOperand* operands,u64 address)
{
const int bufLen = 256;
char szBuffer[bufLen];
ZydisFormatterFormatInstruction(&m_formatter, &inst, operands,inst.operand_count_visible, szBuffer, sizeof(szBuffer), 0,NULL);
ZydisFormatterFormatInstruction(&m_formatter, &inst, operands,inst.operand_count_visible, szBuffer, sizeof(szBuffer), address, ZYAN_NULL);
printf("instruction: %s\n", szBuffer);
}

5
src/Util/Disassembler.h
View File

@@ -1,14 +1,15 @@
#pragma once
#include "zydis/Zydis.h"
#include "../types.h"
class Disassembler
{
public:
Disassembler();
~Disassembler();
void printInst(ZydisDecodedInstruction& inst, ZydisDecodedOperand* operands);
void printInstruction(void* code);
void printInst(ZydisDecodedInstruction& inst, ZydisDecodedOperand* operands,u64 address);
void printInstruction(void* code,u64 address);
private:
ZydisDecoder m_decoder;