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initial disasm class using zydis

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georgemoralis 2023-05-30 13:33:52 +03:00
parent b124bac0f7
commit dfc234f363
4 changed files with 60 additions and 2 deletions
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33
src/Util/Disassembler.cpp Normal file
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#include "Disassembler.h"
#include <stdio.h>
Disassembler::Disassembler()
{
ZydisDecoderInit(&m_decoder, ZYDIS_MACHINE_MODE_LONG_64, ZYDIS_STACK_WIDTH_64);
ZydisFormatterInit(&m_formatter, ZYDIS_FORMATTER_STYLE_INTEL);
}
Disassembler::~Disassembler()
{
}
void Disassembler::printInstruction(void* code)//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);
if (!ZYAN_SUCCESS(status))
{
printf("decode instruction failed at %p\n", code);
printInst(instruction, operands);
}
}
void Disassembler::printInst(ZydisDecodedInstruction& inst, ZydisDecodedOperand* operands)
{
const int bufLen = 256;
char szBuffer[bufLen];
ZydisFormatterFormatInstruction(&m_formatter, &inst, operands,inst.operand_count_visible, szBuffer, sizeof(szBuffer), 0,NULL);
printf("instruction: %s\n", szBuffer);
}