38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <fmt/format.h>
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#include "common/disassembler.h"
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namespace Common {
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Disassembler::Disassembler() {
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ZydisDecoderInit(&m_decoder, ZYDIS_MACHINE_MODE_LONG_64, ZYDIS_STACK_WIDTH_64);
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ZydisFormatterInit(&m_formatter, ZYDIS_FORMATTER_STYLE_INTEL);
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}
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Disassembler::~Disassembler() = default;
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void Disassembler::printInstruction(void* code, u64 address) {
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ZydisDecodedInstruction instruction;
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ZydisDecodedOperand operands[ZYDIS_MAX_OPERAND_COUNT_VISIBLE];
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ZyanStatus status =
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ZydisDecoderDecodeFull(&m_decoder, code, sizeof(code), &instruction, operands);
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if (!ZYAN_SUCCESS(status)) {
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fmt::print("decode instruction failed at {}\n", fmt::ptr(code));
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} else {
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printInst(instruction, operands, address);
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}
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}
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void Disassembler::printInst(ZydisDecodedInstruction& inst, ZydisDecodedOperand* operands,
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u64 address) {
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const int bufLen = 256;
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char szBuffer[bufLen];
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ZydisFormatterFormatInstruction(&m_formatter, &inst, operands, inst.operand_count_visible,
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szBuffer, sizeof(szBuffer), address, ZYAN_NULL);
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fmt::print("instruction: {}\n", szBuffer);
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}
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} // namespace Common
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