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Zyan Disassembler Engine (Zydis)

Fast and lightweight x86/x86-64 disassembler library.

Features

Supports all x86 and x86-64 (AMD64) General purpose and System instructions.
Supported ISA extensions:
MMX, FPU (x87), AMD 3DNow
SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AES,
AMD-V, INTEL-VMX, SMX
Optimized for high performance
Very small overhead compared to other common disassembler libraries (about 60KiB)
Abstract formatter and symbol-resolver classes for custom syntax implementations.
Intel syntax is implemented by default
Complete doxygen documentation

Quick Example

The following example program uses Zydis to disassemble a given memory buffer and prints the output to the console.

#include <tchar.h>
#include <iostream>
#include <stdint.h>
#include "Zydis.hpp"

int _tmain(int argc, _TCHAR* argv[])
{
    uint8_t data[] =
    {
        0x90, 0xE9, 0x00, 0x00, 0x00, 0x00, 0xC3
    };
    Zydis::MemoryInput input(&data[0], sizeof(data));
    Zydis::InstructionInfo info;
    Zydis::InstructionDecoder decoder;
    decoder.setDisassemblerMode(Zydis::DisassemblerMode::M32BIT);
    decoder.setDataSource(&input);
    decoder.setInstructionPointer(0);
    Zydis::IntelInstructionFormatter formatter;
    while (decoder.decodeInstruction(info))
    {
        std::cout << formatter.formatInstruction(info) << std::endl;
    }
}

Compilation

Zydis builds cleanly on most platforms without any external dependencies. You can use CMake to generate project files for your favorite C++14 compiler.

Documentation

The HTML Doxygen documentation is automatically built from master every 12 hours.

License

Zyan Disassembler Engine is licensed under the MIT License. Dependencies are under their respective licenses.

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