mirror of https://github.com/x64dbg/zydis
91 lines
2.7 KiB
Markdown
91 lines
2.7 KiB
Markdown
Zyan Disassembler Engine (Zydis) [](https://travis-ci.org/zyantific/zyan-disassembler-engine)
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================================
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Fast and lightweight x86/x86-64 disassembler library.
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## Features ##
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- Supports all x86 and x86-64 (AMD64) General purpose and System instructions.
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- Supported ISA extensions:
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- MMX, FPU (x87), AMD 3DNow
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- SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AES,
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- AMD-V, INTEL-VMX, SMX
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- Optimized for high performance
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- Very small overhead compared to other common disassembler libraries (about 60KiB)
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- Abstract formatter and symbol-resolver classes for custom syntax implementations.
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- Intel syntax is implemented by default
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- Complete doxygen documentation
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## Quick Example ##
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The following example program uses Zydis to disassemble a given memory buffer and prints the output to the console.
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```c++
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#include <iostream>
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#include <iomanip>
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#include <stdint.h>
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#include <Zydis.hpp>
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int main()
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{
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uint8_t data[] =
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{
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0x51, 0x8D, 0x45, 0xFF, 0x50, 0xFF, 0x75, 0x0C, 0xFF, 0x75,
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0x08, 0xFF, 0x15, 0xA0, 0xA5, 0x48, 0x76, 0x85, 0xC0, 0x0F,
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0x88, 0xFC, 0xDA, 0x02, 0x00
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};
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Zydis::MemoryInput input(&data[0], sizeof(data));
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Zydis::InstructionInfo info;
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Zydis::InstructionDecoder decoder;
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decoder.setDisassemblerMode(Zydis::DisassemblerMode::M32BIT);
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decoder.setDataSource(&input);
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decoder.setInstructionPointer(0x00400000);
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Zydis::IntelInstructionFormatter formatter;
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while (decoder.decodeInstruction(info))
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{
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std::cout << std::hex << std::setw(8) << std::setfill('0')
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<< std::uppercase << info.instrAddress << " ";
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if (info.flags & Zydis::IF_ERROR_MASK)
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{
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std::cout << "db " << std::setw(2)
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<< static_cast<int>(info.data[0])
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<< std::endl;
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}
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else
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{
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std::cout << formatter.formatInstruction(info) << std::endl;
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}
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}
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}
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```
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## Sample Output ##
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The above example program generates the following output:
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```
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00400000 push ecx
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00400001 lea eax, [ebp-01]
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00400004 push eax
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00400005 push dword ptr [ebp+0C]
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00400008 push dword ptr [ebp+08]
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0040000B call dword ptr [7648A5A0]
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00400011 test eax, eax
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00400013 js 0042DB15
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```
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## Compilation ##
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Zydis builds cleanly on most platforms without any external dependencies. You can use CMake to generate project files for your favorite C++14 compiler.
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## Documentation ##
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[The HTML Doxygen documentation](https://www.zyantific.com/doc/zydis/index.html) is automatically built from master every 12 hours.
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## License ##
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Zyan Disassembler Engine is licensed under the MIT License. Dependencies are under their respective licenses.
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