mirror of https://github.com/x64dbg/zydis
use an example with a little more interesting output
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README.md
39
README.md
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@ -21,27 +21,43 @@ Fast and lightweight x86/x86-64 disassembler library.
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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 <tchar.h>
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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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#include <Zydis.hpp>
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int _tmain(int argc, _TCHAR* argv[])
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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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0x90, 0xE9, 0x00, 0x00, 0x00, 0x00, 0xC3
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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(0);
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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 << formatter.formatInstruction(info) << std::endl;
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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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@ -51,9 +67,14 @@ int _tmain(int argc, _TCHAR* argv[])
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The above example program generates the following output:
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```
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nop
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jmp 00000006
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ret
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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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