x64dbg
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zydis
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use an example with a little more interesting output

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athre0z 2016-04-15 22:11:49 +02:00
parent 92715986fa
commit f377f7b559
1 changed files with 30 additions and 9 deletions
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README.md
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@ -21,27 +21,43 @@ Fast and lightweight x86/x86-64 disassembler library.
The following example program uses Zydis to disassemble a given memory buffer and prints the output to the console. The following example program uses Zydis to disassemble a given memory buffer and prints the output to the console.
```c++ ```c++
#include <tchar.h>
#include <iostream> #include <iostream>
#include <iomanip>
#include <stdint.h> #include <stdint.h>
#include "Zydis.hpp" #include <Zydis.hpp>
int _tmain(int argc, _TCHAR* argv[]) int main()
{ {
uint8_t data[] = uint8_t data[] =
{ {
0x90, 0xE9, 0x00, 0x00, 0x00, 0x00, 0xC3 0x51, 0x8D, 0x45, 0xFF, 0x50, 0xFF, 0x75, 0x0C, 0xFF, 0x75,
0x08, 0xFF, 0x15, 0xA0, 0xA5, 0x48, 0x76, 0x85, 0xC0, 0x0F,
0x88, 0xFC, 0xDA, 0x02, 0x00
}; };
Zydis::MemoryInput input(&data[0], sizeof(data)); Zydis::MemoryInput input(&data[0], sizeof(data));
Zydis::InstructionInfo info; Zydis::InstructionInfo info;
Zydis::InstructionDecoder decoder; Zydis::InstructionDecoder decoder;
decoder.setDisassemblerMode(Zydis::DisassemblerMode::M32BIT); decoder.setDisassemblerMode(Zydis::DisassemblerMode::M32BIT);
decoder.setDataSource(&input); decoder.setDataSource(&input);
decoder.setInstructionPointer(0); decoder.setInstructionPointer(0x00400000);
Zydis::IntelInstructionFormatter formatter; Zydis::IntelInstructionFormatter formatter;
while (decoder.decodeInstruction(info)) while (decoder.decodeInstruction(info))
{ {
std::cout << formatter.formatInstruction(info) << std::endl; std::cout << std::hex << std::setw(8) << std::setfill('0')
<< std::uppercase << info.instrAddress << " ";
if (info.flags & Zydis::IF_ERROR_MASK)
{
std::cout << "db " << std::setw(2)
<< static_cast<int>(info.data[0])
<< std::endl;
}
else
{
std::cout << formatter.formatInstruction(info) << std::endl;
}
} }
} }
``` ```
@ -51,9 +67,14 @@ int _tmain(int argc, _TCHAR* argv[])
The above example program generates the following output: The above example program generates the following output:
``` ```
nop 00400000 push ecx
jmp 00000006 00400001 lea eax, [ebp-01]
ret 00400004 push eax
00400005 push dword ptr [ebp+0C]
00400008 push dword ptr [ebp+08]
0040000B call dword ptr [7648A5A0]
00400011 test eax, eax
00400013 js 0042DB15
``` ```
## Compilation ## ## Compilation ##