/// <summary>
/// Get Next Instruction.
/// </summary>
/// <returns>
/// A boolean true if an instruction is returned. A boolean false otherwise.
/// </returns>
/// <exception cref="System.ObjectDisposedException">
/// Thrown if the enumerator is disposed.
/// </exception>
public bool MoveNext()
{
this.CheckDisposed();
var pCode = this._pinnedCode.AddrOfPinnedObject() + this._currentOffset;
var pCount = (UIntPtr)1;
var pInstructions = IntPtr.Zero;
var pSize = (UIntPtr)this._codeSize - this._currentOffset;
// Disassemble Binary Code.
//
// ...
var pResultCode = CapstoneImport.Disassemble((UIntPtr)(ulong)(long)_disassembler.Handle.DangerousGetHandle(),
pCode, pSize, this._currentAddress, pCount,
ref pInstructions);
var iResultCode = (int)pResultCode;
var nativeInstructions = MarshalExtension.PtrToStructure <NativeInstruction>(pInstructions, iResultCode);
if (nativeInstructions == null || nativeInstructions.Length == 0)
{
return(false);
}
var instruction = nativeInstructions[0];
this._currentInstruction = this._disassembler.CreateInstruction(instruction);
this._currentAddress += (ulong)this._currentInstruction.Bytes.Length;
this._currentOffset += this._currentInstruction.Bytes.Length;
return(true);
}
/// <summary>
/// Disassemble Binary Code.
/// </summary>
/// <param name="handle">
/// A Capstone handle. Should not be a null reference.
/// </param>
/// <param name="code">
/// A collection of bytes representing the binary code to disassemble. Should not be a null reference.
/// </param>
/// <param name="count">
/// The number of instructions to disassemble. A 0 indicates all instructions should be disassembled.
/// </param>
/// <param name="startingAddress">
/// The address of the first instruction in the collection of bytes to disassemble.
/// </param>
/// <returns>
/// A native instruction handle.
/// </returns>
/// <exception cref="System.InvalidOperationException">
/// Thrown if the binary code could not be disassembled.
/// </exception>
public static SafeNativeInstructionHandle Disassemble(SafeCapstoneHandle handle, byte[] code, int count, ulong startingAddress)
{
// Copy Code to Unmanaged Memory.
//
// ...
var pCode = MarshalExtension.AllocHGlobal <byte>(code.Length);
Marshal.Copy(code, 0, pCode, code.Length);
var pCount = (UIntPtr)count;
var pHandle = handle.DangerousGetHandle();
var pInstructions = IntPtr.Zero;
var pSize = (UIntPtr)code.Length;
// var uStartingAddress = (ulong) startingAddress;
// Disassemble Binary Code.
//
// ...
var pResultCode = CapstoneImport.Disassemble(unchecked ((UIntPtr)(ulong)(ulong)handle.DangerousGetHandle()), pCode, pSize,
startingAddress, pCount, ref pInstructions);
if (pResultCode == UIntPtr.Zero)
{
throw new InvalidOperationException("Unable to disassemble binary code.");
}
var iResultCode = (int)pResultCode;
var instructions = MarshalExtension.PtrToStructure <NativeInstruction>(pInstructions, iResultCode);
// Free Unmanaged Memory.
//
// Avoid a memory leak.
Marshal.FreeHGlobal(pCode);
var instructionHandle = new SafeNativeInstructionHandle(instructions, pInstructions, pResultCode);
return(instructionHandle);
}
