public static unsafe void Main()
{
int prot = 0x1 | 0x2 | 0x4; //PROT_READ | PROT_WRITE | PROT_EXEC
int flags = 0x1000 | 0x0002; //MAP_ANON | MAP_PRIVATE
var res = mmap (IntPtr.Zero, (IntPtr)4096, prot , flags, 0);
var mem = new UnmanagedMemoryStream ((byte*)res, 4096, 4096, FileAccess.ReadWrite);
var asm = new Assembler (mem);
asm.Push (EBP);
asm.Mov (EBP, ESP);
asm.Mov (EAX, 10);
asm.Leave ();
asm.Ret ();
NoArgsReturnInt dele = (NoArgsReturnInt)Marshal.GetDelegateForFunctionPointer (res, typeof (NoArgsReturnInt));
Console.WriteLine (dele ());
}