public bool ReadMemory(IntPtr handle, IntPtr address, byte[] buffer, IntPtr size)
{
var iov_size = 2048;
var piov_size = new IntPtr(iov_size);
var count = Math.Max((int)Math.Ceiling((decimal)size.ToInt64() / iov_size), 1);
if (size.ToInt64() < iov_size)
{
iov_size = size.ToInt32();
piov_size = size;
}
if (count > maxIoVcnt)
{
throw new Exception($"Trying to read too much! (max io vector: {maxIoVcnt}, wanted size: {size}, total io vectors requested: {count})");
}
var bytes = new byte[count, iov_size];
var local = new UnsafeNativeMethods.iovec[count];
var pointers = new IntPtr[count];
var remote = new UnsafeNativeMethods.iovec[1] {
new UnsafeNativeMethods.iovec {
iov_base = address, iov_len = size
}
};
for (var i = 0; i < local.Length; i++)
{
pointers[i] = Marshal.AllocHGlobal(iov_size);
local[i].iov_base = pointers[i];
local[i].iov_len = piov_size;
}
local[local.Length - 1].iov_len = new IntPtr(iov_size - ((iov_size * count) - size.ToInt64()));
var nread = UnsafeNativeMethods.process_vm_readv(handle, local, (ulong)local.Length, remote, (ulong)remote.Length, 0);
for (var i = 0; i < local.Length; i++)
{
Marshal.Copy(pointers[i], buffer, (i * iov_size), local[i].iov_len.ToInt32());
Marshal.FreeHGlobal(pointers[i]);
}
return(nread.ToInt64() == remote[0].iov_len.ToInt64());
}
public bool ReadMemory(IntPtr handle, IntPtr address, IntPtr buffer, IntPtr size)
{
var iov_size = 2048;
var piov_size = new IntPtr(iov_size);
var count = Math.Max((int)Math.Ceiling((decimal)size.ToInt64() / iov_size), 1);
if (size.ToInt64() < iov_size)
{
iov_size = size.ToInt32();
piov_size = size;
}
if (count > maxIoVcnt)
{
throw new Exception("Trying to read too much!");
}
var local = new UnsafeNativeMethods.iovec[count];
var remote = new UnsafeNativeMethods.iovec[1] {
new UnsafeNativeMethods.iovec {
iov_base = address, iov_len = size
}
};
for (var i = 0; i < local.Length; i++)
{
local[i].iov_base = IntPtr.Add(buffer, i * iov_size);
local[i].iov_len = piov_size;
}
local[local.Length - 1].iov_len = new IntPtr(iov_size - ((iov_size * count) - size.ToInt64()));
var nread = UnsafeNativeMethods.process_vm_readv(handle, local, (ulong)local.Length, remote, (ulong)remote.Length, 0);
return(nread.ToInt64() == remote[0].iov_len.ToInt64());
}
