internal T CallRoutine <T>(IntPtr routineAddress, params dynamic[] arguments) where T : unmanaged
{
var returnAddress = Memory.AllocateBuffer(Unsafe.SizeOf <T>(), ProtectionType.ReadWrite);
try
{
// Assemble the shellcode used to call the routine
Span <byte> shellcodeBytes;
if (Process.GetArchitecture() == Architecture.X86)
{
var callDescriptor = new CallDescriptor <int>(routineAddress, Array.ConvertAll(arguments, argument => (int)argument), returnAddress);
shellcodeBytes = ShellcodeAssembler.AssembleCall32(callDescriptor);
}
else
{
var callDescriptor = new CallDescriptor <long>(routineAddress, Array.ConvertAll(arguments, argument => (long)argument), returnAddress);
shellcodeBytes = ShellcodeAssembler.AssembleCall64(callDescriptor);
}
// Execute the shellcode
ExecuteShellcode(shellcodeBytes);
return(Memory.ReadStructure <T>(returnAddress));
}
finally
{
Memory.FreeBuffer(returnAddress);
}
}
internal void CallRoutine(IntPtr routineAddress, params dynamic[] arguments)
{
// Assemble the shellcode used to call the routine
Span <byte> shellcodeBytes;
if (Process.GetArchitecture() == Architecture.X86)
{
var callDescriptor = new CallDescriptor <int>(routineAddress, Array.ConvertAll(arguments, argument => (int)argument), IntPtr.Zero);
shellcodeBytes = ShellcodeAssembler.AssembleCall32(callDescriptor);
}
else
{
var callDescriptor = new CallDescriptor <long>(routineAddress, Array.ConvertAll(arguments, argument => (long)argument), IntPtr.Zero);
shellcodeBytes = ShellcodeAssembler.AssembleCall64(callDescriptor);
}
// Execute the shellcode
ExecuteShellcode(shellcodeBytes);
}
