GetRegisterValue

// VmSavedStateDumpProvider.dll
#include <windows.h>

HRESULT GetRegisterValue(
    void* vmSavedStateDumpHandle,
    DWORD vpId,
    DWORD registerId,
    VIRTUAL_PROCESSOR_REGISTER* registerValue
);

<DllImport("VmSavedStateDumpProvider.dll", ExactSpelling:=True)>
Public Shared Function GetRegisterValue(
    vmSavedStateDumpHandle As IntPtr,   ' void* in/out
    vpId As UInteger,   ' DWORD
    registerId As UInteger,   ' DWORD
    registerValue As IntPtr   ' VIRTUAL_PROCESSOR_REGISTER* out
) As Integer
End Function

' vmSavedStateDumpHandle : void* in/out
' vpId : DWORD
' registerId : DWORD
' registerValue : VIRTUAL_PROCESSOR_REGISTER* out
Declare PtrSafe Function GetRegisterValue Lib "vmsavedstatedumpprovider" ( _
    ByVal vmSavedStateDumpHandle As LongPtr, _
    ByVal vpId As Long, _
    ByVal registerId As Long, _
    ByVal registerValue As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetRegisterValue = ctypes.windll.vmsavedstatedumpprovider.GetRegisterValue
GetRegisterValue.restype = ctypes.c_int
GetRegisterValue.argtypes = [
    ctypes.POINTER(None),  # vmSavedStateDumpHandle : void* in/out
    wintypes.DWORD,  # vpId : DWORD
    wintypes.DWORD,  # registerId : DWORD
    ctypes.c_void_p,  # registerValue : VIRTUAL_PROCESSOR_REGISTER* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VmSavedStateDumpProvider.dll')
GetRegisterValue = Fiddle::Function.new(
  lib['GetRegisterValue'],
  [
    Fiddle::TYPE_VOIDP,  # vmSavedStateDumpHandle : void* in/out
    -Fiddle::TYPE_INT,  # vpId : DWORD
    -Fiddle::TYPE_INT,  # registerId : DWORD
    Fiddle::TYPE_VOIDP,  # registerValue : VIRTUAL_PROCESSOR_REGISTER* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "vmsavedstatedumpprovider")]
extern "system" {
    fn GetRegisterValue(
        vmSavedStateDumpHandle: *mut (),  // void* in/out
        vpId: u32,  // DWORD
        registerId: u32,  // DWORD
        registerValue: *mut VIRTUAL_PROCESSOR_REGISTER  // VIRTUAL_PROCESSOR_REGISTER* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("VmSavedStateDumpProvider.dll")]
public static extern int GetRegisterValue(IntPtr vmSavedStateDumpHandle, uint vpId, uint registerId, IntPtr registerValue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VmSavedStateDumpProvider_GetRegisterValue' -Namespace Win32 -PassThru
# $api::GetRegisterValue(vmSavedStateDumpHandle, vpId, registerId, registerValue)

#uselib "VmSavedStateDumpProvider.dll"
#func global GetRegisterValue "GetRegisterValue" sptr, sptr, sptr, sptr
; GetRegisterValue vmSavedStateDumpHandle, vpId, registerId, varptr(registerValue)   ; 戻り値は stat
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; vpId : DWORD -> "sptr"
; registerId : DWORD -> "sptr"
; registerValue : VIRTUAL_PROCESSOR_REGISTER* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	vmsavedstatedumpprovider = windows.NewLazySystemDLL("VmSavedStateDumpProvider.dll")
	procGetRegisterValue = vmsavedstatedumpprovider.NewProc("GetRegisterValue")
)

// vmSavedStateDumpHandle (void* in/out), vpId (DWORD), registerId (DWORD), registerValue (VIRTUAL_PROCESSOR_REGISTER* out)
r1, _, err := procGetRegisterValue.Call(
	uintptr(vmSavedStateDumpHandle),
	uintptr(vpId),
	uintptr(registerId),
	uintptr(registerValue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetRegisterValue(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  vpId: DWORD;   // DWORD
  registerId: DWORD;   // DWORD
  registerValue: Pointer   // VIRTUAL_PROCESSOR_REGISTER* out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'GetRegisterValue';

result := DllCall("VmSavedStateDumpProvider\GetRegisterValue"
    , "Ptr", vmSavedStateDumpHandle   ; void* in/out
    , "UInt", vpId   ; DWORD
    , "UInt", registerId   ; DWORD
    , "Ptr", registerValue   ; VIRTUAL_PROCESSOR_REGISTER* out
    , "Int")   ; return: HRESULT

●GetRegisterValue(vmSavedStateDumpHandle, vpId, registerId, registerValue) = DLL("VmSavedStateDumpProvider.dll", "int GetRegisterValue(void*, dword, dword, void*)")
# 呼び出し: GetRegisterValue(vmSavedStateDumpHandle, vpId, registerId, registerValue)
# vmSavedStateDumpHandle : void* in/out -> "void*"
# vpId : DWORD -> "dword"
# registerId : DWORD -> "dword"
# registerValue : VIRTUAL_PROCESSOR_REGISTER* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "vmsavedstatedumpprovider" fn GetRegisterValue(
    vmSavedStateDumpHandle: ?*anyopaque, // void* in/out
    vpId: u32, // DWORD
    registerId: u32, // DWORD
    registerValue: [*c]VIRTUAL_PROCESSOR_REGISTER // VIRTUAL_PROCESSOR_REGISTER* out
) callconv(std.os.windows.WINAPI) i32;

proc GetRegisterValue(
    vmSavedStateDumpHandle: pointer,  # void* in/out
    vpId: uint32,  # DWORD
    registerId: uint32,  # DWORD
    registerValue: ptr VIRTUAL_PROCESSOR_REGISTER  # VIRTUAL_PROCESSOR_REGISTER* out
): int32 {.importc: "GetRegisterValue", stdcall, dynlib: "VmSavedStateDumpProvider.dll".}

pragma(lib, "vmsavedstatedumpprovider");
extern(Windows)
int GetRegisterValue(
    void* vmSavedStateDumpHandle,   // void* in/out
    uint vpId,   // DWORD
    uint registerId,   // DWORD
    VIRTUAL_PROCESSOR_REGISTER* registerValue   // VIRTUAL_PROCESSOR_REGISTER* out
);

ccall((:GetRegisterValue, "VmSavedStateDumpProvider.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32, UInt32, Ptr{VIRTUAL_PROCESSOR_REGISTER}),
      vmSavedStateDumpHandle, vpId, registerId, registerValue)
# vmSavedStateDumpHandle : void* in/out -> Ptr{Cvoid}
# vpId : DWORD -> UInt32
# registerId : DWORD -> UInt32
# registerValue : VIRTUAL_PROCESSOR_REGISTER* out -> Ptr{VIRTUAL_PROCESSOR_REGISTER}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetRegisterValue(
    void* vmSavedStateDumpHandle,
    uint32_t vpId,
    uint32_t registerId,
    void* registerValue);
]]
local vmsavedstatedumpprovider = ffi.load("vmsavedstatedumpprovider")
-- vmsavedstatedumpprovider.GetRegisterValue(vmSavedStateDumpHandle, vpId, registerId, registerValue)
-- vmSavedStateDumpHandle : void* in/out
-- vpId : DWORD
-- registerId : DWORD
-- registerValue : VIRTUAL_PROCESSOR_REGISTER* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('VmSavedStateDumpProvider.dll');
const GetRegisterValue = lib.func('__stdcall', 'GetRegisterValue', 'int32_t', ['void *', 'uint32_t', 'uint32_t', 'void *']);
// GetRegisterValue(vmSavedStateDumpHandle, vpId, registerId, registerValue)
// vmSavedStateDumpHandle : void* in/out -> 'void *'
// vpId : DWORD -> 'uint32_t'
// registerId : DWORD -> 'uint32_t'
// registerValue : VIRTUAL_PROCESSOR_REGISTER* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("VmSavedStateDumpProvider.dll", {
  GetRegisterValue: { parameters: ["pointer", "u32", "u32", "pointer"], result: "i32" },
});
// lib.symbols.GetRegisterValue(vmSavedStateDumpHandle, vpId, registerId, registerValue)
// vmSavedStateDumpHandle : void* in/out -> "pointer"
// vpId : DWORD -> "u32"
// registerId : DWORD -> "u32"
// registerValue : VIRTUAL_PROCESSOR_REGISTER* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t GetRegisterValue(
    void* vmSavedStateDumpHandle,
    uint32_t vpId,
    uint32_t registerId,
    void* registerValue);
C, "VmSavedStateDumpProvider.dll");
// $ffi->GetRegisterValue(vmSavedStateDumpHandle, vpId, registerId, registerValue);
// vmSavedStateDumpHandle : void* in/out
// vpId : DWORD
// registerId : DWORD
// registerValue : VIRTUAL_PROCESSOR_REGISTER* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Vmsavedstatedumpprovider extends StdCallLibrary {
    Vmsavedstatedumpprovider INSTANCE = Native.load("vmsavedstatedumpprovider", Vmsavedstatedumpprovider.class);
    int GetRegisterValue(
        Pointer vmSavedStateDumpHandle,   // void* in/out
        int vpId,   // DWORD
        int registerId,   // DWORD
        Pointer registerValue   // VIRTUAL_PROCESSOR_REGISTER* out
    );
}

@[Link("vmsavedstatedumpprovider")]
lib LibVmSavedStateDumpProvider
  fun GetRegisterValue = GetRegisterValue(
    vmSavedStateDumpHandle : Void*,   # void* in/out
    vpId : UInt32,   # DWORD
    registerId : UInt32,   # DWORD
    registerValue : VIRTUAL_PROCESSOR_REGISTER*   # VIRTUAL_PROCESSOR_REGISTER* out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef GetRegisterValueNative = Int32 Function(Pointer<Void>, Uint32, Uint32, Pointer<Void>);
typedef GetRegisterValueDart = int Function(Pointer<Void>, int, int, Pointer<Void>);
final GetRegisterValue = DynamicLibrary.open('VmSavedStateDumpProvider.dll')
    .lookupFunction<GetRegisterValueNative, GetRegisterValueDart>('GetRegisterValue');
// vmSavedStateDumpHandle : void* in/out -> Pointer<Void>
// vpId : DWORD -> Uint32
// registerId : DWORD -> Uint32
// registerValue : VIRTUAL_PROCESSOR_REGISTER* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetRegisterValue(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  vpId: DWORD;   // DWORD
  registerId: DWORD;   // DWORD
  registerValue: Pointer   // VIRTUAL_PROCESSOR_REGISTER* out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'GetRegisterValue';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GetRegisterValue"
  c_GetRegisterValue :: Ptr () -> Word32 -> Word32 -> Ptr () -> IO Int32
-- vmSavedStateDumpHandle : void* in/out -> Ptr ()
-- vpId : DWORD -> Word32
-- registerId : DWORD -> Word32
-- registerValue : VIRTUAL_PROCESSOR_REGISTER* out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let getregistervalue =
  foreign "GetRegisterValue"
    ((ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* vmSavedStateDumpHandle : void* in/out -> (ptr void) *)
(* vpId : DWORD -> uint32_t *)
(* registerId : DWORD -> uint32_t *)
(* registerValue : VIRTUAL_PROCESSOR_REGISTER* out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library vmsavedstatedumpprovider (t "VmSavedStateDumpProvider.dll"))
(cffi:use-foreign-library vmsavedstatedumpprovider)

(cffi:defcfun ("GetRegisterValue" get-register-value :convention :stdcall) :int32
  (vm-saved-state-dump-handle :pointer)   ; void* in/out
  (vp-id :uint32)   ; DWORD
  (register-id :uint32)   ; DWORD
  (register-value :pointer))   ; VIRTUAL_PROCESSOR_REGISTER* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetRegisterValue = Win32::API::More->new('VmSavedStateDumpProvider',
    'int GetRegisterValue(LPVOID vmSavedStateDumpHandle, DWORD vpId, DWORD registerId, LPVOID registerValue)');
# my $ret = $GetRegisterValue->Call($vmSavedStateDumpHandle, $vpId, $registerId, $registerValue);
# vmSavedStateDumpHandle : void* in/out -> LPVOID
# vpId : DWORD -> DWORD
# registerId : DWORD -> DWORD
# registerValue : VIRTUAL_PROCESSOR_REGISTER* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。