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RtlWriteNonVolatileMemory

関数
ソースから不揮発性メモリへデータを書き込む。
DLLntdll.dll呼出規約winapi

シグネチャ

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

DWORD RtlWriteNonVolatileMemory(
    void* NvToken,
    void* NvDestination,
    const void* Source,
    UINT_PTR Size,
    DWORD Flags
);

パラメーター

名前方向説明
NvTokenvoid*in書き込み操作に使う不揮発性メモリトークンを指定する。
NvDestinationvoid*out書き込み先のNVメモリ領域へのポインタを指定する。
Sourcevoid*in書き込むデータの読み取り元バッファへのポインタを指定する。
SizeUINT_PTRin書き込むバイト数を指定する。
FlagsDWORDin書き込み動作を制御するフラグ。WRITE_NV_MEMORY_FLAG_FLUSH等を指定する。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD RtlWriteNonVolatileMemory(
    void* NvToken,
    void* NvDestination,
    const void* Source,
    UINT_PTR Size,
    DWORD Flags
);
[DllImport("ntdll.dll", ExactSpelling = true)]
static extern uint RtlWriteNonVolatileMemory(
    IntPtr NvToken,   // void*
    IntPtr NvDestination,   // void* out
    IntPtr Source,   // void*
    UIntPtr Size,   // UINT_PTR
    uint Flags   // DWORD
);
<DllImport("ntdll.dll", ExactSpelling:=True)>
Public Shared Function RtlWriteNonVolatileMemory(
    NvToken As IntPtr,   ' void*
    NvDestination As IntPtr,   ' void* out
    Source As IntPtr,   ' void*
    Size As UIntPtr,   ' UINT_PTR
    Flags As UInteger   ' DWORD
) As UInteger
End Function
' NvToken : void*
' NvDestination : void* out
' Source : void*
' Size : UINT_PTR
' Flags : DWORD
Declare PtrSafe Function RtlWriteNonVolatileMemory Lib "ntdll" ( _
    ByVal NvToken As LongPtr, _
    ByVal NvDestination As LongPtr, _
    ByVal Source As LongPtr, _
    ByVal Size As LongPtr, _
    ByVal Flags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

RtlWriteNonVolatileMemory = ctypes.windll.ntdll.RtlWriteNonVolatileMemory
RtlWriteNonVolatileMemory.restype = wintypes.DWORD
RtlWriteNonVolatileMemory.argtypes = [
    ctypes.POINTER(None),  # NvToken : void*
    ctypes.POINTER(None),  # NvDestination : void* out
    ctypes.POINTER(None),  # Source : void*
    ctypes.c_size_t,  # Size : UINT_PTR
    wintypes.DWORD,  # Flags : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ntdll.dll')
RtlWriteNonVolatileMemory = Fiddle::Function.new(
  lib['RtlWriteNonVolatileMemory'],
  [
    Fiddle::TYPE_VOIDP,  # NvToken : void*
    Fiddle::TYPE_VOIDP,  # NvDestination : void* out
    Fiddle::TYPE_VOIDP,  # Source : void*
    Fiddle::TYPE_UINTPTR_T,  # Size : UINT_PTR
    -Fiddle::TYPE_INT,  # Flags : DWORD
  ],
  -Fiddle::TYPE_INT)
#[link(name = "ntdll")]
extern "system" {
    fn RtlWriteNonVolatileMemory(
        NvToken: *mut (),  // void*
        NvDestination: *mut (),  // void* out
        Source: *const (),  // void*
        Size: usize,  // UINT_PTR
        Flags: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ntdll.dll")]
public static extern uint RtlWriteNonVolatileMemory(IntPtr NvToken, IntPtr NvDestination, IntPtr Source, UIntPtr Size, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ntdll_RtlWriteNonVolatileMemory' -Namespace Win32 -PassThru
# $api::RtlWriteNonVolatileMemory(NvToken, NvDestination, Source, Size, Flags)
#uselib "ntdll.dll"
#func global RtlWriteNonVolatileMemory "RtlWriteNonVolatileMemory" sptr, sptr, sptr, sptr, sptr
; RtlWriteNonVolatileMemory NvToken, NvDestination, Source, Size, Flags   ; 戻り値は stat
; NvToken : void* -> "sptr"
; NvDestination : void* out -> "sptr"
; Source : void* -> "sptr"
; Size : UINT_PTR -> "sptr"
; Flags : DWORD -> "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。
#uselib "ntdll.dll"
#cfunc global RtlWriteNonVolatileMemory "RtlWriteNonVolatileMemory" sptr, sptr, sptr, sptr, int
; res = RtlWriteNonVolatileMemory(NvToken, NvDestination, Source, Size, Flags)
; NvToken : void* -> "sptr"
; NvDestination : void* out -> "sptr"
; Source : void* -> "sptr"
; Size : UINT_PTR -> "sptr"
; Flags : DWORD -> "int"
; DWORD RtlWriteNonVolatileMemory(void* NvToken, void* NvDestination, void* Source, UINT_PTR Size, DWORD Flags)
#uselib "ntdll.dll"
#cfunc global RtlWriteNonVolatileMemory "RtlWriteNonVolatileMemory" intptr, intptr, intptr, intptr, int
; res = RtlWriteNonVolatileMemory(NvToken, NvDestination, Source, Size, Flags)
; NvToken : void* -> "intptr"
; NvDestination : void* out -> "intptr"
; Source : void* -> "intptr"
; Size : UINT_PTR -> "intptr"
; Flags : DWORD -> "int"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ntdll = windows.NewLazySystemDLL("ntdll.dll")
	procRtlWriteNonVolatileMemory = ntdll.NewProc("RtlWriteNonVolatileMemory")
)

// NvToken (void*), NvDestination (void* out), Source (void*), Size (UINT_PTR), Flags (DWORD)
r1, _, err := procRtlWriteNonVolatileMemory.Call(
	uintptr(NvToken),
	uintptr(NvDestination),
	uintptr(Source),
	uintptr(Size),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function RtlWriteNonVolatileMemory(
  NvToken: Pointer;   // void*
  NvDestination: Pointer;   // void* out
  Source: Pointer;   // void*
  Size: NativeUInt;   // UINT_PTR
  Flags: DWORD   // DWORD
): DWORD; stdcall;
  external 'ntdll.dll' name 'RtlWriteNonVolatileMemory';
result := DllCall("ntdll\RtlWriteNonVolatileMemory"
    , "Ptr", NvToken   ; void*
    , "Ptr", NvDestination   ; void* out
    , "Ptr", Source   ; void*
    , "UPtr", Size   ; UINT_PTR
    , "UInt", Flags   ; DWORD
    , "UInt")   ; return: DWORD
●RtlWriteNonVolatileMemory(NvToken, NvDestination, Source, Size, Flags) = DLL("ntdll.dll", "dword RtlWriteNonVolatileMemory(void*, void*, void*, int, dword)")
# 呼び出し: RtlWriteNonVolatileMemory(NvToken, NvDestination, Source, Size, Flags)
# NvToken : void* -> "void*"
# NvDestination : void* out -> "void*"
# Source : void* -> "void*"
# Size : UINT_PTR -> "int"
# Flags : DWORD -> "dword"
# 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 "ntdll" fn RtlWriteNonVolatileMemory(
    NvToken: ?*anyopaque, // void*
    NvDestination: ?*anyopaque, // void* out
    Source: ?*anyopaque, // void*
    Size: usize, // UINT_PTR
    Flags: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;
proc RtlWriteNonVolatileMemory(
    NvToken: pointer,  # void*
    NvDestination: pointer,  # void* out
    Source: pointer,  # void*
    Size: uint,  # UINT_PTR
    Flags: uint32  # DWORD
): uint32 {.importc: "RtlWriteNonVolatileMemory", stdcall, dynlib: "ntdll.dll".}
pragma(lib, "ntdll");
extern(Windows)
uint RtlWriteNonVolatileMemory(
    void* NvToken,   // void*
    void* NvDestination,   // void* out
    void* Source,   // void*
    size_t Size,   // UINT_PTR
    uint Flags   // DWORD
);
ccall((:RtlWriteNonVolatileMemory, "ntdll.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}, Csize_t, UInt32),
      NvToken, NvDestination, Source, Size, Flags)
# NvToken : void* -> Ptr{Cvoid}
# NvDestination : void* out -> Ptr{Cvoid}
# Source : void* -> Ptr{Cvoid}
# Size : UINT_PTR -> Csize_t
# Flags : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
uint32_t RtlWriteNonVolatileMemory(
    void* NvToken,
    void* NvDestination,
    void* Source,
    uintptr_t Size,
    uint32_t Flags);
]]
local ntdll = ffi.load("ntdll")
-- ntdll.RtlWriteNonVolatileMemory(NvToken, NvDestination, Source, Size, Flags)
-- NvToken : void*
-- NvDestination : void* out
-- Source : void*
-- Size : UINT_PTR
-- Flags : DWORD
-- 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('ntdll.dll');
const RtlWriteNonVolatileMemory = lib.func('__stdcall', 'RtlWriteNonVolatileMemory', 'uint32_t', ['void *', 'void *', 'void *', 'uintptr_t', 'uint32_t']);
// RtlWriteNonVolatileMemory(NvToken, NvDestination, Source, Size, Flags)
// NvToken : void* -> 'void *'
// NvDestination : void* out -> 'void *'
// Source : void* -> 'void *'
// Size : UINT_PTR -> 'uintptr_t'
// Flags : DWORD -> 'uint32_t'
// 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("ntdll.dll", {
  RtlWriteNonVolatileMemory: { parameters: ["pointer", "pointer", "pointer", "usize", "u32"], result: "u32" },
});
// lib.symbols.RtlWriteNonVolatileMemory(NvToken, NvDestination, Source, Size, Flags)
// NvToken : void* -> "pointer"
// NvDestination : void* out -> "pointer"
// Source : void* -> "pointer"
// Size : UINT_PTR -> "usize"
// Flags : DWORD -> "u32"
// 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
uint32_t RtlWriteNonVolatileMemory(
    void* NvToken,
    void* NvDestination,
    void* Source,
    size_t Size,
    uint32_t Flags);
C, "ntdll.dll");
// $ffi->RtlWriteNonVolatileMemory(NvToken, NvDestination, Source, Size, Flags);
// NvToken : void*
// NvDestination : void* out
// Source : void*
// Size : UINT_PTR
// Flags : DWORD
// 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 Ntdll extends StdCallLibrary {
    Ntdll INSTANCE = Native.load("ntdll", Ntdll.class);
    int RtlWriteNonVolatileMemory(
        Pointer NvToken,   // void*
        Pointer NvDestination,   // void* out
        Pointer Source,   // void*
        long Size,   // UINT_PTR
        int Flags   // DWORD
    );
}
@[Link("ntdll")]
lib Libntdll
  fun RtlWriteNonVolatileMemory = RtlWriteNonVolatileMemory(
    NvToken : Void*,   # void*
    NvDestination : Void*,   # void* out
    Source : Void*,   # void*
    Size : LibC::SizeT,   # UINT_PTR
    Flags : UInt32   # DWORD
  ) : UInt32
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 RtlWriteNonVolatileMemoryNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, UintPtr, Uint32);
typedef RtlWriteNonVolatileMemoryDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, int, int);
final RtlWriteNonVolatileMemory = DynamicLibrary.open('ntdll.dll')
    .lookupFunction<RtlWriteNonVolatileMemoryNative, RtlWriteNonVolatileMemoryDart>('RtlWriteNonVolatileMemory');
// NvToken : void* -> Pointer<Void>
// NvDestination : void* out -> Pointer<Void>
// Source : void* -> Pointer<Void>
// Size : UINT_PTR -> UintPtr
// Flags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function RtlWriteNonVolatileMemory(
  NvToken: Pointer;   // void*
  NvDestination: Pointer;   // void* out
  Source: Pointer;   // void*
  Size: NativeUInt;   // UINT_PTR
  Flags: DWORD   // DWORD
): DWORD; stdcall;
  external 'ntdll.dll' name 'RtlWriteNonVolatileMemory';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "RtlWriteNonVolatileMemory"
  c_RtlWriteNonVolatileMemory :: Ptr () -> Ptr () -> Ptr () -> CUIntPtr -> Word32 -> IO Word32
-- NvToken : void* -> Ptr ()
-- NvDestination : void* out -> Ptr ()
-- Source : void* -> Ptr ()
-- Size : UINT_PTR -> CUIntPtr
-- Flags : DWORD -> Word32
-- 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 rtlwritenonvolatilememory =
  foreign "RtlWriteNonVolatileMemory"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> size_t @-> uint32_t @-> returning uint32_t)
(* NvToken : void* -> (ptr void) *)
(* NvDestination : void* out -> (ptr void) *)
(* Source : void* -> (ptr void) *)
(* Size : UINT_PTR -> size_t *)
(* Flags : DWORD -> uint32_t *)
(* 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 ntdll (t "ntdll.dll"))
(cffi:use-foreign-library ntdll)

(cffi:defcfun ("RtlWriteNonVolatileMemory" rtl-write-non-volatile-memory :convention :stdcall) :uint32
  (nv-token :pointer)   ; void*
  (nv-destination :pointer)   ; void* out
  (source :pointer)   ; void*
  (size :uint64)   ; UINT_PTR
  (flags :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $RtlWriteNonVolatileMemory = Win32::API::More->new('ntdll',
    'DWORD RtlWriteNonVolatileMemory(LPVOID NvToken, LPVOID NvDestination, LPVOID Source, WPARAM Size, DWORD Flags)');
# my $ret = $RtlWriteNonVolatileMemory->Call($NvToken, $NvDestination, $Source, $Size, $Flags);
# NvToken : void* -> LPVOID
# NvDestination : void* out -> LPVOID
# Source : void* -> LPVOID
# Size : UINT_PTR -> WPARAM
# Flags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。