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SetProcessValidCallTargets
関数制御フローガード用の有効な呼び出しターゲットを設定する。
シグネチャ
// api-ms-win-core-memory-l1-1-3.dll
#include <windows.h>
BOOL SetProcessValidCallTargets(
HANDLE hProcess,
void* VirtualAddress,
UINT_PTR RegionSize,
DWORD NumberOfOffsets,
CFG_CALL_TARGET_INFO* OffsetInformation
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| hProcess | HANDLE | in | 対象プロセスへのハンドル。 |
| VirtualAddress | void* | in | 呼び出しターゲットを有効としてマークする仮想メモリ領域の先頭。このメモリ領域は、いずれかの実行可能なメモリ保護定数を使用して割り当てる必要があります。 |
| RegionSize | UINT_PTR | in | 仮想メモリ領域のサイズ。 |
| NumberOfOffsets | DWORD | in | 仮想メモリ範囲を基準としたオフセットの数。 |
| OffsetInformation | CFG_CALL_TARGET_INFO* | inout | 仮想メモリ範囲を基準としたオフセットとフラグの一覧。 |
戻り値の型: BOOL
公式ドキュメント
制御フローガード (CFG) に有効な間接呼び出しターゲットの一覧を提供し、それらを有効としてマークするかどうかを指定します。
戻り値
操作が成功した場合は TRUE、それ以外の場合は FALSE。この関数のエラー値を取得するには、GetLastError を呼び出します。
解説(Remarks)
対象プロセスで制御フローガードが有効になっていない場合、この関数は成功しません。これは GetProcessMitigationPolicy を使用して確認できます。
出典・ライセンス: 上記「公式ドキュメント」の内容は Microsoft の Win32 API ドキュメント(MicrosoftDocs/sdk-api)を日本語に翻訳・改変したものです。© Microsoft Corporation. CC BY 4.0 で提供。
Microsoft 公式リファレンス: 英語 (en-us) · 日本語 (ja-jp) · 原文ソース (GitHub)
Microsoft 公式リファレンス: 英語 (en-us) · 日本語 (ja-jp) · 原文ソース (GitHub)
各言語での呼び出し定義
// api-ms-win-core-memory-l1-1-3.dll
#include <windows.h>
BOOL SetProcessValidCallTargets(
HANDLE hProcess,
void* VirtualAddress,
UINT_PTR RegionSize,
DWORD NumberOfOffsets,
CFG_CALL_TARGET_INFO* OffsetInformation
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("api-ms-win-core-memory-l1-1-3.dll", SetLastError = true, ExactSpelling = true)]
static extern bool SetProcessValidCallTargets(
IntPtr hProcess, // HANDLE
IntPtr VirtualAddress, // void*
UIntPtr RegionSize, // UINT_PTR
uint NumberOfOffsets, // DWORD
IntPtr OffsetInformation // CFG_CALL_TARGET_INFO* in/out
);<DllImport("api-ms-win-core-memory-l1-1-3.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetProcessValidCallTargets(
hProcess As IntPtr, ' HANDLE
VirtualAddress As IntPtr, ' void*
RegionSize As UIntPtr, ' UINT_PTR
NumberOfOffsets As UInteger, ' DWORD
OffsetInformation As IntPtr ' CFG_CALL_TARGET_INFO* in/out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function' hProcess : HANDLE
' VirtualAddress : void*
' RegionSize : UINT_PTR
' NumberOfOffsets : DWORD
' OffsetInformation : CFG_CALL_TARGET_INFO* in/out
Declare PtrSafe Function SetProcessValidCallTargets Lib "api-ms-win-core-memory-l1-1-3" ( _
ByVal hProcess As LongPtr, _
ByVal VirtualAddress As LongPtr, _
ByVal RegionSize As LongPtr, _
ByVal NumberOfOffsets As Long, _
ByVal OffsetInformation 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
SetProcessValidCallTargets = ctypes.windll.LoadLibrary("api-ms-win-core-memory-l1-1-3.dll").SetProcessValidCallTargets
SetProcessValidCallTargets.restype = wintypes.BOOL
SetProcessValidCallTargets.argtypes = [
wintypes.HANDLE, # hProcess : HANDLE
ctypes.POINTER(None), # VirtualAddress : void*
ctypes.c_size_t, # RegionSize : UINT_PTR
wintypes.DWORD, # NumberOfOffsets : DWORD
ctypes.c_void_p, # OffsetInformation : CFG_CALL_TARGET_INFO* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('api-ms-win-core-memory-l1-1-3.dll')
SetProcessValidCallTargets = Fiddle::Function.new(
lib['SetProcessValidCallTargets'],
[
Fiddle::TYPE_VOIDP, # hProcess : HANDLE
Fiddle::TYPE_VOIDP, # VirtualAddress : void*
Fiddle::TYPE_UINTPTR_T, # RegionSize : UINT_PTR
-Fiddle::TYPE_INT, # NumberOfOffsets : DWORD
Fiddle::TYPE_VOIDP, # OffsetInformation : CFG_CALL_TARGET_INFO* in/out
],
Fiddle::TYPE_INT)#[link(name = "api-ms-win-core-memory-l1-1-3")]
extern "system" {
fn SetProcessValidCallTargets(
hProcess: *mut core::ffi::c_void, // HANDLE
VirtualAddress: *mut (), // void*
RegionSize: usize, // UINT_PTR
NumberOfOffsets: u32, // DWORD
OffsetInformation: *mut CFG_CALL_TARGET_INFO // CFG_CALL_TARGET_INFO* in/out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("api-ms-win-core-memory-l1-1-3.dll", SetLastError = true)]
public static extern bool SetProcessValidCallTargets(IntPtr hProcess, IntPtr VirtualAddress, UIntPtr RegionSize, uint NumberOfOffsets, IntPtr OffsetInformation);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-memory-l1-1-3_SetProcessValidCallTargets' -Namespace Win32 -PassThru
# $api::SetProcessValidCallTargets(hProcess, VirtualAddress, RegionSize, NumberOfOffsets, OffsetInformation)#uselib "api-ms-win-core-memory-l1-1-3.dll"
#func global SetProcessValidCallTargets "SetProcessValidCallTargets" sptr, sptr, sptr, sptr, sptr
; SetProcessValidCallTargets hProcess, VirtualAddress, RegionSize, NumberOfOffsets, varptr(OffsetInformation) ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; VirtualAddress : void* -> "sptr"
; RegionSize : UINT_PTR -> "sptr"
; NumberOfOffsets : DWORD -> "sptr"
; OffsetInformation : CFG_CALL_TARGET_INFO* in/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。出力引数:
#uselib "api-ms-win-core-memory-l1-1-3.dll" #cfunc global SetProcessValidCallTargets "SetProcessValidCallTargets" sptr, sptr, sptr, int, var ; res = SetProcessValidCallTargets(hProcess, VirtualAddress, RegionSize, NumberOfOffsets, OffsetInformation) ; hProcess : HANDLE -> "sptr" ; VirtualAddress : void* -> "sptr" ; RegionSize : UINT_PTR -> "sptr" ; NumberOfOffsets : DWORD -> "int" ; OffsetInformation : CFG_CALL_TARGET_INFO* in/out -> "var" ; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "api-ms-win-core-memory-l1-1-3.dll" #cfunc global SetProcessValidCallTargets "SetProcessValidCallTargets" sptr, sptr, sptr, int, sptr ; res = SetProcessValidCallTargets(hProcess, VirtualAddress, RegionSize, NumberOfOffsets, varptr(OffsetInformation)) ; hProcess : HANDLE -> "sptr" ; VirtualAddress : void* -> "sptr" ; RegionSize : UINT_PTR -> "sptr" ; NumberOfOffsets : DWORD -> "int" ; OffsetInformation : CFG_CALL_TARGET_INFO* in/out -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; BOOL SetProcessValidCallTargets(HANDLE hProcess, void* VirtualAddress, UINT_PTR RegionSize, DWORD NumberOfOffsets, CFG_CALL_TARGET_INFO* OffsetInformation) #uselib "api-ms-win-core-memory-l1-1-3.dll" #cfunc global SetProcessValidCallTargets "SetProcessValidCallTargets" intptr, intptr, intptr, int, var ; res = SetProcessValidCallTargets(hProcess, VirtualAddress, RegionSize, NumberOfOffsets, OffsetInformation) ; hProcess : HANDLE -> "intptr" ; VirtualAddress : void* -> "intptr" ; RegionSize : UINT_PTR -> "intptr" ; NumberOfOffsets : DWORD -> "int" ; OffsetInformation : CFG_CALL_TARGET_INFO* in/out -> "var" ; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; BOOL SetProcessValidCallTargets(HANDLE hProcess, void* VirtualAddress, UINT_PTR RegionSize, DWORD NumberOfOffsets, CFG_CALL_TARGET_INFO* OffsetInformation) #uselib "api-ms-win-core-memory-l1-1-3.dll" #cfunc global SetProcessValidCallTargets "SetProcessValidCallTargets" intptr, intptr, intptr, int, intptr ; res = SetProcessValidCallTargets(hProcess, VirtualAddress, RegionSize, NumberOfOffsets, varptr(OffsetInformation)) ; hProcess : HANDLE -> "intptr" ; VirtualAddress : void* -> "intptr" ; RegionSize : UINT_PTR -> "intptr" ; NumberOfOffsets : DWORD -> "int" ; OffsetInformation : CFG_CALL_TARGET_INFO* in/out -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
api_ms_win_core_memory_l1_1_3 = windows.NewLazySystemDLL("api-ms-win-core-memory-l1-1-3.dll")
procSetProcessValidCallTargets = api_ms_win_core_memory_l1_1_3.NewProc("SetProcessValidCallTargets")
)
// hProcess (HANDLE), VirtualAddress (void*), RegionSize (UINT_PTR), NumberOfOffsets (DWORD), OffsetInformation (CFG_CALL_TARGET_INFO* in/out)
r1, _, err := procSetProcessValidCallTargets.Call(
uintptr(hProcess),
uintptr(VirtualAddress),
uintptr(RegionSize),
uintptr(NumberOfOffsets),
uintptr(OffsetInformation),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction SetProcessValidCallTargets(
hProcess: THandle; // HANDLE
VirtualAddress: Pointer; // void*
RegionSize: NativeUInt; // UINT_PTR
NumberOfOffsets: DWORD; // DWORD
OffsetInformation: Pointer // CFG_CALL_TARGET_INFO* in/out
): BOOL; stdcall;
external 'api-ms-win-core-memory-l1-1-3.dll' name 'SetProcessValidCallTargets';result := DllCall("api-ms-win-core-memory-l1-1-3\SetProcessValidCallTargets"
, "Ptr", hProcess ; HANDLE
, "Ptr", VirtualAddress ; void*
, "UPtr", RegionSize ; UINT_PTR
, "UInt", NumberOfOffsets ; DWORD
, "Ptr", OffsetInformation ; CFG_CALL_TARGET_INFO* in/out
, "Int") ; return: BOOL●SetProcessValidCallTargets(hProcess, VirtualAddress, RegionSize, NumberOfOffsets, OffsetInformation) = DLL("api-ms-win-core-memory-l1-1-3.dll", "bool SetProcessValidCallTargets(void*, void*, int, dword, void*)")
# 呼び出し: SetProcessValidCallTargets(hProcess, VirtualAddress, RegionSize, NumberOfOffsets, OffsetInformation)
# hProcess : HANDLE -> "void*"
# VirtualAddress : void* -> "void*"
# RegionSize : UINT_PTR -> "int"
# NumberOfOffsets : DWORD -> "dword"
# OffsetInformation : CFG_CALL_TARGET_INFO* in/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 "api-ms-win-core-memory-l1-1-3" fn SetProcessValidCallTargets(
hProcess: ?*anyopaque, // HANDLE
VirtualAddress: ?*anyopaque, // void*
RegionSize: usize, // UINT_PTR
NumberOfOffsets: u32, // DWORD
OffsetInformation: [*c]CFG_CALL_TARGET_INFO // CFG_CALL_TARGET_INFO* in/out
) callconv(std.os.windows.WINAPI) i32;proc SetProcessValidCallTargets(
hProcess: pointer, # HANDLE
VirtualAddress: pointer, # void*
RegionSize: uint, # UINT_PTR
NumberOfOffsets: uint32, # DWORD
OffsetInformation: ptr CFG_CALL_TARGET_INFO # CFG_CALL_TARGET_INFO* in/out
): int32 {.importc: "SetProcessValidCallTargets", stdcall, dynlib: "api-ms-win-core-memory-l1-1-3.dll".}pragma(lib, "api-ms-win-core-memory-l1-1-3");
extern(Windows)
int SetProcessValidCallTargets(
void* hProcess, // HANDLE
void* VirtualAddress, // void*
size_t RegionSize, // UINT_PTR
uint NumberOfOffsets, // DWORD
CFG_CALL_TARGET_INFO* OffsetInformation // CFG_CALL_TARGET_INFO* in/out
);ccall((:SetProcessValidCallTargets, "api-ms-win-core-memory-l1-1-3.dll"), stdcall, Int32,
(Ptr{Cvoid}, Ptr{Cvoid}, Csize_t, UInt32, Ptr{CFG_CALL_TARGET_INFO}),
hProcess, VirtualAddress, RegionSize, NumberOfOffsets, OffsetInformation)
# hProcess : HANDLE -> Ptr{Cvoid}
# VirtualAddress : void* -> Ptr{Cvoid}
# RegionSize : UINT_PTR -> Csize_t
# NumberOfOffsets : DWORD -> UInt32
# OffsetInformation : CFG_CALL_TARGET_INFO* in/out -> Ptr{CFG_CALL_TARGET_INFO}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t SetProcessValidCallTargets(
void* hProcess,
void* VirtualAddress,
uintptr_t RegionSize,
uint32_t NumberOfOffsets,
void* OffsetInformation);
]]
local api-ms-win-core-memory-l1-1-3 = ffi.load("api-ms-win-core-memory-l1-1-3")
-- api-ms-win-core-memory-l1-1-3.SetProcessValidCallTargets(hProcess, VirtualAddress, RegionSize, NumberOfOffsets, OffsetInformation)
-- hProcess : HANDLE
-- VirtualAddress : void*
-- RegionSize : UINT_PTR
-- NumberOfOffsets : DWORD
-- OffsetInformation : CFG_CALL_TARGET_INFO* in/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('api-ms-win-core-memory-l1-1-3.dll');
const SetProcessValidCallTargets = lib.func('__stdcall', 'SetProcessValidCallTargets', 'int32_t', ['void *', 'void *', 'uintptr_t', 'uint32_t', 'void *']);
// SetProcessValidCallTargets(hProcess, VirtualAddress, RegionSize, NumberOfOffsets, OffsetInformation)
// hProcess : HANDLE -> 'void *'
// VirtualAddress : void* -> 'void *'
// RegionSize : UINT_PTR -> 'uintptr_t'
// NumberOfOffsets : DWORD -> 'uint32_t'
// OffsetInformation : CFG_CALL_TARGET_INFO* in/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("api-ms-win-core-memory-l1-1-3.dll", {
SetProcessValidCallTargets: { parameters: ["pointer", "pointer", "usize", "u32", "pointer"], result: "i32" },
});
// lib.symbols.SetProcessValidCallTargets(hProcess, VirtualAddress, RegionSize, NumberOfOffsets, OffsetInformation)
// hProcess : HANDLE -> "pointer"
// VirtualAddress : void* -> "pointer"
// RegionSize : UINT_PTR -> "usize"
// NumberOfOffsets : DWORD -> "u32"
// OffsetInformation : CFG_CALL_TARGET_INFO* in/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 SetProcessValidCallTargets(
void* hProcess,
void* VirtualAddress,
size_t RegionSize,
uint32_t NumberOfOffsets,
void* OffsetInformation);
C, "api-ms-win-core-memory-l1-1-3.dll");
// $ffi->SetProcessValidCallTargets(hProcess, VirtualAddress, RegionSize, NumberOfOffsets, OffsetInformation);
// hProcess : HANDLE
// VirtualAddress : void*
// RegionSize : UINT_PTR
// NumberOfOffsets : DWORD
// OffsetInformation : CFG_CALL_TARGET_INFO* in/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 Api-ms-win-core-memory-l1-1-3 extends StdCallLibrary {
Api-ms-win-core-memory-l1-1-3 INSTANCE = Native.load("api-ms-win-core-memory-l1-1-3", Api-ms-win-core-memory-l1-1-3.class);
boolean SetProcessValidCallTargets(
Pointer hProcess, // HANDLE
Pointer VirtualAddress, // void*
long RegionSize, // UINT_PTR
int NumberOfOffsets, // DWORD
Pointer OffsetInformation // CFG_CALL_TARGET_INFO* in/out
);
}@[Link("api-ms-win-core-memory-l1-1-3")]
lib Libapi-ms-win-core-memory-l1-1-3
fun SetProcessValidCallTargets = SetProcessValidCallTargets(
hProcess : Void*, # HANDLE
VirtualAddress : Void*, # void*
RegionSize : LibC::SizeT, # UINT_PTR
NumberOfOffsets : UInt32, # DWORD
OffsetInformation : CFG_CALL_TARGET_INFO* # CFG_CALL_TARGET_INFO* in/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 SetProcessValidCallTargetsNative = Int32 Function(Pointer<Void>, Pointer<Void>, UintPtr, Uint32, Pointer<Void>);
typedef SetProcessValidCallTargetsDart = int Function(Pointer<Void>, Pointer<Void>, int, int, Pointer<Void>);
final SetProcessValidCallTargets = DynamicLibrary.open('api-ms-win-core-memory-l1-1-3.dll')
.lookupFunction<SetProcessValidCallTargetsNative, SetProcessValidCallTargetsDart>('SetProcessValidCallTargets');
// hProcess : HANDLE -> Pointer<Void>
// VirtualAddress : void* -> Pointer<Void>
// RegionSize : UINT_PTR -> UintPtr
// NumberOfOffsets : DWORD -> Uint32
// OffsetInformation : CFG_CALL_TARGET_INFO* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function SetProcessValidCallTargets(
hProcess: THandle; // HANDLE
VirtualAddress: Pointer; // void*
RegionSize: NativeUInt; // UINT_PTR
NumberOfOffsets: DWORD; // DWORD
OffsetInformation: Pointer // CFG_CALL_TARGET_INFO* in/out
): BOOL; stdcall;
external 'api-ms-win-core-memory-l1-1-3.dll' name 'SetProcessValidCallTargets';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "SetProcessValidCallTargets"
c_SetProcessValidCallTargets :: Ptr () -> Ptr () -> CUIntPtr -> Word32 -> Ptr () -> IO CInt
-- hProcess : HANDLE -> Ptr ()
-- VirtualAddress : void* -> Ptr ()
-- RegionSize : UINT_PTR -> CUIntPtr
-- NumberOfOffsets : DWORD -> Word32
-- OffsetInformation : CFG_CALL_TARGET_INFO* in/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 setprocessvalidcalltargets =
foreign "SetProcessValidCallTargets"
((ptr void) @-> (ptr void) @-> size_t @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* hProcess : HANDLE -> (ptr void) *)
(* VirtualAddress : void* -> (ptr void) *)
(* RegionSize : UINT_PTR -> size_t *)
(* NumberOfOffsets : DWORD -> uint32_t *)
(* OffsetInformation : CFG_CALL_TARGET_INFO* in/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 api-ms-win-core-memory-l1-1-3 (t "api-ms-win-core-memory-l1-1-3.dll"))
(cffi:use-foreign-library api-ms-win-core-memory-l1-1-3)
(cffi:defcfun ("SetProcessValidCallTargets" set-process-valid-call-targets :convention :stdcall) :int32
(h-process :pointer) ; HANDLE
(virtual-address :pointer) ; void*
(region-size :uint64) ; UINT_PTR
(number-of-offsets :uint32) ; DWORD
(offset-information :pointer)) ; CFG_CALL_TARGET_INFO* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $SetProcessValidCallTargets = Win32::API::More->new('api-ms-win-core-memory-l1-1-3',
'BOOL SetProcessValidCallTargets(HANDLE hProcess, LPVOID VirtualAddress, WPARAM RegionSize, DWORD NumberOfOffsets, LPVOID OffsetInformation)');
# my $ret = $SetProcessValidCallTargets->Call($hProcess, $VirtualAddress, $RegionSize, $NumberOfOffsets, $OffsetInformation);
# hProcess : HANDLE -> HANDLE
# VirtualAddress : void* -> LPVOID
# RegionSize : UINT_PTR -> WPARAM
# NumberOfOffsets : DWORD -> DWORD
# OffsetInformation : CFG_CALL_TARGET_INFO* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。