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GetGuestOsInfo

関数
指定VTLのゲストOS情報を取得する。
DLLVmSavedStateDumpProvider.dll呼出規約winapi

シグネチャ

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

HRESULT GetGuestOsInfo(
    void* vmSavedStateDumpHandle,
    BYTE virtualTrustLevel,
    GUEST_OS_INFO* guestOsInfo
);

パラメーター

名前型方向説明
vmSavedStateDumpHandlevoid*inout対象の保存状態ダンプハンドルを指定する。
virtualTrustLevelBYTEin情報を取得する対象の仮想信頼レベル(VTL)番号を指定する。
guestOsInfoGUEST_OS_INFO*outゲストOSのバージョン情報等を受け取る構造体へのポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT GetGuestOsInfo(
    void* vmSavedStateDumpHandle,
    BYTE virtualTrustLevel,
    GUEST_OS_INFO* guestOsInfo
);
[DllImport("VmSavedStateDumpProvider.dll", ExactSpelling = true)]
static extern int GetGuestOsInfo(
    IntPtr vmSavedStateDumpHandle,   // void* in/out
    byte virtualTrustLevel,   // BYTE
    IntPtr guestOsInfo   // GUEST_OS_INFO* out
);
<DllImport("VmSavedStateDumpProvider.dll", ExactSpelling:=True)>
Public Shared Function GetGuestOsInfo(
    vmSavedStateDumpHandle As IntPtr,   ' void* in/out
    virtualTrustLevel As Byte,   ' BYTE
    guestOsInfo As IntPtr   ' GUEST_OS_INFO* out
) As Integer
End Function
' vmSavedStateDumpHandle : void* in/out
' virtualTrustLevel : BYTE
' guestOsInfo : GUEST_OS_INFO* out
Declare PtrSafe Function GetGuestOsInfo Lib "vmsavedstatedumpprovider" ( _
    ByVal vmSavedStateDumpHandle As LongPtr, _
    ByVal virtualTrustLevel As Byte, _
    ByVal guestOsInfo 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

GetGuestOsInfo = ctypes.windll.vmsavedstatedumpprovider.GetGuestOsInfo
GetGuestOsInfo.restype = ctypes.c_int
GetGuestOsInfo.argtypes = [
    ctypes.POINTER(None),  # vmSavedStateDumpHandle : void* in/out
    ctypes.c_ubyte,  # virtualTrustLevel : BYTE
    ctypes.c_void_p,  # guestOsInfo : GUEST_OS_INFO* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VmSavedStateDumpProvider.dll')
GetGuestOsInfo = Fiddle::Function.new(
  lib['GetGuestOsInfo'],
  [
    Fiddle::TYPE_VOIDP,  # vmSavedStateDumpHandle : void* in/out
    -Fiddle::TYPE_CHAR,  # virtualTrustLevel : BYTE
    Fiddle::TYPE_VOIDP,  # guestOsInfo : GUEST_OS_INFO* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "vmsavedstatedumpprovider")]
extern "system" {
    fn GetGuestOsInfo(
        vmSavedStateDumpHandle: *mut (),  // void* in/out
        virtualTrustLevel: u8,  // BYTE
        guestOsInfo: *mut GUEST_OS_INFO  // GUEST_OS_INFO* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("VmSavedStateDumpProvider.dll")]
public static extern int GetGuestOsInfo(IntPtr vmSavedStateDumpHandle, byte virtualTrustLevel, IntPtr guestOsInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VmSavedStateDumpProvider_GetGuestOsInfo' -Namespace Win32 -PassThru
# $api::GetGuestOsInfo(vmSavedStateDumpHandle, virtualTrustLevel, guestOsInfo)
#uselib "VmSavedStateDumpProvider.dll"
#func global GetGuestOsInfo "GetGuestOsInfo" sptr, sptr, sptr
; GetGuestOsInfo vmSavedStateDumpHandle, virtualTrustLevel, varptr(guestOsInfo)   ; 戻り値は stat
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; virtualTrustLevel : BYTE -> "sptr"
; guestOsInfo : GUEST_OS_INFO* 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 "VmSavedStateDumpProvider.dll"
#cfunc global GetGuestOsInfo "GetGuestOsInfo" sptr, int, var
; res = GetGuestOsInfo(vmSavedStateDumpHandle, virtualTrustLevel, guestOsInfo)
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; virtualTrustLevel : BYTE -> "int"
; guestOsInfo : GUEST_OS_INFO* 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。
出力引数: 
; HRESULT GetGuestOsInfo(void* vmSavedStateDumpHandle, BYTE virtualTrustLevel, GUEST_OS_INFO* guestOsInfo)
#uselib "VmSavedStateDumpProvider.dll"
#cfunc global GetGuestOsInfo "GetGuestOsInfo" intptr, int, var
; res = GetGuestOsInfo(vmSavedStateDumpHandle, virtualTrustLevel, guestOsInfo)
; vmSavedStateDumpHandle : void* in/out -> "intptr"
; virtualTrustLevel : BYTE -> "int"
; guestOsInfo : GUEST_OS_INFO* 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	vmsavedstatedumpprovider = windows.NewLazySystemDLL("VmSavedStateDumpProvider.dll")
	procGetGuestOsInfo = vmsavedstatedumpprovider.NewProc("GetGuestOsInfo")
)

// vmSavedStateDumpHandle (void* in/out), virtualTrustLevel (BYTE), guestOsInfo (GUEST_OS_INFO* out)
r1, _, err := procGetGuestOsInfo.Call(
	uintptr(vmSavedStateDumpHandle),
	uintptr(virtualTrustLevel),
	uintptr(guestOsInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function GetGuestOsInfo(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  virtualTrustLevel: Byte;   // BYTE
  guestOsInfo: Pointer   // GUEST_OS_INFO* out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'GetGuestOsInfo';
result := DllCall("VmSavedStateDumpProvider\GetGuestOsInfo"
    , "Ptr", vmSavedStateDumpHandle   ; void* in/out
    , "UChar", virtualTrustLevel   ; BYTE
    , "Ptr", guestOsInfo   ; GUEST_OS_INFO* out
    , "Int")   ; return: HRESULT
●GetGuestOsInfo(vmSavedStateDumpHandle, virtualTrustLevel, guestOsInfo) = DLL("VmSavedStateDumpProvider.dll", "int GetGuestOsInfo(void*, byte, void*)")
# 呼び出し: GetGuestOsInfo(vmSavedStateDumpHandle, virtualTrustLevel, guestOsInfo)
# vmSavedStateDumpHandle : void* in/out -> "void*"
# virtualTrustLevel : BYTE -> "byte"
# guestOsInfo : GUEST_OS_INFO* 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 GetGuestOsInfo(
    vmSavedStateDumpHandle: ?*anyopaque, // void* in/out
    virtualTrustLevel: u8, // BYTE
    guestOsInfo: [*c]GUEST_OS_INFO // GUEST_OS_INFO* out
) callconv(std.os.windows.WINAPI) i32;
proc GetGuestOsInfo(
    vmSavedStateDumpHandle: pointer,  # void* in/out
    virtualTrustLevel: uint8,  # BYTE
    guestOsInfo: ptr GUEST_OS_INFO  # GUEST_OS_INFO* out
): int32 {.importc: "GetGuestOsInfo", stdcall, dynlib: "VmSavedStateDumpProvider.dll".}
pragma(lib, "vmsavedstatedumpprovider");
extern(Windows)
int GetGuestOsInfo(
    void* vmSavedStateDumpHandle,   // void* in/out
    ubyte virtualTrustLevel,   // BYTE
    GUEST_OS_INFO* guestOsInfo   // GUEST_OS_INFO* out
);
ccall((:GetGuestOsInfo, "VmSavedStateDumpProvider.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt8, Ptr{GUEST_OS_INFO}),
      vmSavedStateDumpHandle, virtualTrustLevel, guestOsInfo)
# vmSavedStateDumpHandle : void* in/out -> Ptr{Cvoid}
# virtualTrustLevel : BYTE -> UInt8
# guestOsInfo : GUEST_OS_INFO* out -> Ptr{GUEST_OS_INFO}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t GetGuestOsInfo(
    void* vmSavedStateDumpHandle,
    uint8_t virtualTrustLevel,
    void* guestOsInfo);
]]
local vmsavedstatedumpprovider = ffi.load("vmsavedstatedumpprovider")
-- vmsavedstatedumpprovider.GetGuestOsInfo(vmSavedStateDumpHandle, virtualTrustLevel, guestOsInfo)
-- vmSavedStateDumpHandle : void* in/out
-- virtualTrustLevel : BYTE
-- guestOsInfo : GUEST_OS_INFO* 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 GetGuestOsInfo = lib.func('__stdcall', 'GetGuestOsInfo', 'int32_t', ['void *', 'uint8_t', 'void *']);
// GetGuestOsInfo(vmSavedStateDumpHandle, virtualTrustLevel, guestOsInfo)
// vmSavedStateDumpHandle : void* in/out -> 'void *'
// virtualTrustLevel : BYTE -> 'uint8_t'
// guestOsInfo : GUEST_OS_INFO* 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", {
  GetGuestOsInfo: { parameters: ["pointer", "u8", "pointer"], result: "i32" },
});
// lib.symbols.GetGuestOsInfo(vmSavedStateDumpHandle, virtualTrustLevel, guestOsInfo)
// vmSavedStateDumpHandle : void* in/out -> "pointer"
// virtualTrustLevel : BYTE -> "u8"
// guestOsInfo : GUEST_OS_INFO* 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 GetGuestOsInfo(
    void* vmSavedStateDumpHandle,
    uint8_t virtualTrustLevel,
    void* guestOsInfo);
C, "VmSavedStateDumpProvider.dll");
// $ffi->GetGuestOsInfo(vmSavedStateDumpHandle, virtualTrustLevel, guestOsInfo);
// vmSavedStateDumpHandle : void* in/out
// virtualTrustLevel : BYTE
// guestOsInfo : GUEST_OS_INFO* 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 GetGuestOsInfo(
        Pointer vmSavedStateDumpHandle,   // void* in/out
        byte virtualTrustLevel,   // BYTE
        Pointer guestOsInfo   // GUEST_OS_INFO* out
    );
}
@[Link("vmsavedstatedumpprovider")]
lib LibVmSavedStateDumpProvider
  fun GetGuestOsInfo = GetGuestOsInfo(
    vmSavedStateDumpHandle : Void*,   # void* in/out
    virtualTrustLevel : UInt8,   # BYTE
    guestOsInfo : GUEST_OS_INFO*   # GUEST_OS_INFO* 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 GetGuestOsInfoNative = Int32 Function(Pointer<Void>, Uint8, Pointer<Void>);
typedef GetGuestOsInfoDart = int Function(Pointer<Void>, int, Pointer<Void>);
final GetGuestOsInfo = DynamicLibrary.open('VmSavedStateDumpProvider.dll')
    .lookupFunction<GetGuestOsInfoNative, GetGuestOsInfoDart>('GetGuestOsInfo');
// vmSavedStateDumpHandle : void* in/out -> Pointer<Void>
// virtualTrustLevel : BYTE -> Uint8
// guestOsInfo : GUEST_OS_INFO* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function GetGuestOsInfo(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  virtualTrustLevel: Byte;   // BYTE
  guestOsInfo: Pointer   // GUEST_OS_INFO* out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'GetGuestOsInfo';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GetGuestOsInfo"
  c_GetGuestOsInfo :: Ptr () -> Word8 -> Ptr () -> IO Int32
-- vmSavedStateDumpHandle : void* in/out -> Ptr ()
-- virtualTrustLevel : BYTE -> Word8
-- guestOsInfo : GUEST_OS_INFO* 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 getguestosinfo =
  foreign "GetGuestOsInfo"
    ((ptr void) @-> uint8_t @-> (ptr void) @-> returning int32_t)
(* vmSavedStateDumpHandle : void* in/out -> (ptr void) *)
(* virtualTrustLevel : BYTE -> uint8_t *)
(* guestOsInfo : GUEST_OS_INFO* 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 ("GetGuestOsInfo" get-guest-os-info :convention :stdcall) :int32
  (vm-saved-state-dump-handle :pointer)   ; void* in/out
  (virtual-trust-level :uint8)   ; BYTE
  (guest-os-info :pointer))   ; GUEST_OS_INFO* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $GetGuestOsInfo = Win32::API::More->new('VmSavedStateDumpProvider',
    'int GetGuestOsInfo(LPVOID vmSavedStateDumpHandle, BYTE virtualTrustLevel, LPVOID guestOsInfo)');
# my $ret = $GetGuestOsInfo->Call($vmSavedStateDumpHandle, $virtualTrustLevel, $guestOsInfo);
# vmSavedStateDumpHandle : void* in/out -> LPVOID
# virtualTrustLevel : BYTE -> BYTE
# guestOsInfo : GUEST_OS_INFO* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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