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EVENT_TRACE

構造体
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サイズx64: 120 バイト / x86: 96 バイト

サイズ=各フィールドのバイト数(x64/x86 で異なる場合は x64/x86 と併記)。x64/x86 列=フィールドのバイトオフセット(HSPで dupptr / lpoke / wpoke 等に使用)。

フィールド

フィールド型サイズx64x86説明
HeaderEVENT_TRACE_HEADER64/56+0+0イベントのメタデータを保持するEVENT_TRACE_HEADER。
InstanceIdDWORD4+64+56イベントインスタンスの識別子。
ParentInstanceIdDWORD4+68+60親イベントインスタンスの識別子。
ParentGuidGUID16+72+64親イベントクラスのGUID。
MofDatavoid*8/4+88+80イベント固有データ(MOFペイロード)へのポインタ。
MofLengthDWORD4+96+84MofDataが指すデータのバイト数。
Anonymous_Anonymous_e__Union16/8+104+88ClientContext等を含む共用体。

共用体: _Anonymous_e__Union x64 16B / x86 8B

フィールド型サイズx64x86
ClientContextDWORD4+0+0
BufferContextETW_BUFFER_CONTEXT16/8+0+0

各言語での定義

#include <windows.h>

// EVENT_TRACE_HEADER  (x64 64 / x86 56 バイト)
typedef struct EVENT_TRACE_HEADER {
    WORD Size;
    _Anonymous1_e__Union Anonymous1;
    _Anonymous2_e__Union Anonymous2;
    DWORD ThreadId;
    DWORD ProcessId;
    LONGLONG TimeStamp;
    _Anonymous3_e__Union Anonymous3;
    _Anonymous4_e__Union Anonymous4;
} EVENT_TRACE_HEADER;

// EVENT_TRACE  (x64 120 / x86 96 バイト)
typedef struct EVENT_TRACE {
    EVENT_TRACE_HEADER Header;
    DWORD InstanceId;
    DWORD ParentInstanceId;
    GUID ParentGuid;
    void* MofData;
    DWORD MofLength;
    _Anonymous_e__Union Anonymous;
} EVENT_TRACE;
using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct EVENT_TRACE_HEADER
{
    public ushort Size;
    public _Anonymous1_e__Union Anonymous1;
    public _Anonymous2_e__Union Anonymous2;
    public uint ThreadId;
    public uint ProcessId;
    public long TimeStamp;
    public _Anonymous3_e__Union Anonymous3;
    public _Anonymous4_e__Union Anonymous4;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct EVENT_TRACE
{
    public EVENT_TRACE_HEADER Header;
    public uint InstanceId;
    public uint ParentInstanceId;
    public Guid ParentGuid;
    public IntPtr MofData;
    public uint MofLength;
    public _Anonymous_e__Union Anonymous;
}
Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure EVENT_TRACE_HEADER
    Public Size As UShort
    Public Anonymous1 As _Anonymous1_e__Union
    Public Anonymous2 As _Anonymous2_e__Union
    Public ThreadId As UInteger
    Public ProcessId As UInteger
    Public TimeStamp As Long
    Public Anonymous3 As _Anonymous3_e__Union
    Public Anonymous4 As _Anonymous4_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure EVENT_TRACE
    Public Header As EVENT_TRACE_HEADER
    Public InstanceId As UInteger
    Public ParentInstanceId As UInteger
    Public ParentGuid As Guid
    Public MofData As IntPtr
    Public MofLength As UInteger
    Public Anonymous As _Anonymous_e__Union
End Structure
import ctypes
from ctypes import wintypes

class EVENT_TRACE_HEADER(ctypes.Structure):
    _fields_ = [
        ("Size", ctypes.c_ushort),
        ("Anonymous1", _Anonymous1_e__Union),
        ("Anonymous2", _Anonymous2_e__Union),
        ("ThreadId", wintypes.DWORD),
        ("ProcessId", wintypes.DWORD),
        ("TimeStamp", ctypes.c_longlong),
        ("Anonymous3", _Anonymous3_e__Union),
        ("Anonymous4", _Anonymous4_e__Union),
    ]

class EVENT_TRACE(ctypes.Structure):
    _fields_ = [
        ("Header", EVENT_TRACE_HEADER),
        ("InstanceId", wintypes.DWORD),
        ("ParentInstanceId", wintypes.DWORD),
        ("ParentGuid", GUID),
        ("MofData", ctypes.c_void_p),
        ("MofLength", wintypes.DWORD),
        ("Anonymous", _Anonymous_e__Union),
    ]
#[repr(C)]
pub struct EVENT_TRACE_HEADER {
    pub Size: u16,
    pub Anonymous1: _Anonymous1_e__Union,
    pub Anonymous2: _Anonymous2_e__Union,
    pub ThreadId: u32,
    pub ProcessId: u32,
    pub TimeStamp: i64,
    pub Anonymous3: _Anonymous3_e__Union,
    pub Anonymous4: _Anonymous4_e__Union,
}

#[repr(C)]
pub struct EVENT_TRACE {
    pub Header: EVENT_TRACE_HEADER,
    pub InstanceId: u32,
    pub ParentInstanceId: u32,
    pub ParentGuid: GUID,
    pub MofData: *mut core::ffi::c_void,
    pub MofLength: u32,
    pub Anonymous: _Anonymous_e__Union,
}
import "golang.org/x/sys/windows"

type EVENT_TRACE_HEADER struct {
	Size uint16
	Anonymous1 _Anonymous1_e__Union
	Anonymous2 _Anonymous2_e__Union
	ThreadId uint32
	ProcessId uint32
	TimeStamp int64
	Anonymous3 _Anonymous3_e__Union
	Anonymous4 _Anonymous4_e__Union
}

type EVENT_TRACE struct {
	Header EVENT_TRACE_HEADER
	InstanceId uint32
	ParentInstanceId uint32
	ParentGuid windows.GUID
	MofData uintptr
	MofLength uint32
	Anonymous _Anonymous_e__Union
}
type
  EVENT_TRACE_HEADER = record
    Size: Word;
    Anonymous1: _Anonymous1_e__Union;
    Anonymous2: _Anonymous2_e__Union;
    ThreadId: DWORD;
    ProcessId: DWORD;
    TimeStamp: Int64;
    Anonymous3: _Anonymous3_e__Union;
    Anonymous4: _Anonymous4_e__Union;
  end;

  EVENT_TRACE = record
    Header: EVENT_TRACE_HEADER;
    InstanceId: DWORD;
    ParentInstanceId: DWORD;
    ParentGuid: TGUID;
    MofData: Pointer;
    MofLength: DWORD;
    Anonymous: _Anonymous_e__Union;
  end;
const EVENT_TRACE_HEADER = extern struct {
    Size: u16,
    Anonymous1: _Anonymous1_e__Union,
    Anonymous2: _Anonymous2_e__Union,
    ThreadId: u32,
    ProcessId: u32,
    TimeStamp: i64,
    Anonymous3: _Anonymous3_e__Union,
    Anonymous4: _Anonymous4_e__Union,
};

const EVENT_TRACE = extern struct {
    Header: EVENT_TRACE_HEADER,
    InstanceId: u32,
    ParentInstanceId: u32,
    ParentGuid: GUID,
    MofData: ?*anyopaque,
    MofLength: u32,
    Anonymous: _Anonymous_e__Union,
};
type
  EVENT_TRACE_HEADER {.bycopy.} = object
    Size: uint16
    Anonymous1: _Anonymous1_e__Union
    Anonymous2: _Anonymous2_e__Union
    ThreadId: uint32
    ProcessId: uint32
    TimeStamp: int64
    Anonymous3: _Anonymous3_e__Union
    Anonymous4: _Anonymous4_e__Union

  EVENT_TRACE {.bycopy.} = object
    Header: EVENT_TRACE_HEADER
    InstanceId: uint32
    ParentInstanceId: uint32
    ParentGuid: GUID
    MofData: pointer
    MofLength: uint32
    Anonymous: _Anonymous_e__Union
struct EVENT_TRACE_HEADER
{
    ushort Size;
    _Anonymous1_e__Union Anonymous1;
    _Anonymous2_e__Union Anonymous2;
    uint ThreadId;
    uint ProcessId;
    long TimeStamp;
    _Anonymous3_e__Union Anonymous3;
    _Anonymous4_e__Union Anonymous4;
}

struct EVENT_TRACE
{
    EVENT_TRACE_HEADER Header;
    uint InstanceId;
    uint ParentInstanceId;
    GUID ParentGuid;
    void* MofData;
    uint MofLength;
    _Anonymous_e__Union Anonymous;
}

HSP用 定義

HSP3.7/3.8 は構造体機能が無いため4byte整数配列(dim)+peek/poke で操作(32/64bitでサイズ・位置が異なる場合はタブで分割)。IronHSP は NSTRUCT(#defstruct/stdim/->)で32/64bit共通。

; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x86 レイアウト)
; EVENT_TRACE サイズ: 96 バイト(x86)
dim st, 24    ; 4byte整数×24(構造体サイズ 96 / 4 切り上げ)
; Header : EVENT_TRACE_HEADER (+0, 56byte)  varptr(st)+0 を基点に操作(56byte:入れ子/配列)
; InstanceId : DWORD (+56, 4byte)  st.14 = 値  /  値 = st.14   (lpoke/lpeek も可)
; ParentInstanceId : DWORD (+60, 4byte)  st.15 = 値  /  値 = st.15   (lpoke/lpeek も可)
; ParentGuid : GUID (+64, 16byte)  varptr(st)+64 を基点に操作(16byte:入れ子/配列)
; MofData : void* (+80, 4byte)  st.20 = 値  /  値 = st.20   (lpoke/lpeek も可)
; MofLength : DWORD (+84, 4byte)  st.21 = 値  /  値 = st.21   (lpoke/lpeek も可)
; Anonymous : _Anonymous_e__Union (+88, 8byte)  varptr(st)+88 を基点に操作(8byte:入れ子/配列)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。
; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x64 レイアウト)
; EVENT_TRACE サイズ: 120 バイト(x64)
dim st, 30    ; 4byte整数×30(構造体サイズ 120 / 4 切り上げ)
; Header : EVENT_TRACE_HEADER (+0, 64byte)  varptr(st)+0 を基点に操作(64byte:入れ子/配列)
; InstanceId : DWORD (+64, 4byte)  st.16 = 値  /  値 = st.16   (lpoke/lpeek も可)
; ParentInstanceId : DWORD (+68, 4byte)  st.17 = 値  /  値 = st.17   (lpoke/lpeek も可)
; ParentGuid : GUID (+72, 16byte)  varptr(st)+72 を基点に操作(16byte:入れ子/配列)
; MofData : void* (+88, 8byte)  qpoke st,88,値 / qpeek(st,88)  ※IronHSPのみ。3.7/3.8は lpoke st,88,下位 : lpoke st,92,上位
; MofLength : DWORD (+96, 4byte)  st.24 = 値  /  値 = st.24   (lpoke/lpeek も可)
; Anonymous : _Anonymous_e__Union (+104, 16byte)  varptr(st)+104 を基点に操作(16byte:入れ子/配列)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。
; IronHSP は NSTRUCT(構造体)をサポート。32bit/64bit どちらでも同じコードで動作します。
; ※GUID・入れ子構造体はデフォルト型でないため、依存する #defstruct を先に定義(下記に同梱)。
#defstruct global EVENT_TRACE_HEADER
    #field short Size
    #field byte Anonymous1 8
    #field byte Anonymous2 8
    #field int ThreadId
    #field int ProcessId
    #field int64 TimeStamp
    #field byte Anonymous3 16
    #field byte Anonymous4 8
#endstruct

#defstruct global GUID, pack=1
    #field int Data1
    #field short Data2
    #field short Data3
    #field byte Data4 8
#endstruct

#defstruct global EVENT_TRACE
    #field EVENT_TRACE_HEADER Header
    #field int InstanceId
    #field int ParentInstanceId
    #field GUID ParentGuid
    #field intptr MofData
    #field int MofLength
    #field byte Anonymous 16
#endstruct

stdim st, EVENT_TRACE        ; NSTRUCT 変数を確保
st->InstanceId = 100
mes "InstanceId=" + st->InstanceId
; ※union フィールドは byte 列で確保(NSTRUCT は union 非対応)。必要に応じ手動でアクセス。