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IMAGE_COR_ILMETHOD_SECT_EH_SMALL

構造体
サイズx64: 16 バイト / x86: 16 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

フィールドサイズx64x86説明
SectSmallIMAGE_COR_ILMETHOD_SECT_SMALL2+0+0小型形式EHセクションのヘッダー(IMAGE_COR_ILMETHOD_SECT_SMALL)。
ReservedWORD2+2+2アラインメント用の予約フィールド。
ClausesIMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL12+4+4小型形式の例外句配列の先頭要素。実際には可変長で続く。

各言語での定義

#include <windows.h>

// IMAGE_COR_ILMETHOD_SECT_SMALL  (x64 2 / x86 2 バイト)
typedef struct IMAGE_COR_ILMETHOD_SECT_SMALL {
    BYTE Kind;
    BYTE DataSize;
} IMAGE_COR_ILMETHOD_SECT_SMALL;

// IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL  (x64 12 / x86 12 バイト)
typedef struct IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL {
    DWORD _bitfield1;
    DWORD _bitfield2;
    _Anonymous_e__Union Anonymous;
} IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL;

// IMAGE_COR_ILMETHOD_SECT_EH_SMALL  (x64 16 / x86 16 バイト)
typedef struct IMAGE_COR_ILMETHOD_SECT_EH_SMALL {
    IMAGE_COR_ILMETHOD_SECT_SMALL SectSmall;
    WORD Reserved;
    IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL Clauses[1];
} IMAGE_COR_ILMETHOD_SECT_EH_SMALL;
using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IMAGE_COR_ILMETHOD_SECT_SMALL
{
    public byte Kind;
    public byte DataSize;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL
{
    public uint _bitfield1;
    public uint _bitfield2;
    public _Anonymous_e__Union Anonymous;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IMAGE_COR_ILMETHOD_SECT_EH_SMALL
{
    public IMAGE_COR_ILMETHOD_SECT_SMALL SectSmall;
    public ushort Reserved;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL[] Clauses;
}
Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IMAGE_COR_ILMETHOD_SECT_SMALL
    Public Kind As Byte
    Public DataSize As Byte
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL
    Public _bitfield1 As UInteger
    Public _bitfield2 As UInteger
    Public Anonymous As _Anonymous_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IMAGE_COR_ILMETHOD_SECT_EH_SMALL
    Public SectSmall As IMAGE_COR_ILMETHOD_SECT_SMALL
    Public Reserved As UShort
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public Clauses() As IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL
End Structure
import ctypes
from ctypes import wintypes

class IMAGE_COR_ILMETHOD_SECT_SMALL(ctypes.Structure):
    _fields_ = [
        ("Kind", ctypes.c_ubyte),
        ("DataSize", ctypes.c_ubyte),
    ]

class IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL(ctypes.Structure):
    _fields_ = [
        ("_bitfield1", wintypes.DWORD),
        ("_bitfield2", wintypes.DWORD),
        ("Anonymous", _Anonymous_e__Union),
    ]

class IMAGE_COR_ILMETHOD_SECT_EH_SMALL(ctypes.Structure):
    _fields_ = [
        ("SectSmall", IMAGE_COR_ILMETHOD_SECT_SMALL),
        ("Reserved", ctypes.c_ushort),
        ("Clauses", IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL * 1),
    ]
#[repr(C)]
pub struct IMAGE_COR_ILMETHOD_SECT_SMALL {
    pub Kind: u8,
    pub DataSize: u8,
}

#[repr(C)]
pub struct IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL {
    pub _bitfield1: u32,
    pub _bitfield2: u32,
    pub Anonymous: _Anonymous_e__Union,
}

#[repr(C)]
pub struct IMAGE_COR_ILMETHOD_SECT_EH_SMALL {
    pub SectSmall: IMAGE_COR_ILMETHOD_SECT_SMALL,
    pub Reserved: u16,
    pub Clauses: [IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL; 1],
}
import "golang.org/x/sys/windows"

type IMAGE_COR_ILMETHOD_SECT_SMALL struct {
	Kind byte
	DataSize byte
}

type IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL struct {
	_bitfield1 uint32
	_bitfield2 uint32
	Anonymous _Anonymous_e__Union
}

type IMAGE_COR_ILMETHOD_SECT_EH_SMALL struct {
	SectSmall IMAGE_COR_ILMETHOD_SECT_SMALL
	Reserved uint16
	Clauses [1]IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL
}
type
  IMAGE_COR_ILMETHOD_SECT_SMALL = record
    Kind: Byte;
    DataSize: Byte;
  end;

  IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL = record
    _bitfield1: DWORD;
    _bitfield2: DWORD;
    Anonymous: _Anonymous_e__Union;
  end;

  IMAGE_COR_ILMETHOD_SECT_EH_SMALL = record
    SectSmall: IMAGE_COR_ILMETHOD_SECT_SMALL;
    Reserved: Word;
    Clauses: array[0..0] of IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL;
  end;
const IMAGE_COR_ILMETHOD_SECT_SMALL = extern struct {
    Kind: u8,
    DataSize: u8,
};

const IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL = extern struct {
    _bitfield1: u32,
    _bitfield2: u32,
    Anonymous: _Anonymous_e__Union,
};

const IMAGE_COR_ILMETHOD_SECT_EH_SMALL = extern struct {
    SectSmall: IMAGE_COR_ILMETHOD_SECT_SMALL,
    Reserved: u16,
    Clauses: [1]IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL,
};
type
  IMAGE_COR_ILMETHOD_SECT_SMALL {.bycopy.} = object
    Kind: uint8
    DataSize: uint8

  IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL {.bycopy.} = object
    _bitfield1: uint32
    _bitfield2: uint32
    Anonymous: _Anonymous_e__Union

  IMAGE_COR_ILMETHOD_SECT_EH_SMALL {.bycopy.} = object
    SectSmall: IMAGE_COR_ILMETHOD_SECT_SMALL
    Reserved: uint16
    Clauses: array[1, IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL]
struct IMAGE_COR_ILMETHOD_SECT_SMALL
{
    ubyte Kind;
    ubyte DataSize;
}

struct IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL
{
    uint _bitfield1;
    uint _bitfield2;
    _Anonymous_e__Union Anonymous;
}

struct IMAGE_COR_ILMETHOD_SECT_EH_SMALL
{
    IMAGE_COR_ILMETHOD_SECT_SMALL SectSmall;
    ushort Reserved;
    IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL[1] Clauses;
}

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。(x64 レイアウト)
; IMAGE_COR_ILMETHOD_SECT_EH_SMALL サイズ: 16 バイト(x64)
dim st, 4    ; 4byte整数×4(構造体サイズ 16 / 4 切り上げ)
; SectSmall : IMAGE_COR_ILMETHOD_SECT_SMALL (+0, 2byte)  varptr(st)+0 を基点に操作(2byte:入れ子/配列)
; Reserved : WORD (+2, 2byte)  wpoke st,2,値  /  値 = wpeek(st,2)
; Clauses : IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL (+4, 12byte)  varptr(st)+4 を基点に操作(12byte: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 IMAGE_COR_ILMETHOD_SECT_SMALL
    #field byte Kind
    #field byte DataSize
#endstruct

#defstruct global IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL
    #field int _bitfield1
    #field int _bitfield2
    #field byte Anonymous 4
#endstruct

#defstruct global IMAGE_COR_ILMETHOD_SECT_EH_SMALL
    #field IMAGE_COR_ILMETHOD_SECT_SMALL SectSmall
    #field short Reserved
    #field IMAGE_COR_ILMETHOD_SECT_EH_CLAUSE_SMALL Clauses 1
#endstruct

stdim st, IMAGE_COR_ILMETHOD_SECT_EH_SMALL        ; NSTRUCT 変数を確保
st->Reserved = 100
mes "Reserved=" + st->Reserved