IMAGE_OPTIONAL_HEADER32

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IMAGE_DATA_DIRECTORY
{
    public uint VirtualAddress;
    public uint Size;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IMAGE_OPTIONAL_HEADER32
{
    public ushort Magic;
    public byte MajorLinkerVersion;
    public byte MinorLinkerVersion;
    public uint SizeOfCode;
    public uint SizeOfInitializedData;
    public uint SizeOfUninitializedData;
    public uint AddressOfEntryPoint;
    public uint BaseOfCode;
    public uint BaseOfData;
    public uint ImageBase;
    public uint SectionAlignment;
    public uint FileAlignment;
    public ushort MajorOperatingSystemVersion;
    public ushort MinorOperatingSystemVersion;
    public ushort MajorImageVersion;
    public ushort MinorImageVersion;
    public ushort MajorSubsystemVersion;
    public ushort MinorSubsystemVersion;
    public uint Win32VersionValue;
    public uint SizeOfImage;
    public uint SizeOfHeaders;
    public uint CheckSum;
    public ushort Subsystem;
    public ushort DllCharacteristics;
    public uint SizeOfStackReserve;
    public uint SizeOfStackCommit;
    public uint SizeOfHeapReserve;
    public uint SizeOfHeapCommit;
    public uint LoaderFlags;
    public uint NumberOfRvaAndSizes;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)] public IMAGE_DATA_DIRECTORY[] DataDirectory;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IMAGE_DATA_DIRECTORY
    Public VirtualAddress As UInteger
    Public Size As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IMAGE_OPTIONAL_HEADER32
    Public Magic As UShort
    Public MajorLinkerVersion As Byte
    Public MinorLinkerVersion As Byte
    Public SizeOfCode As UInteger
    Public SizeOfInitializedData As UInteger
    Public SizeOfUninitializedData As UInteger
    Public AddressOfEntryPoint As UInteger
    Public BaseOfCode As UInteger
    Public BaseOfData As UInteger
    Public ImageBase As UInteger
    Public SectionAlignment As UInteger
    Public FileAlignment As UInteger
    Public MajorOperatingSystemVersion As UShort
    Public MinorOperatingSystemVersion As UShort
    Public MajorImageVersion As UShort
    Public MinorImageVersion As UShort
    Public MajorSubsystemVersion As UShort
    Public MinorSubsystemVersion As UShort
    Public Win32VersionValue As UInteger
    Public SizeOfImage As UInteger
    Public SizeOfHeaders As UInteger
    Public CheckSum As UInteger
    Public Subsystem As UShort
    Public DllCharacteristics As UShort
    Public SizeOfStackReserve As UInteger
    Public SizeOfStackCommit As UInteger
    Public SizeOfHeapReserve As UInteger
    Public SizeOfHeapCommit As UInteger
    Public LoaderFlags As UInteger
    Public NumberOfRvaAndSizes As UInteger
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=16)> Public DataDirectory() As IMAGE_DATA_DIRECTORY
End Structure

import ctypes
from ctypes import wintypes

class IMAGE_DATA_DIRECTORY(ctypes.Structure):
    _fields_ = [
        ("VirtualAddress", wintypes.DWORD),
        ("Size", wintypes.DWORD),
    ]

class IMAGE_OPTIONAL_HEADER32(ctypes.Structure):
    _fields_ = [
        ("Magic", ctypes.c_ushort),
        ("MajorLinkerVersion", ctypes.c_ubyte),
        ("MinorLinkerVersion", ctypes.c_ubyte),
        ("SizeOfCode", wintypes.DWORD),
        ("SizeOfInitializedData", wintypes.DWORD),
        ("SizeOfUninitializedData", wintypes.DWORD),
        ("AddressOfEntryPoint", wintypes.DWORD),
        ("BaseOfCode", wintypes.DWORD),
        ("BaseOfData", wintypes.DWORD),
        ("ImageBase", wintypes.DWORD),
        ("SectionAlignment", wintypes.DWORD),
        ("FileAlignment", wintypes.DWORD),
        ("MajorOperatingSystemVersion", ctypes.c_ushort),
        ("MinorOperatingSystemVersion", ctypes.c_ushort),
        ("MajorImageVersion", ctypes.c_ushort),
        ("MinorImageVersion", ctypes.c_ushort),
        ("MajorSubsystemVersion", ctypes.c_ushort),
        ("MinorSubsystemVersion", ctypes.c_ushort),
        ("Win32VersionValue", wintypes.DWORD),
        ("SizeOfImage", wintypes.DWORD),
        ("SizeOfHeaders", wintypes.DWORD),
        ("CheckSum", wintypes.DWORD),
        ("Subsystem", ctypes.c_ushort),
        ("DllCharacteristics", ctypes.c_ushort),
        ("SizeOfStackReserve", wintypes.DWORD),
        ("SizeOfStackCommit", wintypes.DWORD),
        ("SizeOfHeapReserve", wintypes.DWORD),
        ("SizeOfHeapCommit", wintypes.DWORD),
        ("LoaderFlags", wintypes.DWORD),
        ("NumberOfRvaAndSizes", wintypes.DWORD),
        ("DataDirectory", IMAGE_DATA_DIRECTORY * 16),
    ]

#[repr(C)]
pub struct IMAGE_DATA_DIRECTORY {
    pub VirtualAddress: u32,
    pub Size: u32,
}

#[repr(C)]
pub struct IMAGE_OPTIONAL_HEADER32 {
    pub Magic: u16,
    pub MajorLinkerVersion: u8,
    pub MinorLinkerVersion: u8,
    pub SizeOfCode: u32,
    pub SizeOfInitializedData: u32,
    pub SizeOfUninitializedData: u32,
    pub AddressOfEntryPoint: u32,
    pub BaseOfCode: u32,
    pub BaseOfData: u32,
    pub ImageBase: u32,
    pub SectionAlignment: u32,
    pub FileAlignment: u32,
    pub MajorOperatingSystemVersion: u16,
    pub MinorOperatingSystemVersion: u16,
    pub MajorImageVersion: u16,
    pub MinorImageVersion: u16,
    pub MajorSubsystemVersion: u16,
    pub MinorSubsystemVersion: u16,
    pub Win32VersionValue: u32,
    pub SizeOfImage: u32,
    pub SizeOfHeaders: u32,
    pub CheckSum: u32,
    pub Subsystem: u16,
    pub DllCharacteristics: u16,
    pub SizeOfStackReserve: u32,
    pub SizeOfStackCommit: u32,
    pub SizeOfHeapReserve: u32,
    pub SizeOfHeapCommit: u32,
    pub LoaderFlags: u32,
    pub NumberOfRvaAndSizes: u32,
    pub DataDirectory: [IMAGE_DATA_DIRECTORY; 16],
}

import "golang.org/x/sys/windows"

type IMAGE_DATA_DIRECTORY struct {
	VirtualAddress uint32
	Size uint32
}

type IMAGE_OPTIONAL_HEADER32 struct {
	Magic uint16
	MajorLinkerVersion byte
	MinorLinkerVersion byte
	SizeOfCode uint32
	SizeOfInitializedData uint32
	SizeOfUninitializedData uint32
	AddressOfEntryPoint uint32
	BaseOfCode uint32
	BaseOfData uint32
	ImageBase uint32
	SectionAlignment uint32
	FileAlignment uint32
	MajorOperatingSystemVersion uint16
	MinorOperatingSystemVersion uint16
	MajorImageVersion uint16
	MinorImageVersion uint16
	MajorSubsystemVersion uint16
	MinorSubsystemVersion uint16
	Win32VersionValue uint32
	SizeOfImage uint32
	SizeOfHeaders uint32
	CheckSum uint32
	Subsystem uint16
	DllCharacteristics uint16
	SizeOfStackReserve uint32
	SizeOfStackCommit uint32
	SizeOfHeapReserve uint32
	SizeOfHeapCommit uint32
	LoaderFlags uint32
	NumberOfRvaAndSizes uint32
	DataDirectory [16]IMAGE_DATA_DIRECTORY
}

type
  IMAGE_DATA_DIRECTORY = record
    VirtualAddress: DWORD;
    Size: DWORD;
  end;

  IMAGE_OPTIONAL_HEADER32 = record
    Magic: Word;
    MajorLinkerVersion: Byte;
    MinorLinkerVersion: Byte;
    SizeOfCode: DWORD;
    SizeOfInitializedData: DWORD;
    SizeOfUninitializedData: DWORD;
    AddressOfEntryPoint: DWORD;
    BaseOfCode: DWORD;
    BaseOfData: DWORD;
    ImageBase: DWORD;
    SectionAlignment: DWORD;
    FileAlignment: DWORD;
    MajorOperatingSystemVersion: Word;
    MinorOperatingSystemVersion: Word;
    MajorImageVersion: Word;
    MinorImageVersion: Word;
    MajorSubsystemVersion: Word;
    MinorSubsystemVersion: Word;
    Win32VersionValue: DWORD;
    SizeOfImage: DWORD;
    SizeOfHeaders: DWORD;
    CheckSum: DWORD;
    Subsystem: Word;
    DllCharacteristics: Word;
    SizeOfStackReserve: DWORD;
    SizeOfStackCommit: DWORD;
    SizeOfHeapReserve: DWORD;
    SizeOfHeapCommit: DWORD;
    LoaderFlags: DWORD;
    NumberOfRvaAndSizes: DWORD;
    DataDirectory: array[0..15] of IMAGE_DATA_DIRECTORY;
  end;

const IMAGE_DATA_DIRECTORY = extern struct {
    VirtualAddress: u32,
    Size: u32,
};

const IMAGE_OPTIONAL_HEADER32 = extern struct {
    Magic: u16,
    MajorLinkerVersion: u8,
    MinorLinkerVersion: u8,
    SizeOfCode: u32,
    SizeOfInitializedData: u32,
    SizeOfUninitializedData: u32,
    AddressOfEntryPoint: u32,
    BaseOfCode: u32,
    BaseOfData: u32,
    ImageBase: u32,
    SectionAlignment: u32,
    FileAlignment: u32,
    MajorOperatingSystemVersion: u16,
    MinorOperatingSystemVersion: u16,
    MajorImageVersion: u16,
    MinorImageVersion: u16,
    MajorSubsystemVersion: u16,
    MinorSubsystemVersion: u16,
    Win32VersionValue: u32,
    SizeOfImage: u32,
    SizeOfHeaders: u32,
    CheckSum: u32,
    Subsystem: u16,
    DllCharacteristics: u16,
    SizeOfStackReserve: u32,
    SizeOfStackCommit: u32,
    SizeOfHeapReserve: u32,
    SizeOfHeapCommit: u32,
    LoaderFlags: u32,
    NumberOfRvaAndSizes: u32,
    DataDirectory: [16]IMAGE_DATA_DIRECTORY,
};

type
  IMAGE_DATA_DIRECTORY {.bycopy.} = object
    VirtualAddress: uint32
    Size: uint32

  IMAGE_OPTIONAL_HEADER32 {.bycopy.} = object
    Magic: uint16
    MajorLinkerVersion: uint8
    MinorLinkerVersion: uint8
    SizeOfCode: uint32
    SizeOfInitializedData: uint32
    SizeOfUninitializedData: uint32
    AddressOfEntryPoint: uint32
    BaseOfCode: uint32
    BaseOfData: uint32
    ImageBase: uint32
    SectionAlignment: uint32
    FileAlignment: uint32
    MajorOperatingSystemVersion: uint16
    MinorOperatingSystemVersion: uint16
    MajorImageVersion: uint16
    MinorImageVersion: uint16
    MajorSubsystemVersion: uint16
    MinorSubsystemVersion: uint16
    Win32VersionValue: uint32
    SizeOfImage: uint32
    SizeOfHeaders: uint32
    CheckSum: uint32
    Subsystem: uint16
    DllCharacteristics: uint16
    SizeOfStackReserve: uint32
    SizeOfStackCommit: uint32
    SizeOfHeapReserve: uint32
    SizeOfHeapCommit: uint32
    LoaderFlags: uint32
    NumberOfRvaAndSizes: uint32
    DataDirectory: array[16, IMAGE_DATA_DIRECTORY]

struct IMAGE_DATA_DIRECTORY
{
    uint VirtualAddress;
    uint Size;
}

struct IMAGE_OPTIONAL_HEADER32
{
    ushort Magic;
    ubyte MajorLinkerVersion;
    ubyte MinorLinkerVersion;
    uint SizeOfCode;
    uint SizeOfInitializedData;
    uint SizeOfUninitializedData;
    uint AddressOfEntryPoint;
    uint BaseOfCode;
    uint BaseOfData;
    uint ImageBase;
    uint SectionAlignment;
    uint FileAlignment;
    ushort MajorOperatingSystemVersion;
    ushort MinorOperatingSystemVersion;
    ushort MajorImageVersion;
    ushort MinorImageVersion;
    ushort MajorSubsystemVersion;
    ushort MinorSubsystemVersion;
    uint Win32VersionValue;
    uint SizeOfImage;
    uint SizeOfHeaders;
    uint CheckSum;
    ushort Subsystem;
    ushort DllCharacteristics;
    uint SizeOfStackReserve;
    uint SizeOfStackCommit;
    uint SizeOfHeapReserve;
    uint SizeOfHeapCommit;
    uint LoaderFlags;
    uint NumberOfRvaAndSizes;
    IMAGE_DATA_DIRECTORY[16] DataDirectory;
}