//! PE/COFF definitions.
//!
//! These definitions are independent of read/write support, although we do implement
//! some traits useful for those.
//!
//! This module is based heavily on "winnt.h" (10.0.17763.0).

#![allow(missing_docs)]

use core::convert::TryInto;

use crate::endian::{I32Bytes, LittleEndian as LE, U16Bytes, U32Bytes, I32, U16, U32, U64};
use crate::pod::Pod;

/// MZ
pub const IMAGE_DOS_SIGNATURE: u16 = 0x5A4D;
/// NE
pub const IMAGE_OS2_SIGNATURE: u16 = 0x454E;
/// LE
pub const IMAGE_OS2_SIGNATURE_LE: u16 = 0x454C;
/// LE
pub const IMAGE_VXD_SIGNATURE: u16 = 0x454C;
/// PE00
pub const IMAGE_NT_SIGNATURE: u32 = 0x0000_4550;

/// DOS .EXE header
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageDosHeader {
    /// Magic number
    pub e_magic: U16<LE>,
    /// Bytes on last page of file
    pub e_cblp: U16<LE>,
    /// Pages in file
    pub e_cp: U16<LE>,
    /// Relocations
    pub e_crlc: U16<LE>,
    /// Size of header in paragraphs
    pub e_cparhdr: U16<LE>,
    /// Minimum extra paragraphs needed
    pub e_minalloc: U16<LE>,
    /// Maximum extra paragraphs needed
    pub e_maxalloc: U16<LE>,
    /// Initial (relative) SS value
    pub e_ss: U16<LE>,
    /// Initial SP value
    pub e_sp: U16<LE>,
    /// Checksum
    pub e_csum: U16<LE>,
    /// Initial IP value
    pub e_ip: U16<LE>,
    /// Initial (relative) CS value
    pub e_cs: U16<LE>,
    /// File address of relocation table
    pub e_lfarlc: U16<LE>,
    /// Overlay number
    pub e_ovno: U16<LE>,
    /// Reserved words
    pub e_res: [U16<LE>; 4],
    /// OEM identifier (for e_oeminfo)
    pub e_oemid: U16<LE>,
    /// OEM information; e_oemid specific
    pub e_oeminfo: U16<LE>,
    /// Reserved words
    pub e_res2: [U16<LE>; 10],
    /// File address of new exe header
    pub e_lfanew: U32<LE>,
}

/// OS/2 .EXE header
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageOs2Header {
    /// Magic number
    pub ne_magic: U16<LE>,
    /// Version number
    pub ne_ver: i8,
    /// Revision number
    pub ne_rev: i8,
    /// Offset of Entry Table
    pub ne_enttab: U16<LE>,
    /// Number of bytes in Entry Table
    pub ne_cbenttab: U16<LE>,
    /// Checksum of whole file
    pub ne_crc: I32<LE>,
    /// Flag word
    pub ne_flags: U16<LE>,
    /// Automatic data segment number
    pub ne_autodata: U16<LE>,
    /// Initial heap allocation
    pub ne_heap: U16<LE>,
    /// Initial stack allocation
    pub ne_stack: U16<LE>,
    /// Initial CS:IP setting
    pub ne_csip: I32<LE>,
    /// Initial SS:SP setting
    pub ne_sssp: I32<LE>,
    /// Count of file segments
    pub ne_cseg: U16<LE>,
    /// Entries in Module Reference Table
    pub ne_cmod: U16<LE>,
    /// Size of non-resident name table
    pub ne_cbnrestab: U16<LE>,
    /// Offset of Segment Table
    pub ne_segtab: U16<LE>,
    /// Offset of Resource Table
    pub ne_rsrctab: U16<LE>,
    /// Offset of resident name table
    pub ne_restab: U16<LE>,
    /// Offset of Module Reference Table
    pub ne_modtab: U16<LE>,
    /// Offset of Imported Names Table
    pub ne_imptab: U16<LE>,
    /// Offset of Non-resident Names Table
    pub ne_nrestab: I32<LE>,
    /// Count of movable entries
    pub ne_cmovent: U16<LE>,
    /// Segment alignment shift count
    pub ne_align: U16<LE>,
    /// Count of resource segments
    pub ne_cres: U16<LE>,
    /// Target Operating system
    pub ne_exetyp: u8,
    /// Other .EXE flags
    pub ne_flagsothers: u8,
    /// offset to return thunks
    pub ne_pretthunks: U16<LE>,
    /// offset to segment ref. bytes
    pub ne_psegrefbytes: U16<LE>,
    /// Minimum code swap area size
    pub ne_swaparea: U16<LE>,
    /// Expected Windows version number
    pub ne_expver: U16<LE>,
}

/// Windows VXD header
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageVxdHeader {
    /// Magic number
    pub e32_magic: U16<LE>,
    /// The byte ordering for the VXD
    pub e32_border: u8,
    /// The word ordering for the VXD
    pub e32_worder: u8,
    /// The EXE format level for now = 0
    pub e32_level: U32<LE>,
    /// The CPU type
    pub e32_cpu: U16<LE>,
    /// The OS type
    pub e32_os: U16<LE>,
    /// Module version
    pub e32_ver: U32<LE>,
    /// Module flags
    pub e32_mflags: U32<LE>,
    /// Module # pages
    pub e32_mpages: U32<LE>,
    /// Object # for instruction pointer
    pub e32_startobj: U32<LE>,
    /// Extended instruction pointer
    pub e32_eip: U32<LE>,
    /// Object # for stack pointer
    pub e32_stackobj: U32<LE>,
    /// Extended stack pointer
    pub e32_esp: U32<LE>,
    /// VXD page size
    pub e32_pagesize: U32<LE>,
    /// Last page size in VXD
    pub e32_lastpagesize: U32<LE>,
    /// Fixup section size
    pub e32_fixupsize: U32<LE>,
    /// Fixup section checksum
    pub e32_fixupsum: U32<LE>,
    /// Loader section size
    pub e32_ldrsize: U32<LE>,
    /// Loader section checksum
    pub e32_ldrsum: U32<LE>,
    /// Object table offset
    pub e32_objtab: U32<LE>,
    /// Number of objects in module
    pub e32_objcnt: U32<LE>,
    /// Object page map offset
    pub e32_objmap: U32<LE>,
    /// Object iterated data map offset
    pub e32_itermap: U32<LE>,
    /// Offset of Resource Table
    pub e32_rsrctab: U32<LE>,
    /// Number of resource entries
    pub e32_rsrccnt: U32<LE>,
    /// Offset of resident name table
    pub e32_restab: U32<LE>,
    /// Offset of Entry Table
    pub e32_enttab: U32<LE>,
    /// Offset of Module Directive Table
    pub e32_dirtab: U32<LE>,
    /// Number of module directives
    pub e32_dircnt: U32<LE>,
    /// Offset of Fixup Page Table
    pub e32_fpagetab: U32<LE>,
    /// Offset of Fixup Record Table
    pub e32_frectab: U32<LE>,
    /// Offset of Import Module Name Table
    pub e32_impmod: U32<LE>,
    /// Number of entries in Import Module Name Table
    pub e32_impmodcnt: U32<LE>,
    /// Offset of Import Procedure Name Table
    pub e32_impproc: U32<LE>,
    /// Offset of Per-Page Checksum Table
    pub e32_pagesum: U32<LE>,
    /// Offset of Enumerated Data Pages
    pub e32_datapage: U32<LE>,
    /// Number of preload pages
    pub e32_preload: U32<LE>,
    /// Offset of Non-resident Names Table
    pub e32_nrestab: U32<LE>,
    /// Size of Non-resident Name Table
    pub e32_cbnrestab: U32<LE>,
    /// Non-resident Name Table Checksum
    pub e32_nressum: U32<LE>,
    /// Object # for automatic data object
    pub e32_autodata: U32<LE>,
    /// Offset of the debugging information
    pub e32_debuginfo: U32<LE>,
    /// The length of the debugging info. in bytes
    pub e32_debuglen: U32<LE>,
    /// Number of instance pages in preload section of VXD file
    pub e32_instpreload: U32<LE>,
    /// Number of instance pages in demand load section of VXD file
    pub e32_instdemand: U32<LE>,
    /// Size of heap - for 16-bit apps
    pub e32_heapsize: U32<LE>,
    /// Reserved words
    pub e32_res3: [u8; 12],
    pub e32_winresoff: U32<LE>,
    pub e32_winreslen: U32<LE>,
    /// Device ID for VxD
    pub e32_devid: U16<LE>,
    /// DDK version for VxD
    pub e32_ddkver: U16<LE>,
}

/// A PE rich header entry.
///
/// Rich headers have no official documentation, but have been heavily
/// reversed-engineered and documented in the wild, e.g.:
/// * `http://www.ntcore.com/files/richsign.htm`
/// * `https://www.researchgate.net/figure/Structure-of-the-Rich-Header_fig1_318145388`
///
/// This data is "masked", i.e. XORed with a checksum derived from the file data.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct MaskedRichHeaderEntry {
    pub masked_comp_id: U32<LE>,
    pub masked_count: U32<LE>,
}

//
// File header format.
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageFileHeader {
    pub machine: U16<LE>,
    pub number_of_sections: U16<LE>,
    pub time_date_stamp: U32<LE>,
    pub pointer_to_symbol_table: U32<LE>,
    pub number_of_symbols: U32<LE>,
    pub size_of_optional_header: U16<LE>,
    pub characteristics: U16<LE>,
}

pub const IMAGE_SIZEOF_FILE_HEADER: usize = 20;

/// Relocation info stripped from file.
pub const IMAGE_FILE_RELOCS_STRIPPED: u16 = 0x0001;
/// File is executable  (i.e. no unresolved external references).
pub const IMAGE_FILE_EXECUTABLE_IMAGE: u16 = 0x0002;
/// Line numbers stripped from file.
pub const IMAGE_FILE_LINE_NUMS_STRIPPED: u16 = 0x0004;
/// Local symbols stripped from file.
pub const IMAGE_FILE_LOCAL_SYMS_STRIPPED: u16 = 0x0008;
/// Aggressively trim working set
pub const IMAGE_FILE_AGGRESIVE_WS_TRIM: u16 = 0x0010;
/// App can handle >2gb addresses
pub const IMAGE_FILE_LARGE_ADDRESS_AWARE: u16 = 0x0020;
/// Bytes of machine word are reversed.
pub const IMAGE_FILE_BYTES_REVERSED_LO: u16 = 0x0080;
/// 32 bit word machine.
pub const IMAGE_FILE_32BIT_MACHINE: u16 = 0x0100;
/// Debugging info stripped from file in .DBG file
pub const IMAGE_FILE_DEBUG_STRIPPED: u16 = 0x0200;
/// If Image is on removable media, copy and run from the swap file.
pub const IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP: u16 = 0x0400;
/// If Image is on Net, copy and run from the swap file.
pub const IMAGE_FILE_NET_RUN_FROM_SWAP: u16 = 0x0800;
/// System File.
pub const IMAGE_FILE_SYSTEM: u16 = 0x1000;
/// File is a DLL.
pub const IMAGE_FILE_DLL: u16 = 0x2000;
/// File should only be run on a UP machine
pub const IMAGE_FILE_UP_SYSTEM_ONLY: u16 = 0x4000;
/// Bytes of machine word are reversed.
pub const IMAGE_FILE_BYTES_REVERSED_HI: u16 = 0x8000;

pub const IMAGE_FILE_MACHINE_UNKNOWN: u16 = 0;
/// Useful for indicating we want to interact with the host and not a WoW guest.
pub const IMAGE_FILE_MACHINE_TARGET_HOST: u16 = 0x0001;
/// Intel 386.
pub const IMAGE_FILE_MACHINE_I386: u16 = 0x014c;
/// MIPS little-endian, 0x160 big-endian
pub const IMAGE_FILE_MACHINE_R3000: u16 = 0x0162;
/// MIPS little-endian
pub const IMAGE_FILE_MACHINE_R4000: u16 = 0x0166;
/// MIPS little-endian
pub const IMAGE_FILE_MACHINE_R10000: u16 = 0x0168;
/// MIPS little-endian WCE v2
pub const IMAGE_FILE_MACHINE_WCEMIPSV2: u16 = 0x0169;
/// Alpha_AXP
pub const IMAGE_FILE_MACHINE_ALPHA: u16 = 0x0184;
/// SH3 little-endian
pub const IMAGE_FILE_MACHINE_SH3: u16 = 0x01a2;
pub const IMAGE_FILE_MACHINE_SH3DSP: u16 = 0x01a3;
/// SH3E little-endian
pub const IMAGE_FILE_MACHINE_SH3E: u16 = 0x01a4;
/// SH4 little-endian
pub const IMAGE_FILE_MACHINE_SH4: u16 = 0x01a6;
/// SH5
pub const IMAGE_FILE_MACHINE_SH5: u16 = 0x01a8;
/// ARM Little-Endian
pub const IMAGE_FILE_MACHINE_ARM: u16 = 0x01c0;
/// ARM Thumb/Thumb-2 Little-Endian
pub const IMAGE_FILE_MACHINE_THUMB: u16 = 0x01c2;
/// ARM Thumb-2 Little-Endian
pub const IMAGE_FILE_MACHINE_ARMNT: u16 = 0x01c4;
pub const IMAGE_FILE_MACHINE_AM33: u16 = 0x01d3;
/// IBM PowerPC Little-Endian
pub const IMAGE_FILE_MACHINE_POWERPC: u16 = 0x01F0;
pub const IMAGE_FILE_MACHINE_POWERPCFP: u16 = 0x01f1;
/// IBM PowerPC Big-Endian
pub const IMAGE_FILE_MACHINE_POWERPCBE: u16 = 0x01f2;
/// Intel 64
pub const IMAGE_FILE_MACHINE_IA64: u16 = 0x0200;
/// MIPS
pub const IMAGE_FILE_MACHINE_MIPS16: u16 = 0x0266;
/// ALPHA64
pub const IMAGE_FILE_MACHINE_ALPHA64: u16 = 0x0284;
/// MIPS
pub const IMAGE_FILE_MACHINE_MIPSFPU: u16 = 0x0366;
/// MIPS
pub const IMAGE_FILE_MACHINE_MIPSFPU16: u16 = 0x0466;
pub const IMAGE_FILE_MACHINE_AXP64: u16 = IMAGE_FILE_MACHINE_ALPHA64;
/// Infineon
pub const IMAGE_FILE_MACHINE_TRICORE: u16 = 0x0520;
pub const IMAGE_FILE_MACHINE_CEF: u16 = 0x0CEF;
/// EFI Byte Code
pub const IMAGE_FILE_MACHINE_EBC: u16 = 0x0EBC;
/// AMD64 (K8)
pub const IMAGE_FILE_MACHINE_AMD64: u16 = 0x8664;
/// M32R little-endian
pub const IMAGE_FILE_MACHINE_M32R: u16 = 0x9041;
/// ARM64 Little-Endian
pub const IMAGE_FILE_MACHINE_ARM64: u16 = 0xAA64;
/// ARM64EC ("Emulation Compatible")
pub const IMAGE_FILE_MACHINE_ARM64EC: u16 = 0xA641;
pub const IMAGE_FILE_MACHINE_CEE: u16 = 0xC0EE;
/// RISCV32
pub const IMAGE_FILE_MACHINE_RISCV32: u16 = 0x5032;
/// RISCV64
pub const IMAGE_FILE_MACHINE_RISCV64: u16 = 0x5064;
/// RISCV128
pub const IMAGE_FILE_MACHINE_RISCV128: u16 = 0x5128;
/// ARM64X (Mixed ARM64 and ARM64EC)
pub const IMAGE_FILE_MACHINE_ARM64X: u16 = 0xA64E;
/// CHPE x86 ("Compiled Hybrid Portable Executable")
pub const IMAGE_FILE_MACHINE_CHPE_X86: u16 = 0x3A64;

//
// Directory format.
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageDataDirectory {
    pub virtual_address: U32<LE>,
    pub size: U32<LE>,
}

pub const IMAGE_NUMBEROF_DIRECTORY_ENTRIES: usize = 16;

//
// Optional header format.
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageOptionalHeader32 {
    // Standard fields.
    pub magic: U16<LE>,
    pub major_linker_version: u8,
    pub minor_linker_version: u8,
    pub size_of_code: U32<LE>,
    pub size_of_initialized_data: U32<LE>,
    pub size_of_uninitialized_data: U32<LE>,
    pub address_of_entry_point: U32<LE>,
    pub base_of_code: U32<LE>,
    pub base_of_data: U32<LE>,

    // NT additional fields.
    pub image_base: U32<LE>,
    pub section_alignment: U32<LE>,
    pub file_alignment: U32<LE>,
    pub major_operating_system_version: U16<LE>,
    pub minor_operating_system_version: U16<LE>,
    pub major_image_version: U16<LE>,
    pub minor_image_version: U16<LE>,
    pub major_subsystem_version: U16<LE>,
    pub minor_subsystem_version: U16<LE>,
    pub win32_version_value: U32<LE>,
    pub size_of_image: U32<LE>,
    pub size_of_headers: U32<LE>,
    pub check_sum: U32<LE>,
    pub subsystem: U16<LE>,
    pub dll_characteristics: U16<LE>,
    pub size_of_stack_reserve: U32<LE>,
    pub size_of_stack_commit: U32<LE>,
    pub size_of_heap_reserve: U32<LE>,
    pub size_of_heap_commit: U32<LE>,
    pub loader_flags: U32<LE>,
    pub number_of_rva_and_sizes: U32<LE>,
    //pub data_directory: [ImageDataDirectory; IMAGE_NUMBEROF_DIRECTORY_ENTRIES],
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageRomOptionalHeader {
    pub magic: U16<LE>,
    pub major_linker_version: u8,
    pub minor_linker_version: u8,
    pub size_of_code: U32<LE>,
    pub size_of_initialized_data: U32<LE>,
    pub size_of_uninitialized_data: U32<LE>,
    pub address_of_entry_point: U32<LE>,
    pub base_of_code: U32<LE>,
    pub base_of_data: U32<LE>,
    pub base_of_bss: U32<LE>,
    pub gpr_mask: U32<LE>,
    pub cpr_mask: [U32<LE>; 4],
    pub gp_value: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageOptionalHeader64 {
    pub magic: U16<LE>,
    pub major_linker_version: u8,
    pub minor_linker_version: u8,
    pub size_of_code: U32<LE>,
    pub size_of_initialized_data: U32<LE>,
    pub size_of_uninitialized_data: U32<LE>,
    pub address_of_entry_point: U32<LE>,
    pub base_of_code: U32<LE>,
    pub image_base: U64<LE>,
    pub section_alignment: U32<LE>,
    pub file_alignment: U32<LE>,
    pub major_operating_system_version: U16<LE>,
    pub minor_operating_system_version: U16<LE>,
    pub major_image_version: U16<LE>,
    pub minor_image_version: U16<LE>,
    pub major_subsystem_version: U16<LE>,
    pub minor_subsystem_version: U16<LE>,
    pub win32_version_value: U32<LE>,
    pub size_of_image: U32<LE>,
    pub size_of_headers: U32<LE>,
    pub check_sum: U32<LE>,
    pub subsystem: U16<LE>,
    pub dll_characteristics: U16<LE>,
    pub size_of_stack_reserve: U64<LE>,
    pub size_of_stack_commit: U64<LE>,
    pub size_of_heap_reserve: U64<LE>,
    pub size_of_heap_commit: U64<LE>,
    pub loader_flags: U32<LE>,
    pub number_of_rva_and_sizes: U32<LE>,
    //pub data_directory: [ImageDataDirectory; IMAGE_NUMBEROF_DIRECTORY_ENTRIES],
}

pub const IMAGE_NT_OPTIONAL_HDR32_MAGIC: u16 = 0x10b;
pub const IMAGE_NT_OPTIONAL_HDR64_MAGIC: u16 = 0x20b;
pub const IMAGE_ROM_OPTIONAL_HDR_MAGIC: u16 = 0x107;

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageNtHeaders64 {
    pub signature: U32<LE>,
    pub file_header: ImageFileHeader,
    pub optional_header: ImageOptionalHeader64,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageNtHeaders32 {
    pub signature: U32<LE>,
    pub file_header: ImageFileHeader,
    pub optional_header: ImageOptionalHeader32,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageRomHeaders {
    pub file_header: ImageFileHeader,
    pub optional_header: ImageRomOptionalHeader,
}

// Values for `ImageOptionalHeader*::subsystem`.

/// Unknown subsystem.
pub const IMAGE_SUBSYSTEM_UNKNOWN: u16 = 0;
/// Image doesn't require a subsystem.
pub const IMAGE_SUBSYSTEM_NATIVE: u16 = 1;
/// Image runs in the Windows GUI subsystem.
pub const IMAGE_SUBSYSTEM_WINDOWS_GUI: u16 = 2;
/// Image runs in the Windows character subsystem.
pub const IMAGE_SUBSYSTEM_WINDOWS_CUI: u16 = 3;
/// image runs in the OS/2 character subsystem.
pub const IMAGE_SUBSYSTEM_OS2_CUI: u16 = 5;
/// image runs in the Posix character subsystem.
pub const IMAGE_SUBSYSTEM_POSIX_CUI: u16 = 7;
/// image is a native Win9x driver.
pub const IMAGE_SUBSYSTEM_NATIVE_WINDOWS: u16 = 8;
/// Image runs in the Windows CE subsystem.
pub const IMAGE_SUBSYSTEM_WINDOWS_CE_GUI: u16 = 9;
pub const IMAGE_SUBSYSTEM_EFI_APPLICATION: u16 = 10;
pub const IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER: u16 = 11;
pub const IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER: u16 = 12;
pub const IMAGE_SUBSYSTEM_EFI_ROM: u16 = 13;
pub const IMAGE_SUBSYSTEM_XBOX: u16 = 14;
pub const IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION: u16 = 16;
pub const IMAGE_SUBSYSTEM_XBOX_CODE_CATALOG: u16 = 17;

// Values for `ImageOptionalHeader*::dll_characteristics`.

//      IMAGE_LIBRARY_PROCESS_INIT            0x0001     // Reserved.
//      IMAGE_LIBRARY_PROCESS_TERM            0x0002     // Reserved.
//      IMAGE_LIBRARY_THREAD_INIT             0x0004     // Reserved.
//      IMAGE_LIBRARY_THREAD_TERM             0x0008     // Reserved.
/// Image can handle a high entropy 64-bit virtual address space.
pub const IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA: u16 = 0x0020;
/// DLL can move.
pub const IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE: u16 = 0x0040;
/// Code Integrity Image
pub const IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY: u16 = 0x0080;
/// Image is NX compatible
pub const IMAGE_DLLCHARACTERISTICS_NX_COMPAT: u16 = 0x0100;
/// Image understands isolation and doesn't want it
pub const IMAGE_DLLCHARACTERISTICS_NO_ISOLATION: u16 = 0x0200;
/// Image does not use SEH.  No SE handler may reside in this image
pub const IMAGE_DLLCHARACTERISTICS_NO_SEH: u16 = 0x0400;
/// Do not bind this image.
pub const IMAGE_DLLCHARACTERISTICS_NO_BIND: u16 = 0x0800;
/// Image should execute in an AppContainer
pub const IMAGE_DLLCHARACTERISTICS_APPCONTAINER: u16 = 0x1000;
/// Driver uses WDM model
pub const IMAGE_DLLCHARACTERISTICS_WDM_DRIVER: u16 = 0x2000;
/// Image supports Control Flow Guard.
pub const IMAGE_DLLCHARACTERISTICS_GUARD_CF: u16 = 0x4000;
pub const IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE: u16 = 0x8000;

// Indices for `ImageOptionalHeader*::data_directory`.

/// Export Directory
pub const IMAGE_DIRECTORY_ENTRY_EXPORT: usize = 0;
/// Import Directory
pub const IMAGE_DIRECTORY_ENTRY_IMPORT: usize = 1;
/// Resource Directory
pub const IMAGE_DIRECTORY_ENTRY_RESOURCE: usize = 2;
/// Exception Directory
pub const IMAGE_DIRECTORY_ENTRY_EXCEPTION: usize = 3;
/// Security Directory
pub const IMAGE_DIRECTORY_ENTRY_SECURITY: usize = 4;
/// Base Relocation Table
pub const IMAGE_DIRECTORY_ENTRY_BASERELOC: usize = 5;
/// Debug Directory
pub const IMAGE_DIRECTORY_ENTRY_DEBUG: usize = 6;
//      IMAGE_DIRECTORY_ENTRY_COPYRIGHT       7   // (X86 usage)
/// Architecture Specific Data
pub const IMAGE_DIRECTORY_ENTRY_ARCHITECTURE: usize = 7;
/// RVA of GP
pub const IMAGE_DIRECTORY_ENTRY_GLOBALPTR: usize = 8;
/// TLS Directory
pub const IMAGE_DIRECTORY_ENTRY_TLS: usize = 9;
/// Load Configuration Directory
pub const IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG: usize = 10;
/// Bound Import Directory in headers
pub const IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT: usize = 11;
/// Import Address Table
pub const IMAGE_DIRECTORY_ENTRY_IAT: usize = 12;
/// Delay Load Import Descriptors
pub const IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT: usize = 13;
/// COM Runtime descriptor
pub const IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR: usize = 14;

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
#[repr(C)]
pub struct Guid(pub [u8; 16]);

impl Guid {
    #[inline]
    pub fn data1(self) -> U32<LE> {
        U32::from_bytes(self.0[0..4].try_into().unwrap())
    }

    #[inline]
    pub fn data2(self) -> U16<LE> {
        U16::from_bytes(self.0[4..6].try_into().unwrap())
    }

    #[inline]
    pub fn data3(self) -> U16<LE> {
        U16::from_bytes(self.0[6..8].try_into().unwrap())
    }

    #[inline]
    pub fn data4(self) -> [u8; 8] {
        self.0[8..16].try_into().unwrap()
    }
}

pub use Guid as ClsId;

/// Non-COFF Object file header
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct AnonObjectHeader {
    /// Must be IMAGE_FILE_MACHINE_UNKNOWN
    pub sig1: U16<LE>,
    /// Must be 0xffff
    pub sig2: U16<LE>,
    /// >= 1 (implies the ClsId field is present)
    pub version: U16<LE>,
    pub machine: U16<LE>,
    pub time_date_stamp: U32<LE>,
    /// Used to invoke CoCreateInstance
    pub class_id: ClsId,
    /// Size of data that follows the header
    pub size_of_data: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct AnonObjectHeaderV2 {
    /// Must be IMAGE_FILE_MACHINE_UNKNOWN
    pub sig1: U16<LE>,
    /// Must be 0xffff
    pub sig2: U16<LE>,
    /// >= 2 (implies the Flags field is present - otherwise V1)
    pub version: U16<LE>,
    pub machine: U16<LE>,
    pub time_date_stamp: U32<LE>,
    /// Used to invoke CoCreateInstance
    pub class_id: ClsId,
    /// Size of data that follows the header
    pub size_of_data: U32<LE>,
    /// 0x1 -> contains metadata
    pub flags: U32<LE>,
    /// Size of CLR metadata
    pub meta_data_size: U32<LE>,
    /// Offset of CLR metadata
    pub meta_data_offset: U32<LE>,
}

/// The required value of `AnonObjectHeaderBigobj::class_id`.
pub const ANON_OBJECT_HEADER_BIGOBJ_CLASS_ID: ClsId = ClsId([
    0xC7, 0xA1, 0xBA, 0xD1, 0xEE, 0xBA, 0xA9, 0x4B, 0xAF, 0x20, 0xFA, 0xF6, 0x6A, 0xA4, 0xDC, 0xB8,
]);

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct AnonObjectHeaderBigobj {
    /* same as ANON_OBJECT_HEADER_V2 */
    /// Must be IMAGE_FILE_MACHINE_UNKNOWN
    pub sig1: U16<LE>,
    /// Must be 0xffff
    pub sig2: U16<LE>,
    /// >= 2 (implies the Flags field is present)
    pub version: U16<LE>,
    /// Actual machine - IMAGE_FILE_MACHINE_xxx
    pub machine: U16<LE>,
    pub time_date_stamp: U32<LE>,
    /// Must be `ANON_OBJECT_HEADER_BIGOBJ_CLASS_ID`.
    pub class_id: ClsId,
    /// Size of data that follows the header
    pub size_of_data: U32<LE>,
    /// 0x1 -> contains metadata
    pub flags: U32<LE>,
    /// Size of CLR metadata
    pub meta_data_size: U32<LE>,
    /// Offset of CLR metadata
    pub meta_data_offset: U32<LE>,

    /* bigobj specifics */
    /// extended from WORD
    pub number_of_sections: U32<LE>,
    pub pointer_to_symbol_table: U32<LE>,
    pub number_of_symbols: U32<LE>,
}

pub const IMAGE_SIZEOF_SHORT_NAME: usize = 8;

//
// Section header format.
//

#[derive(Debug, Default, Clone, Copy)]
#[repr(C)]
pub struct ImageSectionHeader {
    pub name: [u8; IMAGE_SIZEOF_SHORT_NAME],
    pub virtual_size: U32<LE>,
    pub virtual_address: U32<LE>,
    pub size_of_raw_data: U32<LE>,
    pub pointer_to_raw_data: U32<LE>,
    pub pointer_to_relocations: U32<LE>,
    pub pointer_to_linenumbers: U32<LE>,
    pub number_of_relocations: U16<LE>,
    pub number_of_linenumbers: U16<LE>,
    pub characteristics: U32<LE>,
}

pub const IMAGE_SIZEOF_SECTION_HEADER: usize = 40;

// Values for `ImageSectionHeader::characteristics`.

//      IMAGE_SCN_TYPE_REG                   0x00000000  // Reserved.
//      IMAGE_SCN_TYPE_DSECT                 0x00000001  // Reserved.
//      IMAGE_SCN_TYPE_NOLOAD                0x00000002  // Reserved.
//      IMAGE_SCN_TYPE_GROUP                 0x00000004  // Reserved.
/// Reserved.
pub const IMAGE_SCN_TYPE_NO_PAD: u32 = 0x0000_0008;
//      IMAGE_SCN_TYPE_COPY                  0x00000010  // Reserved.

/// Section contains code.
pub const IMAGE_SCN_CNT_CODE: u32 = 0x0000_0020;
/// Section contains initialized data.
pub const IMAGE_SCN_CNT_INITIALIZED_DATA: u32 = 0x0000_0040;
/// Section contains uninitialized data.
pub const IMAGE_SCN_CNT_UNINITIALIZED_DATA: u32 = 0x0000_0080;

/// Reserved.
pub const IMAGE_SCN_LNK_OTHER: u32 = 0x0000_0100;
/// Section contains comments or some other type of information.
pub const IMAGE_SCN_LNK_INFO: u32 = 0x0000_0200;
//      IMAGE_SCN_TYPE_OVER                  0x00000400  // Reserved.
/// Section contents will not become part of image.
pub const IMAGE_SCN_LNK_REMOVE: u32 = 0x0000_0800;
/// Section contents comdat.
pub const IMAGE_SCN_LNK_COMDAT: u32 = 0x0000_1000;
//                                           0x00002000  // Reserved.
//      IMAGE_SCN_MEM_PROTECTED - Obsolete   0x00004000
/// Reset speculative exceptions handling bits in the TLB entries for this section.
pub const IMAGE_SCN_NO_DEFER_SPEC_EXC: u32 = 0x0000_4000;
/// Section content can be accessed relative to GP
pub const IMAGE_SCN_GPREL: u32 = 0x0000_8000;
pub const IMAGE_SCN_MEM_FARDATA: u32 = 0x0000_8000;
//      IMAGE_SCN_MEM_SYSHEAP  - Obsolete    0x00010000
pub const IMAGE_SCN_MEM_PURGEABLE: u32 = 0x0002_0000;
pub const IMAGE_SCN_MEM_16BIT: u32 = 0x0002_0000;
pub const IMAGE_SCN_MEM_LOCKED: u32 = 0x0004_0000;
pub const IMAGE_SCN_MEM_PRELOAD: u32 = 0x0008_0000;

pub const IMAGE_SCN_ALIGN_1BYTES: u32 = 0x0010_0000;
pub const IMAGE_SCN_ALIGN_2BYTES: u32 = 0x0020_0000;
pub const IMAGE_SCN_ALIGN_4BYTES: u32 = 0x0030_0000;
pub const IMAGE_SCN_ALIGN_8BYTES: u32 = 0x0040_0000;
/// Default alignment if no others are specified.
pub const IMAGE_SCN_ALIGN_16BYTES: u32 = 0x0050_0000;
pub const IMAGE_SCN_ALIGN_32BYTES: u32 = 0x0060_0000;
pub const IMAGE_SCN_ALIGN_64BYTES: u32 = 0x0070_0000;
pub const IMAGE_SCN_ALIGN_128BYTES: u32 = 0x0080_0000;
pub const IMAGE_SCN_ALIGN_256BYTES: u32 = 0x0090_0000;
pub const IMAGE_SCN_ALIGN_512BYTES: u32 = 0x00A0_0000;
pub const IMAGE_SCN_ALIGN_1024BYTES: u32 = 0x00B0_0000;
pub const IMAGE_SCN_ALIGN_2048BYTES: u32 = 0x00C0_0000;
pub const IMAGE_SCN_ALIGN_4096BYTES: u32 = 0x00D0_0000;
pub const IMAGE_SCN_ALIGN_8192BYTES: u32 = 0x00E0_0000;
// Unused                                    0x00F0_0000
pub const IMAGE_SCN_ALIGN_MASK: u32 = 0x00F0_0000;

/// Section contains extended relocations.
pub const IMAGE_SCN_LNK_NRELOC_OVFL: u32 = 0x0100_0000;
/// Section can be discarded.
pub const IMAGE_SCN_MEM_DISCARDABLE: u32 = 0x0200_0000;
/// Section is not cacheable.
pub const IMAGE_SCN_MEM_NOT_CACHED: u32 = 0x0400_0000;
/// Section is not pageable.
pub const IMAGE_SCN_MEM_NOT_PAGED: u32 = 0x0800_0000;
/// Section is shareable.
pub const IMAGE_SCN_MEM_SHARED: u32 = 0x1000_0000;
/// Section is executable.
pub const IMAGE_SCN_MEM_EXECUTE: u32 = 0x2000_0000;
/// Section is readable.
pub const IMAGE_SCN_MEM_READ: u32 = 0x4000_0000;
/// Section is writeable.
pub const IMAGE_SCN_MEM_WRITE: u32 = 0x8000_0000;

//
// TLS Characteristic Flags
//
/// Tls index is scaled
pub const IMAGE_SCN_SCALE_INDEX: u32 = 0x0000_0001;

//
// Symbol format.
//

// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageSymbol {
    /// If first 4 bytes are 0, then second 4 bytes are offset into string table.
    pub name: [u8; 8],
    pub value: U32Bytes<LE>,
    pub section_number: U16Bytes<LE>,
    pub typ: U16Bytes<LE>,
    pub storage_class: u8,
    pub number_of_aux_symbols: u8,
}

pub const IMAGE_SIZEOF_SYMBOL: usize = 18;

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageSymbolBytes(pub [u8; IMAGE_SIZEOF_SYMBOL]);

// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageSymbolEx {
    /// If first 4 bytes are 0, then second 4 bytes are offset into string table.
    pub name: [u8; 8],
    pub value: U32Bytes<LE>,
    pub section_number: I32Bytes<LE>,
    pub typ: U16Bytes<LE>,
    pub storage_class: u8,
    pub number_of_aux_symbols: u8,
}

pub const IMAGE_SIZEOF_SYMBOL_EX: usize = 20;

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageSymbolExBytes(pub [u8; IMAGE_SIZEOF_SYMBOL_EX]);

// Values for `ImageSymbol::section_number`.
//
// Symbols have a section number of the section in which they are
// defined. Otherwise, section numbers have the following meanings:

/// Symbol is undefined or is common.
pub const IMAGE_SYM_UNDEFINED: i32 = 0;
/// Symbol is an absolute value.
pub const IMAGE_SYM_ABSOLUTE: i32 = -1;
/// Symbol is a special debug item.
pub const IMAGE_SYM_DEBUG: i32 = -2;
/// Values 0xFF00-0xFFFF are special
pub const IMAGE_SYM_SECTION_MAX: u16 = 0xFEFF;
pub const IMAGE_SYM_SECTION_MAX_EX: u32 = 0x7fff_ffff;

// Values for `ImageSymbol::typ` (basic component).

/// no type.
pub const IMAGE_SYM_TYPE_NULL: u16 = 0x0000;
pub const IMAGE_SYM_TYPE_VOID: u16 = 0x0001;
/// type character.
pub const IMAGE_SYM_TYPE_CHAR: u16 = 0x0002;
/// type short integer.
pub const IMAGE_SYM_TYPE_SHORT: u16 = 0x0003;
pub const IMAGE_SYM_TYPE_INT: u16 = 0x0004;
pub const IMAGE_SYM_TYPE_LONG: u16 = 0x0005;
pub const IMAGE_SYM_TYPE_FLOAT: u16 = 0x0006;
pub const IMAGE_SYM_TYPE_DOUBLE: u16 = 0x0007;
pub const IMAGE_SYM_TYPE_STRUCT: u16 = 0x0008;
pub const IMAGE_SYM_TYPE_UNION: u16 = 0x0009;
/// enumeration.
pub const IMAGE_SYM_TYPE_ENUM: u16 = 0x000A;
/// member of enumeration.
pub const IMAGE_SYM_TYPE_MOE: u16 = 0x000B;
pub const IMAGE_SYM_TYPE_BYTE: u16 = 0x000C;
pub const IMAGE_SYM_TYPE_WORD: u16 = 0x000D;
pub const IMAGE_SYM_TYPE_UINT: u16 = 0x000E;
pub const IMAGE_SYM_TYPE_DWORD: u16 = 0x000F;
pub const IMAGE_SYM_TYPE_PCODE: u16 = 0x8000;

// Values for `ImageSymbol::typ` (derived component).

/// no derived type.
pub const IMAGE_SYM_DTYPE_NULL: u16 = 0;
/// pointer.
pub const IMAGE_SYM_DTYPE_POINTER: u16 = 1;
/// function.
pub const IMAGE_SYM_DTYPE_FUNCTION: u16 = 2;
/// array.
pub const IMAGE_SYM_DTYPE_ARRAY: u16 = 3;

// Values for `ImageSymbol::storage_class`.
pub const IMAGE_SYM_CLASS_END_OF_FUNCTION: u8 = 0xff;
pub const IMAGE_SYM_CLASS_NULL: u8 = 0x00;
pub const IMAGE_SYM_CLASS_AUTOMATIC: u8 = 0x01;
pub const IMAGE_SYM_CLASS_EXTERNAL: u8 = 0x02;
pub const IMAGE_SYM_CLASS_STATIC: u8 = 0x03;
pub const IMAGE_SYM_CLASS_REGISTER: u8 = 0x04;
pub const IMAGE_SYM_CLASS_EXTERNAL_DEF: u8 = 0x05;
pub const IMAGE_SYM_CLASS_LABEL: u8 = 0x06;
pub const IMAGE_SYM_CLASS_UNDEFINED_LABEL: u8 = 0x07;
pub const IMAGE_SYM_CLASS_MEMBER_OF_STRUCT: u8 = 0x08;
pub const IMAGE_SYM_CLASS_ARGUMENT: u8 = 0x09;
pub const IMAGE_SYM_CLASS_STRUCT_TAG: u8 = 0x0A;
pub const IMAGE_SYM_CLASS_MEMBER_OF_UNION: u8 = 0x0B;
pub const IMAGE_SYM_CLASS_UNION_TAG: u8 = 0x0C;
pub const IMAGE_SYM_CLASS_TYPE_DEFINITION: u8 = 0x0D;
pub const IMAGE_SYM_CLASS_UNDEFINED_STATIC: u8 = 0x0E;
pub const IMAGE_SYM_CLASS_ENUM_TAG: u8 = 0x0F;
pub const IMAGE_SYM_CLASS_MEMBER_OF_ENUM: u8 = 0x10;
pub const IMAGE_SYM_CLASS_REGISTER_PARAM: u8 = 0x11;
pub const IMAGE_SYM_CLASS_BIT_FIELD: u8 = 0x12;

pub const IMAGE_SYM_CLASS_FAR_EXTERNAL: u8 = 0x44;

pub const IMAGE_SYM_CLASS_BLOCK: u8 = 0x64;
pub const IMAGE_SYM_CLASS_FUNCTION: u8 = 0x65;
pub const IMAGE_SYM_CLASS_END_OF_STRUCT: u8 = 0x66;
pub const IMAGE_SYM_CLASS_FILE: u8 = 0x67;
// new
pub const IMAGE_SYM_CLASS_SECTION: u8 = 0x68;
pub const IMAGE_SYM_CLASS_WEAK_EXTERNAL: u8 = 0x69;

pub const IMAGE_SYM_CLASS_CLR_TOKEN: u8 = 0x6B;

// type packing constants

pub const N_BTMASK: u16 = 0x000F;
pub const N_TMASK: u16 = 0x0030;
pub const N_TMASK1: u16 = 0x00C0;
pub const N_TMASK2: u16 = 0x00F0;
pub const N_BTSHFT: usize = 4;
pub const N_TSHIFT: usize = 2;

pub const IMAGE_SYM_DTYPE_SHIFT: usize = N_BTSHFT;

//
// Auxiliary entry format.
//

// Used for both ImageSymbol and ImageSymbolEx (with padding).
// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageAuxSymbolTokenDef {
    /// IMAGE_AUX_SYMBOL_TYPE
    pub aux_type: u8,
    /// Must be 0
    pub reserved1: u8,
    pub symbol_table_index: U32Bytes<LE>,
    /// Must be 0
    pub reserved2: [u8; 12],
}

pub const IMAGE_AUX_SYMBOL_TYPE_TOKEN_DEF: u16 = 1;

/// Auxiliary symbol format 1: function definitions.
// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageAuxSymbolFunction {
    pub tag_index: U32Bytes<LE>,
    pub total_size: U32Bytes<LE>,
    pub pointer_to_linenumber: U32Bytes<LE>,
    pub pointer_to_next_function: U32Bytes<LE>,
    pub unused: [u8; 2],
}

/// Auxiliary symbol format 2: .bf and .ef symbols.
// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageAuxSymbolFunctionBeginEnd {
    pub unused1: [u8; 4],
    /// declaration line number
    pub linenumber: U16Bytes<LE>,
    pub unused2: [u8; 6],
    pub pointer_to_next_function: U32Bytes<LE>,
    pub unused3: [u8; 2],
}

/// Auxiliary symbol format 3: weak externals.
///
/// Used for both `ImageSymbol` and `ImageSymbolEx` (both with padding).
// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageAuxSymbolWeak {
    /// the weak extern default symbol index
    pub weak_default_sym_index: U32Bytes<LE>,
    pub weak_search_type: U32Bytes<LE>,
}

/// Auxiliary symbol format 5: sections.
///
/// Used for both `ImageSymbol` and `ImageSymbolEx` (with padding).
// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageAuxSymbolSection {
    /// section length
    pub length: U32Bytes<LE>,
    /// number of relocation entries
    pub number_of_relocations: U16Bytes<LE>,
    /// number of line numbers
    pub number_of_linenumbers: U16Bytes<LE>,
    /// checksum for communal
    pub check_sum: U32Bytes<LE>,
    /// section number to associate with
    pub number: U16Bytes<LE>,
    /// communal selection type
    pub selection: u8,
    pub reserved: u8,
    /// high bits of the section number
    pub high_number: U16Bytes<LE>,
}

// Used for both ImageSymbol and ImageSymbolEx (both with padding).
// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageAuxSymbolCrc {
    pub crc: U32Bytes<LE>,
}

//
// Communal selection types.
//

pub const IMAGE_COMDAT_SELECT_NODUPLICATES: u8 = 1;
pub const IMAGE_COMDAT_SELECT_ANY: u8 = 2;
pub const IMAGE_COMDAT_SELECT_SAME_SIZE: u8 = 3;
pub const IMAGE_COMDAT_SELECT_EXACT_MATCH: u8 = 4;
pub const IMAGE_COMDAT_SELECT_ASSOCIATIVE: u8 = 5;
pub const IMAGE_COMDAT_SELECT_LARGEST: u8 = 6;
pub const IMAGE_COMDAT_SELECT_NEWEST: u8 = 7;

pub const IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY: u32 = 1;
pub const IMAGE_WEAK_EXTERN_SEARCH_LIBRARY: u32 = 2;
pub const IMAGE_WEAK_EXTERN_SEARCH_ALIAS: u32 = 3;
pub const IMAGE_WEAK_EXTERN_ANTI_DEPENDENCY: u32 = 4;

//
// Relocation format.
//

// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageRelocation {
    /// Also `RelocCount` when IMAGE_SCN_LNK_NRELOC_OVFL is set
    pub virtual_address: U32Bytes<LE>,
    pub symbol_table_index: U32Bytes<LE>,
    pub typ: U16Bytes<LE>,
}

//
// I386 relocation types.
//
/// Reference is absolute, no relocation is necessary
pub const IMAGE_REL_I386_ABSOLUTE: u16 = 0x0000;
/// Direct 16-bit reference to the symbols virtual address
pub const IMAGE_REL_I386_DIR16: u16 = 0x0001;
/// PC-relative 16-bit reference to the symbols virtual address
pub const IMAGE_REL_I386_REL16: u16 = 0x0002;
/// Direct 32-bit reference to the symbols virtual address
pub const IMAGE_REL_I386_DIR32: u16 = 0x0006;
/// Direct 32-bit reference to the symbols virtual address, base not included
pub const IMAGE_REL_I386_DIR32NB: u16 = 0x0007;
/// Direct 16-bit reference to the segment-selector bits of a 32-bit virtual address
pub const IMAGE_REL_I386_SEG12: u16 = 0x0009;
pub const IMAGE_REL_I386_SECTION: u16 = 0x000A;
pub const IMAGE_REL_I386_SECREL: u16 = 0x000B;
/// clr token
pub const IMAGE_REL_I386_TOKEN: u16 = 0x000C;
/// 7 bit offset from base of section containing target
pub const IMAGE_REL_I386_SECREL7: u16 = 0x000D;
/// PC-relative 32-bit reference to the symbols virtual address
pub const IMAGE_REL_I386_REL32: u16 = 0x0014;

//
// MIPS relocation types.
//
/// Reference is absolute, no relocation is necessary
pub const IMAGE_REL_MIPS_ABSOLUTE: u16 = 0x0000;
pub const IMAGE_REL_MIPS_REFHALF: u16 = 0x0001;
pub const IMAGE_REL_MIPS_REFWORD: u16 = 0x0002;
pub const IMAGE_REL_MIPS_JMPADDR: u16 = 0x0003;
pub const IMAGE_REL_MIPS_REFHI: u16 = 0x0004;
pub const IMAGE_REL_MIPS_REFLO: u16 = 0x0005;
pub const IMAGE_REL_MIPS_GPREL: u16 = 0x0006;
pub const IMAGE_REL_MIPS_LITERAL: u16 = 0x0007;
pub const IMAGE_REL_MIPS_SECTION: u16 = 0x000A;
pub const IMAGE_REL_MIPS_SECREL: u16 = 0x000B;
/// Low 16-bit section relative reference (used for >32k TLS)
pub const IMAGE_REL_MIPS_SECRELLO: u16 = 0x000C;
/// High 16-bit section relative reference (used for >32k TLS)
pub const IMAGE_REL_MIPS_SECRELHI: u16 = 0x000D;
/// clr token
pub const IMAGE_REL_MIPS_TOKEN: u16 = 0x000E;
pub const IMAGE_REL_MIPS_JMPADDR16: u16 = 0x0010;
pub const IMAGE_REL_MIPS_REFWORDNB: u16 = 0x0022;
pub const IMAGE_REL_MIPS_PAIR: u16 = 0x0025;

//
// Alpha Relocation types.
//
pub const IMAGE_REL_ALPHA_ABSOLUTE: u16 = 0x0000;
pub const IMAGE_REL_ALPHA_REFLONG: u16 = 0x0001;
pub const IMAGE_REL_ALPHA_REFQUAD: u16 = 0x0002;
pub const IMAGE_REL_ALPHA_GPREL32: u16 = 0x0003;
pub const IMAGE_REL_ALPHA_LITERAL: u16 = 0x0004;
pub const IMAGE_REL_ALPHA_LITUSE: u16 = 0x0005;
pub const IMAGE_REL_ALPHA_GPDISP: u16 = 0x0006;
pub const IMAGE_REL_ALPHA_BRADDR: u16 = 0x0007;
pub const IMAGE_REL_ALPHA_HINT: u16 = 0x0008;
pub const IMAGE_REL_ALPHA_INLINE_REFLONG: u16 = 0x0009;
pub const IMAGE_REL_ALPHA_REFHI: u16 = 0x000A;
pub const IMAGE_REL_ALPHA_REFLO: u16 = 0x000B;
pub const IMAGE_REL_ALPHA_PAIR: u16 = 0x000C;
pub const IMAGE_REL_ALPHA_MATCH: u16 = 0x000D;
pub const IMAGE_REL_ALPHA_SECTION: u16 = 0x000E;
pub const IMAGE_REL_ALPHA_SECREL: u16 = 0x000F;
pub const IMAGE_REL_ALPHA_REFLONGNB: u16 = 0x0010;
/// Low 16-bit section relative reference
pub const IMAGE_REL_ALPHA_SECRELLO: u16 = 0x0011;
/// High 16-bit section relative reference
pub const IMAGE_REL_ALPHA_SECRELHI: u16 = 0x0012;
/// High 16 bits of 48 bit reference
pub const IMAGE_REL_ALPHA_REFQ3: u16 = 0x0013;
/// Middle 16 bits of 48 bit reference
pub const IMAGE_REL_ALPHA_REFQ2: u16 = 0x0014;
/// Low 16 bits of 48 bit reference
pub const IMAGE_REL_ALPHA_REFQ1: u16 = 0x0015;
/// Low 16-bit GP relative reference
pub const IMAGE_REL_ALPHA_GPRELLO: u16 = 0x0016;
/// High 16-bit GP relative reference
pub const IMAGE_REL_ALPHA_GPRELHI: u16 = 0x0017;

//
// IBM PowerPC relocation types.
//
/// NOP
pub const IMAGE_REL_PPC_ABSOLUTE: u16 = 0x0000;
/// 64-bit address
pub const IMAGE_REL_PPC_ADDR64: u16 = 0x0001;
/// 32-bit address
pub const IMAGE_REL_PPC_ADDR32: u16 = 0x0002;
/// 26-bit address, shifted left 2 (branch absolute)
pub const IMAGE_REL_PPC_ADDR24: u16 = 0x0003;
/// 16-bit address
pub const IMAGE_REL_PPC_ADDR16: u16 = 0x0004;
/// 16-bit address, shifted left 2 (load doubleword)
pub const IMAGE_REL_PPC_ADDR14: u16 = 0x0005;
/// 26-bit PC-relative offset, shifted left 2 (branch relative)
pub const IMAGE_REL_PPC_REL24: u16 = 0x0006;
/// 16-bit PC-relative offset, shifted left 2 (br cond relative)
pub const IMAGE_REL_PPC_REL14: u16 = 0x0007;
/// 16-bit offset from TOC base
pub const IMAGE_REL_PPC_TOCREL16: u16 = 0x0008;
/// 16-bit offset from TOC base, shifted left 2 (load doubleword)
pub const IMAGE_REL_PPC_TOCREL14: u16 = 0x0009;

/// 32-bit addr w/o image base
pub const IMAGE_REL_PPC_ADDR32NB: u16 = 0x000A;
/// va of containing section (as in an image sectionhdr)
pub const IMAGE_REL_PPC_SECREL: u16 = 0x000B;
/// sectionheader number
pub const IMAGE_REL_PPC_SECTION: u16 = 0x000C;
/// substitute TOC restore instruction iff symbol is glue code
pub const IMAGE_REL_PPC_IFGLUE: u16 = 0x000D;
/// symbol is glue code; virtual address is TOC restore instruction
pub const IMAGE_REL_PPC_IMGLUE: u16 = 0x000E;
/// va of containing section (limited to 16 bits)
pub const IMAGE_REL_PPC_SECREL16: u16 = 0x000F;
pub const IMAGE_REL_PPC_REFHI: u16 = 0x0010;
pub const IMAGE_REL_PPC_REFLO: u16 = 0x0011;
pub const IMAGE_REL_PPC_PAIR: u16 = 0x0012;
/// Low 16-bit section relative reference (used for >32k TLS)
pub const IMAGE_REL_PPC_SECRELLO: u16 = 0x0013;
/// High 16-bit section relative reference (used for >32k TLS)
pub const IMAGE_REL_PPC_SECRELHI: u16 = 0x0014;
pub const IMAGE_REL_PPC_GPREL: u16 = 0x0015;
/// clr token
pub const IMAGE_REL_PPC_TOKEN: u16 = 0x0016;

/// mask to isolate above values in IMAGE_RELOCATION.Type
pub const IMAGE_REL_PPC_TYPEMASK: u16 = 0x00FF;

// Flag bits in `ImageRelocation::typ`.

/// subtract reloc value rather than adding it
pub const IMAGE_REL_PPC_NEG: u16 = 0x0100;
/// fix branch prediction bit to predict branch taken
pub const IMAGE_REL_PPC_BRTAKEN: u16 = 0x0200;
/// fix branch prediction bit to predict branch not taken
pub const IMAGE_REL_PPC_BRNTAKEN: u16 = 0x0400;
/// toc slot defined in file (or, data in toc)
pub const IMAGE_REL_PPC_TOCDEFN: u16 = 0x0800;

//
// Hitachi SH3 relocation types.
//
/// No relocation
pub const IMAGE_REL_SH3_ABSOLUTE: u16 = 0x0000;
/// 16 bit direct
pub const IMAGE_REL_SH3_DIRECT16: u16 = 0x0001;
/// 32 bit direct
pub const IMAGE_REL_SH3_DIRECT32: u16 = 0x0002;
/// 8 bit direct, -128..255
pub const IMAGE_REL_SH3_DIRECT8: u16 = 0x0003;
/// 8 bit direct .W (0 ext.)
pub const IMAGE_REL_SH3_DIRECT8_WORD: u16 = 0x0004;
/// 8 bit direct .L (0 ext.)
pub const IMAGE_REL_SH3_DIRECT8_LONG: u16 = 0x0005;
/// 4 bit direct (0 ext.)
pub const IMAGE_REL_SH3_DIRECT4: u16 = 0x0006;
/// 4 bit direct .W (0 ext.)
pub const IMAGE_REL_SH3_DIRECT4_WORD: u16 = 0x0007;
/// 4 bit direct .L (0 ext.)
pub const IMAGE_REL_SH3_DIRECT4_LONG: u16 = 0x0008;
/// 8 bit PC relative .W
pub const IMAGE_REL_SH3_PCREL8_WORD: u16 = 0x0009;
/// 8 bit PC relative .L
pub const IMAGE_REL_SH3_PCREL8_LONG: u16 = 0x000A;
/// 12 LSB PC relative .W
pub const IMAGE_REL_SH3_PCREL12_WORD: u16 = 0x000B;
/// Start of EXE section
pub const IMAGE_REL_SH3_STARTOF_SECTION: u16 = 0x000C;
/// Size of EXE section
pub const IMAGE_REL_SH3_SIZEOF_SECTION: u16 = 0x000D;
/// Section table index
pub const IMAGE_REL_SH3_SECTION: u16 = 0x000E;
/// Offset within section
pub const IMAGE_REL_SH3_SECREL: u16 = 0x000F;
/// 32 bit direct not based
pub const IMAGE_REL_SH3_DIRECT32_NB: u16 = 0x0010;
/// GP-relative addressing
pub const IMAGE_REL_SH3_GPREL4_LONG: u16 = 0x0011;
/// clr token
pub const IMAGE_REL_SH3_TOKEN: u16 = 0x0012;
/// Offset from current instruction in longwords
/// if not NOMODE, insert the inverse of the low bit at bit 32 to select PTA/PTB
pub const IMAGE_REL_SHM_PCRELPT: u16 = 0x0013;
/// Low bits of 32-bit address
pub const IMAGE_REL_SHM_REFLO: u16 = 0x0014;
/// High bits of 32-bit address
pub const IMAGE_REL_SHM_REFHALF: u16 = 0x0015;
/// Low bits of relative reference
pub const IMAGE_REL_SHM_RELLO: u16 = 0x0016;
/// High bits of relative reference
pub const IMAGE_REL_SHM_RELHALF: u16 = 0x0017;
/// offset operand for relocation
pub const IMAGE_REL_SHM_PAIR: u16 = 0x0018;

/// relocation ignores section mode
pub const IMAGE_REL_SH_NOMODE: u16 = 0x8000;

/// No relocation required
pub const IMAGE_REL_ARM_ABSOLUTE: u16 = 0x0000;
/// 32 bit address
pub const IMAGE_REL_ARM_ADDR32: u16 = 0x0001;
/// 32 bit address w/o image base
pub const IMAGE_REL_ARM_ADDR32NB: u16 = 0x0002;
/// 24 bit offset << 2 & sign ext.
pub const IMAGE_REL_ARM_BRANCH24: u16 = 0x0003;
/// Thumb: 2 11 bit offsets
pub const IMAGE_REL_ARM_BRANCH11: u16 = 0x0004;
/// clr token
pub const IMAGE_REL_ARM_TOKEN: u16 = 0x0005;
/// GP-relative addressing (ARM)
pub const IMAGE_REL_ARM_GPREL12: u16 = 0x0006;
/// GP-relative addressing (Thumb)
pub const IMAGE_REL_ARM_GPREL7: u16 = 0x0007;
pub const IMAGE_REL_ARM_BLX24: u16 = 0x0008;
pub const IMAGE_REL_ARM_BLX11: u16 = 0x0009;
/// 32-bit relative address from byte following reloc
pub const IMAGE_REL_ARM_REL32: u16 = 0x000A;
/// Section table index
pub const IMAGE_REL_ARM_SECTION: u16 = 0x000E;
/// Offset within section
pub const IMAGE_REL_ARM_SECREL: u16 = 0x000F;
/// ARM: MOVW/MOVT
pub const IMAGE_REL_ARM_MOV32A: u16 = 0x0010;
/// ARM: MOVW/MOVT (deprecated)
pub const IMAGE_REL_ARM_MOV32: u16 = 0x0010;
/// Thumb: MOVW/MOVT
pub const IMAGE_REL_ARM_MOV32T: u16 = 0x0011;
/// Thumb: MOVW/MOVT (deprecated)
pub const IMAGE_REL_THUMB_MOV32: u16 = 0x0011;
/// Thumb: 32-bit conditional B
pub const IMAGE_REL_ARM_BRANCH20T: u16 = 0x0012;
/// Thumb: 32-bit conditional B (deprecated)
pub const IMAGE_REL_THUMB_BRANCH20: u16 = 0x0012;
/// Thumb: 32-bit B or BL
pub const IMAGE_REL_ARM_BRANCH24T: u16 = 0x0014;
/// Thumb: 32-bit B or BL (deprecated)
pub const IMAGE_REL_THUMB_BRANCH24: u16 = 0x0014;
/// Thumb: BLX immediate
pub const IMAGE_REL_ARM_BLX23T: u16 = 0x0015;
/// Thumb: BLX immediate (deprecated)
pub const IMAGE_REL_THUMB_BLX23: u16 = 0x0015;

pub const IMAGE_REL_AM_ABSOLUTE: u16 = 0x0000;
pub const IMAGE_REL_AM_ADDR32: u16 = 0x0001;
pub const IMAGE_REL_AM_ADDR32NB: u16 = 0x0002;
pub const IMAGE_REL_AM_CALL32: u16 = 0x0003;
pub const IMAGE_REL_AM_FUNCINFO: u16 = 0x0004;
pub const IMAGE_REL_AM_REL32_1: u16 = 0x0005;
pub const IMAGE_REL_AM_REL32_2: u16 = 0x0006;
pub const IMAGE_REL_AM_SECREL: u16 = 0x0007;
pub const IMAGE_REL_AM_SECTION: u16 = 0x0008;
pub const IMAGE_REL_AM_TOKEN: u16 = 0x0009;

//
// ARM64 relocations types.
//

/// No relocation required
pub const IMAGE_REL_ARM64_ABSOLUTE: u16 = 0x0000;
/// 32 bit address. Review! do we need it?
pub const IMAGE_REL_ARM64_ADDR32: u16 = 0x0001;
/// 32 bit address w/o image base (RVA: for Data/PData/XData)
pub const IMAGE_REL_ARM64_ADDR32NB: u16 = 0x0002;
/// 26 bit offset << 2 & sign ext. for B & BL
pub const IMAGE_REL_ARM64_BRANCH26: u16 = 0x0003;
/// ADRP
pub const IMAGE_REL_ARM64_PAGEBASE_REL21: u16 = 0x0004;
/// ADR
pub const IMAGE_REL_ARM64_REL21: u16 = 0x0005;
/// ADD/ADDS (immediate) with zero shift, for page offset
pub const IMAGE_REL_ARM64_PAGEOFFSET_12A: u16 = 0x0006;
/// LDR (indexed, unsigned immediate), for page offset
pub const IMAGE_REL_ARM64_PAGEOFFSET_12L: u16 = 0x0007;
/// Offset within section
pub const IMAGE_REL_ARM64_SECREL: u16 = 0x0008;
/// ADD/ADDS (immediate) with zero shift, for bit 0:11 of section offset
pub const IMAGE_REL_ARM64_SECREL_LOW12A: u16 = 0x0009;
/// ADD/ADDS (immediate) with zero shift, for bit 12:23 of section offset
pub const IMAGE_REL_ARM64_SECREL_HIGH12A: u16 = 0x000A;
/// LDR (indexed, unsigned immediate), for bit 0:11 of section offset
pub const IMAGE_REL_ARM64_SECREL_LOW12L: u16 = 0x000B;
pub const IMAGE_REL_ARM64_TOKEN: u16 = 0x000C;
/// Section table index
pub const IMAGE_REL_ARM64_SECTION: u16 = 0x000D;
/// 64 bit address
pub const IMAGE_REL_ARM64_ADDR64: u16 = 0x000E;
/// 19 bit offset << 2 & sign ext. for conditional B
pub const IMAGE_REL_ARM64_BRANCH19: u16 = 0x000F;
/// TBZ/TBNZ
pub const IMAGE_REL_ARM64_BRANCH14: u16 = 0x0010;
/// 32-bit relative address from byte following reloc
pub const IMAGE_REL_ARM64_REL32: u16 = 0x0011;

//
// x64 relocations
//
/// Reference is absolute, no relocation is necessary
pub const IMAGE_REL_AMD64_ABSOLUTE: u16 = 0x0000;
/// 64-bit address (VA).
pub const IMAGE_REL_AMD64_ADDR64: u16 = 0x0001;
/// 32-bit address (VA).
pub const IMAGE_REL_AMD64_ADDR32: u16 = 0x0002;
/// 32-bit address w/o image base (RVA).
pub const IMAGE_REL_AMD64_ADDR32NB: u16 = 0x0003;
/// 32-bit relative address from byte following reloc
pub const IMAGE_REL_AMD64_REL32: u16 = 0x0004;
/// 32-bit relative address from byte distance 1 from reloc
pub const IMAGE_REL_AMD64_REL32_1: u16 = 0x0005;
/// 32-bit relative address from byte distance 2 from reloc
pub const IMAGE_REL_AMD64_REL32_2: u16 = 0x0006;
/// 32-bit relative address from byte distance 3 from reloc
pub const IMAGE_REL_AMD64_REL32_3: u16 = 0x0007;
/// 32-bit relative address from byte distance 4 from reloc
pub const IMAGE_REL_AMD64_REL32_4: u16 = 0x0008;
/// 32-bit relative address from byte distance 5 from reloc
pub const IMAGE_REL_AMD64_REL32_5: u16 = 0x0009;
/// Section index
pub const IMAGE_REL_AMD64_SECTION: u16 = 0x000A;
/// 32 bit offset from base of section containing target
pub const IMAGE_REL_AMD64_SECREL: u16 = 0x000B;
/// 7 bit unsigned offset from base of section containing target
pub const IMAGE_REL_AMD64_SECREL7: u16 = 0x000C;
/// 32 bit metadata token
pub const IMAGE_REL_AMD64_TOKEN: u16 = 0x000D;
/// 32 bit signed span-dependent value emitted into object
pub const IMAGE_REL_AMD64_SREL32: u16 = 0x000E;
pub const IMAGE_REL_AMD64_PAIR: u16 = 0x000F;
/// 32 bit signed span-dependent value applied at link time
pub const IMAGE_REL_AMD64_SSPAN32: u16 = 0x0010;
pub const IMAGE_REL_AMD64_EHANDLER: u16 = 0x0011;
/// Indirect branch to an import
pub const IMAGE_REL_AMD64_IMPORT_BR: u16 = 0x0012;
/// Indirect call to an import
pub const IMAGE_REL_AMD64_IMPORT_CALL: u16 = 0x0013;
/// Indirect branch to a CFG check
pub const IMAGE_REL_AMD64_CFG_BR: u16 = 0x0014;
/// Indirect branch to a CFG check, with REX.W prefix
pub const IMAGE_REL_AMD64_CFG_BR_REX: u16 = 0x0015;
/// Indirect call to a CFG check
pub const IMAGE_REL_AMD64_CFG_CALL: u16 = 0x0016;
/// Indirect branch to a target in RAX (no CFG)
pub const IMAGE_REL_AMD64_INDIR_BR: u16 = 0x0017;
/// Indirect branch to a target in RAX, with REX.W prefix (no CFG)
pub const IMAGE_REL_AMD64_INDIR_BR_REX: u16 = 0x0018;
/// Indirect call to a target in RAX (no CFG)
pub const IMAGE_REL_AMD64_INDIR_CALL: u16 = 0x0019;
/// Indirect branch for a switch table using Reg 0 (RAX)
pub const IMAGE_REL_AMD64_INDIR_BR_SWITCHTABLE_FIRST: u16 = 0x0020;
/// Indirect branch for a switch table using Reg 15 (R15)
pub const IMAGE_REL_AMD64_INDIR_BR_SWITCHTABLE_LAST: u16 = 0x002F;

//
// IA64 relocation types.
//
pub const IMAGE_REL_IA64_ABSOLUTE: u16 = 0x0000;
pub const IMAGE_REL_IA64_IMM14: u16 = 0x0001;
pub const IMAGE_REL_IA64_IMM22: u16 = 0x0002;
pub const IMAGE_REL_IA64_IMM64: u16 = 0x0003;
pub const IMAGE_REL_IA64_DIR32: u16 = 0x0004;
pub const IMAGE_REL_IA64_DIR64: u16 = 0x0005;
pub const IMAGE_REL_IA64_PCREL21B: u16 = 0x0006;
pub const IMAGE_REL_IA64_PCREL21M: u16 = 0x0007;
pub const IMAGE_REL_IA64_PCREL21F: u16 = 0x0008;
pub const IMAGE_REL_IA64_GPREL22: u16 = 0x0009;
pub const IMAGE_REL_IA64_LTOFF22: u16 = 0x000A;
pub const IMAGE_REL_IA64_SECTION: u16 = 0x000B;
pub const IMAGE_REL_IA64_SECREL22: u16 = 0x000C;
pub const IMAGE_REL_IA64_SECREL64I: u16 = 0x000D;
pub const IMAGE_REL_IA64_SECREL32: u16 = 0x000E;
//
pub const IMAGE_REL_IA64_DIR32NB: u16 = 0x0010;
pub const IMAGE_REL_IA64_SREL14: u16 = 0x0011;
pub const IMAGE_REL_IA64_SREL22: u16 = 0x0012;
pub const IMAGE_REL_IA64_SREL32: u16 = 0x0013;
pub const IMAGE_REL_IA64_UREL32: u16 = 0x0014;
/// This is always a BRL and never converted
pub const IMAGE_REL_IA64_PCREL60X: u16 = 0x0015;
/// If possible, convert to MBB bundle with NOP.B in slot 1
pub const IMAGE_REL_IA64_PCREL60B: u16 = 0x0016;
/// If possible, convert to MFB bundle with NOP.F in slot 1
pub const IMAGE_REL_IA64_PCREL60F: u16 = 0x0017;
/// If possible, convert to MIB bundle with NOP.I in slot 1
pub const IMAGE_REL_IA64_PCREL60I: u16 = 0x0018;
/// If possible, convert to MMB bundle with NOP.M in slot 1
pub const IMAGE_REL_IA64_PCREL60M: u16 = 0x0019;
pub const IMAGE_REL_IA64_IMMGPREL64: u16 = 0x001A;
/// clr token
pub const IMAGE_REL_IA64_TOKEN: u16 = 0x001B;
pub const IMAGE_REL_IA64_GPREL32: u16 = 0x001C;
pub const IMAGE_REL_IA64_ADDEND: u16 = 0x001F;

//
// CEF relocation types.
//
/// Reference is absolute, no relocation is necessary
pub const IMAGE_REL_CEF_ABSOLUTE: u16 = 0x0000;
/// 32-bit address (VA).
pub const IMAGE_REL_CEF_ADDR32: u16 = 0x0001;
/// 64-bit address (VA).
pub const IMAGE_REL_CEF_ADDR64: u16 = 0x0002;
/// 32-bit address w/o image base (RVA).
pub const IMAGE_REL_CEF_ADDR32NB: u16 = 0x0003;
/// Section index
pub const IMAGE_REL_CEF_SECTION: u16 = 0x0004;
/// 32 bit offset from base of section containing target
pub const IMAGE_REL_CEF_SECREL: u16 = 0x0005;
/// 32 bit metadata token
pub const IMAGE_REL_CEF_TOKEN: u16 = 0x0006;

//
// clr relocation types.
//
/// Reference is absolute, no relocation is necessary
pub const IMAGE_REL_CEE_ABSOLUTE: u16 = 0x0000;
/// 32-bit address (VA).
pub const IMAGE_REL_CEE_ADDR32: u16 = 0x0001;
/// 64-bit address (VA).
pub const IMAGE_REL_CEE_ADDR64: u16 = 0x0002;
/// 32-bit address w/o image base (RVA).
pub const IMAGE_REL_CEE_ADDR32NB: u16 = 0x0003;
/// Section index
pub const IMAGE_REL_CEE_SECTION: u16 = 0x0004;
/// 32 bit offset from base of section containing target
pub const IMAGE_REL_CEE_SECREL: u16 = 0x0005;
/// 32 bit metadata token
pub const IMAGE_REL_CEE_TOKEN: u16 = 0x0006;

/// No relocation required
pub const IMAGE_REL_M32R_ABSOLUTE: u16 = 0x0000;
/// 32 bit address
pub const IMAGE_REL_M32R_ADDR32: u16 = 0x0001;
/// 32 bit address w/o image base
pub const IMAGE_REL_M32R_ADDR32NB: u16 = 0x0002;
/// 24 bit address
pub const IMAGE_REL_M32R_ADDR24: u16 = 0x0003;
/// GP relative addressing
pub const IMAGE_REL_M32R_GPREL16: u16 = 0x0004;
/// 24 bit offset << 2 & sign ext.
pub const IMAGE_REL_M32R_PCREL24: u16 = 0x0005;
/// 16 bit offset << 2 & sign ext.
pub const IMAGE_REL_M32R_PCREL16: u16 = 0x0006;
/// 8 bit offset << 2 & sign ext.
pub const IMAGE_REL_M32R_PCREL8: u16 = 0x0007;
/// 16 MSBs
pub const IMAGE_REL_M32R_REFHALF: u16 = 0x0008;
/// 16 MSBs; adj for LSB sign ext.
pub const IMAGE_REL_M32R_REFHI: u16 = 0x0009;
/// 16 LSBs
pub const IMAGE_REL_M32R_REFLO: u16 = 0x000A;
/// Link HI and LO
pub const IMAGE_REL_M32R_PAIR: u16 = 0x000B;
/// Section table index
pub const IMAGE_REL_M32R_SECTION: u16 = 0x000C;
/// 32 bit section relative reference
pub const IMAGE_REL_M32R_SECREL32: u16 = 0x000D;
/// clr token
pub const IMAGE_REL_M32R_TOKEN: u16 = 0x000E;

/// No relocation required
pub const IMAGE_REL_EBC_ABSOLUTE: u16 = 0x0000;
/// 32 bit address w/o image base
pub const IMAGE_REL_EBC_ADDR32NB: u16 = 0x0001;
/// 32-bit relative address from byte following reloc
pub const IMAGE_REL_EBC_REL32: u16 = 0x0002;
/// Section table index
pub const IMAGE_REL_EBC_SECTION: u16 = 0x0003;
/// Offset within section
pub const IMAGE_REL_EBC_SECREL: u16 = 0x0004;

/*
// TODO?
#define EXT_IMM64(Value, Address, Size, InstPos, ValPos)  /* Intel-IA64-Filler */           \
    Value |= (((ULONGLONG)((*(Address) >> InstPos) & (((ULONGLONG)1 << Size) - 1))) << ValPos)  // Intel-IA64-Filler

#define INS_IMM64(Value, Address, Size, InstPos, ValPos)  /* Intel-IA64-Filler */\
    *(PDWORD)Address = (*(PDWORD)Address & ~(((1 << Size) - 1) << InstPos)) | /* Intel-IA64-Filler */\
          ((DWORD)((((ULONGLONG)Value >> ValPos) & (((ULONGLONG)1 << Size) - 1))) << InstPos)  // Intel-IA64-Filler
*/

/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM7B_INST_WORD_X: u16 = 3;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM7B_SIZE_X: u16 = 7;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM7B_INST_WORD_POS_X: u16 = 4;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM7B_VAL_POS_X: u16 = 0;

/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM9D_INST_WORD_X: u16 = 3;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM9D_SIZE_X: u16 = 9;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM9D_INST_WORD_POS_X: u16 = 18;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM9D_VAL_POS_X: u16 = 7;

/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM5C_INST_WORD_X: u16 = 3;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM5C_SIZE_X: u16 = 5;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM5C_INST_WORD_POS_X: u16 = 13;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM5C_VAL_POS_X: u16 = 16;

/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IC_INST_WORD_X: u16 = 3;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IC_SIZE_X: u16 = 1;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IC_INST_WORD_POS_X: u16 = 12;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IC_VAL_POS_X: u16 = 21;

/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41A_INST_WORD_X: u16 = 1;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41A_SIZE_X: u16 = 10;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41A_INST_WORD_POS_X: u16 = 14;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41A_VAL_POS_X: u16 = 22;

/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41B_INST_WORD_X: u16 = 1;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41B_SIZE_X: u16 = 8;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41B_INST_WORD_POS_X: u16 = 24;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41B_VAL_POS_X: u16 = 32;

/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41C_INST_WORD_X: u16 = 2;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41C_SIZE_X: u16 = 23;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41C_INST_WORD_POS_X: u16 = 0;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_IMM41C_VAL_POS_X: u16 = 40;

/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_SIGN_INST_WORD_X: u16 = 3;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_SIGN_SIZE_X: u16 = 1;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_SIGN_INST_WORD_POS_X: u16 = 27;
/// Intel-IA64-Filler
pub const EMARCH_ENC_I17_SIGN_VAL_POS_X: u16 = 63;

/// Intel-IA64-Filler
pub const X3_OPCODE_INST_WORD_X: u16 = 3;
/// Intel-IA64-Filler
pub const X3_OPCODE_SIZE_X: u16 = 4;
/// Intel-IA64-Filler
pub const X3_OPCODE_INST_WORD_POS_X: u16 = 28;
/// Intel-IA64-Filler
pub const X3_OPCODE_SIGN_VAL_POS_X: u16 = 0;

/// Intel-IA64-Filler
pub const X3_I_INST_WORD_X: u16 = 3;
/// Intel-IA64-Filler
pub const X3_I_SIZE_X: u16 = 1;
/// Intel-IA64-Filler
pub const X3_I_INST_WORD_POS_X: u16 = 27;
/// Intel-IA64-Filler
pub const X3_I_SIGN_VAL_POS_X: u16 = 59;

/// Intel-IA64-Filler
pub const X3_D_WH_INST_WORD_X: u16 = 3;
/// Intel-IA64-Filler
pub const X3_D_WH_SIZE_X: u16 = 3;
/// Intel-IA64-Filler
pub const X3_D_WH_INST_WORD_POS_X: u16 = 24;
/// Intel-IA64-Filler
pub const X3_D_WH_SIGN_VAL_POS_X: u16 = 0;

/// Intel-IA64-Filler
pub const X3_IMM20_INST_WORD_X: u16 = 3;
/// Intel-IA64-Filler
pub const X3_IMM20_SIZE_X: u16 = 20;
/// Intel-IA64-Filler
pub const X3_IMM20_INST_WORD_POS_X: u16 = 4;
/// Intel-IA64-Filler
pub const X3_IMM20_SIGN_VAL_POS_X: u16 = 0;

/// Intel-IA64-Filler
pub const X3_IMM39_1_INST_WORD_X: u16 = 2;
/// Intel-IA64-Filler
pub const X3_IMM39_1_SIZE_X: u16 = 23;
/// Intel-IA64-Filler
pub const X3_IMM39_1_INST_WORD_POS_X: u16 = 0;
/// Intel-IA64-Filler
pub const X3_IMM39_1_SIGN_VAL_POS_X: u16 = 36;

/// Intel-IA64-Filler
pub const X3_IMM39_2_INST_WORD_X: u16 = 1;
/// Intel-IA64-Filler
pub const X3_IMM39_2_SIZE_X: u16 = 16;
/// Intel-IA64-Filler
pub const X3_IMM39_2_INST_WORD_POS_X: u16 = 16;
/// Intel-IA64-Filler
pub const X3_IMM39_2_SIGN_VAL_POS_X: u16 = 20;

/// Intel-IA64-Filler
pub const X3_P_INST_WORD_X: u16 = 3;
/// Intel-IA64-Filler
pub const X3_P_SIZE_X: u16 = 4;
/// Intel-IA64-Filler
pub const X3_P_INST_WORD_POS_X: u16 = 0;
/// Intel-IA64-Filler
pub const X3_P_SIGN_VAL_POS_X: u16 = 0;

/// Intel-IA64-Filler
pub const X3_TMPLT_INST_WORD_X: u16 = 0;
/// Intel-IA64-Filler
pub const X3_TMPLT_SIZE_X: u16 = 4;
/// Intel-IA64-Filler
pub const X3_TMPLT_INST_WORD_POS_X: u16 = 0;
/// Intel-IA64-Filler
pub const X3_TMPLT_SIGN_VAL_POS_X: u16 = 0;

/// Intel-IA64-Filler
pub const X3_BTYPE_QP_INST_WORD_X: u16 = 2;
/// Intel-IA64-Filler
pub const X3_BTYPE_QP_SIZE_X: u16 = 9;
/// Intel-IA64-Filler
pub const X3_BTYPE_QP_INST_WORD_POS_X: u16 = 23;
/// Intel-IA64-Filler
pub const X3_BTYPE_QP_INST_VAL_POS_X: u16 = 0;

/// Intel-IA64-Filler
pub const X3_EMPTY_INST_WORD_X: u16 = 1;
/// Intel-IA64-Filler
pub const X3_EMPTY_SIZE_X: u16 = 2;
/// Intel-IA64-Filler
pub const X3_EMPTY_INST_WORD_POS_X: u16 = 14;
/// Intel-IA64-Filler
pub const X3_EMPTY_INST_VAL_POS_X: u16 = 0;

//
// Line number format.
//

// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageLinenumber {
    /// Symbol table index of function name if Linenumber is 0.
    /// Otherwise virtual address of line number.
    pub symbol_table_index_or_virtual_address: U32Bytes<LE>,
    /// Line number.
    pub linenumber: U16Bytes<LE>,
}

//
// Based relocation format.
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageBaseRelocation {
    pub virtual_address: U32<LE>,
    pub size_of_block: U32<LE>,
    //  pub type_offset[1]: U16<LE>,
}

//
// Based relocation types.
//

pub const IMAGE_REL_BASED_ABSOLUTE: u16 = 0;
pub const IMAGE_REL_BASED_HIGH: u16 = 1;
pub const IMAGE_REL_BASED_LOW: u16 = 2;
pub const IMAGE_REL_BASED_HIGHLOW: u16 = 3;
pub const IMAGE_REL_BASED_HIGHADJ: u16 = 4;
pub const IMAGE_REL_BASED_MACHINE_SPECIFIC_5: u16 = 5;
pub const IMAGE_REL_BASED_RESERVED: u16 = 6;
pub const IMAGE_REL_BASED_MACHINE_SPECIFIC_7: u16 = 7;
pub const IMAGE_REL_BASED_MACHINE_SPECIFIC_8: u16 = 8;
pub const IMAGE_REL_BASED_MACHINE_SPECIFIC_9: u16 = 9;
pub const IMAGE_REL_BASED_DIR64: u16 = 10;

//
// Platform-specific based relocation types.
//

pub const IMAGE_REL_BASED_IA64_IMM64: u16 = 9;

pub const IMAGE_REL_BASED_MIPS_JMPADDR: u16 = 5;
pub const IMAGE_REL_BASED_MIPS_JMPADDR16: u16 = 9;

pub const IMAGE_REL_BASED_ARM_MOV32: u16 = 5;
pub const IMAGE_REL_BASED_THUMB_MOV32: u16 = 7;

pub const IMAGE_REL_BASED_RISCV_HIGH20: u16 = 5;
pub const IMAGE_REL_BASED_RISCV_LOW12I: u16 = 7;
pub const IMAGE_REL_BASED_RISCV_LOW12S: u16 = 8;

//
// Archive format.
//

pub const IMAGE_ARCHIVE_START_SIZE: usize = 8;
pub const IMAGE_ARCHIVE_START: &[u8; 8] = b"!<arch>\n";
pub const IMAGE_ARCHIVE_END: &[u8] = b"`\n";
pub const IMAGE_ARCHIVE_PAD: &[u8] = b"\n";
pub const IMAGE_ARCHIVE_LINKER_MEMBER: &[u8; 16] = b"/               ";
pub const IMAGE_ARCHIVE_LONGNAMES_MEMBER: &[u8; 16] = b"//              ";
pub const IMAGE_ARCHIVE_HYBRIDMAP_MEMBER: &[u8; 16] = b"/<HYBRIDMAP>/   ";

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageArchiveMemberHeader {
    /// File member name - `/' terminated.
    pub name: [u8; 16],
    /// File member date - decimal.
    pub date: [u8; 12],
    /// File member user id - decimal.
    pub user_id: [u8; 6],
    /// File member group id - decimal.
    pub group_id: [u8; 6],
    /// File member mode - octal.
    pub mode: [u8; 8],
    /// File member size - decimal.
    pub size: [u8; 10],
    /// String to end header.
    pub end_header: [u8; 2],
}

pub const IMAGE_SIZEOF_ARCHIVE_MEMBER_HDR: u16 = 60;

//
// DLL support.
//

//
// Export Format
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageExportDirectory {
    pub characteristics: U32<LE>,
    pub time_date_stamp: U32<LE>,
    pub major_version: U16<LE>,
    pub minor_version: U16<LE>,
    pub name: U32<LE>,
    pub base: U32<LE>,
    pub number_of_functions: U32<LE>,
    pub number_of_names: U32<LE>,
    /// RVA from base of image
    pub address_of_functions: U32<LE>,
    /// RVA from base of image
    pub address_of_names: U32<LE>,
    /// RVA from base of image
    pub address_of_name_ordinals: U32<LE>,
}

//
// Import Format
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageImportByName {
    pub hint: U16<LE>,
    //pub name: [i8; 1],
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageThunkData64(pub U64<LE>);
/*
    union {
/// PBYTE
        pub forwarder_string: U64<LE>,
/// PDWORD
        pub function: U64<LE>,
        pub ordinal: U64<LE>,
/// PIMAGE_IMPORT_BY_NAME
        pub address_of_data: U64<LE>,
    } u1;
*/

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageThunkData32(pub U32<LE>);
/*
    union {
/// PBYTE
        pub forwarder_string: U32<LE>,
/// PDWORD
        pub function: U32<LE>,
        pub ordinal: U32<LE>,
/// PIMAGE_IMPORT_BY_NAME
        pub address_of_data: U32<LE>,
    } u1;
}
*/

pub const IMAGE_ORDINAL_FLAG64: u64 = 0x8000000000000000;
pub const IMAGE_ORDINAL_FLAG32: u32 = 0x80000000;

/*
#define IMAGE_ORDINAL64(Ordinal) (Ordinal & 0xffff)
#define IMAGE_ORDINAL32(Ordinal) (Ordinal & 0xffff)
#define IMAGE_SNAP_BY_ORDINAL64(Ordinal) ((Ordinal & IMAGE_ORDINAL_FLAG64) != 0)
#define IMAGE_SNAP_BY_ORDINAL32(Ordinal) ((Ordinal & IMAGE_ORDINAL_FLAG32) != 0)

*/

//
// Thread Local Storage
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageTlsDirectory64 {
    pub start_address_of_raw_data: U64<LE>,
    pub end_address_of_raw_data: U64<LE>,
    /// PDWORD
    pub address_of_index: U64<LE>,
    /// PIMAGE_TLS_CALLBACK *;
    pub address_of_call_backs: U64<LE>,
    pub size_of_zero_fill: U32<LE>,
    pub characteristics: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageTlsDirectory32 {
    pub start_address_of_raw_data: U32<LE>,
    pub end_address_of_raw_data: U32<LE>,
    /// PDWORD
    pub address_of_index: U32<LE>,
    /// PIMAGE_TLS_CALLBACK *
    pub address_of_call_backs: U32<LE>,
    pub size_of_zero_fill: U32<LE>,
    pub characteristics: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageImportDescriptor {
    /// RVA to original unbound IAT (`ImageThunkData32`/`ImageThunkData64`)
    /// 0 for terminating null import descriptor
    pub original_first_thunk: U32Bytes<LE>,
    /// 0 if not bound,
    /// -1 if bound, and real date\time stamp
    ///     in IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT (new BIND)
    /// O.W. date/time stamp of DLL bound to (Old BIND)
    pub time_date_stamp: U32Bytes<LE>,
    /// -1 if no forwarders
    pub forwarder_chain: U32Bytes<LE>,
    pub name: U32Bytes<LE>,
    /// RVA to IAT (if bound this IAT has actual addresses)
    pub first_thunk: U32Bytes<LE>,
}

impl ImageImportDescriptor {
    /// Tell whether this import descriptor is the null descriptor
    /// (used to mark the end of the iterator array in a PE)
    pub fn is_null(&self) -> bool {
        self.original_first_thunk.get(LE) == 0
            && self.time_date_stamp.get(LE) == 0
            && self.forwarder_chain.get(LE) == 0
            && self.name.get(LE) == 0
            && self.first_thunk.get(LE) == 0
    }
}

//
// New format import descriptors pointed to by DataDirectory[ IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT ]
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageBoundImportDescriptor {
    pub time_date_stamp: U32<LE>,
    pub offset_module_name: U16<LE>,
    pub number_of_module_forwarder_refs: U16<LE>,
    // Array of zero or more IMAGE_BOUND_FORWARDER_REF follows
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageBoundForwarderRef {
    pub time_date_stamp: U32<LE>,
    pub offset_module_name: U16<LE>,
    pub reserved: U16<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageDelayloadDescriptor {
    pub attributes: U32<LE>,

    /// RVA to the name of the target library (NULL-terminate ASCII string)
    pub dll_name_rva: U32<LE>,
    /// RVA to the HMODULE caching location (PHMODULE)
    pub module_handle_rva: U32<LE>,
    /// RVA to the start of the IAT (PIMAGE_THUNK_DATA)
    pub import_address_table_rva: U32<LE>,
    /// RVA to the start of the name table (PIMAGE_THUNK_DATA::AddressOfData)
    pub import_name_table_rva: U32<LE>,
    /// RVA to an optional bound IAT
    pub bound_import_address_table_rva: U32<LE>,
    /// RVA to an optional unload info table
    pub unload_information_table_rva: U32<LE>,
    /// 0 if not bound, otherwise, date/time of the target DLL
    pub time_date_stamp: U32<LE>,
}

impl ImageDelayloadDescriptor {
    /// Tell whether this delay-load import descriptor is the null descriptor
    /// (used to mark the end of the iterator array in a PE)
    pub fn is_null(&self) -> bool {
        self.attributes.get(LE) == 0
            && self.dll_name_rva.get(LE) == 0
            && self.module_handle_rva.get(LE) == 0
            && self.import_address_table_rva.get(LE) == 0
            && self.import_name_table_rva.get(LE) == 0
            && self.bound_import_address_table_rva.get(LE) == 0
            && self.unload_information_table_rva.get(LE) == 0
            && self.time_date_stamp.get(LE) == 0
    }
}

/// Delay load version 2 flag for `ImageDelayloadDescriptor::attributes`.
pub const IMAGE_DELAYLOAD_RVA_BASED: u32 = 0x8000_0000;

//
// Resource Format.
//

//
// Resource directory consists of two counts, following by a variable length
// array of directory entries.  The first count is the number of entries at
// beginning of the array that have actual names associated with each entry.
// The entries are in ascending order, case insensitive strings.  The second
// count is the number of entries that immediately follow the named entries.
// This second count identifies the number of entries that have 16-bit integer
// Ids as their name.  These entries are also sorted in ascending order.
//
// This structure allows fast lookup by either name or number, but for any
// given resource entry only one form of lookup is supported, not both.
// This is consistent with the syntax of the .RC file and the .RES file.
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageResourceDirectory {
    pub characteristics: U32<LE>,
    pub time_date_stamp: U32<LE>,
    pub major_version: U16<LE>,
    pub minor_version: U16<LE>,
    pub number_of_named_entries: U16<LE>,
    pub number_of_id_entries: U16<LE>,
}

pub const IMAGE_RESOURCE_NAME_IS_STRING: u32 = 0x8000_0000;
pub const IMAGE_RESOURCE_DATA_IS_DIRECTORY: u32 = 0x8000_0000;
//
// Each directory contains the 32-bit Name of the entry and an offset,
// relative to the beginning of the resource directory of the data associated
// with this directory entry.  If the name of the entry is an actual text
// string instead of an integer Id, then the high order bit of the name field
// is set to one and the low order 31-bits are an offset, relative to the
// beginning of the resource directory of the string, which is of type
// IMAGE_RESOURCE_DIRECTORY_STRING.  Otherwise the high bit is clear and the
// low-order 16-bits are the integer Id that identify this resource directory
// entry. If the directory entry is yet another resource directory (i.e. a
// subdirectory), then the high order bit of the offset field will be
// set to indicate this.  Otherwise the high bit is clear and the offset
// field points to a resource data entry.
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageResourceDirectoryEntry {
    pub name_or_id: U32<LE>,
    pub offset_to_data_or_directory: U32<LE>,
}

//
// For resource directory entries that have actual string names, the Name
// field of the directory entry points to an object of the following type.
// All of these string objects are stored together after the last resource
// directory entry and before the first resource data object.  This minimizes
// the impact of these variable length objects on the alignment of the fixed
// size directory entry objects.
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageResourceDirectoryString {
    pub length: U16<LE>,
    //pub name_string: [i8; 1],
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageResourceDirStringU {
    pub length: U16<LE>,
    //pub name_string: [U16<LE>; 1],
}

//
// Each resource data entry describes a leaf node in the resource directory
// tree.  It contains an offset, relative to the beginning of the resource
// directory of the data for the resource, a size field that gives the number
// of bytes of data at that offset, a CodePage that should be used when
// decoding code point values within the resource data.  Typically for new
// applications the code page would be the unicode code page.
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageResourceDataEntry {
    /// RVA of the data.
    pub offset_to_data: U32<LE>,
    pub size: U32<LE>,
    pub code_page: U32<LE>,
    pub reserved: U32<LE>,
}

// Resource type: https://docs.microsoft.com/en-us/windows/win32/menurc/resource-types

/// ID for: Hardware-dependent cursor resource.
pub const RT_CURSOR: u16 = 1;
/// ID for: Bitmap resource.
pub const RT_BITMAP: u16 = 2;
/// ID for: Hardware-dependent icon resource.
pub const RT_ICON: u16 = 3;
/// ID for: Menu resource.
pub const RT_MENU: u16 = 4;
/// ID for: Dialog box.
pub const RT_DIALOG: u16 = 5;
/// ID for: String-table entry.
pub const RT_STRING: u16 = 6;
/// ID for: Font directory resource.
pub const RT_FONTDIR: u16 = 7;
/// ID for: Font resource.
pub const RT_FONT: u16 = 8;
/// ID for: Accelerator table.
pub const RT_ACCELERATOR: u16 = 9;
/// ID for: Application-defined resource (raw data).
pub const RT_RCDATA: u16 = 10;
/// ID for: Message-table entry.
pub const RT_MESSAGETABLE: u16 = 11;
/// ID for: Hardware-independent cursor resource.
pub const RT_GROUP_CURSOR: u16 = 12;
/// ID for: Hardware-independent icon resource.
pub const RT_GROUP_ICON: u16 = 14;
/// ID for: Version resource.
pub const RT_VERSION: u16 = 16;
/// ID for: Allows a resource editing tool to associate a string with an .rc file.
pub const RT_DLGINCLUDE: u16 = 17;
/// ID for: Plug and Play resource.
pub const RT_PLUGPLAY: u16 = 19;
/// ID for: VXD.
pub const RT_VXD: u16 = 20;
/// ID for: Animated cursor.
pub const RT_ANICURSOR: u16 = 21;
/// ID for: Animated icon.
pub const RT_ANIICON: u16 = 22;
/// ID for: HTML resource.
pub const RT_HTML: u16 = 23;
/// ID for: Side-by-Side Assembly Manifest.
pub const RT_MANIFEST: u16 = 24;

//
// Code Integrity in loadconfig (CI)
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageLoadConfigCodeIntegrity {
    /// Flags to indicate if CI information is available, etc.
    pub flags: U16<LE>,
    /// 0xFFFF means not available
    pub catalog: U16<LE>,
    pub catalog_offset: U32<LE>,
    /// Additional bitmask to be defined later
    pub reserved: U32<LE>,
}

//
// Dynamic value relocation table in loadconfig
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageDynamicRelocationTable {
    pub version: U32<LE>,
    pub size: U32<LE>,
    // DynamicRelocations: [ImageDynamicRelocation; 0],
}

//
// Dynamic value relocation entries following IMAGE_DYNAMIC_RELOCATION_TABLE
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageDynamicRelocation32 {
    pub symbol: U32<LE>,
    pub base_reloc_size: U32<LE>,
    // BaseRelocations: [ImageBaseRelocation; 0],
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageDynamicRelocation64 {
    pub symbol: U64<LE>,
    pub base_reloc_size: U32<LE>,
    // BaseRelocations: [ImageBaseRelocation; 0],
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageDynamicRelocation32V2 {
    pub header_size: U32<LE>,
    pub fixup_info_size: U32<LE>,
    pub symbol: U32<LE>,
    pub symbol_group: U32<LE>,
    pub flags: U32<LE>,
    // ...     variable length header fields
    // pub     fixup_info: [u8; fixup_info_size]
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageDynamicRelocation64V2 {
    pub header_size: U32<LE>,
    pub fixup_info_size: U32<LE>,
    pub symbol: U64<LE>,
    pub symbol_group: U32<LE>,
    pub flags: U32<LE>,
    // ...     variable length header fields
    // pub     fixup_info[u8; fixup_info_size]
}

//
// Defined symbolic dynamic relocation entries.
//

pub const IMAGE_DYNAMIC_RELOCATION_GUARD_RF_PROLOGUE: u32 = 0x0000_0001;
pub const IMAGE_DYNAMIC_RELOCATION_GUARD_RF_EPILOGUE: u32 = 0x0000_0002;
pub const IMAGE_DYNAMIC_RELOCATION_GUARD_IMPORT_CONTROL_TRANSFER: u32 = 0x0000_0003;
pub const IMAGE_DYNAMIC_RELOCATION_GUARD_INDIR_CONTROL_TRANSFER: u32 = 0x0000_0004;
pub const IMAGE_DYNAMIC_RELOCATION_GUARD_SWITCHTABLE_BRANCH: u32 = 0x0000_0005;

// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImagePrologueDynamicRelocationHeader {
    pub prologue_byte_count: u8,
    // pub prologue_bytes: [u8; prologue_byte_count],
}

// This struct has alignment 1.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageEpilogueDynamicRelocationHeader {
    pub epilogue_count: U32Bytes<LE>,
    pub epilogue_byte_count: u8,
    pub branch_descriptor_element_size: u8,
    pub branch_descriptor_count: U16Bytes<LE>,
    // pub branch_descriptors[...],
    // pub branch_descriptor_bit_map[...],
}

/*
// TODO? bitfields
// TODO: unaligned?
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageImportControlTransferDynamicRelocation {
    DWORD       PageRelativeOffset : 12;
    DWORD       IndirectCall       : 1;
    DWORD       IATIndex           : 19;
}

// TODO: unaligned?
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageIndirControlTransferDynamicRelocation {
    WORD        PageRelativeOffset : 12;
    WORD        IndirectCall       : 1;
    WORD        RexWPrefix         : 1;
    WORD        CfgCheck           : 1;
    WORD        Reserved           : 1;
}

// TODO: unaligned?
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageSwitchtableBranchDynamicRelocation {
    WORD        PageRelativeOffset : 12;
    WORD        RegisterNumber     : 4;
}
*/

//
// Load Configuration Directory Entry
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageLoadConfigDirectory32 {
    pub size: U32<LE>,
    pub time_date_stamp: U32<LE>,
    pub major_version: U16<LE>,
    pub minor_version: U16<LE>,
    pub global_flags_clear: U32<LE>,
    pub global_flags_set: U32<LE>,
    pub critical_section_default_timeout: U32<LE>,
    pub de_commit_free_block_threshold: U32<LE>,
    pub de_commit_total_free_threshold: U32<LE>,
    /// VA
    pub lock_prefix_table: U32<LE>,
    pub maximum_allocation_size: U32<LE>,
    pub virtual_memory_threshold: U32<LE>,
    pub process_heap_flags: U32<LE>,
    pub process_affinity_mask: U32<LE>,
    pub csd_version: U16<LE>,
    pub dependent_load_flags: U16<LE>,
    /// VA
    pub edit_list: U32<LE>,
    /// VA
    pub security_cookie: U32<LE>,
    /// VA
    pub sehandler_table: U32<LE>,
    pub sehandler_count: U32<LE>,
    /// VA
    pub guard_cf_check_function_pointer: U32<LE>,
    /// VA
    pub guard_cf_dispatch_function_pointer: U32<LE>,
    /// VA
    pub guard_cf_function_table: U32<LE>,
    pub guard_cf_function_count: U32<LE>,
    pub guard_flags: U32<LE>,
    pub code_integrity: ImageLoadConfigCodeIntegrity,
    /// VA
    pub guard_address_taken_iat_entry_table: U32<LE>,
    pub guard_address_taken_iat_entry_count: U32<LE>,
    /// VA
    pub guard_long_jump_target_table: U32<LE>,
    pub guard_long_jump_target_count: U32<LE>,
    /// VA
    pub dynamic_value_reloc_table: U32<LE>,
    pub chpe_metadata_pointer: U32<LE>,
    /// VA
    pub guard_rf_failure_routine: U32<LE>,
    /// VA
    pub guard_rf_failure_routine_function_pointer: U32<LE>,
    pub dynamic_value_reloc_table_offset: U32<LE>,
    pub dynamic_value_reloc_table_section: U16<LE>,
    pub reserved2: U16<LE>,
    /// VA
    pub guard_rf_verify_stack_pointer_function_pointer: U32<LE>,
    pub hot_patch_table_offset: U32<LE>,
    pub reserved3: U32<LE>,
    /// VA
    pub enclave_configuration_pointer: U32<LE>,
    /// VA
    pub volatile_metadata_pointer: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageLoadConfigDirectory64 {
    pub size: U32<LE>,
    pub time_date_stamp: U32<LE>,
    pub major_version: U16<LE>,
    pub minor_version: U16<LE>,
    pub global_flags_clear: U32<LE>,
    pub global_flags_set: U32<LE>,
    pub critical_section_default_timeout: U32<LE>,
    pub de_commit_free_block_threshold: U64<LE>,
    pub de_commit_total_free_threshold: U64<LE>,
    /// VA
    pub lock_prefix_table: U64<LE>,
    pub maximum_allocation_size: U64<LE>,
    pub virtual_memory_threshold: U64<LE>,
    pub process_affinity_mask: U64<LE>,
    pub process_heap_flags: U32<LE>,
    pub csd_version: U16<LE>,
    pub dependent_load_flags: U16<LE>,
    /// VA
    pub edit_list: U64<LE>,
    /// VA
    pub security_cookie: U64<LE>,
    /// VA
    pub sehandler_table: U64<LE>,
    pub sehandler_count: U64<LE>,
    /// VA
    pub guard_cf_check_function_pointer: U64<LE>,
    /// VA
    pub guard_cf_dispatch_function_pointer: U64<LE>,
    /// VA
    pub guard_cf_function_table: U64<LE>,
    pub guard_cf_function_count: U64<LE>,
    pub guard_flags: U32<LE>,
    pub code_integrity: ImageLoadConfigCodeIntegrity,
    /// VA
    pub guard_address_taken_iat_entry_table: U64<LE>,
    pub guard_address_taken_iat_entry_count: U64<LE>,
    /// VA
    pub guard_long_jump_target_table: U64<LE>,
    pub guard_long_jump_target_count: U64<LE>,
    /// VA
    pub dynamic_value_reloc_table: U64<LE>,
    /// VA
    pub chpe_metadata_pointer: U64<LE>,
    /// VA
    pub guard_rf_failure_routine: U64<LE>,
    /// VA
    pub guard_rf_failure_routine_function_pointer: U64<LE>,
    pub dynamic_value_reloc_table_offset: U32<LE>,
    pub dynamic_value_reloc_table_section: U16<LE>,
    pub reserved2: U16<LE>,
    /// VA
    pub guard_rf_verify_stack_pointer_function_pointer: U64<LE>,
    pub hot_patch_table_offset: U32<LE>,
    pub reserved3: U32<LE>,
    /// VA
    pub enclave_configuration_pointer: U64<LE>,
    /// VA
    pub volatile_metadata_pointer: U64<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageHotPatchInfo {
    pub version: U32<LE>,
    pub size: U32<LE>,
    pub sequence_number: U32<LE>,
    pub base_image_list: U32<LE>,
    pub base_image_count: U32<LE>,
    /// Version 2 and later
    pub buffer_offset: U32<LE>,
    /// Version 3 and later
    pub extra_patch_size: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageHotPatchBase {
    pub sequence_number: U32<LE>,
    pub flags: U32<LE>,
    pub original_time_date_stamp: U32<LE>,
    pub original_check_sum: U32<LE>,
    pub code_integrity_info: U32<LE>,
    pub code_integrity_size: U32<LE>,
    pub patch_table: U32<LE>,
    /// Version 2 and later
    pub buffer_offset: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageHotPatchHashes {
    pub sha256: [u8; 32],
    pub sha1: [u8; 20],
}

pub const IMAGE_HOT_PATCH_BASE_OBLIGATORY: u32 = 0x0000_0001;
pub const IMAGE_HOT_PATCH_BASE_CAN_ROLL_BACK: u32 = 0x0000_0002;

pub const IMAGE_HOT_PATCH_CHUNK_INVERSE: u32 = 0x8000_0000;
pub const IMAGE_HOT_PATCH_CHUNK_OBLIGATORY: u32 = 0x4000_0000;
pub const IMAGE_HOT_PATCH_CHUNK_RESERVED: u32 = 0x3FF0_3000;
pub const IMAGE_HOT_PATCH_CHUNK_TYPE: u32 = 0x000F_C000;
pub const IMAGE_HOT_PATCH_CHUNK_SOURCE_RVA: u32 = 0x0000_8000;
pub const IMAGE_HOT_PATCH_CHUNK_TARGET_RVA: u32 = 0x0000_4000;
pub const IMAGE_HOT_PATCH_CHUNK_SIZE: u32 = 0x0000_0FFF;

pub const IMAGE_HOT_PATCH_NONE: u32 = 0x0000_0000;
pub const IMAGE_HOT_PATCH_FUNCTION: u32 = 0x0001_C000;
pub const IMAGE_HOT_PATCH_ABSOLUTE: u32 = 0x0002_C000;
pub const IMAGE_HOT_PATCH_REL32: u32 = 0x0003_C000;
pub const IMAGE_HOT_PATCH_CALL_TARGET: u32 = 0x0004_4000;
pub const IMAGE_HOT_PATCH_INDIRECT: u32 = 0x0005_C000;
pub const IMAGE_HOT_PATCH_NO_CALL_TARGET: u32 = 0x0006_4000;
pub const IMAGE_HOT_PATCH_DYNAMIC_VALUE: u32 = 0x0007_8000;

/// Module performs control flow integrity checks using system-supplied support
pub const IMAGE_GUARD_CF_INSTRUMENTED: u32 = 0x0000_0100;
/// Module performs control flow and write integrity checks
pub const IMAGE_GUARD_CFW_INSTRUMENTED: u32 = 0x0000_0200;
/// Module contains valid control flow target metadata
pub const IMAGE_GUARD_CF_FUNCTION_TABLE_PRESENT: u32 = 0x0000_0400;
/// Module does not make use of the /GS security cookie
pub const IMAGE_GUARD_SECURITY_COOKIE_UNUSED: u32 = 0x0000_0800;
/// Module supports read only delay load IAT
pub const IMAGE_GUARD_PROTECT_DELAYLOAD_IAT: u32 = 0x0000_1000;
/// Delayload import table in its own .didat section (with nothing else in it) that can be freely reprotected
pub const IMAGE_GUARD_DELAYLOAD_IAT_IN_ITS_OWN_SECTION: u32 = 0x0000_2000;
/// Module contains suppressed export information.
///
/// This also infers that the address taken taken IAT table is also present in the load config.
pub const IMAGE_GUARD_CF_EXPORT_SUPPRESSION_INFO_PRESENT: u32 = 0x0000_4000;
/// Module enables suppression of exports
pub const IMAGE_GUARD_CF_ENABLE_EXPORT_SUPPRESSION: u32 = 0x0000_8000;
/// Module contains longjmp target information
pub const IMAGE_GUARD_CF_LONGJUMP_TABLE_PRESENT: u32 = 0x0001_0000;
/// Module contains return flow instrumentation and metadata
pub const IMAGE_GUARD_RF_INSTRUMENTED: u32 = 0x0002_0000;
/// Module requests that the OS enable return flow protection
pub const IMAGE_GUARD_RF_ENABLE: u32 = 0x0004_0000;
/// Module requests that the OS enable return flow protection in strict mode
pub const IMAGE_GUARD_RF_STRICT: u32 = 0x0008_0000;
/// Module was built with retpoline support
pub const IMAGE_GUARD_RETPOLINE_PRESENT: u32 = 0x0010_0000;

/// Stride of Guard CF function table encoded in these bits (additional count of bytes per element)
pub const IMAGE_GUARD_CF_FUNCTION_TABLE_SIZE_MASK: u32 = 0xF000_0000;
/// Shift to right-justify Guard CF function table stride
pub const IMAGE_GUARD_CF_FUNCTION_TABLE_SIZE_SHIFT: u32 = 28;

//
// GFIDS table entry flags.
//

/// The containing GFID entry is suppressed
pub const IMAGE_GUARD_FLAG_FID_SUPPRESSED: u16 = 0x01;
/// The containing GFID entry is export suppressed
pub const IMAGE_GUARD_FLAG_EXPORT_SUPPRESSED: u16 = 0x02;

//
// WIN CE Exception table format
//

//
// Function table entry format.  Function table is pointed to by the
// IMAGE_DIRECTORY_ENTRY_EXCEPTION directory entry.
//

/*
// TODO? bitfields
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageCeRuntimeFunctionEntry {
    pub func_start: U32<LE>,
    DWORD PrologLen : 8;
    DWORD FuncLen : 22;
    DWORD ThirtyTwoBit : 1;
    DWORD ExceptionFlag : 1;
}
*/

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageArmRuntimeFunctionEntry {
    pub begin_address: U32<LE>,
    pub unwind_data: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageArm64RuntimeFunctionEntry {
    pub begin_address: U32<LE>,
    pub unwind_data: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageAlpha64RuntimeFunctionEntry {
    pub begin_address: U64<LE>,
    pub end_address: U64<LE>,
    pub exception_handler: U64<LE>,
    pub handler_data: U64<LE>,
    pub prolog_end_address: U64<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageAlphaRuntimeFunctionEntry {
    pub begin_address: U32<LE>,
    pub end_address: U32<LE>,
    pub exception_handler: U32<LE>,
    pub handler_data: U32<LE>,
    pub prolog_end_address: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageRuntimeFunctionEntry {
    pub begin_address: U32<LE>,
    pub end_address: U32<LE>,
    pub unwind_info_address_or_data: U32<LE>,
}

//
// Software enclave information
//

pub const IMAGE_ENCLAVE_LONG_ID_LENGTH: usize = 32;
pub const IMAGE_ENCLAVE_SHORT_ID_LENGTH: usize = 16;

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageEnclaveConfig32 {
    pub size: U32<LE>,
    pub minimum_required_config_size: U32<LE>,
    pub policy_flags: U32<LE>,
    pub number_of_imports: U32<LE>,
    pub import_list: U32<LE>,
    pub import_entry_size: U32<LE>,
    pub family_id: [u8; IMAGE_ENCLAVE_SHORT_ID_LENGTH],
    pub image_id: [u8; IMAGE_ENCLAVE_SHORT_ID_LENGTH],
    pub image_version: U32<LE>,
    pub security_version: U32<LE>,
    pub enclave_size: U32<LE>,
    pub number_of_threads: U32<LE>,
    pub enclave_flags: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageEnclaveConfig64 {
    pub size: U32<LE>,
    pub minimum_required_config_size: U32<LE>,
    pub policy_flags: U32<LE>,
    pub number_of_imports: U32<LE>,
    pub import_list: U32<LE>,
    pub import_entry_size: U32<LE>,
    pub family_id: [u8; IMAGE_ENCLAVE_SHORT_ID_LENGTH],
    pub image_id: [u8; IMAGE_ENCLAVE_SHORT_ID_LENGTH],
    pub image_version: U32<LE>,
    pub security_version: U32<LE>,
    pub enclave_size: U64<LE>,
    pub number_of_threads: U32<LE>,
    pub enclave_flags: U32<LE>,
}

//pub const IMAGE_ENCLAVE_MINIMUM_CONFIG_SIZE: usize = FIELD_OFFSET(IMAGE_ENCLAVE_CONFIG, EnclaveFlags);

pub const IMAGE_ENCLAVE_POLICY_DEBUGGABLE: u32 = 0x0000_0001;

pub const IMAGE_ENCLAVE_FLAG_PRIMARY_IMAGE: u32 = 0x0000_0001;

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageEnclaveImport {
    pub match_type: U32<LE>,
    pub minimum_security_version: U32<LE>,
    pub unique_or_author_id: [u8; IMAGE_ENCLAVE_LONG_ID_LENGTH],
    pub family_id: [u8; IMAGE_ENCLAVE_SHORT_ID_LENGTH],
    pub image_id: [u8; IMAGE_ENCLAVE_SHORT_ID_LENGTH],
    pub import_name: U32<LE>,
    pub reserved: U32<LE>,
}

pub const IMAGE_ENCLAVE_IMPORT_MATCH_NONE: u32 = 0x0000_0000;
pub const IMAGE_ENCLAVE_IMPORT_MATCH_UNIQUE_ID: u32 = 0x0000_0001;
pub const IMAGE_ENCLAVE_IMPORT_MATCH_AUTHOR_ID: u32 = 0x0000_0002;
pub const IMAGE_ENCLAVE_IMPORT_MATCH_FAMILY_ID: u32 = 0x0000_0003;
pub const IMAGE_ENCLAVE_IMPORT_MATCH_IMAGE_ID: u32 = 0x0000_0004;

//
// Debug Format
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageDebugDirectory {
    pub characteristics: U32<LE>,
    pub time_date_stamp: U32<LE>,
    pub major_version: U16<LE>,
    pub minor_version: U16<LE>,
    pub typ: U32<LE>,
    pub size_of_data: U32<LE>,
    pub address_of_raw_data: U32<LE>,
    pub pointer_to_raw_data: U32<LE>,
}

pub const IMAGE_DEBUG_TYPE_UNKNOWN: u32 = 0;
pub const IMAGE_DEBUG_TYPE_COFF: u32 = 1;
pub const IMAGE_DEBUG_TYPE_CODEVIEW: u32 = 2;
pub const IMAGE_DEBUG_TYPE_FPO: u32 = 3;
pub const IMAGE_DEBUG_TYPE_MISC: u32 = 4;
pub const IMAGE_DEBUG_TYPE_EXCEPTION: u32 = 5;
pub const IMAGE_DEBUG_TYPE_FIXUP: u32 = 6;
pub const IMAGE_DEBUG_TYPE_OMAP_TO_SRC: u32 = 7;
pub const IMAGE_DEBUG_TYPE_OMAP_FROM_SRC: u32 = 8;
pub const IMAGE_DEBUG_TYPE_BORLAND: u32 = 9;
pub const IMAGE_DEBUG_TYPE_RESERVED10: u32 = 10;
pub const IMAGE_DEBUG_TYPE_CLSID: u32 = 11;
pub const IMAGE_DEBUG_TYPE_VC_FEATURE: u32 = 12;
pub const IMAGE_DEBUG_TYPE_POGO: u32 = 13;
pub const IMAGE_DEBUG_TYPE_ILTCG: u32 = 14;
pub const IMAGE_DEBUG_TYPE_MPX: u32 = 15;
pub const IMAGE_DEBUG_TYPE_REPRO: u32 = 16;

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageCoffSymbolsHeader {
    pub number_of_symbols: U32<LE>,
    pub lva_to_first_symbol: U32<LE>,
    pub number_of_linenumbers: U32<LE>,
    pub lva_to_first_linenumber: U32<LE>,
    pub rva_to_first_byte_of_code: U32<LE>,
    pub rva_to_last_byte_of_code: U32<LE>,
    pub rva_to_first_byte_of_data: U32<LE>,
    pub rva_to_last_byte_of_data: U32<LE>,
}

pub const FRAME_FPO: u16 = 0;
pub const FRAME_TRAP: u16 = 1;
pub const FRAME_TSS: u16 = 2;
pub const FRAME_NONFPO: u16 = 3;

/*
// TODO? bitfields
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct FpoData {
/// offset 1st byte of function code
    pub ul_off_start: U32<LE>,
/// # bytes in function
    pub cb_proc_size: U32<LE>,
/// # bytes in locals/4
    pub cdw_locals: U32<LE>,
/// # bytes in params/4
    pub cdw_params: U16<LE>,
/// # bytes in prolog
    WORD        cbProlog : 8;
/// # regs saved
    WORD        cbRegs   : 3;
/// TRUE if SEH in func
    WORD        fHasSEH  : 1;
/// TRUE if EBP has been allocated
    WORD        fUseBP   : 1;
/// reserved for future use
    WORD        reserved : 1;
/// frame type
    WORD        cbFrame  : 2;
}
pub const SIZEOF_RFPO_DATA: usize = 16;
*/

pub const IMAGE_DEBUG_MISC_EXENAME: u16 = 1;

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageDebugMisc {
    /// type of misc data, see defines
    pub data_type: U32<LE>,
    /// total length of record, rounded to four byte multiple.
    pub length: U32<LE>,
    /// TRUE if data is unicode string
    pub unicode: u8,
    pub reserved: [u8; 3],
    // Actual data
    //pub data: [u8; 1],
}

//
// Function table extracted from MIPS/ALPHA/IA64 images.  Does not contain
// information needed only for runtime support.  Just those fields for
// each entry needed by a debugger.
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageFunctionEntry {
    pub starting_address: U32<LE>,
    pub ending_address: U32<LE>,
    pub end_of_prologue: U32<LE>,
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageFunctionEntry64 {
    pub starting_address: U64<LE>,
    pub ending_address: U64<LE>,
    pub end_of_prologue_or_unwind_info_address: U64<LE>,
}

//
// Debugging information can be stripped from an image file and placed
// in a separate .DBG file, whose file name part is the same as the
// image file name part (e.g. symbols for CMD.EXE could be stripped
// and placed in CMD.DBG).  This is indicated by the IMAGE_FILE_DEBUG_STRIPPED
// flag in the Characteristics field of the file header.  The beginning of
// the .DBG file contains the following structure which captures certain
// information from the image file.  This allows a debug to proceed even if
// the original image file is not accessible.  This header is followed by
// zero of more IMAGE_SECTION_HEADER structures, followed by zero or more
// IMAGE_DEBUG_DIRECTORY structures.  The latter structures and those in
// the image file contain file offsets relative to the beginning of the
// .DBG file.
//
// If symbols have been stripped from an image, the IMAGE_DEBUG_MISC structure
// is left in the image file, but not mapped.  This allows a debugger to
// compute the name of the .DBG file, from the name of the image in the
// IMAGE_DEBUG_MISC structure.
//

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageSeparateDebugHeader {
    pub signature: U16<LE>,
    pub flags: U16<LE>,
    pub machine: U16<LE>,
    pub characteristics: U16<LE>,
    pub time_date_stamp: U32<LE>,
    pub check_sum: U32<LE>,
    pub image_base: U32<LE>,
    pub size_of_image: U32<LE>,
    pub number_of_sections: U32<LE>,
    pub exported_names_size: U32<LE>,
    pub debug_directory_size: U32<LE>,
    pub section_alignment: U32<LE>,
    pub reserved: [U32<LE>; 2],
}

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct NonPagedDebugInfo {
    pub signature: U16<LE>,
    pub flags: U16<LE>,
    pub size: U32<LE>,
    pub machine: U16<LE>,
    pub characteristics: U16<LE>,
    pub time_date_stamp: U32<LE>,
    pub check_sum: U32<LE>,
    pub size_of_image: U32<LE>,
    pub image_base: U64<LE>,
    //debug_directory_size
    //ImageDebugDirectory
}

pub const IMAGE_SEPARATE_DEBUG_SIGNATURE: u16 = 0x4944;
pub const NON_PAGED_DEBUG_SIGNATURE: u16 = 0x494E;

pub const IMAGE_SEPARATE_DEBUG_FLAGS_MASK: u16 = 0x8000;
/// when DBG was updated, the old checksum didn't match.
pub const IMAGE_SEPARATE_DEBUG_MISMATCH: u16 = 0x8000;

//
//  The .arch section is made up of headers, each describing an amask position/value
//  pointing to an array of IMAGE_ARCHITECTURE_ENTRY's.  Each "array" (both the header
//  and entry arrays) are terminiated by a quadword of 0xffffffffL.
//
//  NOTE: There may be quadwords of 0 sprinkled around and must be skipped.
//

/*
// TODO? bitfields
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageArchitectureHeader {
    /// 1 -> code section depends on mask bit
    /// 0 -> new instruction depends on mask bit
    unsigned int AmaskValue: 1;
    /// MBZ
    int :7;
    /// Amask bit in question for this fixup
    unsigned int AmaskShift: 8;
    /// MBZ
    int :16;
    /// RVA into .arch section to array of ARCHITECTURE_ENTRY's
    pub first_entry_rva: U32<LE>,
}
*/

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageArchitectureEntry {
    /// RVA of instruction to fixup
    pub fixup_inst_rva: U32<LE>,
    /// fixup instruction (see alphaops.h)
    pub new_inst: U32<LE>,
}

// The following structure defines the new import object.  Note the values of the first two fields,
// which must be set as stated in order to differentiate old and new import members.
// Following this structure, the linker emits two null-terminated strings used to recreate the
// import at the time of use.  The first string is the import's name, the second is the dll's name.

pub const IMPORT_OBJECT_HDR_SIG2: u16 = 0xffff;

#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImportObjectHeader {
    /// Must be IMAGE_FILE_MACHINE_UNKNOWN
    pub sig1: U16<LE>,
    /// Must be IMPORT_OBJECT_HDR_SIG2.
    pub sig2: U16<LE>,
    pub version: U16<LE>,
    pub machine: U16<LE>,
    /// Time/date stamp
    pub time_date_stamp: U32<LE>,
    /// particularly useful for incremental links
    pub size_of_data: U32<LE>,

    /// if grf & IMPORT_OBJECT_ORDINAL
    pub ordinal_or_hint: U16<LE>,

    // WORD    Type : 2;
    // WORD    NameType : 3;
    // WORD    Reserved : 11;
    pub name_type: U16<LE>,
}

pub const IMPORT_OBJECT_TYPE_MASK: u16 = 0b11;
pub const IMPORT_OBJECT_TYPE_SHIFT: u16 = 0;
pub const IMPORT_OBJECT_CODE: u16 = 0;
pub const IMPORT_OBJECT_DATA: u16 = 1;
pub const IMPORT_OBJECT_CONST: u16 = 2;

pub const IMPORT_OBJECT_NAME_MASK: u16 = 0b111;
pub const IMPORT_OBJECT_NAME_SHIFT: u16 = 2;
/// Import by ordinal
pub const IMPORT_OBJECT_ORDINAL: u16 = 0;
/// Import name == public symbol name.
pub const IMPORT_OBJECT_NAME: u16 = 1;
/// Import name == public symbol name skipping leading ?, @, or optionally _.
pub const IMPORT_OBJECT_NAME_NO_PREFIX: u16 = 2;
/// Import name == public symbol name skipping leading ?, @, or optionally _ and truncating at first @.
pub const IMPORT_OBJECT_NAME_UNDECORATE: u16 = 3;
/// Import name == a name is explicitly provided after the DLL name.
pub const IMPORT_OBJECT_NAME_EXPORTAS: u16 = 4;

// COM+ Header entry point flags.
pub const COMIMAGE_FLAGS_ILONLY: u32 = 0x0000_0001;
pub const COMIMAGE_FLAGS_32BITREQUIRED: u32 = 0x0000_0002;
pub const COMIMAGE_FLAGS_IL_LIBRARY: u32 = 0x0000_0004;
pub const COMIMAGE_FLAGS_STRONGNAMESIGNED: u32 = 0x0000_0008;
pub const COMIMAGE_FLAGS_NATIVE_ENTRYPOINT: u32 = 0x0000_0010;
pub const COMIMAGE_FLAGS_TRACKDEBUGDATA: u32 = 0x0001_0000;
pub const COMIMAGE_FLAGS_32BITPREFERRED: u32 = 0x0002_0000;

// Version flags for image.
pub const COR_VERSION_MAJOR_V2: u16 = 2;
pub const COR_VERSION_MAJOR: u16 = COR_VERSION_MAJOR_V2;
pub const COR_VERSION_MINOR: u16 = 5;
pub const COR_DELETED_NAME_LENGTH: usize = 8;
pub const COR_VTABLEGAP_NAME_LENGTH: usize = 8;

// Maximum size of a NativeType descriptor.
pub const NATIVE_TYPE_MAX_CB: u16 = 1;
pub const COR_ILMETHOD_SECT_SMALL_MAX_DATASIZE: u16 = 0xFF;

// Consts for the MIH FLAGS
pub const IMAGE_COR_MIH_METHODRVA: u16 = 0x01;
pub const IMAGE_COR_MIH_EHRVA: u16 = 0x02;
pub const IMAGE_COR_MIH_BASICBLOCK: u16 = 0x08;

// V-table constants
/// V-table slots are 32-bits in size.
pub const COR_VTABLE_32BIT: u16 = 0x01;
/// V-table slots are 64-bits in size.
pub const COR_VTABLE_64BIT: u16 = 0x02;
/// If set, transition from unmanaged.
pub const COR_VTABLE_FROM_UNMANAGED: u16 = 0x04;
/// If set, transition from unmanaged with keeping the current appdomain.
pub const COR_VTABLE_FROM_UNMANAGED_RETAIN_APPDOMAIN: u16 = 0x08;
/// Call most derived method described by
pub const COR_VTABLE_CALL_MOST_DERIVED: u16 = 0x10;

// EATJ constants
/// Size of a jump thunk reserved range.
pub const IMAGE_COR_EATJ_THUNK_SIZE: usize = 32;

// Max name lengths
pub const MAX_CLASS_NAME: usize = 1024;
pub const MAX_PACKAGE_NAME: usize = 1024;

// CLR 2.0 header structure.
#[derive(Debug, Clone, Copy)]
#[repr(C)]
pub struct ImageCor20Header {
    // Header versioning
    pub cb: U32<LE>,
    pub major_runtime_version: U16<LE>,
    pub minor_runtime_version: U16<LE>,

    // Symbol table and startup information
    pub meta_data: ImageDataDirectory,
    pub flags: U32<LE>,

    // If COMIMAGE_FLAGS_NATIVE_ENTRYPOINT is not set, EntryPointToken represents a managed entrypoint.
    // If COMIMAGE_FLAGS_NATIVE_ENTRYPOINT is set, EntryPointRVA represents an RVA to a native entrypoint.
    pub entry_point_token_or_rva: U32<LE>,

    // Binding information
    pub resources: ImageDataDirectory,
    pub strong_name_signature: ImageDataDirectory,

    // Regular fixup and binding information
    pub code_manager_table: ImageDataDirectory,
    pub vtable_fixups: ImageDataDirectory,
    pub export_address_table_jumps: ImageDataDirectory,

    // Precompiled image info (internal use only - set to zero)
    pub managed_native_header: ImageDataDirectory,
}

unsafe_impl_pod!(
    ImageDosHeader,
    ImageOs2Header,
    ImageVxdHeader,
    ImageFileHeader,
    ImageDataDirectory,
    ImageOptionalHeader32,
    ImageRomOptionalHeader,
    ImageOptionalHeader64,
    ImageNtHeaders64,
    ImageNtHeaders32,
    ImageRomHeaders,
    Guid,
    AnonObjectHeader,
    AnonObjectHeaderV2,
    AnonObjectHeaderBigobj,
    ImageSectionHeader,
    ImageSymbol,
    ImageSymbolBytes,
    ImageSymbolEx,
    ImageSymbolExBytes,
    ImageAuxSymbolTokenDef,
    ImageAuxSymbolFunction,
    ImageAuxSymbolFunctionBeginEnd,
    ImageAuxSymbolWeak,
    ImageAuxSymbolSection,
    ImageAuxSymbolCrc,
    ImageRelocation,
    ImageLinenumber,
    ImageBaseRelocation,
    ImageArchiveMemberHeader,
    ImageExportDirectory,
    ImageImportByName,
    ImageThunkData64,
    ImageThunkData32,
    ImageTlsDirectory64,
    ImageTlsDirectory32,
    ImageImportDescriptor,
    ImageBoundImportDescriptor,
    ImageBoundForwarderRef,
    ImageDelayloadDescriptor,
    ImageResourceDirectory,
    ImageResourceDirectoryEntry,
    ImageResourceDirectoryString,
    ImageResourceDirStringU,
    ImageResourceDataEntry,
    ImageLoadConfigCodeIntegrity,
    ImageDynamicRelocationTable,
    ImageDynamicRelocation32,
    ImageDynamicRelocation64,
    ImageDynamicRelocation32V2,
    ImageDynamicRelocation64V2,
    ImagePrologueDynamicRelocationHeader,
    ImageEpilogueDynamicRelocationHeader,
    //ImageImportControlTransferDynamicRelocation,
    //ImageIndirControlTransferDynamicRelocation,
    //ImageSwitchtableBranchDynamicRelocation,
    ImageLoadConfigDirectory32,
    ImageLoadConfigDirectory64,
    ImageHotPatchInfo,
    ImageHotPatchBase,
    ImageHotPatchHashes,
    //ImageCeRuntimeFunctionEntry,
    ImageArmRuntimeFunctionEntry,
    ImageArm64RuntimeFunctionEntry,
    ImageAlpha64RuntimeFunctionEntry,
    ImageAlphaRuntimeFunctionEntry,
    ImageRuntimeFunctionEntry,
    ImageEnclaveConfig32,
    ImageEnclaveConfig64,
    ImageEnclaveImport,
    ImageDebugDirectory,
    ImageCoffSymbolsHeader,
    //FpoData,
    ImageDebugMisc,
    ImageFunctionEntry,
    ImageFunctionEntry64,
    ImageSeparateDebugHeader,
    NonPagedDebugInfo,
    //ImageArchitectureHeader,
    ImageArchitectureEntry,
    ImportObjectHeader,
    ImageCor20Header,
    MaskedRichHeaderEntry,
);
