ImageRvaToVa

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

void* ImageRvaToVa(
    IMAGE_NT_HEADERS32* NtHeaders,
    void* Base,
    DWORD Rva,
    IMAGE_SECTION_HEADER** LastRvaSection   // optional
);

<DllImport("dbghelp.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ImageRvaToVa(
    NtHeaders As IntPtr,   ' IMAGE_NT_HEADERS32*
    Base As IntPtr,   ' void*
    Rva As UInteger,   ' DWORD
    LastRvaSection As IntPtr   ' IMAGE_SECTION_HEADER** optional
) As IntPtr
End Function

' NtHeaders : IMAGE_NT_HEADERS32*
' Base : void*
' Rva : DWORD
' LastRvaSection : IMAGE_SECTION_HEADER** optional
Declare PtrSafe Function ImageRvaToVa Lib "dbghelp" ( _
    ByVal NtHeaders As LongPtr, _
    ByVal Base As LongPtr, _
    ByVal Rva As Long, _
    ByVal LastRvaSection As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ImageRvaToVa = ctypes.windll.dbghelp.ImageRvaToVa
ImageRvaToVa.restype = ctypes.c_void_p
ImageRvaToVa.argtypes = [
    ctypes.c_void_p,  # NtHeaders : IMAGE_NT_HEADERS32*
    ctypes.POINTER(None),  # Base : void*
    wintypes.DWORD,  # Rva : DWORD
    ctypes.c_void_p,  # LastRvaSection : IMAGE_SECTION_HEADER** optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
ImageRvaToVa = Fiddle::Function.new(
  lib['ImageRvaToVa'],
  [
    Fiddle::TYPE_VOIDP,  # NtHeaders : IMAGE_NT_HEADERS32*
    Fiddle::TYPE_VOIDP,  # Base : void*
    -Fiddle::TYPE_INT,  # Rva : DWORD
    Fiddle::TYPE_VOIDP,  # LastRvaSection : IMAGE_SECTION_HEADER** optional
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "dbghelp")]
extern "system" {
    fn ImageRvaToVa(
        NtHeaders: *mut IMAGE_NT_HEADERS32,  // IMAGE_NT_HEADERS32*
        Base: *mut (),  // void*
        Rva: u32,  // DWORD
        LastRvaSection: *mut *mut IMAGE_SECTION_HEADER  // IMAGE_SECTION_HEADER** optional
    ) -> *mut ();
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dbghelp.dll", SetLastError = true)]
public static extern IntPtr ImageRvaToVa(IntPtr NtHeaders, IntPtr Base, uint Rva, IntPtr LastRvaSection);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_ImageRvaToVa' -Namespace Win32 -PassThru
# $api::ImageRvaToVa(NtHeaders, Base, Rva, LastRvaSection)

#uselib "dbghelp.dll"
#func global ImageRvaToVa "ImageRvaToVa" sptr, sptr, sptr, sptr
; ImageRvaToVa varptr(NtHeaders), Base, Rva, varptr(LastRvaSection)   ; 戻り値は stat
; NtHeaders : IMAGE_NT_HEADERS32* -> "sptr"
; Base : void* -> "sptr"
; Rva : DWORD -> "sptr"
; LastRvaSection : IMAGE_SECTION_HEADER** optional -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "dbghelp.dll"
#cfunc global ImageRvaToVa "ImageRvaToVa" var, sptr, int, var
; res = ImageRvaToVa(NtHeaders, Base, Rva, LastRvaSection)
; NtHeaders : IMAGE_NT_HEADERS32* -> "var"
; Base : void* -> "sptr"
; Rva : DWORD -> "int"
; LastRvaSection : IMAGE_SECTION_HEADER** optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; void* ImageRvaToVa(IMAGE_NT_HEADERS32* NtHeaders, void* Base, DWORD Rva, IMAGE_SECTION_HEADER** LastRvaSection)
#uselib "dbghelp.dll"
#cfunc global ImageRvaToVa "ImageRvaToVa" var, intptr, int, var
; res = ImageRvaToVa(NtHeaders, Base, Rva, LastRvaSection)
; NtHeaders : IMAGE_NT_HEADERS32* -> "var"
; Base : void* -> "intptr"
; Rva : DWORD -> "int"
; LastRvaSection : IMAGE_SECTION_HEADER** optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procImageRvaToVa = dbghelp.NewProc("ImageRvaToVa")
)

// NtHeaders (IMAGE_NT_HEADERS32*), Base (void*), Rva (DWORD), LastRvaSection (IMAGE_SECTION_HEADER** optional)
r1, _, err := procImageRvaToVa.Call(
	uintptr(NtHeaders),
	uintptr(Base),
	uintptr(Rva),
	uintptr(LastRvaSection),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void*

function ImageRvaToVa(
  NtHeaders: Pointer;   // IMAGE_NT_HEADERS32*
  Base: Pointer;   // void*
  Rva: DWORD;   // DWORD
  LastRvaSection: Pointer   // IMAGE_SECTION_HEADER** optional
): Pointer; stdcall;
  external 'dbghelp.dll' name 'ImageRvaToVa';

result := DllCall("dbghelp\ImageRvaToVa"
    , "Ptr", NtHeaders   ; IMAGE_NT_HEADERS32*
    , "Ptr", Base   ; void*
    , "UInt", Rva   ; DWORD
    , "Ptr", LastRvaSection   ; IMAGE_SECTION_HEADER** optional
    , "Ptr")   ; return: void*

●ImageRvaToVa(NtHeaders, Base, Rva, LastRvaSection) = DLL("dbghelp.dll", "void* ImageRvaToVa(void*, void*, dword, void*)")
# 呼び出し: ImageRvaToVa(NtHeaders, Base, Rva, LastRvaSection)
# NtHeaders : IMAGE_NT_HEADERS32* -> "void*"
# Base : void* -> "void*"
# Rva : DWORD -> "dword"
# LastRvaSection : IMAGE_SECTION_HEADER** optional -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。