RtlAddFunctionTable

// KERNEL32.dll
#include <windows.h>

BOOLEAN RtlAddFunctionTable(
    IMAGE_RUNTIME_FUNCTION_ENTRY* FunctionTable,
    DWORD EntryCount,
    ULONGLONG BaseAddress
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function RtlAddFunctionTable(
    FunctionTable As IntPtr,   ' IMAGE_RUNTIME_FUNCTION_ENTRY*
    EntryCount As UInteger,   ' DWORD
    BaseAddress As ULong   ' ULONGLONG
) As Byte
End Function

' FunctionTable : IMAGE_RUNTIME_FUNCTION_ENTRY*
' EntryCount : DWORD
' BaseAddress : ULONGLONG
Declare PtrSafe Function RtlAddFunctionTable Lib "kernel32" ( _
    ByVal FunctionTable As LongPtr, _
    ByVal EntryCount As Long, _
    ByVal BaseAddress As LongLong) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RtlAddFunctionTable = ctypes.windll.kernel32.RtlAddFunctionTable
RtlAddFunctionTable.restype = ctypes.c_byte
RtlAddFunctionTable.argtypes = [
    ctypes.c_void_p,  # FunctionTable : IMAGE_RUNTIME_FUNCTION_ENTRY*
    wintypes.DWORD,  # EntryCount : DWORD
    ctypes.c_ulonglong,  # BaseAddress : ULONGLONG
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
RtlAddFunctionTable = Fiddle::Function.new(
  lib['RtlAddFunctionTable'],
  [
    Fiddle::TYPE_VOIDP,  # FunctionTable : IMAGE_RUNTIME_FUNCTION_ENTRY*
    -Fiddle::TYPE_INT,  # EntryCount : DWORD
    -Fiddle::TYPE_LONG_LONG,  # BaseAddress : ULONGLONG
  ],
  Fiddle::TYPE_CHAR)

#[link(name = "kernel32")]
extern "system" {
    fn RtlAddFunctionTable(
        FunctionTable: *mut IMAGE_RUNTIME_FUNCTION_ENTRY,  // IMAGE_RUNTIME_FUNCTION_ENTRY*
        EntryCount: u32,  // DWORD
        BaseAddress: u64  // ULONGLONG
    ) -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern byte RtlAddFunctionTable(IntPtr FunctionTable, uint EntryCount, ulong BaseAddress);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_RtlAddFunctionTable' -Namespace Win32 -PassThru
# $api::RtlAddFunctionTable(FunctionTable, EntryCount, BaseAddress)

#uselib "KERNEL32.dll"
#func global RtlAddFunctionTable "RtlAddFunctionTable" sptr, sptr, sptr
; RtlAddFunctionTable varptr(FunctionTable), EntryCount, BaseAddress   ; 戻り値は stat
; FunctionTable : IMAGE_RUNTIME_FUNCTION_ENTRY* -> "sptr"
; EntryCount : DWORD -> "sptr"
; BaseAddress : ULONGLONG -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 "KERNEL32.dll"
#cfunc global RtlAddFunctionTable "RtlAddFunctionTable" var, int, int64
; res = RtlAddFunctionTable(FunctionTable, EntryCount, BaseAddress)
; FunctionTable : IMAGE_RUNTIME_FUNCTION_ENTRY* -> "var"
; EntryCount : DWORD -> "int"
; BaseAddress : ULONGLONG -> "int64"
; ※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。
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。

; BOOLEAN RtlAddFunctionTable(IMAGE_RUNTIME_FUNCTION_ENTRY* FunctionTable, DWORD EntryCount, ULONGLONG BaseAddress)
#uselib "KERNEL32.dll"
#cfunc global RtlAddFunctionTable "RtlAddFunctionTable" var, int, int64
; res = RtlAddFunctionTable(FunctionTable, EntryCount, BaseAddress)
; FunctionTable : IMAGE_RUNTIME_FUNCTION_ENTRY* -> "var"
; EntryCount : DWORD -> "int"
; BaseAddress : ULONGLONG -> "int64"
; ※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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procRtlAddFunctionTable = kernel32.NewProc("RtlAddFunctionTable")
)

// FunctionTable (IMAGE_RUNTIME_FUNCTION_ENTRY*), EntryCount (DWORD), BaseAddress (ULONGLONG)
r1, _, err := procRtlAddFunctionTable.Call(
	uintptr(FunctionTable),
	uintptr(EntryCount),
	uintptr(BaseAddress),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOLEAN

function RtlAddFunctionTable(
  FunctionTable: Pointer;   // IMAGE_RUNTIME_FUNCTION_ENTRY*
  EntryCount: DWORD;   // DWORD
  BaseAddress: UInt64   // ULONGLONG
): ByteBool; stdcall;
  external 'KERNEL32.dll' name 'RtlAddFunctionTable';

result := DllCall("KERNEL32\RtlAddFunctionTable"
    , "Ptr", FunctionTable   ; IMAGE_RUNTIME_FUNCTION_ENTRY*
    , "UInt", EntryCount   ; DWORD
    , "Int64", BaseAddress   ; ULONGLONG
    , "Char")   ; return: BOOLEAN

●RtlAddFunctionTable(FunctionTable, EntryCount, BaseAddress) = DLL("KERNEL32.dll", "byte RtlAddFunctionTable(void*, dword, qword)")
# 呼び出し: RtlAddFunctionTable(FunctionTable, EntryCount, BaseAddress)
# FunctionTable : IMAGE_RUNTIME_FUNCTION_ENTRY* -> "void*"
# EntryCount : DWORD -> "dword"
# BaseAddress : ULONGLONG -> "qword"
# 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)。