FlushInstructionCache

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

BOOL FlushInstructionCache(
    HANDLE hProcess,
    const void* lpBaseAddress,   // optional
    UINT_PTR dwSize
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FlushInstructionCache(
    hProcess As IntPtr,   ' HANDLE
    lpBaseAddress As IntPtr,   ' void* optional
    dwSize As UIntPtr   ' UINT_PTR
) As Boolean
End Function

' hProcess : HANDLE
' lpBaseAddress : void* optional
' dwSize : UINT_PTR
Declare PtrSafe Function FlushInstructionCache Lib "kernel32" ( _
    ByVal hProcess As LongPtr, _
    ByVal lpBaseAddress As LongPtr, _
    ByVal dwSize As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

FlushInstructionCache = ctypes.windll.kernel32.FlushInstructionCache
FlushInstructionCache.restype = wintypes.BOOL
FlushInstructionCache.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.POINTER(None),  # lpBaseAddress : void* optional
    ctypes.c_size_t,  # dwSize : UINT_PTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
FlushInstructionCache = Fiddle::Function.new(
  lib['FlushInstructionCache'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_VOIDP,  # lpBaseAddress : void* optional
    Fiddle::TYPE_UINTPTR_T,  # dwSize : UINT_PTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn FlushInstructionCache(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        lpBaseAddress: *const (),  // void* optional
        dwSize: usize  // UINT_PTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool FlushInstructionCache(IntPtr hProcess, IntPtr lpBaseAddress, UIntPtr dwSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_FlushInstructionCache' -Namespace Win32 -PassThru
# $api::FlushInstructionCache(hProcess, lpBaseAddress, dwSize)

#uselib "KERNEL32.dll"
#func global FlushInstructionCache "FlushInstructionCache" sptr, sptr, sptr
; FlushInstructionCache hProcess, lpBaseAddress, dwSize   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; lpBaseAddress : void* optional -> "sptr"
; dwSize : UINT_PTR -> "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 "KERNEL32.dll"
#cfunc global FlushInstructionCache "FlushInstructionCache" sptr, sptr, sptr
; res = FlushInstructionCache(hProcess, lpBaseAddress, dwSize)
; hProcess : HANDLE -> "sptr"
; lpBaseAddress : void* optional -> "sptr"
; dwSize : UINT_PTR -> "sptr"

; BOOL FlushInstructionCache(HANDLE hProcess, void* lpBaseAddress, UINT_PTR dwSize)
#uselib "KERNEL32.dll"
#cfunc global FlushInstructionCache "FlushInstructionCache" intptr, intptr, intptr
; res = FlushInstructionCache(hProcess, lpBaseAddress, dwSize)
; hProcess : HANDLE -> "intptr"
; lpBaseAddress : void* optional -> "intptr"
; dwSize : UINT_PTR -> "intptr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procFlushInstructionCache = kernel32.NewProc("FlushInstructionCache")
)

// hProcess (HANDLE), lpBaseAddress (void* optional), dwSize (UINT_PTR)
r1, _, err := procFlushInstructionCache.Call(
	uintptr(hProcess),
	uintptr(lpBaseAddress),
	uintptr(dwSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FlushInstructionCache(
  hProcess: THandle;   // HANDLE
  lpBaseAddress: Pointer;   // void* optional
  dwSize: NativeUInt   // UINT_PTR
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'FlushInstructionCache';

result := DllCall("KERNEL32\FlushInstructionCache"
    , "Ptr", hProcess   ; HANDLE
    , "Ptr", lpBaseAddress   ; void* optional
    , "UPtr", dwSize   ; UINT_PTR
    , "Int")   ; return: BOOL

●FlushInstructionCache(hProcess, lpBaseAddress, dwSize) = DLL("KERNEL32.dll", "bool FlushInstructionCache(void*, void*, int)")
# 呼び出し: FlushInstructionCache(hProcess, lpBaseAddress, dwSize)
# hProcess : HANDLE -> "void*"
# lpBaseAddress : void* optional -> "void*"
# dwSize : UINT_PTR -> "int"
# 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)。