SymAddSymbolW

// dbghelp.dll  (Unicode / -W)
#include <windows.h>

BOOL SymAddSymbolW(
    HANDLE hProcess,
    ULONGLONG BaseOfDll,
    LPCWSTR Name,
    ULONGLONG Address,
    DWORD Size,
    DWORD Flags
);

<DllImport("dbghelp.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SymAddSymbolW(
    hProcess As IntPtr,   ' HANDLE
    BaseOfDll As ULong,   ' ULONGLONG
    <MarshalAs(UnmanagedType.LPWStr)> Name As String,   ' LPCWSTR
    Address As ULong,   ' ULONGLONG
    Size As UInteger,   ' DWORD
    Flags As UInteger   ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hProcess : HANDLE
' BaseOfDll : ULONGLONG
' Name : LPCWSTR
' Address : ULONGLONG
' Size : DWORD
' Flags : DWORD
Declare PtrSafe Function SymAddSymbolW Lib "dbghelp" ( _
    ByVal hProcess As LongPtr, _
    ByVal BaseOfDll As LongLong, _
    ByVal Name As LongPtr, _
    ByVal Address As LongLong, _
    ByVal Size As Long, _
    ByVal Flags As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SymAddSymbolW = ctypes.windll.dbghelp.SymAddSymbolW
SymAddSymbolW.restype = wintypes.BOOL
SymAddSymbolW.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.c_ulonglong,  # BaseOfDll : ULONGLONG
    wintypes.LPCWSTR,  # Name : LPCWSTR
    ctypes.c_ulonglong,  # Address : ULONGLONG
    wintypes.DWORD,  # Size : DWORD
    wintypes.DWORD,  # Flags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
SymAddSymbolW = Fiddle::Function.new(
  lib['SymAddSymbolW'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    -Fiddle::TYPE_LONG_LONG,  # BaseOfDll : ULONGLONG
    Fiddle::TYPE_VOIDP,  # Name : LPCWSTR
    -Fiddle::TYPE_LONG_LONG,  # Address : ULONGLONG
    -Fiddle::TYPE_INT,  # Size : DWORD
    -Fiddle::TYPE_INT,  # Flags : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "dbghelp")]
extern "system" {
    fn SymAddSymbolW(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        BaseOfDll: u64,  // ULONGLONG
        Name: *const u16,  // LPCWSTR
        Address: u64,  // ULONGLONG
        Size: u32,  // DWORD
        Flags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool SymAddSymbolW(IntPtr hProcess, ulong BaseOfDll, [MarshalAs(UnmanagedType.LPWStr)] string Name, ulong Address, uint Size, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_SymAddSymbolW' -Namespace Win32 -PassThru
# $api::SymAddSymbolW(hProcess, BaseOfDll, Name, Address, Size, Flags)

#uselib "dbghelp.dll"
#func global SymAddSymbolW "SymAddSymbolW" wptr, wptr, wptr, wptr, wptr, wptr
; SymAddSymbolW hProcess, BaseOfDll, Name, Address, Size, Flags   ; 戻り値は stat
; hProcess : HANDLE -> "wptr"
; BaseOfDll : ULONGLONG -> "wptr"
; Name : LPCWSTR -> "wptr"
; Address : ULONGLONG -> "wptr"
; Size : DWORD -> "wptr"
; Flags : DWORD -> "wptr"
; ※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 "dbghelp.dll"
#cfunc global SymAddSymbolW "SymAddSymbolW" sptr, int64, wstr, int64, int, int
; res = SymAddSymbolW(hProcess, BaseOfDll, Name, Address, Size, Flags)
; hProcess : HANDLE -> "sptr"
; BaseOfDll : ULONGLONG -> "int64"
; Name : LPCWSTR -> "wstr"
; Address : ULONGLONG -> "int64"
; Size : DWORD -> "int"
; Flags : DWORD -> "int"
; ※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)。

; BOOL SymAddSymbolW(HANDLE hProcess, ULONGLONG BaseOfDll, LPCWSTR Name, ULONGLONG Address, DWORD Size, DWORD Flags)
#uselib "dbghelp.dll"
#cfunc global SymAddSymbolW "SymAddSymbolW" intptr, int64, wstr, int64, int, int
; res = SymAddSymbolW(hProcess, BaseOfDll, Name, Address, Size, Flags)
; hProcess : HANDLE -> "intptr"
; BaseOfDll : ULONGLONG -> "int64"
; Name : LPCWSTR -> "wstr"
; Address : ULONGLONG -> "int64"
; Size : DWORD -> "int"
; Flags : DWORD -> "int"

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

var (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procSymAddSymbolW = dbghelp.NewProc("SymAddSymbolW")
)

// hProcess (HANDLE), BaseOfDll (ULONGLONG), Name (LPCWSTR), Address (ULONGLONG), Size (DWORD), Flags (DWORD)
r1, _, err := procSymAddSymbolW.Call(
	uintptr(hProcess),
	uintptr(BaseOfDll),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(Name))),
	uintptr(Address),
	uintptr(Size),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SymAddSymbolW(
  hProcess: THandle;   // HANDLE
  BaseOfDll: UInt64;   // ULONGLONG
  Name: PWideChar;   // LPCWSTR
  Address: UInt64;   // ULONGLONG
  Size: DWORD;   // DWORD
  Flags: DWORD   // DWORD
): BOOL; stdcall;
  external 'dbghelp.dll' name 'SymAddSymbolW';

result := DllCall("dbghelp\SymAddSymbolW"
    , "Ptr", hProcess   ; HANDLE
    , "Int64", BaseOfDll   ; ULONGLONG
    , "WStr", Name   ; LPCWSTR
    , "Int64", Address   ; ULONGLONG
    , "UInt", Size   ; DWORD
    , "UInt", Flags   ; DWORD
    , "Int")   ; return: BOOL

●SymAddSymbolW(hProcess, BaseOfDll, Name, Address, Size, Flags) = DLL("dbghelp.dll", "bool SymAddSymbolW(void*, qword, char*, qword, dword, dword)")
# 呼び出し: SymAddSymbolW(hProcess, BaseOfDll, Name, Address, Size, Flags)
# hProcess : HANDLE -> "void*"
# BaseOfDll : ULONGLONG -> "qword"
# Name : LPCWSTR -> "char*"
# Address : ULONGLONG -> "qword"
# Size : DWORD -> "dword"
# Flags : DWORD -> "dword"
# 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "dbghelp" fn SymAddSymbolW(
    hProcess: ?*anyopaque, // HANDLE
    BaseOfDll: u64, // ULONGLONG
    Name: [*c]const u16, // LPCWSTR
    Address: u64, // ULONGLONG
    Size: u32, // DWORD
    Flags: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc SymAddSymbolW(
    hProcess: pointer,  # HANDLE
    BaseOfDll: uint64,  # ULONGLONG
    Name: WideCString,  # LPCWSTR
    Address: uint64,  # ULONGLONG
    Size: uint32,  # DWORD
    Flags: uint32  # DWORD
): int32 {.importc: "SymAddSymbolW", stdcall, dynlib: "dbghelp.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "dbghelp");
extern(Windows)
int SymAddSymbolW(
    void* hProcess,   // HANDLE
    ulong BaseOfDll,   // ULONGLONG
    const(wchar)* Name,   // LPCWSTR
    ulong Address,   // ULONGLONG
    uint Size,   // DWORD
    uint Flags   // DWORD
);

ccall((:SymAddSymbolW, "dbghelp.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt64, Cwstring, UInt64, UInt32, UInt32),
      hProcess, BaseOfDll, Name, Address, Size, Flags)
# hProcess : HANDLE -> Ptr{Cvoid}
# BaseOfDll : ULONGLONG -> UInt64
# Name : LPCWSTR -> Cwstring
# Address : ULONGLONG -> UInt64
# Size : DWORD -> UInt32
# Flags : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t SymAddSymbolW(
    void* hProcess,
    uint64_t BaseOfDll,
    const uint16_t* Name,
    uint64_t Address,
    uint32_t Size,
    uint32_t Flags);
]]
local dbghelp = ffi.load("dbghelp")
-- dbghelp.SymAddSymbolW(hProcess, BaseOfDll, Name, Address, Size, Flags)
-- hProcess : HANDLE
-- BaseOfDll : ULONGLONG
-- Name : LPCWSTR
-- Address : ULONGLONG
-- Size : DWORD
-- Flags : DWORD
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('dbghelp.dll');
const SymAddSymbolW = lib.func('__stdcall', 'SymAddSymbolW', 'int32_t', ['void *', 'uint64_t', 'str16', 'uint64_t', 'uint32_t', 'uint32_t']);
// SymAddSymbolW(hProcess, BaseOfDll, Name, Address, Size, Flags)
// hProcess : HANDLE -> 'void *'
// BaseOfDll : ULONGLONG -> 'uint64_t'
// Name : LPCWSTR -> 'str16'
// Address : ULONGLONG -> 'uint64_t'
// Size : DWORD -> 'uint32_t'
// Flags : DWORD -> 'uint32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("dbghelp.dll", {
  SymAddSymbolW: { parameters: ["pointer", "u64", "buffer", "u64", "u32", "u32"], result: "i32" },
});
// lib.symbols.SymAddSymbolW(hProcess, BaseOfDll, Name, Address, Size, Flags)
// hProcess : HANDLE -> "pointer"
// BaseOfDll : ULONGLONG -> "u64"
// Name : LPCWSTR -> "buffer"
// Address : ULONGLONG -> "u64"
// Size : DWORD -> "u32"
// Flags : DWORD -> "u32"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t SymAddSymbolW(
    void* hProcess,
    uint64_t BaseOfDll,
    const uint16_t* Name,
    uint64_t Address,
    uint32_t Size,
    uint32_t Flags);
C, "dbghelp.dll");
// $ffi->SymAddSymbolW(hProcess, BaseOfDll, Name, Address, Size, Flags);
// hProcess : HANDLE
// BaseOfDll : ULONGLONG
// Name : LPCWSTR
// Address : ULONGLONG
// Size : DWORD
// Flags : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Dbghelp extends StdCallLibrary {
    Dbghelp INSTANCE = Native.load("dbghelp", Dbghelp.class, W32APIOptions.UNICODE_OPTIONS);
    boolean SymAddSymbolW(
        Pointer hProcess,   // HANDLE
        long BaseOfDll,   // ULONGLONG
        WString Name,   // LPCWSTR
        long Address,   // ULONGLONG
        int Size,   // DWORD
        int Flags   // DWORD
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("dbghelp")]
lib Libdbghelp
  fun SymAddSymbolW = SymAddSymbolW(
    hProcess : Void*,   # HANDLE
    BaseOfDll : UInt64,   # ULONGLONG
    Name : UInt16*,   # LPCWSTR
    Address : UInt64,   # ULONGLONG
    Size : UInt32,   # DWORD
    Flags : UInt32   # DWORD
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef SymAddSymbolWNative = Int32 Function(Pointer<Void>, Uint64, Pointer<Utf16>, Uint64, Uint32, Uint32);
typedef SymAddSymbolWDart = int Function(Pointer<Void>, int, Pointer<Utf16>, int, int, int);
final SymAddSymbolW = DynamicLibrary.open('dbghelp.dll')
    .lookupFunction<SymAddSymbolWNative, SymAddSymbolWDart>('SymAddSymbolW');
// hProcess : HANDLE -> Pointer<Void>
// BaseOfDll : ULONGLONG -> Uint64
// Name : LPCWSTR -> Pointer<Utf16>
// Address : ULONGLONG -> Uint64
// Size : DWORD -> Uint32
// Flags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SymAddSymbolW(
  hProcess: THandle;   // HANDLE
  BaseOfDll: UInt64;   // ULONGLONG
  Name: PWideChar;   // LPCWSTR
  Address: UInt64;   // ULONGLONG
  Size: DWORD;   // DWORD
  Flags: DWORD   // DWORD
): BOOL; stdcall;
  external 'dbghelp.dll' name 'SymAddSymbolW';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SymAddSymbolW"
  c_SymAddSymbolW :: Ptr () -> Word64 -> CWString -> Word64 -> Word32 -> Word32 -> IO CInt
-- hProcess : HANDLE -> Ptr ()
-- BaseOfDll : ULONGLONG -> Word64
-- Name : LPCWSTR -> CWString
-- Address : ULONGLONG -> Word64
-- Size : DWORD -> Word32
-- Flags : DWORD -> Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let symaddsymbolw =
  foreign "SymAddSymbolW"
    ((ptr void) @-> uint64_t @-> (ptr uint16_t) @-> uint64_t @-> uint32_t @-> uint32_t @-> returning int32_t)
(* hProcess : HANDLE -> (ptr void) *)
(* BaseOfDll : ULONGLONG -> uint64_t *)
(* Name : LPCWSTR -> (ptr uint16_t) *)
(* Address : ULONGLONG -> uint64_t *)
(* Size : DWORD -> uint32_t *)
(* Flags : DWORD -> uint32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library dbghelp (t "dbghelp.dll"))
(cffi:use-foreign-library dbghelp)

(cffi:defcfun ("SymAddSymbolW" sym-add-symbol-w :convention :stdcall) :int32
  (h-process :pointer)   ; HANDLE
  (base-of-dll :uint64)   ; ULONGLONG
  (name (:string :encoding :utf-16le))   ; LPCWSTR
  (address :uint64)   ; ULONGLONG
  (size :uint32)   ; DWORD
  (flags :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SymAddSymbolW = Win32::API::More->new('dbghelp',
    'BOOL SymAddSymbolW(HANDLE hProcess, UINT64 BaseOfDll, LPCWSTR Name, UINT64 Address, DWORD Size, DWORD Flags)');
# my $ret = $SymAddSymbolW->Call($hProcess, $BaseOfDll, $Name, $Address, $Size, $Flags);
# hProcess : HANDLE -> HANDLE
# BaseOfDll : ULONGLONG -> UINT64
# Name : LPCWSTR -> LPCWSTR
# Address : ULONGLONG -> UINT64
# Size : DWORD -> DWORD
# Flags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。