SymFromIndex

// dbghelp.dll  (ANSI / -A)
#include <windows.h>

BOOL SymFromIndex(
    HANDLE hProcess,
    ULONGLONG BaseOfDll,
    DWORD Index,
    SYMBOL_INFO* Symbol
);

<DllImport("dbghelp.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SymFromIndex(
    hProcess As IntPtr,   ' HANDLE
    BaseOfDll As ULong,   ' ULONGLONG
    Index As UInteger,   ' DWORD
    Symbol As IntPtr   ' SYMBOL_INFO* in/out
) As Boolean
End Function

' hProcess : HANDLE
' BaseOfDll : ULONGLONG
' Index : DWORD
' Symbol : SYMBOL_INFO* in/out
Declare PtrSafe Function SymFromIndex Lib "dbghelp" ( _
    ByVal hProcess As LongPtr, _
    ByVal BaseOfDll As LongLong, _
    ByVal Index As Long, _
    ByVal Symbol 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

SymFromIndex = ctypes.windll.dbghelp.SymFromIndex
SymFromIndex.restype = wintypes.BOOL
SymFromIndex.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.c_ulonglong,  # BaseOfDll : ULONGLONG
    wintypes.DWORD,  # Index : DWORD
    ctypes.c_void_p,  # Symbol : SYMBOL_INFO* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
SymFromIndex = Fiddle::Function.new(
  lib['SymFromIndex'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    -Fiddle::TYPE_LONG_LONG,  # BaseOfDll : ULONGLONG
    -Fiddle::TYPE_INT,  # Index : DWORD
    Fiddle::TYPE_VOIDP,  # Symbol : SYMBOL_INFO* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "dbghelp")]
extern "system" {
    fn SymFromIndex(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        BaseOfDll: u64,  // ULONGLONG
        Index: u32,  // DWORD
        Symbol: *mut SYMBOL_INFO  // SYMBOL_INFO* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool SymFromIndex(IntPtr hProcess, ulong BaseOfDll, uint Index, IntPtr Symbol);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_SymFromIndex' -Namespace Win32 -PassThru
# $api::SymFromIndex(hProcess, BaseOfDll, Index, Symbol)

#uselib "dbghelp.dll"
#func global SymFromIndex "SymFromIndex" sptr, sptr, sptr, sptr
; SymFromIndex hProcess, BaseOfDll, Index, varptr(Symbol)   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; BaseOfDll : ULONGLONG -> "sptr"
; Index : DWORD -> "sptr"
; Symbol : SYMBOL_INFO* in/out -> "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 "dbghelp.dll"
#cfunc global SymFromIndex "SymFromIndex" sptr, int64, int, var
; res = SymFromIndex(hProcess, BaseOfDll, Index, Symbol)
; hProcess : HANDLE -> "sptr"
; BaseOfDll : ULONGLONG -> "int64"
; Index : DWORD -> "int"
; Symbol : SYMBOL_INFO* in/out -> "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。
; ※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 SymFromIndex(HANDLE hProcess, ULONGLONG BaseOfDll, DWORD Index, SYMBOL_INFO* Symbol)
#uselib "dbghelp.dll"
#cfunc global SymFromIndex "SymFromIndex" intptr, int64, int, var
; res = SymFromIndex(hProcess, BaseOfDll, Index, Symbol)
; hProcess : HANDLE -> "intptr"
; BaseOfDll : ULONGLONG -> "int64"
; Index : DWORD -> "int"
; Symbol : SYMBOL_INFO* in/out -> "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")
	procSymFromIndex = dbghelp.NewProc("SymFromIndex")
)

// hProcess (HANDLE), BaseOfDll (ULONGLONG), Index (DWORD), Symbol (SYMBOL_INFO* in/out)
r1, _, err := procSymFromIndex.Call(
	uintptr(hProcess),
	uintptr(BaseOfDll),
	uintptr(Index),
	uintptr(Symbol),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SymFromIndex(
  hProcess: THandle;   // HANDLE
  BaseOfDll: UInt64;   // ULONGLONG
  Index: DWORD;   // DWORD
  Symbol: Pointer   // SYMBOL_INFO* in/out
): BOOL; stdcall;
  external 'dbghelp.dll' name 'SymFromIndex';

result := DllCall("dbghelp\SymFromIndex"
    , "Ptr", hProcess   ; HANDLE
    , "Int64", BaseOfDll   ; ULONGLONG
    , "UInt", Index   ; DWORD
    , "Ptr", Symbol   ; SYMBOL_INFO* in/out
    , "Int")   ; return: BOOL

●SymFromIndex(hProcess, BaseOfDll, Index, Symbol) = DLL("dbghelp.dll", "bool SymFromIndex(void*, qword, dword, void*)")
# 呼び出し: SymFromIndex(hProcess, BaseOfDll, Index, Symbol)
# hProcess : HANDLE -> "void*"
# BaseOfDll : ULONGLONG -> "qword"
# Index : DWORD -> "dword"
# Symbol : SYMBOL_INFO* in/out -> "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)。