SymGetUnwindInfo

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

BOOL SymGetUnwindInfo(
    HANDLE hProcess,
    ULONGLONG Address,
    void* Buffer,   // optional
    DWORD* Size
);

<DllImport("dbghelp.dll", ExactSpelling:=True)>
Public Shared Function SymGetUnwindInfo(
    hProcess As IntPtr,   ' HANDLE
    Address As ULong,   ' ULONGLONG
    Buffer As IntPtr,   ' void* optional, out
    ByRef Size As UInteger   ' DWORD* in/out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hProcess : HANDLE
' Address : ULONGLONG
' Buffer : void* optional, out
' Size : DWORD* in/out
Declare PtrSafe Function SymGetUnwindInfo Lib "dbghelp" ( _
    ByVal hProcess As LongPtr, _
    ByVal Address As LongLong, _
    ByVal Buffer As LongPtr, _
    ByRef Size As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SymGetUnwindInfo = ctypes.windll.dbghelp.SymGetUnwindInfo
SymGetUnwindInfo.restype = wintypes.BOOL
SymGetUnwindInfo.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.c_ulonglong,  # Address : ULONGLONG
    ctypes.POINTER(None),  # Buffer : void* optional, out
    ctypes.POINTER(wintypes.DWORD),  # Size : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
SymGetUnwindInfo = Fiddle::Function.new(
  lib['SymGetUnwindInfo'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    -Fiddle::TYPE_LONG_LONG,  # Address : ULONGLONG
    Fiddle::TYPE_VOIDP,  # Buffer : void* optional, out
    Fiddle::TYPE_VOIDP,  # Size : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll")]
public static extern bool SymGetUnwindInfo(IntPtr hProcess, ulong Address, IntPtr Buffer, ref uint Size);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_SymGetUnwindInfo' -Namespace Win32 -PassThru
# $api::SymGetUnwindInfo(hProcess, Address, Buffer, Size)

#uselib "dbghelp.dll"
#func global SymGetUnwindInfo "SymGetUnwindInfo" sptr, sptr, sptr, sptr
; SymGetUnwindInfo hProcess, Address, Buffer, varptr(Size)   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; Address : ULONGLONG -> "sptr"
; Buffer : void* optional, out -> "sptr"
; Size : DWORD* 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。

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

var (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procSymGetUnwindInfo = dbghelp.NewProc("SymGetUnwindInfo")
)

// hProcess (HANDLE), Address (ULONGLONG), Buffer (void* optional, out), Size (DWORD* in/out)
r1, _, err := procSymGetUnwindInfo.Call(
	uintptr(hProcess),
	uintptr(Address),
	uintptr(Buffer),
	uintptr(Size),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SymGetUnwindInfo(
  hProcess: THandle;   // HANDLE
  Address: UInt64;   // ULONGLONG
  Buffer: Pointer;   // void* optional, out
  Size: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'dbghelp.dll' name 'SymGetUnwindInfo';

result := DllCall("dbghelp\SymGetUnwindInfo"
    , "Ptr", hProcess   ; HANDLE
    , "Int64", Address   ; ULONGLONG
    , "Ptr", Buffer   ; void* optional, out
    , "Ptr", Size   ; DWORD* in/out
    , "Int")   ; return: BOOL

●SymGetUnwindInfo(hProcess, Address, Buffer, Size) = DLL("dbghelp.dll", "bool SymGetUnwindInfo(void*, qword, void*, void*)")
# 呼び出し: SymGetUnwindInfo(hProcess, Address, Buffer, Size)
# hProcess : HANDLE -> "void*"
# Address : ULONGLONG -> "qword"
# Buffer : void* optional, out -> "void*"
# Size : DWORD* 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)。

const std = @import("std");

extern "dbghelp" fn SymGetUnwindInfo(
    hProcess: ?*anyopaque, // HANDLE
    Address: u64, // ULONGLONG
    Buffer: ?*anyopaque, // void* optional, out
    Size: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;

proc SymGetUnwindInfo(
    hProcess: pointer,  # HANDLE
    Address: uint64,  # ULONGLONG
    Buffer: pointer,  # void* optional, out
    Size: ptr uint32  # DWORD* in/out
): int32 {.importc: "SymGetUnwindInfo", stdcall, dynlib: "dbghelp.dll".}

pragma(lib, "dbghelp");
extern(Windows)
int SymGetUnwindInfo(
    void* hProcess,   // HANDLE
    ulong Address,   // ULONGLONG
    void* Buffer,   // void* optional, out
    uint* Size   // DWORD* in/out
);

ccall((:SymGetUnwindInfo, "dbghelp.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt64, Ptr{Cvoid}, Ptr{UInt32}),
      hProcess, Address, Buffer, Size)
# hProcess : HANDLE -> Ptr{Cvoid}
# Address : ULONGLONG -> UInt64
# Buffer : void* optional, out -> Ptr{Cvoid}
# Size : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t SymGetUnwindInfo(
    void* hProcess,
    uint64_t Address,
    void* Buffer,
    uint32_t* Size);
]]
local dbghelp = ffi.load("dbghelp")
-- dbghelp.SymGetUnwindInfo(hProcess, Address, Buffer, Size)
-- hProcess : HANDLE
-- Address : ULONGLONG
-- Buffer : void* optional, out
-- Size : DWORD* in/out
-- 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。

const koffi = require('koffi');
const lib = koffi.load('dbghelp.dll');
const SymGetUnwindInfo = lib.func('__stdcall', 'SymGetUnwindInfo', 'int32_t', ['void *', 'uint64_t', 'void *', 'uint32_t *']);
// SymGetUnwindInfo(hProcess, Address, Buffer, Size)
// hProcess : HANDLE -> 'void *'
// Address : ULONGLONG -> 'uint64_t'
// Buffer : void* optional, out -> 'void *'
// Size : DWORD* in/out -> '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", {
  SymGetUnwindInfo: { parameters: ["pointer", "u64", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.SymGetUnwindInfo(hProcess, Address, Buffer, Size)
// hProcess : HANDLE -> "pointer"
// Address : ULONGLONG -> "u64"
// Buffer : void* optional, out -> "pointer"
// Size : DWORD* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t SymGetUnwindInfo(
    void* hProcess,
    uint64_t Address,
    void* Buffer,
    uint32_t* Size);
C, "dbghelp.dll");
// $ffi->SymGetUnwindInfo(hProcess, Address, Buffer, Size);
// hProcess : HANDLE
// Address : ULONGLONG
// Buffer : void* optional, out
// Size : DWORD* in/out
// 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);
    boolean SymGetUnwindInfo(
        Pointer hProcess,   // HANDLE
        long Address,   // ULONGLONG
        Pointer Buffer,   // void* optional, out
        IntByReference Size   // DWORD* in/out
    );
}

@[Link("dbghelp")]
lib Libdbghelp
  fun SymGetUnwindInfo = SymGetUnwindInfo(
    hProcess : Void*,   # HANDLE
    Address : UInt64,   # ULONGLONG
    Buffer : Void*,   # void* optional, out
    Size : UInt32*   # DWORD* in/out
  ) : 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 SymGetUnwindInfoNative = Int32 Function(Pointer<Void>, Uint64, Pointer<Void>, Pointer<Uint32>);
typedef SymGetUnwindInfoDart = int Function(Pointer<Void>, int, Pointer<Void>, Pointer<Uint32>);
final SymGetUnwindInfo = DynamicLibrary.open('dbghelp.dll')
    .lookupFunction<SymGetUnwindInfoNative, SymGetUnwindInfoDart>('SymGetUnwindInfo');
// hProcess : HANDLE -> Pointer<Void>
// Address : ULONGLONG -> Uint64
// Buffer : void* optional, out -> Pointer<Void>
// Size : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SymGetUnwindInfo(
  hProcess: THandle;   // HANDLE
  Address: UInt64;   // ULONGLONG
  Buffer: Pointer;   // void* optional, out
  Size: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'dbghelp.dll' name 'SymGetUnwindInfo';

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

foreign import stdcall safe "SymGetUnwindInfo"
  c_SymGetUnwindInfo :: Ptr () -> Word64 -> Ptr () -> Ptr Word32 -> IO CInt
-- hProcess : HANDLE -> Ptr ()
-- Address : ULONGLONG -> Word64
-- Buffer : void* optional, out -> Ptr ()
-- Size : DWORD* in/out -> Ptr 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 symgetunwindinfo =
  foreign "SymGetUnwindInfo"
    ((ptr void) @-> uint64_t @-> (ptr void) @-> (ptr uint32_t) @-> returning int32_t)
(* hProcess : HANDLE -> (ptr void) *)
(* Address : ULONGLONG -> uint64_t *)
(* Buffer : void* optional, out -> (ptr void) *)
(* Size : DWORD* in/out -> (ptr 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 ("SymGetUnwindInfo" sym-get-unwind-info :convention :stdcall) :int32
  (h-process :pointer)   ; HANDLE
  (address :uint64)   ; ULONGLONG
  (buffer :pointer)   ; void* optional, out
  (size :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SymGetUnwindInfo = Win32::API::More->new('dbghelp',
    'BOOL SymGetUnwindInfo(HANDLE hProcess, UINT64 Address, LPVOID Buffer, LPVOID Size)');
# my $ret = $SymGetUnwindInfo->Call($hProcess, $Address, $Buffer, $Size);
# hProcess : HANDLE -> HANDLE
# Address : ULONGLONG -> UINT64
# Buffer : void* optional, out -> LPVOID
# Size : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。