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CallStackUnwind

関数
仮想プロセッサのコールスタックを巻き戻して取得する。
DLLVmSavedStateDumpProvider.dll呼出規約winapi

シグネチャ

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

HRESULT CallStackUnwind(
    void* vmSavedStateDumpHandle,
    DWORD vpId,
    MODULE_INFO* imageInfo,
    DWORD imageInfoCount,
    DWORD frameCount,
    LPWSTR* callStack
);

パラメーター

名前方向説明
vmSavedStateDumpHandlevoid*inout対象の保存状態ダンプハンドルを指定する。
vpIdDWORDinコールスタックを展開する対象の仮想プロセッサのIDを指定する。
imageInfoMODULE_INFO*inアンワインドに用いるロード済みモジュール情報の配列へのポインタ。
imageInfoCountDWORDinimageInfo配列の要素数を指定する。
frameCountDWORDin取得を試みるスタックフレームの最大数を指定する。
callStackLPWSTR*inout展開されたコールスタックを表す文字列配列を受け取る出力ポインタ。呼び出し側が解放する。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT CallStackUnwind(
    void* vmSavedStateDumpHandle,
    DWORD vpId,
    MODULE_INFO* imageInfo,
    DWORD imageInfoCount,
    DWORD frameCount,
    LPWSTR* callStack
);
[DllImport("VmSavedStateDumpProvider.dll", ExactSpelling = true)]
static extern int CallStackUnwind(
    IntPtr vmSavedStateDumpHandle,   // void* in/out
    uint vpId,   // DWORD
    IntPtr imageInfo,   // MODULE_INFO*
    uint imageInfoCount,   // DWORD
    uint frameCount,   // DWORD
    IntPtr callStack   // LPWSTR* in/out
);
<DllImport("VmSavedStateDumpProvider.dll", ExactSpelling:=True)>
Public Shared Function CallStackUnwind(
    vmSavedStateDumpHandle As IntPtr,   ' void* in/out
    vpId As UInteger,   ' DWORD
    imageInfo As IntPtr,   ' MODULE_INFO*
    imageInfoCount As UInteger,   ' DWORD
    frameCount As UInteger,   ' DWORD
    callStack As IntPtr   ' LPWSTR* in/out
) As Integer
End Function
' vmSavedStateDumpHandle : void* in/out
' vpId : DWORD
' imageInfo : MODULE_INFO*
' imageInfoCount : DWORD
' frameCount : DWORD
' callStack : LPWSTR* in/out
Declare PtrSafe Function CallStackUnwind Lib "vmsavedstatedumpprovider" ( _
    ByVal vmSavedStateDumpHandle As LongPtr, _
    ByVal vpId As Long, _
    ByVal imageInfo As LongPtr, _
    ByVal imageInfoCount As Long, _
    ByVal frameCount As Long, _
    ByVal callStack 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

CallStackUnwind = ctypes.windll.vmsavedstatedumpprovider.CallStackUnwind
CallStackUnwind.restype = ctypes.c_int
CallStackUnwind.argtypes = [
    ctypes.POINTER(None),  # vmSavedStateDumpHandle : void* in/out
    wintypes.DWORD,  # vpId : DWORD
    ctypes.c_void_p,  # imageInfo : MODULE_INFO*
    wintypes.DWORD,  # imageInfoCount : DWORD
    wintypes.DWORD,  # frameCount : DWORD
    ctypes.c_void_p,  # callStack : LPWSTR* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VmSavedStateDumpProvider.dll')
CallStackUnwind = Fiddle::Function.new(
  lib['CallStackUnwind'],
  [
    Fiddle::TYPE_VOIDP,  # vmSavedStateDumpHandle : void* in/out
    -Fiddle::TYPE_INT,  # vpId : DWORD
    Fiddle::TYPE_VOIDP,  # imageInfo : MODULE_INFO*
    -Fiddle::TYPE_INT,  # imageInfoCount : DWORD
    -Fiddle::TYPE_INT,  # frameCount : DWORD
    Fiddle::TYPE_VOIDP,  # callStack : LPWSTR* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "vmsavedstatedumpprovider")]
extern "system" {
    fn CallStackUnwind(
        vmSavedStateDumpHandle: *mut (),  // void* in/out
        vpId: u32,  // DWORD
        imageInfo: *mut MODULE_INFO,  // MODULE_INFO*
        imageInfoCount: u32,  // DWORD
        frameCount: u32,  // DWORD
        callStack: *mut *mut u16  // LPWSTR* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("VmSavedStateDumpProvider.dll")]
public static extern int CallStackUnwind(IntPtr vmSavedStateDumpHandle, uint vpId, IntPtr imageInfo, uint imageInfoCount, uint frameCount, IntPtr callStack);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VmSavedStateDumpProvider_CallStackUnwind' -Namespace Win32 -PassThru
# $api::CallStackUnwind(vmSavedStateDumpHandle, vpId, imageInfo, imageInfoCount, frameCount, callStack)
#uselib "VmSavedStateDumpProvider.dll"
#func global CallStackUnwind "CallStackUnwind" sptr, sptr, sptr, sptr, sptr, sptr
; CallStackUnwind vmSavedStateDumpHandle, vpId, varptr(imageInfo), imageInfoCount, frameCount, varptr(callStack)   ; 戻り値は stat
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; vpId : DWORD -> "sptr"
; imageInfo : MODULE_INFO* -> "sptr"
; imageInfoCount : DWORD -> "sptr"
; frameCount : DWORD -> "sptr"
; callStack : LPWSTR* in/out -> "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。
出力引数:
#uselib "VmSavedStateDumpProvider.dll"
#cfunc global CallStackUnwind "CallStackUnwind" sptr, int, var, int, int, var
; res = CallStackUnwind(vmSavedStateDumpHandle, vpId, imageInfo, imageInfoCount, frameCount, callStack)
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; vpId : DWORD -> "int"
; imageInfo : MODULE_INFO* -> "var"
; imageInfoCount : DWORD -> "int"
; frameCount : DWORD -> "int"
; callStack : LPWSTR* 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。
出力引数:
; HRESULT CallStackUnwind(void* vmSavedStateDumpHandle, DWORD vpId, MODULE_INFO* imageInfo, DWORD imageInfoCount, DWORD frameCount, LPWSTR* callStack)
#uselib "VmSavedStateDumpProvider.dll"
#cfunc global CallStackUnwind "CallStackUnwind" intptr, int, var, int, int, var
; res = CallStackUnwind(vmSavedStateDumpHandle, vpId, imageInfo, imageInfoCount, frameCount, callStack)
; vmSavedStateDumpHandle : void* in/out -> "intptr"
; vpId : DWORD -> "int"
; imageInfo : MODULE_INFO* -> "var"
; imageInfoCount : DWORD -> "int"
; frameCount : DWORD -> "int"
; callStack : LPWSTR* 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 (
	vmsavedstatedumpprovider = windows.NewLazySystemDLL("VmSavedStateDumpProvider.dll")
	procCallStackUnwind = vmsavedstatedumpprovider.NewProc("CallStackUnwind")
)

// vmSavedStateDumpHandle (void* in/out), vpId (DWORD), imageInfo (MODULE_INFO*), imageInfoCount (DWORD), frameCount (DWORD), callStack (LPWSTR* in/out)
r1, _, err := procCallStackUnwind.Call(
	uintptr(vmSavedStateDumpHandle),
	uintptr(vpId),
	uintptr(imageInfo),
	uintptr(imageInfoCount),
	uintptr(frameCount),
	uintptr(callStack),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function CallStackUnwind(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  vpId: DWORD;   // DWORD
  imageInfo: Pointer;   // MODULE_INFO*
  imageInfoCount: DWORD;   // DWORD
  frameCount: DWORD;   // DWORD
  callStack: PPWideChar   // LPWSTR* in/out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'CallStackUnwind';
result := DllCall("VmSavedStateDumpProvider\CallStackUnwind"
    , "Ptr", vmSavedStateDumpHandle   ; void* in/out
    , "UInt", vpId   ; DWORD
    , "Ptr", imageInfo   ; MODULE_INFO*
    , "UInt", imageInfoCount   ; DWORD
    , "UInt", frameCount   ; DWORD
    , "Ptr", callStack   ; LPWSTR* in/out
    , "Int")   ; return: HRESULT
●CallStackUnwind(vmSavedStateDumpHandle, vpId, imageInfo, imageInfoCount, frameCount, callStack) = DLL("VmSavedStateDumpProvider.dll", "int CallStackUnwind(void*, dword, void*, dword, dword, void*)")
# 呼び出し: CallStackUnwind(vmSavedStateDumpHandle, vpId, imageInfo, imageInfoCount, frameCount, callStack)
# vmSavedStateDumpHandle : void* in/out -> "void*"
# vpId : DWORD -> "dword"
# imageInfo : MODULE_INFO* -> "void*"
# imageInfoCount : DWORD -> "dword"
# frameCount : DWORD -> "dword"
# callStack : LPWSTR* 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 "vmsavedstatedumpprovider" fn CallStackUnwind(
    vmSavedStateDumpHandle: ?*anyopaque, // void* in/out
    vpId: u32, // DWORD
    imageInfo: [*c]MODULE_INFO, // MODULE_INFO*
    imageInfoCount: u32, // DWORD
    frameCount: u32, // DWORD
    callStack: [*c][*c]u16 // LPWSTR* in/out
) callconv(std.os.windows.WINAPI) i32;
proc CallStackUnwind(
    vmSavedStateDumpHandle: pointer,  # void* in/out
    vpId: uint32,  # DWORD
    imageInfo: ptr MODULE_INFO,  # MODULE_INFO*
    imageInfoCount: uint32,  # DWORD
    frameCount: uint32,  # DWORD
    callStack: ptr WideCString  # LPWSTR* in/out
): int32 {.importc: "CallStackUnwind", stdcall, dynlib: "VmSavedStateDumpProvider.dll".}
pragma(lib, "vmsavedstatedumpprovider");
extern(Windows)
int CallStackUnwind(
    void* vmSavedStateDumpHandle,   // void* in/out
    uint vpId,   // DWORD
    MODULE_INFO* imageInfo,   // MODULE_INFO*
    uint imageInfoCount,   // DWORD
    uint frameCount,   // DWORD
    wchar** callStack   // LPWSTR* in/out
);
ccall((:CallStackUnwind, "VmSavedStateDumpProvider.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32, Ptr{MODULE_INFO}, UInt32, UInt32, Ptr{Ptr{UInt16}}),
      vmSavedStateDumpHandle, vpId, imageInfo, imageInfoCount, frameCount, callStack)
# vmSavedStateDumpHandle : void* in/out -> Ptr{Cvoid}
# vpId : DWORD -> UInt32
# imageInfo : MODULE_INFO* -> Ptr{MODULE_INFO}
# imageInfoCount : DWORD -> UInt32
# frameCount : DWORD -> UInt32
# callStack : LPWSTR* in/out -> Ptr{Ptr{UInt16}}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t CallStackUnwind(
    void* vmSavedStateDumpHandle,
    uint32_t vpId,
    void* imageInfo,
    uint32_t imageInfoCount,
    uint32_t frameCount,
    uint16_t** callStack);
]]
local vmsavedstatedumpprovider = ffi.load("vmsavedstatedumpprovider")
-- vmsavedstatedumpprovider.CallStackUnwind(vmSavedStateDumpHandle, vpId, imageInfo, imageInfoCount, frameCount, callStack)
-- vmSavedStateDumpHandle : void* in/out
-- vpId : DWORD
-- imageInfo : MODULE_INFO*
-- imageInfoCount : DWORD
-- frameCount : DWORD
-- callStack : LPWSTR* 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('VmSavedStateDumpProvider.dll');
const CallStackUnwind = lib.func('__stdcall', 'CallStackUnwind', 'int32_t', ['void *', 'uint32_t', 'void *', 'uint32_t', 'uint32_t', 'void *']);
// CallStackUnwind(vmSavedStateDumpHandle, vpId, imageInfo, imageInfoCount, frameCount, callStack)
// vmSavedStateDumpHandle : void* in/out -> 'void *'
// vpId : DWORD -> 'uint32_t'
// imageInfo : MODULE_INFO* -> 'void *'
// imageInfoCount : DWORD -> 'uint32_t'
// frameCount : DWORD -> 'uint32_t'
// callStack : LPWSTR* in/out -> 'void *'
// 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("VmSavedStateDumpProvider.dll", {
  CallStackUnwind: { parameters: ["pointer", "u32", "pointer", "u32", "u32", "pointer"], result: "i32" },
});
// lib.symbols.CallStackUnwind(vmSavedStateDumpHandle, vpId, imageInfo, imageInfoCount, frameCount, callStack)
// vmSavedStateDumpHandle : void* in/out -> "pointer"
// vpId : DWORD -> "u32"
// imageInfo : MODULE_INFO* -> "pointer"
// imageInfoCount : DWORD -> "u32"
// frameCount : DWORD -> "u32"
// callStack : LPWSTR* 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 CallStackUnwind(
    void* vmSavedStateDumpHandle,
    uint32_t vpId,
    void* imageInfo,
    uint32_t imageInfoCount,
    uint32_t frameCount,
    uint16_t** callStack);
C, "VmSavedStateDumpProvider.dll");
// $ffi->CallStackUnwind(vmSavedStateDumpHandle, vpId, imageInfo, imageInfoCount, frameCount, callStack);
// vmSavedStateDumpHandle : void* in/out
// vpId : DWORD
// imageInfo : MODULE_INFO*
// imageInfoCount : DWORD
// frameCount : DWORD
// callStack : LPWSTR* 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 Vmsavedstatedumpprovider extends StdCallLibrary {
    Vmsavedstatedumpprovider INSTANCE = Native.load("vmsavedstatedumpprovider", Vmsavedstatedumpprovider.class);
    int CallStackUnwind(
        Pointer vmSavedStateDumpHandle,   // void* in/out
        int vpId,   // DWORD
        Pointer imageInfo,   // MODULE_INFO*
        int imageInfoCount,   // DWORD
        int frameCount,   // DWORD
        PointerByReference callStack   // LPWSTR* in/out
    );
}
@[Link("vmsavedstatedumpprovider")]
lib LibVmSavedStateDumpProvider
  fun CallStackUnwind = CallStackUnwind(
    vmSavedStateDumpHandle : Void*,   # void* in/out
    vpId : UInt32,   # DWORD
    imageInfo : MODULE_INFO*,   # MODULE_INFO*
    imageInfoCount : UInt32,   # DWORD
    frameCount : UInt32,   # DWORD
    callStack : UInt16**   # LPWSTR* 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 CallStackUnwindNative = Int32 Function(Pointer<Void>, Uint32, Pointer<Void>, Uint32, Uint32, Pointer<Pointer<Utf16>>);
typedef CallStackUnwindDart = int Function(Pointer<Void>, int, Pointer<Void>, int, int, Pointer<Pointer<Utf16>>);
final CallStackUnwind = DynamicLibrary.open('VmSavedStateDumpProvider.dll')
    .lookupFunction<CallStackUnwindNative, CallStackUnwindDart>('CallStackUnwind');
// vmSavedStateDumpHandle : void* in/out -> Pointer<Void>
// vpId : DWORD -> Uint32
// imageInfo : MODULE_INFO* -> Pointer<Void>
// imageInfoCount : DWORD -> Uint32
// frameCount : DWORD -> Uint32
// callStack : LPWSTR* in/out -> Pointer<Pointer<Utf16>>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function CallStackUnwind(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  vpId: DWORD;   // DWORD
  imageInfo: Pointer;   // MODULE_INFO*
  imageInfoCount: DWORD;   // DWORD
  frameCount: DWORD;   // DWORD
  callStack: PPWideChar   // LPWSTR* in/out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'CallStackUnwind';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "CallStackUnwind"
  c_CallStackUnwind :: Ptr () -> Word32 -> Ptr () -> Word32 -> Word32 -> Ptr CWString -> IO Int32
-- vmSavedStateDumpHandle : void* in/out -> Ptr ()
-- vpId : DWORD -> Word32
-- imageInfo : MODULE_INFO* -> Ptr ()
-- imageInfoCount : DWORD -> Word32
-- frameCount : DWORD -> Word32
-- callStack : LPWSTR* in/out -> Ptr CWString
-- 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 callstackunwind =
  foreign "CallStackUnwind"
    ((ptr void) @-> uint32_t @-> (ptr void) @-> uint32_t @-> uint32_t @-> (ptr (ptr uint16_t)) @-> returning int32_t)
(* vmSavedStateDumpHandle : void* in/out -> (ptr void) *)
(* vpId : DWORD -> uint32_t *)
(* imageInfo : MODULE_INFO* -> (ptr void) *)
(* imageInfoCount : DWORD -> uint32_t *)
(* frameCount : DWORD -> uint32_t *)
(* callStack : LPWSTR* in/out -> (ptr (ptr uint16_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 vmsavedstatedumpprovider (t "VmSavedStateDumpProvider.dll"))
(cffi:use-foreign-library vmsavedstatedumpprovider)

(cffi:defcfun ("CallStackUnwind" call-stack-unwind :convention :stdcall) :int32
  (vm-saved-state-dump-handle :pointer)   ; void* in/out
  (vp-id :uint32)   ; DWORD
  (image-info :pointer)   ; MODULE_INFO*
  (image-info-count :uint32)   ; DWORD
  (frame-count :uint32)   ; DWORD
  (call-stack :pointer))   ; LPWSTR* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $CallStackUnwind = Win32::API::More->new('VmSavedStateDumpProvider',
    'int CallStackUnwind(LPVOID vmSavedStateDumpHandle, DWORD vpId, LPVOID imageInfo, DWORD imageInfoCount, DWORD frameCount, LPVOID callStack)');
# my $ret = $CallStackUnwind->Call($vmSavedStateDumpHandle, $vpId, $imageInfo, $imageInfoCount, $frameCount, $callStack);
# vmSavedStateDumpHandle : void* in/out -> LPVOID
# vpId : DWORD -> DWORD
# imageInfo : MODULE_INFO* -> LPVOID
# imageInfoCount : DWORD -> DWORD
# frameCount : DWORD -> DWORD
# callStack : LPWSTR* 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。

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