D3DDisassemble

// D3DCOMPILER_47.dll
#include <windows.h>

HRESULT D3DDisassemble(
    const void* pSrcData,
    UINT_PTR SrcDataSize,
    DWORD Flags,
    LPCSTR szComments,   // optional
    ID3DBlob** ppDisassembly
);

<DllImport("D3DCOMPILER_47.dll", ExactSpelling:=True)>
Public Shared Function D3DDisassemble(
    pSrcData As IntPtr,   ' void*
    SrcDataSize As UIntPtr,   ' UINT_PTR
    Flags As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> szComments As String,   ' LPCSTR optional
    ppDisassembly As IntPtr   ' ID3DBlob** out
) As Integer
End Function

' pSrcData : void*
' SrcDataSize : UINT_PTR
' Flags : DWORD
' szComments : LPCSTR optional
' ppDisassembly : ID3DBlob** out
Declare PtrSafe Function D3DDisassemble Lib "d3dcompiler_47" ( _
    ByVal pSrcData As LongPtr, _
    ByVal SrcDataSize As LongPtr, _
    ByVal Flags As Long, _
    ByVal szComments As String, _
    ByVal ppDisassembly 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

D3DDisassemble = ctypes.windll.d3dcompiler_47.D3DDisassemble
D3DDisassemble.restype = ctypes.c_int
D3DDisassemble.argtypes = [
    ctypes.POINTER(None),  # pSrcData : void*
    ctypes.c_size_t,  # SrcDataSize : UINT_PTR
    wintypes.DWORD,  # Flags : DWORD
    wintypes.LPCSTR,  # szComments : LPCSTR optional
    ctypes.c_void_p,  # ppDisassembly : ID3DBlob** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('D3DCOMPILER_47.dll')
D3DDisassemble = Fiddle::Function.new(
  lib['D3DDisassemble'],
  [
    Fiddle::TYPE_VOIDP,  # pSrcData : void*
    Fiddle::TYPE_UINTPTR_T,  # SrcDataSize : UINT_PTR
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # szComments : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # ppDisassembly : ID3DBlob** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "d3dcompiler_47")]
extern "system" {
    fn D3DDisassemble(
        pSrcData: *const (),  // void*
        SrcDataSize: usize,  // UINT_PTR
        Flags: u32,  // DWORD
        szComments: *const u8,  // LPCSTR optional
        ppDisassembly: *mut *mut core::ffi::c_void  // ID3DBlob** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("D3DCOMPILER_47.dll")]
public static extern int D3DDisassemble(IntPtr pSrcData, UIntPtr SrcDataSize, uint Flags, [MarshalAs(UnmanagedType.LPStr)] string szComments, IntPtr ppDisassembly);
"@
$api = Add-Type -MemberDefinition $sig -Name 'D3DCOMPILER_47_D3DDisassemble' -Namespace Win32 -PassThru
# $api::D3DDisassemble(pSrcData, SrcDataSize, Flags, szComments, ppDisassembly)

#uselib "D3DCOMPILER_47.dll"
#func global D3DDisassemble "D3DDisassemble" sptr, sptr, sptr, sptr, sptr
; D3DDisassemble pSrcData, SrcDataSize, Flags, szComments, ppDisassembly   ; 戻り値は stat
; pSrcData : void* -> "sptr"
; SrcDataSize : UINT_PTR -> "sptr"
; Flags : DWORD -> "sptr"
; szComments : LPCSTR optional -> "sptr"
; ppDisassembly : ID3DBlob** 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。

#uselib "D3DCOMPILER_47.dll"
#cfunc global D3DDisassemble "D3DDisassemble" sptr, sptr, int, str, sptr
; res = D3DDisassemble(pSrcData, SrcDataSize, Flags, szComments, ppDisassembly)
; pSrcData : void* -> "sptr"
; SrcDataSize : UINT_PTR -> "sptr"
; Flags : DWORD -> "int"
; szComments : LPCSTR optional -> "str"
; ppDisassembly : ID3DBlob** out -> "sptr"

; HRESULT D3DDisassemble(void* pSrcData, UINT_PTR SrcDataSize, DWORD Flags, LPCSTR szComments, ID3DBlob** ppDisassembly)
#uselib "D3DCOMPILER_47.dll"
#cfunc global D3DDisassemble "D3DDisassemble" intptr, intptr, int, str, intptr
; res = D3DDisassemble(pSrcData, SrcDataSize, Flags, szComments, ppDisassembly)
; pSrcData : void* -> "intptr"
; SrcDataSize : UINT_PTR -> "intptr"
; Flags : DWORD -> "int"
; szComments : LPCSTR optional -> "str"
; ppDisassembly : ID3DBlob** out -> "intptr"

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

var (
	d3dcompiler_47 = windows.NewLazySystemDLL("D3DCOMPILER_47.dll")
	procD3DDisassemble = d3dcompiler_47.NewProc("D3DDisassemble")
)

// pSrcData (void*), SrcDataSize (UINT_PTR), Flags (DWORD), szComments (LPCSTR optional), ppDisassembly (ID3DBlob** out)
r1, _, err := procD3DDisassemble.Call(
	uintptr(pSrcData),
	uintptr(SrcDataSize),
	uintptr(Flags),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szComments))),
	uintptr(ppDisassembly),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function D3DDisassemble(
  pSrcData: Pointer;   // void*
  SrcDataSize: NativeUInt;   // UINT_PTR
  Flags: DWORD;   // DWORD
  szComments: PAnsiChar;   // LPCSTR optional
  ppDisassembly: Pointer   // ID3DBlob** out
): Integer; stdcall;
  external 'D3DCOMPILER_47.dll' name 'D3DDisassemble';

result := DllCall("D3DCOMPILER_47\D3DDisassemble"
    , "Ptr", pSrcData   ; void*
    , "UPtr", SrcDataSize   ; UINT_PTR
    , "UInt", Flags   ; DWORD
    , "AStr", szComments   ; LPCSTR optional
    , "Ptr", ppDisassembly   ; ID3DBlob** out
    , "Int")   ; return: HRESULT

●D3DDisassemble(pSrcData, SrcDataSize, Flags, szComments, ppDisassembly) = DLL("D3DCOMPILER_47.dll", "int D3DDisassemble(void*, int, dword, char*, void*)")
# 呼び出し: D3DDisassemble(pSrcData, SrcDataSize, Flags, szComments, ppDisassembly)
# pSrcData : void* -> "void*"
# SrcDataSize : UINT_PTR -> "int"
# Flags : DWORD -> "dword"
# szComments : LPCSTR optional -> "char*"
# ppDisassembly : ID3DBlob** 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)。