c++ - LoadLibrary 失败，错误代码为 193

标签 c++ windows winapi dll loadlibrary

我很困惑为什么我不能使用 LoadLibrary 加载我的 dll“interfac”。加载依赖项时似乎失败了，但我不确定为什么。

代码如下:

AfxMessageBox(L"before load library");
HMODULE interfacDll = LoadLibrary(TEXT("C:\\QA\\Pcdlrn\\Win32\\Release\\INTERFAC.DLL"));
if (!interfacDll)
  DWORD dw = GetLastError(); // returns 0xc1 (193)
AfxMessageBox(L"after load library");

这是 gflags (x86) 的加载程序快照的输出:

18a0:2a40 @ 06858973 - LdrGetDllHandleEx - ENTER: DLL name: ntdll.dll DLL path: NULL
18a0:2a40 @ 06858973 - LdrGetDllHandleEx - INFO: Locating DLL ntdll.dll in path C:\QA\Pcdlrn\CNCSERVER\Win32\Release;C:\Windows\system32;C:\Windows\system;C:\Windows;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\NativeBinaries\x86;C:\windows\system32;C:\windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows
18a0:2a40 @ 06858989 - LdrpFindLoadedDll - ENTER: DLL name: ntdll.dll DLL path: C:\QA\Pcdlrn\CNCSERVER\Win32\Release;C:\Windows\system32;C:\Windows\system;C:\Windows;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\NativeBinaries\x86;C:\windows\system32;C:\windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows
18a0:2a40 @ 06858989 - LdrpFindLoadedDll - RETURN: Status: 0x00000000
18a0:2a40 @ 06858989 - LdrGetDllHandleEx - RETURN: Status: 0x00000000
18a0:2a40 @ 06858989 - LdrGetProcedureAddressEx - INFO: Locating procedure "KiUserExceptionDispatcher" by name
18a0:2a40 @ 06858989 - LdrLoadDll - ENTER: DLL name: C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL DLL path: C:\QA\Pcdlrn\CNCSERVER\Win32\Release;C:\Windows\system32;C:\Windows\system;C:\Windows;.;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\NativeBinaries\x86;C:\windows\system32;C:\windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\syste
18a0:2a40 @ 06858989 - LdrpLoadDll - ENTER: DLL name: C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL DLL path: C:\QA\Pcdlrn\CNCSERVER\Win32\Release;C:\Windows\system32;C:\Windows\system;C:\Windows;.;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\NativeBinaries\x86;C:\windows\system32;C:\windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\syst
18a0:2a40 @ 06858989 - LdrpLoadDll - INFO: Loading DLL C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL from path C:\QA\Pcdlrn\CNCSERVER\Win32\Release;C:\Windows\system32;C:\Windows\system;C:\Windows;.;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\NativeBinaries\x86;C:\windows\system32;C:\windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\sys
18a0:2a40 @ 06858989 - LdrpFindOrMapDll - ENTER: DLL name: C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL DLL path: C:\QA\Pcdlrn\CNCSERVER\Win32\Release;C:\Windows\system32;C:\Windows\system;C:\Windows;.;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\NativeBinaries\x86;C:\windows\system32;C:\windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows
18a0:2a40 @ 06858989 - LdrpSearchPath - ENTER: DLL name: C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL DLL path: C:\QA\Pcdlrn\CNCSERVER\Win32\Release;C:\Windows\system32;C:\Windows\system;C:\Windows;.;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\NativeBinaries\x86;C:\windows\system32;C:\windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\s
18a0:2a40 @ 06858989 - LdrpResolveFileName - ENTER: DLL name: C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL
18a0:2a40 @ 06858989 - LdrpResolveFileName - RETURN: Status: 0x00000000
18a0:2a40 @ 06858989 - LdrpResolveDllName - ENTER: DLL name: C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL
18a0:2a40 @ 06858989 - LdrpResolveDllName - RETURN: Status: 0x00000000
18a0:2a40 @ 06858989 - LdrpSearchPath - RETURN: Status: 0x00000000
18a0:2a40 @ 06859036 - LdrpMapViewOfSection - ENTER: DLL name: C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL
'CNCServer.exe': Loaded 'C:\QA\Pcdlrn\Win32\Release\INTERFAC.dll', Symbols loaded.
18a0:2a40 @ 06859098 - LdrpMapViewOfSection - RETURN: Status: 0x40000003
18a0:2a40 @ 06859098 - LdrpRelocateImage - ENTER: DLL name: C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL
18a0:2a40 @ 06859098 - LdrpProtectAndRelocateImage - RETURN: Status: 0x00000000
18a0:2a40 @ 06859098 - LdrpRelocateImage - RETURN: Status: 0x00000000
18a0:2a40 @ 06859098 - LdrpFindOrMapDll - RETURN: Status: 0x00000000
18a0:2a40 @ 06859098 - LdrpHandleOneOldFormatImportDescriptor - INFO: DLL "C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL" imports "PCDLRN.exe"
18a0:2a40 @ 06859098 - LdrpLoadImportModule - ENTER: DLL name: PCDLRN.exe DLL path: C:\QA\Pcdlrn\CNCSERVER\Win32\Release;C:\Windows\system32;C:\Windows\system;C:\Windows;.;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\NativeBinaries\x86;C:\windows\system32;C:\windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\W
18a0:2a40 @ 06859098 - LdrpFindOrMapDll - ENTER: DLL name: PCDLRN.exe DLL path: C:\QA\Pcdlrn\CNCSERVER\Win32\Release;C:\Windows\system32;C:\Windows\system;C:\Windows;.;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\NativeBinaries\x86;C:\windows\system32;C:\windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windo
18a0:2a40 @ 06859098 - LdrpFindKnownDll - ENTER: DLL name: PCDLRN.exe
18a0:2a40 @ 06859098 - LdrpFindKnownDll - RETURN: Status: 0xc0000135
18a0:2a40 @ 06859098 - LdrpSearchPath - ENTER: DLL name: PCDLRN.exe DLL path: C:\QA\Pcdlrn\CNCSERVER\Win32\Release;C:\Windows\system32;C:\Windows\system;C:\Windows;.;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\NativeBinaries\x86;C:\windows\system32;C:\windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows
18a0:2a40 @ 06859098 - LdrpResolveFileName - ENTER: DLL name: C:\QA\Pcdlrn\CNCSERVER\Win32\Release\PCDLRN.exe
18a0:2a40 @ 06859098 - LdrpResolveFileName - RETURN: Status: 0xc0000135
18a0:2a40 @ 06859098 - LdrpResolveFileName - ENTER: DLL name: C:\Windows\system32\PCDLRN.exe
18a0:2a40 @ 06859098 - LdrpResolveFileName - RETURN: Status: 0xc0000135
18a0:2a40 @ 06859098 - LdrpResolveFileName - ENTER: DLL name: C:\Windows\system\PCDLRN.exe
18a0:2a40 @ 06859098 - LdrpResolveFileName - RETURN: Status: 0xc0000135
18a0:2a40 @ 06859098 - LdrpResolveFileName - ENTER: DLL name: C:\Windows\PCDLRN.exe
18a0:2a40 @ 06859098 - LdrpResolveFileName - RETURN: Status: 0xc0000135
18a0:2a40 @ 06859098 - LdrpResolveFileName - ENTER: DLL name: .\PCDLRN.exe
18a0:2a40 @ 06859098 - LdrpResolveFileName - RETURN: Status: 0x00000000
18a0:2a40 @ 06859098 - LdrpResolveDllName - ENTER: DLL name: .\PCDLRN.exe
18a0:2a40 @ 06859098 - LdrpResolveDllName - RETURN: Status: 0x00000000
18a0:2a40 @ 06859098 - LdrpSearchPath - RETURN: Status: 0x00000000
18a0:2a40 @ 06859098 - LdrpMapViewOfSection - ENTER: DLL name: C:\QA\Pcdlrn\Win32\Release\PCDLRN.exe
'CNCServer.exe': Loaded 'C:\QA\Pcdlrn\Win32\Release\PCDLRN.exe', Symbols loaded.
18a0:2a40 @ 06859597 - LdrpMapViewOfSection - RETURN: Status: 0x40000003
'CNCServer.exe': Unloaded 'C:\QA\Pcdlrn\Win32\Release\PCDLRN.exe'
18a0:2a40 @ 06859597 - LdrpFindOrMapDll - RETURN: Status: 0xc000007b
18a0:2a40 @ 06859597 - LdrpLoadImportModule - ERROR: Loading DLL PCDLRN.exe from path C:\QA\Pcdlrn\CNCSERVER\Win32\Release;C:\Windows\system32;C:\Windows\system;C:\Windows;.;C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\NativeBinaries\x86;C:\windows\system32;C:\windows;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:
18a0:2a40 @ 06859597 - LdrpLoadImportModule - RETURN: Status: 0xc000007b
18a0:2a40 @ 06859597 - LdrpHandleOneOldFormatImportDescriptor - ERROR: Loading "?????" from the import table of DLL "C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL" failed with status 0xc000007b
18a0:2a40 @ 06859613 - LdrpUnloadDll - INFO: Unmapping DLL "C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL"
'CNCServer.exe': Unloaded 'C:\QA\Pcdlrn\Win32\Release\INTERFAC.dll'
18a0:2a40 @ 06859613 - LdrpLoadDll - RETURN: Status: 0xc000007b
18a0:2a40 @ 06859613 - LdrLoadDll - RETURN: Status: 0xc000007b

我应该提一下，我使用的是 64 位 Windows，但我所有的可执行代码都是针对 x86 (c#) 或 win32 (c++) 的。

我该如何解决这个问题？

如有任何建议，我们将不胜感激。 非常感谢。

附注这是 dependency walker 输出: INTERFAC.dll

p.p.s.这是显示我的 DLL 是 x86 的屏幕截图:

x86

p.p.p.s.这是 interfac.dll 的链接器输入:

linker inputs

编辑。这是 dumpbin 的输出:

Microsoft (R) COFF/PE Dumper Version 14.00.24210.0
Copyright (C) Microsoft Corporation.  All rights reserved.

Dump of file pcdlrn.exe

File Type: EXECUTABLE IMAGE

Section contains the following exports for PCDLRN.exe

00000000 characteristics
5796AD2A time date stamp Mon Jul 25 20:22:02 2016
    0.00 version
       1 ordinal base
    5784 number of functions
    5784 number of names

ordinal hint RVA      name

     1    0 0029CDF0 ??0?$CArray@V?$CStringT@_WV?$StrTraitMFC_DLL@_WV?$ChTraitsCRT@_W@ATL@@@@@ATL@@V12@@@QAE@XZ = ??0?$CArray@V?$CStringT@_WV?$StrTraitMFC_DLL@_WV?$ChTraitsCRT@_W@ATL@@@@@ATL@@V12@@@QAE@XZ (public: __thiscall CArray<class ATL::CStringT<wchar_t,class StrTraitMFC_DLL<wchar_t,class ATL::ChTraitsCRT<wchar_t> > >,class ATL::CStringT<wchar_t,class StrTraitMFC_DLL<wchar_t,class ATL::ChTraitsCRT<wchar_t> > > >::CArray<class ATL::CStringT<wchar_t,class StrTraitMFC_DLL<wchar_t,class ATL::ChTraitsCRT<wchar_t> > >,class ATL::CStringT<wchar_t,class StrTraitMFC_DLL<wchar_t,class ATL::ChTraitsCRT<wchar_t> > > >(void))
...
5783 1696 02593550 ?zoomOutFine@VisionTargetControls@UIEvents@@YAXXZ = ?zoomOutFine@VisionTargetControls@UIEvents@@YAXXZ (void __cdecl UIEvents::VisionTargetControls::zoomOutFine(void))
5784 1697 02593640 ?zoomOutMaximum@VisionTargetControls@UIEvents@@YAXXZ = ?zoomOutMaximum@VisionTargetControls@UIEvents@@YAXXZ (void __cdecl UIEvents::VisionTargetControls::zoomOutMaximum(void))

Summary

  2C0000 .data
    1000 .fnp_dir
    1000 .fnp_mar
  AFA000 .rdata
   1B000 .rsrc
 2E7A000 .text
   E5000 .textidx
    1000 .tls

最佳答案

对于 ERROR_BAD_EXE_FORMAT 中的 LoadLibrary 错误，一个可能的解释是 INTERFAC.DLL 与声明 PCDLRN.LIB 导出的 PCDLRN 导入库链接，但在运行时发现的 PCDLRN.EXE 没有 exports table。

  • gflags (x86)'s loader snaps 显示错误是在加载 PCDLRN.EXE 时触发的，具体是在解析 INTERFAC.DLL 的导入表时:

    18a0:2a40 @ 06859098 - LdrpHandleOneOldFormatImportDescriptor - INFO: DLL "C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL" imports "PCDLRN.exe"
[...]
18a0:2a40 @ 06859597 - LdrpHandleOneOldFormatImportDescriptor - ERROR: Loading "?????" from the import table of DLL "C:\QA\Pcdlrn\Win32\Release\INTERFAC.DLL" failed with status 0xc000007b

  • 状态 0xc000007b 是 STATUS_INVALID_IMAGE_FORMAT :

    {Bad Image} %hs is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support.

  • NTSTATUS STATUS_INVALID_IMAGE_FORMAT 根据 INFO: Mapping NT Status Error Codes to Win32 Error Codes 映射到 Win32 错误代码 ERROR_BAD_EXE_FORMAT。

我能够使用给定场景的模型复制相同的 ERROR_BAD_EXE_FORMAT:将 INTERFAC.DLL 链接到声明导出 PCDLRN.LIB 的 foo，然后替换为没有导出表的 PCDLRN.EXE，最后尝试 LoadLibrary INTERFAC.DLL。

作为旁注，将一个 DLL 链接到另一个 EXE 的导入库并不常见，而且充满陷阱。在这种情况下，即使修复了错误 193，也不能直接从 EXE 中使用 DLL 中的函数。有关更多详细信息，请参见示例 Load EXE as DLL: Mission Possible。

关于c++ - LoadLibrary 失败，错误代码为 193，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/38579909/

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