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从 32 位 DLL 访问 64 位 DLL

[英]Access 64 bit DLL from 32 bit DLL

 原文  2021-12-17 14:45:00  7   1    c++/ winapi/ dll/ c++builder/ c++builder-5

问题描述

我正在将CEF4Delfi库移植到 Borland C++Builder 5。我从移植的 CEF4Delfi 源代码制作了一个 BPL 包，并从我的 C++Builder 5 代码中引用它。

我在 Windows 10 64 位上工作。

在移植时，我一直在导入 DLL 函数。

这是进口的一部分：

const
  Kernel32DLL = 'kernel32.dll';
  SHLWAPIDLL  = 'shlwapi.dll';
  NTDLL       = 'ntdll.dll';
  User32DLL   = 'User32.dll';

function ProcessUnderWow64(hProcess: THandle; Wow64Process: PBOOL): BOOL; stdcall; external Kernel32DLL name 'IsWow64Process';
function PathIsRelativeAnsi(pszPath: LPCSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsRelativeA';
function PathIsRelativeUnicode(pszPath: LPCWSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsRelativeW';
function GetGlobalMemoryStatusEx(lpBuffer: LPMEMORYSTATUSEX): BOOL; stdcall; external Kernel32DLL name 'GlobalMemoryStatusEx';
function PathCanonicalizeAnsi(pszBuf: LPSTR; pszPath: LPCSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathCanonicalizeA';
function PathCanonicalizeUnicode(pszBuf: LPWSTR; pszPath: LPCWSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathCanonicalizeW';
function PathIsUNCAnsi(pszPath: LPCSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsUNCA';
function PathIsUNCUnicode(pszPath: LPCWSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsUNCW';
function PathIsURLAnsi(pszPath: LPCSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsURLA';
function PathIsURLUnicode(pszPath: LPCWSTR): BOOL; stdcall; external SHLWAPIDLL name 'PathIsURLW';
function ShutdownBlockReasonCreate(hWnd: HWND; Reason: LPCWSTR): Bool; stdcall; external User32DLL;
function ShutdownBlockReasonDestroy(hWnd: HWND): Bool; stdcall; external User32DLL;

由于链接，我收到错误，例如：

Error: Unresolved external 'PathIsRelativeA' referenced from C:\REPOS\CEF4DELPHI\SOURCE\UCEFMISCFUNCTIONS.OBJ
Error: Unresolved external 'AlphaBlend' referenced from C:\REPOS\CEF4DELPHI\SOURCE\UCEFBUFFERPANEL.OBJ
Error: Unresolved external 'IsWow64Process' referenced from C:\REPOS\CEF4DELPHI\SOURCE\UCEFMISCFUNCTIONS.OBJ

这是来自 C++Builder 的临时MAKE0000.@@@链接文件：

 -D"" -aa -Tpp -x -Gn -Gl -Gi -v -L..\source;..\packages;..\packages\res;..\addons;..\winlib;c:\windows\system32;L:\Lib;T:\bin\..\lib\obj;T:\bin\..\lib; +
 c0pkg32.obj vcl50.bpi Memmgr.Lib sysinit.obj ..\addons\MaxiSysUtils.obj   ..\source\uCEFAccessibilityHandler.obj   ..\source\uCEFApp.obj   ..\source\uCEFApplication.obj   ..\source\uCEFApplicationCore.obj   ..\source\uCEFAudioHandler.obj   ..\source\uCEFAuthCallback.obj   ..\source\uCEFBaseRefCounted.obj   ..\source\uCEFBaseScopedWrapper.obj   ..\source\uCEFBeforeDownloadCallback.obj   ..\source\uCEFBinaryValue.obj   ..\source\uCEFBitmapBitBuffer.obj   ..\source\uCEFBoxLayout.obj   ..\source\uCEFBrowser.obj   ..\source\uCEFBrowserProcessHandler.obj   ..\source\uCEFBrowserView.obj   ..\source\uCEFBrowserViewComponent.obj   ..\source\uCEFBrowserViewDelegate.obj   ..\source\uCEFBufferPanel.obj   ..\source\uCEFButton.obj   ..\source\uCEFButtonComponent.obj   ..\source\uCEFButtonDelegate.obj   ..\source\uCEFCallback.obj   ..\source\uCEFChromium.obj   ..\source\uCEFChromiumCore.obj   ..\source\uCEFChromiumEvents.obj   ..\source\uCEFChromiumFontOptions.obj   ..\source\uCEFChromiumOptions.obj   ..\source\uCEFChromiumWindow.obj   ..\source\uCEFClient.obj   ..\source\uCEFCommandLine.obj   ..\source\uCEFCompletionCallback.obj   ..\source\uCEFConstants.obj   ..\source\uCEFContextMenuHandler.obj   ..\source\uCEFContextMenuParams.obj   ..\source\uCEFCookieAccessFilter.obj   ..\source\uCEFCookieManager.obj   ..\source\uCEFCookieVisitor.obj   ..\source\uCEFCustomStreamReader.obj   ..\source\uCEFDeleteCookiesCallback.obj   ..\source\uCEFDevToolsMessageObserver.obj   ..\source\uCEFDialogHandler.obj   ..\source\uCEFDictionaryValue.obj   ..\source\uCEFDisplay.obj   ..\source\uCEFDisplayHandler.obj   ..\source\uCEFDomDocument.obj   ..\source\uCEFDomNode.obj   ..\source\uCEFDomVisitor.obj   ..\source\uCEFDownLoadItem.obj   ..\source\uCEFDownloadHandler.obj   ..\source\uCEFDownloadImageCallBack.obj   ..\source\uCEFDownloadItemCallback.obj   ..\source\uCEFDragAndDropMgr.obj   ..\source\uCEFDragData.obj   ..\source\uCEFDragHandler.obj   ..\source\uCEFEndTracingCallback.obj   ..\source\uCEFExtension.obj   ..\source\uCEFExtensionHandler.obj   ..\source\uCEFFileDialogCallback.obj   ..\source\uCEFFillLayout.obj   ..\source\uCEFFindHandler.obj   ..\source\uCEFFocusHandler.obj   ..\source\uCEFFrame.obj   ..\source\uCEFFrameHandler.obj   ..\source\uCEFGetExtensionResourceCallback.obj   ..\source\uCEFImage.obj   ..\source\uCEFInterfaces.obj   ..\source\uCEFJsDialogCallback.obj   ..\source\uCEFJsDialogHandler.obj   ..\source\uCEFJson.obj   ..\source\uCEFKeyboardHandler.obj   ..\source\uCEFLabelButton.obj   ..\source\uCEFLabelButtonComponent.obj   ..\source\uCEFLayout.obj   ..\source\uCEFLibFunctions.obj   ..\source\uCEFLifeSpanHandler.obj   ..\source\uCEFLinkedWinControlBase.obj   ..\source\uCEFLinkedWindowParent.obj   ..\source\uCEFListValue.obj   ..\source\uCEFLoadHandler.obj   ..\source\uCEFMediaObserver.obj   ..\source\uCEFMediaRoute.obj   ..\source\uCEFMediaRouteCreateCallback.obj   ..\source\uCEFMediaRouter.obj   ..\source\uCEFMediaSink.obj   ..\source\uCEFMediaSinkDeviceInfoCallback.obj   ..\source\uCEFMediaSource.obj   ..\source\uCEFMenuButton.obj   ..\source\uCEFMenuButtonComponent.obj   ..\source\uCEFMenuButtonDelegate.obj   ..\source\uCEFMenuButtonPressedLock.obj   ..\source\uCEFMenuModel.obj   ..\source\uCEFMenuModelDelegate.obj   ..\source\uCEFMiscFunctions.obj   ..\source\uCEFNavigationEntry.obj   ..\source\uCEFNavigationEntryVisitor.obj   ..\source\uCEFOAuth2Helper.obj   ..\source\uCEFOLEDragAndDrop.obj   ..\source\uCEFOSRIMEHandler.obj   ..\source\uCEFOverlayController.obj   ..\source\uCEFPDFPrintCallback.obj   ..\source\uCEFPDFPrintOptions.obj   ..\source\uCEFPanel.obj   ..\source\uCEFPanelComponent.obj   ..\source\uCEFPanelDelegate.obj   ..\source\uCEFPostData.obj   ..\source\uCEFPostDataElement.obj   ..\source\uCEFPrintDialogCallback.obj   ..\source\uCEFPrintHandler.obj   ..\source\uCEFPrintJobCallback.obj   ..\source\uCEFPrintSettings.obj   ..\source\uCEFProcessMessage.obj   ..\source\uCEFRegistration.obj   ..\source\uCEFRenderHandler.obj   ..\source\uCEFRenderProcessHandler.obj   ..\source\uCEFRequest.obj   ..\source\uCEFRequestContext.obj   ..\source\uCEFRequestContextHandler.obj   ..\source\uCEFRequestHandler.obj   ..\source\uCEFResolveCallback.obj   ..\source\uCEFResourceBundle.obj   ..\source\uCEFResourceBundleHandler.obj   ..\source\uCEFResourceHandler.obj   ..\source\uCEFResourceReadCallback.obj   ..\source\uCEFResourceRequestHandler.obj   ..\source\uCEFResourceSkipCallback.obj   ..\source\uCEFResponse.obj   ..\source\uCEFResponseFilter.obj   ..\source\uCEFRunContextMenuCallback.obj   ..\source\uCEFRunFileDialogCallback.obj   ..\source\uCEFSSLStatus.obj   ..\source\uCEFSchemeHandlerFactory.obj   ..\source\uCEFSchemeRegistrar.obj   ..\source\uCEFScrollView.obj   ..\source\uCEFScrollViewComponent.obj   ..\source\uCEFSelectClientCertificateCallback.obj   ..\source\uCEFSentinel.obj   ..\source\uCEFServer.obj   ..\source\uCEFServerComponent.obj   ..\source\uCEFServerEvents.obj   ..\source\uCEFServerHandler.obj   ..\source\uCEFSetCookieCallback.obj   ..\source\uCEFSslInfo.obj   ..\source\uCEFStreamReader.obj   ..\source\uCEFStreamWriter.obj   ..\source\uCEFStringList.obj   ..\source\uCEFStringMap.obj   ..\source\uCEFStringMultimap.obj   ..\source\uCEFStringVisitor.obj   ..\source\uCEFTask.obj   ..\source\uCEFTaskRunner.obj   ..\source\uCEFTextfield.obj   ..\source\uCEFTextfieldComponent.obj   ..\source\uCEFTextfieldDelegate.obj   ..\source\uCEFThread.obj   ..\source\uCEFTimerWorkScheduler.obj   ..\source\uCEFTypes.obj   ..\source\uCEFUrlRequest.obj   ..\source\uCEFUrlRequestClientComponent.obj   ..\source\uCEFUrlRequestClientEvents.obj   ..\source\uCEFUrlrequestClient.obj   ..\source\uCEFValue.obj   ..\source\uCEFView.obj   ..\source\uCEFViewComponent.obj   ..\source\uCEFViewDelegate.obj   ..\source\uCEFViewsFrameworkEvents.obj   ..\source\uCEFWaitableEvent.obj   ..\source\uCEFWebPluginInfo.obj   ..\source\uCEFWebPluginInfoVisitor.obj   ..\source\uCEFWebPluginUnstableCallback.obj   ..\source\uCEFWinControl.obj   ..\source\uCEFWindow.obj   ..\source\uCEFWindowComponent.obj   ..\source\uCEFWindowDelegate.obj   ..\source\uCEFWindowParent.obj   ..\source\uCEFWorkScheduler.obj   ..\source\uCEFWorkSchedulerQueueThread.obj   ..\source\uCEFWorkSchedulerThread.obj   ..\source\uCEFWriteHandler.obj   ..\source\uCEFX509CertPrincipal.obj   ..\source\uCEFX509Certificate.obj   ..\source\uCEFXmlReader.obj   ..\source\uCEFZipReader.obj   ..\source\uCEFv8Accessor.obj   ..\source\uCEFv8ArrayBufferReleaseCallback.obj   ..\source\uCEFv8Context.obj   ..\source\uCEFv8Exception.obj   ..\source\uCEFv8Handler.obj   ..\source\uCEFv8Interceptor.obj   ..\source\uCEFv8StackFrame.obj   ..\source\uCEFv8StackTrace.obj   ..\source\uCEFv8Value.obj   ..\packages\CEF4Delphi_Register.obj   maxicef.obj, +
 maxicef.bpl,, +
  Rxctl5.lib import32.lib cp32mti.lib, +
 , +
 maxicef.res ..\packages\res\chromium.dcr

如您所见， c:\\windows\\system32; 包含在路径中。

所以，我假设从32位应用程序导入64位DLL有问题，整个互联网都说这是真的。

我开始使用Wine代码在单独的 C++ 模块中重新实现这些功能，但这确实是非常多的代码。 突然间我看到我们用 C++Builder 5 构建的另一个 32 位 DLL 实际上确实引用了 64 位 DLL！

图片

那么，从使用 C++Builder 5 构建的库中从System32 64 位 DLL 调用函数的技巧是什么？

更新：

以下是这些函数实际上是从父 DLL 导入的证据：

图片

更新：

多一个证据：

图片

更新

好的，这是生成文件：

# ---------------------------------------------------------------------------
!if !$d(BCB)
BCB = $(MAKEDIR)\..
!endif

# ---------------------------------------------------------------------------
# IDE SECTION
# ---------------------------------------------------------------------------
# The following section of the project makefile is managed by the BCB IDE.
# It is recommended to use the IDE to change any of the values in this
# section.
# ---------------------------------------------------------------------------

VERSION = BCB.05.03
# ---------------------------------------------------------------------------
PROJECT = maxicef.bpl
OBJFILES = \
#  ..\winlib\winlib.obj \
  ..\addons\MaxiSysUtils.obj \
  ..\source\uCEFAccessibilityHandler.obj \
  ..\source\uCEFApp.obj \
  ..\source\uCEFApplication.obj \
  ..\source\uCEFApplicationCore.obj \
  ..\source\uCEFAudioHandler.obj \
  ..\source\uCEFAuthCallback.obj \
  ..\source\uCEFBaseRefCounted.obj \
  ..\source\uCEFBaseScopedWrapper.obj \
  ..\source\uCEFBeforeDownloadCallback.obj \
  ..\source\uCEFBinaryValue.obj \
  ..\source\uCEFBitmapBitBuffer.obj \
  ..\source\uCEFBoxLayout.obj \
  ..\source\uCEFBrowser.obj \
  ..\source\uCEFBrowserProcessHandler.obj \
  ..\source\uCEFBrowserView.obj \
  ..\source\uCEFBrowserViewComponent.obj \
  ..\source\uCEFBrowserViewDelegate.obj \
  ..\source\uCEFBufferPanel.obj \
  ..\source\uCEFButton.obj \
  ..\source\uCEFButtonComponent.obj \
  ..\source\uCEFButtonDelegate.obj \
  ..\source\uCEFCallback.obj \
  ..\source\uCEFChromium.obj \
  ..\source\uCEFChromiumCore.obj \
  ..\source\uCEFChromiumEvents.obj \
  ..\source\uCEFChromiumFontOptions.obj \
  ..\source\uCEFChromiumOptions.obj \
  ..\source\uCEFChromiumWindow.obj \
  ..\source\uCEFClient.obj \
  ..\source\uCEFCommandLine.obj \
  ..\source\uCEFCompletionCallback.obj \
  ..\source\uCEFConstants.obj \
  ..\source\uCEFContextMenuHandler.obj \
  ..\source\uCEFContextMenuParams.obj \
  ..\source\uCEFCookieAccessFilter.obj \
  ..\source\uCEFCookieManager.obj \
  ..\source\uCEFCookieVisitor.obj \
  ..\source\uCEFCustomStreamReader.obj \
  ..\source\uCEFDeleteCookiesCallback.obj \
  ..\source\uCEFDevToolsMessageObserver.obj \
  ..\source\uCEFDialogHandler.obj \
  ..\source\uCEFDictionaryValue.obj \
  ..\source\uCEFDisplay.obj \
  ..\source\uCEFDisplayHandler.obj \
  ..\source\uCEFDomDocument.obj \
  ..\source\uCEFDomNode.obj \
  ..\source\uCEFDomVisitor.obj \
  ..\source\uCEFDownLoadItem.obj \
  ..\source\uCEFDownloadHandler.obj \
  ..\source\uCEFDownloadImageCallBack.obj \
  ..\source\uCEFDownloadItemCallback.obj \
  ..\source\uCEFDragAndDropMgr.obj \
  ..\source\uCEFDragData.obj \
  ..\source\uCEFDragHandler.obj \
  ..\source\uCEFEndTracingCallback.obj \
  ..\source\uCEFExtension.obj \
  ..\source\uCEFExtensionHandler.obj \
  ..\source\uCEFFileDialogCallback.obj \
  ..\source\uCEFFillLayout.obj \
  ..\source\uCEFFindHandler.obj \
  ..\source\uCEFFocusHandler.obj \
  ..\source\uCEFFrame.obj \
  ..\source\uCEFFrameHandler.obj \
  ..\source\uCEFGetExtensionResourceCallback.obj \
  ..\source\uCEFImage.obj \
  ..\source\uCEFInterfaces.obj \
  ..\source\uCEFJsDialogCallback.obj \
  ..\source\uCEFJsDialogHandler.obj \
  ..\source\uCEFJson.obj \
  ..\source\uCEFKeyboardHandler.obj \
  ..\source\uCEFLabelButton.obj \
  ..\source\uCEFLabelButtonComponent.obj \
  ..\source\uCEFLayout.obj \
  ..\source\uCEFLibFunctions.obj \
  ..\source\uCEFLifeSpanHandler.obj \
  ..\source\uCEFLinkedWinControlBase.obj \
  ..\source\uCEFLinkedWindowParent.obj \
  ..\source\uCEFListValue.obj \
  ..\source\uCEFLoadHandler.obj \
  ..\source\uCEFMediaObserver.obj \
  ..\source\uCEFMediaRoute.obj \
  ..\source\uCEFMediaRouteCreateCallback.obj \
  ..\source\uCEFMediaRouter.obj \
  ..\source\uCEFMediaSink.obj \
  ..\source\uCEFMediaSinkDeviceInfoCallback.obj \
  ..\source\uCEFMediaSource.obj \
  ..\source\uCEFMenuButton.obj \
  ..\source\uCEFMenuButtonComponent.obj \
  ..\source\uCEFMenuButtonDelegate.obj \
  ..\source\uCEFMenuButtonPressedLock.obj \
  ..\source\uCEFMenuModel.obj \
  ..\source\uCEFMenuModelDelegate.obj \
  ..\source\uCEFMiscFunctions.obj \
  ..\source\uCEFNavigationEntry.obj \
  ..\source\uCEFNavigationEntryVisitor.obj \
  ..\source\uCEFOAuth2Helper.obj \
  ..\source\uCEFOLEDragAndDrop.obj \
  ..\source\uCEFOSRIMEHandler.obj \
  ..\source\uCEFOverlayController.obj \
  ..\source\uCEFPDFPrintCallback.obj \
  ..\source\uCEFPDFPrintOptions.obj \
  ..\source\uCEFPanel.obj \
  ..\source\uCEFPanelComponent.obj \
  ..\source\uCEFPanelDelegate.obj \
  ..\source\uCEFPostData.obj \
  ..\source\uCEFPostDataElement.obj \
  ..\source\uCEFPrintDialogCallback.obj \
  ..\source\uCEFPrintHandler.obj \
  ..\source\uCEFPrintJobCallback.obj \
  ..\source\uCEFPrintSettings.obj \
  ..\source\uCEFProcessMessage.obj \
  ..\source\uCEFRegistration.obj \
  ..\source\uCEFRenderHandler.obj \
  ..\source\uCEFRenderProcessHandler.obj \
  ..\source\uCEFRequest.obj \
  ..\source\uCEFRequestContext.obj \
  ..\source\uCEFRequestContextHandler.obj \
  ..\source\uCEFRequestHandler.obj \
  ..\source\uCEFResolveCallback.obj \
  ..\source\uCEFResourceBundle.obj \
  ..\source\uCEFResourceBundleHandler.obj \
  ..\source\uCEFResourceHandler.obj \
  ..\source\uCEFResourceReadCallback.obj \
  ..\source\uCEFResourceRequestHandler.obj \
  ..\source\uCEFResourceSkipCallback.obj \
  ..\source\uCEFResponse.obj \
  ..\source\uCEFResponseFilter.obj \
  ..\source\uCEFRunContextMenuCallback.obj \
  ..\source\uCEFRunFileDialogCallback.obj \
  ..\source\uCEFSSLStatus.obj \
  ..\source\uCEFSchemeHandlerFactory.obj \
  ..\source\uCEFSchemeRegistrar.obj \
  ..\source\uCEFScrollView.obj \
  ..\source\uCEFScrollViewComponent.obj \
  ..\source\uCEFSelectClientCertificateCallback.obj \
  ..\source\uCEFSentinel.obj \
  ..\source\uCEFServer.obj \
  ..\source\uCEFServerComponent.obj \
  ..\source\uCEFServerEvents.obj \
  ..\source\uCEFServerHandler.obj \
  ..\source\uCEFSetCookieCallback.obj \
  ..\source\uCEFSslInfo.obj \
  ..\source\uCEFStreamReader.obj \
  ..\source\uCEFStreamWriter.obj \
  ..\source\uCEFStringList.obj \
  ..\source\uCEFStringMap.obj \
  ..\source\uCEFStringMultimap.obj \
  ..\source\uCEFStringVisitor.obj \
  ..\source\uCEFTask.obj \
  ..\source\uCEFTaskRunner.obj \
  ..\source\uCEFTextfield.obj \
  ..\source\uCEFTextfieldComponent.obj \
  ..\source\uCEFTextfieldDelegate.obj \
  ..\source\uCEFThread.obj \
  ..\source\uCEFTimerWorkScheduler.obj \
  ..\source\uCEFTypes.obj \
  ..\source\uCEFUrlRequest.obj \
  ..\source\uCEFUrlRequestClientComponent.obj \
  ..\source\uCEFUrlRequestClientEvents.obj \
  ..\source\uCEFUrlrequestClient.obj \
  ..\source\uCEFValue.obj \
  ..\source\uCEFView.obj \
  ..\source\uCEFViewComponent.obj \
  ..\source\uCEFViewDelegate.obj \
  ..\source\uCEFViewsFrameworkEvents.obj \
  ..\source\uCEFWaitableEvent.obj \
  ..\source\uCEFWebPluginInfo.obj \
  ..\source\uCEFWebPluginInfoVisitor.obj \
  ..\source\uCEFWebPluginUnstableCallback.obj \
  ..\source\uCEFWinControl.obj \
  ..\source\uCEFWindow.obj \
  ..\source\uCEFWindowComponent.obj \
  ..\source\uCEFWindowDelegate.obj \
  ..\source\uCEFWindowParent.obj \
  ..\source\uCEFWorkScheduler.obj \
  ..\source\uCEFWorkSchedulerQueueThread.obj \
  ..\source\uCEFWorkSchedulerThread.obj \
  ..\source\uCEFWriteHandler.obj \
  ..\source\uCEFX509CertPrincipal.obj \
  ..\source\uCEFX509Certificate.obj \
  ..\source\uCEFXmlReader.obj \
  ..\source\uCEFZipReader.obj \
  ..\source\uCEFv8Accessor.obj \
  ..\source\uCEFv8ArrayBufferReleaseCallback.obj \
  ..\source\uCEFv8Context.obj \
  ..\source\uCEFv8Exception.obj \
  ..\source\uCEFv8Handler.obj \
  ..\source\uCEFv8Interceptor.obj \
  ..\source\uCEFv8StackFrame.obj \
  ..\source\uCEFv8StackTrace.obj \
  ..\source\uCEFv8Value.obj \
  ..\packages\CEF4Delphi_Register.obj \
  maxicef.obj
RESFILES = maxicef.res ..\packages\res\chromium.dcr
MAINSOURCE = maxicef.cpp
RESDEPEN = $(RESFILES)
LIBFILES = 
IDLFILES = 
IDLGENFILES = 
LIBRARIES = Rxctl5.lib
PACKAGES = vcl50.bpi
SPARELIBS = Vcl50.lib Rxctl5.lib
DEFFILE = 
# ---------------------------------------------------------------------------
PATHCPP = .;..\winlib;
PATHASM = .;
PATHPAS = .;..\source;..\packages;..\addons;
PATHRC = .;..\packages\res;
DEBUGLIBPATH = $(BCB)\lib\debug;
RELEASELIBPATH = $(BCB)\lib\release
USERDEFINES = _DEBUG;MSWINDOWS;CPUX32;TARGET_32BITS;VER130;
SYSDEFINES = _RTLDLL;NO_STRICT;USEPACKAGES
INCLUDEPATH = ..\source;..\packages;..\addons;..\winlib;$(BCB)\include;$(BCB)\include\vcl
LIBPATH = ..\source;..\packages;..\packages\res;..\addons;..\winlib;c:\windows\system32;c:\windows\SysWOW64;L:\Lib;$(BCB)\lib\obj;$(BCB)\lib;
WARNINGS= -w-par
# ---------------------------------------------------------------------------
CFLAG1 = -Od -Vx -Ve -X- -r- -a8 -b- -k -y -v -vi- -c -tWM -H=vcl50.csm
IDLCFLAGS = -I..\source -I..\packages -I..\addons -I..\winlib -I$(BCB)\include -I$(BCB)\include\vcl \
    -src_suffix cpp -D_DEBUG -DMSWINDOWS -DCPUX32 -DTARGET_32BITS -DVER130 -boa
PFLAGS = -$YD -$W -$O- -v -JPHNE -M
RFLAGS = 
AFLAGS = /mx /w2 /zd
LFLAGS = -D"" -aa -Tpp -x -Gn -Gl -Gi -v
# ---------------------------------------------------------------------------
ALLOBJ = c0pkg32.obj $(PACKAGES) Memmgr.Lib sysinit.obj $(OBJFILES)
ALLRES = $(RESFILES)
ALLLIB = $(LIBFILES) $(LIBRARIES) import32.lib cp32mti.lib
# ---------------------------------------------------------------------------
!ifdef IDEOPTIONS

[Version Info]
IncludeVerInfo=0
AutoIncBuild=0
MajorVer=1
MinorVer=0
Release=0
Build=0
Debug=0
PreRelease=0
Special=0
Private=0
DLL=0

[Version Info Keys]
CompanyName=
FileDescription=
FileVersion=1.0.0.0
InternalName=
LegalCopyright=
LegalTrademarks=
OriginalFilename=
ProductName=
ProductVersion=1.0.0.0
Comments=

[Debugging]
DebugSourceDirs=$(BCB)\source\vcl

!endif





# ---------------------------------------------------------------------------
# MAKE SECTION
# ---------------------------------------------------------------------------
# This section of the project file is not used by the BCB IDE.  It is for
# the benefit of building from the command-line using the MAKE utility.
# ---------------------------------------------------------------------------

.autodepend
# ---------------------------------------------------------------------------
!if "$(USERDEFINES)" != ""
AUSERDEFINES = -d$(USERDEFINES:;= -d)
!else
AUSERDEFINES =
!endif

!if !$d(BCC32)
BCC32 = bcc32ide
!endif

!if !$d(CPP32)
CPP32 = cpp32
!endif

!if !$d(DCC32)
DCC32 = dcc32
!endif

!if !$d(TASM32)
TASM32 = tasm32
!endif

!if !$d(LINKER)
LINKER = ilink32
!endif

!if !$d(BRCC32)
BRCC32 = brcc32
!endif


# ---------------------------------------------------------------------------
!if $d(PATHCPP)
.PATH.CPP = $(PATHCPP)
.PATH.C   = $(PATHCPP)
!endif

!if $d(PATHPAS)
.PATH.PAS = $(PATHPAS)
!endif

!if $d(PATHASM)
.PATH.ASM = $(PATHASM)
!endif

!if $d(PATHRC)
.PATH.RC  = $(PATHRC)
!endif
# ---------------------------------------------------------------------------
$(PROJECT): $(IDLGENFILES) $(OBJFILES) $(RESDEPEN) $(DEFFILE)
    $(BCB)\BIN\$(LINKER) @&&!
    $(LFLAGS) -L$(LIBPATH) +
    $(ALLOBJ), +
    $(PROJECT),, +
    $(ALLLIB), +
    $(DEFFILE), +
    $(ALLRES)
!
# ---------------------------------------------------------------------------
.pas.hpp:
    $(BCB)\BIN\$(DCC32) $(PFLAGS) -U$(INCLUDEPATH) -D$(USERDEFINES);$(SYSDEFINES) -O$(INCLUDEPATH) --BCB {$< }

.pas.obj:
    $(BCB)\BIN\$(DCC32) $(PFLAGS) -U$(INCLUDEPATH) -D$(USERDEFINES);$(SYSDEFINES) -O$(INCLUDEPATH) --BCB {$< }

.cpp.obj:
    $(BCB)\BIN\$(BCC32) $(CFLAG1) $(WARNINGS) -I$(INCLUDEPATH) -D$(USERDEFINES);$(SYSDEFINES) -n$(@D) {$< }

.c.obj:
    $(BCB)\BIN\$(BCC32) $(CFLAG1) $(WARNINGS) -I$(INCLUDEPATH) -D$(USERDEFINES);$(SYSDEFINES) -n$(@D) {$< }

.c.i:
    $(BCB)\BIN\$(CPP32) $(CFLAG1) $(WARNINGS) -I$(INCLUDEPATH) -D$(USERDEFINES);$(SYSDEFINES) -n. {$< }

.cpp.i:
    $(BCB)\BIN\$(CPP32) $(CFLAG1) $(WARNINGS) -I$(INCLUDEPATH) -D$(USERDEFINES);$(SYSDEFINES) -n. {$< }

.asm.obj:
    $(BCB)\BIN\$(TASM32) $(AFLAGS) -i$(INCLUDEPATH:;= -i) $(AUSERDEFINES) -d$(SYSDEFINES:;= -d) $<, $@

.rc.res:
    $(BCB)\BIN\$(BRCC32) $(RFLAGS) -I$(INCLUDEPATH) -D$(USERDEFINES);$(SYSDEFINES) -fo$@ $<
# ---------------------------------------------------------------------------

更新

对于@PaulMcKenzie：我有一个 64 位操作系统，我需要使用 Borland C++Builder 5 构建一个 32 位应用程序才能在 64 位操作系统上运行。 当我从我的.pas文件中引用驻留在 Windows DLL 中的 Windows 函数时，我遇到的问题是Unresolved external错误的问题。

1 个解决方案

解决方案1
 0  2021-12-18 11:40:16

好的，谢谢大家，让我明白了DLL导入的过程。

正如IInspectable和Remy Lebeau所说 - DLL的导入需要与LIB链接。 这里有更多解释。 还有谷歌 - “将共享库链接到可执行文件”。 是.so还是.dll并不重要，原理是一样的。

在我给出解决方案之前，还有一点很重要。

正如Remy Lebeau所说：几个功能

当 BCB5 发布时还不存在（或在不久之前引入）

解决方案

第一的

修复makefile

LIBRARIES = Rxctl5.lib shlwapi.lib kernel32.lib user32.lib
LIBPATH = ...;..\libs;
  1. 在LIBRARIES部分添加所有必需的.lib文件。
  2. 在LIBPATH部分的路径中添加一个新文件夹。

第二

尽管BCB安装中存在带有.lib函数的文件夹：

在此处输入图片说明

您需要重新创建.lib文件。 我在T:\\虚拟驱动Borland C++ builder安装了Borland C++ builder ：

> cd ..\libs
> T:\Bin\implib.exe kernel32.lib c:\Windows\SysWOW64\kernel32.dll

我将 libs 放在相对于makefile文件夹..\\libs 。

第三

Borland编译器有一个错误。 它无法编译从类方法对外部函数的调用，因此您需要添加代理：

unit uCEFMiscFunctions;

interface

const
  Kernel32DLL = 'kernel32.dll';

{$IFDEF MSWINDOWS}
function GetGlobalMemoryStatusEx_(lpBuffer: LPMEMORYSTATUSEX): BOOL;
function GetGlobalMemoryStatusEx(lpBuffer: LPMEMORYSTATUSEX): BOOL; stdcall; external Kernel32DLL name 'GlobalMemoryStatusEx';
{$ENDIF}

implementation

{$IFDEF MSWINDOWS}
function GetGlobalMemoryStatusEx_(lpBuffer: LPMEMORYSTATUSEX): BOOL;
begin
  Result := GetGlobalMemoryStatusEx(lpBuffer);
end;
{$ENDIF}

unit uCEFApplicationCore;
...
function TCefApplicationCore.GetTotalSystemMemory : UInt64;
{$IFDEF MSWINDOWS}
var
  TempMemStatus : TMyMemoryStatusEx;
{$ENDIF}
begin
  Result := 0;
  {$IFDEF MSWINDOWS}
  ZeroMemory(@TempMemStatus, SizeOf(TMyMemoryStatusEx));
  TempMemStatus.dwLength := SizeOf(TMyMemoryStatusEx);
  if GetGlobalMemoryStatusEx_(@TempMemStatus) then
  if True then
    Result := TempMemStatus.ullTotalPhys;
  {$ENDIF}
end;

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