176 lines
7.3 KiB
Plaintext
176 lines
7.3 KiB
Plaintext
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WINE/WINDOWS DLLS
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This document mainly deals with the status of current DLL support by
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Wine. The Wine ini file currently supports settings to change the
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load order of DLLs. The load order depends on several issues, which
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results in different settings for various DLLs.
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Pros of Native DLLs
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-------------------
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Native DLLs of course guarantee 100% compatibility for routines they
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implement. For example, using the native USER DLL would maintain a
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virtually perfect and Windows 95-like look for window borders, dialog
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controls, and so on. Using the built-in WINE version of this library,
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on the other hand, would produce a display that does not precisely
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mimic that of Windows 95. Such subtle differences can be engendered
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in other important DLLs, such as the common controls library COMMCTRL
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or the common dialogs library COMMDLG, when built-in WINE DLLs outrank
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other types in load order.
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More significant, less aesthetically-oriented problems can result if
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the built-in WINE version of the SHELL DLL is loaded before the native
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version of this library. SHELL contains routines such as those used by
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installer utilities to create desktop shortcuts. Some installers might
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fail when using WINE's built-in SHELL.
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Cons of Native DLLs
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-------------------
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Not every application performs better under native DLLs. If a library
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tries to access features of the rest of the system that are not fully
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implemented in Wine, the native DLL might work much worse than the
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corresponding built-in one, if at all. For example, the native Windows
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GDI library must be paired with a Windows display driver, which of
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course is not present under Intel Unix and WINE.
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Finally, occassionally built-in WINE DLLs implement more features than
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the corresponding native Windows DLLs. Probably the most important
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example of such behavior is the integration of Wine with X provided by
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WINE's built-in USER DLL. Should the native Windows USER library take
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load-order precedence, such features as the ability to use the
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clipboard or drag-and- drop between Wine windows and X windows will be
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lost.
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Deciding Between Native and Built-In DLLs
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-----------------------------------------
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Clearly, there is no one rule-of-thumb regarding which load-order to
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use. So, you must become familiar with:
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* what specific DLLs do
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* which other DLLs or features a given library interacts with
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and use this information to make a case-by-case decision.
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Load Order for DLLs
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-------------------
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Using the DLL sections from the wine configuration file, the load
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order can be tweaked to a high degree. In general it is advised not to
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change the settings of the configuration file. The default
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configuration specifies the right load order for the most important
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DLLs.
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The default load order follows this algorithm: for all DLLs which have
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a fully-functional Wine implementation, or where the native DLL is
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known not to work, the built-in library will be loaded first. In all
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other cases, the native DLL takes load-order precedence.
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The DefaultLoadOrder from the [DllDefaults] section specifies for all
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DLLs which version to try first. See manpage for explanation of the
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arguments.
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The [DllOverrides] section deals with DLLs, which need a
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different-from-default treatment.
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The [DllPairs] section is for DLLs, which must be loaded in pairs. In
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general, these are DLLs for either 16-bit or 32-bit applications. In
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most cases in Windows, the 32-bit version cannot be used without its
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16-bit counterpart. For WINE, it is customary that the 16-bit
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implementations rely on the 32-bit implementations and cast the
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results back to 16-bit arguments. Changing anything in this section is
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bound to result in errors.
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For the future, Wine implemetation of Windows DLL seems to head
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towards unifying the 16 and 32 bit DLLs wherever possible, resulting
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in larger DLLs. They are stored in the dlls/ subdirectory using the
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16-bit name. For large DLLs, a split might be discussed.
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Understanding What DLLs Do
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--------------------------
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The following list briefly describes each of the DLLs commonly found
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in Windows whose load order may be modified during the configuration
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and compilation of WINE.
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(See also ./DEVELOPER-HINTS or the dlls/ subdirectory to see which
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DLLs are currently being rewritten for wine)
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ADVAPI32.DLL: 32-bit application advanced programming interfaces
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like crypto, systeminfo, security and eventlogging
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AVIFILE.DLL: 32-bit application programming interfaces for the
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Audio Video Interleave (AVI) Windows-specific
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Microsoft audio-video standard
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COMMCTRL.DLL: 16-bit common controls
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COMCTL32.DLL: 32-bit common controls
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COMDLG32.DLL: 32-bit common dialogs
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COMMDLG.DLL: 16-bit common dialogs
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COMPOBJ.DLL: OLE 16- and 32-bit compatibility libraries
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CRTDLL.DLL: Microsoft C runtime
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DCIMAN.DLL: 16-bit
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DCIMAN32.DLL: 32-bit display controls
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DDEML.DLL: DDE messaging
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D3D*.DLL DirectX/Direct3D drawing libraries
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DDRAW.DLL: DirectX drawing libraries
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DINPUT.DLL: DirectX input libraries
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DISPLAY.DLL: Display libraries
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DPLAY.DLL, DPLAYX.DLL: DirectX playback libraries
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DSOUND.DLL: DirectX audio libraries
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GDI.DLL: 16-bit graphics driver interface
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GDI32.DLL: 32-bit graphics driver interface
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IMAGEHLP.DLL: 32-bit IMM API helper libraries (for PE-executables)
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IMM32.DLL: 32-bit IMM API
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IMGUTIL.DLL:
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KERNEL32.DLL 32-bit kernel DLL
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KEYBOARD.DLL: Keyboard drivers
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LZ32.DLL: 32-bit Lempel-Ziv or LZ file compression
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used by the installshields (???).
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LZEXPAND.DLL: LZ file expansion; needed for Windows Setup
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MMSYSTEM.DLL: Core of the Windows multimedia system
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MOUSE.DLL: Mouse drivers
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MPR.DLL: 32-bit Windows network interface
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MSACM.DLL: Core of the Addressed Call Mode or ACM system
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MSACM32.DLL: Core of the 32-bit ACM system
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Audio Compression Manager ???
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MSNET32.DLL 32-bit network APIs
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MSVFW32.DLL: 32-bit Windows video system
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MSVIDEO.DLL: 16-bit Windows video system
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OLE2.DLL: OLE 2.0 libraries
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OLE32.DLL: 32-bit OLE 2.0 components
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OLE2CONV.DLL: Import filter for graphics files
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OLE2DISP.DLL, OLE2NLS.DLL: OLE 2.1 16- and 32-bit interoperability
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OLE2PROX.DLL: Proxy server for OLE 2.0
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OLE2THK.DLL: Thunking for OLE 2.0
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OLEAUT32.DLL 32-bit OLE 2.0 automation
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OLECLI.DLL: 16-bit OLE client
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OLECLI32.DLL: 32-bit OLE client
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OLEDLG.DLL: OLE 2.0 user interface support
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OLESVR.DLL: 16-bit OLE server libraries
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OLESVR32.DLL: 32-bit OLE server libraries
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PSAPI.DLL: Proces Status API libraries
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RASAPI16.DLL: 16-bit Remote Access Services libraries
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RASAPI32.DLL: 32-bit Remote Access Services libraries
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SHELL.DLL: 16-bit Windows shell used by Setup
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SHELL32.DLL: 32-bit Windows shell (COM object?)
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TAPI/TAPI32/TAPIADDR: Telephone API (for Modems)
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W32SKRNL: Win32s Kernel ? (not in use for Win95 and up!)
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WIN32S16.DLL: Application compatibility for Win32s
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WIN87EM.DLL: 80387 math-emulation libraries
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WINASPI.DLL: Advanced SCSI Peripheral Interface or ASPI libraries
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WINDEBUG.DLL Windows debugger
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WINMM.DLL: Libraries for multimedia thunking
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WING.DLL: Libraries required to "draw" graphics
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WINSOCK.DLL: Sockets APIs
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WINSPOOL.DLL: Print spooler libraries
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WNASPI32.DLL: 32-bit ASPI libraries
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WSOCK32.DLL: 32-bit sockets APIs
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Credits
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-------
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Based upon various messages on wine-devel especially by Ulrich Weigand.
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Adapted by Michele Petrovski and Klaas van Gend.
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