Wine64

Win64 Support for Wine

This page is for notes on the 64-bit port of Wine for AMD64 (a.k.a. x64 or x86-64). This port is just beginning to work, but is not yet fully functional. Only people who are planning to fix the code will want to compile Wine like this.

For normal use (even if you have a 64-bit operating system), you will want to compile the 32-bit version of Wine. For more details on that, see the WineOn64bit page.

Using an up-to-date gcc

GCC 4.4 has been released, which can compile 64-bit Wine correctly. You may need to compile GCC from source, if it is not yet available via your package manager.

Use the following shell script to download and compile GCC Subversion: http://winezeug.googlecode.com/svn/trunk/gcc64.sh (but read it first!). This will build the appropriate GCC and install it into /usr/local/gcc.

Installing build prerequisites

Install the needed development packages as described in WineOn64bit. (Hint: run wget http://winezeug.googlecode.com/svn/trunk/install-wine-deps.sh .)

Configuring for 64-bit compilation

The basic way to configure Wine for 64-bit compilation is: 

./configure --enable-win64

This will use the default GCC. To use a different version of GCC, run: 

./configure --enable-win64 CC=/path/to/subversion-gcc/bin/gcc

For example, if you compiled gcc as above: 

./configure --enable-win64 CC=/usr/local/gcc/bin/gcc

You can then do 'make' as usual.

Building both 32- and 64-bit Wine from the same source tree

It's useful to build and test the same sources for both 32- and 64-bits. To do that, use out-of-tree builds, e.g. 

cd $HOME
mkdir wine64
cd wine64
../wine-git/configure --enable-win64 CC=/usr/local/gcc/bin/gcc
make > make.log 2>&1
make -k test > test.log 2>&1
cd ..
mkdir wine32
cd wine32
../wine-git/configure
make > make.log 2>&1
make -k test > test.log 2>&1

(Until winedbg has been ported to 64-bits, any program that crashes may hang. To work around this, either 1) kill any test that hangs, or 2) run the tests with WINETESTWRAPPER set to a wrapper like http://code.google.com/p/winezeug/source/browse/trunk/patchwatcher/alarm.c?r=226 )

You can then compare the compilation warnings and test failures of the 32- and 64-bit builds, e.g. with this shell-script: 

for dir in wine32 wine64
do
    echo $dir
    cd $dir
    echo -n "ok:  "; find . -name '*.ok' | wc -l
    echo -n "err: "; grep ok.*Error test.log | wc -l
    cd ..
done

As of Jan 5th 2009, this outputs: 

wine32
ok:  378
err: 11
wine64
ok:  282
err: 107

so we're already passing 2/3 of the tests... not bad for starters.

Current problems

There are many, many pointer to int32 casts that need to be fixed. (About 3000.) Most of these issue an appropriate warning.

CPU-specific code that needs to be completed: 

dlls/dbghelp/minidump.c
programs/winedbg/gdbproxy.c
programs/winedbg/winedbg.c

The x86_64 ABI differs between Linux and Windows. One of the major differences is the size of the "long" type, which is 64 bits in Linux but 32 bits in Windows. Also the function calling convention differs. In both ABIs, parameters are preferably passed via registers, but the registers used differ. More on the Linux ABI can be found here, while information on the Windows ABI can be found here (hope this link survives in the future; if it doesn't, just search for "x64 Software Conventions" on MSDN).

Porting guides

There are a number of guides explaining how to make Windows code portable between 32- and 64-bits, for instance:

Compilers

Here are some Windows compilers that run in win32 and generate win64 executables:

Known Win64 apps

http://www.start64.com is kind of messy, but it does list a lot of Win64 software.

Here are a few that have free downloads and look like they might be useful test cases. The list is split based on whether the 32-bit version of the app has been tested with Wine.

Apps whose 64-bit versions work with Wine64:

  • Maarten's 64 bit pac-man game (File missing)

  • 7Zip - compression tool

  • Putty - remote shell client

Apps whose 32-bit versions work well with Wine:

Apps whose 32-bit versions have not yet been tested with Wine:

Apps whose 32-bit versions don't work well with Wine yet:

Wine64 (last edited 2010-02-09 06:31:20 by DmitryTimoshkov)