Review Request JDK-8175819: OS name and arch in JMOD files should match the values as in the bundle name

Andrew Dinn adinn at
Tue Apr 4 08:59:56 UTC 2017

On 03/04/17 19:41, Mandy Chung wrote:
> Webrev:
> This revisits the OS name and arch in packaging JDK modules
> to extend the module descriptor with ModuleTarget class file
> attribute.  We considered matching with the system properties.
> Linux x64 JDK can run on a system whose `os.arch` system
> property value can be `amd64` or `i586` or `x86_x64`.  
> Similiarly, windows x86/x64 JDK can run on a system whose 
> `` system property starts with “Windows” as the 
> property is set to "Windows XXX" for example 
> "Windows Server 2012 R2”.  It might be worth considering
> multiple OS arch values in ModuleTarget in the future.
> JDK bundle names are revised in JDK 9.  This is a good
> alternative to be consistent with $OS-$ARCH value in 
> the bundle names.  This patch proposes to package JDK modules 
> with OS name and arch to match the values as in JDK bundle names.
> jlink will generate the `release` file and set OS_NAME and
> OS_ARCH to those values.  This also proposes to drop 
> OS_VERSION to align with the ModuleTarget class file attribute.
> This shows the old and new value of OS_NAME/OS_ARCH properties
> in the `release` file:
>             JDK 8               JDK 9
>             -----               -----
> OS_NAME     Linux               linux
>             SunOS               solaris
>             Darwin              osx
>             Windows             windows
> OS_ARCH     i386,x86            x86
>             i586,amd64,x86_64   x64
>             sparcv9             sparcv9
>             arm                 arm32
>             aarch64             arm64

arm64 is *not* a correct name for the AArch64 architecture. There is in
fact no arm64 architecture. The latter name has been used to identify
the Oracle-developed port but that fact does not sanction its use for


Andrew Dinn
Senior Principal Software Engineer
Red Hat UK Ltd
Registered in England and Wales under Company Registration No. 03798903
Directors: Michael Cunningham, Michael ("Mike") O'Neill, Eric Shander

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