RFR: 8165440: Add zero support for x86_64-linux-gnux32 target
Magnus Ihse Bursie
magnus.ihse.bursie at oracle.com
Wed Sep 5 07:05:52 UTC 2018
On 2018-09-04 23:29, David Holmes wrote:
> Hi Adrian,
> All changes that touch the build system must be reviewed by build-dev
> - now cc'd.
This has been discussed at some length in build-dev. But I agree, it's
good that also the actual RFR is cc:ed here.
The patch, unsurprisingly, LGTM.
> These changes seem reasonable, though I don't like adding changes in
> source code for such an obscure (and unsupported!) platform.
> On 5/09/2018 3:45 AM, John Paul Adrian Glaubitz wrote:
>> This rather small change adds build support for the x86_64-linux-gnux32
>> target. x32 is a variant of the x86_64 ABI with 64-bit registers and
>> instruction set but 32-bit pointers .
>> One of the Linux distributions supporting x32 is Debian, see . The
>> port is not official, but the large majority of packages build fine
>> and the toolchain is in good shape. Another distribution supporting
>> x32 is Gentoo.
>> Please review the change in . I have changed the original patch
>> a bit that Debian uses downstream to make the changes more consistent
>> and cleaner.
>>>  https://en.wikipedia.org/wiki/X32_ABI
>>>  http://debian-x32.org/
>>>  http://cr.openjdk.java.net/~glaubitz/8165440/webrev.00/
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