On Wed, 11 Jan 2023 13:50:11 GMT, Alan Bateman <al...@openjdk.org> wrote:

>> Can I please get a review for this change which proposes to fix the issue 
>> reported in https://bugs.openjdk.org/browse/JDK-8206890?
>> 
>> The `jlink` command allows a `--endian` option to specify the byte order in 
>> the generated image. Before this change, when such a image was being 
>> launched, the code would assume the byte order in the image to be the native 
>> order of the host where the image is being launched. That would result in 
>> failure to launch java, as noted in the linked issue.
>> 
>> The commit in this PR, changes relevant places to not assume native order 
>> and instead determine the byte order by reading the magic bytes in the image 
>> file's header content.
>> 
>> A new jtreg test has been added which reproduces the issue and verifies the 
>> fix.
>
> src/java.base/share/classes/jdk/internal/jimage/ImageHeader.java line 199:
> 
>> 197:      * @throws IOException If any error occurred reading the contents 
>> of the image file.
>> 198:      */
>> 199:     static ByteOrder tryDetectByteOrder(final Path imageFile) throws 
>> IOException {
> 
> Style-wise I think I would try to keep it consistent with the existing code 
> if you can, meaning the noise/over-use of finals can mostly be removed if you 
> can.

Done. I've updated the PR to remove all the `final` usage from this part of the 
code and made it consistent with the current code.

-------------

PR: https://git.openjdk.org/jdk/pull/11943

Reply via email to