8359707: Add classfile modification code to RedefineClassHelper

[coleenp]

I copied this code for another test in the Valhalla repo and thought it would be a good utility function. It might be better written using the Classfile API.
Tested with test.

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Progress

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Issue

• JDK-8359707: Add classfile modification code to RedefineClassHelper (Enhancement - P4)

Reviewers

• Serguei Spitsyn (@sspitsyn - Reviewer) Review applies to 3285f4d5
• Leonid Mesnik (@lmesnik - Reviewer)
• David Holmes (@dholmes-ora - Reviewer)

Reviewing

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[bridgekeeper]

👋 Welcome back coleenp! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@coleenp This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8359707: Add classfile modification code to RedefineClassHelper

Reviewed-by: lmesnik, dholmes, sspitsyn

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At the time when this comment was updated there had been 177 new commits pushed to the master branch:

• 38f59f8: 8358179: Performance regression in Math.cbrt
• e1681c4: 8359477: com/sun/net/httpserver/Test12.java appears to have a temp file race
• e138297: 8359436: AOTCompileEagerly should not be diagnostic
• ... and 174 more: https://git.openjdk.org/jdk/compare/b3f56086c99023a30b91f90c2acbed51b3b17ec0...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

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[openjdk]

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[coleenp]

/label add hotspot-runtime

[openjdk]

@coleenp
The hotspot-runtime label was successfully added.

[mlbridge]

Webrevs

• 11: Full - Incremental (9b704274)
• 10: Full - Incremental (791f2146)
• 09: Full - Incremental (3fc05102)
• 08: Full - Incremental (8f360d65)
• 07: Full - Incremental (17b3b77b)
• 06: Full - Incremental (21223e37)
• 05: Full - Incremental (3285f4d5)
• 04: Full - Incremental (a8ed67c0)
• 03: Full - Incremental (b0fe16c9)
• 02: Full - Incremental (ed342127)
• 01: Full - Incremental (6bc1ca59)
• 00: Full (3654034f)

[sspitsyn]

This looks reasonable. I've posted one nit suggestion.

[sspitsyn]

Thank you for the update! Looks good.

[lmesnik]

Looks

[coleenp]

Also added back the byte[] version of the method that I inadvertently deleted.

[dholmes-ora]

Update looks good. Just a couple of typos - sorry.

[coleenp]

Thanks David for the suggested changes for the typos, and for the suggestions.

[dholmes-ora]

LGTM!

[coleenp]

Thanks for the reviews Leonid, Serguei and David, and thanks for the help with ClassFile API Chen.
/integrate

[openjdk]

Going to push as commit e7a4500.
Since your change was applied there have been 177 commits pushed to the master branch:

• 38f59f8: 8358179: Performance regression in Math.cbrt
• e1681c4: 8359477: com/sun/net/httpserver/Test12.java appears to have a temp file race
• e138297: 8359436: AOTCompileEagerly should not be diagnostic
• ... and 174 more: https://git.openjdk.org/jdk/compare/b3f56086c99023a30b91f90c2acbed51b3b17ec0...master

Your commit was automatically rebased without conflicts.

[openjdk]

@coleenp Pushed as commit e7a4500.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.