8326101: [PPC64] Need to bailout cleanly if creation of stubs fails when code cache is out of space

[TheRealMDoerr]

Basically clean backport of JDK-8326101. I only had to integrate the ppc.ad parts manually because of the NULL -> nullptr replacement in JDK 23.

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8326101 needs maintainer approval

Issue

• JDK-8326101: [PPC64] Need to bailout cleanly if creation of stubs fails when code cache is out of space (Bug - P3 - Approved)

Reviewers

• Matthias Baesken (@MBaesken - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk22u.git pull/76/head:pull/76
$ git checkout pull/76

Update a local copy of the PR:
$ git checkout pull/76
$ git pull https://git.openjdk.org/jdk22u.git pull/76/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 76

View PR using the GUI difftool:
$ git pr show -t 76

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk22u/pull/76.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back mdoerr! 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]

This backport pull request has now been updated with issue from the original commit.

[mlbridge]

Webrevs

• 00: Full (73baf5d3)

[openjdk]

⚠️ @TheRealMDoerr This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[TheRealMDoerr]

/approval request JDK 22 is affected by this bug. The fix is small, only touches two PPC64 files and applies almost cleanly. The trivial resolution has been reviewed. The fix has been tested in head for some time and retested in 22u. No regression found.

[openjdk]

@TheRealMDoerr
8326101: The approval request has been created successfully.

[openjdk]

@TheRealMDoerr 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:

8326101: [PPC64] Need to bailout cleanly if creation of stubs fails when code cache is out of space

Reviewed-by: mbaesken

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[TheRealMDoerr]

/integrate

[openjdk]

Going to push as commit e3ae81e.

[openjdk]

@TheRealMDoerr Pushed as commit e3ae81e.

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