8359386: Fix incorrect value for max_size of C2CodeStub when APX is used

[TobiHartmann]

Hi all,

This pull request contains a backport of commit b52af182 from the openjdk/jdk repository.

The commit being backported was authored by Srinivas Vamsi Parasa on 18 Jun 2025 and was reviewed by Tobias Hartmann, Aleksey Shipilev, Jatin Bhateja and Sandhya Viswanathan.

Thanks!

---

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

Issue

• JDK-8359386: Fix incorrect value for max_size of C2CodeStub when APX is used (Bug - P3)

Reviewers

• Manuel Hässig (@mhaessig - Author)
• Emanuel Peter (@eme64 - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/25909/head:pull/25909
$ git checkout pull/25909

Update a local copy of the PR:
$ git checkout pull/25909
$ git pull https://git.openjdk.org/jdk.git pull/25909/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 25909

View PR using the GUI difftool:
$ git pr show -t 25909

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/25909.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back thartmann! A progress list of the required criteria for merging this PR into jdk25 will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@TobiHartmann 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:

8359386: Fix incorrect value for max_size of C2CodeStub when APX is used

Reviewed-by: mhaessig, epeter

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 4 new commits pushed to the jdk25 branch:

• 36b185a: 8359402: Test CloseDescriptors.java should throw SkippedException when there is no lsof/sctp
• c832f00: 8359593: JFR: Instrumentation of java.lang.String corrupts recording
• e5ac75a: 8359646: C1 crash in AOTCodeAddressTable::add_C_string
• ... and 1 more: https://git.openjdk.org/jdk/compare/5bcea92eaa278f632be1fd7de91b57bce46e6680...jdk25

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.

➡️ To integrate this PR with the above commit message to the jdk25 branch, type /integrate in a new comment.

[openjdk]

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

[openjdk]

@TobiHartmann The following label will be automatically applied to this pull request:

• hotspot-compiler

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.

[mlbridge]

Webrevs

• 00: Full (e55cca97)

[mhaessig]

Looks good to me!

[eme64]

LGTM

[TobiHartmann]

Thanks Manuel and Emanuel!

[TobiHartmann]

/integrate

[openjdk]

Going to push as commit 3f6b0c6.
Since your change was applied there have been 4 commits pushed to the jdk25 branch:

• 36b185a: 8359402: Test CloseDescriptors.java should throw SkippedException when there is no lsof/sctp
• c832f00: 8359593: JFR: Instrumentation of java.lang.String corrupts recording
• e5ac75a: 8359646: C1 crash in AOTCodeAddressTable::add_C_string
• ... and 1 more: https://git.openjdk.org/jdk/compare/5bcea92eaa278f632be1fd7de91b57bce46e6680...jdk25

Your commit was automatically rebased without conflicts.

[openjdk]

@TobiHartmann Pushed as commit 3f6b0c6.

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