Document OpenJDK Patches - Value 4

[LSantha]

OpenJDK Patches

Document the OpenJDK Patches JNode concept in the wiki.

Value: 4

Concept Summary

Patches to OpenJDK source for JNode compatibility. OpenJDK Patches enable JNode to incorporate bug fixes, performance improvements, and JNode-specific modifications to the standard Java class library while maintaining compatibility with upstream.

Key Files

• core/src/openjdk/patches/java/lang/*.patch (various patch files)

Occurrences

~50 patch files

Wiki Status

NOT documented

Bridges

OpenJDK, JVM, Compatibility

Instructions

Skill to Use

Use the [[update-wiki|update-wiki skill]] (load with skill({ name: "update-wiki" })) for understanding JNode internals.

Context Research

Review the OpenJDK patch files to understand what modifications JNode makes to the standard library. Study how patches are applied, what they change, and how compatibility is maintained. Research the relationship between patches and JNode's Class Library Integration.

Update index.md

• Pages table: Add entry for OpenJDK-Patches.md
• Concepts → Pages table: Add "OpenJDK Patches" mapping to [[OpenJDK-Patches]]
• Source Path → Pages table: Add mappings for core/src/openjdk/patches/
• Task Routing table: Add relevant task route(s)

Wiki Page Structure

# OpenJDK Patches

> Patches to OpenJDK source for JNode compatibility.

## Overview
2-3 paragraph explanation of OpenJDK Patches, how JNode modifies the standard library, and how compatibility is maintained.

## Key Components
| Class / File | Role |
|---|---|
| `core/src/openjdk/patches/java/lang/*.patch` | OpenJDK patch files |

## How It Works
Explanation of how OpenJDK patches work, what they modify, how they're applied, and how compatibility is maintained.

## Gotchas & Non-Obvious Behavior
- Patches must be carefully versioned against OpenJDK
- Some patches may be accepted upstream
- Patch conflicts must be resolved

## Related Pages
- [[Class-Library-Integration]]
- [[OpenJDK]]
- [[Java-API]]

---

Related Concepts: OpenJDK, Patches, Java API, Class library, Compatibility

[LSantha]

/oc Please proceed with this task.

[opencode-agent]

The wiki page was created but the push failed due to SSH key access issues. The changes are committed locally in .wiki/.

Created:

• .wiki/OpenJDK-Patches.md - documents JNode's native method implementations in core/src/openjdk/vm/
• Updated .wiki/index.md - added entries in Pages, Concepts → Pages, Source Path → Pages, and Task Routing tables
• Updated .wiki/Changelog.md - added changelog entry

Local commit: 4c5387b in .wiki/

To complete, run in .wiki/:

git push

Then close the issue with the PR or manually via the GitHub UI.

opencode session  |  github run

[LSantha]

/oc Please proceed with this task.

[LSantha]

/oc Please proceed with this task.

[opencode-agent]

Let me find the correct issue number:

gh issue list --state open --json number,title | jq '.[] | select(.title | contains("OpenJDK"))' Find OpenJDK-related issue

opencode session  |  github run