[lworld] Integrated: 8371292: [lworld] Switch JLink to not use ImageReader API

[David Beaumont]

On Tue, 4 Nov 2025 23:34:54 GMT, David Beaumont <duke at openjdk.org> wrote:

> Creates a new, narrowed API explicitly for use by jlink, which view the resource entries in a jimage file without the re-mapping of names and invention of synthetic entries inherent in ImageReader.
> 
> Another good reason to express this new API as something other than ImageReader is that, to fix issues such as [JDK-8357249](https://bugs.openjdk.org/browse/JDK-8357249), we don't want to have the (System)ImageReader class used directly in jlink code. It's just the wrong abstraction and will make it harder to refactor jlink to use a non-singleton API with a controlled lifetime later. 
> 
> I've not added unit tests for the new API (yet), but the fact the PackagedModulesVsRuntimeImageLinkTest passes with preview content in the jimage file means that it's working as expected.

This pull request has now been integrated.

Changeset: 66a87cec
Author:    David Beaumont <david.beaumont at oracle.com>
Committer: Roger Riggs <rriggs at openjdk.org>
URL:       https://git.openjdk.org/valhalla/commit/66a87cecc02e99f3de336b004c7baaba7d428f55
Stats:     438 lines in 8 files changed: 269 ins; 87 del; 82 mod

8371292: [lworld] Switch JLink to not use ImageReader API

Reviewed-by: rriggs

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PR: https://git.openjdk.org/valhalla/pull/1721