Integrated: 8359064: Expose reason for marking nmethod non-entrant to JVMCI client

[Cesar Soares Lucas]

On Mon, 9 Jun 2025 23:57:46 GMT, Cesar Soares Lucas <cslucas at openjdk.org> wrote:

> We recently introduced a way to set the reason why a nmethod was being marked as `not entrant`, see [here](https://github.com/openjdk/jdk/pull/23980) and [here](https://github.com/openjdk/jdk/pull/25338).
> 
> This PR is to expose in the JVMCI interface the reason why the nmethod was flagged as `not entrant`. This will allow JVMCI-based compilers to implement heuristics to handle re-compilations differently based on what happened to earlier versions of a method, for instance, this will likely be used to address this [RFE in Truffle](https://github.com/oracle/graal/issues/11045
> ). 
> 
> Tested on Linux x86_64, ARM with JTREG tier 1-3.

This pull request has now been integrated.

Changeset: 2fe12984
Author:    Cesar Soares Lucas <cslucas at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/2fe12984474656a08c4525c04a351d85be73f658
Stats:     278 lines in 25 files changed: 177 ins; 7 del; 94 mod

8359064: Expose reason for marking nmethod non-entrant to JVMCI client

Reviewed-by: dnsimon, never

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PR: https://git.openjdk.org/jdk/pull/25706