On Tue, 29 Apr 2025 04:50:42 GMT, Ioi Lam <ik...@openjdk.org> wrote:

> This is the implementation of the draft [JEP: Ahead-of-time Command Line 
> Ergonomics](https://bugs.openjdk.org/browse/JDK-8350022)
> 
> - Implemented new flag `AOTCacheOutput`, which can be used to create an AOT 
> cache using the "one-command workflow"
> - Added processing of the `JDK_AOT_VM_OPTIONS` environment variable that can 
> supply extra VM options when creating an AOT cache
> - Added `%p` substitution for `AOTCache`, `AOTCacheOutput`, and 
> `AOTConfiguration` options
> 
> Please see the [JEP](https://bugs.openjdk.org/browse/JDK-8350022) and 
> [CSR](https://bugs.openjdk.org/browse/JDK-8356010) for detailed specification.
> 
> Examples:
> 
> 
> # Create an AOT cache with a single command:
> $ java -cp HelloWorld.jar -XX:AOTMode=record -XX:AOTCacheOutput=foo.aot 
> HelloWorld
> Hello World
> Temporary AOTConfiguration recorded: foo.aot.config
> Launching child process /usr/bin/java to assemble AOT cache foo.aot using 
> configuration foo.aot.config
> [...]
> Reading AOTConfiguration foo.aot.config and writing AOTCache foo.aot
> AOTCache creation is complete: foo.aot 10240000 bytes
> 
> # Create logging file for the AOT cache assembly phase
> $ export AOT_TOOL_COMMAND=-Xlog:cds:file=log.txt
> $ java -cp HelloWorld.jar -XX:AOTMode=record -XX:AOTCacheOutput=foo.aot 
> HelloWorld
> 
> 
> Note: the child process is launched with Java API because the HotSpot native 
> APIs are not sufficient (no way to set env vars for child process).

This pull request has now been integrated.

Changeset: dede3532
Author:    Ioi Lam <ik...@openjdk.org>
URL:       
https://git.openjdk.org/jdk/commit/dede3532f7238d527fb89be41f1b8050bde02ee3
Stats:     2107 lines in 26 files changed: 1564 ins; 459 del; 84 mod

8355798: Implement JEP 514: Ahead-of-Time Command Line Ergonomics

Reviewed-by: erikj, kvn, asmehra

-------------

PR: https://git.openjdk.org/jdk/pull/24942

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