On Tue, 18 Jun 2024 16:30:37 GMT, Jorn Vernee <jver...@openjdk.org> wrote:

> This PR adds a new JDK tool, called `jnativescan`, that can be used to find 
> code that accesses native functionality. Currently this includes `native` 
> method declarations, and methods marked with `@Restricted`.
> 
> The tool accepts a list of class path and module path entries through 
> `--class-path` and `--module-path`, and a set of root modules through 
> `--add-modules`, as well as an optional target release with `--release`.
> 
> The default mode is for the tool to report all uses of `@Restricted` methods, 
> and `native` method declaration in a tree-like structure:
> 
> 
> app.jar (ALL-UNNAMED):
>   main.Main:
>     main.Main::main(String[])void references restricted methods:
>       java.lang.foreign.MemorySegment::reinterpret(long)MemorySegment
>     main.Main::m()void is a native method declaration
> 
> 
> The `--print-native-access` option can be used print out all the module names 
> of modules doing native access in a comma separated list. For class path 
> code, this will print out `ALL-UNNAMED`.
> 
> Testing: 
> - `langtools_jnativescan` tests.
> - Running the tool over jextract's libclang bindings, which use the FFM API, 
> and thus has a lot of references to `@Restricted` methods.
> - tier 1-3

This pull request has now been integrated.

Changeset: cec222e4
Author:    Jorn Vernee <jver...@openjdk.org>
URL:       
https://git.openjdk.org/jdk/commit/cec222e46065fc15db3f2eb241d3607d605ab580
Stats:     2250 lines in 37 files changed: 2235 ins; 0 del; 15 mod

8317611: Add a tool like jdeprscan to find usage of restricted methods

Reviewed-by: alanb, ihse, mcimadamore, jlahoda, jwaters

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PR: https://git.openjdk.org/jdk/pull/19774

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