RFR: 8341688: Aarch64: Generate comments in -XX:+PrintInterpreter to link to source code

[Julian Waters]

On Tue, 8 Oct 2024 06:17:56 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> The command "java -XX:+UnlockDiagnosticVMOptions -XX:+PrintInterpreter" can be used to print a disassembly of the HotSpot interpreter.
> In [JDK-8204267](https://bugs.openjdk.org/browse/JDK-8204267), the interpreter generate comments to link the instructions back to the C++ source code that generates them, but the releated PR only support x86 backend, I think it's doable on aarch64 either.
> 
> Additonal testing:
> 
> - [x] aarch64 native build with slowdebug and fastdebug
> - [x] jtreg tests(include tier1/tier2/tier3 etc.) with release build

One has to wonder why this wasn't done earlier if the implementation was already there and enabling it simply required writing a simple hook into the assembler

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Marked as reviewed by jwaters (Committer).

PR Review: https://git.openjdk.org/jdk/pull/21400#pullrequestreview-2356304142