RFR: 8341562: RISC-V: Generate comments in -XX:+PrintInterpreter to link to source code

[SendaoYan]

On Sat, 5 Oct 2024 10:03:30 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 RISC-V either.
> 
> Additonal testing:
> 
> - [x] riscv native build with slowdebug and fastdebug
> - [ ] jtreg tier1 test with release build

The output of command `build/linux-riscv64-server-slowdebug/images/jdk/bin/java -Xint -XX:+PrintInterpreter -version`
[jdk24-riscv.log](https://github.com/user-attachments/files/17265783/jdk24-riscv.log)

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PR Comment: https://git.openjdk.org/jdk/pull/21370#issuecomment-2395008810