RFR: 8344526: RISC-V: implement -XX:+VerifyActivationFrameSize

[Fei Yang]

On Wed, 20 Nov 2024 02:43:42 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> Currently on linux-riscv64 platform the debug VM option `-XX:+VerifyActivationFrameSize` is Unimplemented. I want to implement `-XX:+VerifyActivationFrameSize` to make JVM easier to diagnose. Only effect debug build plus with option `-XX:+VerifyActivationFrameSize`, the change has been verified locally, the risk is low.
> 
> Additional testing
> 
> - [ ] jtreg tests(include tier1/2/3 etc.) on linux-aarch64 release build

src/hotspot/cpu/riscv/interp_masm_riscv.cpp line 447:

> 445:     sub(t1, fp, esp);
> 446:     int min_frame_size = (frame::link_offset - frame::interpreter_frame_initial_sp_offset) * wordSize;
> 447:     add(t1, t1, -min_frame_size);

Suggestion: `sub(t1, t1, min_frame_size);`

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PR Review Comment: https://git.openjdk.org/jdk/pull/22264#discussion_r1849429091