From 4fbf272017d2f6933e66f8a67cb88e3ffc42339e Mon Sep 17 00:00:00 2001
From: SendaoYan <syan@openjdk.org>
Date: Thu, 21 Nov 2024 02:05:00 +0000
Subject: [PATCH] 8344526: RISC-V: implement -XX:+VerifyActivationFrameSize

Co-authored-by: Fei Yang <fyang@openjdk.org>
Reviewed-by: mli, fyang
---
 src/hotspot/cpu/riscv/interp_masm_riscv.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/hotspot/cpu/riscv/interp_masm_riscv.cpp b/src/hotspot/cpu/riscv/interp_masm_riscv.cpp
index b00b4474d69..897222ef995 100644
--- a/src/hotspot/cpu/riscv/interp_masm_riscv.cpp
+++ b/src/hotspot/cpu/riscv/interp_masm_riscv.cpp
@@ -441,7 +441,14 @@ void InterpreterMacroAssembler::dispatch_base(TosState state,
                                               Register Rs) {
   // Pay attention to the argument Rs, which is acquiesce in t0.
   if (VerifyActivationFrameSize) {
-    Unimplemented();
+    Label L;
+    sub(t1, fp, esp);
+    int min_frame_size =
+      (frame::link_offset - frame::interpreter_frame_initial_sp_offset + frame::metadata_words) * wordSize;
+    sub(t1, t1, min_frame_size);
+    bgez(t1, L);
+    stop("broken stack frame");
+    bind(L);
   }
   if (verifyoop && state == atos) {
     verify_oop(x10);