src/hotspot/cpu/riscv/gc/shenandoah/shenandoahBarrierSetAssembler_riscv.hpp

*** 88,10 ***
--- 88,17 ---
    void load_reference_barrier_c1_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
    void load_reference_barrier_c1_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
  #endif
  
  #ifdef COMPILER2
+   // Barrier hotpatching
+   static address parse_jump_address(address pc);
+   static void insert_patchable_nop(address pc);
+   static bool is_patchable_nop(address pc);
+   static void insert_patchable_jump(address pc, address target_pc);
+   static bool is_patchable_jump(address pc, address target_pc);
+ 
    // Entry points from Matcher
    void load_c2(const MachNode* node, MacroAssembler* masm, Register dst, Address addr, Register tmp1, Register tmp2, bool is_narrow);
    void store_c2(const MachNode* node, MacroAssembler* masm, Address dst, bool dst_narrow, Register src,
        bool src_narrow, Register tmp1, Register tmp2, Register tmp3);
    void compare_and_set_c2(const MachNode* node, MacroAssembler* masm, Register res, Register addr, Register oldval,