diff -r 376792a6e9da -r 6a880e576856 src/hotspot/cpu/aarch64/gc/g1/g1BarrierSetAssembler_aarch64.hpp
--- a/src/hotspot/cpu/aarch64/gc/g1/g1BarrierSetAssembler_aarch64.hpp	Wed Apr 11 10:05:02 2018 -0400
+++ b/src/hotspot/cpu/aarch64/gc/g1/g1BarrierSetAssembler_aarch64.hpp	Wed Apr 11 16:07:42 2018 +0200
@@ -34,6 +34,28 @@
                                        Register addr, Register count, RegSet saved_regs);
   void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
                                         Register start, Register end, Register tmp, RegSet saved_regs);
+
+  void g1_write_barrier_pre(MacroAssembler* masm,
+                            Register obj,
+                            Register pre_val,
+                            Register thread,
+                            Register tmp,
+                            bool tosca_live,
+                            bool expand_call);
+
+  void g1_write_barrier_post(MacroAssembler* masm,
+                             Register store_addr,
+                             Register new_val,
+                             Register thread,
+                             Register tmp,
+                             Register tmp2);
+
+  virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
+                            Address dst, Register val, Register tmp1, Register tmp2);
+
+public:
+  void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
+               Register dst, Address src, Register tmp1, Register tmp_thread);
 };
 
 #endif // CPU_AARCH64_GC_G1_G1BARRIERSETASSEMBLER_AARCH64_HPP