--- /dev/null	2018-09-25 19:25:03.000000000 +0300
+++ new/src/hotspot/cpu/aarch32/interp_masm_aarch32.hpp	2018-09-25 19:25:03.000000000 +0300
@@ -0,0 +1,300 @@
+/*
+ * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2015, Red Hat Inc. All rights reserved.
+ * Copyright (c) 2015, Linaro Ltd. All rights reserved.
+ * Copyright (c) 2015-2018, Azul Systems, Inc. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef CPU_AARCH32_VM_INTERP_MASM_AARCH32_64_HPP
+#define CPU_AARCH32_VM_INTERP_MASM_AARCH32_64_HPP
+
+#include "asm/macroAssembler.hpp"
+#include "interpreter/invocationCounter.hpp"
+#include "runtime/frame.hpp"
+
+// This file specializes the assember with interpreter-specific macros
+
+typedef ByteSize (*OffsetFunction)(uint);
+
+class InterpreterMacroAssembler: public MacroAssembler {
+ protected:
+  // Interpreter specific version of call_VM_base
+  using MacroAssembler::call_VM_leaf_base;
+
+ public:
+  virtual void call_VM_leaf_base(address entry_point,
+                                 int number_of_arguments,
+                                 Label *retaddr = NULL);
+ protected:
+  virtual void call_VM_base(Register oop_result,
+                            Register java_thread,
+                            Register last_java_sp,
+                            address  entry_point,
+                            int number_of_arguments,
+                            bool check_exceptions);
+
+  // base routine for all dispatches
+  void dispatch_base(TosState state, address* table,
+                     bool verifyoop = true, bool generate_poll = false);
+
+ public:
+  InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code) {}
+
+  void load_earlyret_value(TosState state);
+
+  void jump_to_entry(address entry);
+
+  virtual void check_and_handle_popframe(Register java_thread);
+  virtual void check_and_handle_earlyret(Register java_thread);
+
+  // Interpreter-specific registers
+  void save_bcp() {
+    str(rbcp, Address(rfp, frame::get_interpreter_frame_bcp_offset() * wordSize));
+  }
+
+  void restore_bcp() {
+    ldr(rbcp, Address(rfp, frame::get_interpreter_frame_bcp_offset() * wordSize));
+  }
+
+  void restore_locals() {
+    ldr(rlocals, Address(rfp, frame::get_interpreter_frame_locals_offset() * wordSize));
+  }
+
+  void restore_constant_pool_cache() {
+    ldr(rcpool, Address(rfp, frame::get_interpreter_frame_cache_offset() * wordSize));
+  }
+
+  void get_dispatch();
+
+  // Helpers for runtime call arguments/results
+
+  void get_method(Register reg) {
+    ldr(reg, Address(rfp, frame::get_interpreter_frame_method_offset() * wordSize));
+  }
+
+  void get_const(Register reg) {
+    get_method(reg);
+    ldr(reg, Address(reg, in_bytes(Method::const_offset())));
+  }
+
+  void get_constant_pool(Register reg) {
+    get_const(reg);
+    ldr(reg, Address(reg, in_bytes(ConstMethod::constants_offset())));
+  }
+
+  void get_constant_pool_cache(Register reg) {
+    get_constant_pool(reg);
+    ldr(reg, Address(reg, ConstantPool::cache_offset_in_bytes()));
+  }
+
+  void get_cpool_and_tags(Register cpool, Register tags) {
+    get_constant_pool(cpool);
+    ldr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes()));
+  }
+
+  void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
+  void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2));
+  void get_cache_and_index_and_bytecode_at_bcp(Register cache, Register index, Register bytecode, int byte_no, int bcp_offset, size_t index_size = sizeof(u2));
+  void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2));
+  void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
+  void get_method_counters(Register method, Register mcs, Label& skip);
+
+  // load cpool->resolved_references(index);
+  void load_resolved_reference_at_index(Register result, Register index, Register tmp = r5);
+
+  // load cpool->resolved_klass_at(index);
+  void load_resolved_klass_at_offset(Register cpool, Register index, Register klass, Register temp);
+
+  void pop_ptr(Register r = r0);
+  void pop_i(Register r = r0);
+  void pop_l(Register rLo = r0, Register rHi = r1);
+  void push_ptr(Register r = r0);
+  void push_i(Register r = r0);
+  void push_l(Register rLo = r0, Register rHi = r1);
+
+  void push_f(FloatRegister r = d0);
+  void push_d(FloatRegister r = d0);
+  void pop_f(FloatRegister r = d0);
+  void pop_d(FloatRegister r = d0);
+
+
+  void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
+
+  void push(Register r ) { ((MacroAssembler*)this)->push(r); }
+
+  void pop(TosState state); // transition vtos -> state
+  void push(TosState state); // transition state -> vtos
+
+  void pop(RegSet regs, Register stack) { ((MacroAssembler*)this)->pop(regs, stack); }
+  void push(RegSet regs, Register stack) { ((MacroAssembler*)this)->push(regs, stack); }
+
+  void empty_expression_stack() {
+    ldr(sp, Address(rfp, frame::get_interpreter_frame_monitor_block_top_offset() * wordSize));
+    // NULL last_sp until next java call
+    mov(rscratch1, 0);
+    str(rscratch1, Address(rfp, frame::get_interpreter_frame_last_sp_offset() * wordSize));
+  }
+
+  // Helpers for swap and dup
+  void load_ptr(int n, Register val);
+  void store_ptr(int n, Register val);
+
+  // Load ftos/dtos from given address
+  void load_float(Address src);
+  void load_double(Address src);
+  
+  // Generate a subtype check: branch to ok_is_subtype if sub_klass is
+  // a subtype of super_klass.
+  void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
+
+  // Dispatching
+  void dispatch_prolog(TosState state, int step = 0);
+  void dispatch_epilog(TosState state, int step = 0);
+  // dispatch via rscratch1
+  void dispatch_only(TosState state, bool generate_poll = false);
+  // dispatch normal table via rscratch1 (assume rscratch1 is loaded already)
+  void dispatch_only_normal(TosState state);
+  void dispatch_only_noverify(TosState state);
+  // load rscratch1 from [rbcp + step] and dispatch via rscratch1
+  void dispatch_next(TosState state, int step = 0, bool generate_poll = false);
+  // load rscratch1 from [esi] and dispatch via rscratch1 and table
+  void dispatch_via (TosState state, address* table);
+
+  // jump to an invoked target
+  void prepare_to_jump_from_interpreted();
+  void jump_from_interpreted(Register method, Register temp);
+
+
+  // Returning from interpreted functions
+  //
+  // Removes the current activation (incl. unlocking of monitors)
+  // and sets up the return address.  This code is also used for
+  // exception unwindwing. In that case, we do not want to throw
+  // IllegalMonitorStateExceptions, since that might get us into an
+  // infinite rethrow exception loop.
+  // Additionally this code is used for popFrame and earlyReturn.
+  // In popFrame case we want to skip throwing an exception,
+  // installing an exception, and notifying jvmdi.
+  // In earlyReturn case we only want to skip throwing an exception
+  // and installing an exception.
+  void remove_activation(TosState state,
+                         bool throw_monitor_exception = true,
+                         bool install_monitor_exception = true,
+                         bool notify_jvmdi = true);
+
+  // FIXME: Give us a valid frame at a null check.
+  virtual void null_check(Register reg, int offset = -1) {
+// #ifdef ASSERT
+//     save_bcp();
+//     set_last_Java_frame(sp, rfp, (address) pc());
+// #endif
+    MacroAssembler::null_check(reg, offset);
+// #ifdef ASSERT
+//     reset_last_Java_frame(true);
+// #endif
+  }
+
+  // Object locking
+  void lock_object  (Register lock_reg);
+  void unlock_object(Register lock_reg);
+
+  // Interpreter profiling operations
+  void set_method_data_pointer_for_bcp();
+  void test_method_data_pointer(Register mdp, Label& zero_continue);
+  void verify_method_data_pointer();
+
+  void set_mdp_data_at(Register mdp_in, int constant, Register value);
+  void increment_mdp_data_at(Address data, bool decrement = false);
+  void increment_mdp_data_at(Register mdp_in, int constant,
+                             bool decrement = false);
+  void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
+                             bool decrement = false);
+  void increment_mask_and_jump(Address counter_addr,
+                               int increment, Address mask,
+                               Register scratch, Register scratch2,
+                               bool preloaded, Condition cond,
+                               Label* where);
+  void set_mdp_flag_at(Register mdp_in, int flag_constant);
+  void test_mdp_data_at(Register mdp_in, int offset, Register value,
+                        Register test_value_out,
+                        Label& not_equal_continue);
+
+  void record_klass_in_profile(Register receiver, Register mdp,
+                               Register reg2, bool is_virtual_call);
+  void record_klass_in_profile_helper(Register receiver, Register mdp,
+                                      Register reg2, int start_row,
+                                      Label& done, bool is_virtual_call);
+  void record_item_in_profile_helper(Register item, Register mdp,
+                                     Register reg2, int start_row, Label& done, int total_rows,
+                                     OffsetFunction item_offset_fn, OffsetFunction item_count_offset_fn,
+                                     int non_profiled_offset);
+
+  void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
+  void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
+  void update_mdp_by_constant(Register mdp_in, int constant);
+  void update_mdp_for_ret(Register return_bci);
+
+  // narrow int return value
+  void narrow(Register result);
+
+  void profile_taken_branch(Register mdp, Register bumped_count);
+  void profile_not_taken_branch(Register mdp);
+  void profile_call(Register mdp);
+  void profile_final_call(Register mdp);
+  void profile_virtual_call(Register receiver, Register mdp,
+                            Register scratch2,
+                            bool receiver_can_be_null = false);
+  void profile_called_method(Register method, Register mdp, Register reg2) NOT_JVMCI_RETURN;
+  void profile_ret(Register return_bci, Register mdp);
+  void profile_null_seen(Register mdp);
+  void profile_typecheck(Register mdp, Register klass, Register scratch);
+  void profile_typecheck_failed(Register mdp);
+  void profile_switch_default(Register mdp);
+  void profile_switch_case(Register index_in_scratch, Register mdp,
+                           Register scratch2);
+
+  void profile_obj_type(Register obj, const Address& mdo_addr);
+  void profile_arguments_type(Register mdp, Register callee, Register tmp, bool is_virtual);
+  void profile_return_type(Register mdp, Register ret, Register tmp);
+  void profile_parameters_type(Register mdp, Register tmp1, Register tmp2);
+
+  // Debugging
+  // only if +VerifyOops && state == atos
+  void verify_oop(Register reg, TosState state = atos);
+  // only if +VerifyFPU  && (state == ftos || state == dtos)
+  void verify_FPU(int stack_depth, TosState state = ftos);
+
+  typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
+
+  // support for jvmti/dtrace
+  void notify_method_entry();
+  void notify_method_exit(TosState state, NotifyMethodExitMode mode);
+
+  virtual void _call_Unimplemented(address call_site) {
+    save_bcp();
+    set_last_Java_frame(sp, rfp, (address) pc(), rscratch1);
+    MacroAssembler::_call_Unimplemented(call_site);
+  }
+};
+
+#endif // CPU_AARCH32_VM_INTERP_MASM_AARCH32_64_HPP