--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/cpu/arm/frame_arm.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2008, 2016, Oracle and/or its affiliates. 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_ARM_VM_FRAME_ARM_HPP
+#define CPU_ARM_VM_FRAME_ARM_HPP
+
+#include "runtime/synchronizer.hpp"
+
+ public:
+  enum {
+    pc_return_offset                                 =  0,
+    // All frames
+    link_offset                                      =  0,
+    return_addr_offset                               =  1,
+    // non-interpreter frames
+    sender_sp_offset                                 =  2,
+
+    // Interpreter frames
+#ifdef AARCH64
+    interpreter_frame_gp_saved_result_offset         =  4, // for native calls only
+    interpreter_frame_fp_saved_result_offset         =  3, // for native calls only
+#endif
+    interpreter_frame_oop_temp_offset                =  2, // for native calls only
+
+    interpreter_frame_sender_sp_offset               = -1,
+#ifdef AARCH64
+    interpreter_frame_stack_top_offset               = interpreter_frame_sender_sp_offset - 1,
+    interpreter_frame_extended_sp_offset             = interpreter_frame_stack_top_offset - 1,
+    interpreter_frame_method_offset                  = interpreter_frame_extended_sp_offset - 1,
+#else
+    // outgoing sp before a call to an invoked method
+    interpreter_frame_last_sp_offset                 = interpreter_frame_sender_sp_offset - 1,
+    interpreter_frame_method_offset                  = interpreter_frame_last_sp_offset - 1,
+#endif // AARCH64
+    interpreter_frame_mirror_offset                  = interpreter_frame_method_offset - 1,
+    interpreter_frame_mdp_offset                     = interpreter_frame_mirror_offset - 1,
+    interpreter_frame_cache_offset                   = interpreter_frame_mdp_offset - 1,
+    interpreter_frame_locals_offset                  = interpreter_frame_cache_offset - 1,
+    interpreter_frame_bcp_offset                     = interpreter_frame_locals_offset - 1,
+    interpreter_frame_initial_sp_offset              = interpreter_frame_bcp_offset - 1,
+
+    interpreter_frame_monitor_block_top_offset       = interpreter_frame_initial_sp_offset,
+    interpreter_frame_monitor_block_bottom_offset    = interpreter_frame_initial_sp_offset,
+
+    // Entry frames
+    entry_frame_call_wrapper_offset                  =  AARCH64_ONLY(2) NOT_AARCH64(0)
+  };
+
+  intptr_t ptr_at(int offset) const {
+    return *ptr_at_addr(offset);
+  }
+
+  void ptr_at_put(int offset, intptr_t value) {
+    *ptr_at_addr(offset) = value;
+  }
+
+ private:
+  // an additional field beyond _sp and _pc:
+  intptr_t* _fp; // frame pointer
+  // The interpreter and adapters will extend the frame of the caller.
+  // Since oopMaps are based on the sp of the caller before extension
+  // we need to know that value. However in order to compute the address
+  // of the return address we need the real "raw" sp. Since sparc already
+  // uses sp() to mean "raw" sp and unextended_sp() to mean the caller's
+  // original sp we use that convention.
+
+  intptr_t* _unextended_sp;
+  void adjust_unextended_sp();
+
+  intptr_t* ptr_at_addr(int offset) const {
+    return (intptr_t*) addr_at(offset);
+  }
+
+#ifdef ASSERT
+  // Used in frame::sender_for_{interpreter,compiled}_frame
+  static void verify_deopt_original_pc(   CompiledMethod* nm, intptr_t* unextended_sp, bool is_method_handle_return = false);
+  static void verify_deopt_mh_original_pc(CompiledMethod* nm, intptr_t* unextended_sp) {
+    verify_deopt_original_pc(nm, unextended_sp, true);
+  }
+#endif
+
+ public:
+  // Constructors
+
+  frame(intptr_t* sp, intptr_t* fp, address pc);
+
+  frame(intptr_t* sp, intptr_t* unextended_sp, intptr_t* fp, address pc);
+
+#ifndef AARCH64
+  frame(intptr_t* sp, intptr_t* fp);
+#endif // !AARCH64
+
+  void init(intptr_t* sp, intptr_t* fp, address pc);
+
+  // accessors for the instance variables
+  // Note: not necessarily the real 'frame pointer' (see real_fp)
+  intptr_t* fp() const { return _fp; }
+
+  inline address* sender_pc_addr() const;
+
+#ifdef AARCH64
+  // Used by template based interpreter deoptimization
+  void interpreter_frame_set_stack_top(intptr_t* stack_top);
+  void interpreter_frame_set_extended_sp(intptr_t* sp);
+
+#else
+  // expression stack tos if we are nested in a java call
+  intptr_t* interpreter_frame_last_sp() const;
+
+  // deoptimization support
+  void interpreter_frame_set_last_sp(intptr_t* sp);
+#endif // AARCH64
+
+  // helper to update a map with callee-saved FP
+  static void update_map_with_saved_link(RegisterMap* map, intptr_t** link_addr);
+
+#endif // CPU_ARM_VM_FRAME_ARM_HPP