1 /*
   2  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef CPU_AARCH64_VM_INTERPRETER_AARCH64_HPP
  27 #define CPU_AARCH64_VM_INTERPRETER_AARCH64_HPP
  28 
  29  public:
  30 
  31   // Offset from rsp (which points to the last stack element)
  32   static int expr_offset_in_bytes(int i) { return stackElementSize * i; }
  33 
  34   // Stack index relative to tos (which points at value)
  35   static int expr_index_at(int i)        { return stackElementWords * i; }
  36 
  37   // Already negated by c++ interpreter
  38   static int local_index_at(int i) {
  39     assert(i <= 0, "local direction already negated");
  40     return stackElementWords * i;
  41   }
  42 
  43 #endif // CPU_AARCH64_VM_INTERPRETER_AARCH64_HPP