src/hotspot/cpu/aarch64/registerMap_aarch64.hpp
author zgu
Thu, 07 Nov 2019 09:41:22 -0500
changeset 58964 029d941c2e35
parent 53244 9807daeb47c4
permissions -rw-r--r--
8233796: Shenandoah is broken after 8233708 Reviewed-by: rkennke

/*
 * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2014, Red Hat 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_AARCH64_REGISTERMAP_AARCH64_HPP
#define CPU_AARCH64_REGISTERMAP_AARCH64_HPP

// machine-dependent implemention for register maps
  friend class frame;

 private:
  // This is the hook for finding a register in an "well-known" location,
  // such as a register block of a predetermined format.
  // Since there is none, we just return NULL.
  // See registerMap_sparc.hpp for an example of grabbing registers
  // from register save areas of a standard layout.
   address pd_location(VMReg reg) const {return NULL;}

  // no PD state to clear or copy:
  void pd_clear() {}
  void pd_initialize() {}
  void pd_initialize_from(const RegisterMap* map) {}

#endif // CPU_AARCH64_REGISTERMAP_AARCH64_HPP