JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
 * Copyright 2008, 2010 Red Hat, Inc.
 * 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
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 */

#ifndef CPU_ZERO_FAKESTUBFRAME_ZERO_HPP
#define CPU_ZERO_FAKESTUBFRAME_ZERO_HPP

#include "stack_zero.hpp"

// |  ...               |
// +--------------------+  ------------------
// | frame_type         |       low addresses
// | next_frame         |      high addresses
// +--------------------+  ------------------
// |  ...               |

class FakeStubFrame : public ZeroFrame {
 private:
  FakeStubFrame() : ZeroFrame() {
    ShouldNotCallThis();
  }

 protected:
  enum Layout {
    header_words = jf_header_words
  };

 public:
  static FakeStubFrame *build(TRAPS);

 public:
  void identify_word(int   frame_index,

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