JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
 * Copyright 2007, 2008, 2009, 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.
 *
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#ifndef CPU_ZERO_STUBROUTINES_ZERO_HPP
#define CPU_ZERO_STUBROUTINES_ZERO_HPP

  // This file holds the platform specific parts of the StubRoutines
  // definition. See stubRoutines.hpp for a description on how to
  // extend it.

 public:
  static address call_stub_return_pc() {
    return (address) -1;
  }

  static bool returns_to_call_stub(address return_pc) {
    return return_pc == call_stub_return_pc();
  }

  enum platform_dependent_constants {
    code_size1 = 0,      // The assembler will fail with a guarantee
    code_size2 = 0       // if these are too small.  Simply increase

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