view src/share/vm/ci/ciObjArrayKlass.hpp @ 6972:bd7a7ce2e264

6830717: replay of compilations would help with debugging Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method. Reviewed-by: kvn, twisti, sspitsyn Contributed-by: yumin.qi@oracle.com
author minqi
date Mon, 12 Nov 2012 14:03:53 -0800
parents d8ce2825b193
children d13d7aba8c12
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/*
 * Copyright (c) 1999, 2012, 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 SHARE_VM_CI_CIOBJARRAYKLASS_HPP
#define SHARE_VM_CI_CIOBJARRAYKLASS_HPP

#include "ci/ciArrayKlass.hpp"

// ciObjArrayKlass
//
// This class represents a Klass* in the HotSpot virtual machine
// whose Klass part is an ObjArrayKlass.
class ciObjArrayKlass : public ciArrayKlass {
  CI_PACKAGE_ACCESS
  friend class ciEnv;

private:
  ciKlass* _element_klass;
  ciKlass* _base_element_klass;

protected:
  ciObjArrayKlass(KlassHandle h_k);
  ciObjArrayKlass(ciSymbol* array_name,
                  ciKlass* base_element_klass,
                  int dimension);

  ObjArrayKlass* get_ObjArrayKlass() {
    return (ObjArrayKlass*)get_Klass();
  }

  static ciObjArrayKlass* make_impl(ciKlass* element_klass);
  static ciSymbol* construct_array_name(ciSymbol* element_name,
                                        int       dimension);

  const char* type_string() { return "ciObjArrayKlass"; }

  oop     loader()        { return _base_element_klass->loader(); }
  jobject loader_handle() { return _base_element_klass->loader_handle(); }

  oop     protection_domain()        { return _base_element_klass->protection_domain(); }
  jobject protection_domain_handle() { return _base_element_klass->protection_domain_handle(); }


public:
  // The one-level type of the array elements.
  ciKlass* element_klass();

  // The innermost type of the array elements.
  ciKlass* base_element_klass() { return _base_element_klass; }

  // What kind of ciObject is this?
  bool is_obj_array_klass() const { return true; }

  static ciObjArrayKlass* make(ciKlass* element_klass);
};

#endif // SHARE_VM_CI_CIOBJARRAYKLASS_HPP