hotspot/src/share/vm/services/allocationSite.hpp
author coleenp
Tue, 10 Feb 2015 15:10:47 -0500
changeset 28953 75f0bfa6ea14
parent 25946 1572c9f03fb9
permissions -rw-r--r--
8068451: Kitchensink fails with assert(_size >= sz) failed: Negative size Summary: Need ThreadCritical lock around chunk pool cleaning and copying for snapshot Reviewed-by: lfoltan, gtriantafill, hseigel
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/*
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 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
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#define SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
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#include "memory/allocation.hpp"
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#include "utilities/nativeCallStack.hpp"
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// Allocation site represents a code path that makes a memory
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// allocation
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template <class E> class AllocationSite VALUE_OBJ_CLASS_SPEC {
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 private:
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  NativeCallStack  _call_stack;
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  E                e;
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 public:
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  AllocationSite(const NativeCallStack& stack) : _call_stack(stack) { }
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  int hash() const { return _call_stack.hash(); }
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  bool equals(const NativeCallStack& stack) const {
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    return _call_stack.equals(stack);
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  }
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  bool equals(const AllocationSite<E>& other) const {
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    return other.equals(_call_stack);
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  }
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  const NativeCallStack* call_stack() const {
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    return &_call_stack;
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  }
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  // Information regarding this allocation
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  E* data()             { return &e; }
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  const E* peek() const { return &e; }
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};
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#endif  // SHARE_VM_SERVICES_ALLOCATION_SITE_HPP