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1 /* |
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2 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #ifndef SHARE_VM_JFR_LEAKPROFILER_CHECKPOINT_ROOTRESOLVER_HPP |
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26 #define SHARE_VM_JFR_LEAKPROFILER_CHECKPOINT_ROOTRESOLVER_HPP |
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27 |
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28 #include "memory/allocation.hpp" |
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29 #include "jfr/leakprofiler/utilities/rootType.hpp" |
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30 #include "oops/oopsHierarchy.hpp" |
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31 |
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32 struct RootCallbackInfo { |
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33 const void* _high; |
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34 const void* _low; |
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35 const void* _context; |
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36 OldObjectRoot::System _system; |
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37 OldObjectRoot::Type _type; |
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38 }; |
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39 |
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40 class RootCallback { |
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41 public: |
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42 virtual bool process(const RootCallbackInfo& info) = 0; |
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43 virtual int entries() const = 0; |
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44 virtual const void* at(int idx) const = 0; |
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45 }; |
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46 |
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47 class RootResolver : public AllStatic { |
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48 public: |
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49 static void resolve(RootCallback& callback); |
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50 }; |
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51 |
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52 #endif // SHARE_VM_JFR_LEAKPROFILER_CHECKPOINT_ROOTRESOLVER_HPP |