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