zgu@7074: /*
zgu@7074:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
zgu@7074:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
zgu@7074:  *
zgu@7074:  * This code is free software; you can redistribute it and/or modify it
zgu@7074:  * under the terms of the GNU General Public License version 2 only, as
zgu@7074:  * published by the Free Software Foundation.
zgu@7074:  *
zgu@7074:  * This code is distributed in the hope that it will be useful, but WITHOUT
zgu@7074:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
zgu@7074:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
zgu@7074:  * version 2 for more details (a copy is included in the LICENSE file that
zgu@7074:  * accompanied this code).
zgu@7074:  *
zgu@7074:  * You should have received a copy of the GNU General Public License version
zgu@7074:  * 2 along with this work; if not, write to the Free Software Foundation,
zgu@7074:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
zgu@7074:  *
zgu@7074:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
zgu@7074:  * or visit www.oracle.com if you need additional information or have any
zgu@7074:  * questions.
zgu@7074:  *
zgu@7074:  */
zgu@7074: 
zgu@7074: #ifndef SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
zgu@7074: #define SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
zgu@7074: 
zgu@7074: #include "memory/allocation.hpp"
zgu@7074: #include "utilities/nativeCallStack.hpp"
zgu@7074: 
zgu@7074: // Allocation site represents a code path that makes a memory
zgu@7074: // allocation
zgu@7074: template <class E> class AllocationSite VALUE_OBJ_CLASS_SPEC {
zgu@7074:  private:
zgu@7074:   NativeCallStack  _call_stack;
zgu@7074:   E                e;
zgu@9778:   MEMFLAGS         _flag;
zgu@7074:  public:
zgu@9778:   AllocationSite(const NativeCallStack& stack, MEMFLAGS flag) : _call_stack(stack), _flag(flag) { }
zgu@7074:   int hash() const { return _call_stack.hash(); }
zgu@7074:   bool equals(const NativeCallStack& stack) const {
zgu@7074:     return _call_stack.equals(stack);
zgu@7074:   }
zgu@7074: 
zgu@7074:   bool equals(const AllocationSite<E>& other) const {
zgu@7074:     return other.equals(_call_stack);
zgu@7074:   }
zgu@7074: 
zgu@7074:   const NativeCallStack* call_stack() const {
zgu@7074:     return &_call_stack;
zgu@7074:   }
zgu@7074: 
zgu@7074:   // Information regarding this allocation
zgu@7074:   E* data()             { return &e; }
zgu@7074:   const E* peek() const { return &e; }
zgu@9778: 
zgu@9778:   MEMFLAGS flag() const { return _flag; }
zgu@7074: };
zgu@7074: 
zgu@7074: #endif  // SHARE_VM_SERVICES_ALLOCATION_SITE_HPP