1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/services/allocationSite.hpp Wed Aug 27 08:19:12 2014 -0400
1.3 @@ -0,0 +1,57 @@
1.4 +/*
1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
1.29 +#define SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
1.30 +
1.31 +#include "memory/allocation.hpp"
1.32 +#include "utilities/nativeCallStack.hpp"
1.33 +
1.34 +// Allocation site represents a code path that makes a memory
1.35 +// allocation
1.36 +template <class E> class AllocationSite VALUE_OBJ_CLASS_SPEC {
1.37 + private:
1.38 + NativeCallStack _call_stack;
1.39 + E e;
1.40 + public:
1.41 + AllocationSite(const NativeCallStack& stack) : _call_stack(stack) { }
1.42 + int hash() const { return _call_stack.hash(); }
1.43 + bool equals(const NativeCallStack& stack) const {
1.44 + return _call_stack.equals(stack);
1.45 + }
1.46 +
1.47 + bool equals(const AllocationSite<E>& other) const {
1.48 + return other.equals(_call_stack);
1.49 + }
1.50 +
1.51 + const NativeCallStack* call_stack() const {
1.52 + return &_call_stack;
1.53 + }
1.54 +
1.55 + // Information regarding this allocation
1.56 + E* data() { return &e; }
1.57 + const E* peek() const { return &e; }
1.58 +};
1.59 +
1.60 +#endif // SHARE_VM_SERVICES_ALLOCATION_SITE_HPP
