src/hotspot/share/nmt/allocationSite.hpp

/*
 * Copyright (c) 2014, 2024, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_NMT_ALLOCATIONSITE_HPP
#define SHARE_NMT_ALLOCATIONSITE_HPP

#include "nmt/memTag.hpp"
#include "utilities/nativeCallStack.hpp"

// Allocation site represents a code path that makes a memory
// allocation
class AllocationSite {
 private:
  const NativeCallStack  _call_stack;
  const MemTag           _mem_tag;
 public:
  AllocationSite(const NativeCallStack& stack, MemTag mem_tag) : _call_stack(stack), _mem_tag(mem_tag) { }

  bool equals(const NativeCallStack& stack) const {
    return _call_stack.equals(stack);
  }

  bool equals(const AllocationSite& other) const {
    return other.equals(_call_stack);
  }

  const NativeCallStack* call_stack() const {
    return &_call_stack;
  }

  MemTag mem_tag() const { return _mem_tag; }
};

#endif // SHARE_NMT_ALLOCATIONSITE_HPP