Source/JavaScriptCore/runtime/LeafExecutable.h

/*
 * Copyright (C) 2019 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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#pragma once

#include <wtf/HashMap.h>

namespace JSC {

class LeafExecutable;
class UnlinkedFunctionExecutable;

using LeafExecutableMap = HashMap<const UnlinkedFunctionExecutable*, LeafExecutable>;

class LeafExecutable {
public:
    LeafExecutable() = default;

    LeafExecutable(ptrdiff_t offset)
        : m_base(offset)
    {
    }

    ptrdiff_t base() const { return m_base; }
    LeafExecutable operator+(size_t) const;

private:
    ptrdiff_t m_base;
};

} // namespace JSC