blob: ee51fbb8dde0d6274bfd6bbcac1b8b28f16019ad [file] [log] [blame]
/*
* 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. AND ITS CONTRIBUTORS ``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 ITS 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 PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <array>
#include <wtf/Forward.h>
namespace WTF {
#if PLATFORM(COCOA)
struct TagInfo {
WTF_MAKE_STRUCT_FAST_ALLOCATED;
size_t regionCount { 0 };
size_t dirty { 0 };
size_t reclaimable { 0 };
size_t reserved { 0 };
};
WTF_EXPORT_PRIVATE ASCIILiteral displayNameForVMTag(unsigned);
WTF_EXPORT_PRIVATE size_t vmPageSize();
WTF_EXPORT_PRIVATE std::array<TagInfo, 256> pagesPerVMTag();
WTF_EXPORT_PRIVATE void logFootprintComparison(const std::array<TagInfo, 256>&, const std::array<TagInfo, 256>&);
#endif
}
#if PLATFORM(COCOA)
using WTF::TagInfo;
using WTF::displayNameForVMTag;
using WTF::vmPageSize;
using WTF::pagesPerVMTag;
#endif