80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/*
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* Copyright (C) 2009, 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "BPlatform.h"
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// On Mac OS X, the VM subsystem allows tagging memory requested from mmap and vm_map
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// in order to aid tools that inspect system memory use.
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#if BOS(DARWIN)
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#include <mach/vm_statistics.h>
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#if defined(VM_MEMORY_TCMALLOC)
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#define VM_TAG_FOR_TCMALLOC_MEMORY VM_MAKE_TAG(VM_MEMORY_TCMALLOC)
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#else
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#define VM_TAG_FOR_TCMALLOC_MEMORY VM_MAKE_TAG(53)
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#endif // defined(VM_MEMORY_TCMALLOC)
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#if defined(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR)
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#define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR)
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#else
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#define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY VM_MAKE_TAG(64)
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#endif // defined(VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR)
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#if defined(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE)
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#define VM_TAG_FOR_ISOHEAP_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE)
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#else
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#define VM_TAG_FOR_ISOHEAP_MEMORY VM_MAKE_TAG(65)
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#endif // defined(VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE)
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#if defined(VM_MEMORY_JAVASCRIPT_CORE)
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#define VM_TAG_FOR_GIGACAGE_MEMORY VM_MAKE_TAG(VM_MEMORY_JAVASCRIPT_CORE)
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#else
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#define VM_TAG_FOR_GIGACAGE_MEMORY VM_MAKE_TAG(63)
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#endif // defined(VM_MEMORY_JAVASCRIPT_CORE)
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#else // BOS(DARWIN)
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#define VM_TAG_FOR_TCMALLOC_MEMORY -1
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#define VM_TAG_FOR_GIGACAGE_MEMORY -1
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#define VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY -1
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#define VM_TAG_FOR_ISOHEAP_MEMORY -1
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#endif // BOS(DARWIN)
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namespace bmalloc {
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enum class VMTag {
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Unknown = -1,
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Malloc = VM_TAG_FOR_TCMALLOC_MEMORY,
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IsoHeap = VM_TAG_FOR_ISOHEAP_MEMORY,
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JSJITCode = VM_TAG_FOR_EXECUTABLEALLOCATOR_MEMORY,
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JSGigacage = VM_TAG_FOR_GIGACAGE_MEMORY,
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};
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} // namespace bmalloc
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