mirror of
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75 lines
2.9 KiB
C++
75 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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*
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* Copyright (C) 2008 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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#include "jit/ExecutableAllocator.h"
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#include "js/MemoryMetrics.h"
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using namespace js::jit;
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ExecutablePool::~ExecutablePool()
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{
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MOZ_ASSERT(m_ionCodeBytes == 0);
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MOZ_ASSERT(m_baselineCodeBytes == 0);
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MOZ_ASSERT(m_regexpCodeBytes == 0);
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MOZ_ASSERT(m_otherCodeBytes == 0);
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m_allocator->releasePoolPages(this);
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}
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void
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ExecutableAllocator::addSizeOfCode(JS::CodeSizes* sizes) const
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{
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if (m_pools.initialized()) {
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for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) {
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ExecutablePool* pool = r.front();
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sizes->ion += pool->m_ionCodeBytes;
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sizes->baseline += pool->m_baselineCodeBytes;
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sizes->regexp += pool->m_regexpCodeBytes;
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sizes->other += pool->m_otherCodeBytes;
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sizes->unused += pool->m_allocation.size - pool->m_ionCodeBytes
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- pool->m_baselineCodeBytes
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- pool->m_regexpCodeBytes
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- pool->m_otherCodeBytes;
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}
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}
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}
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ExecutablePool::Allocation
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ExecutableAllocator::systemAlloc(size_t n)
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{
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void* allocation = AllocateExecutableMemory(n, ProtectionSetting::Executable);
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ExecutablePool::Allocation alloc = { reinterpret_cast<char*>(allocation), n };
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return alloc;
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}
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void
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ExecutableAllocator::systemRelease(const ExecutablePool::Allocation& alloc)
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{
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DeallocateExecutableMemory(alloc.pages, alloc.size);
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}
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