michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0:  *
michael@0:  * Copyright (C) 2008 Apple Inc. All rights reserved.
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  * 1. Redistributions of source code must retain the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer.
michael@0:  * 2. Redistributions in binary form must reproduce the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer in the
michael@0:  *    documentation and/or other materials provided with the distribution.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
michael@0:  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
michael@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
michael@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
michael@0:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
michael@0:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
michael@0:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
michael@0:  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
michael@0:  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0:  */
michael@0: 
michael@0: #include "assembler/jit/ExecutableAllocator.h"
michael@0: 
michael@0: #include "js/MemoryMetrics.h"
michael@0: 
michael@0: #if ENABLE_ASSEMBLER
michael@0: 
michael@0: namespace JSC {
michael@0: 
michael@0: size_t ExecutableAllocator::pageSize = 0;
michael@0: size_t ExecutableAllocator::largeAllocSize = 0;
michael@0: 
michael@0: ExecutablePool::~ExecutablePool()
michael@0: {
michael@0:     MOZ_ASSERT(m_ionCodeBytes == 0);
michael@0:     MOZ_ASSERT(m_baselineCodeBytes == 0);
michael@0:     MOZ_ASSERT(m_regexpCodeBytes == 0);
michael@0:     MOZ_ASSERT(m_otherCodeBytes == 0);
michael@0: 
michael@0:     m_allocator->releasePoolPages(this);
michael@0: }
michael@0: 
michael@0: void
michael@0: ExecutableAllocator::addSizeOfCode(JS::CodeSizes *sizes) const
michael@0: {
michael@0:     if (m_pools.initialized()) {
michael@0:         for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) {
michael@0:             ExecutablePool* pool = r.front();
michael@0:             sizes->ion      += pool->m_ionCodeBytes;
michael@0:             sizes->baseline += pool->m_baselineCodeBytes;
michael@0:             sizes->regexp   += pool->m_regexpCodeBytes;
michael@0:             sizes->other    += pool->m_otherCodeBytes;
michael@0:             sizes->unused   += pool->m_allocation.size - pool->m_ionCodeBytes
michael@0:                                                        - pool->m_baselineCodeBytes
michael@0:                                                        - pool->m_regexpCodeBytes
michael@0:                                                        - pool->m_otherCodeBytes;
michael@0:         }
michael@0:     }
michael@0: }
michael@0: 
michael@0: void
michael@0: ExecutableAllocator::toggleAllCodeAsAccessible(bool accessible)
michael@0: {
michael@0:     if (!m_pools.initialized())
michael@0:         return;
michael@0: 
michael@0:     for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) {
michael@0:         ExecutablePool* pool = r.front();
michael@0:         pool->toggleAllCodeAsAccessible(accessible);
michael@0:     }
michael@0: }
michael@0: 
michael@0: bool
michael@0: ExecutableAllocator::codeContains(char* address)
michael@0: {
michael@0:     if (!m_pools.initialized())
michael@0:         return false;
michael@0: 
michael@0:     for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) {
michael@0:         ExecutablePool* pool = r.front();
michael@0:         if (pool->codeContains(address))
michael@0:             return true;
michael@0:     }
michael@0: 
michael@0:     return false;
michael@0: }
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif // HAVE(ASSEMBLER)