js/src/assembler/jit/ExecutableAllocator.cpp@6474c204b198 (annotated)
js/src/assembler/jit/ExecutableAllocator.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * vim: set ts=8 sts=4 et sw=4 tw=99: |
| michael@0 | 3 | * |
| michael@0 | 4 | * Copyright (C) 2008 Apple Inc. All rights reserved. |
| michael@0 | 5 | * |
| michael@0 | 6 | * Redistribution and use in source and binary forms, with or without |
| michael@0 | 7 | * modification, are permitted provided that the following conditions |
| michael@0 | 8 | * are met: |
| michael@0 | 9 | * 1. Redistributions of source code must retain the above copyright |
| michael@0 | 10 | * notice, this list of conditions and the following disclaimer. |
| michael@0 | 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| michael@0 | 12 | * notice, this list of conditions and the following disclaimer in the |
| michael@0 | 13 | * documentation and/or other materials provided with the distribution. |
| michael@0 | 14 | * |
| michael@0 | 15 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| michael@0 | 16 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| michael@0 | 17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| michael@0 | 18 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| michael@0 | 19 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| michael@0 | 20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| michael@0 | 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| michael@0 | 22 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| michael@0 | 23 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| michael@0 | 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| michael@0 | 25 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 26 | */ |
| michael@0 | 27 | |
| michael@0 | 28 | #include "assembler/jit/ExecutableAllocator.h" |
| michael@0 | 29 | |
| michael@0 | 30 | #include "js/MemoryMetrics.h" |
| michael@0 | 31 | |
| michael@0 | 32 | #if ENABLE_ASSEMBLER |
| michael@0 | 33 | |
| michael@0 | 34 | namespace JSC { |
| michael@0 | 35 | |
| michael@0 | 36 | size_t ExecutableAllocator::pageSize = 0; |
| michael@0 | 37 | size_t ExecutableAllocator::largeAllocSize = 0; |
| michael@0 | 38 | |
| michael@0 | 39 | ExecutablePool::~ExecutablePool() |
| michael@0 | 40 | { |
| michael@0 | 41 | MOZ_ASSERT(m_ionCodeBytes == 0); |
| michael@0 | 42 | MOZ_ASSERT(m_baselineCodeBytes == 0); |
| michael@0 | 43 | MOZ_ASSERT(m_regexpCodeBytes == 0); |
| michael@0 | 44 | MOZ_ASSERT(m_otherCodeBytes == 0); |
| michael@0 | 45 | |
| michael@0 | 46 | m_allocator->releasePoolPages(this); |
| michael@0 | 47 | } |
| michael@0 | 48 | |
| michael@0 | 49 | void |
| michael@0 | 50 | ExecutableAllocator::addSizeOfCode(JS::CodeSizes *sizes) const |
| michael@0 | 51 | { |
| michael@0 | 52 | if (m_pools.initialized()) { |
| michael@0 | 53 | for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) { |
| michael@0 | 54 | ExecutablePool* pool = r.front(); |
| michael@0 | 55 | sizes->ion += pool->m_ionCodeBytes; |
| michael@0 | 56 | sizes->baseline += pool->m_baselineCodeBytes; |
| michael@0 | 57 | sizes->regexp += pool->m_regexpCodeBytes; |
| michael@0 | 58 | sizes->other += pool->m_otherCodeBytes; |
| michael@0 | 59 | sizes->unused += pool->m_allocation.size - pool->m_ionCodeBytes |
| michael@0 | 60 | - pool->m_baselineCodeBytes |
| michael@0 | 61 | - pool->m_regexpCodeBytes |
| michael@0 | 62 | - pool->m_otherCodeBytes; |
| michael@0 | 63 | } |
| michael@0 | 64 | } |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | void |
| michael@0 | 68 | ExecutableAllocator::toggleAllCodeAsAccessible(bool accessible) |
| michael@0 | 69 | { |
| michael@0 | 70 | if (!m_pools.initialized()) |
| michael@0 | 71 | return; |
| michael@0 | 72 | |
| michael@0 | 73 | for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) { |
| michael@0 | 74 | ExecutablePool* pool = r.front(); |
| michael@0 | 75 | pool->toggleAllCodeAsAccessible(accessible); |
| michael@0 | 76 | } |
| michael@0 | 77 | } |
| michael@0 | 78 | |
| michael@0 | 79 | bool |
| michael@0 | 80 | ExecutableAllocator::codeContains(char* address) |
| michael@0 | 81 | { |
| michael@0 | 82 | if (!m_pools.initialized()) |
| michael@0 | 83 | return false; |
| michael@0 | 84 | |
| michael@0 | 85 | for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) { |
| michael@0 | 86 | ExecutablePool* pool = r.front(); |
| michael@0 | 87 | if (pool->codeContains(address)) |
| michael@0 | 88 | return true; |
| michael@0 | 89 | } |
| michael@0 | 90 | |
| michael@0 | 91 | return false; |
| michael@0 | 92 | } |
| michael@0 | 93 | |
| michael@0 | 94 | } |
| michael@0 | 95 | |
| michael@0 | 96 | #endif // HAVE(ASSEMBLER) |
