| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/3rdparty/masm/wtf/PageBlock.h |
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| Line | Source | Count |
|---|---|---|
| 1 | /* | - |
| 2 | * Copyright (C) 2010 Apple Inc. All rights reserved. | - |
| 3 | * | - |
| 4 | * Redistribution and use in source and binary forms, with or without | - |
| 5 | * modification, are permitted provided that the following conditions | - |
| 6 | * are met: | - |
| 7 | * 1. Redistributions of source code must retain the above copyright | - |
| 8 | * notice, this list of conditions and the following disclaimer. | - |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright | - |
| 10 | * notice, this list of conditions and the following disclaimer in the | - |
| 11 | * documentation and/or other materials provided with the distribution. | - |
| 12 | * | - |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | - |
| 14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | - |
| 15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | - |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | - |
| 17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | - |
| 18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | - |
| 19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | - |
| 20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | - |
| 21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | - |
| 22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | - |
| 23 | * THE POSSIBILITY OF SUCH DAMAGE. | - |
| 24 | */ | - |
| 25 | - | |
| 26 | #ifndef PageBlock_h | - |
| 27 | #define PageBlock_h | - |
| 28 | - | |
| 29 | namespace WTF { | - |
| 30 | - | |
| 31 | WTF_EXPORT_PRIVATE size_t pageSize(); | - |
| 32 | WTF_EXPORT_PRIVATE size_t pageMask(); | - |
| 33 | inline bool isPageAligned(void* address) { return !(reinterpret_cast<intptr_t>(address) & (pageSize() - 1)); } executed 997042 times by 153 tests: return !(reinterpret_cast<intptr_t>(address) & (pageSize() - 1));Executed by:
| 997042 |
| 34 | inline bool isPageAligned(size_t size) { return !(size & (pageSize() - 1)); } executed 1602856 times by 153 tests: return !(size & (pageSize() - 1));Executed by:
| 1602856 |
| 35 | inline bool isPowerOfTwo(size_t size) { return !(size & (size - 1)); } executed 14493198 times by 178 tests: return !(size & (size - 1));Executed by:
| 14493198 |
| 36 | - | |
| 37 | class PageBlock { | - |
| 38 | public: | - |
| 39 | PageBlock(); | - |
| 40 | PageBlock(const PageBlock&); | - |
| 41 | PageBlock(void*, size_t, bool hasGuardPages); | - |
| 42 | - | |
| 43 | void* realBase() const { return m_realBase; } executed 604600 times by 153 tests: return m_realBase;Executed by:
| 604600 |
| 44 | void* base() const { return m_base; } executed 743473 times by 153 tests: return m_base;Executed by:
| 743473 |
| 45 | size_t size() const | - |
| 46 | { | - |
| 47 | return m_size - 2 * (static_cast<char *>(m_base) - static_cast<char *>(m_realBase)); executed 296 times by 1 test: return m_size - 2 * (static_cast<char *>(m_base) - static_cast<char *>(m_realBase));Executed by:
| 296 |
| 48 | } | - |
| 49 | size_t realSize() const { return m_size; } executed 604501 times by 153 tests: return m_size;Executed by:
| 604501 |
| 50 | - | |
| 51 | operator bool() const { return !!m_realBase; } executed 2204771 times by 153 tests: return !!m_realBase;Executed by:
| 2204771 |
| 52 | - | |
| 53 | bool contains(void* containedBase, size_t containedSize) | - |
| 54 | { | - |
| 55 | return containedBase >= m_base executed 997766 times by 153 tests: return containedBase >= m_base && (static_cast<char*>(containedBase) + containedSize) <= (static_cast<char*>(m_base) + m_size);Executed by:
| 997766 |
| 56 | && (static_cast<char*>(containedBase) + containedSize) <= (static_cast<char*>(m_base) + m_size); executed 997766 times by 153 tests: return containedBase >= m_base && (static_cast<char*>(containedBase) + containedSize) <= (static_cast<char*>(m_base) + m_size);Executed by:
| 997766 |
| 57 | } | - |
| 58 | - | |
| 59 | private: | - |
| 60 | void* m_realBase; | - |
| 61 | void* m_base; | - |
| 62 | size_t m_size; | - |
| 63 | }; | - |
| 64 | - | |
| 65 | inline PageBlock::PageBlock() | - |
| 66 | : m_realBase(0) | - |
| 67 | , m_base(0) | - |
| 68 | , m_size(0) | - |
| 69 | { | - |
| 70 | } executed 1000846 times by 153 tests: end of blockExecuted by:
| 1000846 |
| 71 | - | |
| 72 | inline PageBlock::PageBlock(const PageBlock& other) | - |
| 73 | : m_realBase(other.m_realBase) | - |
| 74 | , m_base(other.m_base) | - |
| 75 | , m_size(other.m_size) | - |
| 76 | { | - |
| 77 | } executed 703644 times by 153 tests: end of blockExecuted by:
| 703644 |
| 78 | - | |
| 79 | inline PageBlock::PageBlock(void* base, size_t size, bool hasGuardPages) | - |
| 80 | : m_realBase(base) | - |
| 81 | , m_base(static_cast<char*>(base) + ((base && hasGuardPages) ? pageSize() : 0)) | - |
| 82 | , m_size(size) | - |
| 83 | { | - |
| 84 | } executed 605627 times by 153 tests: end of blockExecuted by:
| 605627 |
| 85 | - | |
| 86 | } // namespace WTF | - |
| 87 | - | |
| 88 | using WTF::pageSize; | - |
| 89 | using WTF::isPageAligned; | - |
| 90 | using WTF::isPageAligned; | - |
| 91 | using WTF::isPowerOfTwo; | - |
| 92 | - | |
| 93 | #endif // PageBlock_h | - |
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