projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| 93a37866 A |
1 | /* |
| 2 | * Copyright (C) 2012 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. ``AS IS'' AND ANY | |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 | */ | |
| 25 | ||
| 26 | #ifndef JITStubRoutineSet_h | |
| 27 | #define JITStubRoutineSet_h | |
| 28 | ||
| 29 | #include <wtf/Platform.h> | |
| 30 | ||
| 31 | #include "JITStubRoutine.h" | |
| 32 | #include <wtf/FastAllocBase.h> | |
| 33 | #include <wtf/HashMap.h> | |
| 34 | #include <wtf/Vector.h> | |
| 35 | ||
| 36 | namespace JSC { | |
| 37 | ||
| 38 | class GCAwareJITStubRoutine; | |
| 39 | class SlotVisitor; | |
| 40 | ||
| 41 | #if ENABLE(JIT) | |
| 42 | ||
| 43 | class JITStubRoutineSet { | |
| 44 | WTF_MAKE_NONCOPYABLE(JITStubRoutineSet); | |
| 45 | WTF_MAKE_FAST_ALLOCATED; | |
| 46 | ||
| 47 | public: | |
| 48 | JITStubRoutineSet(); | |
| 49 | ~JITStubRoutineSet(); | |
| 50 | ||
| 51 | void add(GCAwareJITStubRoutine*); | |
| 52 | ||
| 53 | void clearMarks(); | |
| 54 | ||
| 55 | void mark(void* candidateAddress) | |
| 56 | { | |
| 57 | uintptr_t address = reinterpret_cast<uintptr_t>(candidateAddress); | |
| 58 | if (!JITStubRoutine::passesFilter(address)) | |
| 59 | return; | |
| 60 | ||
| 61 | markSlow(address); | |
| 62 | } | |
| 63 | ||
| 64 | void deleteUnmarkedJettisonedStubRoutines(); | |
| 65 | ||
| 66 | void traceMarkedStubRoutines(SlotVisitor&); | |
| 67 | ||
| 68 | unsigned size() const { return m_listOfRoutines.size(); } | |
| 69 | GCAwareJITStubRoutine* at(unsigned i) const { return m_listOfRoutines[i]; } | |
| 70 | ||
| 71 | private: | |
| 72 | void markSlow(uintptr_t address); | |
| 73 | ||
| 74 | HashMap<uintptr_t, GCAwareJITStubRoutine*> m_addressToRoutineMap; | |
| 75 | Vector<GCAwareJITStubRoutine*> m_listOfRoutines; | |
| 76 | }; | |
| 77 | ||
| 78 | #else // !ENABLE(JIT) | |
| 79 | ||
| 80 | class JITStubRoutineSet { | |
| 81 | WTF_MAKE_NONCOPYABLE(JITStubRoutineSet); | |
| 82 | WTF_MAKE_FAST_ALLOCATED; | |
| 83 | ||
| 84 | public: | |
| 85 | JITStubRoutineSet() { } | |
| 86 | ~JITStubRoutineSet() { } | |
| 87 | ||
| 88 | void add(GCAwareJITStubRoutine*) { } | |
| 89 | void clearMarks() { } | |
| 90 | void mark(void*) { } | |
| 91 | void deleteUnmarkedJettisonedStubRoutines() { } | |
| 92 | void traceMarkedStubRoutines(SlotVisitor&) { } | |
| 93 | }; | |
| 94 | ||
| 95 | #endif // !ENABLE(JIT) | |
| 96 | ||
| 97 | } // namespace JSC | |
| 98 | ||
| 99 | #endif // JITStubRoutineSet_h | |
| 100 |