projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| f9bf01c6 | 1 | /* |
| 81345200 | 2 | * Copyright (C) 2012, 2013 Apple Inc. All rights reserved. |
| f9bf01c6 A |
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 | ||
| 93a37866 A |
26 | #ifndef JITThunks_h |
| 27 | #define JITThunks_h | |
| 28 | ||
| 6fe7ccc8 | 29 | #if ENABLE(JIT) |
| f9bf01c6 | 30 | |
| 93a37866 A |
31 | #include "CallData.h" |
| 32 | #include "Intrinsic.h" | |
| 33 | #include "LowLevelInterpreter.h" | |
| 34 | #include "MacroAssemblerCodeRef.h" | |
| 35 | #include "ThunkGenerator.h" | |
| 36 | #include "Weak.h" | |
| 37 | #include "WeakInlines.h" | |
| 38 | #include <wtf/HashMap.h> | |
| 39 | #include <wtf/OwnPtr.h> | |
| 40 | #include <wtf/RefPtr.h> | |
| 81345200 | 41 | #include <wtf/ThreadingPrimitives.h> |
| f9bf01c6 A |
42 | |
| 43 | namespace JSC { | |
| 44 | ||
| 93a37866 A |
45 | class VM; |
| 46 | class NativeExecutable; | |
| 47 | ||
| 48 | class JITThunks { | |
| 49 | public: | |
| 50 | JITThunks(); | |
| 51 | ~JITThunks(); | |
| 52 | ||
| 53 | MacroAssemblerCodePtr ctiNativeCall(VM*); | |
| 54 | MacroAssemblerCodePtr ctiNativeConstruct(VM*); | |
| 81345200 | 55 | MacroAssemblerCodePtr ctiNativeTailCall(VM*); |
| 93a37866 A |
56 | |
| 57 | MacroAssemblerCodeRef ctiStub(VM*, ThunkGenerator); | |
| 58 | ||
| 59 | NativeExecutable* hostFunctionStub(VM*, NativeFunction, NativeFunction constructor); | |
| 60 | NativeExecutable* hostFunctionStub(VM*, NativeFunction, ThunkGenerator, Intrinsic); | |
| 61 | ||
| 62 | void clearHostFunctionStubs(); | |
| 63 | ||
| 64 | private: | |
| 81345200 A |
65 | // Main thread can hold this lock for a while, so use an adaptive mutex. |
| 66 | typedef Mutex Lock; | |
| 67 | typedef MutexLocker Locker; | |
| 68 | ||
| 93a37866 A |
69 | typedef HashMap<ThunkGenerator, MacroAssemblerCodeRef> CTIStubMap; |
| 70 | CTIStubMap m_ctiStubMap; | |
| 81345200 | 71 | typedef HashMap<std::pair<NativeFunction, NativeFunction>, Weak<NativeExecutable>> HostFunctionStubMap; |
| 93a37866 | 72 | OwnPtr<HostFunctionStubMap> m_hostFunctionStubMap; |
| 81345200 | 73 | Lock m_lock; |
| 93a37866 | 74 | }; |
| f9bf01c6 | 75 | |
| 6fe7ccc8 | 76 | } // namespace JSC |
| f9bf01c6 | 77 | |
| 6fe7ccc8 | 78 | #endif // ENABLE(JIT) |
| 93a37866 A |
79 | |
| 80 | #endif // JITThunks_h | |
| 81 |