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 | #include "config.h" | |
| 27 | #include "StructureStubClearingWatchpoint.h" | |
| 28 | ||
| 29 | #if ENABLE(JIT) | |
| 30 | ||
| 31 | #include "CodeBlock.h" | |
| 81345200 | 32 | #include "JSCInlines.h" |
| 93a37866 A |
33 | #include "StructureStubInfo.h" |
| 34 | ||
| 35 | namespace JSC { | |
| 36 | ||
| 37 | StructureStubClearingWatchpoint::~StructureStubClearingWatchpoint() { } | |
| 38 | ||
| 39 | StructureStubClearingWatchpoint* StructureStubClearingWatchpoint::push( | |
| 40 | WatchpointsOnStructureStubInfo& holder, | |
| 41 | OwnPtr<StructureStubClearingWatchpoint>& head) | |
| 42 | { | |
| 43 | head = adoptPtr(new StructureStubClearingWatchpoint(holder, head.release())); | |
| 44 | return head.get(); | |
| 45 | } | |
| 46 | ||
| 47 | void StructureStubClearingWatchpoint::fireInternal() | |
| 48 | { | |
| 49 | // This will implicitly cause my own demise: stub reset removes all watchpoints. | |
| 50 | // That works, because deleting a watchpoint removes it from the set's list, and | |
| 51 | // the set's list traversal for firing is robust against the set changing. | |
| 52 | m_holder.codeBlock()->resetStub(*m_holder.stubInfo()); | |
| 53 | } | |
| 54 | ||
| 55 | WatchpointsOnStructureStubInfo::~WatchpointsOnStructureStubInfo() | |
| 56 | { | |
| 57 | } | |
| 58 | ||
| 59 | StructureStubClearingWatchpoint* WatchpointsOnStructureStubInfo::addWatchpoint() | |
| 60 | { | |
| 61 | return StructureStubClearingWatchpoint::push(*this, m_head); | |
| 62 | } | |
| 63 | ||
| 64 | StructureStubClearingWatchpoint* WatchpointsOnStructureStubInfo::ensureReferenceAndAddWatchpoint( | |
| 65 | RefPtr<WatchpointsOnStructureStubInfo>& holderRef, CodeBlock* codeBlock, | |
| 66 | StructureStubInfo* stubInfo) | |
| 67 | { | |
| 68 | if (!holderRef) | |
| 69 | holderRef = adoptRef(new WatchpointsOnStructureStubInfo(codeBlock, stubInfo)); | |
| 70 | else { | |
| 71 | ASSERT(holderRef->m_codeBlock == codeBlock); | |
| 72 | ASSERT(holderRef->m_stubInfo == stubInfo); | |
| 73 | } | |
| 74 | ||
| 75 | return holderRef->addWatchpoint(); | |
| 76 | } | |
| 77 | ||
| 78 | } // namespace JSC | |
| 79 | ||
| 80 | #endif // ENABLE(JIT) | |
| 81 |