| /* |
| * Copyright (C) 2017-2018 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "JSCPoison.h" |
| |
| #include "Options.h" |
| #include <mutex> |
| #include <wtf/HashSet.h> |
| |
| namespace JSC { |
| |
| #define DEFINE_POISON(poisonID) \ |
| uintptr_t POISON_KEY_NAME(poisonID); |
| FOR_EACH_JSC_POISON(DEFINE_POISON) |
| |
| void initializePoison() |
| { |
| static std::once_flag initializeOnceFlag; |
| std::call_once(initializeOnceFlag, [] { |
| if (!Options::usePoisoning()) |
| return; |
| |
| #define INITIALIZE_POISON(poisonID) \ |
| POISON_KEY_NAME(poisonID) = makePoison(); |
| |
| FOR_EACH_JSC_POISON(INITIALIZE_POISON) |
| }); |
| } |
| |
| } // namespace JSC |
| |