blob: add2eb0449e0859648d92d570a853eceabcfbbb1 [file] [log] [blame]
/*
* Copyright (C) 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 "ICStatusUtils.h"
#include "CodeBlock.h"
#include "ExitFlag.h"
#include "UnlinkedCodeBlock.h"
namespace JSC {
ExitFlag hasBadCacheExitSite(CodeBlock* profiledBlock, unsigned bytecodeIndex)
{
#if ENABLE(DFG_JIT)
UnlinkedCodeBlock* unlinkedCodeBlock = profiledBlock->unlinkedCodeBlock();
ConcurrentJSLocker locker(unlinkedCodeBlock->m_lock);
auto exitFlag = [&] (ExitKind exitKind) -> ExitFlag {
auto withInlined = [&] (ExitingInlineKind inlineKind) -> ExitFlag {
return ExitFlag(unlinkedCodeBlock->hasExitSite(locker, DFG::FrequentExitSite(bytecodeIndex, exitKind, ExitFromAnything, inlineKind)), inlineKind);
};
return withInlined(ExitFromNotInlined) | withInlined(ExitFromInlined);
};
return exitFlag(BadCache) | exitFlag(BadConstantCache) | exitFlag(BadType);
#else
UNUSED_PARAM(profiledBlock);
UNUSED_PARAM(bytecodeIndex);
return ExitFlag();
#endif
}
} // namespace JSC