Revert "Imported WebKit commit 0dc6cd75e1d4836eaffbb520be96fac4847cc9d2 (http://svn.webkit.org/repository/webkit/trunk@131300)"

This reverts commit 5466563f4b5b6b86523e3f89bb7f77e5b5270c78.

Caused OOM issues on some CI machines :(

1 files changed, 0 insertions, 107 deletions

diff --git a/Source/JavaScriptCore/interpreter/JSStack.cpp b/Source/JavaScriptCore/interpreter/JSStack.cpp
deleted file mode 100644
index 5dd708a48..000000000
--- a/Source/JavaScriptCore/interpreter/JSStack.cpp
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright (C) 2008 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.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 "JSStack.h"
-
-#include "ConservativeRoots.h"
-#include "Interpreter.h"
-
-namespace JSC {
-
-static size_t committedBytesCount = 0;
-
-static Mutex& stackStatisticsMutex()
-{
-    DEFINE_STATIC_LOCAL(Mutex, staticMutex, ());
-    return staticMutex;
-}    
-    
-JSStack::~JSStack()
-{
-    void* base = m_reservation.base();
-    m_reservation.decommit(base, reinterpret_cast<intptr_t>(m_commitEnd) - reinterpret_cast<intptr_t>(base));
-    addToCommittedByteCount(-(reinterpret_cast<intptr_t>(m_commitEnd) - reinterpret_cast<intptr_t>(base)));
-    m_reservation.deallocate();
-}
-
-bool JSStack::growSlowCase(Register* newEnd)
-{
-    if (newEnd <= m_commitEnd) {
-        m_end = newEnd;
-        return true;
-    }
-
-    long delta = roundUpAllocationSize(reinterpret_cast<char*>(newEnd) - reinterpret_cast<char*>(m_commitEnd), commitSize);
-    if (reinterpret_cast<char*>(m_commitEnd) + delta > static_cast<char*>(m_reservation.base()) + m_reservation.size())
-        return false;
-
-    m_reservation.commit(m_commitEnd, delta);
-    addToCommittedByteCount(delta);
-    m_commitEnd = reinterpret_cast_ptr<Register*>(reinterpret_cast<char*>(m_commitEnd) + delta);
-    m_end = newEnd;
-    return true;
-}
-
-void JSStack::gatherConservativeRoots(ConservativeRoots& conservativeRoots)
-{
-    conservativeRoots.add(begin(), end());
-}
-
-void JSStack::gatherConservativeRoots(ConservativeRoots& conservativeRoots, JITStubRoutineSet& jitStubRoutines, DFGCodeBlocks& dfgCodeBlocks)
-{
-    conservativeRoots.add(begin(), end(), jitStubRoutines, dfgCodeBlocks);
-}
-
-void JSStack::releaseExcessCapacity()
-{
-    ptrdiff_t delta = reinterpret_cast<uintptr_t>(m_commitEnd) - reinterpret_cast<uintptr_t>(m_reservation.base());
-    m_reservation.decommit(m_reservation.base(), delta);
-    addToCommittedByteCount(-delta);
-    m_commitEnd = static_cast<Register*>(m_reservation.base());
-}
-
-void JSStack::initializeThreading()
-{
-    stackStatisticsMutex();
-}
-
-size_t JSStack::committedByteCount()
-{
-    MutexLocker locker(stackStatisticsMutex());
-    return committedBytesCount;
-}
-
-void JSStack::addToCommittedByteCount(long byteCount)
-{
-    MutexLocker locker(stackStatisticsMutex());
-    ASSERT(static_cast<long>(committedBytesCount) + byteCount > -1);
-    committedBytesCount += byteCount;
-}
-
-} // namespace JSC