webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 0 insertions, 121 deletions

diff --git a/Source/JavaScriptCore/ftl/FTLPatchpointExceptionHandle.cpp b/Source/JavaScriptCore/ftl/FTLPatchpointExceptionHandle.cpp
deleted file mode 100644
index 6dcc5ee87..000000000
--- a/Source/JavaScriptCore/ftl/FTLPatchpointExceptionHandle.cpp
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (C) 2016 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 "FTLPatchpointExceptionHandle.h"
-
-#if ENABLE(FTL_JIT)
-
-#include "B3StackmapGenerationParams.h"
-#include "FTLExceptionTarget.h"
-#include "FTLOSRExit.h"
-#include "FTLOSRExitHandle.h"
-#include "FTLState.h"
-
-namespace JSC { namespace FTL {
-
-using namespace DFG;
-
-RefPtr<PatchpointExceptionHandle> PatchpointExceptionHandle::create(
-    State& state, OSRExitDescriptor* descriptor, NodeOrigin origin, unsigned offset,
-    const HandlerInfo& handler)
-{
-    return adoptRef(new PatchpointExceptionHandle(state, descriptor, origin, offset, handler));
-}
-
-RefPtr<PatchpointExceptionHandle> PatchpointExceptionHandle::defaultHandle(State& state)
-{
-    if (!state.defaultExceptionHandle) {
-        state.defaultExceptionHandle = adoptRef(
-            new PatchpointExceptionHandle(state, nullptr, NodeOrigin(), 0, HandlerInfo()));
-    }
-    return state.defaultExceptionHandle;
-}
-
-PatchpointExceptionHandle::~PatchpointExceptionHandle()
-{
-}
-
-RefPtr<ExceptionTarget> PatchpointExceptionHandle::scheduleExitCreation(
-    const B3::StackmapGenerationParams& params)
-{
-    if (!m_descriptor) {
-        // NOTE: This object could be a singleton, however usually we toss the ExceptionHandler
-        // object shortly after creation.
-        bool isDefaultHandler = true;
-        return adoptRef(
-            new ExceptionTarget(isDefaultHandler, m_state.exceptionHandler, nullptr));
-    }
-    bool isDefaultHandler = false;
-    return adoptRef(new ExceptionTarget(isDefaultHandler, { }, createHandle(ExceptionCheck, params)));
-}
-
-void PatchpointExceptionHandle::scheduleExitCreationForUnwind(
-    const B3::StackmapGenerationParams& params, CallSiteIndex callSiteIndex)
-{
-    if (!m_descriptor)
-        return;
-    
-    RefPtr<OSRExitHandle> handle = createHandle(GenericUnwind, params);
-
-    handle->exit.m_exceptionHandlerCallSiteIndex = callSiteIndex;
-
-    HandlerInfo handler = m_handler;
-    params.addLatePath(
-        [handle, handler, callSiteIndex] (CCallHelpers& jit) {
-            CodeBlock* codeBlock = jit.codeBlock();
-            jit.addLinkTask(
-                [=] (LinkBuffer& linkBuffer) {
-                    HandlerInfo newHandler = handler;
-                    newHandler.start = callSiteIndex.bits();
-                    newHandler.end = callSiteIndex.bits() + 1;
-                    newHandler.nativeCode = linkBuffer.locationOf(handle->label);
-                    codeBlock->appendExceptionHandler(newHandler);
-                });
-        });
-}
-
-PatchpointExceptionHandle::PatchpointExceptionHandle(
-    State& state, OSRExitDescriptor* descriptor, NodeOrigin origin, unsigned offset,
-    const HandlerInfo& handler)
-    : m_state(state)
-    , m_descriptor(descriptor)
-    , m_origin(origin)
-    , m_offset(offset)
-    , m_handler(handler)
-{
-}
-
-RefPtr<OSRExitHandle> PatchpointExceptionHandle::createHandle(
-    ExitKind kind, const B3::StackmapGenerationParams& params)
-{
-    return m_descriptor->emitOSRExitLater(
-        m_state, kind, m_origin, params, m_offset);
-}
-
-} } // namespace JSC::FTL
-
-#endif // ENABLE(FTL_JIT)
-