webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 0 insertions, 148 deletions

diff --git a/Source/JavaScriptCore/ftl/FTLSlowPathCall.cpp b/Source/JavaScriptCore/ftl/FTLSlowPathCall.cpp
deleted file mode 100644
index eeba48274..000000000
--- a/Source/JavaScriptCore/ftl/FTLSlowPathCall.cpp
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Copyright (C) 2013-2015 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 "FTLSlowPathCall.h"
-
-#if ENABLE(FTL_JIT)
-
-#include "CCallHelpers.h"
-#include "FTLState.h"
-#include "FTLThunks.h"
-#include "GPRInfo.h"
-#include "JSCInlines.h"
-
-namespace JSC { namespace FTL {
-
-// This code relies on us being 64-bit. FTL is currently always 64-bit.
-static const size_t wordSize = 8;
-
-SlowPathCallContext::SlowPathCallContext(
-    RegisterSet usedRegisters, CCallHelpers& jit, unsigned numArgs, GPRReg returnRegister)
-    : m_jit(jit)
-    , m_numArgs(numArgs)
-    , m_returnRegister(returnRegister)
-{
-    // We don't care that you're using callee-save, stack, or hardware registers.
-    usedRegisters.exclude(RegisterSet::stackRegisters());
-    usedRegisters.exclude(RegisterSet::reservedHardwareRegisters());
-    usedRegisters.exclude(RegisterSet::calleeSaveRegisters());
-        
-    // The return register doesn't need to be saved.
-    if (m_returnRegister != InvalidGPRReg)
-        usedRegisters.clear(m_returnRegister);
-        
-    size_t stackBytesNeededForReturnAddress = wordSize;
-        
-    m_offsetToSavingArea =
-        (std::max(m_numArgs, NUMBER_OF_ARGUMENT_REGISTERS) - NUMBER_OF_ARGUMENT_REGISTERS) * wordSize;
-        
-    for (unsigned i = std::min(NUMBER_OF_ARGUMENT_REGISTERS, numArgs); i--;)
-        m_argumentRegisters.set(GPRInfo::toArgumentRegister(i));
-    m_callingConventionRegisters.merge(m_argumentRegisters);
-    if (returnRegister != InvalidGPRReg)
-        m_callingConventionRegisters.set(GPRInfo::returnValueGPR);
-    m_callingConventionRegisters.filter(usedRegisters);
-        
-    unsigned numberOfCallingConventionRegisters =
-        m_callingConventionRegisters.numberOfSetRegisters();
-        
-    size_t offsetToThunkSavingArea =
-        m_offsetToSavingArea +
-        numberOfCallingConventionRegisters * wordSize;
-        
-    m_stackBytesNeeded =
-        offsetToThunkSavingArea +
-        stackBytesNeededForReturnAddress +
-        (usedRegisters.numberOfSetRegisters() - numberOfCallingConventionRegisters) * wordSize;
-        
-    m_stackBytesNeeded = (m_stackBytesNeeded + stackAlignmentBytes() - 1) & ~(stackAlignmentBytes() - 1);
-        
-    m_jit.subPtr(CCallHelpers::TrustedImm32(m_stackBytesNeeded), CCallHelpers::stackPointerRegister);
-
-    m_thunkSaveSet = usedRegisters;
-        
-    // This relies on all calling convention registers also being temp registers.
-    unsigned stackIndex = 0;
-    for (unsigned i = GPRInfo::numberOfRegisters; i--;) {
-        GPRReg reg = GPRInfo::toRegister(i);
-        if (!m_callingConventionRegisters.get(reg))
-            continue;
-        m_jit.storePtr(reg, CCallHelpers::Address(CCallHelpers::stackPointerRegister, m_offsetToSavingArea + (stackIndex++) * wordSize));
-        m_thunkSaveSet.clear(reg);
-    }
-        
-    m_offset = offsetToThunkSavingArea;
-}
-    
-SlowPathCallContext::~SlowPathCallContext()
-{
-    if (m_returnRegister != InvalidGPRReg)
-        m_jit.move(GPRInfo::returnValueGPR, m_returnRegister);
-    
-    unsigned stackIndex = 0;
-    for (unsigned i = GPRInfo::numberOfRegisters; i--;) {
-        GPRReg reg = GPRInfo::toRegister(i);
-        if (!m_callingConventionRegisters.get(reg))
-            continue;
-        m_jit.loadPtr(CCallHelpers::Address(CCallHelpers::stackPointerRegister, m_offsetToSavingArea + (stackIndex++) * wordSize), reg);
-    }
-    
-    m_jit.addPtr(CCallHelpers::TrustedImm32(m_stackBytesNeeded), CCallHelpers::stackPointerRegister);
-}
-
-SlowPathCallKey SlowPathCallContext::keyWithTarget(void* callTarget) const
-{
-    return SlowPathCallKey(m_thunkSaveSet, callTarget, m_argumentRegisters, m_offset);
-}
-
-SlowPathCall SlowPathCallContext::makeCall(void* callTarget)
-{
-    SlowPathCall result = SlowPathCall(m_jit.call(), keyWithTarget(callTarget));
-
-    m_jit.addLinkTask(
-        [result] (LinkBuffer& linkBuffer) {
-            VM& vm = linkBuffer.vm();
-
-            MacroAssemblerCodeRef thunk =
-                vm.ftlThunks->getSlowPathCallThunk(vm, result.key());
-
-            linkBuffer.link(result.call(), CodeLocationLabel(thunk.code()));
-        });
-    
-    return result;
-}
-
-CallSiteIndex callSiteIndexForCodeOrigin(State& state, CodeOrigin codeOrigin)
-{
-    if (codeOrigin)
-        return state.jitCode->common.addCodeOrigin(codeOrigin);
-    return CallSiteIndex();
-}
-
-} } // namespace JSC::FTL
-
-#endif // ENABLE(FTL_JIT)
-