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FTLJITFinalizer.cpp
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FTLJITFinalizer.cpp
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/*
* Copyright (C) 2013-2021 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
"
FTLJITFinalizer.h
"
#
if
ENABLE(FTL_JIT)
#
include
"
CodeBlockWithJITType.h
"
#
include
"
DFGPlan.h
"
#
include
"
FTLState.h
"
#
include
"
ProfilerDatabase.h
"
#
include
"
ThunkGenerators.h
"
#
include
<
wtf/TZoneMallocInlines.h
>
namespace
JSC
{
namespace
FTL
{
WTF_MAKE_TZONE_ALLOCATED_IMPL
(JITFinalizer);
JITFinalizer::JITFinalizer
(
DFG
::Plan& plan)
: Finalizer(plan)
{
}
JITFinalizer::~JITFinalizer
() =
default
;
size_t
JITFinalizer::codeSize
()
{
return
m_codeSize;
}
bool
JITFinalizer::finalize
()
{
VM
& vm = *m_plan.
vm
();
WTF::crossModifyingCodeFence
();
m_plan.
runMainThreadFinalizationTasks
();
CodeBlock* codeBlock = m_plan.
codeBlock
();
m_jitCode->
setSize
(m_codeSize);
codeBlock->
setJITCode
(*m_jitCode);
if
(
Options::dumpFTLCodeSize
())
[[unlikely]]
{
auto
* baselineCodeBlock = codeBlock->
baselineAlternative
();
size_t
baselineCodeSize =
0
;
if
(
auto
jitCode = baselineCodeBlock->
jitCode
())
baselineCodeSize = jitCode->
size
();
dataLogLn
(
"
FTL: name:(
"
, codeBlock->
inferredNameWithHash
(),
"
),codeSize:(
"
, m_jitCode->
size
(),
"
),nodes:(
"
, m_jitCode->
numberOfCompiledDFGNodes
(),
"
),baselineCodeSize:(
"
, baselineCodeSize,
"
),bytecodeCost:(
"
, baselineCodeBlock->
bytecodeCost
(),
"
)
"
);
}
if
(m_plan.
compilation
())
[[unlikely]]
vm.
m_perBytecodeProfiler
->
addCompilation
(codeBlock, *m_plan.
compilation
());
//
The codeBlock is now responsible for keeping many things alive (e.g. frozen values)
//
that were previously kept alive by the plan.
vm.
writeBarrier
(codeBlock);
return
true
;
}
} }
//
namespace JSC::FTL
#
endif
//
ENABLE(FTL_JIT)
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