1/*
2 * Copyright (C) 2013-2018 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "FTLJITFinalizer.h"
28
29#if ENABLE(FTL_JIT)
30
31#include "CodeBlockWithJITType.h"
32#include "DFGPlan.h"
33#include "FTLState.h"
34#include "FTLThunks.h"
35#include "JSCInlines.h"
36#include "ProfilerDatabase.h"
37
38namespace JSC { namespace FTL {
39
40JITFinalizer::JITFinalizer(DFG::Plan& plan)
41 : Finalizer(plan)
42{
43}
44
45JITFinalizer::~JITFinalizer()
46{
47}
48
49size_t JITFinalizer::codeSize()
50{
51 size_t result = 0;
52
53 if (b3CodeLinkBuffer)
54 result += b3CodeLinkBuffer->size();
55
56 if (entrypointLinkBuffer)
57 result += entrypointLinkBuffer->size();
58
59 return result;
60}
61
62bool JITFinalizer::finalize()
63{
64 return finalizeCommon();
65}
66
67bool JITFinalizer::finalizeFunction()
68{
69 return finalizeCommon();
70}
71
72bool JITFinalizer::finalizeCommon()
73{
74 bool dumpDisassembly = shouldDumpDisassembly() || Options::asyncDisassembly();
75
76 MacroAssemblerCodeRef<JSEntryPtrTag> b3CodeRef =
77 FINALIZE_CODE_IF(dumpDisassembly, *b3CodeLinkBuffer, JSEntryPtrTag,
78 "FTL B3 code for %s", toCString(CodeBlockWithJITType(m_plan.codeBlock(), JITType::FTLJIT)).data());
79
80 MacroAssemblerCodeRef<JSEntryPtrTag> arityCheckCodeRef = entrypointLinkBuffer
81 ? FINALIZE_CODE_IF(dumpDisassembly, *entrypointLinkBuffer, JSEntryPtrTag,
82 "FTL entrypoint thunk for %s with B3 generated code at %p", toCString(CodeBlockWithJITType(m_plan.codeBlock(), JITType::FTLJIT)).data(), function)
83 : MacroAssemblerCodeRef<JSEntryPtrTag>::createSelfManagedCodeRef(b3CodeRef.code());
84
85 jitCode->initializeB3Code(b3CodeRef);
86 jitCode->initializeArityCheckEntrypoint(arityCheckCodeRef);
87
88 m_plan.codeBlock()->setJITCode(*jitCode);
89
90 if (UNLIKELY(m_plan.compilation()))
91 m_plan.vm()->m_perBytecodeProfiler->addCompilation(m_plan.codeBlock(), *m_plan.compilation());
92
93 return true;
94}
95
96} } // namespace JSC::FTL
97
98#endif // ENABLE(FTL_JIT)
99
100