1/*
2 * Copyright (C) 2013 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 "FTLState.h"
28
29#if ENABLE(FTL_JIT)
30
31#include "CodeBlockWithJITType.h"
32#include "FTLForOSREntryJITCode.h"
33#include "FTLJITCode.h"
34#include "FTLJITFinalizer.h"
35
36namespace JSC { namespace FTL {
37
38using namespace DFG;
39
40State::State(Graph& graph)
41    : graph(graph)
42    , context(llvm->ContextCreate())
43    , module(0)
44    , function(0)
45    , generatedFunction(0)
46    , compactUnwind(0)
47    , compactUnwindSize(0)
48{
49    switch (graph.m_plan.mode) {
50    case FTLMode: {
51        jitCode = adoptRef(new JITCode());
52        break;
53    }
54    case FTLForOSREntryMode: {
55        RefPtr<ForOSREntryJITCode> code = adoptRef(new ForOSREntryJITCode());
56        code->initializeEntryBuffer(graph.m_vm, graph.m_profiledBlock->m_numCalleeRegisters);
57        code->setBytecodeIndex(graph.m_plan.osrEntryBytecodeIndex);
58        jitCode = code;
59        break;
60    }
61    default:
62        RELEASE_ASSERT_NOT_REACHED();
63        break;
64    }
65
66    finalizer = new JITFinalizer(graph.m_plan);
67    graph.m_plan.finalizer = adoptPtr(finalizer);
68}
69
70State::~State()
71{
72    llvm->ContextDispose(context);
73}
74
75void State::dumpState(const char* when)
76{
77    dataLog("LLVM IR for ", CodeBlockWithJITType(graph.m_codeBlock, FTL::JITCode::FTLJIT), " ", when, ":\n");
78    dumpModule(module);
79}
80
81} } // namespace JSC::FTL
82
83#endif // ENABLE(FTL_JIT)
84
85