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 "DFGOSRExitPreparation.h"
28
29#if ENABLE(DFG_JIT)
30
31#include "CodeBlock.h"
32#include "Executable.h"
33#include "JIT.h"
34#include "JITCode.h"
35#include "JSCInlines.h"
36
37namespace JSC { namespace DFG {
38
39void prepareCodeOriginForOSRExit(ExecState* exec, CodeOrigin codeOrigin)
40{
41    VM& vm = exec->vm();
42    DeferGC deferGC(vm.heap);
43
44    for (; codeOrigin.inlineCallFrame; codeOrigin = codeOrigin.inlineCallFrame->caller) {
45        FunctionExecutable* executable =
46            static_cast<FunctionExecutable*>(codeOrigin.inlineCallFrame->executable.get());
47        CodeBlock* codeBlock = executable->baselineCodeBlockFor(
48            codeOrigin.inlineCallFrame->isCall ? CodeForCall : CodeForConstruct);
49
50        if (codeBlock->jitType() == JSC::JITCode::BaselineJIT)
51            continue;
52        ASSERT(codeBlock->jitType() == JSC::JITCode::InterpreterThunk);
53        JIT::compile(&vm, codeBlock, JITCompilationMustSucceed);
54        codeBlock->install();
55    }
56}
57
58} } // namespace JSC::DFG
59
60#endif // ENABLE(DFG_JIT)
61
62