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1 | /* |
2 | * Copyright (C) 2012 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 "LLIntEntrypoints.h" | |
28 | ||
29 | #if ENABLE(LLINT) | |
30 | ||
31 | #include "JITCode.h" | |
32 | #include "JSGlobalData.h" | |
33 | #include "JSObject.h" | |
34 | #include "LLIntThunks.h" | |
35 | #include "LowLevelInterpreter.h" | |
36 | #include "ScopeChain.h" | |
37 | ||
38 | namespace JSC { namespace LLInt { | |
39 | ||
40 | void getFunctionEntrypoint(JSGlobalData& globalData, CodeSpecializationKind kind, JITCode& jitCode, MacroAssemblerCodePtr& arityCheck) | |
41 | { | |
42 | if (!globalData.canUseJIT()) { | |
43 | if (kind == CodeForCall) { | |
44 | jitCode = JITCode(MacroAssemblerCodeRef::createLLIntCodeRef(llint_function_for_call_prologue), JITCode::InterpreterThunk); | |
45 | arityCheck = MacroAssemblerCodePtr::createLLIntCodePtr(llint_function_for_call_arity_check); | |
46 | return; | |
47 | } | |
48 | ||
49 | ASSERT(kind == CodeForConstruct); | |
50 | jitCode = JITCode(MacroAssemblerCodeRef::createLLIntCodeRef(llint_function_for_construct_prologue), JITCode::InterpreterThunk); | |
51 | arityCheck = MacroAssemblerCodePtr::createLLIntCodePtr(llint_function_for_construct_arity_check); | |
52 | return; | |
53 | } | |
54 | ||
55 | if (kind == CodeForCall) { | |
56 | jitCode = JITCode(globalData.getCTIStub(functionForCallEntryThunkGenerator), JITCode::InterpreterThunk); | |
57 | arityCheck = globalData.getCTIStub(functionForCallArityCheckThunkGenerator).code(); | |
58 | return; | |
59 | } | |
60 | ||
61 | ASSERT(kind == CodeForConstruct); | |
62 | jitCode = JITCode(globalData.getCTIStub(functionForConstructEntryThunkGenerator), JITCode::InterpreterThunk); | |
63 | arityCheck = globalData.getCTIStub(functionForConstructArityCheckThunkGenerator).code(); | |
64 | } | |
65 | ||
66 | void getEvalEntrypoint(JSGlobalData& globalData, JITCode& jitCode) | |
67 | { | |
68 | if (!globalData.canUseJIT()) { | |
69 | jitCode = JITCode(MacroAssemblerCodeRef::createLLIntCodeRef(llint_eval_prologue), JITCode::InterpreterThunk); | |
70 | return; | |
71 | } | |
72 | ||
73 | jitCode = JITCode(globalData.getCTIStub(evalEntryThunkGenerator), JITCode::InterpreterThunk); | |
74 | } | |
75 | ||
76 | void getProgramEntrypoint(JSGlobalData& globalData, JITCode& jitCode) | |
77 | { | |
78 | if (!globalData.canUseJIT()) { | |
79 | jitCode = JITCode(MacroAssemblerCodeRef::createLLIntCodeRef(llint_program_prologue), JITCode::InterpreterThunk); | |
80 | return; | |
81 | } | |
82 | ||
83 | jitCode = JITCode(globalData.getCTIStub(programEntryThunkGenerator), JITCode::InterpreterThunk); | |
84 | } | |
85 | ||
86 | } } // namespace JSC::LLInt | |
87 | ||
88 | #endif // ENABLE(LLINT) |