c9b17da4381c67da9cf40fd5818113ffda0bc6db
[WebKit-https.git] / Source / JavaScriptCore / llint / LLIntEntrypoints.cpp
1 /*
2  * Copyright (C) 2012 Apple Inc. All rights reserved.
3  *
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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,
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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 "VM.h"
33 #include "JSObject.h"
34 #include "LLIntThunks.h"
35 #include "LowLevelInterpreter.h"
36
37
38 namespace JSC { namespace LLInt {
39
40 void getFunctionEntrypoint(VM& vm, CodeSpecializationKind kind, RefPtr<JITCode>& jitCode, MacroAssemblerCodePtr& arityCheck)
41 {
42     if (!vm.canUseJIT()) {
43         if (kind == CodeForCall) {
44             jitCode = adoptRef(new DirectJITCode(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 = adoptRef(new DirectJITCode(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 ENABLE(JIT)
56     if (kind == CodeForCall) {
57         jitCode = adoptRef(new DirectJITCode(vm.getCTIStub(functionForCallEntryThunkGenerator), JITCode::InterpreterThunk));
58         arityCheck = vm.getCTIStub(functionForCallArityCheckThunkGenerator).code();
59         return;
60     }
61
62     ASSERT(kind == CodeForConstruct);
63     jitCode = adoptRef(new DirectJITCode(vm.getCTIStub(functionForConstructEntryThunkGenerator), JITCode::InterpreterThunk));
64     arityCheck = vm.getCTIStub(functionForConstructArityCheckThunkGenerator).code();
65 #endif // ENABLE(JIT)
66 }
67
68 void getEvalEntrypoint(VM& vm, RefPtr<JITCode>& jitCode)
69 {
70     if (!vm.canUseJIT()) {
71         jitCode = adoptRef(new DirectJITCode(MacroAssemblerCodeRef::createLLIntCodeRef(llint_eval_prologue), JITCode::InterpreterThunk));
72         return;
73     }
74 #if ENABLE(JIT)    
75     jitCode = adoptRef(new DirectJITCode(vm.getCTIStub(evalEntryThunkGenerator), JITCode::InterpreterThunk));
76 #endif
77 }
78
79 void getProgramEntrypoint(VM& vm, RefPtr<JITCode>& jitCode)
80 {
81     if (!vm.canUseJIT()) {
82         jitCode = adoptRef(new DirectJITCode(MacroAssemblerCodeRef::createLLIntCodeRef(llint_program_prologue), JITCode::InterpreterThunk));
83         return;
84     }
85 #if ENABLE(JIT)
86     jitCode = adoptRef(new DirectJITCode(vm.getCTIStub(programEntryThunkGenerator), JITCode::InterpreterThunk));
87 #endif
88 }
89
90 } } // namespace JSC::LLInt
91
92 #endif // ENABLE(LLINT)