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gerrit-public.fairphone.software / fp2-dev / platform / external / v8 / 44f0eee88ff00398ff7f715fab053374d808c90d / . / src / builtins.h
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Ben Murdochb0fe1622011-05-05 13:52:32 +0100[diff] [blame]1// Copyright 2010 the V8 project authors. All rights reserved.
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6// * Redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer.
8// * Redistributions in binary form must reproduce the above
9// copyright notice, this list of conditions and the following
10// disclaimer in the documentation and/or other materials provided
11// with the distribution.
12// * Neither the name of Google Inc. nor the names of its
13// contributors may be used to endorse or promote products derived
14// from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28#ifndef V8_BUILTINS_H_
29#define V8_BUILTINS_H_
30
31namespace v8 {
32namespace internal {
33
Leon Clarkee46be812010-01-19 14:06:41 +0000[diff] [blame]34// Specifies extra arguments required by a C++ builtin.
35enum BuiltinExtraArguments {
36 NO_EXTRA_ARGUMENTS = 0,
37 NEEDS_CALLED_FUNCTION = 1
38};
39
40
41// Define list of builtins implemented in C++.
42#define BUILTIN_LIST_C(V) \
43 V(Illegal, NO_EXTRA_ARGUMENTS) \
44 \
45 V(EmptyFunction, NO_EXTRA_ARGUMENTS) \
46 \
47 V(ArrayCodeGeneric, NO_EXTRA_ARGUMENTS) \
48 \
49 V(ArrayPush, NO_EXTRA_ARGUMENTS) \
50 V(ArrayPop, NO_EXTRA_ARGUMENTS) \
Andrei Popescu402d9372010-02-26 13:31:12 +0000[diff] [blame]51 V(ArrayShift, NO_EXTRA_ARGUMENTS) \
52 V(ArrayUnshift, NO_EXTRA_ARGUMENTS) \
53 V(ArraySlice, NO_EXTRA_ARGUMENTS) \
54 V(ArraySplice, NO_EXTRA_ARGUMENTS) \
Steve Block6ded16b2010-05-10 14:33:55 +0100[diff] [blame]55 V(ArrayConcat, NO_EXTRA_ARGUMENTS) \
Leon Clarkee46be812010-01-19 14:06:41 +0000[diff] [blame]56 \
57 V(HandleApiCall, NEEDS_CALLED_FUNCTION) \
Andrei Popescu402d9372010-02-26 13:31:12 +0000[diff] [blame]58 V(FastHandleApiCall, NO_EXTRA_ARGUMENTS) \
Leon Clarkee46be812010-01-19 14:06:41 +0000[diff] [blame]59 V(HandleApiCallConstruct, NEEDS_CALLED_FUNCTION) \
60 V(HandleApiCallAsFunction, NO_EXTRA_ARGUMENTS) \
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]61 V(HandleApiCallAsConstructor, NO_EXTRA_ARGUMENTS) \
62 \
63 V(StrictArgumentsCallee, NO_EXTRA_ARGUMENTS) \
64 V(StrictArgumentsCaller, NO_EXTRA_ARGUMENTS) \
65 V(StrictFunctionCaller, NO_EXTRA_ARGUMENTS) \
66 V(StrictFunctionArguments, NO_EXTRA_ARGUMENTS)
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]67
68
69// Define list of builtins implemented in assembly.
Ben Murdoche0cee9b2011-05-25 10:26:03 +0100[diff] [blame]70#define BUILTIN_LIST_A(V) \
71 V(ArgumentsAdaptorTrampoline, BUILTIN, UNINITIALIZED, \
72 Code::kNoExtraICState) \
73 V(JSConstructCall, BUILTIN, UNINITIALIZED, \
74 Code::kNoExtraICState) \
75 V(JSConstructStubCountdown, BUILTIN, UNINITIALIZED, \
76 Code::kNoExtraICState) \
77 V(JSConstructStubGeneric, BUILTIN, UNINITIALIZED, \
78 Code::kNoExtraICState) \
79 V(JSConstructStubApi, BUILTIN, UNINITIALIZED, \
80 Code::kNoExtraICState) \
81 V(JSEntryTrampoline, BUILTIN, UNINITIALIZED, \
82 Code::kNoExtraICState) \
83 V(JSConstructEntryTrampoline, BUILTIN, UNINITIALIZED, \
84 Code::kNoExtraICState) \
85 V(LazyCompile, BUILTIN, UNINITIALIZED, \
86 Code::kNoExtraICState) \
87 V(LazyRecompile, BUILTIN, UNINITIALIZED, \
88 Code::kNoExtraICState) \
89 V(NotifyDeoptimized, BUILTIN, UNINITIALIZED, \
90 Code::kNoExtraICState) \
91 V(NotifyLazyDeoptimized, BUILTIN, UNINITIALIZED, \
92 Code::kNoExtraICState) \
93 V(NotifyOSR, BUILTIN, UNINITIALIZED, \
94 Code::kNoExtraICState) \
95 \
96 V(LoadIC_Miss, BUILTIN, UNINITIALIZED, \
97 Code::kNoExtraICState) \
98 V(KeyedLoadIC_Miss, BUILTIN, UNINITIALIZED, \
99 Code::kNoExtraICState) \
100 V(StoreIC_Miss, BUILTIN, UNINITIALIZED, \
101 Code::kNoExtraICState) \
102 V(KeyedStoreIC_Miss, BUILTIN, UNINITIALIZED, \
103 Code::kNoExtraICState) \
104 \
105 V(LoadIC_Initialize, LOAD_IC, UNINITIALIZED, \
106 Code::kNoExtraICState) \
107 V(LoadIC_PreMonomorphic, LOAD_IC, PREMONOMORPHIC, \
108 Code::kNoExtraICState) \
109 V(LoadIC_Normal, LOAD_IC, MONOMORPHIC, \
110 Code::kNoExtraICState) \
111 V(LoadIC_ArrayLength, LOAD_IC, MONOMORPHIC, \
112 Code::kNoExtraICState) \
113 V(LoadIC_StringLength, LOAD_IC, MONOMORPHIC, \
114 Code::kNoExtraICState) \
115 V(LoadIC_StringWrapperLength, LOAD_IC, MONOMORPHIC, \
116 Code::kNoExtraICState) \
117 V(LoadIC_FunctionPrototype, LOAD_IC, MONOMORPHIC, \
118 Code::kNoExtraICState) \
119 V(LoadIC_Megamorphic, LOAD_IC, MEGAMORPHIC, \
120 Code::kNoExtraICState) \
121 \
122 V(KeyedLoadIC_Initialize, KEYED_LOAD_IC, UNINITIALIZED, \
123 Code::kNoExtraICState) \
124 V(KeyedLoadIC_PreMonomorphic, KEYED_LOAD_IC, PREMONOMORPHIC, \
125 Code::kNoExtraICState) \
126 V(KeyedLoadIC_Generic, KEYED_LOAD_IC, MEGAMORPHIC, \
127 Code::kNoExtraICState) \
128 V(KeyedLoadIC_String, KEYED_LOAD_IC, MEGAMORPHIC, \
129 Code::kNoExtraICState) \
130 V(KeyedLoadIC_IndexedInterceptor, KEYED_LOAD_IC, MEGAMORPHIC, \
131 Code::kNoExtraICState) \
132 \
133 V(StoreIC_Initialize, STORE_IC, UNINITIALIZED, \
134 Code::kNoExtraICState) \
135 V(StoreIC_ArrayLength, STORE_IC, MONOMORPHIC, \
136 Code::kNoExtraICState) \
137 V(StoreIC_Normal, STORE_IC, MONOMORPHIC, \
138 Code::kNoExtraICState) \
139 V(StoreIC_Megamorphic, STORE_IC, MEGAMORPHIC, \
140 Code::kNoExtraICState) \
141 V(StoreIC_GlobalProxy, STORE_IC, MEGAMORPHIC, \
142 Code::kNoExtraICState) \
143 V(StoreIC_Initialize_Strict, STORE_IC, UNINITIALIZED, \
144 kStrictMode) \
145 V(StoreIC_ArrayLength_Strict, STORE_IC, MONOMORPHIC, \
146 kStrictMode) \
147 V(StoreIC_Normal_Strict, STORE_IC, MONOMORPHIC, \
148 kStrictMode) \
149 V(StoreIC_Megamorphic_Strict, STORE_IC, MEGAMORPHIC, \
150 kStrictMode) \
151 V(StoreIC_GlobalProxy_Strict, STORE_IC, MEGAMORPHIC, \
152 kStrictMode) \
153 \
154 V(KeyedStoreIC_Initialize, KEYED_STORE_IC, UNINITIALIZED, \
155 Code::kNoExtraICState) \
156 V(KeyedStoreIC_Generic, KEYED_STORE_IC, MEGAMORPHIC, \
157 Code::kNoExtraICState) \
158 \
159 V(KeyedStoreIC_Initialize_Strict, KEYED_STORE_IC, UNINITIALIZED, \
160 kStrictMode) \
161 V(KeyedStoreIC_Generic_Strict, KEYED_STORE_IC, MEGAMORPHIC, \
162 kStrictMode) \
163 \
164 /* Uses KeyedLoadIC_Initialize; must be after in list. */ \
165 V(FunctionCall, BUILTIN, UNINITIALIZED, \
166 Code::kNoExtraICState) \
167 V(FunctionApply, BUILTIN, UNINITIALIZED, \
168 Code::kNoExtraICState) \
169 \
170 V(ArrayCode, BUILTIN, UNINITIALIZED, \
171 Code::kNoExtraICState) \
172 V(ArrayConstructCode, BUILTIN, UNINITIALIZED, \
173 Code::kNoExtraICState) \
174 \
175 V(StringConstructCode, BUILTIN, UNINITIALIZED, \
176 Code::kNoExtraICState) \
177 \
178 V(OnStackReplacement, BUILTIN, UNINITIALIZED, \
179 Code::kNoExtraICState)
Kristian Monsen80d68ea2010-09-08 11:05:35 +0100[diff] [blame]180
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]181
182#ifdef ENABLE_DEBUGGER_SUPPORT
183// Define list of builtins used by the debugger implemented in assembly.
184#define BUILTIN_LIST_DEBUG_A(V) \
Steve Block1e0659c2011-05-24 12:43:12 +0100[diff] [blame]185 V(Return_DebugBreak, BUILTIN, DEBUG_BREAK, \
186 Code::kNoExtraICState) \
187 V(ConstructCall_DebugBreak, BUILTIN, DEBUG_BREAK, \
188 Code::kNoExtraICState) \
189 V(StubNoRegisters_DebugBreak, BUILTIN, DEBUG_BREAK, \
190 Code::kNoExtraICState) \
191 V(LoadIC_DebugBreak, LOAD_IC, DEBUG_BREAK, \
192 Code::kNoExtraICState) \
193 V(KeyedLoadIC_DebugBreak, KEYED_LOAD_IC, DEBUG_BREAK, \
194 Code::kNoExtraICState) \
195 V(StoreIC_DebugBreak, STORE_IC, DEBUG_BREAK, \
196 Code::kNoExtraICState) \
197 V(KeyedStoreIC_DebugBreak, KEYED_STORE_IC, DEBUG_BREAK, \
198 Code::kNoExtraICState) \
199 V(Slot_DebugBreak, BUILTIN, DEBUG_BREAK, \
200 Code::kNoExtraICState) \
201 V(PlainReturn_LiveEdit, BUILTIN, DEBUG_BREAK, \
202 Code::kNoExtraICState) \
203 V(FrameDropper_LiveEdit, BUILTIN, DEBUG_BREAK, \
204 Code::kNoExtraICState)
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]205#else
206#define BUILTIN_LIST_DEBUG_A(V)
207#endif
208
209// Define list of builtins implemented in JavaScript.
210#define BUILTINS_LIST_JS(V) \
211 V(EQUALS, 1) \
212 V(STRICT_EQUALS, 1) \
213 V(COMPARE, 2) \
214 V(ADD, 1) \
215 V(SUB, 1) \
216 V(MUL, 1) \
217 V(DIV, 1) \
218 V(MOD, 1) \
219 V(BIT_OR, 1) \
220 V(BIT_AND, 1) \
221 V(BIT_XOR, 1) \
222 V(UNARY_MINUS, 0) \
223 V(BIT_NOT, 0) \
224 V(SHL, 1) \
225 V(SAR, 1) \
226 V(SHR, 1) \
Ben Murdoche0cee9b2011-05-25 10:26:03 +0100[diff] [blame]227 V(DELETE, 2) \
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]228 V(IN, 1) \
229 V(INSTANCE_OF, 1) \
230 V(GET_KEYS, 0) \
231 V(FILTER_KEY, 1) \
232 V(CALL_NON_FUNCTION, 0) \
233 V(CALL_NON_FUNCTION_AS_CONSTRUCTOR, 0) \
234 V(TO_OBJECT, 0) \
235 V(TO_NUMBER, 0) \
236 V(TO_STRING, 0) \
237 V(STRING_ADD_LEFT, 1) \
238 V(STRING_ADD_RIGHT, 1) \
239 V(APPLY_PREPARE, 1) \
Steve Block6ded16b2010-05-10 14:33:55 +0100[diff] [blame]240 V(APPLY_OVERFLOW, 1)
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]241
242
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]243class BuiltinFunctionTable;
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]244class ObjectVisitor;
245
246
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]247class Builtins {
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]248 public:
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]249 ~Builtins();
250
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]251 // Generate all builtin code objects. Should be called once during
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]252 // isolate initialization.
253 void Setup(bool create_heap_objects);
254 void TearDown();
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]255
256 // Garbage collection support.
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]257 void IterateBuiltins(ObjectVisitor* v);
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]258
259 // Disassembler support.
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]260 const char* Lookup(byte* pc);
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]261
262 enum Name {
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]263#define DEF_ENUM_C(name, ignore) k##name,
264#define DEF_ENUM_A(name, kind, state, extra) k##name,
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]265 BUILTIN_LIST_C(DEF_ENUM_C)
266 BUILTIN_LIST_A(DEF_ENUM_A)
267 BUILTIN_LIST_DEBUG_A(DEF_ENUM_A)
268#undef DEF_ENUM_C
269#undef DEF_ENUM_A
270 builtin_count
271 };
272
273 enum CFunctionId {
Leon Clarkee46be812010-01-19 14:06:41 +0000[diff] [blame]274#define DEF_ENUM_C(name, ignore) c_##name,
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]275 BUILTIN_LIST_C(DEF_ENUM_C)
276#undef DEF_ENUM_C
277 cfunction_count
278 };
279
280 enum JavaScript {
281#define DEF_ENUM(name, ignore) name,
282 BUILTINS_LIST_JS(DEF_ENUM)
283#undef DEF_ENUM
284 id_count
285 };
286
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]287#define DECLARE_BUILTIN_ACCESSOR_C(name, ignore) Handle<Code> name();
288#define DECLARE_BUILTIN_ACCESSOR_A(name, kind, state, extra) \
289 Handle<Code> name();
290 BUILTIN_LIST_C(DECLARE_BUILTIN_ACCESSOR_C)
291 BUILTIN_LIST_A(DECLARE_BUILTIN_ACCESSOR_A)
292 BUILTIN_LIST_DEBUG_A(DECLARE_BUILTIN_ACCESSOR_A)
293#undef DECLARE_BUILTIN_ACCESSOR_C
294#undef DECLARE_BUILTIN_ACCESSOR_A
295
296 Code* builtin(Name name) {
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]297 // Code::cast cannot be used here since we access builtins
298 // during the marking phase of mark sweep. See IC::Clear.
299 return reinterpret_cast<Code*>(builtins_[name]);
300 }
301
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]302 Address builtin_address(Name name) {
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]303 return reinterpret_cast<Address>(&builtins_[name]);
304 }
305
306 static Address c_function_address(CFunctionId id) {
307 return c_functions_[id];
308 }
309
310 static const char* GetName(JavaScript id) { return javascript_names_[id]; }
311 static int GetArgumentsCount(JavaScript id) { return javascript_argc_[id]; }
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]312 Handle<Code> GetCode(JavaScript id, bool* resolved);
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]313 static int NumberOfJavaScriptBuiltins() { return id_count; }
314
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]315 bool is_initialized() const { return initialized_; }
316
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]317 private:
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]318 Builtins();
319
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]320 // The external C++ functions called from the code.
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]321 static Address const c_functions_[cfunction_count];
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]322
323 // Note: These are always Code objects, but to conform with
324 // IterateBuiltins() above which assumes Object**'s for the callback
325 // function f, we use an Object* array here.
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]326 Object* builtins_[builtin_count];
327 const char* names_[builtin_count];
328 static const char* const javascript_names_[id_count];
329 static int const javascript_argc_[id_count];
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]330
Leon Clarkee46be812010-01-19 14:06:41 +0000[diff] [blame]331 static void Generate_Adaptor(MacroAssembler* masm,
332 CFunctionId id,
333 BuiltinExtraArguments extra_args);
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]334 static void Generate_JSConstructCall(MacroAssembler* masm);
Kristian Monsen0d5e1162010-09-30 15:31:59 +0100[diff] [blame]335 static void Generate_JSConstructStubCountdown(MacroAssembler* masm);
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]336 static void Generate_JSConstructStubGeneric(MacroAssembler* masm);
Leon Clarkee46be812010-01-19 14:06:41 +0000[diff] [blame]337 static void Generate_JSConstructStubApi(MacroAssembler* masm);
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]338 static void Generate_JSEntryTrampoline(MacroAssembler* masm);
339 static void Generate_JSConstructEntryTrampoline(MacroAssembler* masm);
Iain Merrick75681382010-08-19 15:07:18 +0100[diff] [blame]340 static void Generate_LazyCompile(MacroAssembler* masm);
Ben Murdochb0fe1622011-05-05 13:52:32 +0100[diff] [blame]341 static void Generate_LazyRecompile(MacroAssembler* masm);
342 static void Generate_NotifyDeoptimized(MacroAssembler* masm);
343 static void Generate_NotifyLazyDeoptimized(MacroAssembler* masm);
344 static void Generate_NotifyOSR(MacroAssembler* masm);
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]345 static void Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm);
346
347 static void Generate_FunctionCall(MacroAssembler* masm);
348 static void Generate_FunctionApply(MacroAssembler* masm);
349
350 static void Generate_ArrayCode(MacroAssembler* masm);
351 static void Generate_ArrayConstructCode(MacroAssembler* masm);
Kristian Monsen80d68ea2010-09-08 11:05:35 +0100[diff] [blame]352
353 static void Generate_StringConstructCode(MacroAssembler* masm);
Ben Murdochb0fe1622011-05-05 13:52:32 +0100[diff] [blame]354 static void Generate_OnStackReplacement(MacroAssembler* masm);
Steve Block44f0eee2011-05-26 01:26:41 +0100[diff] [blame^]355
356 static void InitBuiltinFunctionTable();
357
358 bool initialized_;
359
360 friend class BuiltinFunctionTable;
361 friend class Isolate;
362
363 DISALLOW_COPY_AND_ASSIGN(Builtins);
Steve Blocka7e24c12009-10-30 11:49:00 +0000[diff] [blame]364};
365
366} } // namespace v8::internal
367
368#endif // V8_BUILTINS_H_