1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
|
// Copyright 2011 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef V8_BUILTINS_H_
#define V8_BUILTINS_H_
namespace v8 {
namespace internal {
// Specifies extra arguments required by a C++ builtin.
enum BuiltinExtraArguments {
NO_EXTRA_ARGUMENTS = 0,
NEEDS_CALLED_FUNCTION = 1
};
#define CODE_AGE_LIST_WITH_ARG(V, A) \
V(Quadragenarian, A) \
V(Quinquagenarian, A) \
V(Sexagenarian, A) \
V(Septuagenarian, A) \
V(Octogenarian, A)
#define CODE_AGE_LIST_IGNORE_ARG(X, V) V(X)
#define CODE_AGE_LIST(V) \
CODE_AGE_LIST_WITH_ARG(CODE_AGE_LIST_IGNORE_ARG, V)
#define DECLARE_CODE_AGE_BUILTIN(C, V) \
V(Make##C##CodeYoungAgainOddMarking, BUILTIN, \
UNINITIALIZED, Code::kNoExtraICState) \
V(Make##C##CodeYoungAgainEvenMarking, BUILTIN, \
UNINITIALIZED, Code::kNoExtraICState)
// Define list of builtins implemented in C++.
#define BUILTIN_LIST_C(V) \
V(Illegal, NO_EXTRA_ARGUMENTS) \
\
V(EmptyFunction, NO_EXTRA_ARGUMENTS) \
\
V(InternalArrayCodeGeneric, NO_EXTRA_ARGUMENTS) \
V(ArrayCodeGeneric, NO_EXTRA_ARGUMENTS) \
\
V(ArrayPush, NO_EXTRA_ARGUMENTS) \
V(ArrayPop, NO_EXTRA_ARGUMENTS) \
V(ArrayShift, NO_EXTRA_ARGUMENTS) \
V(ArrayUnshift, NO_EXTRA_ARGUMENTS) \
V(ArraySlice, NO_EXTRA_ARGUMENTS) \
V(ArraySplice, NO_EXTRA_ARGUMENTS) \
V(ArrayConcat, NO_EXTRA_ARGUMENTS) \
\
V(HandleApiCall, NEEDS_CALLED_FUNCTION) \
V(HandleApiCallConstruct, NEEDS_CALLED_FUNCTION) \
V(HandleApiCallAsFunction, NO_EXTRA_ARGUMENTS) \
V(HandleApiCallAsConstructor, NO_EXTRA_ARGUMENTS) \
\
V(StrictModePoisonPill, NO_EXTRA_ARGUMENTS)
// Define list of builtins implemented in assembly.
#define BUILTIN_LIST_A(V) \
V(ArgumentsAdaptorTrampoline, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(InRecompileQueue, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(InstallRecompiledCode, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(JSConstructStubCountdown, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(JSConstructStubGeneric, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(JSConstructStubApi, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(JSEntryTrampoline, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(JSConstructEntryTrampoline, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(LazyCompile, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(LazyRecompile, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(ParallelRecompile, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(NotifyDeoptimized, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(NotifySoftDeoptimized, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(NotifyLazyDeoptimized, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(NotifyStubFailure, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(NotifyOSR, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
\
V(LoadIC_Miss, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(KeyedLoadIC_Miss, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(KeyedLoadIC_MissForceGeneric, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(KeyedLoadIC_Slow, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(StoreIC_Miss, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(StoreIC_Slow, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(KeyedStoreIC_Miss, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(KeyedStoreIC_MissForceGeneric, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(KeyedStoreIC_Slow, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(LoadIC_Initialize, LOAD_IC, UNINITIALIZED, \
Code::kNoExtraICState) \
V(LoadIC_PreMonomorphic, LOAD_IC, PREMONOMORPHIC, \
Code::kNoExtraICState) \
V(LoadIC_Normal, LOAD_IC, MONOMORPHIC, \
Code::kNoExtraICState) \
V(LoadIC_Megamorphic, LOAD_IC, MEGAMORPHIC, \
Code::kNoExtraICState) \
V(LoadIC_Getter_ForDeopt, LOAD_IC, MONOMORPHIC, \
Code::kNoExtraICState) \
\
V(KeyedLoadIC_Initialize, KEYED_LOAD_IC, UNINITIALIZED, \
Code::kNoExtraICState) \
V(KeyedLoadIC_PreMonomorphic, KEYED_LOAD_IC, PREMONOMORPHIC, \
Code::kNoExtraICState) \
V(KeyedLoadIC_Generic, KEYED_LOAD_IC, GENERIC, \
Code::kNoExtraICState) \
V(KeyedLoadIC_String, KEYED_LOAD_IC, MEGAMORPHIC, \
Code::kNoExtraICState) \
V(KeyedLoadIC_IndexedInterceptor, KEYED_LOAD_IC, MONOMORPHIC, \
Code::kNoExtraICState) \
V(KeyedLoadIC_NonStrictArguments, KEYED_LOAD_IC, MONOMORPHIC, \
Code::kNoExtraICState) \
\
V(StoreIC_Initialize, STORE_IC, UNINITIALIZED, \
Code::kNoExtraICState) \
V(StoreIC_Normal, STORE_IC, MONOMORPHIC, \
Code::kNoExtraICState) \
V(StoreIC_Megamorphic, STORE_IC, MEGAMORPHIC, \
Code::kNoExtraICState) \
V(StoreIC_GlobalProxy, STORE_IC, GENERIC, \
Code::kNoExtraICState) \
V(StoreIC_Initialize_Strict, STORE_IC, UNINITIALIZED, \
kStrictMode) \
V(StoreIC_Normal_Strict, STORE_IC, MONOMORPHIC, \
kStrictMode) \
V(StoreIC_Megamorphic_Strict, STORE_IC, MEGAMORPHIC, \
kStrictMode) \
V(StoreIC_GlobalProxy_Strict, STORE_IC, GENERIC, \
kStrictMode) \
V(StoreIC_Setter_ForDeopt, STORE_IC, MONOMORPHIC, \
kStrictMode) \
\
V(KeyedStoreIC_Initialize, KEYED_STORE_IC, UNINITIALIZED, \
Code::kNoExtraICState) \
V(KeyedStoreIC_Generic, KEYED_STORE_IC, GENERIC, \
Code::kNoExtraICState) \
\
V(KeyedStoreIC_Initialize_Strict, KEYED_STORE_IC, UNINITIALIZED, \
kStrictMode) \
V(KeyedStoreIC_Generic_Strict, KEYED_STORE_IC, GENERIC, \
kStrictMode) \
V(KeyedStoreIC_NonStrictArguments, KEYED_STORE_IC, MONOMORPHIC, \
Code::kNoExtraICState) \
V(TransitionElementsSmiToDouble, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(TransitionElementsDoubleToObject, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
\
/* Uses KeyedLoadIC_Initialize; must be after in list. */ \
V(FunctionCall, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(FunctionApply, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
\
V(InternalArrayCode, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(ArrayCode, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
V(CommonArrayConstructCode, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
\
V(StringConstructCode, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
\
V(OnStackReplacement, BUILTIN, UNINITIALIZED, \
Code::kNoExtraICState) \
CODE_AGE_LIST_WITH_ARG(DECLARE_CODE_AGE_BUILTIN, V)
#ifdef ENABLE_DEBUGGER_SUPPORT
// Define list of builtins used by the debugger implemented in assembly.
#define BUILTIN_LIST_DEBUG_A(V) \
V(Return_DebugBreak, BUILTIN, DEBUG_STUB, \
DEBUG_BREAK) \
V(CallFunctionStub_DebugBreak, BUILTIN, DEBUG_STUB, \
DEBUG_BREAK) \
V(CallFunctionStub_Recording_DebugBreak, BUILTIN, DEBUG_STUB, \
DEBUG_BREAK) \
V(CallConstructStub_DebugBreak, BUILTIN, DEBUG_STUB, \
DEBUG_BREAK) \
V(CallConstructStub_Recording_DebugBreak, BUILTIN, DEBUG_STUB, \
DEBUG_BREAK) \
V(LoadIC_DebugBreak, LOAD_IC, DEBUG_STUB, \
DEBUG_BREAK) \
V(KeyedLoadIC_DebugBreak, KEYED_LOAD_IC, DEBUG_STUB, \
DEBUG_BREAK) \
V(StoreIC_DebugBreak, STORE_IC, DEBUG_STUB, \
DEBUG_BREAK) \
V(KeyedStoreIC_DebugBreak, KEYED_STORE_IC, DEBUG_STUB, \
DEBUG_BREAK) \
V(CompareNilIC_DebugBreak, COMPARE_NIL_IC, DEBUG_STUB, \
DEBUG_BREAK) \
V(Slot_DebugBreak, BUILTIN, DEBUG_STUB, \
DEBUG_BREAK) \
V(PlainReturn_LiveEdit, BUILTIN, DEBUG_STUB, \
DEBUG_BREAK) \
V(FrameDropper_LiveEdit, BUILTIN, DEBUG_STUB, \
DEBUG_BREAK)
#else
#define BUILTIN_LIST_DEBUG_A(V)
#endif
// Define list of builtins implemented in JavaScript.
#define BUILTINS_LIST_JS(V) \
V(EQUALS, 1) \
V(STRICT_EQUALS, 1) \
V(COMPARE, 2) \
V(ADD, 1) \
V(SUB, 1) \
V(MUL, 1) \
V(DIV, 1) \
V(MOD, 1) \
V(BIT_OR, 1) \
V(BIT_AND, 1) \
V(BIT_XOR, 1) \
V(UNARY_MINUS, 0) \
V(BIT_NOT, 0) \
V(SHL, 1) \
V(SAR, 1) \
V(SHR, 1) \
V(DELETE, 2) \
V(IN, 1) \
V(INSTANCE_OF, 1) \
V(FILTER_KEY, 1) \
V(CALL_NON_FUNCTION, 0) \
V(CALL_NON_FUNCTION_AS_CONSTRUCTOR, 0) \
V(CALL_FUNCTION_PROXY, 1) \
V(CALL_FUNCTION_PROXY_AS_CONSTRUCTOR, 1) \
V(TO_OBJECT, 0) \
V(TO_NUMBER, 0) \
V(TO_STRING, 0) \
V(STRING_ADD_LEFT, 1) \
V(STRING_ADD_RIGHT, 1) \
V(APPLY_PREPARE, 1) \
V(APPLY_OVERFLOW, 1)
class BuiltinFunctionTable;
class ObjectVisitor;
class Builtins {
public:
~Builtins();
// Generate all builtin code objects. Should be called once during
// isolate initialization.
void SetUp(bool create_heap_objects);
void TearDown();
// Garbage collection support.
void IterateBuiltins(ObjectVisitor* v);
// Disassembler support.
const char* Lookup(byte* pc);
enum Name {
#define DEF_ENUM_C(name, ignore) k##name,
#define DEF_ENUM_A(name, kind, state, extra) k##name,
BUILTIN_LIST_C(DEF_ENUM_C)
BUILTIN_LIST_A(DEF_ENUM_A)
BUILTIN_LIST_DEBUG_A(DEF_ENUM_A)
#undef DEF_ENUM_C
#undef DEF_ENUM_A
builtin_count
};
enum CFunctionId {
#define DEF_ENUM_C(name, ignore) c_##name,
BUILTIN_LIST_C(DEF_ENUM_C)
#undef DEF_ENUM_C
cfunction_count
};
enum JavaScript {
#define DEF_ENUM(name, ignore) name,
BUILTINS_LIST_JS(DEF_ENUM)
#undef DEF_ENUM
id_count
};
#define DECLARE_BUILTIN_ACCESSOR_C(name, ignore) Handle<Code> name();
#define DECLARE_BUILTIN_ACCESSOR_A(name, kind, state, extra) \
Handle<Code> name();
BUILTIN_LIST_C(DECLARE_BUILTIN_ACCESSOR_C)
BUILTIN_LIST_A(DECLARE_BUILTIN_ACCESSOR_A)
BUILTIN_LIST_DEBUG_A(DECLARE_BUILTIN_ACCESSOR_A)
#undef DECLARE_BUILTIN_ACCESSOR_C
#undef DECLARE_BUILTIN_ACCESSOR_A
Code* builtin(Name name) {
// Code::cast cannot be used here since we access builtins
// during the marking phase of mark sweep. See IC::Clear.
return reinterpret_cast<Code*>(builtins_[name]);
}
Address builtin_address(Name name) {
return reinterpret_cast<Address>(&builtins_[name]);
}
static Address c_function_address(CFunctionId id) {
return c_functions_[id];
}
static const char* GetName(JavaScript id) { return javascript_names_[id]; }
static int GetArgumentsCount(JavaScript id) { return javascript_argc_[id]; }
Handle<Code> GetCode(JavaScript id, bool* resolved);
static int NumberOfJavaScriptBuiltins() { return id_count; }
bool is_initialized() const { return initialized_; }
private:
Builtins();
// The external C++ functions called from the code.
static Address const c_functions_[cfunction_count];
// Note: These are always Code objects, but to conform with
// IterateBuiltins() above which assumes Object**'s for the callback
// function f, we use an Object* array here.
Object* builtins_[builtin_count];
const char* names_[builtin_count];
static const char* const javascript_names_[id_count];
static int const javascript_argc_[id_count];
static void Generate_Adaptor(MacroAssembler* masm,
CFunctionId id,
BuiltinExtraArguments extra_args);
static void Generate_InRecompileQueue(MacroAssembler* masm);
static void Generate_InstallRecompiledCode(MacroAssembler* masm);
static void Generate_ParallelRecompile(MacroAssembler* masm);
static void Generate_JSConstructStubCountdown(MacroAssembler* masm);
static void Generate_JSConstructStubGeneric(MacroAssembler* masm);
static void Generate_JSConstructStubApi(MacroAssembler* masm);
static void Generate_JSEntryTrampoline(MacroAssembler* masm);
static void Generate_JSConstructEntryTrampoline(MacroAssembler* masm);
static void Generate_LazyCompile(MacroAssembler* masm);
static void Generate_LazyRecompile(MacroAssembler* masm);
static void Generate_NotifyDeoptimized(MacroAssembler* masm);
static void Generate_NotifySoftDeoptimized(MacroAssembler* masm);
static void Generate_NotifyLazyDeoptimized(MacroAssembler* masm);
static void Generate_NotifyOSR(MacroAssembler* masm);
static void Generate_NotifyStubFailure(MacroAssembler* masm);
static void Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm);
static void Generate_FunctionCall(MacroAssembler* masm);
static void Generate_FunctionApply(MacroAssembler* masm);
static void Generate_InternalArrayCode(MacroAssembler* masm);
static void Generate_ArrayCode(MacroAssembler* masm);
static void Generate_CommonArrayConstructCode(MacroAssembler* masm);
static void Generate_StringConstructCode(MacroAssembler* masm);
static void Generate_OnStackReplacement(MacroAssembler* masm);
#define DECLARE_CODE_AGE_BUILTIN_GENERATOR(C) \
static void Generate_Make##C##CodeYoungAgainEvenMarking( \
MacroAssembler* masm); \
static void Generate_Make##C##CodeYoungAgainOddMarking( \
MacroAssembler* masm);
CODE_AGE_LIST(DECLARE_CODE_AGE_BUILTIN_GENERATOR)
#undef DECLARE_CODE_AGE_BUILTIN_GENERATOR
static void InitBuiltinFunctionTable();
bool initialized_;
friend class BuiltinFunctionTable;
friend class Isolate;
DISALLOW_COPY_AND_ASSIGN(Builtins);
};
} } // namespace v8::internal
#endif // V8_BUILTINS_H_
|
