OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 4960 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
4971 CALLBACKS, | 4971 CALLBACKS, |
4972 INTERCEPTOR, | 4972 INTERCEPTOR, |
4973 TRANSITION, | 4973 TRANSITION, |
4974 NONEXISTENT | 4974 NONEXISTENT |
4975 }; | 4975 }; |
4976 | 4976 |
4977 typedef int ExtraICState; | 4977 typedef int ExtraICState; |
4978 | 4978 |
4979 static const ExtraICState kNoExtraICState = 0; | 4979 static const ExtraICState kNoExtraICState = 0; |
4980 | 4980 |
| 4981 static const int kPrologueOffsetNotSet = -1; |
| 4982 |
4981 #ifdef ENABLE_DISASSEMBLER | 4983 #ifdef ENABLE_DISASSEMBLER |
4982 // Printing | 4984 // Printing |
4983 static const char* ICState2String(InlineCacheState state); | 4985 static const char* ICState2String(InlineCacheState state); |
4984 static const char* StubType2String(StubType type); | 4986 static const char* StubType2String(StubType type); |
4985 static void PrintExtraICState(FILE* out, Kind kind, ExtraICState extra); | 4987 static void PrintExtraICState(FILE* out, Kind kind, ExtraICState extra); |
4986 void Disassemble(const char* name, FILE* out = stdout); | 4988 void Disassemble(const char* name, FILE* out = stdout); |
4987 #endif // ENABLE_DISASSEMBLER | 4989 #endif // ENABLE_DISASSEMBLER |
4988 | 4990 |
4989 // [instruction_size]: Size of the native instructions | 4991 // [instruction_size]: Size of the native instructions |
4990 inline int instruction_size(); | 4992 inline int instruction_size(); |
(...skipping 299 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
5290 DECLARE_PRINTER(Code) | 5292 DECLARE_PRINTER(Code) |
5291 DECLARE_VERIFIER(Code) | 5293 DECLARE_VERIFIER(Code) |
5292 | 5294 |
5293 void ClearInlineCaches(); | 5295 void ClearInlineCaches(); |
5294 void ClearTypeFeedbackCells(Heap* heap); | 5296 void ClearTypeFeedbackCells(Heap* heap); |
5295 | 5297 |
5296 BailoutId TranslatePcOffsetToAstId(uint32_t pc_offset); | 5298 BailoutId TranslatePcOffsetToAstId(uint32_t pc_offset); |
5297 | 5299 |
5298 #define DECLARE_CODE_AGE_ENUM(X) k##X##CodeAge, | 5300 #define DECLARE_CODE_AGE_ENUM(X) k##X##CodeAge, |
5299 enum Age { | 5301 enum Age { |
| 5302 kNotExecutedCodeAge = -2, |
| 5303 kExecutedOnceCodeAge = -1, |
5300 kNoAge = 0, | 5304 kNoAge = 0, |
5301 CODE_AGE_LIST(DECLARE_CODE_AGE_ENUM) | 5305 CODE_AGE_LIST(DECLARE_CODE_AGE_ENUM) |
5302 kAfterLastCodeAge, | 5306 kAfterLastCodeAge, |
5303 kLastCodeAge = kAfterLastCodeAge - 1, | 5307 kLastCodeAge = kAfterLastCodeAge - 1, |
5304 kCodeAgeCount = kAfterLastCodeAge - 1 | 5308 kCodeAgeCount = kAfterLastCodeAge - 1, |
| 5309 kIsOldCodeAge = kSexagenarianCodeAge, |
| 5310 kPreAgedCodeAge = kIsOldCodeAge - 1 |
5305 }; | 5311 }; |
5306 #undef DECLARE_CODE_AGE_ENUM | 5312 #undef DECLARE_CODE_AGE_ENUM |
5307 | 5313 |
5308 // Code aging. Indicates how many full GCs this code has survived without | 5314 // Code aging. Indicates how many full GCs this code has survived without |
5309 // being entered through the prologue. Used to determine when it is | 5315 // being entered through the prologue. Used to determine when it is |
5310 // relatively safe to flush this code object and replace it with the lazy | 5316 // relatively safe to flush this code object and replace it with the lazy |
5311 // compilation stub. | 5317 // compilation stub. |
5312 static void MakeCodeAgeSequenceYoung(byte* sequence, Isolate* isolate); | 5318 static void MakeCodeAgeSequenceYoung(byte* sequence, Isolate* isolate); |
| 5319 static void MarkCodeAsExecuted(byte* sequence, Isolate* isolate); |
5313 void MakeOlder(MarkingParity); | 5320 void MakeOlder(MarkingParity); |
5314 static bool IsYoungSequence(byte* sequence); | 5321 static bool IsYoungSequence(byte* sequence); |
5315 bool IsOld(); | 5322 bool IsOld(); |
5316 int GetAge(); | 5323 Age GetAge(); |
| 5324 static inline Code* GetPreAgedCodeAgeStub(Isolate* isolate) { |
| 5325 return GetCodeAgeStub(isolate, kNotExecutedCodeAge, NO_MARKING_PARITY); |
| 5326 } |
5317 | 5327 |
5318 void PrintDeoptLocation(int bailout_id); | 5328 void PrintDeoptLocation(int bailout_id); |
5319 bool CanDeoptAt(Address pc); | 5329 bool CanDeoptAt(Address pc); |
5320 | 5330 |
5321 #ifdef VERIFY_HEAP | 5331 #ifdef VERIFY_HEAP |
5322 void VerifyEmbeddedObjectsDependency(); | 5332 void VerifyEmbeddedObjectsDependency(); |
5323 #endif | 5333 #endif |
5324 | 5334 |
5325 static bool IsWeakEmbeddedObject(Kind kind, Object* object); | 5335 static bool IsWeakEmbeddedObject(Kind kind, Object* object); |
5326 | 5336 |
(...skipping 5091 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
10418 } else { | 10428 } else { |
10419 value &= ~(1 << bit_position); | 10429 value &= ~(1 << bit_position); |
10420 } | 10430 } |
10421 return value; | 10431 return value; |
10422 } | 10432 } |
10423 }; | 10433 }; |
10424 | 10434 |
10425 } } // namespace v8::internal | 10435 } } // namespace v8::internal |
10426 | 10436 |
10427 #endif // V8_OBJECTS_H_ | 10437 #endif // V8_OBJECTS_H_ |
OLD | NEW |