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 5286 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
5297 | 5297 |
5298 BailoutId TranslatePcOffsetToAstId(uint32_t pc_offset); | 5298 BailoutId TranslatePcOffsetToAstId(uint32_t pc_offset); |
5299 | 5299 |
5300 #define DECLARE_CODE_AGE_ENUM(X) k##X##CodeAge, | 5300 #define DECLARE_CODE_AGE_ENUM(X) k##X##CodeAge, |
5301 enum Age { | 5301 enum Age { |
5302 kNotExecutedCodeAge = -2, | 5302 kNotExecutedCodeAge = -2, |
5303 kExecutedOnceCodeAge = -1, | 5303 kExecutedOnceCodeAge = -1, |
5304 kNoAgeCodeAge = 0, | 5304 kNoAgeCodeAge = 0, |
5305 CODE_AGE_LIST(DECLARE_CODE_AGE_ENUM) | 5305 CODE_AGE_LIST(DECLARE_CODE_AGE_ENUM) |
5306 kAfterLastCodeAge, | 5306 kAfterLastCodeAge, |
| 5307 kFirstCodeAge = kNotExecutedCodeAge, |
5307 kLastCodeAge = kAfterLastCodeAge - 1, | 5308 kLastCodeAge = kAfterLastCodeAge - 1, |
5308 kCodeAgeCount = kAfterLastCodeAge - 1, | 5309 kCodeAgeCount = kAfterLastCodeAge - kNotExecutedCodeAge - 1, |
5309 kIsOldCodeAge = kSexagenarianCodeAge, | 5310 kIsOldCodeAge = kSexagenarianCodeAge, |
5310 kPreAgedCodeAge = kIsOldCodeAge - 1 | 5311 kPreAgedCodeAge = kIsOldCodeAge - 1 |
5311 }; | 5312 }; |
5312 #undef DECLARE_CODE_AGE_ENUM | 5313 #undef DECLARE_CODE_AGE_ENUM |
5313 | 5314 |
5314 // Code aging. Indicates how many full GCs this code has survived without | 5315 // Code aging. Indicates how many full GCs this code has survived without |
5315 // being entered through the prologue. Used to determine when it is | 5316 // being entered through the prologue. Used to determine when it is |
5316 // relatively safe to flush this code object and replace it with the lazy | 5317 // relatively safe to flush this code object and replace it with the lazy |
5317 // compilation stub. | 5318 // compilation stub. |
5318 static void MakeCodeAgeSequenceYoung(byte* sequence, Isolate* isolate); | 5319 static void MakeCodeAgeSequenceYoung(byte* sequence, Isolate* isolate); |
5319 static void MarkCodeAsExecuted(byte* sequence, Isolate* isolate); | 5320 static void MarkCodeAsExecuted(byte* sequence, Isolate* isolate); |
5320 void MakeOlder(MarkingParity); | 5321 void MakeOlder(MarkingParity); |
5321 static bool IsYoungSequence(byte* sequence); | 5322 static bool IsYoungSequence(byte* sequence); |
5322 bool IsOld(); | 5323 bool IsOld(); |
5323 Age GetAge(); | 5324 Age GetAge(); |
| 5325 // Gets the raw code age, including psuedo code-age values such as |
| 5326 // kNotExecutedCodeAge and kExecutedOnceCodeAge. |
| 5327 Age GetRawAge(); |
5324 static inline Code* GetPreAgedCodeAgeStub(Isolate* isolate) { | 5328 static inline Code* GetPreAgedCodeAgeStub(Isolate* isolate) { |
5325 return GetCodeAgeStub(isolate, kNotExecutedCodeAge, NO_MARKING_PARITY); | 5329 return GetCodeAgeStub(isolate, kNotExecutedCodeAge, NO_MARKING_PARITY); |
5326 } | 5330 } |
5327 | 5331 |
5328 void PrintDeoptLocation(int bailout_id); | 5332 void PrintDeoptLocation(int bailout_id); |
5329 bool CanDeoptAt(Address pc); | 5333 bool CanDeoptAt(Address pc); |
5330 | 5334 |
5331 #ifdef VERIFY_HEAP | 5335 #ifdef VERIFY_HEAP |
5332 void VerifyEmbeddedObjectsDependency(); | 5336 void VerifyEmbeddedObjectsDependency(); |
5333 #endif | 5337 #endif |
(...skipping 5093 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
10427 } else { | 10431 } else { |
10428 value &= ~(1 << bit_position); | 10432 value &= ~(1 << bit_position); |
10429 } | 10433 } |
10430 return value; | 10434 return value; |
10431 } | 10435 } |
10432 }; | 10436 }; |
10433 | 10437 |
10434 } } // namespace v8::internal | 10438 } } // namespace v8::internal |
10435 | 10439 |
10436 #endif // V8_OBJECTS_H_ | 10440 #endif // V8_OBJECTS_H_ |
OLD | NEW |