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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 |
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144 V(STORE_IC_TAG, "StoreIC") \ | 144 V(STORE_IC_TAG, "StoreIC") \ |
145 V(STORE_POLYMORPHIC_IC_TAG, "StorePolymorphicIC") \ | 145 V(STORE_POLYMORPHIC_IC_TAG, "StorePolymorphicIC") \ |
146 V(STUB_TAG, "Stub") \ | 146 V(STUB_TAG, "Stub") \ |
147 V(NATIVE_FUNCTION_TAG, "Function") \ | 147 V(NATIVE_FUNCTION_TAG, "Function") \ |
148 V(NATIVE_LAZY_COMPILE_TAG, "LazyCompile") \ | 148 V(NATIVE_LAZY_COMPILE_TAG, "LazyCompile") \ |
149 V(NATIVE_SCRIPT_TAG, "Script") | 149 V(NATIVE_SCRIPT_TAG, "Script") |
150 // Note that 'NATIVE_' cases for functions and scripts are mapped onto | 150 // Note that 'NATIVE_' cases for functions and scripts are mapped onto |
151 // original tags when writing to the log. | 151 // original tags when writing to the log. |
152 | 152 |
153 | 153 |
| 154 class LowLevelLogger; |
154 class Sampler; | 155 class Sampler; |
155 | 156 |
156 | 157 |
157 class Logger { | 158 class Logger { |
158 public: | 159 public: |
159 #define DECLARE_ENUM(enum_item, ignore) enum_item, | 160 #define DECLARE_ENUM(enum_item, ignore) enum_item, |
160 enum LogEventsAndTags { | 161 enum LogEventsAndTags { |
161 LOG_EVENTS_AND_TAGS_LIST(DECLARE_ENUM) | 162 LOG_EVENTS_AND_TAGS_LIST(DECLARE_ENUM) |
162 NUMBER_OF_LOG_EVENTS | 163 NUMBER_OF_LOG_EVENTS |
163 }; | 164 }; |
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423 | 424 |
424 // Helper method. It dumps name into name_buffer_. | 425 // Helper method. It dumps name into name_buffer_. |
425 void AppendName(Name* name); | 426 void AppendName(Name* name); |
426 | 427 |
427 // Appends standard code header. | 428 // Appends standard code header. |
428 void AppendCodeCreateHeader(LogMessageBuilder*, LogEventsAndTags, Code*); | 429 void AppendCodeCreateHeader(LogMessageBuilder*, LogEventsAndTags, Code*); |
429 | 430 |
430 // Appends symbol for the name. | 431 // Appends symbol for the name. |
431 void AppendSymbolName(LogMessageBuilder*, Symbol*); | 432 void AppendSymbolName(LogMessageBuilder*, Symbol*); |
432 | 433 |
433 // Emits general information about generated code. | |
434 void LogCodeInfo(); | |
435 | |
436 void RegisterSnapshotCodeName(Code* code, const char* name, int name_size); | 434 void RegisterSnapshotCodeName(Code* code, const char* name, int name_size); |
437 | 435 |
438 // Low-level logging support. | |
439 | |
440 void LowLevelCodeCreateEvent(Code* code, const char* name, int name_size); | |
441 | |
442 void LowLevelCodeMoveEvent(Address from, Address to); | |
443 | |
444 void LowLevelCodeDeleteEvent(Address from); | |
445 | |
446 void LowLevelSnapshotPositionEvent(Address addr, int pos); | |
447 | |
448 void LowLevelLogWriteBytes(const char* bytes, int size); | |
449 | |
450 template <typename T> | |
451 void LowLevelLogWriteStruct(const T& s) { | |
452 char tag = T::kTag; | |
453 LowLevelLogWriteBytes(reinterpret_cast<const char*>(&tag), sizeof(tag)); | |
454 LowLevelLogWriteBytes(reinterpret_cast<const char*>(&s), sizeof(s)); | |
455 } | |
456 | |
457 // Emits a profiler tick event. Used by the profiler thread. | 436 // Emits a profiler tick event. Used by the profiler thread. |
458 void TickEvent(TickSample* sample, bool overflow); | 437 void TickEvent(TickSample* sample, bool overflow); |
459 | 438 |
460 void ApiEvent(const char* name, ...); | 439 void ApiEvent(const char* name, ...); |
461 | 440 |
462 // Logs a StringEvent regardless of whether FLAG_log is true. | 441 // Logs a StringEvent regardless of whether FLAG_log is true. |
463 void UncheckedStringEvent(const char* name, const char* value); | 442 void UncheckedStringEvent(const char* name, const char* value); |
464 | 443 |
465 // Logs an IntEvent regardless of whether FLAG_log is true. | 444 // Logs an IntEvent regardless of whether FLAG_log is true. |
466 void UncheckedIntEvent(const char* name, int value); | 445 void UncheckedIntEvent(const char* name, int value); |
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488 friend class Profiler; | 467 friend class Profiler; |
489 template <StateTag Tag> friend class VMState; | 468 template <StateTag Tag> friend class VMState; |
490 | 469 |
491 friend class LoggerTestHelper; | 470 friend class LoggerTestHelper; |
492 | 471 |
493 | 472 |
494 int logging_nesting_; | 473 int logging_nesting_; |
495 int cpu_profiler_nesting_; | 474 int cpu_profiler_nesting_; |
496 | 475 |
497 Log* log_; | 476 Log* log_; |
| 477 LowLevelLogger* ll_logger_; |
498 | 478 |
499 NameBuffer* name_buffer_; | 479 NameBuffer* name_buffer_; |
500 | 480 |
501 NameMap* address_to_name_map_; | 481 NameMap* address_to_name_map_; |
502 | 482 |
503 // Guards against multiple calls to TearDown() that can happen in some tests. | 483 // Guards against multiple calls to TearDown() that can happen in some tests. |
504 // 'true' between SetUp() and TearDown(). | 484 // 'true' between SetUp() and TearDown(). |
505 bool is_initialized_; | 485 bool is_initialized_; |
506 | 486 |
507 // The code event handler - if any. | 487 // The code event handler - if any. |
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521 int64_t epoch_; | 501 int64_t epoch_; |
522 | 502 |
523 friend class CpuProfiler; | 503 friend class CpuProfiler; |
524 }; | 504 }; |
525 | 505 |
526 | 506 |
527 } } // namespace v8::internal | 507 } } // namespace v8::internal |
528 | 508 |
529 | 509 |
530 #endif // V8_LOG_H_ | 510 #endif // V8_LOG_H_ |
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