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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 201 static void ApiIndexedPropertyAccess(const char* tag, | 201 static void ApiIndexedPropertyAccess(const char* tag, |
| 202 JSObject* holder, | 202 JSObject* holder, |
| 203 uint32_t index); | 203 uint32_t index); |
| 204 static void ApiObjectAccess(const char* tag, JSObject* obj); | 204 static void ApiObjectAccess(const char* tag, JSObject* obj); |
| 205 static void ApiEntryCall(const char* name); | 205 static void ApiEntryCall(const char* name); |
| 206 | 206 |
| 207 | 207 |
| 208 // ==== Events logged by --log-code. ==== | 208 // ==== Events logged by --log-code. ==== |
| 209 // Emits a code event for a callback function. | 209 // Emits a code event for a callback function. |
| 210 static void CallbackEvent(String* name, Address entry_point); | 210 static void CallbackEvent(String* name, Address entry_point); |
| 211 static void GetterCallbackEvent(String* name, Address entry_point); |
| 212 static void SetterCallbackEvent(String* name, Address entry_point); |
| 211 // Emits a code create event. | 213 // Emits a code create event. |
| 212 static void CodeCreateEvent(LogEventsAndTags tag, | 214 static void CodeCreateEvent(LogEventsAndTags tag, |
| 213 Code* code, const char* source); | 215 Code* code, const char* source); |
| 214 static void CodeCreateEvent(LogEventsAndTags tag, Code* code, String* name); | 216 static void CodeCreateEvent(LogEventsAndTags tag, Code* code, String* name); |
| 215 static void CodeCreateEvent(LogEventsAndTags tag, Code* code, String* name, | 217 static void CodeCreateEvent(LogEventsAndTags tag, Code* code, String* name, |
| 216 String* source, int line); | 218 String* source, int line); |
| 217 static void CodeCreateEvent(LogEventsAndTags tag, Code* code, int args_count); | 219 static void CodeCreateEvent(LogEventsAndTags tag, Code* code, int args_count); |
| 218 // Emits a code create event for a RegExp. | 220 // Emits a code create event for a RegExp. |
| 219 static void RegExpCodeCreateEvent(Code* code, String* source); | 221 static void RegExpCodeCreateEvent(Code* code, String* source); |
| 220 // Emits a code move event. | 222 // Emits a code move event. |
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| 266 static void PauseProfiler(int flags); | 268 static void PauseProfiler(int flags); |
| 267 static void ResumeProfiler(int flags); | 269 static void ResumeProfiler(int flags); |
| 268 static int GetActiveProfilerModules(); | 270 static int GetActiveProfilerModules(); |
| 269 | 271 |
| 270 // If logging is performed into a memory buffer, allows to | 272 // If logging is performed into a memory buffer, allows to |
| 271 // retrieve previously written messages. See v8.h. | 273 // retrieve previously written messages. See v8.h. |
| 272 static int GetLogLines(int from_pos, char* dest_buf, int max_size); | 274 static int GetLogLines(int from_pos, char* dest_buf, int max_size); |
| 273 | 275 |
| 274 // Logs all compiled functions found in the heap. | 276 // Logs all compiled functions found in the heap. |
| 275 static void LogCompiledFunctions(); | 277 static void LogCompiledFunctions(); |
| 278 // Logs all accessor callbacks found in the heap. |
| 279 static void LogAccessorCallbacks(); |
| 276 // Used for logging stubs found in the snapshot. | 280 // Used for logging stubs found in the snapshot. |
| 277 static void LogCodeObject(Object* code_object); | 281 static void LogCodeObject(Object* code_object); |
| 278 | 282 |
| 279 private: | 283 private: |
| 280 | 284 |
| 281 // Profiler's sampling interval (in milliseconds). | 285 // Profiler's sampling interval (in milliseconds). |
| 282 static const int kSamplingIntervalMs = 1; | 286 static const int kSamplingIntervalMs = 1; |
| 283 | 287 |
| 284 // Size of window used for log records compression. | 288 // Size of window used for log records compression. |
| 285 static const int kCompressionWindowSize = 4; | 289 static const int kCompressionWindowSize = 4; |
| 286 | 290 |
| 287 // Emits the profiler's first message. | 291 // Emits the profiler's first message. |
| 288 static void ProfilerBeginEvent(); | 292 static void ProfilerBeginEvent(); |
| 289 | 293 |
| 294 // Emits callback event messages. |
| 295 static void CallbackEventInternal(const char* prefix, |
| 296 const char* name, |
| 297 Address entry_point); |
| 298 |
| 290 // Emits aliases for compressed messages. | 299 // Emits aliases for compressed messages. |
| 291 static void LogAliases(); | 300 static void LogAliases(); |
| 292 | 301 |
| 293 // Emits the source code of a regexp. Used by regexp events. | 302 // Emits the source code of a regexp. Used by regexp events. |
| 294 static void LogRegExpSource(Handle<JSRegExp> regexp); | 303 static void LogRegExpSource(Handle<JSRegExp> regexp); |
| 295 | 304 |
| 296 // Emits a profiler tick event. Used by the profiler thread. | 305 // Emits a profiler tick event. Used by the profiler thread. |
| 297 static void TickEvent(TickSample* sample, bool overflow); | 306 static void TickEvent(TickSample* sample, bool overflow); |
| 298 | 307 |
| 299 static void ApiEvent(const char* name, ...); | 308 static void ApiEvent(const char* name, ...); |
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| 353 // Class that extracts stack trace, used for profiling. | 362 // Class that extracts stack trace, used for profiling. |
| 354 class StackTracer : public AllStatic { | 363 class StackTracer : public AllStatic { |
| 355 public: | 364 public: |
| 356 static void Trace(TickSample* sample); | 365 static void Trace(TickSample* sample); |
| 357 }; | 366 }; |
| 358 | 367 |
| 359 | 368 |
| 360 } } // namespace v8::internal | 369 } } // namespace v8::internal |
| 361 | 370 |
| 362 #endif // V8_LOG_H_ | 371 #endif // V8_LOG_H_ |
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