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Issue 437004: Store API callback entry address prior to entering a callback. (Closed)
Patch Set: Created 11 years ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 2009 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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148 return; 148 return;
149 } 149 }
150 150
151 const Address js_entry_sp = Top::js_entry_sp(Top::GetCurrentThread()); 151 const Address js_entry_sp = Top::js_entry_sp(Top::GetCurrentThread());
152 if (js_entry_sp == 0) { 152 if (js_entry_sp == 0) {
153 // Not executing JS now. 153 // Not executing JS now.
154 sample->frames_count = 0; 154 sample->frames_count = 0;
155 return; 155 return;
156 } 156 }
157 157
158 int i = 0;
159 const Address callback = Logger::current_state_ ?
Søren Thygesen Gjesse 2009/11/23 14:35:12 Please use Logger::current_state_ != NULL.
mnaganov (inactive) 2009/11/23 14:42:26 Done.
160 Logger::current_state_->external_callback() : NULL;
161 if (callback != NULL) {
162 sample->stack[i++] = callback;
163 }
164
158 SafeStackTraceFrameIterator it( 165 SafeStackTraceFrameIterator it(
159 reinterpret_cast<Address>(sample->fp), 166 reinterpret_cast<Address>(sample->fp),
160 reinterpret_cast<Address>(sample->sp), 167 reinterpret_cast<Address>(sample->sp),
161 reinterpret_cast<Address>(sample->sp), 168 reinterpret_cast<Address>(sample->sp),
162 js_entry_sp); 169 js_entry_sp);
163 int i = 0;
164 while (!it.done() && i < TickSample::kMaxFramesCount) { 170 while (!it.done() && i < TickSample::kMaxFramesCount) {
165 sample->stack[i++] = it.frame()->pc(); 171 sample->stack[i++] = it.frame()->pc();
166 it.Advance(); 172 it.Advance();
167 } 173 }
168 sample->frames_count = i; 174 sample->frames_count = i;
169 } 175 }
170 176
171 177
172 // 178 //
173 // Ticker used to provide ticks to the profiler and the sliding state 179 // Ticker used to provide ticks to the profiler and the sliding state
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676 682
677 void Logger::CallbackEvent(String* name, Address entry_point) { 683 void Logger::CallbackEvent(String* name, Address entry_point) {
678 #ifdef ENABLE_LOGGING_AND_PROFILING 684 #ifdef ENABLE_LOGGING_AND_PROFILING
679 if (!Log::IsEnabled() || !FLAG_log_code) return; 685 if (!Log::IsEnabled() || !FLAG_log_code) return;
680 LogMessageBuilder msg; 686 LogMessageBuilder msg;
681 msg.Append("%s,%s,", 687 msg.Append("%s,%s,",
682 log_events_[CODE_CREATION_EVENT], log_events_[CALLBACK_TAG]); 688 log_events_[CODE_CREATION_EVENT], log_events_[CALLBACK_TAG]);
683 msg.AppendAddress(entry_point); 689 msg.AppendAddress(entry_point);
684 SmartPointer<char> str = 690 SmartPointer<char> str =
685 name->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL); 691 name->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL);
686 msg.Append(",0,\"%s\"", *str); 692 msg.Append(",1,\"%s\"", *str);
687 if (FLAG_compress_log) { 693 if (FLAG_compress_log) {
688 ASSERT(compression_helper_ != NULL); 694 ASSERT(compression_helper_ != NULL);
689 if (!compression_helper_->HandleMessage(&msg)) return; 695 if (!compression_helper_->HandleMessage(&msg)) return;
690 } 696 }
691 msg.Append('\n'); 697 msg.Append('\n');
692 msg.WriteToLogFile(); 698 msg.WriteToLogFile();
693 #endif 699 #endif
694 } 700 }
695 701
696 702
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1390 // Otherwise, if the sliding state window computation has not been 1396 // Otherwise, if the sliding state window computation has not been
1391 // started we do it now. 1397 // started we do it now.
1392 if (sliding_state_window_ == NULL) { 1398 if (sliding_state_window_ == NULL) {
1393 sliding_state_window_ = new SlidingStateWindow(); 1399 sliding_state_window_ = new SlidingStateWindow();
1394 } 1400 }
1395 #endif 1401 #endif
1396 } 1402 }
1397 1403
1398 1404
1399 } } // namespace v8::internal 1405 } } // namespace v8::internal
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