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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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436 thread_local_.break_count_ = 0; | 436 thread_local_.break_count_ = 0; |
437 thread_local_.break_id_ = 0; | 437 thread_local_.break_id_ = 0; |
438 thread_local_.break_frame_id_ = StackFrame::NO_ID; | 438 thread_local_.break_frame_id_ = StackFrame::NO_ID; |
439 thread_local_.last_step_action_ = StepNone; | 439 thread_local_.last_step_action_ = StepNone; |
440 thread_local_.last_statement_position_ = RelocInfo::kNoPosition; | 440 thread_local_.last_statement_position_ = RelocInfo::kNoPosition; |
441 thread_local_.step_count_ = 0; | 441 thread_local_.step_count_ = 0; |
442 thread_local_.last_fp_ = 0; | 442 thread_local_.last_fp_ = 0; |
443 thread_local_.step_into_fp_ = 0; | 443 thread_local_.step_into_fp_ = 0; |
444 thread_local_.after_break_target_ = 0; | 444 thread_local_.after_break_target_ = 0; |
445 thread_local_.debugger_entry_ = NULL; | 445 thread_local_.debugger_entry_ = NULL; |
446 thread_local_.preemption_pending_ = false; | 446 thread_local_.pending_interrupts_ = 0; |
447 } | 447 } |
448 | 448 |
449 | 449 |
450 JSCallerSavedBuffer Debug::registers_; | 450 JSCallerSavedBuffer Debug::registers_; |
451 Debug::ThreadLocal Debug::thread_local_; | 451 Debug::ThreadLocal Debug::thread_local_; |
452 | 452 |
453 | 453 |
454 char* Debug::ArchiveDebug(char* storage) { | 454 char* Debug::ArchiveDebug(char* storage) { |
455 char* to = storage; | 455 char* to = storage; |
456 memcpy(to, reinterpret_cast<char*>(&thread_local_), sizeof(ThreadLocal)); | 456 memcpy(to, reinterpret_cast<char*>(&thread_local_), sizeof(ThreadLocal)); |
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720 | 720 |
721 // Clear debugger context global handle. | 721 // Clear debugger context global handle. |
722 GlobalHandles::Destroy(reinterpret_cast<Object**>(debug_context_.location())); | 722 GlobalHandles::Destroy(reinterpret_cast<Object**>(debug_context_.location())); |
723 debug_context_ = Handle<Context>(); | 723 debug_context_ = Handle<Context>(); |
724 } | 724 } |
725 | 725 |
726 | 726 |
727 // Set the flag indicating that preemption happened during debugging. | 727 // Set the flag indicating that preemption happened during debugging. |
728 void Debug::PreemptionWhileInDebugger() { | 728 void Debug::PreemptionWhileInDebugger() { |
729 ASSERT(InDebugger()); | 729 ASSERT(InDebugger()); |
730 Debug::set_preemption_pending(true); | 730 Debug::set_interrupts_pending(PREEMPT); |
731 } | 731 } |
732 | 732 |
733 | 733 |
734 void Debug::Iterate(ObjectVisitor* v) { | 734 void Debug::Iterate(ObjectVisitor* v) { |
735 v->VisitPointer(bit_cast<Object**, Code**>(&(debug_break_return_entry_))); | 735 v->VisitPointer(bit_cast<Object**, Code**>(&(debug_break_return_entry_))); |
736 v->VisitPointer(bit_cast<Object**, Code**>(&(debug_break_return_))); | 736 v->VisitPointer(bit_cast<Object**, Code**>(&(debug_break_return_))); |
737 } | 737 } |
738 | 738 |
739 | 739 |
740 Object* Debug::Break(Arguments args) { | 740 Object* Debug::Break(Arguments args) { |
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1920 Handle<JSObject>::cast(event_data), | 1920 Handle<JSObject>::cast(event_data), |
1921 true); | 1921 true); |
1922 } | 1922 } |
1923 | 1923 |
1924 | 1924 |
1925 void Debugger::ProcessDebugEvent(v8::DebugEvent event, | 1925 void Debugger::ProcessDebugEvent(v8::DebugEvent event, |
1926 Handle<JSObject> event_data, | 1926 Handle<JSObject> event_data, |
1927 bool auto_continue) { | 1927 bool auto_continue) { |
1928 HandleScope scope; | 1928 HandleScope scope; |
1929 | 1929 |
| 1930 // Clear any pending debug break if this is a real break. |
| 1931 if (!auto_continue) { |
| 1932 Debug::clear_interrupt_pending(DEBUGBREAK); |
| 1933 } |
| 1934 |
1930 // Create the execution state. | 1935 // Create the execution state. |
1931 bool caught_exception = false; | 1936 bool caught_exception = false; |
1932 Handle<Object> exec_state = MakeExecutionState(&caught_exception); | 1937 Handle<Object> exec_state = MakeExecutionState(&caught_exception); |
1933 if (caught_exception) { | 1938 if (caught_exception) { |
1934 return; | 1939 return; |
1935 } | 1940 } |
1936 // First notify the message handler if any. | 1941 // First notify the message handler if any. |
1937 if (message_handler_ != NULL) { | 1942 if (message_handler_ != NULL) { |
1938 NotifyMessageHandler(event, | 1943 NotifyMessageHandler(event, |
1939 Handle<JSObject>::cast(exec_state), | 1944 Handle<JSObject>::cast(exec_state), |
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2529 | 2534 |
2530 | 2535 |
2531 void LockingCommandMessageQueue::Clear() { | 2536 void LockingCommandMessageQueue::Clear() { |
2532 ScopedLock sl(lock_); | 2537 ScopedLock sl(lock_); |
2533 queue_.Clear(); | 2538 queue_.Clear(); |
2534 } | 2539 } |
2535 | 2540 |
2536 #endif // ENABLE_DEBUGGER_SUPPORT | 2541 #endif // ENABLE_DEBUGGER_SUPPORT |
2537 | 2542 |
2538 } } // namespace v8::internal | 2543 } } // namespace v8::internal |
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