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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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413 #endif // DEBUG | 413 #endif // DEBUG |
414 } | 414 } |
415 | 415 |
416 | 416 |
417 void Heap::GarbageCollectionPrologue() { | 417 void Heap::GarbageCollectionPrologue() { |
418 isolate_->transcendental_cache()->Clear(); | 418 isolate_->transcendental_cache()->Clear(); |
419 ClearJSFunctionResultCaches(); | 419 ClearJSFunctionResultCaches(); |
420 gc_count_++; | 420 gc_count_++; |
421 unflattened_strings_length_ = 0; | 421 unflattened_strings_length_ = 0; |
422 | 422 |
423 bool should_enable_code_flushing = FLAG_flush_code; | 423 if (FLAG_flush_code && FLAG_flush_code_incrementally) { |
424 #ifdef ENABLE_DEBUGGER_SUPPORT | 424 mark_compact_collector()->EnableCodeFlushing(true); |
425 if (isolate_->debug()->IsLoaded() || isolate_->debug()->has_break_points()) { | |
426 should_enable_code_flushing = false; | |
427 } | 425 } |
428 #endif | |
429 mark_compact_collector()->EnableCodeFlushing(should_enable_code_flushing); | |
430 | 426 |
431 #ifdef VERIFY_HEAP | 427 #ifdef VERIFY_HEAP |
432 if (FLAG_verify_heap) { | 428 if (FLAG_verify_heap) { |
433 Verify(); | 429 Verify(); |
434 } | 430 } |
435 #endif | 431 #endif |
436 | 432 |
437 #ifdef DEBUG | 433 #ifdef DEBUG |
438 ASSERT(allocation_allowed_ && gc_state_ == NOT_IN_GC); | 434 ASSERT(allocation_allowed_ && gc_state_ == NOT_IN_GC); |
439 allow_allocation(false); | 435 allow_allocation(false); |
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7417 static_cast<int>(object_sizes_last_time_[index])); | 7413 static_cast<int>(object_sizes_last_time_[index])); |
7418 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADJUST_LAST_TIME_OBJECT_COUNT) | 7414 FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADJUST_LAST_TIME_OBJECT_COUNT) |
7419 #undef ADJUST_LAST_TIME_OBJECT_COUNT | 7415 #undef ADJUST_LAST_TIME_OBJECT_COUNT |
7420 | 7416 |
7421 memcpy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); | 7417 memcpy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); |
7422 memcpy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); | 7418 memcpy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); |
7423 ClearObjectStats(); | 7419 ClearObjectStats(); |
7424 } | 7420 } |
7425 | 7421 |
7426 } } // namespace v8::internal | 7422 } } // namespace v8::internal |
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