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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <stdlib.h> | 5 #include <stdlib.h> |
6 | 6 |
7 #include <fstream> // NOLINT(readability/streams) | 7 #include <fstream> // NOLINT(readability/streams) |
8 #include <sstream> | 8 #include <sstream> |
9 | 9 |
10 #include "src/v8.h" | 10 #include "src/v8.h" |
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2625 WeakCell* cell = WeakCell::cast(detached_contexts->get(i + 1)); | 2625 WeakCell* cell = WeakCell::cast(detached_contexts->get(i + 1)); |
2626 if (mark_sweeps > 3) { | 2626 if (mark_sweeps > 3) { |
2627 PrintF("detached context 0x%p\n survived %d GCs (leak?)\n", | 2627 PrintF("detached context 0x%p\n survived %d GCs (leak?)\n", |
2628 static_cast<void*>(cell->value()), mark_sweeps); | 2628 static_cast<void*>(cell->value()), mark_sweeps); |
2629 } | 2629 } |
2630 } | 2630 } |
2631 } | 2631 } |
2632 if (new_length == 0) { | 2632 if (new_length == 0) { |
2633 heap()->set_detached_contexts(heap()->empty_fixed_array()); | 2633 heap()->set_detached_contexts(heap()->empty_fixed_array()); |
2634 } else if (new_length < length) { | 2634 } else if (new_length < length) { |
2635 heap()->RightTrimFixedArray<Heap::FROM_MUTATOR>(*detached_contexts, | 2635 heap()->RightTrimFixedArray<Heap::SWEEPING_STARTED>(*detached_contexts, |
2636 length - new_length); | 2636 length - new_length); |
2637 } | 2637 } |
2638 } | 2638 } |
2639 | 2639 |
2640 | 2640 |
2641 bool StackLimitCheck::JsHasOverflowed() const { | 2641 bool StackLimitCheck::JsHasOverflowed() const { |
2642 StackGuard* stack_guard = isolate_->stack_guard(); | 2642 StackGuard* stack_guard = isolate_->stack_guard(); |
2643 #ifdef USE_SIMULATOR | 2643 #ifdef USE_SIMULATOR |
2644 // The simulator uses a separate JS stack. | 2644 // The simulator uses a separate JS stack. |
2645 Address jssp_address = Simulator::current(isolate_)->get_sp(); | 2645 Address jssp_address = Simulator::current(isolate_)->get_sp(); |
2646 uintptr_t jssp = reinterpret_cast<uintptr_t>(jssp_address); | 2646 uintptr_t jssp = reinterpret_cast<uintptr_t>(jssp_address); |
2647 if (jssp < stack_guard->real_jslimit()) return true; | 2647 if (jssp < stack_guard->real_jslimit()) return true; |
2648 #endif // USE_SIMULATOR | 2648 #endif // USE_SIMULATOR |
2649 return GetCurrentStackPosition() < stack_guard->real_climit(); | 2649 return GetCurrentStackPosition() < stack_guard->real_climit(); |
2650 } | 2650 } |
2651 | 2651 |
2652 | 2652 |
2653 bool PostponeInterruptsScope::Intercept(StackGuard::InterruptFlag flag) { | 2653 bool PostponeInterruptsScope::Intercept(StackGuard::InterruptFlag flag) { |
2654 // First check whether the previous scope intercepts. | 2654 // First check whether the previous scope intercepts. |
2655 if (prev_ && prev_->Intercept(flag)) return true; | 2655 if (prev_ && prev_->Intercept(flag)) return true; |
2656 // Then check whether this scope intercepts. | 2656 // Then check whether this scope intercepts. |
2657 if ((flag & intercept_mask_)) { | 2657 if ((flag & intercept_mask_)) { |
2658 intercepted_flags_ |= flag; | 2658 intercepted_flags_ |= flag; |
2659 return true; | 2659 return true; |
2660 } | 2660 } |
2661 return false; | 2661 return false; |
2662 } | 2662 } |
2663 | 2663 |
2664 } } // namespace v8::internal | 2664 } } // namespace v8::internal |
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