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Issue 178073002: Raise StackOverflow during bootstrapping (Closed) Base URL: git://github.com/v8/v8.git@master
Patch Set: Raise StackOverflow during bootstrapping Created 6 years, 9 months ago
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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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1442 1442
1443 // Support for checking for stack-overflows in C++ code. 1443 // Support for checking for stack-overflows in C++ code.
1444 class StackLimitCheck BASE_EMBEDDED { 1444 class StackLimitCheck BASE_EMBEDDED {
1445 public: 1445 public:
1446 explicit StackLimitCheck(Isolate* isolate) : isolate_(isolate) { } 1446 explicit StackLimitCheck(Isolate* isolate) : isolate_(isolate) { }
1447 1447
1448 bool HasOverflowed() const { 1448 bool HasOverflowed() const {
1449 StackGuard* stack_guard = isolate_->stack_guard(); 1449 StackGuard* stack_guard = isolate_->stack_guard();
1450 return (reinterpret_cast<uintptr_t>(this) < stack_guard->real_climit()); 1450 return (reinterpret_cast<uintptr_t>(this) < stack_guard->real_climit());
1451 } 1451 }
1452 bool WillOverflow(uint32_t additionalUsage) const {
1453 StackGuard* stack_guard = isolate_->stack_guard();
1454 return (reinterpret_cast<uintptr_t>(this) < stack_guard->real_climit() +
1455 additionalUsage);
1456 }
1452 private: 1457 private:
1453 Isolate* isolate_; 1458 Isolate* isolate_;
1454 }; 1459 };
1455 1460
1456 1461
1457 // Support for temporarily postponing interrupts. When the outermost 1462 // Support for temporarily postponing interrupts. When the outermost
1458 // postpone scope is left the interrupts will be re-enabled and any 1463 // postpone scope is left the interrupts will be re-enabled and any
1459 // interrupts that occurred while in the scope will be taken into 1464 // interrupts that occurred while in the scope will be taken into
1460 // account. 1465 // account.
1461 class PostponeInterruptsScope BASE_EMBEDDED { 1466 class PostponeInterruptsScope BASE_EMBEDDED {
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1554 } 1559 }
1555 1560
1556 EmbeddedVector<char, 128> filename_; 1561 EmbeddedVector<char, 128> filename_;
1557 FILE* file_; 1562 FILE* file_;
1558 int scope_depth_; 1563 int scope_depth_;
1559 }; 1564 };
1560 1565
1561 } } // namespace v8::internal 1566 } } // namespace v8::internal
1562 1567
1563 #endif // V8_ISOLATE_H_ 1568 #endif // V8_ISOLATE_H_
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