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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 "src/v8.h" | 7 #include "src/v8.h" |
| 8 | 8 |
| 9 #include "src/ast.h" | 9 #include "src/ast.h" |
| 10 #include "src/base/platform/platform.h" | 10 #include "src/base/platform/platform.h" |
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| 2347 | 2347 |
| 2348 | 2348 |
| 2349 bool StackLimitCheck::JsHasOverflowed() const { | 2349 bool StackLimitCheck::JsHasOverflowed() const { |
| 2350 StackGuard* stack_guard = isolate_->stack_guard(); | 2350 StackGuard* stack_guard = isolate_->stack_guard(); |
| 2351 #ifdef USE_SIMULATOR | 2351 #ifdef USE_SIMULATOR |
| 2352 // The simulator uses a separate JS stack. | 2352 // The simulator uses a separate JS stack. |
| 2353 Address jssp_address = Simulator::current(isolate_)->get_sp(); | 2353 Address jssp_address = Simulator::current(isolate_)->get_sp(); |
| 2354 uintptr_t jssp = reinterpret_cast<uintptr_t>(jssp_address); | 2354 uintptr_t jssp = reinterpret_cast<uintptr_t>(jssp_address); |
| 2355 if (jssp < stack_guard->real_jslimit()) return true; | 2355 if (jssp < stack_guard->real_jslimit()) return true; |
| 2356 #endif // USE_SIMULATOR | 2356 #endif // USE_SIMULATOR |
| 2357 return reinterpret_cast<uintptr_t>(this) < stack_guard->real_climit(); | 2357 return GetCurrentStackPosition() < stack_guard->real_climit(); |
| 2358 } | 2358 } |
| 2359 | 2359 |
| 2360 | 2360 |
| 2361 bool PostponeInterruptsScope::Intercept(StackGuard::InterruptFlag flag) { | 2361 bool PostponeInterruptsScope::Intercept(StackGuard::InterruptFlag flag) { |
| 2362 // First check whether the previous scope intercepts. | 2362 // First check whether the previous scope intercepts. |
| 2363 if (prev_ && prev_->Intercept(flag)) return true; | 2363 if (prev_ && prev_->Intercept(flag)) return true; |
| 2364 // Then check whether this scope intercepts. | 2364 // Then check whether this scope intercepts. |
| 2365 if ((flag & intercept_mask_)) { | 2365 if ((flag & intercept_mask_)) { |
| 2366 intercepted_flags_ |= flag; | 2366 intercepted_flags_ |= flag; |
| 2367 return true; | 2367 return true; |
| 2368 } | 2368 } |
| 2369 return false; | 2369 return false; |
| 2370 } | 2370 } |
| 2371 | 2371 |
| 2372 } } // namespace v8::internal | 2372 } } // namespace v8::internal |
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