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Issue 359963004: Reland "Add mechanism to postpone interrupts selectively." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 5 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 // 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/bootstrapper.h" 10 #include "src/bootstrapper.h"
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2364 #ifdef USE_SIMULATOR 2364 #ifdef USE_SIMULATOR
2365 // The simulator uses a separate JS stack. 2365 // The simulator uses a separate JS stack.
2366 Address jssp_address = Simulator::current(isolate_)->get_sp(); 2366 Address jssp_address = Simulator::current(isolate_)->get_sp();
2367 uintptr_t jssp = reinterpret_cast<uintptr_t>(jssp_address); 2367 uintptr_t jssp = reinterpret_cast<uintptr_t>(jssp_address);
2368 if (jssp < stack_guard->real_jslimit()) return true; 2368 if (jssp < stack_guard->real_jslimit()) return true;
2369 #endif // USE_SIMULATOR 2369 #endif // USE_SIMULATOR
2370 return reinterpret_cast<uintptr_t>(this) < stack_guard->real_climit(); 2370 return reinterpret_cast<uintptr_t>(this) < stack_guard->real_climit();
2371 } 2371 }
2372 2372
2373 2373
2374 bool PostponeInterruptsScope::Intercept(StackGuard::InterruptFlag flag) {
2375 // First check whether the previous scope intercepts.
2376 if (prev_ && prev_->Intercept(flag)) return true;
2377 // Then check whether this scope intercepts.
2378 if ((flag & intercept_mask_)) {
2379 intercepted_flags_ |= flag;
2380 return true;
2381 }
2382 return false;
2383 }
2384
2374 } } // namespace v8::internal 2385 } } // namespace v8::internal
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