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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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236 static void reset_limits(const ExecutionAccess& lock) { | 236 static void reset_limits(const ExecutionAccess& lock) { |
237 thread_local_.jslimit_ = thread_local_.real_jslimit_; | 237 thread_local_.jslimit_ = thread_local_.real_jslimit_; |
238 thread_local_.climit_ = thread_local_.real_climit_; | 238 thread_local_.climit_ = thread_local_.real_climit_; |
239 Heap::SetStackLimits(); | 239 Heap::SetStackLimits(); |
240 } | 240 } |
241 | 241 |
242 // Enable or disable interrupts. | 242 // Enable or disable interrupts. |
243 static void EnableInterrupts(); | 243 static void EnableInterrupts(); |
244 static void DisableInterrupts(); | 244 static void DisableInterrupts(); |
245 | 245 |
246 static const uintptr_t kLimitSize = kPointerSize * 128 * KB; | |
247 | |
248 #ifdef V8_TARGET_ARCH_X64 | 246 #ifdef V8_TARGET_ARCH_X64 |
249 static const uintptr_t kInterruptLimit = V8_UINT64_C(0xfffffffffffffffe); | 247 static const uintptr_t kInterruptLimit = V8_UINT64_C(0xfffffffffffffffe); |
250 static const uintptr_t kIllegalLimit = V8_UINT64_C(0xfffffffffffffff8); | 248 static const uintptr_t kIllegalLimit = V8_UINT64_C(0xfffffffffffffff8); |
251 #else | 249 #else |
252 static const uintptr_t kInterruptLimit = 0xfffffffe; | 250 static const uintptr_t kInterruptLimit = 0xfffffffe; |
253 static const uintptr_t kIllegalLimit = 0xfffffff8; | 251 static const uintptr_t kIllegalLimit = 0xfffffff8; |
254 #endif | 252 #endif |
255 | 253 |
256 class ThreadLocal { | 254 class ThreadLocal { |
257 public: | 255 public: |
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315 ~PostponeInterruptsScope() { | 313 ~PostponeInterruptsScope() { |
316 if (--StackGuard::thread_local_.postpone_interrupts_nesting_ == 0) { | 314 if (--StackGuard::thread_local_.postpone_interrupts_nesting_ == 0) { |
317 StackGuard::EnableInterrupts(); | 315 StackGuard::EnableInterrupts(); |
318 } | 316 } |
319 } | 317 } |
320 }; | 318 }; |
321 | 319 |
322 } } // namespace v8::internal | 320 } } // namespace v8::internal |
323 | 321 |
324 #endif // V8_EXECUTION_H_ | 322 #endif // V8_EXECUTION_H_ |
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