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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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94 // assembler.h, where it is defined, here. | 94 // assembler.h, where it is defined, here. |
95 typedef void* ExternalReferenceRedirectorPointer(); | 95 typedef void* ExternalReferenceRedirectorPointer(); |
96 | 96 |
97 | 97 |
98 #ifdef ENABLE_DEBUGGER_SUPPORT | 98 #ifdef ENABLE_DEBUGGER_SUPPORT |
99 class Debug; | 99 class Debug; |
100 class Debugger; | 100 class Debugger; |
101 class DebuggerAgent; | 101 class DebuggerAgent; |
102 #endif | 102 #endif |
103 | 103 |
104 #if !defined(__arm__) && defined(V8_TARGET_ARCH_ARM) || \ | 104 #if !defined(__arm__) && V8_TARGET_ARCH_ARM || \ |
105 !defined(__mips__) && defined(V8_TARGET_ARCH_MIPS) | 105 !defined(__mips__) && V8_TARGET_ARCH_MIPS |
106 class Redirection; | 106 class Redirection; |
107 class Simulator; | 107 class Simulator; |
108 #endif | 108 #endif |
109 | 109 |
110 | 110 |
111 // Static indirection table for handles to constants. If a frame | 111 // Static indirection table for handles to constants. If a frame |
112 // element represents a constant, the data contains an index into | 112 // element represents a constant, the data contains an index into |
113 // this table of handles to the actual constants. | 113 // this table of handles to the actual constants. |
114 // Static indirection table for handles to constants. If a Result | 114 // Static indirection table for handles to constants. If a Result |
115 // represents a constant, the data contains an index into this table | 115 // represents a constant, the data contains an index into this table |
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256 MaybeObject* scheduled_exception_; | 256 MaybeObject* scheduled_exception_; |
257 bool external_caught_exception_; | 257 bool external_caught_exception_; |
258 SaveContext* save_context_; | 258 SaveContext* save_context_; |
259 v8::TryCatch* catcher_; | 259 v8::TryCatch* catcher_; |
260 | 260 |
261 // Stack. | 261 // Stack. |
262 Address c_entry_fp_; // the frame pointer of the top c entry frame | 262 Address c_entry_fp_; // the frame pointer of the top c entry frame |
263 Address handler_; // try-blocks are chained through the stack | 263 Address handler_; // try-blocks are chained through the stack |
264 | 264 |
265 #ifdef USE_SIMULATOR | 265 #ifdef USE_SIMULATOR |
266 #if defined(V8_TARGET_ARCH_ARM) || defined(V8_TARGET_ARCH_MIPS) | 266 #if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_MIPS |
267 Simulator* simulator_; | 267 Simulator* simulator_; |
268 #endif | 268 #endif |
269 #endif // USE_SIMULATOR | 269 #endif // USE_SIMULATOR |
270 | 270 |
271 Address js_entry_sp_; // the stack pointer of the bottom JS entry frame | 271 Address js_entry_sp_; // the stack pointer of the bottom JS entry frame |
272 Address external_callback_; // the external callback we're currently in | 272 Address external_callback_; // the external callback we're currently in |
273 StateTag current_vm_state_; | 273 StateTag current_vm_state_; |
274 | 274 |
275 // Generated code scratch locations. | 275 // Generated code scratch locations. |
276 int32_t formal_count_; | 276 int32_t formal_count_; |
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384 // A thread has a PerIsolateThreadData instance for each isolate that it has | 384 // A thread has a PerIsolateThreadData instance for each isolate that it has |
385 // entered. That instance is allocated when the isolate is initially entered | 385 // entered. That instance is allocated when the isolate is initially entered |
386 // and reused on subsequent entries. | 386 // and reused on subsequent entries. |
387 class PerIsolateThreadData { | 387 class PerIsolateThreadData { |
388 public: | 388 public: |
389 PerIsolateThreadData(Isolate* isolate, ThreadId thread_id) | 389 PerIsolateThreadData(Isolate* isolate, ThreadId thread_id) |
390 : isolate_(isolate), | 390 : isolate_(isolate), |
391 thread_id_(thread_id), | 391 thread_id_(thread_id), |
392 stack_limit_(0), | 392 stack_limit_(0), |
393 thread_state_(NULL), | 393 thread_state_(NULL), |
394 #if !defined(__arm__) && defined(V8_TARGET_ARCH_ARM) || \ | 394 #if !defined(__arm__) && V8_TARGET_ARCH_ARM || \ |
395 !defined(__mips__) && defined(V8_TARGET_ARCH_MIPS) | 395 !defined(__mips__) && V8_TARGET_ARCH_MIPS |
396 simulator_(NULL), | 396 simulator_(NULL), |
397 #endif | 397 #endif |
398 next_(NULL), | 398 next_(NULL), |
399 prev_(NULL) { } | 399 prev_(NULL) { } |
400 Isolate* isolate() const { return isolate_; } | 400 Isolate* isolate() const { return isolate_; } |
401 ThreadId thread_id() const { return thread_id_; } | 401 ThreadId thread_id() const { return thread_id_; } |
402 void set_stack_limit(uintptr_t value) { stack_limit_ = value; } | 402 void set_stack_limit(uintptr_t value) { stack_limit_ = value; } |
403 uintptr_t stack_limit() const { return stack_limit_; } | 403 uintptr_t stack_limit() const { return stack_limit_; } |
404 ThreadState* thread_state() const { return thread_state_; } | 404 ThreadState* thread_state() const { return thread_state_; } |
405 void set_thread_state(ThreadState* value) { thread_state_ = value; } | 405 void set_thread_state(ThreadState* value) { thread_state_ = value; } |
406 | 406 |
407 #if !defined(__arm__) && defined(V8_TARGET_ARCH_ARM) || \ | 407 #if !defined(__arm__) && V8_TARGET_ARCH_ARM || \ |
408 !defined(__mips__) && defined(V8_TARGET_ARCH_MIPS) | 408 !defined(__mips__) && V8_TARGET_ARCH_MIPS |
409 Simulator* simulator() const { return simulator_; } | 409 Simulator* simulator() const { return simulator_; } |
410 void set_simulator(Simulator* simulator) { | 410 void set_simulator(Simulator* simulator) { |
411 simulator_ = simulator; | 411 simulator_ = simulator; |
412 } | 412 } |
413 #endif | 413 #endif |
414 | 414 |
415 bool Matches(Isolate* isolate, ThreadId thread_id) const { | 415 bool Matches(Isolate* isolate, ThreadId thread_id) const { |
416 return isolate_ == isolate && thread_id_.Equals(thread_id); | 416 return isolate_ == isolate && thread_id_.Equals(thread_id); |
417 } | 417 } |
418 | 418 |
419 private: | 419 private: |
420 Isolate* isolate_; | 420 Isolate* isolate_; |
421 ThreadId thread_id_; | 421 ThreadId thread_id_; |
422 uintptr_t stack_limit_; | 422 uintptr_t stack_limit_; |
423 ThreadState* thread_state_; | 423 ThreadState* thread_state_; |
424 | 424 |
425 #if !defined(__arm__) && defined(V8_TARGET_ARCH_ARM) || \ | 425 #if !defined(__arm__) && V8_TARGET_ARCH_ARM || \ |
426 !defined(__mips__) && defined(V8_TARGET_ARCH_MIPS) | 426 !defined(__mips__) && V8_TARGET_ARCH_MIPS |
427 Simulator* simulator_; | 427 Simulator* simulator_; |
428 #endif | 428 #endif |
429 | 429 |
430 PerIsolateThreadData* next_; | 430 PerIsolateThreadData* next_; |
431 PerIsolateThreadData* prev_; | 431 PerIsolateThreadData* prev_; |
432 | 432 |
433 friend class Isolate; | 433 friend class Isolate; |
434 friend class ThreadDataTable; | 434 friend class ThreadDataTable; |
435 friend class EntryStackItem; | 435 friend class EntryStackItem; |
436 | 436 |
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987 #ifdef DEBUG | 987 #ifdef DEBUG |
988 HistogramInfo* heap_histograms() { return heap_histograms_; } | 988 HistogramInfo* heap_histograms() { return heap_histograms_; } |
989 | 989 |
990 JSObject::SpillInformation* js_spill_information() { | 990 JSObject::SpillInformation* js_spill_information() { |
991 return &js_spill_information_; | 991 return &js_spill_information_; |
992 } | 992 } |
993 | 993 |
994 int* code_kind_statistics() { return code_kind_statistics_; } | 994 int* code_kind_statistics() { return code_kind_statistics_; } |
995 #endif | 995 #endif |
996 | 996 |
997 #if defined(V8_TARGET_ARCH_ARM) && !defined(__arm__) || \ | 997 #if V8_TARGET_ARCH_ARM && !defined(__arm__) || \ |
998 defined(V8_TARGET_ARCH_MIPS) && !defined(__mips__) | 998 V8_TARGET_ARCH_MIPS && !defined(__mips__) |
999 bool simulator_initialized() { return simulator_initialized_; } | 999 bool simulator_initialized() { return simulator_initialized_; } |
1000 void set_simulator_initialized(bool initialized) { | 1000 void set_simulator_initialized(bool initialized) { |
1001 simulator_initialized_ = initialized; | 1001 simulator_initialized_ = initialized; |
1002 } | 1002 } |
1003 | 1003 |
1004 HashMap* simulator_i_cache() { return simulator_i_cache_; } | 1004 HashMap* simulator_i_cache() { return simulator_i_cache_; } |
1005 void set_simulator_i_cache(HashMap* hash_map) { | 1005 void set_simulator_i_cache(HashMap* hash_map) { |
1006 simulator_i_cache_ = hash_map; | 1006 simulator_i_cache_ = hash_map; |
1007 } | 1007 } |
1008 | 1008 |
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1284 unibrow::Mapping<unibrow::Ecma262Canonicalize> interp_canonicalize_mapping_; | 1284 unibrow::Mapping<unibrow::Ecma262Canonicalize> interp_canonicalize_mapping_; |
1285 CodeStubInterfaceDescriptor* code_stub_interface_descriptors_; | 1285 CodeStubInterfaceDescriptor* code_stub_interface_descriptors_; |
1286 | 1286 |
1287 // The garbage collector should be a little more aggressive when it knows | 1287 // The garbage collector should be a little more aggressive when it knows |
1288 // that a context was recently exited. | 1288 // that a context was recently exited. |
1289 bool context_exit_happened_; | 1289 bool context_exit_happened_; |
1290 | 1290 |
1291 // Time stamp at initialization. | 1291 // Time stamp at initialization. |
1292 double time_millis_at_init_; | 1292 double time_millis_at_init_; |
1293 | 1293 |
1294 #if defined(V8_TARGET_ARCH_ARM) && !defined(__arm__) || \ | 1294 #if V8_TARGET_ARCH_ARM && !defined(__arm__) || \ |
1295 defined(V8_TARGET_ARCH_MIPS) && !defined(__mips__) | 1295 V8_TARGET_ARCH_MIPS && !defined(__mips__) |
1296 bool simulator_initialized_; | 1296 bool simulator_initialized_; |
1297 HashMap* simulator_i_cache_; | 1297 HashMap* simulator_i_cache_; |
1298 Redirection* simulator_redirection_; | 1298 Redirection* simulator_redirection_; |
1299 #endif | 1299 #endif |
1300 | 1300 |
1301 #ifdef DEBUG | 1301 #ifdef DEBUG |
1302 // A static array of histogram info for each type. | 1302 // A static array of histogram info for each type. |
1303 HistogramInfo heap_histograms_[LAST_TYPE + 1]; | 1303 HistogramInfo heap_histograms_[LAST_TYPE + 1]; |
1304 JSObject::SpillInformation js_spill_information_; | 1304 JSObject::SpillInformation js_spill_information_; |
1305 int code_kind_statistics_[Code::NUMBER_OF_KINDS]; | 1305 int code_kind_statistics_[Code::NUMBER_OF_KINDS]; |
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1487 | 1487 |
1488 // Mark the native context with out of memory. | 1488 // Mark the native context with out of memory. |
1489 inline void Context::mark_out_of_memory() { | 1489 inline void Context::mark_out_of_memory() { |
1490 native_context()->set_out_of_memory(HEAP->true_value()); | 1490 native_context()->set_out_of_memory(HEAP->true_value()); |
1491 } | 1491 } |
1492 | 1492 |
1493 | 1493 |
1494 } } // namespace v8::internal | 1494 } } // namespace v8::internal |
1495 | 1495 |
1496 #endif // V8_ISOLATE_H_ | 1496 #endif // V8_ISOLATE_H_ |
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