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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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540 Address get_address_from_id(AddressId id); | 540 Address get_address_from_id(AddressId id); |
541 | 541 |
542 // Access to top context (where the current function object was created). | 542 // Access to top context (where the current function object was created). |
543 Context* context() { return thread_local_top_.context_; } | 543 Context* context() { return thread_local_top_.context_; } |
544 void set_context(Context* context) { | 544 void set_context(Context* context) { |
545 ASSERT(context == NULL || context->IsContext()); | 545 ASSERT(context == NULL || context->IsContext()); |
546 thread_local_top_.context_ = context; | 546 thread_local_top_.context_ = context; |
547 } | 547 } |
548 Context** context_address() { return &thread_local_top_.context_; } | 548 Context** context_address() { return &thread_local_top_.context_; } |
549 | 549 |
550 SaveContext* save_context() {return thread_local_top_.save_context_; } | 550 SaveContext* save_context() { return thread_local_top_.save_context_; } |
551 void set_save_context(SaveContext* save) { | 551 void set_save_context(SaveContext* save) { |
552 thread_local_top_.save_context_ = save; | 552 thread_local_top_.save_context_ = save; |
553 } | 553 } |
554 | 554 |
555 // Access to current thread id. | 555 // Access to current thread id. |
556 ThreadId thread_id() { return thread_local_top_.thread_id_; } | 556 ThreadId thread_id() { return thread_local_top_.thread_id_; } |
557 void set_thread_id(ThreadId id) { thread_local_top_.thread_id_ = id; } | 557 void set_thread_id(ThreadId id) { thread_local_top_.thread_id_ = id; } |
558 | 558 |
559 // Interface to pending exception. | 559 // Interface to pending exception. |
560 MaybeObject* pending_exception() { | 560 MaybeObject* pending_exception() { |
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1043 thread_local_top_.top_lookup_result_ = top; | 1043 thread_local_top_.top_lookup_result_ = top; |
1044 } | 1044 } |
1045 | 1045 |
1046 bool context_exit_happened() { | 1046 bool context_exit_happened() { |
1047 return context_exit_happened_; | 1047 return context_exit_happened_; |
1048 } | 1048 } |
1049 void set_context_exit_happened(bool context_exit_happened) { | 1049 void set_context_exit_happened(bool context_exit_happened) { |
1050 context_exit_happened_ = context_exit_happened; | 1050 context_exit_happened_ = context_exit_happened; |
1051 } | 1051 } |
1052 | 1052 |
| 1053 bool initialized_from_snapshot() { return initialized_from_snapshot_; } |
| 1054 |
1053 double time_millis_since_init() { | 1055 double time_millis_since_init() { |
1054 return OS::TimeCurrentMillis() - time_millis_at_init_; | 1056 return OS::TimeCurrentMillis() - time_millis_at_init_; |
1055 } | 1057 } |
1056 | 1058 |
1057 DateCache* date_cache() { | 1059 DateCache* date_cache() { |
1058 return date_cache_; | 1060 return date_cache_; |
1059 } | 1061 } |
1060 | 1062 |
1061 void set_date_cache(DateCache* date_cache) { | 1063 void set_date_cache(DateCache* date_cache) { |
1062 if (date_cache != date_cache_) { | 1064 if (date_cache != date_cache_) { |
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1102 } | 1104 } |
1103 void set_callback_table(CallbackTable* callback_table) { | 1105 void set_callback_table(CallbackTable* callback_table) { |
1104 callback_table_ = callback_table; | 1106 callback_table_ = callback_table; |
1105 } | 1107 } |
1106 | 1108 |
1107 int id() const { return static_cast<int>(id_); } | 1109 int id() const { return static_cast<int>(id_); } |
1108 | 1110 |
1109 HStatistics* GetHStatistics(); | 1111 HStatistics* GetHStatistics(); |
1110 HTracer* GetHTracer(); | 1112 HTracer* GetHTracer(); |
1111 | 1113 |
| 1114 FunctionEntryHook function_entry_hook() { return function_entry_hook_; } |
| 1115 void set_function_entry_hook(FunctionEntryHook function_entry_hook) { |
| 1116 function_entry_hook_ = function_entry_hook; |
| 1117 } |
| 1118 |
1112 private: | 1119 private: |
1113 Isolate(); | 1120 Isolate(); |
1114 | 1121 |
1115 friend struct GlobalState; | 1122 friend struct GlobalState; |
1116 friend struct InitializeGlobalState; | 1123 friend struct InitializeGlobalState; |
1117 | 1124 |
1118 enum State { | 1125 enum State { |
1119 UNINITIALIZED, // Some components may not have been allocated. | 1126 UNINITIALIZED, // Some components may not have been allocated. |
1120 INITIALIZED // All components are fully initialized. | 1127 INITIALIZED // All components are fully initialized. |
1121 }; | 1128 }; |
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1281 regexp_macro_assembler_canonicalize_; | 1288 regexp_macro_assembler_canonicalize_; |
1282 RegExpStack* regexp_stack_; | 1289 RegExpStack* regexp_stack_; |
1283 DateCache* date_cache_; | 1290 DateCache* date_cache_; |
1284 unibrow::Mapping<unibrow::Ecma262Canonicalize> interp_canonicalize_mapping_; | 1291 unibrow::Mapping<unibrow::Ecma262Canonicalize> interp_canonicalize_mapping_; |
1285 CodeStubInterfaceDescriptor* code_stub_interface_descriptors_; | 1292 CodeStubInterfaceDescriptor* code_stub_interface_descriptors_; |
1286 | 1293 |
1287 // The garbage collector should be a little more aggressive when it knows | 1294 // The garbage collector should be a little more aggressive when it knows |
1288 // that a context was recently exited. | 1295 // that a context was recently exited. |
1289 bool context_exit_happened_; | 1296 bool context_exit_happened_; |
1290 | 1297 |
| 1298 // True if this isolate was initialized from a snapshot. |
| 1299 bool initialized_from_snapshot_; |
| 1300 |
1291 // Time stamp at initialization. | 1301 // Time stamp at initialization. |
1292 double time_millis_at_init_; | 1302 double time_millis_at_init_; |
1293 | 1303 |
1294 #if defined(V8_TARGET_ARCH_ARM) && !defined(__arm__) || \ | 1304 #if defined(V8_TARGET_ARCH_ARM) && !defined(__arm__) || \ |
1295 defined(V8_TARGET_ARCH_MIPS) && !defined(__mips__) | 1305 defined(V8_TARGET_ARCH_MIPS) && !defined(__mips__) |
1296 bool simulator_initialized_; | 1306 bool simulator_initialized_; |
1297 HashMap* simulator_i_cache_; | 1307 HashMap* simulator_i_cache_; |
1298 Redirection* simulator_redirection_; | 1308 Redirection* simulator_redirection_; |
1299 #endif | 1309 #endif |
1300 | 1310 |
1301 #ifdef DEBUG | 1311 #ifdef DEBUG |
1302 // A static array of histogram info for each type. | 1312 // A static array of histogram info for each type. |
1303 HistogramInfo heap_histograms_[LAST_TYPE + 1]; | 1313 HistogramInfo heap_histograms_[LAST_TYPE + 1]; |
1304 JSObject::SpillInformation js_spill_information_; | 1314 JSObject::SpillInformation js_spill_information_; |
1305 int code_kind_statistics_[Code::NUMBER_OF_KINDS]; | 1315 int code_kind_statistics_[Code::NUMBER_OF_KINDS]; |
1306 #endif | 1316 #endif |
1307 | 1317 |
1308 #ifdef ENABLE_DEBUGGER_SUPPORT | 1318 #ifdef ENABLE_DEBUGGER_SUPPORT |
1309 Debugger* debugger_; | 1319 Debugger* debugger_; |
1310 Debug* debug_; | 1320 Debug* debug_; |
1311 #endif | 1321 #endif |
1312 CpuProfiler* cpu_profiler_; | 1322 CpuProfiler* cpu_profiler_; |
1313 HeapProfiler* heap_profiler_; | 1323 HeapProfiler* heap_profiler_; |
| 1324 FunctionEntryHook function_entry_hook_; |
1314 | 1325 |
1315 #define GLOBAL_BACKING_STORE(type, name, initialvalue) \ | 1326 #define GLOBAL_BACKING_STORE(type, name, initialvalue) \ |
1316 type name##_; | 1327 type name##_; |
1317 ISOLATE_INIT_LIST(GLOBAL_BACKING_STORE) | 1328 ISOLATE_INIT_LIST(GLOBAL_BACKING_STORE) |
1318 #undef GLOBAL_BACKING_STORE | 1329 #undef GLOBAL_BACKING_STORE |
1319 | 1330 |
1320 #define GLOBAL_ARRAY_BACKING_STORE(type, name, length) \ | 1331 #define GLOBAL_ARRAY_BACKING_STORE(type, name, length) \ |
1321 type name##_[length]; | 1332 type name##_[length]; |
1322 ISOLATE_INIT_ARRAY_LIST(GLOBAL_ARRAY_BACKING_STORE) | 1333 ISOLATE_INIT_ARRAY_LIST(GLOBAL_ARRAY_BACKING_STORE) |
1323 #undef GLOBAL_ARRAY_BACKING_STORE | 1334 #undef GLOBAL_ARRAY_BACKING_STORE |
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1487 | 1498 |
1488 // Mark the native context with out of memory. | 1499 // Mark the native context with out of memory. |
1489 inline void Context::mark_out_of_memory() { | 1500 inline void Context::mark_out_of_memory() { |
1490 native_context()->set_out_of_memory(HEAP->true_value()); | 1501 native_context()->set_out_of_memory(HEAP->true_value()); |
1491 } | 1502 } |
1492 | 1503 |
1493 | 1504 |
1494 } } // namespace v8::internal | 1505 } } // namespace v8::internal |
1495 | 1506 |
1496 #endif // V8_ISOLATE_H_ | 1507 #endif // V8_ISOLATE_H_ |
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