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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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| 2648 // Initially seed the per-context random number generator using the | 2648 // Initially seed the per-context random number generator using the |
| 2649 // per-isolate random number generator. | 2649 // per-isolate random number generator. |
| 2650 const int num_elems = 2; | 2650 const int num_elems = 2; |
| 2651 const int num_bytes = num_elems * sizeof(uint32_t); | 2651 const int num_bytes = num_elems * sizeof(uint32_t); |
| 2652 uint32_t* state = reinterpret_cast<uint32_t*>(malloc(num_bytes)); | 2652 uint32_t* state = reinterpret_cast<uint32_t*>(malloc(num_bytes)); |
| 2653 | 2653 |
| 2654 do { | 2654 do { |
| 2655 isolate->random_number_generator()->NextBytes(state, num_bytes); | 2655 isolate->random_number_generator()->NextBytes(state, num_bytes); |
| 2656 } while (state[0] == 0 || state[1] == 0); | 2656 } while (state[0] == 0 || state[1] == 0); |
| 2657 | 2657 |
| 2658 v8::Local<v8::ArrayBuffer> buffer = v8::ArrayBuffer::New(state, num_bytes); | 2658 v8::Local<v8::ArrayBuffer> buffer = v8::ArrayBuffer::New( |
| 2659 reinterpret_cast<v8::Isolate*>(isolate), state, num_bytes); |
| 2659 Utils::OpenHandle(*buffer)->set_should_be_freed(true); | 2660 Utils::OpenHandle(*buffer)->set_should_be_freed(true); |
| 2660 v8::Local<v8::Uint32Array> ta = v8::Uint32Array::New(buffer, 0, num_elems); | 2661 v8::Local<v8::Uint32Array> ta = v8::Uint32Array::New(buffer, 0, num_elems); |
| 2661 Handle<JSBuiltinsObject> builtins(native_context()->builtins()); | 2662 Handle<JSBuiltinsObject> builtins(native_context()->builtins()); |
| 2662 ForceSetProperty(builtins, | 2663 ForceSetProperty(builtins, |
| 2663 factory()->InternalizeOneByteString( | 2664 factory()->InternalizeOneByteString( |
| 2664 STATIC_ASCII_VECTOR("rngstate")), | 2665 STATIC_ASCII_VECTOR("rngstate")), |
| 2665 Utils::OpenHandle(*ta), | 2666 Utils::OpenHandle(*ta), |
| 2666 NONE); | 2667 NONE); |
| 2667 | 2668 |
| 2668 // Initialize trigonometric lookup tables and constants. | 2669 // Initialize trigonometric lookup tables and constants. |
| 2669 const int table_num_bytes = TrigonometricLookupTable::table_num_bytes(); | 2670 const int table_num_bytes = TrigonometricLookupTable::table_num_bytes(); |
| 2670 v8::Local<v8::ArrayBuffer> sin_buffer = v8::ArrayBuffer::New( | 2671 v8::Local<v8::ArrayBuffer> sin_buffer = v8::ArrayBuffer::New( |
| 2672 reinterpret_cast<v8::Isolate*>(isolate), |
| 2671 TrigonometricLookupTable::sin_table(), table_num_bytes); | 2673 TrigonometricLookupTable::sin_table(), table_num_bytes); |
| 2672 v8::Local<v8::ArrayBuffer> cos_buffer = v8::ArrayBuffer::New( | 2674 v8::Local<v8::ArrayBuffer> cos_buffer = v8::ArrayBuffer::New( |
| 2675 reinterpret_cast<v8::Isolate*>(isolate), |
| 2673 TrigonometricLookupTable::cos_x_interval_table(), table_num_bytes); | 2676 TrigonometricLookupTable::cos_x_interval_table(), table_num_bytes); |
| 2674 v8::Local<v8::Float64Array> sin_table = v8::Float64Array::New( | 2677 v8::Local<v8::Float64Array> sin_table = v8::Float64Array::New( |
| 2675 sin_buffer, 0, TrigonometricLookupTable::table_size()); | 2678 sin_buffer, 0, TrigonometricLookupTable::table_size()); |
| 2676 v8::Local<v8::Float64Array> cos_table = v8::Float64Array::New( | 2679 v8::Local<v8::Float64Array> cos_table = v8::Float64Array::New( |
| 2677 cos_buffer, 0, TrigonometricLookupTable::table_size()); | 2680 cos_buffer, 0, TrigonometricLookupTable::table_size()); |
| 2678 | 2681 |
| 2679 ForceSetProperty(builtins, | 2682 ForceSetProperty(builtins, |
| 2680 factory()->InternalizeOneByteString( | 2683 factory()->InternalizeOneByteString( |
| 2681 STATIC_ASCII_VECTOR("kSinTable")), | 2684 STATIC_ASCII_VECTOR("kSinTable")), |
| 2682 Utils::OpenHandle(*sin_table), | 2685 Utils::OpenHandle(*sin_table), |
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| 2726 return from + sizeof(NestingCounterType); | 2729 return from + sizeof(NestingCounterType); |
| 2727 } | 2730 } |
| 2728 | 2731 |
| 2729 | 2732 |
| 2730 // Called when the top-level V8 mutex is destroyed. | 2733 // Called when the top-level V8 mutex is destroyed. |
| 2731 void Bootstrapper::FreeThreadResources() { | 2734 void Bootstrapper::FreeThreadResources() { |
| 2732 ASSERT(!IsActive()); | 2735 ASSERT(!IsActive()); |
| 2733 } | 2736 } |
| 2734 | 2737 |
| 2735 } } // namespace v8::internal | 2738 } } // namespace v8::internal |
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