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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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79 // If Initialize is called with des == NULL, the initial state is | 79 // If Initialize is called with des == NULL, the initial state is |
80 // created from scratch. If a non-null Deserializer is given, the | 80 // created from scratch. If a non-null Deserializer is given, the |
81 // initial state is created by reading the deserialized data into an | 81 // initial state is created by reading the deserialized data into an |
82 // empty heap. | 82 // empty heap. |
83 static bool Initialize(Deserializer* des); | 83 static bool Initialize(Deserializer* des); |
84 static void TearDown(); | 84 static void TearDown(); |
85 static bool IsRunning() { return is_running_; } | 85 static bool IsRunning() { return is_running_; } |
86 static bool UseCrankshaft() { return use_crankshaft_; } | 86 static bool UseCrankshaft() { return use_crankshaft_; } |
87 static void DisableCrankshaft() { use_crankshaft_ = false; } | 87 static void DisableCrankshaft() { use_crankshaft_ = false; } |
88 // To be dead you have to have lived | 88 // To be dead you have to have lived |
| 89 // TODO(isolates): move IsDead to Isolate. |
89 static bool IsDead() { return has_fatal_error_ || has_been_disposed_; } | 90 static bool IsDead() { return has_fatal_error_ || has_been_disposed_; } |
90 static void SetFatalError(); | 91 static void SetFatalError(); |
91 | 92 |
92 // Report process out of memory. Implementation found in api.cc. | 93 // Report process out of memory. Implementation found in api.cc. |
93 static void FatalProcessOutOfMemory(const char* location, | 94 static void FatalProcessOutOfMemory(const char* location, |
94 bool take_snapshot = false); | 95 bool take_snapshot = false); |
95 | 96 |
96 // Random number generation support. Not cryptographically safe. | 97 // Random number generation support. Not cryptographically safe. |
97 static uint32_t Random(); | 98 static uint32_t Random(Isolate* isolate); |
98 // We use random numbers internally in memory allocation and in the | 99 // We use random numbers internally in memory allocation and in the |
99 // compilers for security. In order to prevent information leaks we | 100 // compilers for security. In order to prevent information leaks we |
100 // use a separate random state for internal random number | 101 // use a separate random state for internal random number |
101 // generation. | 102 // generation. |
102 static uint32_t RandomPrivate(); | 103 static uint32_t RandomPrivate(Isolate* isolate); |
103 static Object* FillHeapNumberWithRandom(Object* heap_number); | 104 static Object* FillHeapNumberWithRandom(Object* heap_number); |
104 | 105 |
105 // Idle notification directly from the API. | 106 // Idle notification directly from the API. |
106 static bool IdleNotification(); | 107 static bool IdleNotification(); |
107 | 108 |
108 private: | 109 private: |
109 // True if engine is currently running | 110 // True if engine is currently running |
110 static bool is_running_; | 111 static bool is_running_; |
111 // True if V8 has ever been run | 112 // True if V8 has ever been run |
112 static bool has_been_setup_; | 113 static bool has_been_setup_; |
113 // True if error has been signaled for current engine | 114 // True if error has been signaled for current engine |
114 // (reset to false if engine is restarted) | 115 // (reset to false if engine is restarted) |
115 static bool has_fatal_error_; | 116 static bool has_fatal_error_; |
116 // True if engine has been shut down | 117 // True if engine has been shut down |
117 // (reset if engine is restarted) | 118 // (reset if engine is restarted) |
118 static bool has_been_disposed_; | 119 static bool has_been_disposed_; |
119 // True if we are using the crankshaft optimizing compiler. | 120 // True if we are using the crankshaft optimizing compiler. |
120 static bool use_crankshaft_; | 121 static bool use_crankshaft_; |
121 }; | 122 }; |
122 | 123 |
123 } } // namespace v8::internal | 124 } } // namespace v8::internal |
124 | 125 |
125 namespace i = v8::internal; | 126 namespace i = v8::internal; |
126 | 127 |
127 #endif // V8_V8_H_ | 128 #endif // V8_V8_H_ |
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