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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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46 #endif // defined(GOOGLE3) | 46 #endif // defined(GOOGLE3) |
47 | 47 |
48 // V8 only uses DEBUG, but included external files | 48 // V8 only uses DEBUG, but included external files |
49 // may use NDEBUG - make sure they are consistent. | 49 // may use NDEBUG - make sure they are consistent. |
50 #if defined(DEBUG) && defined(NDEBUG) | 50 #if defined(DEBUG) && defined(NDEBUG) |
51 #error both DEBUG and NDEBUG are set | 51 #error both DEBUG and NDEBUG are set |
52 #endif | 52 #endif |
53 | 53 |
54 // Basic includes | 54 // Basic includes |
55 #include "../include/v8.h" | 55 #include "../include/v8.h" |
56 #include "globals.h" | 56 #include "v8globals.h" |
57 #include "checks.h" | 57 #include "checks.h" |
58 #include "allocation.h" | 58 #include "allocation.h" |
59 #include "v8utils.h" | 59 #include "v8utils.h" |
60 #include "flags.h" | 60 #include "flags.h" |
61 | 61 |
62 // Objects & heap | 62 // Objects & heap |
63 #include "objects-inl.h" | 63 #include "objects-inl.h" |
64 #include "spaces-inl.h" | 64 #include "spaces-inl.h" |
65 #include "heap-inl.h" | 65 #include "heap-inl.h" |
66 #include "log-inl.h" | 66 #include "log-inl.h" |
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87 // To be dead you have to have lived | 87 // To be dead you have to have lived |
88 static bool IsDead() { return has_fatal_error_ || has_been_disposed_; } | 88 static bool IsDead() { return has_fatal_error_ || has_been_disposed_; } |
89 static void SetFatalError(); | 89 static void SetFatalError(); |
90 | 90 |
91 // Report process out of memory. Implementation found in api.cc. | 91 // Report process out of memory. Implementation found in api.cc. |
92 static void FatalProcessOutOfMemory(const char* location, | 92 static void FatalProcessOutOfMemory(const char* location, |
93 bool take_snapshot = false); | 93 bool take_snapshot = false); |
94 | 94 |
95 // Random number generation support. Not cryptographically safe. | 95 // Random number generation support. Not cryptographically safe. |
96 static uint32_t Random(); | 96 static uint32_t Random(); |
| 97 // We use random numbers internally in memory allocation and in the |
| 98 // compilers for security. In order to prevent information leaks we |
| 99 // use a separate random state for internal random number |
| 100 // generation. |
| 101 static uint32_t RandomPrivate(); |
97 static Object* FillHeapNumberWithRandom(Object* heap_number); | 102 static Object* FillHeapNumberWithRandom(Object* heap_number); |
98 | 103 |
99 // Idle notification directly from the API. | 104 // Idle notification directly from the API. |
100 static bool IdleNotification(); | 105 static bool IdleNotification(); |
101 | 106 |
102 private: | 107 private: |
103 // True if engine is currently running | 108 // True if engine is currently running |
104 static bool is_running_; | 109 static bool is_running_; |
105 // True if V8 has ever been run | 110 // True if V8 has ever been run |
106 static bool has_been_setup_; | 111 static bool has_been_setup_; |
107 // True if error has been signaled for current engine | 112 // True if error has been signaled for current engine |
108 // (reset to false if engine is restarted) | 113 // (reset to false if engine is restarted) |
109 static bool has_fatal_error_; | 114 static bool has_fatal_error_; |
110 // True if engine has been shut down | 115 // True if engine has been shut down |
111 // (reset if engine is restarted) | 116 // (reset if engine is restarted) |
112 static bool has_been_disposed_; | 117 static bool has_been_disposed_; |
113 }; | 118 }; |
114 | 119 |
115 } } // namespace v8::internal | 120 } } // namespace v8::internal |
116 | 121 |
117 namespace i = v8::internal; | 122 namespace i = v8::internal; |
118 | 123 |
119 #endif // V8_V8_H_ | 124 #endif // V8_V8_H_ |
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