ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 1 | // Copyright 2006-2008 the V8 project authors. All rights reserved. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | // |
| 29 | // Top include for all V8 .cc files. |
| 30 | // |
| 31 | |
| 32 | #ifndef V8_V8_H_ |
| 33 | #define V8_V8_H_ |
| 34 | |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 35 | #if defined(GOOGLE3) |
| 36 | // Google3 special flag handling. |
| 37 | #if defined(DEBUG) && defined(NDEBUG) |
| 38 | // If both are defined in Google3, then we are building an optimized v8 with |
| 39 | // assertions enabled. |
| 40 | #undef NDEBUG |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 41 | #elif !defined(DEBUG) && !defined(NDEBUG) |
| 42 | // If neither is defined in Google3, then we are building a debug v8. Mark it |
| 43 | // as such. |
| 44 | #define DEBUG |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 45 | #endif |
mads.s.ager | 31e7138 | 2008-08-13 09:32:07 +0000 | [diff] [blame] | 46 | #endif // defined(GOOGLE3) |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 47 | |
| 48 | // V8 only uses DEBUG, but included external files |
| 49 | // may use NDEBUG - make sure they are consistent. |
| 50 | #if defined(DEBUG) && defined(NDEBUG) |
| 51 | #error both DEBUG and NDEBUG are set |
| 52 | #endif |
| 53 | |
| 54 | // Basic includes |
v8.team.kasperl | 727e995 | 2008-09-02 14:56:44 +0000 | [diff] [blame] | 55 | #include "../include/v8.h" |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 56 | #include "v8globals.h" |
ager@chromium.org | beb2571 | 2010-11-29 08:02:25 +0000 | [diff] [blame] | 57 | #include "v8checks.h" |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 58 | #include "allocation.h" |
whesse@chromium.org | f0ac72d | 2010-11-08 12:47:26 +0000 | [diff] [blame] | 59 | #include "v8utils.h" |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 60 | #include "flags.h" |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 61 | |
| 62 | // Objects & heap |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 63 | #include "objects-inl.h" |
| 64 | #include "spaces-inl.h" |
| 65 | #include "heap-inl.h" |
ager@chromium.org | 3e87580 | 2009-06-29 08:26:34 +0000 | [diff] [blame] | 66 | #include "log-inl.h" |
lrn@chromium.org | 25156de | 2010-04-06 13:10:27 +0000 | [diff] [blame] | 67 | #include "cpu-profiler-inl.h" |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 68 | #include "handles-inl.h" |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 69 | |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 70 | namespace v8 { |
| 71 | namespace internal { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 72 | |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 73 | class Deserializer; |
| 74 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 75 | class V8 : public AllStatic { |
| 76 | public: |
| 77 | // Global actions. |
| 78 | |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 79 | // If Initialize is called with des == NULL, the initial state is |
| 80 | // created from scratch. If a non-null Deserializer is given, the |
| 81 | // initial state is created by reading the deserialized data into an |
| 82 | // empty heap. |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 83 | static bool Initialize(Deserializer* des); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 84 | static void TearDown(); |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 85 | static bool IsRunning() { return is_running_; } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 86 | static bool UseCrankshaft() { return use_crankshaft_; } |
| 87 | static void DisableCrankshaft() { use_crankshaft_ = false; } |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 88 | // To be dead you have to have lived |
| 89 | static bool IsDead() { return has_fatal_error_ || has_been_disposed_; } |
| 90 | static void SetFatalError(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 91 | |
| 92 | // Report process out of memory. Implementation found in api.cc. |
lrn@chromium.org | c4e51ac | 2010-08-09 09:47:21 +0000 | [diff] [blame] | 93 | static void FatalProcessOutOfMemory(const char* location, |
| 94 | bool take_snapshot = false); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 95 | |
| 96 | // Random number generation support. Not cryptographically safe. |
| 97 | static uint32_t Random(); |
erik.corry@gmail.com | 4a6c327 | 2010-11-18 12:04:40 +0000 | [diff] [blame] | 98 | // We use random numbers internally in memory allocation and in the |
| 99 | // compilers for security. In order to prevent information leaks we |
| 100 | // use a separate random state for internal random number |
| 101 | // generation. |
| 102 | static uint32_t RandomPrivate(); |
ager@chromium.org | 357bf65 | 2010-04-12 11:30:10 +0000 | [diff] [blame] | 103 | static Object* FillHeapNumberWithRandom(Object* heap_number); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 104 | |
ager@chromium.org | add848f | 2009-08-13 12:44:13 +0000 | [diff] [blame] | 105 | // Idle notification directly from the API. |
sgjesse@chromium.org | c514574 | 2009-10-07 09:00:33 +0000 | [diff] [blame] | 106 | static bool IdleNotification(); |
ager@chromium.org | add848f | 2009-08-13 12:44:13 +0000 | [diff] [blame] | 107 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 108 | private: |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 109 | // True if engine is currently running |
| 110 | static bool is_running_; |
| 111 | // True if V8 has ever been run |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 112 | static bool has_been_setup_; |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 113 | // True if error has been signaled for current engine |
| 114 | // (reset to false if engine is restarted) |
| 115 | static bool has_fatal_error_; |
| 116 | // True if engine has been shut down |
| 117 | // (reset if engine is restarted) |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 118 | static bool has_been_disposed_; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 119 | // True if we are using the crankshaft optimizing compiler. |
| 120 | static bool use_crankshaft_; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 121 | }; |
| 122 | |
| 123 | } } // namespace v8::internal |
| 124 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 125 | namespace i = v8::internal; |
| 126 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 127 | #endif // V8_V8_H_ |