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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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473 | 473 |
474 class Heap { | 474 class Heap { |
475 public: | 475 public: |
476 // Configure heap size before setup. Return false if the heap has been | 476 // Configure heap size before setup. Return false if the heap has been |
477 // set up already. | 477 // set up already. |
478 bool ConfigureHeap(int max_semispace_size, | 478 bool ConfigureHeap(int max_semispace_size, |
479 intptr_t max_old_gen_size, | 479 intptr_t max_old_gen_size, |
480 intptr_t max_executable_size); | 480 intptr_t max_executable_size); |
481 bool ConfigureHeapDefault(); | 481 bool ConfigureHeapDefault(); |
482 | 482 |
483 // Initializes the global object heap. If create_heap_objects is true, | 483 // Prepares the heap, setting up memory areas that are needed in the isolate |
484 // also creates the basic non-mutable objects. | 484 // without actually actually creating any objects. |
Michael Starzinger
2013/02/25 12:00:57
Drop one of the two "actually" in the comment.
danno
2013/02/25 14:25:05
Done.
| |
485 bool SetUp(); | |
486 | |
487 // Bootstraps the object heap with the core set of objects required to run. | |
485 // Returns whether it succeeded. | 488 // Returns whether it succeeded. |
486 bool SetUp(bool create_heap_objects); | 489 bool CreateHeapObjects(); |
487 | 490 |
488 // Destroys all memory allocated by the heap. | 491 // Destroys all memory allocated by the heap. |
489 void TearDown(); | 492 void TearDown(); |
490 | 493 |
491 // Set the stack limit in the roots_ array. Some architectures generate | 494 // Set the stack limit in the roots_ array. Some architectures generate |
492 // code that looks here, because it is faster than loading from the static | 495 // code that looks here, because it is faster than loading from the static |
493 // jslimit_/real_jslimit_ variable in the StackGuard. | 496 // jslimit_/real_jslimit_ variable in the StackGuard. |
494 void SetStackLimits(); | 497 void SetStackLimits(); |
495 | 498 |
496 // Returns whether SetUp has been called. | 499 // Returns whether SetUp has been called. |
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2945 AssertNoAllocation no_alloc; // i.e. no gc allowed. | 2948 AssertNoAllocation no_alloc; // i.e. no gc allowed. |
2946 | 2949 |
2947 private: | 2950 private: |
2948 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); | 2951 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); |
2949 }; | 2952 }; |
2950 #endif // DEBUG | 2953 #endif // DEBUG |
2951 | 2954 |
2952 } } // namespace v8::internal | 2955 } } // namespace v8::internal |
2953 | 2956 |
2954 #endif // V8_HEAP_H_ | 2957 #endif // V8_HEAP_H_ |
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