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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/heap.h" | 5 #include "vm/heap.h" |
6 | 6 |
7 #include "platform/assert.h" | 7 #include "platform/assert.h" |
8 #include "platform/utils.h" | 8 #include "platform/utils.h" |
9 #include "vm/flags.h" | 9 #include "vm/flags.h" |
10 #include "vm/isolate.h" | 10 #include "vm/isolate.h" |
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492 intptr_t Heap::TopOffset(Heap::Space space) { | 492 intptr_t Heap::TopOffset(Heap::Space space) { |
493 if (space == kNew) { | 493 if (space == kNew) { |
494 return OFFSET_OF(Heap, new_space_) + Scavenger::top_offset(); | 494 return OFFSET_OF(Heap, new_space_) + Scavenger::top_offset(); |
495 } else { | 495 } else { |
496 ASSERT(space == kOld); | 496 ASSERT(space == kOld); |
497 return OFFSET_OF(Heap, old_space_) + PageSpace::top_offset(); | 497 return OFFSET_OF(Heap, old_space_) + PageSpace::top_offset(); |
498 } | 498 } |
499 } | 499 } |
500 | 500 |
501 | 501 |
502 intptr_t Heap::EndOffset(Heap::Space space) { | |
503 if (space == kNew) { | |
504 return OFFSET_OF(Heap, new_space_) + Scavenger::end_offset(); | |
505 } else { | |
506 ASSERT(space == kOld); | |
507 return OFFSET_OF(Heap, old_space_) + PageSpace::end_offset(); | |
508 } | |
509 } | |
510 | |
511 | |
512 void Heap::Init(Isolate* isolate, | 502 void Heap::Init(Isolate* isolate, |
513 intptr_t max_new_gen_words, | 503 intptr_t max_new_gen_words, |
514 intptr_t max_old_gen_words, | 504 intptr_t max_old_gen_words, |
515 intptr_t max_external_words) { | 505 intptr_t max_external_words) { |
516 ASSERT(isolate->heap() == NULL); | 506 ASSERT(isolate->heap() == NULL); |
517 Heap* heap = new Heap(isolate, max_new_gen_words, max_old_gen_words, | 507 Heap* heap = new Heap(isolate, max_new_gen_words, max_old_gen_words, |
518 max_external_words); | 508 max_external_words); |
519 isolate->set_heap(heap); | 509 isolate->set_heap(heap); |
520 } | 510 } |
521 | 511 |
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854 Dart::vm_isolate()->heap()->WriteProtect(false); | 844 Dart::vm_isolate()->heap()->WriteProtect(false); |
855 } | 845 } |
856 | 846 |
857 | 847 |
858 WritableVMIsolateScope::~WritableVMIsolateScope() { | 848 WritableVMIsolateScope::~WritableVMIsolateScope() { |
859 ASSERT(Dart::vm_isolate()->heap()->UsedInWords(Heap::kNew) == 0); | 849 ASSERT(Dart::vm_isolate()->heap()->UsedInWords(Heap::kNew) == 0); |
860 Dart::vm_isolate()->heap()->WriteProtect(true); | 850 Dart::vm_isolate()->heap()->WriteProtect(true); |
861 } | 851 } |
862 | 852 |
863 } // namespace dart | 853 } // namespace dart |
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