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Side by Side Diff: runtime/vm/heap.cc

Issue 2951333002: Moves the top_ and end_ words of the Scavenger into mutator thread. (Closed)
Patch Set: Created 3 years, 6 months ago
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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"
(...skipping 481 matching lines...) Expand 10 before | Expand all | Expand 10 after
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
(...skipping 332 matching lines...) Expand 10 before | Expand all | Expand 10 after
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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