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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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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32 | 32 |
33 static void SetUpNewSpaceWithPoisonedMementoAtTop() { | 33 static void SetUpNewSpaceWithPoisonedMementoAtTop() { |
34 Isolate* isolate = CcTest::i_isolate(); | 34 Isolate* isolate = CcTest::i_isolate(); |
35 Heap* heap = isolate->heap(); | 35 Heap* heap = isolate->heap(); |
36 NewSpace* new_space = heap->new_space(); | 36 NewSpace* new_space = heap->new_space(); |
37 | 37 |
38 // Make sure we can allocate some objects without causing a GC later. | 38 // Make sure we can allocate some objects without causing a GC later. |
39 heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); | 39 heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
40 | 40 |
41 // Allocate a string, the GC may suspect a memento behind the string. | 41 // Allocate a string, the GC may suspect a memento behind the string. |
42 Handle<SeqOneByteString> string = isolate->factory()->NewRawOneByteString(12); | 42 Handle<SeqOneByteString> string = |
| 43 isolate->factory()->NewRawOneByteString(12).ToHandleChecked(); |
43 CHECK(*string); | 44 CHECK(*string); |
44 | 45 |
45 // Create an allocation memento behind the string with a garbage allocation | 46 // Create an allocation memento behind the string with a garbage allocation |
46 // site pointer. | 47 // site pointer. |
47 AllocationMemento* memento = | 48 AllocationMemento* memento = |
48 reinterpret_cast<AllocationMemento*>(new_space->top() + kHeapObjectTag); | 49 reinterpret_cast<AllocationMemento*>(new_space->top() + kHeapObjectTag); |
49 memento->set_map_no_write_barrier(heap->allocation_memento_map()); | 50 memento->set_map_no_write_barrier(heap->allocation_memento_map()); |
50 memento->set_allocation_site( | 51 memento->set_allocation_site( |
51 reinterpret_cast<AllocationSite*>(kHeapObjectTag), SKIP_WRITE_BARRIER); | 52 reinterpret_cast<AllocationSite*>(kHeapObjectTag), SKIP_WRITE_BARRIER); |
52 } | 53 } |
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114 AllocationMemento* memento = | 115 AllocationMemento* memento = |
115 reinterpret_cast<AllocationMemento*>(memento_address + kHeapObjectTag); | 116 reinterpret_cast<AllocationMemento*>(memento_address + kHeapObjectTag); |
116 CHECK_EQ(memento->map(), heap->allocation_memento_map()); | 117 CHECK_EQ(memento->map(), heap->allocation_memento_map()); |
117 | 118 |
118 // Furthermore, how many mementos did we create? The count should match | 119 // Furthermore, how many mementos did we create? The count should match |
119 // call_count - SharedFunctionInfo::kGenerousAllocationCount. | 120 // call_count - SharedFunctionInfo::kGenerousAllocationCount. |
120 AllocationSite* site = memento->GetAllocationSite(); | 121 AllocationSite* site = memento->GetAllocationSite(); |
121 CHECK_EQ(call_count - SharedFunctionInfo::kGenerousAllocationCount, | 122 CHECK_EQ(call_count - SharedFunctionInfo::kGenerousAllocationCount, |
122 site->pretenure_create_count()->value()); | 123 site->pretenure_create_count()->value()); |
123 } | 124 } |
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