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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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39 | 39 |
40 using namespace v8::internal; | 40 using namespace v8::internal; |
41 | 41 |
42 | 42 |
43 static void SetUpNewSpaceWithPoisonedMementoAtTop() { | 43 static void SetUpNewSpaceWithPoisonedMementoAtTop() { |
44 Isolate* isolate = CcTest::i_isolate(); | 44 Isolate* isolate = CcTest::i_isolate(); |
45 Heap* heap = isolate->heap(); | 45 Heap* heap = isolate->heap(); |
46 NewSpace* new_space = heap->new_space(); | 46 NewSpace* new_space = heap->new_space(); |
47 | 47 |
48 // Make sure we can allocate some objects without causing a GC later. | 48 // Make sure we can allocate some objects without causing a GC later. |
49 heap->CollectAllGarbage(); | 49 CcTest::CollectAllGarbage(i::Heap::kFinalizeIncrementalMarkingMask); |
50 | 50 |
51 // Allocate a string, the GC may suspect a memento behind the string. | 51 // Allocate a string, the GC may suspect a memento behind the string. |
52 Handle<SeqOneByteString> string = | 52 Handle<SeqOneByteString> string = |
53 isolate->factory()->NewRawOneByteString(12).ToHandleChecked(); | 53 isolate->factory()->NewRawOneByteString(12).ToHandleChecked(); |
54 CHECK(*string); | 54 CHECK(*string); |
55 | 55 |
56 // Create an allocation memento behind the string with a garbage allocation | 56 // Create an allocation memento behind the string with a garbage allocation |
57 // site pointer. | 57 // site pointer. |
58 AllocationMemento* memento = | 58 AllocationMemento* memento = |
59 reinterpret_cast<AllocationMemento*>(new_space->top() + kHeapObjectTag); | 59 reinterpret_cast<AllocationMemento*>(new_space->top() + kHeapObjectTag); |
60 memento->set_map_no_write_barrier(heap->allocation_memento_map()); | 60 memento->set_map_no_write_barrier(heap->allocation_memento_map()); |
61 memento->set_allocation_site( | 61 memento->set_allocation_site( |
62 reinterpret_cast<AllocationSite*>(kHeapObjectTag), SKIP_WRITE_BARRIER); | 62 reinterpret_cast<AllocationSite*>(kHeapObjectTag), SKIP_WRITE_BARRIER); |
63 } | 63 } |
64 | 64 |
65 | 65 |
66 TEST(Regress340063) { | 66 TEST(Regress340063) { |
67 CcTest::InitializeVM(); | 67 CcTest::InitializeVM(); |
68 if (!i::FLAG_allocation_site_pretenuring) return; | 68 if (!i::FLAG_allocation_site_pretenuring) return; |
69 v8::HandleScope scope(CcTest::isolate()); | 69 v8::HandleScope scope(CcTest::isolate()); |
70 | 70 |
71 SetUpNewSpaceWithPoisonedMementoAtTop(); | 71 SetUpNewSpaceWithPoisonedMementoAtTop(); |
72 | 72 |
73 // Call GC to see if we can handle a poisonous memento right after the | 73 // Call GC to see if we can handle a poisonous memento right after the |
74 // current new space top pointer. | 74 // current new space top pointer. |
75 CcTest::i_isolate()->heap()->CollectAllGarbage( | 75 CcTest::CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
76 Heap::kAbortIncrementalMarkingMask); | |
77 } | 76 } |
78 | 77 |
79 | 78 |
80 TEST(Regress470390) { | 79 TEST(Regress470390) { |
81 CcTest::InitializeVM(); | 80 CcTest::InitializeVM(); |
82 if (!i::FLAG_allocation_site_pretenuring) return; | 81 if (!i::FLAG_allocation_site_pretenuring) return; |
83 v8::HandleScope scope(CcTest::isolate()); | 82 v8::HandleScope scope(CcTest::isolate()); |
84 | 83 |
85 SetUpNewSpaceWithPoisonedMementoAtTop(); | 84 SetUpNewSpaceWithPoisonedMementoAtTop(); |
86 | 85 |
87 // Set the new space limit to be equal to the top. | 86 // Set the new space limit to be equal to the top. |
88 Address top = CcTest::i_isolate()->heap()->new_space()->top(); | 87 Address top = CcTest::i_isolate()->heap()->new_space()->top(); |
89 *(CcTest::i_isolate()->heap()->new_space()->allocation_limit_address()) = top; | 88 *(CcTest::i_isolate()->heap()->new_space()->allocation_limit_address()) = top; |
90 | 89 |
91 // Call GC to see if we can handle a poisonous memento right after the | 90 // Call GC to see if we can handle a poisonous memento right after the |
92 // current new space top pointer. | 91 // current new space top pointer. |
93 CcTest::i_isolate()->heap()->CollectAllGarbage( | 92 CcTest::CollectAllGarbage(Heap::kAbortIncrementalMarkingMask); |
94 Heap::kAbortIncrementalMarkingMask); | |
95 } | 93 } |
96 | 94 |
97 | 95 |
98 TEST(BadMementoAfterTopForceScavenge) { | 96 TEST(BadMementoAfterTopForceScavenge) { |
99 CcTest::InitializeVM(); | 97 CcTest::InitializeVM(); |
100 if (!i::FLAG_allocation_site_pretenuring) return; | 98 if (!i::FLAG_allocation_site_pretenuring) return; |
101 v8::HandleScope scope(CcTest::isolate()); | 99 v8::HandleScope scope(CcTest::isolate()); |
102 | 100 |
103 SetUpNewSpaceWithPoisonedMementoAtTop(); | 101 SetUpNewSpaceWithPoisonedMementoAtTop(); |
104 | 102 |
105 // Force GC to test the poisoned memento handling | 103 // Force GC to test the poisoned memento handling |
106 CcTest::i_isolate()->heap()->CollectGarbage(i::NEW_SPACE); | 104 CcTest::CollectGarbage(i::NEW_SPACE); |
107 } | 105 } |
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