| OLD | NEW |
| 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/verifier.h" | 5 #include "vm/verifier.h" |
| 6 | 6 |
| 7 #include "platform/assert.h" | 7 #include "platform/assert.h" |
| 8 #include "vm/dart.h" | 8 #include "vm/dart.h" |
| 9 #include "vm/dart_api_state.h" | 9 #include "vm/dart_api_state.h" |
| 10 #include "vm/freelist.h" | 10 #include "vm/freelist.h" |
| 11 #include "vm/heap.h" | 11 #include "vm/heap.h" |
| 12 #include "vm/isolate.h" | 12 #include "vm/isolate.h" |
| 13 #include "vm/object.h" | 13 #include "vm/object.h" |
| 14 #include "vm/object_set.h" | 14 #include "vm/object_set.h" |
| 15 #include "vm/raw_object.h" | 15 #include "vm/raw_object.h" |
| 16 #include "vm/stack_frame.h" | 16 #include "vm/stack_frame.h" |
| 17 | 17 |
| 18 namespace dart { | 18 namespace dart { |
| 19 | 19 |
| 20 void VerifyObjectVisitor::VisitObject(RawObject* raw_obj) { | 20 void VerifyObjectVisitor::VisitObject(RawObject* raw_obj) { |
| 21 if (raw_obj->IsHeapObject()) { | 21 if (raw_obj->IsHeapObject()) { |
| 22 uword raw_addr = RawObject::ToAddr(raw_obj); | 22 uword raw_addr = RawObject::ToAddr(raw_obj); |
| 23 if (raw_obj->IsFreeListElement() || raw_obj->IsForwardingCorpse()) { | 23 if (raw_obj->IsFreeListElement() || raw_obj->IsForwardingCorpse()) { |
| 24 if (raw_obj->IsMarked()) { | 24 if (raw_obj->IsMarked()) { |
| 25 FATAL1("Marked free list element encountered %#" Px "\n", raw_addr); | 25 FATAL1("Marked free list element encountered %#" Px "\n", raw_addr); |
| 26 } | 26 } |
| 27 } else { | 27 } else { |
| 28 switch (mark_expectation_) { | 28 switch (mark_expectation_) { |
| 29 case kForbidMarked: | 29 case kForbidMarked: |
| 30 if (raw_obj->IsMarked()) { | 30 if (raw_obj->IsMarked()) { |
| 31 FATAL1("Marked object encountered %#" Px "\n", raw_addr); | 31 FATAL1("Marked object encountered %#" Px "\n", raw_addr); |
| 32 } | 32 } |
| 33 break; | 33 break; |
| 34 case kAllowMarked: | 34 case kAllowMarked: |
| 35 break; | 35 break; |
| 36 case kRequireMarked: | 36 case kRequireMarked: |
| 37 if (!raw_obj->IsMarked()) { | 37 if (!raw_obj->IsMarked()) { |
| 38 FATAL1("Unmarked object encountered %#" Px "\n", raw_addr); | 38 FATAL1("Unmarked object encountered %#" Px "\n", raw_addr); |
| 39 } | 39 } |
| 40 break; | 40 break; |
| 41 } | 41 } |
| 42 } | 42 } |
| 43 } | 43 } |
| 44 allocated_set_->Add(raw_obj); | 44 allocated_set_->Add(raw_obj); |
| 45 raw_obj->Validate(isolate_); | 45 raw_obj->Validate(isolate_); |
| 46 } | 46 } |
| 47 | 47 |
| 48 | 48 |
| 49 void VerifyPointersVisitor::VisitPointers(RawObject** first, RawObject** last) { | 49 void VerifyPointersVisitor::VisitPointers(RawObject** first, RawObject** last) { |
| 50 for (RawObject** current = first; current <= last; current++) { | 50 for (RawObject** current = first; current <= last; current++) { |
| (...skipping 14 matching lines...) Expand all Loading... |
| 65 RawObject* raw_obj = handle->raw(); | 65 RawObject* raw_obj = handle->raw(); |
| 66 visitor_->VisitPointer(&raw_obj); | 66 visitor_->VisitPointer(&raw_obj); |
| 67 } | 67 } |
| 68 | 68 |
| 69 | 69 |
| 70 void VerifyPointersVisitor::VerifyPointers(MarkExpectation mark_expectation) { | 70 void VerifyPointersVisitor::VerifyPointers(MarkExpectation mark_expectation) { |
| 71 NoSafepointScope no_safepoint; | 71 NoSafepointScope no_safepoint; |
| 72 Thread* thread = Thread::Current(); | 72 Thread* thread = Thread::Current(); |
| 73 Isolate* isolate = thread->isolate(); | 73 Isolate* isolate = thread->isolate(); |
| 74 StackZone stack_zone(thread); | 74 StackZone stack_zone(thread); |
| 75 ObjectSet* allocated_set = | 75 ObjectSet* allocated_set = isolate->heap()->CreateAllocatedObjectSet( |
| 76 isolate->heap()->CreateAllocatedObjectSet(stack_zone.GetZone(), | 76 stack_zone.GetZone(), mark_expectation); |
| 77 mark_expectation); | |
| 78 VerifyPointersVisitor visitor(isolate, allocated_set); | 77 VerifyPointersVisitor visitor(isolate, allocated_set); |
| 79 // Visit all strongly reachable objects. | 78 // Visit all strongly reachable objects. |
| 80 isolate->IterateObjectPointers(&visitor, | 79 isolate->IterateObjectPointers(&visitor, StackFrameIterator::kValidateFrames); |
| 81 StackFrameIterator::kValidateFrames); | |
| 82 VerifyWeakPointersVisitor weak_visitor(&visitor); | 80 VerifyWeakPointersVisitor weak_visitor(&visitor); |
| 83 // Visit weak handles and prologue weak handles. | 81 // Visit weak handles and prologue weak handles. |
| 84 isolate->VisitWeakPersistentHandles(&weak_visitor); | 82 isolate->VisitWeakPersistentHandles(&weak_visitor); |
| 85 } | 83 } |
| 86 | 84 |
| 87 | 85 |
| 88 #if defined(DEBUG) | 86 #if defined(DEBUG) |
| 89 VerifyCanonicalVisitor::VerifyCanonicalVisitor(Thread* thread) | 87 VerifyCanonicalVisitor::VerifyCanonicalVisitor(Thread* thread) |
| 90 : thread_(thread), | 88 : thread_(thread), instanceHandle_(Instance::Handle(thread->zone())) {} |
| 91 instanceHandle_(Instance::Handle(thread->zone())) { | |
| 92 } | |
| 93 | 89 |
| 94 | 90 |
| 95 void VerifyCanonicalVisitor::VisitObject(RawObject* obj) { | 91 void VerifyCanonicalVisitor::VisitObject(RawObject* obj) { |
| 96 if (obj->GetClassId() >= kInstanceCid) { | 92 if (obj->GetClassId() >= kInstanceCid) { |
| 97 if (obj->IsCanonical()) { | 93 if (obj->IsCanonical()) { |
| 98 instanceHandle_ ^= obj; | 94 instanceHandle_ ^= obj; |
| 99 ASSERT(instanceHandle_.CheckIsCanonical(thread_)); | 95 ASSERT(instanceHandle_.CheckIsCanonical(thread_)); |
| 100 } | 96 } |
| 101 } | 97 } |
| 102 } | 98 } |
| 103 #endif // defined(DEBUG) | 99 #endif // defined(DEBUG) |
| 104 | 100 |
| 105 } // namespace dart | 101 } // namespace dart |
| OLD | NEW |