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/raw_object.h" | 5 #include "vm/raw_object.h" |
6 | 6 |
7 #include "vm/class_table.h" | 7 #include "vm/class_table.h" |
8 #include "vm/freelist.h" | 8 #include "vm/freelist.h" |
9 #include "vm/isolate.h" | 9 #include "vm/isolate.h" |
10 #include "vm/object.h" | 10 #include "vm/object.h" |
11 #include "vm/visitor.h" | 11 #include "vm/visitor.h" |
12 | 12 |
13 | 13 |
14 namespace dart { | 14 namespace dart { |
15 | 15 |
16 void RawObject::Validate(Isolate* isolate) const { | 16 void RawObject::Validate(Isolate* isolate) const { |
17 if (Object::null_class_ == reinterpret_cast<RawClass*>(kHeapObjectTag)) { | 17 if (Object::null_class_ == reinterpret_cast<RawClass*>(kHeapObjectTag)) { |
18 // Validation relies on properly initialized class classes. Skip if the | 18 // Validation relies on properly initialized class classes. Skip if the |
19 // VM is still being initialized. | 19 // VM is still being initialized. |
20 return; | 20 return; |
21 } | 21 } |
22 // All Smi values are valid. | 22 // All Smi values are valid. |
23 if (!IsHeapObject()) { | 23 if (!IsHeapObject()) { |
24 return; | 24 return; |
25 } | 25 } |
26 // Validate that the tags_ field is sensible. | 26 // Validate that the tags_ field is sensible. |
27 uword tags = ptr()->tags_; | 27 uword tags = ptr()->tags_; |
28 intptr_t reserved = ReservedBits::decode(tags); | 28 intptr_t reserved = ReservedBits::decode(tags); |
29 if (reserved != 0) { | 29 if (reserved != 0) { |
30 FATAL1("Invalid tags field encountered %#lx\n", tags); | 30 FATAL1("Invalid tags field encountered %#"Px"\n", tags); |
31 } | 31 } |
32 intptr_t class_id = ClassIdTag::decode(tags); | 32 intptr_t class_id = ClassIdTag::decode(tags); |
33 if (!isolate->class_table()->IsValidIndex(class_id)) { | 33 if (!isolate->class_table()->IsValidIndex(class_id)) { |
34 FATAL1("Invalid class id encountered %d\n", class_id); | 34 FATAL1("Invalid class id encountered %"Pd"\n", class_id); |
35 } | 35 } |
36 intptr_t size = SizeTag::decode(tags); | 36 intptr_t size = SizeTag::decode(tags); |
37 if (size != 0 && size != SizeFromClass()) { | 37 if (size != 0 && size != SizeFromClass()) { |
38 FATAL1("Inconsistent class size encountered %d\n", size); | 38 FATAL1("Inconsistent class size encountered %"Pd"\n", size); |
39 } | 39 } |
40 } | 40 } |
41 | 41 |
42 | 42 |
43 intptr_t RawObject::SizeFromClass() const { | 43 intptr_t RawObject::SizeFromClass() const { |
44 Isolate* isolate = Isolate::Current(); | 44 Isolate* isolate = Isolate::Current(); |
45 NoHandleScope no_handles(isolate); | 45 NoHandleScope no_handles(isolate); |
46 | 46 |
47 // Only reasonable to be called on heap objects. | 47 // Only reasonable to be called on heap objects. |
48 ASSERT(IsHeapObject()); | 48 ASSERT(IsHeapObject()); |
(...skipping 232 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
281 CLASS_LIST_NO_OBJECT(RAW_VISITPOINTERS) | 281 CLASS_LIST_NO_OBJECT(RAW_VISITPOINTERS) |
282 #undef RAW_VISITPOINTERS | 282 #undef RAW_VISITPOINTERS |
283 case kFreeListElement: { | 283 case kFreeListElement: { |
284 ASSERT(FreeBit::decode(ptr()->tags_)); | 284 ASSERT(FreeBit::decode(ptr()->tags_)); |
285 uword addr = RawObject::ToAddr(const_cast<RawObject*>(this)); | 285 uword addr = RawObject::ToAddr(const_cast<RawObject*>(this)); |
286 FreeListElement* element = reinterpret_cast<FreeListElement*>(addr); | 286 FreeListElement* element = reinterpret_cast<FreeListElement*>(addr); |
287 size = element->Size(); | 287 size = element->Size(); |
288 break; | 288 break; |
289 } | 289 } |
290 default: | 290 default: |
291 OS::Print("Class Id: %d\n", class_id); | 291 OS::Print("Class Id: %"Pd"\n", class_id); |
292 UNREACHABLE(); | 292 UNREACHABLE(); |
293 break; | 293 break; |
294 } | 294 } |
295 } else { | 295 } else { |
296 RawClass* raw_class = visitor->isolate()->class_table()->At(class_id); | 296 RawClass* raw_class = visitor->isolate()->class_table()->At(class_id); |
297 if (Class::IsSignatureClass(raw_class)) { | 297 if (Class::IsSignatureClass(raw_class)) { |
298 RawClosure* raw_obj = reinterpret_cast<RawClosure*>(this); | 298 RawClosure* raw_obj = reinterpret_cast<RawClosure*>(this); |
299 size = RawClosure::VisitClosurePointers(raw_obj, visitor); | 299 size = RawClosure::VisitClosurePointers(raw_obj, visitor); |
300 } else { | 300 } else { |
301 RawInstance* raw_obj = reinterpret_cast<RawInstance*>(this); | 301 RawInstance* raw_obj = reinterpret_cast<RawInstance*>(this); |
(...skipping 676 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
978 | 978 |
979 intptr_t RawWeakProperty::VisitWeakPropertyPointers( | 979 intptr_t RawWeakProperty::VisitWeakPropertyPointers( |
980 RawWeakProperty* raw_obj, ObjectPointerVisitor* visitor) { | 980 RawWeakProperty* raw_obj, ObjectPointerVisitor* visitor) { |
981 // Make sure that we got here with the tagged pointer as this. | 981 // Make sure that we got here with the tagged pointer as this. |
982 ASSERT(raw_obj->IsHeapObject()); | 982 ASSERT(raw_obj->IsHeapObject()); |
983 visitor->VisitPointers(raw_obj->from(), raw_obj->to()); | 983 visitor->VisitPointers(raw_obj->from(), raw_obj->to()); |
984 return WeakProperty::InstanceSize(); | 984 return WeakProperty::InstanceSize(); |
985 } | 985 } |
986 | 986 |
987 } // namespace dart | 987 } // namespace dart |
OLD | NEW |