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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/snapshot/serializer-common.h" | 5 #include "src/snapshot/serializer-common.h" |
6 | 6 |
7 #include "src/external-reference-table.h" | 7 #include "src/external-reference-table.h" |
8 #include "src/ic/stub-cache.h" | 8 #include "src/ic/stub-cache.h" |
9 #include "src/list-inl.h" | 9 #include "src/list-inl.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 | 13 |
14 ExternalReferenceEncoder::ExternalReferenceEncoder(Isolate* isolate) { | 14 ExternalReferenceEncoder::ExternalReferenceEncoder(Isolate* isolate) { |
15 map_ = isolate->external_reference_map(); | 15 map_ = isolate->external_reference_map(); |
16 if (map_ != NULL) return; | 16 if (map_ != NULL) return; |
17 map_ = new HashMap(HashMap::PointersMatch); | 17 map_ = new base::HashMap(base::HashMap::PointersMatch); |
18 ExternalReferenceTable* table = ExternalReferenceTable::instance(isolate); | 18 ExternalReferenceTable* table = ExternalReferenceTable::instance(isolate); |
19 for (int i = 0; i < table->size(); ++i) { | 19 for (int i = 0; i < table->size(); ++i) { |
20 Address addr = table->address(i); | 20 Address addr = table->address(i); |
21 if (addr == ExternalReferenceTable::NotAvailable()) continue; | 21 if (addr == ExternalReferenceTable::NotAvailable()) continue; |
22 // We expect no duplicate external references entries in the table. | 22 // We expect no duplicate external references entries in the table. |
23 // AccessorRefTable getter may have duplicates, indicated by an empty string | 23 // AccessorRefTable getter may have duplicates, indicated by an empty string |
24 // as name. | 24 // as name. |
25 DCHECK(table->name(i)[0] == '\0' || | 25 DCHECK(table->name(i)[0] == '\0' || |
26 map_->Lookup(addr, Hash(addr)) == nullptr); | 26 map_->Lookup(addr, Hash(addr)) == nullptr); |
27 map_->LookupOrInsert(addr, Hash(addr))->value = reinterpret_cast<void*>(i); | 27 map_->LookupOrInsert(addr, Hash(addr))->value = reinterpret_cast<void*>(i); |
28 } | 28 } |
29 isolate->set_external_reference_map(map_); | 29 isolate->set_external_reference_map(map_); |
30 } | 30 } |
31 | 31 |
32 uint32_t ExternalReferenceEncoder::Encode(Address address) const { | 32 uint32_t ExternalReferenceEncoder::Encode(Address address) const { |
33 DCHECK_NOT_NULL(address); | 33 DCHECK_NOT_NULL(address); |
34 HashMap::Entry* entry = | 34 base::HashMap::Entry* entry = |
35 const_cast<HashMap*>(map_)->Lookup(address, Hash(address)); | 35 const_cast<base::HashMap*>(map_)->Lookup(address, Hash(address)); |
36 DCHECK_NOT_NULL(entry); | 36 DCHECK_NOT_NULL(entry); |
37 return static_cast<uint32_t>(reinterpret_cast<intptr_t>(entry->value)); | 37 return static_cast<uint32_t>(reinterpret_cast<intptr_t>(entry->value)); |
38 } | 38 } |
39 | 39 |
40 const char* ExternalReferenceEncoder::NameOfAddress(Isolate* isolate, | 40 const char* ExternalReferenceEncoder::NameOfAddress(Isolate* isolate, |
41 Address address) const { | 41 Address address) const { |
42 HashMap::Entry* entry = | 42 base::HashMap::Entry* entry = |
43 const_cast<HashMap*>(map_)->Lookup(address, Hash(address)); | 43 const_cast<base::HashMap*>(map_)->Lookup(address, Hash(address)); |
44 if (entry == NULL) return "<unknown>"; | 44 if (entry == NULL) return "<unknown>"; |
45 uint32_t i = static_cast<uint32_t>(reinterpret_cast<intptr_t>(entry->value)); | 45 uint32_t i = static_cast<uint32_t>(reinterpret_cast<intptr_t>(entry->value)); |
46 return ExternalReferenceTable::instance(isolate)->name(i); | 46 return ExternalReferenceTable::instance(isolate)->name(i); |
47 } | 47 } |
48 | 48 |
49 void SerializedData::AllocateData(int size) { | 49 void SerializedData::AllocateData(int size) { |
50 DCHECK(!owns_data_); | 50 DCHECK(!owns_data_); |
51 data_ = NewArray<byte>(size); | 51 data_ = NewArray<byte>(size); |
52 size_ = size; | 52 size_ = size; |
53 owns_data_ = true; | 53 owns_data_ = true; |
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70 if (cache->at(i)->IsUndefined(isolate)) break; | 70 if (cache->at(i)->IsUndefined(isolate)) break; |
71 } | 71 } |
72 } | 72 } |
73 | 73 |
74 bool SerializerDeserializer::CanBeDeferred(HeapObject* o) { | 74 bool SerializerDeserializer::CanBeDeferred(HeapObject* o) { |
75 return !o->IsString() && !o->IsScript(); | 75 return !o->IsString() && !o->IsScript(); |
76 } | 76 } |
77 | 77 |
78 } // namespace internal | 78 } // namespace internal |
79 } // namespace v8 | 79 } // namespace v8 |
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