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Issue 9190001: Backport @10366 to 3.6 Base URL: http://v8.googlecode.com/svn/branches/3.6/
Patch Set: '' Created 8 years, 11 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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104 } 104 }
105 } 105 }
106 106
107 107
108 const char* StringsStorage::GetCopy(const char* src) { 108 const char* StringsStorage::GetCopy(const char* src) {
109 int len = static_cast<int>(strlen(src)); 109 int len = static_cast<int>(strlen(src));
110 Vector<char> dst = Vector<char>::New(len + 1); 110 Vector<char> dst = Vector<char>::New(len + 1);
111 OS::StrNCpy(dst, src, len); 111 OS::StrNCpy(dst, src, len);
112 dst[len] = '\0'; 112 dst[len] = '\0';
113 uint32_t hash = 113 uint32_t hash =
114 HashSequentialString(dst.start(), len, HEAP->StringHashSeed()); 114 HashSequentialString(dst.start(), len, HEAP->HashSeed());
115 return AddOrDisposeString(dst.start(), hash); 115 return AddOrDisposeString(dst.start(), hash);
116 } 116 }
117 117
118 118
119 const char* StringsStorage::GetFormatted(const char* format, ...) { 119 const char* StringsStorage::GetFormatted(const char* format, ...) {
120 va_list args; 120 va_list args;
121 va_start(args, format); 121 va_start(args, format);
122 const char* result = GetVFormatted(format, args); 122 const char* result = GetVFormatted(format, args);
123 va_end(args); 123 va_end(args);
124 return result; 124 return result;
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138 138
139 139
140 const char* StringsStorage::GetVFormatted(const char* format, va_list args) { 140 const char* StringsStorage::GetVFormatted(const char* format, va_list args) {
141 Vector<char> str = Vector<char>::New(1024); 141 Vector<char> str = Vector<char>::New(1024);
142 int len = OS::VSNPrintF(str, format, args); 142 int len = OS::VSNPrintF(str, format, args);
143 if (len == -1) { 143 if (len == -1) {
144 DeleteArray(str.start()); 144 DeleteArray(str.start());
145 return format; 145 return format;
146 } 146 }
147 uint32_t hash = HashSequentialString( 147 uint32_t hash = HashSequentialString(
148 str.start(), len, HEAP->StringHashSeed()); 148 str.start(), len, HEAP->HashSeed());
149 return AddOrDisposeString(str.start(), hash); 149 return AddOrDisposeString(str.start(), hash);
150 } 150 }
151 151
152 152
153 const char* StringsStorage::GetName(String* name) { 153 const char* StringsStorage::GetName(String* name) {
154 if (name->IsString()) { 154 if (name->IsString()) {
155 return AddOrDisposeString( 155 return AddOrDisposeString(
156 name->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL).Detach(), 156 name->ToCString(DISALLOW_NULLS, ROBUST_STRING_TRAVERSAL).Detach(),
157 name->Hash()); 157 name->Hash());
158 } 158 }
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171 void CodeEntry::CopyData(const CodeEntry& source) { 171 void CodeEntry::CopyData(const CodeEntry& source) {
172 tag_ = source.tag_; 172 tag_ = source.tag_;
173 name_prefix_ = source.name_prefix_; 173 name_prefix_ = source.name_prefix_;
174 name_ = source.name_; 174 name_ = source.name_;
175 resource_name_ = source.resource_name_; 175 resource_name_ = source.resource_name_;
176 line_number_ = source.line_number_; 176 line_number_ = source.line_number_;
177 } 177 }
178 178
179 179
180 uint32_t CodeEntry::GetCallUid() const { 180 uint32_t CodeEntry::GetCallUid() const {
181 uint32_t hash = ComputeIntegerHash(tag_); 181 uint32_t hash = ComputeIntegerHash(tag_, v8::internal::kZeroHashSeed);
182 if (shared_id_ != 0) { 182 if (shared_id_ != 0) {
183 hash ^= ComputeIntegerHash( 183 hash ^= ComputeIntegerHash(static_cast<uint32_t>(shared_id_),
184 static_cast<uint32_t>(shared_id_)); 184 v8::internal::kZeroHashSeed);
185 } else { 185 } else {
186 hash ^= ComputeIntegerHash( 186 hash ^= ComputeIntegerHash(
187 static_cast<uint32_t>(reinterpret_cast<uintptr_t>(name_prefix_))); 187 static_cast<uint32_t>(reinterpret_cast<uintptr_t>(name_prefix_)),
188 v8::internal::kZeroHashSeed);
188 hash ^= ComputeIntegerHash( 189 hash ^= ComputeIntegerHash(
189 static_cast<uint32_t>(reinterpret_cast<uintptr_t>(name_))); 190 static_cast<uint32_t>(reinterpret_cast<uintptr_t>(name_)),
191 v8::internal::kZeroHashSeed);
190 hash ^= ComputeIntegerHash( 192 hash ^= ComputeIntegerHash(
191 static_cast<uint32_t>(reinterpret_cast<uintptr_t>(resource_name_))); 193 static_cast<uint32_t>(reinterpret_cast<uintptr_t>(resource_name_)),
192 hash ^= ComputeIntegerHash(line_number_); 194 v8::internal::kZeroHashSeed);
195 hash ^= ComputeIntegerHash(line_number_, v8::internal::kZeroHashSeed);
193 } 196 }
194 return hash; 197 return hash;
195 } 198 }
196 199
197 200
198 bool CodeEntry::IsSameAs(CodeEntry* entry) const { 201 bool CodeEntry::IsSameAs(CodeEntry* entry) const {
199 return this == entry 202 return this == entry
200 || (tag_ == entry->tag_ 203 || (tag_ == entry->tag_
201 && shared_id_ == entry->shared_id_ 204 && shared_id_ == entry->shared_id_
202 && (shared_id_ != 0 205 && (shared_id_ != 0
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1206 type_(type), 1209 type_(type),
1207 title_(title), 1210 title_(title),
1208 uid_(uid), 1211 uid_(uid),
1209 root_entry_(NULL), 1212 root_entry_(NULL),
1210 gc_roots_entry_(NULL), 1213 gc_roots_entry_(NULL),
1211 natives_root_entry_(NULL), 1214 natives_root_entry_(NULL),
1212 raw_entries_(NULL), 1215 raw_entries_(NULL),
1213 entries_sorted_(false) { 1216 entries_sorted_(false) {
1214 STATIC_ASSERT( 1217 STATIC_ASSERT(
1215 sizeof(HeapGraphEdge) == 1218 sizeof(HeapGraphEdge) ==
1216 SnapshotSizeConstants<sizeof(void*)>::kExpectedHeapGraphEdgeSize); // NOL INT 1219 SnapshotSizeConstants<kPointerSize>::kExpectedHeapGraphEdgeSize);
1217 STATIC_ASSERT( 1220 STATIC_ASSERT(
1218 sizeof(HeapEntry) == 1221 sizeof(HeapEntry) ==
1219 SnapshotSizeConstants<sizeof(void*)>::kExpectedHeapEntrySize); // NOLINT 1222 SnapshotSizeConstants<sizeof(void*)>::kExpectedHeapEntrySize); // NOLINT
1220 } 1223 }
1221 1224
1222 HeapSnapshot::~HeapSnapshot() { 1225 HeapSnapshot::~HeapSnapshot() {
1223 DeleteArray(raw_entries_); 1226 DeleteArray(raw_entries_);
1224 } 1227 }
1225 1228
1226 1229
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1459 delete entries_; 1462 delete entries_;
1460 entries_ = new_entries; 1463 entries_ = new_entries;
1461 } 1464 }
1462 1465
1463 1466
1464 uint64_t HeapObjectsMap::GenerateId(v8::RetainedObjectInfo* info) { 1467 uint64_t HeapObjectsMap::GenerateId(v8::RetainedObjectInfo* info) {
1465 uint64_t id = static_cast<uint64_t>(info->GetHash()); 1468 uint64_t id = static_cast<uint64_t>(info->GetHash());
1466 const char* label = info->GetLabel(); 1469 const char* label = info->GetLabel();
1467 id ^= HashSequentialString(label, 1470 id ^= HashSequentialString(label,
1468 static_cast<int>(strlen(label)), 1471 static_cast<int>(strlen(label)),
1469 HEAP->StringHashSeed()); 1472 HEAP->HashSeed());
1470 intptr_t element_count = info->GetElementCount(); 1473 intptr_t element_count = info->GetElementCount();
1471 if (element_count != -1) 1474 if (element_count != -1)
1472 id ^= ComputeIntegerHash(static_cast<uint32_t>(element_count)); 1475 id ^= ComputeIntegerHash(static_cast<uint32_t>(element_count),
1476 v8::internal::kZeroHashSeed);
1473 return id << 1; 1477 return id << 1;
1474 } 1478 }
1475 1479
1476 1480
1477 HeapSnapshotsCollection::HeapSnapshotsCollection() 1481 HeapSnapshotsCollection::HeapSnapshotsCollection()
1478 : is_tracking_objects_(false), 1482 : is_tracking_objects_(false),
1479 snapshots_uids_(HeapSnapshotsMatch), 1483 snapshots_uids_(HeapSnapshotsMatch),
1480 token_enumerator_(new TokenEnumerator()) { 1484 token_enumerator_(new TokenEnumerator()) {
1481 } 1485 }
1482 1486
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2124 FixedArray* elements = FixedArray::cast(js_obj->elements()); 2128 FixedArray* elements = FixedArray::cast(js_obj->elements());
2125 int length = js_obj->IsJSArray() ? 2129 int length = js_obj->IsJSArray() ?
2126 Smi::cast(JSArray::cast(js_obj)->length())->value() : 2130 Smi::cast(JSArray::cast(js_obj)->length())->value() :
2127 elements->length(); 2131 elements->length();
2128 for (int i = 0; i < length; ++i) { 2132 for (int i = 0; i < length; ++i) {
2129 if (!elements->get(i)->IsTheHole()) { 2133 if (!elements->get(i)->IsTheHole()) {
2130 SetElementReference(js_obj, entry, i, elements->get(i)); 2134 SetElementReference(js_obj, entry, i, elements->get(i));
2131 } 2135 }
2132 } 2136 }
2133 } else if (js_obj->HasDictionaryElements()) { 2137 } else if (js_obj->HasDictionaryElements()) {
2134 NumberDictionary* dictionary = js_obj->element_dictionary(); 2138 SeededNumberDictionary* dictionary = js_obj->element_dictionary();
2135 int length = dictionary->Capacity(); 2139 int length = dictionary->Capacity();
2136 for (int i = 0; i < length; ++i) { 2140 for (int i = 0; i < length; ++i) {
2137 Object* k = dictionary->KeyAt(i); 2141 Object* k = dictionary->KeyAt(i);
2138 if (dictionary->IsKey(k)) { 2142 if (dictionary->IsKey(k)) {
2139 ASSERT(k->IsNumber()); 2143 ASSERT(k->IsNumber());
2140 uint32_t index = static_cast<uint32_t>(k->Number()); 2144 uint32_t index = static_cast<uint32_t>(k->Number());
2141 SetElementReference(js_obj, entry, index, dictionary->ValueAt(i)); 2145 SetElementReference(js_obj, entry, index, dictionary->ValueAt(i));
2142 } 2146 }
2143 } 2147 }
2144 } 2148 }
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3353 3357
3354 3358
3355 void HeapSnapshotJSONSerializer::SortHashMap( 3359 void HeapSnapshotJSONSerializer::SortHashMap(
3356 HashMap* map, List<HashMap::Entry*>* sorted_entries) { 3360 HashMap* map, List<HashMap::Entry*>* sorted_entries) {
3357 for (HashMap::Entry* p = map->Start(); p != NULL; p = map->Next(p)) 3361 for (HashMap::Entry* p = map->Start(); p != NULL; p = map->Next(p))
3358 sorted_entries->Add(p); 3362 sorted_entries->Add(p);
3359 sorted_entries->Sort(SortUsingEntryValue); 3363 sorted_entries->Sort(SortUsingEntryValue);
3360 } 3364 }
3361 3365
3362 } } // namespace v8::internal 3366 } } // namespace v8::internal
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