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Issue 10534006: Remove TLS access for current Zone. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 6 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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34 34
35 static bool Match(void* key1, void* key2) { 35 static bool Match(void* key1, void* key2) {
36 String* name1 = *static_cast<String**>(key1); 36 String* name1 = *static_cast<String**>(key1);
37 String* name2 = *static_cast<String**>(key2); 37 String* name2 = *static_cast<String**>(key2);
38 ASSERT(name1->IsSymbol()); 38 ASSERT(name1->IsSymbol());
39 ASSERT(name2->IsSymbol()); 39 ASSERT(name2->IsSymbol());
40 return name1 == name2; 40 return name1 == name2;
41 } 41 }
42 42
43 43
44 Interface* Interface::Lookup(Handle<String> name) { 44 Interface* Interface::Lookup(Handle<String> name, Zone* zone) {
45 ASSERT(IsModule()); 45 ASSERT(IsModule());
46 ZoneHashMap* map = Chase()->exports_; 46 ZoneHashMap* map = Chase()->exports_;
47 if (map == NULL) return NULL; 47 if (map == NULL) return NULL;
48 ZoneHashMap::Entry* p = map->Lookup(name.location(), name->Hash(), false); 48 ZoneAllocationPolicy allocator(zone);
49 ZoneHashMap::Entry* p = map->Lookup(name.location(), name->Hash(), false,
50 allocator);
49 if (p == NULL) return NULL; 51 if (p == NULL) return NULL;
50 ASSERT(*static_cast<String**>(p->key) == *name); 52 ASSERT(*static_cast<String**>(p->key) == *name);
51 ASSERT(p->value != NULL); 53 ASSERT(p->value != NULL);
52 return static_cast<Interface*>(p->value); 54 return static_cast<Interface*>(p->value);
53 } 55 }
54 56
55 57
56 #ifdef DEBUG 58 #ifdef DEBUG
57 // Current nesting depth for debug output. 59 // Current nesting depth for debug output.
58 class Nesting { 60 class Nesting {
59 public: 61 public:
60 Nesting() { current_ += 2; } 62 Nesting() { current_ += 2; }
61 ~Nesting() { current_ -= 2; } 63 ~Nesting() { current_ -= 2; }
62 static int current() { return current_; } 64 static int current() { return current_; }
63 private: 65 private:
64 static int current_; 66 static int current_;
65 }; 67 };
66 68
67 int Nesting::current_ = 0; 69 int Nesting::current_ = 0;
68 #endif 70 #endif
69 71
70 72
71 void Interface::DoAdd( 73 void Interface::DoAdd(
72 void* name, uint32_t hash, Interface* interface, bool* ok) { 74 void* name, uint32_t hash, Interface* interface, bool* ok, Zone* zone) {
73 MakeModule(ok); 75 MakeModule(ok);
74 if (!*ok) return; 76 if (!*ok) return;
75 77
76 #ifdef DEBUG 78 #ifdef DEBUG
77 if (FLAG_print_interface_details) { 79 if (FLAG_print_interface_details) {
78 PrintF("%*s# Adding...\n", Nesting::current(), ""); 80 PrintF("%*s# Adding...\n", Nesting::current(), "");
79 PrintF("%*sthis = ", Nesting::current(), ""); 81 PrintF("%*sthis = ", Nesting::current(), "");
80 this->Print(Nesting::current()); 82 this->Print(Nesting::current());
81 PrintF("%*s%s : ", Nesting::current(), "", 83 PrintF("%*s%s : ", Nesting::current(), "",
82 (*static_cast<String**>(name))->ToAsciiArray()); 84 (*static_cast<String**>(name))->ToAsciiArray());
83 interface->Print(Nesting::current()); 85 interface->Print(Nesting::current());
84 } 86 }
85 #endif 87 #endif
86 88
87 ZoneHashMap** map = &Chase()->exports_; 89 ZoneHashMap** map = &Chase()->exports_;
88 if (*map == NULL) *map = new ZoneHashMap(Match, 8); 90 ZoneAllocationPolicy allocator(zone);
89 91
90 ZoneHashMap::Entry* p = (*map)->Lookup(name, hash, !IsFrozen()); 92 if (*map == NULL)
93 *map = new ZoneHashMap(Match, 8, allocator);
danno 2012/06/05 13:42:35 Constant for default argument
sanjoy 2012/06/05 14:21:39 Fixed.
94
95 ZoneHashMap::Entry* p = (*map)->Lookup(name, hash, !IsFrozen(), allocator);
91 if (p == NULL) { 96 if (p == NULL) {
92 // This didn't have name but was frozen already, that's an error. 97 // This didn't have name but was frozen already, that's an error.
93 *ok = false; 98 *ok = false;
94 } else if (p->value == NULL) { 99 } else if (p->value == NULL) {
95 p->value = interface; 100 p->value = interface;
96 } else { 101 } else {
97 #ifdef DEBUG 102 #ifdef DEBUG
98 Nesting nested; 103 Nesting nested;
99 #endif 104 #endif
100 static_cast<Interface*>(p->value)->Unify(interface, ok); 105 static_cast<Interface*>(p->value)->Unify(interface, ok, zone);
101 } 106 }
102 107
103 #ifdef DEBUG 108 #ifdef DEBUG
104 if (FLAG_print_interface_details) { 109 if (FLAG_print_interface_details) {
105 PrintF("%*sthis' = ", Nesting::current(), ""); 110 PrintF("%*sthis' = ", Nesting::current(), "");
106 this->Print(Nesting::current()); 111 this->Print(Nesting::current());
107 PrintF("%*s# Added.\n", Nesting::current(), ""); 112 PrintF("%*s# Added.\n", Nesting::current(), "");
108 } 113 }
109 #endif 114 #endif
110 } 115 }
111 116
112 117
113 void Interface::Unify(Interface* that, bool* ok) { 118 void Interface::Unify(Interface* that, bool* ok, Zone* zone) {
114 if (this->forward_) return this->Chase()->Unify(that, ok); 119 if (this->forward_) return this->Chase()->Unify(that, ok, zone);
115 if (that->forward_) return this->Unify(that->Chase(), ok); 120 if (that->forward_) return this->Unify(that->Chase(), ok, zone);
116 ASSERT(this->forward_ == NULL); 121 ASSERT(this->forward_ == NULL);
117 ASSERT(that->forward_ == NULL); 122 ASSERT(that->forward_ == NULL);
118 123
119 *ok = true; 124 *ok = true;
120 if (this == that) return; 125 if (this == that) return;
121 if (this->IsValue()) return that->MakeValue(ok); 126 if (this->IsValue()) return that->MakeValue(ok);
122 if (that->IsValue()) return this->MakeValue(ok); 127 if (that->IsValue()) return this->MakeValue(ok);
123 128
124 #ifdef DEBUG 129 #ifdef DEBUG
125 if (FLAG_print_interface_details) { 130 if (FLAG_print_interface_details) {
126 PrintF("%*s# Unifying...\n", Nesting::current(), ""); 131 PrintF("%*s# Unifying...\n", Nesting::current(), "");
127 PrintF("%*sthis = ", Nesting::current(), ""); 132 PrintF("%*sthis = ", Nesting::current(), "");
128 this->Print(Nesting::current()); 133 this->Print(Nesting::current());
129 PrintF("%*sthat = ", Nesting::current(), ""); 134 PrintF("%*sthat = ", Nesting::current(), "");
130 that->Print(Nesting::current()); 135 that->Print(Nesting::current());
131 } 136 }
132 #endif 137 #endif
133 138
134 // Merge the smaller interface into the larger, for performance. 139 // Merge the smaller interface into the larger, for performance.
135 if (this->exports_ != NULL && (that->exports_ == NULL || 140 if (this->exports_ != NULL && (that->exports_ == NULL ||
136 this->exports_->occupancy() >= that->exports_->occupancy())) { 141 this->exports_->occupancy() >= that->exports_->occupancy())) {
137 this->DoUnify(that, ok); 142 this->DoUnify(that, ok, zone);
138 } else { 143 } else {
139 that->DoUnify(this, ok); 144 that->DoUnify(this, ok, zone);
140 } 145 }
141 146
142 #ifdef DEBUG 147 #ifdef DEBUG
143 if (FLAG_print_interface_details) { 148 if (FLAG_print_interface_details) {
144 PrintF("%*sthis' = ", Nesting::current(), ""); 149 PrintF("%*sthis' = ", Nesting::current(), "");
145 this->Print(Nesting::current()); 150 this->Print(Nesting::current());
146 PrintF("%*sthat' = ", Nesting::current(), ""); 151 PrintF("%*sthat' = ", Nesting::current(), "");
147 that->Print(Nesting::current()); 152 that->Print(Nesting::current());
148 PrintF("%*s# Unified.\n", Nesting::current(), ""); 153 PrintF("%*s# Unified.\n", Nesting::current(), "");
149 } 154 }
150 #endif 155 #endif
151 } 156 }
152 157
153 158
154 void Interface::DoUnify(Interface* that, bool* ok) { 159 void Interface::DoUnify(Interface* that, bool* ok, Zone* zone) {
155 ASSERT(this->forward_ == NULL); 160 ASSERT(this->forward_ == NULL);
156 ASSERT(that->forward_ == NULL); 161 ASSERT(that->forward_ == NULL);
157 ASSERT(!this->IsValue()); 162 ASSERT(!this->IsValue());
158 ASSERT(!that->IsValue()); 163 ASSERT(!that->IsValue());
159 ASSERT(*ok); 164 ASSERT(*ok);
160 165
161 #ifdef DEBUG 166 #ifdef DEBUG
162 Nesting nested; 167 Nesting nested;
163 #endif 168 #endif
164 169
165 // Try to merge all members from that into this. 170 // Try to merge all members from that into this.
166 ZoneHashMap* map = that->exports_; 171 ZoneHashMap* map = that->exports_;
167 if (map != NULL) { 172 if (map != NULL) {
168 for (ZoneHashMap::Entry* p = map->Start(); p != NULL; p = map->Next(p)) { 173 for (ZoneHashMap::Entry* p = map->Start(); p != NULL; p = map->Next(p)) {
169 this->DoAdd(p->key, p->hash, static_cast<Interface*>(p->value), ok); 174 this->DoAdd(p->key, p->hash, static_cast<Interface*>(p->value), ok, zone);
170 if (!*ok) return; 175 if (!*ok) return;
171 } 176 }
172 } 177 }
173 178
174 // If the new interface is larger than that's, then there were members in 179 // If the new interface is larger than that's, then there were members in
175 // 'this' which 'that' didn't have. If 'that' was frozen that is an error. 180 // 'this' which 'that' didn't have. If 'that' was frozen that is an error.
176 int this_size = this->exports_ == NULL ? 0 : this->exports_->occupancy(); 181 int this_size = this->exports_ == NULL ? 0 : this->exports_->occupancy();
177 int that_size = map == NULL ? 0 : map->occupancy(); 182 int that_size = map == NULL ? 0 : map->occupancy();
178 if (that->IsFrozen() && this_size > that_size) { 183 if (that->IsFrozen() && this_size > that_size) {
179 *ok = false; 184 *ok = false;
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after
226 PrintF("%*s%s : ", n0 + 2, "", name->ToAsciiArray()); 231 PrintF("%*s%s : ", n0 + 2, "", name->ToAsciiArray());
227 interface->Print(n0 + 2); 232 interface->Print(n0 + 2);
228 } 233 }
229 PrintF("%*s}\n", n0, ""); 234 PrintF("%*s}\n", n0, "");
230 } 235 }
231 } 236 }
232 } 237 }
233 #endif 238 #endif
234 239
235 } } // namespace v8::internal 240 } } // namespace v8::internal
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