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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/accessors.h" | 7 #include "src/external-reference-table.h" |
| 8 #include "src/assembler.h" | |
| 9 #include "src/counters.h" | |
| 10 #include "src/deoptimizer.h" | |
| 11 #include "src/ic/stub-cache.h" | 8 #include "src/ic/stub-cache.h" |
| 12 #include "src/list-inl.h" | 9 #include "src/list-inl.h" |
| 13 | 10 |
| 14 namespace v8 { | 11 namespace v8 { |
| 15 namespace internal { | 12 namespace internal { |
| 16 | 13 |
| 17 ExternalReferenceTable* ExternalReferenceTable::instance(Isolate* isolate) { | |
| 18 ExternalReferenceTable* external_reference_table = | |
| 19 isolate->external_reference_table(); | |
| 20 if (external_reference_table == NULL) { | |
| 21 external_reference_table = new ExternalReferenceTable(isolate); | |
| 22 isolate->set_external_reference_table(external_reference_table); | |
| 23 } | |
| 24 return external_reference_table; | |
| 25 } | |
| 26 | |
| 27 ExternalReferenceTable::ExternalReferenceTable(Isolate* isolate) { | |
| 28 // Miscellaneous | |
| 29 Add(ExternalReference::roots_array_start(isolate).address(), | |
| 30 "Heap::roots_array_start()"); | |
| 31 Add(ExternalReference::address_of_stack_limit(isolate).address(), | |
| 32 "StackGuard::address_of_jslimit()"); | |
| 33 Add(ExternalReference::address_of_real_stack_limit(isolate).address(), | |
| 34 "StackGuard::address_of_real_jslimit()"); | |
| 35 Add(ExternalReference::new_space_start(isolate).address(), | |
| 36 "Heap::NewSpaceStart()"); | |
| 37 Add(ExternalReference::new_space_allocation_limit_address(isolate).address(), | |
| 38 "Heap::NewSpaceAllocationLimitAddress()"); | |
| 39 Add(ExternalReference::new_space_allocation_top_address(isolate).address(), | |
| 40 "Heap::NewSpaceAllocationTopAddress()"); | |
| 41 Add(ExternalReference::mod_two_doubles_operation(isolate).address(), | |
| 42 "mod_two_doubles"); | |
| 43 // Keyed lookup cache. | |
| 44 Add(ExternalReference::keyed_lookup_cache_keys(isolate).address(), | |
| 45 "KeyedLookupCache::keys()"); | |
| 46 Add(ExternalReference::keyed_lookup_cache_field_offsets(isolate).address(), | |
| 47 "KeyedLookupCache::field_offsets()"); | |
| 48 Add(ExternalReference::handle_scope_next_address(isolate).address(), | |
| 49 "HandleScope::next"); | |
| 50 Add(ExternalReference::handle_scope_limit_address(isolate).address(), | |
| 51 "HandleScope::limit"); | |
| 52 Add(ExternalReference::handle_scope_level_address(isolate).address(), | |
| 53 "HandleScope::level"); | |
| 54 Add(ExternalReference::new_deoptimizer_function(isolate).address(), | |
| 55 "Deoptimizer::New()"); | |
| 56 Add(ExternalReference::compute_output_frames_function(isolate).address(), | |
| 57 "Deoptimizer::ComputeOutputFrames()"); | |
| 58 Add(ExternalReference::address_of_min_int().address(), | |
| 59 "LDoubleConstant::min_int"); | |
| 60 Add(ExternalReference::address_of_one_half().address(), | |
| 61 "LDoubleConstant::one_half"); | |
| 62 Add(ExternalReference::isolate_address(isolate).address(), "isolate"); | |
| 63 Add(ExternalReference::interpreter_dispatch_table_address(isolate).address(), | |
| 64 "Interpreter::dispatch_table_address"); | |
| 65 Add(ExternalReference::address_of_negative_infinity().address(), | |
| 66 "LDoubleConstant::negative_infinity"); | |
| 67 Add(ExternalReference::power_double_double_function(isolate).address(), | |
| 68 "power_double_double_function"); | |
| 69 Add(ExternalReference::power_double_int_function(isolate).address(), | |
| 70 "power_double_int_function"); | |
| 71 Add(ExternalReference::math_log_double_function(isolate).address(), | |
| 72 "std::log"); | |
| 73 Add(ExternalReference::store_buffer_top(isolate).address(), | |
| 74 "store_buffer_top"); | |
| 75 Add(ExternalReference::address_of_the_hole_nan().address(), "the_hole_nan"); | |
| 76 Add(ExternalReference::get_date_field_function(isolate).address(), | |
| 77 "JSDate::GetField"); | |
| 78 Add(ExternalReference::date_cache_stamp(isolate).address(), | |
| 79 "date_cache_stamp"); | |
| 80 Add(ExternalReference::address_of_pending_message_obj(isolate).address(), | |
| 81 "address_of_pending_message_obj"); | |
| 82 Add(ExternalReference::get_make_code_young_function(isolate).address(), | |
| 83 "Code::MakeCodeYoung"); | |
| 84 Add(ExternalReference::cpu_features().address(), "cpu_features"); | |
| 85 Add(ExternalReference::old_space_allocation_top_address(isolate).address(), | |
| 86 "Heap::OldSpaceAllocationTopAddress"); | |
| 87 Add(ExternalReference::old_space_allocation_limit_address(isolate).address(), | |
| 88 "Heap::OldSpaceAllocationLimitAddress"); | |
| 89 Add(ExternalReference::allocation_sites_list_address(isolate).address(), | |
| 90 "Heap::allocation_sites_list_address()"); | |
| 91 Add(ExternalReference::address_of_uint32_bias().address(), "uint32_bias"); | |
| 92 Add(ExternalReference::get_mark_code_as_executed_function(isolate).address(), | |
| 93 "Code::MarkCodeAsExecuted"); | |
| 94 Add(ExternalReference::is_profiling_address(isolate).address(), | |
| 95 "CpuProfiler::is_profiling"); | |
| 96 Add(ExternalReference::scheduled_exception_address(isolate).address(), | |
| 97 "Isolate::scheduled_exception"); | |
| 98 Add(ExternalReference::invoke_function_callback(isolate).address(), | |
| 99 "InvokeFunctionCallback"); | |
| 100 Add(ExternalReference::invoke_accessor_getter_callback(isolate).address(), | |
| 101 "InvokeAccessorGetterCallback"); | |
| 102 Add(ExternalReference::wasm_f32_trunc(isolate).address(), | |
| 103 "wasm::f32_trunc_wrapper"); | |
| 104 Add(ExternalReference::wasm_f32_floor(isolate).address(), | |
| 105 "wasm::f32_floor_wrapper"); | |
| 106 Add(ExternalReference::wasm_f32_ceil(isolate).address(), | |
| 107 "wasm::f32_ceil_wrapper"); | |
| 108 Add(ExternalReference::wasm_f32_nearest_int(isolate).address(), | |
| 109 "wasm::f32_nearest_int_wrapper"); | |
| 110 Add(ExternalReference::wasm_f64_trunc(isolate).address(), | |
| 111 "wasm::f64_trunc_wrapper"); | |
| 112 Add(ExternalReference::wasm_f64_floor(isolate).address(), | |
| 113 "wasm::f64_floor_wrapper"); | |
| 114 Add(ExternalReference::wasm_f64_ceil(isolate).address(), | |
| 115 "wasm::f64_ceil_wrapper"); | |
| 116 Add(ExternalReference::wasm_f64_nearest_int(isolate).address(), | |
| 117 "wasm::f64_nearest_int_wrapper"); | |
| 118 Add(ExternalReference::wasm_int64_to_float32(isolate).address(), | |
| 119 "wasm::int64_to_float32_wrapper"); | |
| 120 Add(ExternalReference::wasm_uint64_to_float32(isolate).address(), | |
| 121 "wasm::uint64_to_float32_wrapper"); | |
| 122 Add(ExternalReference::wasm_int64_to_float64(isolate).address(), | |
| 123 "wasm::int64_to_float64_wrapper"); | |
| 124 Add(ExternalReference::wasm_uint64_to_float64(isolate).address(), | |
| 125 "wasm::uint64_to_float64_wrapper"); | |
| 126 Add(ExternalReference::wasm_float32_to_int64(isolate).address(), | |
| 127 "wasm::float32_to_int64_wrapper"); | |
| 128 Add(ExternalReference::wasm_float32_to_uint64(isolate).address(), | |
| 129 "wasm::float32_to_uint64_wrapper"); | |
| 130 Add(ExternalReference::wasm_float64_to_int64(isolate).address(), | |
| 131 "wasm::float64_to_int64_wrapper"); | |
| 132 Add(ExternalReference::wasm_float64_to_uint64(isolate).address(), | |
| 133 "wasm::float64_to_uint64_wrapper"); | |
| 134 Add(ExternalReference::wasm_int64_div(isolate).address(), "wasm::int64_div"); | |
| 135 Add(ExternalReference::wasm_int64_mod(isolate).address(), "wasm::int64_mod"); | |
| 136 Add(ExternalReference::wasm_uint64_div(isolate).address(), | |
| 137 "wasm::uint64_div"); | |
| 138 Add(ExternalReference::wasm_uint64_mod(isolate).address(), | |
| 139 "wasm::uint64_mod"); | |
| 140 Add(ExternalReference::f64_acos_wrapper_function(isolate).address(), | |
| 141 "f64_acos_wrapper"); | |
| 142 Add(ExternalReference::f64_asin_wrapper_function(isolate).address(), | |
| 143 "f64_asin_wrapper"); | |
| 144 Add(ExternalReference::f64_atan_wrapper_function(isolate).address(), | |
| 145 "f64_atan_wrapper"); | |
| 146 Add(ExternalReference::f64_cos_wrapper_function(isolate).address(), | |
| 147 "f64_cos_wrapper"); | |
| 148 Add(ExternalReference::f64_sin_wrapper_function(isolate).address(), | |
| 149 "f64_sin_wrapper"); | |
| 150 Add(ExternalReference::f64_tan_wrapper_function(isolate).address(), | |
| 151 "f64_tan_wrapper"); | |
| 152 Add(ExternalReference::f64_exp_wrapper_function(isolate).address(), | |
| 153 "f64_exp_wrapper"); | |
| 154 Add(ExternalReference::f64_log_wrapper_function(isolate).address(), | |
| 155 "f64_log_wrapper"); | |
| 156 Add(ExternalReference::f64_pow_wrapper_function(isolate).address(), | |
| 157 "f64_pow_wrapper"); | |
| 158 Add(ExternalReference::f64_atan2_wrapper_function(isolate).address(), | |
| 159 "f64_atan2_wrapper"); | |
| 160 Add(ExternalReference::f64_mod_wrapper_function(isolate).address(), | |
| 161 "f64_mod_wrapper"); | |
| 162 Add(ExternalReference::log_enter_external_function(isolate).address(), | |
| 163 "Logger::EnterExternal"); | |
| 164 Add(ExternalReference::log_leave_external_function(isolate).address(), | |
| 165 "Logger::LeaveExternal"); | |
| 166 Add(ExternalReference::address_of_minus_one_half().address(), | |
| 167 "double_constants.minus_one_half"); | |
| 168 Add(ExternalReference::stress_deopt_count(isolate).address(), | |
| 169 "Isolate::stress_deopt_count_address()"); | |
| 170 Add(ExternalReference::virtual_handler_register(isolate).address(), | |
| 171 "Isolate::virtual_handler_register()"); | |
| 172 Add(ExternalReference::virtual_slot_register(isolate).address(), | |
| 173 "Isolate::virtual_slot_register()"); | |
| 174 Add(ExternalReference::runtime_function_table_address(isolate).address(), | |
| 175 "Runtime::runtime_function_table_address()"); | |
| 176 | |
| 177 // Debug addresses | |
| 178 Add(ExternalReference::debug_after_break_target_address(isolate).address(), | |
| 179 "Debug::after_break_target_address()"); | |
| 180 Add(ExternalReference::debug_is_active_address(isolate).address(), | |
| 181 "Debug::is_active_address()"); | |
| 182 Add(ExternalReference::debug_step_in_enabled_address(isolate).address(), | |
| 183 "Debug::step_in_enabled_address()"); | |
| 184 | |
| 185 #ifndef V8_INTERPRETED_REGEXP | |
| 186 Add(ExternalReference::re_case_insensitive_compare_uc16(isolate).address(), | |
| 187 "NativeRegExpMacroAssembler::CaseInsensitiveCompareUC16()"); | |
| 188 Add(ExternalReference::re_check_stack_guard_state(isolate).address(), | |
| 189 "RegExpMacroAssembler*::CheckStackGuardState()"); | |
| 190 Add(ExternalReference::re_grow_stack(isolate).address(), | |
| 191 "NativeRegExpMacroAssembler::GrowStack()"); | |
| 192 Add(ExternalReference::re_word_character_map().address(), | |
| 193 "NativeRegExpMacroAssembler::word_character_map"); | |
| 194 Add(ExternalReference::address_of_regexp_stack_limit(isolate).address(), | |
| 195 "RegExpStack::limit_address()"); | |
| 196 Add(ExternalReference::address_of_regexp_stack_memory_address(isolate) | |
| 197 .address(), | |
| 198 "RegExpStack::memory_address()"); | |
| 199 Add(ExternalReference::address_of_regexp_stack_memory_size(isolate).address(), | |
| 200 "RegExpStack::memory_size()"); | |
| 201 Add(ExternalReference::address_of_static_offsets_vector(isolate).address(), | |
| 202 "OffsetsVector::static_offsets_vector"); | |
| 203 #endif // V8_INTERPRETED_REGEXP | |
| 204 | |
| 205 // The following populates all of the different type of external references | |
| 206 // into the ExternalReferenceTable. | |
| 207 // | |
| 208 // NOTE: This function was originally 100k of code. It has since been | |
| 209 // rewritten to be mostly table driven, as the callback macro style tends to | |
| 210 // very easily cause code bloat. Please be careful in the future when adding | |
| 211 // new references. | |
| 212 | |
| 213 struct RefTableEntry { | |
| 214 uint16_t id; | |
| 215 const char* name; | |
| 216 }; | |
| 217 | |
| 218 static const RefTableEntry c_builtins[] = { | |
| 219 #define DEF_ENTRY_C(name, ignored) {Builtins::c_##name, "Builtins::" #name}, | |
| 220 BUILTIN_LIST_C(DEF_ENTRY_C) | |
| 221 #undef DEF_ENTRY_C | |
| 222 }; | |
| 223 | |
| 224 for (unsigned i = 0; i < arraysize(c_builtins); ++i) { | |
| 225 ExternalReference ref(static_cast<Builtins::CFunctionId>(c_builtins[i].id), | |
| 226 isolate); | |
| 227 Add(ref.address(), c_builtins[i].name); | |
| 228 } | |
| 229 | |
| 230 static const RefTableEntry builtins[] = { | |
| 231 #define DEF_ENTRY_C(name, ignored) {Builtins::k##name, "Builtins::" #name}, | |
| 232 #define DEF_ENTRY_A(name, i1, i2, i3) {Builtins::k##name, "Builtins::" #name}, | |
| 233 BUILTIN_LIST_C(DEF_ENTRY_C) BUILTIN_LIST_A(DEF_ENTRY_A) | |
| 234 BUILTIN_LIST_DEBUG_A(DEF_ENTRY_A) | |
| 235 #undef DEF_ENTRY_C | |
| 236 #undef DEF_ENTRY_A | |
| 237 }; | |
| 238 | |
| 239 for (unsigned i = 0; i < arraysize(builtins); ++i) { | |
| 240 ExternalReference ref(static_cast<Builtins::Name>(builtins[i].id), isolate); | |
| 241 Add(ref.address(), builtins[i].name); | |
| 242 } | |
| 243 | |
| 244 static const RefTableEntry runtime_functions[] = { | |
| 245 #define RUNTIME_ENTRY(name, i1, i2) {Runtime::k##name, "Runtime::" #name}, | |
| 246 FOR_EACH_INTRINSIC(RUNTIME_ENTRY) | |
| 247 #undef RUNTIME_ENTRY | |
| 248 }; | |
| 249 | |
| 250 for (unsigned i = 0; i < arraysize(runtime_functions); ++i) { | |
| 251 ExternalReference ref( | |
| 252 static_cast<Runtime::FunctionId>(runtime_functions[i].id), isolate); | |
| 253 Add(ref.address(), runtime_functions[i].name); | |
| 254 } | |
| 255 | |
| 256 // Stat counters | |
| 257 struct StatsRefTableEntry { | |
| 258 StatsCounter* (Counters::*counter)(); | |
| 259 const char* name; | |
| 260 }; | |
| 261 | |
| 262 static const StatsRefTableEntry stats_ref_table[] = { | |
| 263 #define COUNTER_ENTRY(name, caption) {&Counters::name, "Counters::" #name}, | |
| 264 STATS_COUNTER_LIST_1(COUNTER_ENTRY) STATS_COUNTER_LIST_2(COUNTER_ENTRY) | |
| 265 #undef COUNTER_ENTRY | |
| 266 }; | |
| 267 | |
| 268 Counters* counters = isolate->counters(); | |
| 269 for (unsigned i = 0; i < arraysize(stats_ref_table); ++i) { | |
| 270 // To make sure the indices are not dependent on whether counters are | |
| 271 // enabled, use a dummy address as filler. | |
| 272 Address address = NotAvailable(); | |
| 273 StatsCounter* counter = (counters->*(stats_ref_table[i].counter))(); | |
| 274 if (counter->Enabled()) { | |
| 275 address = reinterpret_cast<Address>(counter->GetInternalPointer()); | |
| 276 } | |
| 277 Add(address, stats_ref_table[i].name); | |
| 278 } | |
| 279 | |
| 280 // Top addresses | |
| 281 static const char* address_names[] = { | |
| 282 #define BUILD_NAME_LITERAL(Name, name) "Isolate::" #name "_address", | |
| 283 FOR_EACH_ISOLATE_ADDRESS_NAME(BUILD_NAME_LITERAL) NULL | |
| 284 #undef BUILD_NAME_LITERAL | |
| 285 }; | |
| 286 | |
| 287 for (int i = 0; i < Isolate::kIsolateAddressCount; ++i) { | |
| 288 Add(isolate->get_address_from_id(static_cast<Isolate::AddressId>(i)), | |
| 289 address_names[i]); | |
| 290 } | |
| 291 | |
| 292 // Accessors | |
| 293 struct AccessorRefTable { | |
| 294 Address address; | |
| 295 const char* name; | |
| 296 }; | |
| 297 | |
| 298 static const AccessorRefTable accessors[] = { | |
| 299 #define ACCESSOR_INFO_DECLARATION(name) \ | |
| 300 {FUNCTION_ADDR(&Accessors::name##Getter), "Accessors::" #name "Getter"}, | |
| 301 ACCESSOR_INFO_LIST(ACCESSOR_INFO_DECLARATION) | |
| 302 #undef ACCESSOR_INFO_DECLARATION | |
| 303 #define ACCESSOR_SETTER_DECLARATION(name) \ | |
| 304 {FUNCTION_ADDR(&Accessors::name), "Accessors::" #name}, | |
| 305 ACCESSOR_SETTER_LIST(ACCESSOR_SETTER_DECLARATION) | |
| 306 #undef ACCESSOR_INFO_DECLARATION | |
| 307 }; | |
| 308 | |
| 309 for (unsigned i = 0; i < arraysize(accessors); ++i) { | |
| 310 Add(accessors[i].address, accessors[i].name); | |
| 311 } | |
| 312 | |
| 313 StubCache* stub_cache = isolate->stub_cache(); | |
| 314 | |
| 315 // Stub cache tables | |
| 316 Add(stub_cache->key_reference(StubCache::kPrimary).address(), | |
| 317 "StubCache::primary_->key"); | |
| 318 Add(stub_cache->value_reference(StubCache::kPrimary).address(), | |
| 319 "StubCache::primary_->value"); | |
| 320 Add(stub_cache->map_reference(StubCache::kPrimary).address(), | |
| 321 "StubCache::primary_->map"); | |
| 322 Add(stub_cache->key_reference(StubCache::kSecondary).address(), | |
| 323 "StubCache::secondary_->key"); | |
| 324 Add(stub_cache->value_reference(StubCache::kSecondary).address(), | |
| 325 "StubCache::secondary_->value"); | |
| 326 Add(stub_cache->map_reference(StubCache::kSecondary).address(), | |
| 327 "StubCache::secondary_->map"); | |
| 328 | |
| 329 // Runtime entries | |
| 330 Add(ExternalReference::delete_handle_scope_extensions(isolate).address(), | |
| 331 "HandleScope::DeleteExtensions"); | |
| 332 Add(ExternalReference::incremental_marking_record_write_function(isolate) | |
| 333 .address(), | |
| 334 "IncrementalMarking::RecordWrite"); | |
| 335 Add(ExternalReference::incremental_marking_record_write_code_entry_function( | |
| 336 isolate) | |
| 337 .address(), | |
| 338 "IncrementalMarking::RecordWriteOfCodeEntryFromCode"); | |
| 339 Add(ExternalReference::store_buffer_overflow_function(isolate).address(), | |
| 340 "StoreBuffer::StoreBufferOverflow"); | |
| 341 | |
| 342 // Add a small set of deopt entry addresses to encoder without generating the | |
| 343 // deopt table code, which isn't possible at deserialization time. | |
| 344 HandleScope scope(isolate); | |
| 345 for (int entry = 0; entry < kDeoptTableSerializeEntryCount; ++entry) { | |
| 346 Address address = Deoptimizer::GetDeoptimizationEntry( | |
| 347 isolate, entry, Deoptimizer::LAZY, | |
| 348 Deoptimizer::CALCULATE_ENTRY_ADDRESS); | |
| 349 Add(address, "lazy_deopt"); | |
| 350 } | |
| 351 } | |
| 352 | |
| 353 ExternalReferenceEncoder::ExternalReferenceEncoder(Isolate* isolate) { | 14 ExternalReferenceEncoder::ExternalReferenceEncoder(Isolate* isolate) { |
| 354 map_ = isolate->external_reference_map(); | 15 map_ = isolate->external_reference_map(); |
| 355 if (map_ != NULL) return; | 16 if (map_ != NULL) return; |
| 356 map_ = new HashMap(HashMap::PointersMatch); | 17 map_ = new HashMap(HashMap::PointersMatch); |
| 357 ExternalReferenceTable* table = ExternalReferenceTable::instance(isolate); | 18 ExternalReferenceTable* table = ExternalReferenceTable::instance(isolate); |
| 358 for (int i = 0; i < table->size(); ++i) { | 19 for (int i = 0; i < table->size(); ++i) { |
| 359 Address addr = table->address(i); | 20 Address addr = table->address(i); |
| 360 if (addr == ExternalReferenceTable::NotAvailable()) continue; | 21 if (addr == ExternalReferenceTable::NotAvailable()) continue; |
| 361 // We expect no duplicate external references entries in the table. | 22 // We expect no duplicate external references entries in the table. |
| 362 DCHECK_NULL(map_->Lookup(addr, Hash(addr))); | 23 DCHECK_NULL(map_->Lookup(addr, Hash(addr))); |
| (...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 406 if (cache->at(i)->IsUndefined()) break; | 67 if (cache->at(i)->IsUndefined()) break; |
| 407 } | 68 } |
| 408 } | 69 } |
| 409 | 70 |
| 410 bool SerializerDeserializer::CanBeDeferred(HeapObject* o) { | 71 bool SerializerDeserializer::CanBeDeferred(HeapObject* o) { |
| 411 return !o->IsString() && !o->IsScript(); | 72 return !o->IsString() && !o->IsScript(); |
| 412 } | 73 } |
| 413 | 74 |
| 414 } // namespace internal | 75 } // namespace internal |
| 415 } // namespace v8 | 76 } // namespace v8 |
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