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Issue 1136553006: Implement SharedArrayBuffer (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: merge master Created 5 years, 7 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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/bootstrapper.h" 5 #include "src/bootstrapper.h"
6 6
7 #include "src/accessors.h" 7 #include "src/accessors.h"
8 #include "src/api-natives.h" 8 #include "src/api-natives.h"
9 #include "src/base/utils/random-number-generator.h" 9 #include "src/base/utils/random-number-generator.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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1746 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_sloppy) 1746 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_sloppy)
1747 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_unicode) 1747 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_unicode)
1748 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_unicode_regexps) 1748 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_unicode_regexps)
1749 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_computed_property_names) 1749 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_computed_property_names)
1750 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_rest_parameters) 1750 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_rest_parameters)
1751 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_reflect) 1751 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_reflect)
1752 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spreadcalls) 1752 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spreadcalls)
1753 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_destructuring) 1753 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_destructuring)
1754 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_object) 1754 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_object)
1755 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spread_arrays) 1755 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spread_arrays)
1756 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_sharedarraybuffer)
1756 1757
1757 1758
1758 void Genesis::InstallNativeFunctions_harmony_proxies() { 1759 void Genesis::InstallNativeFunctions_harmony_proxies() {
1759 if (FLAG_harmony_proxies) { 1760 if (FLAG_harmony_proxies) {
1760 INSTALL_NATIVE(JSFunction, "$proxyDerivedHasTrap", derived_has_trap); 1761 INSTALL_NATIVE(JSFunction, "$proxyDerivedHasTrap", derived_has_trap);
1761 INSTALL_NATIVE(JSFunction, "$proxyDerivedGetTrap", derived_get_trap); 1762 INSTALL_NATIVE(JSFunction, "$proxyDerivedGetTrap", derived_get_trap);
1762 INSTALL_NATIVE(JSFunction, "$proxyDerivedSetTrap", derived_set_trap); 1763 INSTALL_NATIVE(JSFunction, "$proxyDerivedSetTrap", derived_set_trap);
1763 INSTALL_NATIVE(JSFunction, "$proxyEnumerate", proxy_enumerate); 1764 INSTALL_NATIVE(JSFunction, "$proxyEnumerate", proxy_enumerate);
1764 } 1765 }
1765 } 1766 }
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1839 Handle<JSObject> builtins(native_context()->builtins()); 1840 Handle<JSObject> builtins(native_context()->builtins());
1840 1841
1841 Handle<HeapObject> flag(FLAG_harmony_tostring ? heap()->true_value() 1842 Handle<HeapObject> flag(FLAG_harmony_tostring ? heap()->true_value()
1842 : heap()->false_value()); 1843 : heap()->false_value());
1843 Runtime::SetObjectProperty(isolate(), builtins, 1844 Runtime::SetObjectProperty(isolate(), builtins,
1844 factory()->harmony_tostring_string(), flag, 1845 factory()->harmony_tostring_string(), flag,
1845 STRICT).Assert(); 1846 STRICT).Assert();
1846 } 1847 }
1847 1848
1848 1849
1850 void Genesis::InitializeGlobal_harmony_sharedarraybuffer() {
1851 if (!FLAG_harmony_sharedarraybuffer) return;
1852
1853 Handle<JSGlobalObject> global(
1854 JSGlobalObject::cast(native_context()->global_object()));
1855
1856 Handle<JSFunction> shared_array_buffer_fun = InstallFunction(
1857 global, "SharedArrayBuffer", JS_ARRAY_BUFFER_TYPE,
1858 JSArrayBuffer::kSizeWithInternalFields,
1859 isolate()->initial_object_prototype(), Builtins::kIllegal);
1860 native_context()->set_shared_array_buffer_fun(*shared_array_buffer_fun);
1861 }
1862
1863
1849 Handle<JSFunction> Genesis::InstallInternalArray(Handle<JSObject> target, 1864 Handle<JSFunction> Genesis::InstallInternalArray(Handle<JSObject> target,
1850 const char* name, 1865 const char* name,
1851 ElementsKind elements_kind) { 1866 ElementsKind elements_kind) {
1852 // --- I n t e r n a l A r r a y --- 1867 // --- I n t e r n a l A r r a y ---
1853 // An array constructor on the builtins object that works like 1868 // An array constructor on the builtins object that works like
1854 // the public Array constructor, except that its prototype 1869 // the public Array constructor, except that its prototype
1855 // doesn't inherit from Object.prototype. 1870 // doesn't inherit from Object.prototype.
1856 // To be used only for internal work by builtins. Instances 1871 // To be used only for internal work by builtins. Instances
1857 // must not be leaked to user code. 1872 // must not be leaked to user code.
1858 Handle<JSObject> prototype = 1873 Handle<JSObject> prototype =
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2403 static const char* harmony_computed_property_names_natives[] = {nullptr}; 2418 static const char* harmony_computed_property_names_natives[] = {nullptr};
2404 static const char* harmony_rest_parameters_natives[] = {nullptr}; 2419 static const char* harmony_rest_parameters_natives[] = {nullptr};
2405 static const char* harmony_reflect_natives[] = {"native harmony-reflect.js", 2420 static const char* harmony_reflect_natives[] = {"native harmony-reflect.js",
2406 nullptr}; 2421 nullptr};
2407 static const char* harmony_spreadcalls_natives[] = { 2422 static const char* harmony_spreadcalls_natives[] = {
2408 "native harmony-spread.js", nullptr}; 2423 "native harmony-spread.js", nullptr};
2409 static const char* harmony_destructuring_natives[] = {nullptr}; 2424 static const char* harmony_destructuring_natives[] = {nullptr};
2410 static const char* harmony_object_natives[] = {"native harmony-object.js", 2425 static const char* harmony_object_natives[] = {"native harmony-object.js",
2411 NULL}; 2426 NULL};
2412 static const char* harmony_spread_arrays_natives[] = {nullptr}; 2427 static const char* harmony_spread_arrays_natives[] = {nullptr};
2428 static const char* harmony_sharedarraybuffer_natives[] = {
2429 "native harmony-sharedarraybuffer.js", NULL};
2413 2430
2414 for (int i = ExperimentalNatives::GetDebuggerCount(); 2431 for (int i = ExperimentalNatives::GetDebuggerCount();
2415 i < ExperimentalNatives::GetBuiltinsCount(); i++) { 2432 i < ExperimentalNatives::GetBuiltinsCount(); i++) {
2416 #define INSTALL_EXPERIMENTAL_NATIVES(id, desc) \ 2433 #define INSTALL_EXPERIMENTAL_NATIVES(id, desc) \
2417 if (FLAG_##id) { \ 2434 if (FLAG_##id) { \
2418 for (size_t j = 0; id##_natives[j] != NULL; j++) { \ 2435 for (size_t j = 0; id##_natives[j] != NULL; j++) { \
2419 Vector<const char> script_name = ExperimentalNatives::GetScriptName(i); \ 2436 Vector<const char> script_name = ExperimentalNatives::GetScriptName(i); \
2420 if (strncmp(script_name.start(), id##_natives[j], \ 2437 if (strncmp(script_name.start(), id##_natives[j], \
2421 script_name.length()) == 0) { \ 2438 script_name.length()) == 0) { \
2422 if (!CompileExperimentalBuiltin(isolate(), i)) return false; \ 2439 if (!CompileExperimentalBuiltin(isolate(), i)) return false; \
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3051 return from + sizeof(NestingCounterType); 3068 return from + sizeof(NestingCounterType);
3052 } 3069 }
3053 3070
3054 3071
3055 // Called when the top-level V8 mutex is destroyed. 3072 // Called when the top-level V8 mutex is destroyed.
3056 void Bootstrapper::FreeThreadResources() { 3073 void Bootstrapper::FreeThreadResources() {
3057 DCHECK(!IsActive()); 3074 DCHECK(!IsActive());
3058 } 3075 }
3059 3076
3060 } } // namespace v8::internal 3077 } } // namespace v8::internal
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