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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 // 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/builtins/builtins.h" | 5 #include "src/builtins/builtins.h" |
| 6 #include "src/api.h" | 6 #include "src/api.h" |
| 7 #include "src/assembler-inl.h" | 7 #include "src/assembler-inl.h" |
| 8 #include "src/callable.h" | 8 #include "src/callable.h" |
| 9 #include "src/code-events.h" | |
| 10 #include "src/compiler/code-assembler.h" | |
| 11 #include "src/ic/ic-state.h" | |
| 12 #include "src/interface-descriptors.h" | |
| 13 #include "src/isolate.h" | 9 #include "src/isolate.h" |
| 14 #include "src/macro-assembler.h" | 10 #include "src/macro-assembler.h" |
| 15 #include "src/objects-inl.h" | 11 #include "src/objects-inl.h" |
| 16 | 12 |
| 17 namespace v8 { | 13 namespace v8 { |
| 18 namespace internal { | 14 namespace internal { |
| 19 | 15 |
| 20 // Forward declarations for C++ builtins. | 16 // Forward declarations for C++ builtins. |
| 21 #define FORWARD_DECLARE(Name) \ | 17 #define FORWARD_DECLARE(Name) \ |
| 22 Object* Builtin_##Name(int argc, Object** args, Isolate* isolate); | 18 Object* Builtin_##Name(int argc, Object** args, Isolate* isolate); |
| 23 BUILTIN_LIST_C(FORWARD_DECLARE) | 19 BUILTIN_LIST_C(FORWARD_DECLARE) |
| 24 | 20 |
| 25 Builtins::Builtins() : initialized_(false) { | 21 Builtins::Builtins() : initialized_(false) { |
| 26 memset(builtins_, 0, sizeof(builtins_[0]) * builtin_count); | 22 memset(builtins_, 0, sizeof(builtins_[0]) * builtin_count); |
| 27 } | 23 } |
| 28 | 24 |
| 29 Builtins::~Builtins() {} | 25 Builtins::~Builtins() {} |
| 30 | 26 |
| 31 namespace { | |
|
Jakob Kummerow
2017/03/21 16:38:00
all this stuff moved to setup-builtins-internal.cc
| |
| 32 void PostBuildProfileAndTracing(Isolate* isolate, Code* code, | |
| 33 const char* name) { | |
| 34 PROFILE(isolate, CodeCreateEvent(CodeEventListener::BUILTIN_TAG, | |
| 35 AbstractCode::cast(code), name)); | |
| 36 #ifdef ENABLE_DISASSEMBLER | |
| 37 if (FLAG_print_builtin_code) { | |
| 38 CodeTracer::Scope trace_scope(isolate->GetCodeTracer()); | |
| 39 OFStream os(trace_scope.file()); | |
| 40 os << "Builtin: " << name << "\n"; | |
| 41 code->Disassemble(name, os); | |
| 42 os << "\n"; | |
| 43 } | |
| 44 #endif | |
| 45 } | |
| 46 | |
| 47 typedef void (*MacroAssemblerGenerator)(MacroAssembler*); | |
| 48 typedef void (*CodeAssemblerGenerator)(compiler::CodeAssemblerState*); | |
| 49 | |
| 50 Code* BuildWithMacroAssembler(Isolate* isolate, | |
| 51 MacroAssemblerGenerator generator, | |
| 52 Code::Flags flags, const char* s_name) { | |
| 53 HandleScope scope(isolate); | |
| 54 const size_t buffer_size = 32 * KB; | |
| 55 byte buffer[buffer_size]; // NOLINT(runtime/arrays) | |
| 56 MacroAssembler masm(isolate, buffer, buffer_size, CodeObjectRequired::kYes); | |
| 57 DCHECK(!masm.has_frame()); | |
| 58 generator(&masm); | |
| 59 CodeDesc desc; | |
| 60 masm.GetCode(&desc); | |
| 61 Handle<Code> code = | |
| 62 isolate->factory()->NewCode(desc, flags, masm.CodeObject()); | |
| 63 PostBuildProfileAndTracing(isolate, *code, s_name); | |
| 64 return *code; | |
| 65 } | |
| 66 | |
| 67 Code* BuildAdaptor(Isolate* isolate, Address builtin_address, | |
| 68 Builtins::ExitFrameType exit_frame_type, Code::Flags flags, | |
| 69 const char* name) { | |
| 70 HandleScope scope(isolate); | |
| 71 const size_t buffer_size = 32 * KB; | |
| 72 byte buffer[buffer_size]; // NOLINT(runtime/arrays) | |
| 73 MacroAssembler masm(isolate, buffer, buffer_size, CodeObjectRequired::kYes); | |
| 74 DCHECK(!masm.has_frame()); | |
| 75 Builtins::Generate_Adaptor(&masm, builtin_address, exit_frame_type); | |
| 76 CodeDesc desc; | |
| 77 masm.GetCode(&desc); | |
| 78 Handle<Code> code = | |
| 79 isolate->factory()->NewCode(desc, flags, masm.CodeObject()); | |
| 80 PostBuildProfileAndTracing(isolate, *code, name); | |
| 81 return *code; | |
| 82 } | |
| 83 | |
| 84 // Builder for builtins implemented in TurboFan with JS linkage. | |
| 85 Code* BuildWithCodeStubAssemblerJS(Isolate* isolate, | |
| 86 CodeAssemblerGenerator generator, int argc, | |
| 87 Code::Flags flags, const char* name) { | |
| 88 HandleScope scope(isolate); | |
| 89 Zone zone(isolate->allocator(), ZONE_NAME); | |
| 90 const int argc_with_recv = | |
| 91 (argc == SharedFunctionInfo::kDontAdaptArgumentsSentinel) ? 0 : argc + 1; | |
| 92 compiler::CodeAssemblerState state(isolate, &zone, argc_with_recv, flags, | |
| 93 name); | |
| 94 generator(&state); | |
| 95 Handle<Code> code = compiler::CodeAssembler::GenerateCode(&state); | |
| 96 PostBuildProfileAndTracing(isolate, *code, name); | |
| 97 return *code; | |
| 98 } | |
| 99 | |
| 100 // Builder for builtins implemented in TurboFan with CallStub linkage. | |
| 101 Code* BuildWithCodeStubAssemblerCS(Isolate* isolate, | |
| 102 CodeAssemblerGenerator generator, | |
| 103 CallDescriptors::Key interface_descriptor, | |
| 104 Code::Flags flags, const char* name, | |
| 105 int result_size) { | |
| 106 HandleScope scope(isolate); | |
| 107 Zone zone(isolate->allocator(), ZONE_NAME); | |
| 108 // The interface descriptor with given key must be initialized at this point | |
| 109 // and this construction just queries the details from the descriptors table. | |
| 110 CallInterfaceDescriptor descriptor(isolate, interface_descriptor); | |
| 111 // Ensure descriptor is already initialized. | |
| 112 DCHECK_LE(0, descriptor.GetRegisterParameterCount()); | |
| 113 compiler::CodeAssemblerState state(isolate, &zone, descriptor, flags, name, | |
| 114 result_size); | |
| 115 generator(&state); | |
| 116 Handle<Code> code = compiler::CodeAssembler::GenerateCode(&state); | |
| 117 PostBuildProfileAndTracing(isolate, *code, name); | |
| 118 return *code; | |
| 119 } | |
| 120 } // anonymous namespace | |
| 121 | |
| 122 void Builtins::SetUp(Isolate* isolate, bool create_heap_objects) { | |
| 123 DCHECK(!initialized_); | |
| 124 | |
| 125 // Create a scope for the handles in the builtins. | |
| 126 HandleScope scope(isolate); | |
| 127 | |
| 128 if (create_heap_objects) { | |
| 129 int index = 0; | |
| 130 const Code::Flags kBuiltinFlags = Code::ComputeFlags(Code::BUILTIN); | |
| 131 Code* code; | |
| 132 #define BUILD_CPP(Name) \ | |
| 133 code = BuildAdaptor(isolate, FUNCTION_ADDR(Builtin_##Name), BUILTIN_EXIT, \ | |
| 134 kBuiltinFlags, #Name); \ | |
| 135 builtins_[index++] = code; | |
| 136 #define BUILD_API(Name) \ | |
| 137 code = BuildAdaptor(isolate, FUNCTION_ADDR(Builtin_##Name), EXIT, \ | |
| 138 kBuiltinFlags, #Name); \ | |
| 139 builtins_[index++] = code; | |
| 140 #define BUILD_TFJ(Name, Argc, ...) \ | |
| 141 code = BuildWithCodeStubAssemblerJS(isolate, &Generate_##Name, Argc, \ | |
| 142 kBuiltinFlags, #Name); \ | |
| 143 builtins_[index++] = code; | |
| 144 #define BUILD_TFS(Name, Kind, Extra, InterfaceDescriptor, result_size) \ | |
| 145 { InterfaceDescriptor##Descriptor descriptor(isolate); } \ | |
| 146 code = BuildWithCodeStubAssemblerCS( \ | |
| 147 isolate, &Generate_##Name, CallDescriptors::InterfaceDescriptor, \ | |
| 148 Code::ComputeFlags(Code::Kind, Extra), #Name, result_size); \ | |
| 149 builtins_[index++] = code; | |
| 150 #define BUILD_ASM(Name) \ | |
| 151 code = \ | |
| 152 BuildWithMacroAssembler(isolate, Generate_##Name, kBuiltinFlags, #Name); \ | |
| 153 builtins_[index++] = code; | |
| 154 #define BUILD_ASH(Name, Kind, Extra) \ | |
| 155 code = BuildWithMacroAssembler( \ | |
| 156 isolate, Generate_##Name, Code::ComputeFlags(Code::Kind, Extra), #Name); \ | |
| 157 builtins_[index++] = code; | |
| 158 | |
| 159 BUILTIN_LIST(BUILD_CPP, BUILD_API, BUILD_TFJ, BUILD_TFS, BUILD_ASM, | |
| 160 BUILD_ASH, BUILD_ASM); | |
| 161 | |
| 162 #undef BUILD_CPP | |
| 163 #undef BUILD_API | |
| 164 #undef BUILD_TFJ | |
| 165 #undef BUILD_TFS | |
| 166 #undef BUILD_ASM | |
| 167 #undef BUILD_ASH | |
| 168 CHECK_EQ(builtin_count, index); | |
| 169 for (int i = 0; i < builtin_count; i++) { | |
| 170 Code::cast(builtins_[i])->set_builtin_index(i); | |
| 171 } | |
| 172 | |
| 173 #define SET_PROMISE_REJECTION_PREDICTION(Name) \ | |
| 174 Code::cast(builtins_[k##Name])->set_is_promise_rejection(true); | |
| 175 | |
| 176 BUILTIN_PROMISE_REJECTION_PREDICTION_LIST(SET_PROMISE_REJECTION_PREDICTION) | |
| 177 #undef SET_PROMISE_REJECTION_PREDICTION | |
| 178 | |
| 179 #define SET_EXCEPTION_CAUGHT_PREDICTION(Name) \ | |
| 180 Code::cast(builtins_[k##Name])->set_is_exception_caught(true); | |
| 181 | |
| 182 BUILTIN_EXCEPTION_CAUGHT_PREDICTION_LIST(SET_EXCEPTION_CAUGHT_PREDICTION) | |
| 183 #undef SET_EXCEPTION_CAUGHT_PREDICTION | |
| 184 | |
| 185 #define SET_CODE_NON_TAGGED_PARAMS(Name) \ | |
| 186 Code::cast(builtins_[k##Name])->set_has_tagged_params(false); | |
| 187 BUILTINS_WITH_UNTAGGED_PARAMS(SET_CODE_NON_TAGGED_PARAMS) | |
| 188 #undef SET_CODE_NON_TAGGED_PARAMS | |
| 189 } | |
| 190 | |
| 191 // Mark as initialized. | |
| 192 initialized_ = true; | |
| 193 } | |
| 194 | |
| 195 void Builtins::TearDown() { initialized_ = false; } | 27 void Builtins::TearDown() { initialized_ = false; } |
| 196 | 28 |
| 197 void Builtins::IterateBuiltins(ObjectVisitor* v) { | 29 void Builtins::IterateBuiltins(ObjectVisitor* v) { |
| 198 v->VisitPointers(&builtins_[0], &builtins_[0] + builtin_count); | 30 v->VisitPointers(&builtins_[0], &builtins_[0] + builtin_count); |
| 199 } | 31 } |
| 200 | 32 |
| 201 const char* Builtins::Lookup(byte* pc) { | 33 const char* Builtins::Lookup(byte* pc) { |
| 202 // may be called during initialization (disassembler!) | 34 // may be called during initialization (disassembler!) |
| 203 if (initialized_) { | 35 if (initialized_) { |
| 204 for (int i = 0; i < builtin_count; i++) { | 36 for (int i = 0; i < builtin_count; i++) { |
| (...skipping 194 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 399 // TODO(jochen): Remove this. | 231 // TODO(jochen): Remove this. |
| 400 if (responsible_context.is_null()) { | 232 if (responsible_context.is_null()) { |
| 401 return true; | 233 return true; |
| 402 } | 234 } |
| 403 if (*responsible_context == target->context()) return true; | 235 if (*responsible_context == target->context()) return true; |
| 404 return isolate->MayAccess(responsible_context, target_global_proxy); | 236 return isolate->MayAccess(responsible_context, target_global_proxy); |
| 405 } | 237 } |
| 406 | 238 |
| 407 } // namespace internal | 239 } // namespace internal |
| 408 } // namespace v8 | 240 } // namespace v8 |
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