OLD | NEW |
---|---|
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 |
OLD | NEW |