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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/builtins/builtins-descriptors.h" | 8 #include "src/builtins/builtins-descriptors.h" |
9 #include "src/callable.h" | 9 #include "src/callable.h" |
10 #include "src/isolate.h" | 10 #include "src/isolate.h" |
11 #include "src/macro-assembler.h" | 11 #include "src/macro-assembler.h" |
12 #include "src/objects-inl.h" | 12 #include "src/objects-inl.h" |
13 #include "src/visitors.h" | 13 #include "src/visitors.h" |
14 | 14 |
15 namespace v8 { | 15 namespace v8 { |
16 namespace internal { | 16 namespace internal { |
17 | 17 |
18 // Forward declarations for C++ builtins. | 18 // Forward declarations for C++ builtins. |
19 #define FORWARD_DECLARE(Name) \ | 19 #define FORWARD_DECLARE(Name) \ |
20 Object* Builtin_##Name(int argc, Object** args, Isolate* isolate); | 20 Object* Builtin_##Name(int argc, Object** args, Isolate* isolate); |
21 BUILTIN_LIST_C(FORWARD_DECLARE) | 21 BUILTIN_LIST_C(FORWARD_DECLARE) |
22 | 22 |
23 Builtins::Builtins() : initialized_(false) { | 23 Builtins::Builtins() : initialized_(false) { |
24 memset(builtins_, 0, sizeof(builtins_[0]) * builtin_count); | 24 memset(builtins_, 0, sizeof(builtins_[0]) * builtin_count); |
25 } | 25 } |
26 | 26 |
27 Builtins::~Builtins() {} | 27 Builtins::~Builtins() {} |
28 | 28 |
29 BailoutId Builtins::GetContinuationBailoutId(Name name) { | |
30 switch (name) { | |
31 #define BAILOUT_ID(NAME, ...) \ | |
32 case k##NAME: \ | |
33 return BailoutId(BailoutId::kFirstBuiltinContinuationId + name); | |
34 BUILTIN_LIST_TFJ(BAILOUT_ID); | |
35 BUILTIN_LIST_TFC(BAILOUT_ID); | |
36 #undef BAILOUT_ID | |
37 default: | |
38 UNIMPLEMENTED(); | |
Michael Starzinger
2017/06/07 09:47:04
nit: s/UNIMPLEMENTED/UNREACHABLE/
danno
2017/06/22 14:43:54
Done.
| |
39 } | |
40 } | |
41 | |
42 Builtins::Name Builtins::GetBuiltinFromBailoutId(BailoutId id) { | |
43 switch (id.ToInt()) { | |
44 #define BAILOUT_ID(NAME, ...) \ | |
45 case BailoutId::kFirstBuiltinContinuationId + k##NAME: \ | |
46 return k##NAME; | |
47 BUILTIN_LIST_TFJ(BAILOUT_ID) | |
48 BUILTIN_LIST_TFC(BAILOUT_ID) | |
49 #undef BAILOUT_ID | |
50 default: | |
51 UNIMPLEMENTED(); | |
Michael Starzinger
2017/06/07 09:47:04
nit: s/UNIMPLEMENTED/UNREACHABLE/
danno
2017/06/22 14:43:54
Done.
| |
52 } | |
53 } | |
54 | |
29 void Builtins::TearDown() { initialized_ = false; } | 55 void Builtins::TearDown() { initialized_ = false; } |
30 | 56 |
31 void Builtins::IterateBuiltins(RootVisitor* v) { | 57 void Builtins::IterateBuiltins(RootVisitor* v) { |
32 v->VisitRootPointers(Root::kBuiltins, &builtins_[0], | 58 v->VisitRootPointers(Root::kBuiltins, &builtins_[0], |
33 &builtins_[0] + builtin_count); | 59 &builtins_[0] + builtin_count); |
34 } | 60 } |
35 | 61 |
36 const char* Builtins::Lookup(byte* pc) { | 62 const char* Builtins::Lookup(byte* pc) { |
37 // may be called during initialization (disassembler!) | 63 // may be called during initialization (disassembler!) |
38 if (initialized_) { | 64 if (initialized_) { |
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107 } | 133 } |
108 | 134 |
109 // static | 135 // static |
110 Callable Builtins::CallableFor(Isolate* isolate, Name name) { | 136 Callable Builtins::CallableFor(Isolate* isolate, Name name) { |
111 Handle<Code> code( | 137 Handle<Code> code( |
112 reinterpret_cast<Code**>(isolate->builtins()->builtin_address(name))); | 138 reinterpret_cast<Code**>(isolate->builtins()->builtin_address(name))); |
113 CallDescriptors::Key key; | 139 CallDescriptors::Key key; |
114 switch (name) { | 140 switch (name) { |
115 // This macro is deliberately crafted so as to emit very little code, | 141 // This macro is deliberately crafted so as to emit very little code, |
116 // in order to keep binary size of this function under control. | 142 // in order to keep binary size of this function under control. |
117 #define CASE(Name, ...) \ | 143 #define CASE_OTHER(Name, ...) \ |
118 case k##Name: { \ | 144 case k##Name: { \ |
119 key = Builtin_##Name##_InterfaceDescriptor::key(); \ | 145 key = Builtin_##Name##_InterfaceDescriptor::key(); \ |
120 break; \ | 146 break; \ |
121 } | 147 } |
122 BUILTIN_LIST(IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN, CASE, CASE, | 148 BUILTIN_LIST(IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN, CASE_OTHER, |
123 CASE, IGNORE_BUILTIN, IGNORE_BUILTIN) | 149 CASE_OTHER, CASE_OTHER, IGNORE_BUILTIN, IGNORE_BUILTIN) |
124 #undef CASE | 150 #undef CASE |
Michael Starzinger
2017/06/07 09:47:04
nit: s/CASE/CASE_OTHER/ in the #undef as well.
danno
2017/06/22 14:43:54
Done.
| |
125 case kConsoleAssert: { | 151 case kConsoleAssert: { |
126 return Callable(code, BuiltinDescriptor(isolate)); | 152 return Callable(code, BuiltinDescriptor(isolate)); |
127 } | 153 } |
154 case kArrayForEach: { | |
155 Handle<Code> code = isolate->builtins()->ArrayForEach(); | |
156 return Callable(code, BuiltinDescriptor(isolate)); | |
157 } | |
158 case kArrayForEachLoopEagerDeoptContinuation: { | |
159 Handle<Code> code = | |
160 isolate->builtins()->ArrayForEachLoopEagerDeoptContinuation(); | |
161 return Callable(code, BuiltinDescriptor(isolate)); | |
162 } | |
163 case kArrayForEachLoopLazyDeoptContinuation: { | |
164 Handle<Code> code = | |
165 isolate->builtins()->ArrayForEachLoopLazyDeoptContinuation(); | |
166 return Callable(code, BuiltinDescriptor(isolate)); | |
167 } | |
128 default: | 168 default: |
129 UNREACHABLE(); | 169 UNREACHABLE(); |
130 } | 170 } |
131 CallInterfaceDescriptor descriptor(isolate, key); | 171 CallInterfaceDescriptor descriptor(isolate, key); |
132 return Callable(code, descriptor); | 172 return Callable(code, descriptor); |
133 } | 173 } |
134 | 174 |
135 // static | 175 // static |
176 int Builtins::GetStackParameterCount(Isolate* isolate, Name name) { | |
177 switch (name) { | |
178 #define CASE(Name, Count, ...) \ | |
179 case k##Name: { \ | |
180 return Count; \ | |
181 } | |
182 BUILTIN_LIST_TFJ(CASE) | |
183 #undef CASE | |
184 default: | |
185 UNREACHABLE(); | |
186 return 0; | |
187 } | |
188 } | |
189 | |
190 // static | |
136 const char* Builtins::name(int index) { | 191 const char* Builtins::name(int index) { |
137 switch (index) { | 192 switch (index) { |
138 #define CASE(Name, ...) \ | 193 #define CASE(Name, ...) \ |
139 case k##Name: \ | 194 case k##Name: \ |
140 return #Name; | 195 return #Name; |
141 BUILTIN_LIST_ALL(CASE) | 196 BUILTIN_LIST_ALL(CASE) |
142 #undef CASE | 197 #undef CASE |
143 default: | 198 default: |
144 UNREACHABLE(); | 199 UNREACHABLE(); |
145 break; | 200 break; |
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240 // TODO(jochen): Remove this. | 295 // TODO(jochen): Remove this. |
241 if (responsible_context.is_null()) { | 296 if (responsible_context.is_null()) { |
242 return true; | 297 return true; |
243 } | 298 } |
244 if (*responsible_context == target->context()) return true; | 299 if (*responsible_context == target->context()) return true; |
245 return isolate->MayAccess(responsible_context, target_global_proxy); | 300 return isolate->MayAccess(responsible_context, target_global_proxy); |
246 } | 301 } |
247 | 302 |
248 } // namespace internal | 303 } // namespace internal |
249 } // namespace v8 | 304 } // namespace v8 |
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